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Assembly or disassembly of messages having address headers

Subclass of:

370 - Multiplex communications

370464000 - COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS

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DocumentTitleDate
20130044767ROBUST COMMUNICATION PROTOCOL FOR HOME NETWORKS - A method and apparatus for sending messages from a first network device to a second network device is described. In one embodiment, the method comprises constructing a data packet, the data packet comprising a House Code field for identifying a house code relating to the first and second network devices, the house code for identifying an address common to the first network device and the second network device. The data packet further comprises a Long/Short field for indicating whether the data packet is a long data packet or a short data packet and a Command field comprising a command, the command for instructing the second network device to perform an action. The data packet further comprises a Data field comprising information for use by the second network device to execute the action associated with the command, and an Error Check field comprising error checking information. The data packet is then modulated and transmitting over one or more communication channels.02-21-2013
20130028270AGGREGATING NETWORK PACKETS FOR TRANSMISSION TO A DESTINATION NODE - A node for transmitting digital data over a network receives a plurality of packet data units and identifies at least two of the packet data units that have the same aggregation identifier. The node then forms an aggregate packet from the packet data units that have the same aggregation identifier and transmits the aggregate packet to a common destination node or nodes.01-31-2013
20130028269DTV systems employing parallel concatenated coding in COFDM transmissions for iterative diversity reception - A digital television (DTV) system uses parallel concatenated coding (PCC), together with QAM constellations for modulating OFDM carriers. A first encoder responds to bits of randomized data to generate a first component of parallel concatenated coding. A second encoder responds to delayed bits of the randomized data to generate a second component of parallel concatenated coding. A constellation mapper generates QAM symbols responsive to successive time-slices of the first component of the PCC interleaved with successive time-slices of the second component of the PCC. An OFDM modulator generates a COFDM modulating signal responsive to the QAM symbols. In a receiver for the DTV system, the second component of the PCC and delayed first component of the PCC are iteratively decoded. Corresponding soft bits from the second component and delayed first component of the PCC are combined to supply soft randomized data used in that iterative decoding.01-31-2013
20100142557RICH MEDIA STREAM MANAGEMENT - A secondary stream of rich media packets defining scene states of a sub-portion of a scene representable by a primary stream or rich media packets. Local random access data defining instructions for enabling creation, when being processed, of a starting state of the scene sub-portion without affecting the scene state of scene portions is provided. The local random access data is packed into at least one rich media packet, which is inserted into the secondary stream and transmitted to at least one user terminal. The local random access data can be used by terminals for tuning-in to the secondary stream and/or for error recovery relating to the secondary stream.06-10-2010
20100142558Method of processing traffic information and digital broadcast system - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change.06-10-2010
20110032950MULTI-RATE TRANSPARENT MUX FOR OPTICAL COMMUNICATIONS NETWORKS - Bit-transparent muxing of an input signal for transport through an optical communications network. A fixed length container of the optical communications network is defined, which includes an overhead and a payload. A stuffing ratio (α) is based based on a line rate of the input signal and a data rate of the container. A number (N02-10-2011
20090196309COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD AND PROGRAM - A communication apparatus includes a physical layer to perform signal transmission/reception with another communication end, and a protocol conversion section (PCL) to connect an upper level user application and the physical layer. The protocol conversion section includes a parameter extraction section to extract a prescribed parameter from communication start request data (CBW) transmitted from the user application, and a header addition section to add a header containing the extracted parameter to transmission data transmitted from the user application, and the physical layer transmits the transmission data with the header.08-06-2009
20110194570METHODS AND APPARATUS FOR PROVIDING LINEAR ERASURE CODES - Methods and apparatus for providing linear erasure codes. In one aspect, a method is provided for encoding a set of data values into a code symbol. The method includes determining an index sequence that defines selected data values to be used to generate the code symbol, and determining a value sequence that defines factors to be multiplied by the selected data values to generate the code symbol. The method also includes generating a packet header that describes the index sequence and the value sequence.08-11-2011
20100118893REDUCING OVERHEADS OF A PROTOCOL DATA UNIT IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to transmitting data units of a radio protocol layer, wherein one logical channel identifier is added to one or more data units belonging to one logical channel. Because only one logical channel identifier is added to the data units belonging to one logical channel in constructing a MAC-e PDU, overheads of the MAC-e PDU are reduced. Such reduction of the PDU overheads increases data throughput, which is advantageous for a high-speed data communication system, such as the HSUPA.05-13-2010
20120183003APPARATUS AND METHOD FOR PROVIDING COMPATIBILITY OF TRANSMISSION SIGNAL IN COMMUNICATION SYSTEM - Method and apparatus for transmitting and receiving a signal in a broadcasting communication system are provided. Data of an input stream is divided for transmission through a frame. A header that includes information about the input stream is constructed. The frame is constructed using the header and the divided data.07-19-2012
20130077641Systems, Circuits and Methods for Time Stamp Based One-Way Communications - A circuit includes an input terminal for receiving an input signal and a time stamp circuit including an input and an output. The input is coupled to the input terminal. The time stamp circuit includes a timer, and the output is for providing a time stamp based on a value of the timer in response to receiving the input signal. The circuit further includes an encoder including an input coupled to the output of the time stamp circuit and configured to encode the time stamp into a packet. The circuit also includes a transmitter configured to transmit the packet.03-28-2013
20100046552TIME-STAMPING APPARATUS AND METHOD FOR RTP PACKETIZATION OF SVC CODED VIDEO, AND RTP PACKETIZATION SYSTEM USING THE SAME - Provided are a time-stamping apparatus and method for RTP packetization of a SVC coded video, and a RTP packetization system using the same. The time stamping apparatus includes: a NAL unit classifier for checking a header of an input NAL unit and classifying the input NAL units based on a picture property; a first timestamp calculator for calculating a RTP timestamp value for a NAL unit classified as a key picture by the NAL unit classifier; a second timestamp calculator for calculating a RTP timestamp value for a NAL unit classified as a non-key picture by the NAL unit classifier; and a controller for setting a RTP timestamp value for an instantaneous decoding refresh (IDR) picture and controlling the first and second timestamp calculators for calculating a RTP timestamp value of a corresponding NAL unit.02-25-2010
20100046556Priority Aware MAC Flow Control - Solutions are provided that allow a network device to apply flow control on the MAC layer while taking into account the priority of the frame of traffic. This may be accomplished by generating a frame indicating that traffic flow should be paused, while utilizing a new opcode value, or alternatively by utilizing a new type/length value (possibly combined with a new opcode value). A receiving device may then examine the fields of the frame to determine whether it should it should use priority-based pausing, and then examine other fields to determine which priority-levels to pause and for how long. This allows for improved efficiency in flow control on the MAC layer.02-25-2010
20100046555METHOD AND APPARATUS FOR INFORMATION DISSEMINATION - A system and method for transmitting information to a group of recipient devices [02-25-2010
20100046554COMBINING MATERIAL AND DATA - A method of generating a file at a header metadata creator apparatus, the method including: generating, at the header metadata creator apparatus, a file, the file including: a file header, a file body, and a file footer, wherein the file header includes at least KLV encoded header metadata, the KLV encoded header metadata including at least a universal label, length data and variable length data, the variable length data including a plurality of KLV encoded metadata sets, each one of the KLV encoded metadata sets includes a predetermined universal label, essence length data and a plurality of KLV encoded metadata items, and each KLV encoded metadata item includes at least an item universal label, variable item length data and item value data.02-25-2010
20100046553DATA PACKET GENERATOR FOR GENERATING PASSCODES - A data packet generator periodically generates a data packet including a passcode comprising a plurality of characters. The data packet is sent to a server or a computing device for validation. If validated, the data packet is used, for example, to identify the location of a user or device. Additional systems and methods involving such a data packet generator are also disclosed.02-25-2010
20100046550CONTEXT BASED HEADER SELECTION IN A MULTI-FLOW PACKET APPLICATION02-25-2010
20100046549Channel Bonding and Packet Fragment Retransmission Method and Apparatus - According to one embodiment, a physical line receiver is coupled to at least one of a plurality of bonded communication lines over which a sequence of packet fragments are transmitted as data units. The physical line receiver includes at least one physical sublayer that transfers packet fragments recovered from different ones of the data units received by the physical line receiver to a bonding sublayer for packet reassembly until the physical line receiver is instructed to stop transferring packet fragments because of a transmission error on one or more of the bonded communication lines coupled to a different physical line receiver. The at least one physical sublayer also buffers the recovered packet fragments without transferring the buffered packet fragments to the bonding sublayer until the physical line receiver is instructed to resume transferring packet fragments to the bonding sublayer.02-25-2010
20100046551TRANSMISSION OF A TRIBUTARY IN SYNCHRONOUS MODE AT THE LEVEL OF A LINK OF A DATA NETWORK - The invention relates to a method of transmitting at least one tributary in synchronous mode at the level of a link of a data network, said tributary comprising at least one frame in the SDH or SONET format, said frame comprising at least one payload envelope area and one transport overhead area, said payload envelope area comprising at least one payload and load supervision data related to the payload, said transport overhead area comprising at least transport supervision data related to transport and an area of fixed patterns comprising fixed patterns, said method comprising steps of:—modifying said frame so as to generate a modified frame; transmitting said modified frame, the modification comprising steps in which:—part of said fixed patterns are deleted from said fixed pattern area; the positions of said part of the fixed patterns deleted are recorded; replacement data are inserted at the level of said positions, the method being characterized in that said replacement data comprise the transport supervision data of the frame of said tributary.02-25-2010
20100046547METHOD AND APPARATUS FOR FRAME CONTROL HEADER DECODING - A method and apparatus for decoding a frame control header message in a wireless communication transmission are disclosed. The method comprises assuming at least some of the bits comprising the frame control header message are constant across multiple frames or are known a priori and generating metrics at least from the bits of the frame control header message that are assumed to be constant or are known a priori. The method further comprises decoding the metrics, for example, with a Viterbi decoder or using chase combining, to yield the decode frame control header message.02-25-2010
20100046548MULTI-PURPOSE PDU CONTAINER FOR DELINEATING PDU DATAGRAMS AND PDU DATAGRAM ATTRIBUTES IN AN 8B/10B CODED SYSTEM - A method of reducing overhead for datagrams that are transmitted to or received from a serial link that reduces overhead to no more than four bytes. The datagram includes at least a Protocol Data Unit (PDU) field, a Start-of-PDU Header (SPH) field, and a SPH Control (SCH) field. The SPH and SCH fields consist of two bytes. The datagram may additionally include End-of-PDU Header (EPH) and EPH Control (ECH) fields. A method may also involve substitution of flags for subsequent headers that are identical to previous headers.02-25-2010
20090252181DISCOVERY FOR FIBRE CHANNEL OVER ETHERNET DEVICES - Techniques are provided for performing discovery in a Fibre Channel over Ethernet (FCoE) network. An FCoE Node (ENode) discovers the FCoE Forwarders (FCFs) connected to its network segment by transmitting a solicitation message to the multicast MAC address “All-FCF-MACs”. All FCFs receive packets with this multicast MAC address including the solicitation message that announces the presence of the ENode. Each FCF replies with a unicast advertisement message that provides the ENode with a MAC address of the responding FCF. The ENode builds a list of the FCFs available on its network segment and may then establish a virtual link with one or more of the FCFs through a Fabric Login (FLOGI) exchange.10-08-2009
20100111110METHOD AND APPARATUS FOR GENERATING PDU AND BASE STATION THEREOF - Disclosed is a method and apparatus for generating a PDU and a base station thereof. The method for generating a PDU includes: segmenting an input SDU into at least one segmentation in such a manner that the at least one segmentation is distributed in at least one PDU; and setting an offset field and at least one length indicator field in a header of each PDU, wherein the offset field indicates an offset of a first segmentation of a first new SDU appearing in the PDU, and the length indicator field indicates the end of the new SDU or the segmentation of the new to SDU in the PDU. With the present invention, since a single SDU is indicated only using one LI even if it is segmented into a plurality of segmentations, and the LI indicates the end of SDU in one PDU, it is ensured that an eNB in the SFN can recover packets in case of multiple packets loss while avoiding de-synchronization during the contents transmission.05-06-2010
20100040086RADIO COMMUNICATION APPARATUS AND COMMUNICATION METHOD - In a radio communication apparatus for forming a frame with a plurality of slots, and inserting a guard interval into each slot along with data for a mobile station to perform communication, a receive state acquisition section acquires a receive state of each mobile station, a frame format decision section decides a frame format of which guard interval length is different for each slot based on the receive state of each mobile station, a slot assignment section assigns each slot of the frame format to data for each mobile station, and a frame format reporting section reports the decided frame format to the mobile stations via a reporting channel. The mobile station identifies the GI length based on the reported frame format and the slot number, removes the guard interval, and performs processing.02-18-2010
20100040085Generic Packet Generator and Method - There are disclosed a computing device, storage medium, and method for generating packets. The computing device may include a memory divided into a kernel space and a user space and a processor coupled to the memory. The processor may execute an application program operative in the user space and a generic packet generator operative in the kernel space. The application program may cause the computing device to generate a first stream definition including a first background data template and one or more first user defined fields. The generic packet generator may cause the computing device to generate a first plurality of transmission-ready packets, wherein each packet of the first plurality of transmission-ready packets comprises the first background data template overlaid by the one or more first user defined fields.02-18-2010
20100040084SYSTEM AND METHOD FOR EFFICIENT TRANSMISSION OF MULTIMEDIA AND DATA - A system and method for efficient transmission of different types of source data in the same packet, hence, enabling efficient transmission of multimedia and data content with unequal error protection are provided. The present disclosure defines a packet structure where the packet consists of a number of segments or payloads. The packet includes a field indicative of a number of payloads included in the packet; and at least one data field for each payload in the packet, the at least one data field defining at least one characteristic of the payload. The at least one data field includes a length of the payload, modulation and coding scheme, existence of a frame check sum (FCS), and existence of a midamble. The at least one data field may further include a continuation element indicative of whether two consecutive payloads are portions of a same data frame.02-18-2010
20100040083Time stamp adding device, time stamp adding method, and time stamp adding program - A time stamp adding device includes: PCR_PID detecting means for detecting a PCR_PID included in a PMT by searching TS packets included in a TS from the head of the TS including TS packets having no time stamp, input from the outside and transmitted in a MPEG2-TS format and analyzing the resulting PMT; PCR detecting means for detecting values of PCRs included between the head of the TS and the PMT and position information of the PCRs and detecting values of all PCRs in the TS packets between the PMT and the tail of the TS and position information of the PCRs in the TS; time interval calculating means for calculating a time interval for adding a time stamp and a value of the time stamp based on the PCR values; and time stamp adding means for adding the time stamps to the TS packets having no time stamp based on the time interval.02-18-2010
20130051405DIGITAL BROADCAST TRANSMITTER, DIGITAL BROADCAST RECEIVER, AND METHOD FOR CONFIGURING AND PROCESSING STREAMS THEREOF - Provided are a digital broadcast transmitter, a digital broadcast receiver, a method for processing a stream of the transmitter, and a method for processing a stream of the receiver. The method of processing the stream of the transmitter includes: arranging second mobile data according to a predetermined mode within a stream that includes a first region allocated for first mobile data and a second region allocated for normal data; configuring the stream in which the normal data and the second mobile data are arranged; and encoding and interleaving the stream to output the stream as a transport stream.02-28-2013
20090252182DETERMINATIVE SEGMENTATION RESEGMENTATION AND PADDING IN RADIO LINK CONTROL (RLC) SERVICE DATA UNITS (SDU) - A transmission entity (e.g., user equipment (UE)) is expected to reduce the segmentation of Radio Link Control (RLC) Service Data Units (SDUs) while also minimizing padding. Signaling or provisioning of a constraint value such as a maximum padding amount or minimum segmentation size is employed in a determinative way in the UE to balance these objectives. A receiving entity (e.g., evolved base node (eNB)) benefits from being able to signal these parameters, whose application to RLC instances can discriminate between data and signaling radio bearers. Compliance can also be voluntary, such as the network entity employing at least a portion of the same approach on the downlink.10-08-2009
20090304029VIRTUAL MEMORY PROTOCOL SEGMENTATION OFFLOADING - Methods and systems for a more efficient transmission of network traffic are provided. According to one embodiment, a method is provided for performing segmentation offloading, such as TCP segmentation offloading (TSO). An interface performs direct virtual memory addressing of a user memory space of a system memory on behalf of a network processor to fetch payload data originated by a user process running on a host processor. Then, the network processor segments the payload data across one or more packets.12-10-2009
20090304028DATA PACKET STRUCTURE AND PROTOCOL - A dynamically generated data structure is provided for preparing packets for delivery to a far-host. The data structure includes up to three layers of information pertaining to the application generating the packet, and the transport protocol requested. The data structure will allow the packet to be sent via different networks and corresponding protocols depending on the availability of same.12-10-2009
20120219017Efficient Physical Layer Preamble Format - A transmitter device includes a controller configured to generate a first field and a second field. The first field is at least one of a packet synchronization information field or a frame boundary indication field, the second field is a channel estimation field starting after the first field ends. The controller is configured to generate the second field at least in part by generating a first channel estimation sequence (CES) symbol and a second CES symbol. At least one of i) a sequence in the first field serves as a cyclic prefix of the first CES symbol, ii) a beginning portion of the second CES symbol serves as a cyclic postfix of the first CES symbol, or iii) an ending portion of the first CES symbol serves as a cyclic prefix of the second CES symbol.08-30-2012
20090092153Downstream Synchronous Multichannels for a Communications Management System - Downstream synchronous multichannel (DSSM) communications are provided among a plurality of carriers, each being a completely DOCSIS™ 2.0-compliant downstream. The synchronous multichannels support communications with both DSSM-capable communications nodes and non-DSSM-capable communications nodes (e.g., legacy cable modems). Non-DSSM packets are transmitted on a single channel. DSSM packets are split into multiple pieces, which are transmitted simultaneously on all available channels. Since the physical delay variation (e.g., group delay change) across the adjacent carriers is small (on the order of a symbol time), the multiple pieces arrive at the receiving communications nodes at nearly the same time and can be reassembled with minimal buffering and no packet ordering problems. To avoid causing trouble for the non-DSSM-capable communications nodes, the packet pieces are encapsulated with a header that causes the non-DSSM-capable communications nodes to silently discard them.04-09-2009
20130070789INFORMATION PROCESSING APPARATUS, COMMUNICATION METHOD AND STORAGE MEDIUM - There is provided an information processing apparatus including a plurality of communication units connected to one another in a ring shape by a bus, each of the plurality of communication units being connected to one of processing units, each of which executes a predetermined process, and transmitting data processed by the one of the processing units to the bus as a packet, the information processing apparatus transferring data between the processing units and processing the data in a predetermined order. Among the plurality of communication units, in at least one communication unit, a packet including a value indicative of suspension of the process is generated when the connected processing unit has suspended a process, and information showing whether or not the generation unit has generated the packet including the value indicative of suspension of the process is stored.03-21-2013
20130070790SUPERFRAME FORMAT FOR MV-LV COMMUNICATION IN MULTI TONE-MASK PLC NETWORKS - A method for multi-tone mask communication including generating, by a power line communication router, a superframe to include a plurality of beacons corresponding to a plurality of tone masks. Each beacon also defining a plurality of tone masks, a contention access region, a contention free period, an inter router communication slot. The superframe also includes at least one of the beacons also defining an idle time during which nodes receiving the superframe are to transition to a low power mode. Transmitting the superframe to a power line communication node.03-21-2013
20130058360METHOD OF GENERATING AND RECEIVING PACKETS IN LOW ENERGY CRITICAL INFRASTRUCTURE MONITORING SYSTEM - A method of generating a packet for low energy critical infrastructure monitoring (LECIM) wireless communication is provided. The method includes steps of generating a first bit string by multiplexing a physical layer header (PHR) bit and a physical layer service data unit (PSDU) bit; convolution encoding the first bit string; interleaving the convolution-encoded first bit string; generating a second bit string by multiplexing the interleaved first bit string with a synchronization header (SHR) bit; and modulating the second bit string with a frequency shift keying (FSK) method and a position-based FSK method.03-07-2013
20110013648DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting system and a method of processing data are disclosed. The method of processing data of a transmitting system includes generating signaling information including service-related transmission parameters of mobile service data, packetizing the generated signaling information to a predetermined data packet format, primarily multiplexing the packetized signaling information and a mobile service data packet including the mobile service data, and secondarily multiplexing the primarily multiplexed data packets and a main service data packet including main service data, thereby transmitting the secondarily multiplexed data packets to at least one transmitter located in a remote site.01-20-2011
20090296738Method and apparatus for frame relay - In a frame relay apparatus or a frame relay method, in order to be able to transfer data between channels having different maximum transfer units, payloads are fragmentized or combined and assembled into a frame, in response to the maximum transfer units of the channels. Fragmentized payloads are associated with the original data. By doing so, especially the number of frames in a channel with a large maximum transfer unit is controlled, and the transfer efficiency of frames of the entire network may be improved.12-03-2009
20120224592DISTRIBUTION AND RECEPTION METHOD AND DEVICE FOR A MULTIPLEXED MULTIMEDIA STREAM WITH SELECTION OF ELEMENTARY PACKETS OF THE STREAM - The invention relates to a distribution method for a multimedia stream multiplexed via a network, the multiplexed multimedia stream comprising multimedia and signalling components, the components being divided into elementary packets of the multiplexed multimedia stream transmitted on at least one transport channel of the network. This method comprises a step of selection of elementary packets of the multiplexed multimedia stream incorporated in transport packets, wherein each of the elementary packets of the signalling components are incorporated in transport packets transmitted on a first of the at least one transport channel, and wherein others transport packets comprising at least one elementary packet and a part only of the multimedia components, are transmitted on a transport channel. This method further comprises a step of transmission of transport packets on each of the transport channels, comprising a step of definition of a first sequence number for each of the transport packets of each of the transport channels and a second sequence number for each of the elementary packets, the first sequence number being incremented for each of the transport packets, independently on each of the transport channels, the second sequence number being incremented for each of the elementary packets.09-06-2012
20090262756COMMUNICATION APPARATUS - A communication apparatus according to the invention can be applied to constitute each of relay nodes in a novel wireless communication network, in which the number of relaying stages formed with the relay nodes can be freely set without restriction by the amount of communication information to be processed, and consequently, a multistage-relayed communication extending over a long distance can be carried out to realize a long-distance communication. The communication apparatus comprises temporary and main managing portions 10-22-2009
20090010280TRANSPARENT SUB-WAVELENGTH NETWORK - An arrangement that allows transmission of client signals with higher clock fidelity is achieved by developing a phase offset measure at an ingress node, communicating it to the egress node, and recovering the client's clock from the received data and from the received phase-offset information. The ability to recover the client's clock with high fidelity is enhanced by adaptive pointer processing in intermediate nodes and the egress node of the network that the client's signal traverses. The adaptive pointer processing filters incoming pointers from upstream nodes and injects new positive and negative pointer justifications in excess of what is minimally necessary to allow them to be filtered by successive nodes and insure proper transmission over a network that employs a protocol involving framing layer frames embedded in communication layer frames. Illustratively, the network protocol is an extended ITU Recommendation G.709 Digital Wrapper protocol, arranged to employ frames of 15240 columns by four rows.01-08-2009
20090207857USER-SPECIFIED KEY CREATION FROM ATTRIBUTES INDEPENDENT OF ENCAPSULATION TYPE - An integrated circuit has a hardware decoder that parses a frame to identify a type of encapsulation, such as Ethernet v2 encapsulation or 802.3 with or without one or more VLAN tags. The integrated circuit also has a number of hardware parsers, each parser being coupled to the decoder by an enable line. During packet processing, one of the parsers is enabled by the decoder, based on the value which identifies the encapsulation type. The enabled parser retrieves one or more attributes from the frame, depending on the encapsulation. The integrated circuit also has a register, coupled to each parser. The register holds the attributes retrieved by the parser. The integrated circuit also has a key generation hardware which creates a key, by concatenating from the attributes register, certain attributes that are pre-selected by a user for forming the key. The integrated circuit supplies the key to a memory (which may be either in the integrated circuit i.e. on-chip or outside the integrated circuit i.e. off-chip) to look up a set of user-specified actions to be performed on data in the frame. The actions may be specified by the user in the form of instructions to a processor.08-20-2009
20120113993BACKWARD LOOKING ROBUST HEADER COMPRESSION RECEIVER - Robust Header Compression (ROHC) offers a way to compress packet header information for more efficient transmission of data. The compression is achieved through various confidence modes set up by the transmitter and the receiver. The Initialization and Refresh state (IR) is the first state of the compressor. This provides a complete, uncompressed context of the data that is being transmitted. In typically operation, the ROHC compressor will periodically transmit IR packets providing context information allowing the ROHC decompressor to decompress one or more packets following the IR packet. However, under certain conditions such as decompressor start-up, it is possible for the decompressor to miss an IR packet. Exemplary methods and apparatus are described in which a decompressor uses a later-received IR packet to decompress earlier packets for which the decompressor had not received context information.05-10-2012
20100085986SYSTEMS, PROCESSES AND INTEGRATED CIRCUITS FOR RATE AND/OR DIVERSITY ADAPTATION FOR PACKET COMMUNICATIONS - A media over packet networking appliance provides a network interface, a voice transducer, and at least one integrated circuit assembly coupling the voice transducer to the network interface. The at least one integrated circuit assembly provides media over packet transmissions and holds bits defining reconstruction of a packet stream having a primary stage and a secondary stage. The secondary stage has one or more of linear predictive coding parameters, long term prediction lags, parity check, and adaptive and fixed codebook gains. The packet stream has an instance of single packet loss, and the reconstruction includes receiving a packet sequence represented by P(n)P(n−1)′, [Lost Packet], P(n+2)P(n+1)′, and P(n+3)P(n+2)′, obtaining as information from the secondary stage one or more of the linear predictive coding parameters, long term prediction lags, parity check, and adaptive and fixed codebook gains, and performing an excitation reconstruction utilizing said packet sequence thus received.04-08-2010
20080310450Method of Passing a Constant Bit Rate Digital Signal Through an Ethernet Interface and System for Carrying Out the Method - System and method for passing a constant bit rate signal through an Ethernet interface (TX, RX) wherein an original clock rate (12-18-2008
20120236879COEXISTENCE IN COMMUNICATION SYSTEM - Representative implementations of devices and techniques provide communication between networked nodes operating on a communication network medium. In an implementation, a node generates a broadcast frame that includes at least a preamble, a header, and a payload. The preamble and header are generated according to a first protocol type and the payload is generated according to a second protocol type.09-20-2012
20120236878Packet Network Interface Apparatus and Method - A packet network interface apparatus includes a media access control (MAC) module for constructing a packet for transmission over a packet network and a physical coding sublayer (PCS) module for encoding the packet for transmission over a physical interface. An inter packet gap module located between the MAC module and the PCS module directly transfers data to the PCS module while maintaining a certain inter packet gap by deleting or inserting idle characters. The inter packet gap module has at least one memory module for temporary storage of packet data. The modules preferably operate in a common time domain.09-20-2012
20110032951MERGING MULTIPLE NETWORK DATA FLOWS - The disclosure presents techniques for merging multiple data flows in a network such as a Passive Optical Network (PON). The PON comprises an interface module and network nodes connected to the interface module via an optical fiber link. Each network node further serves client devices. The client devices request multiple data flows, requiring the interface module to serve multiple data flows to a network node for delivery to the devices. The interface module merges received data flows to permit multiple flows to be processed by a single segmentation and reassembly (SAR) engine, reducing hardware cost and complexity within the node. However, subunits associated with different data flows within a merged data flow are not interleaved with one another. Instead, the subunits associated with an original unit of information are transmitted contiguously within the merged data flow, facilitating identification and reassembly of the subunits for a particular microflow.02-10-2011
20120128011METHOD ON A NETWORK ELEMENT FOR THE PURPOSE OF SYNCHRONIZATION OF CLOCKS IN A NETWORK - It is described a method on a network element with one or more communication ports for transmitting and receiving data packets to and from other network elements in a network for the purpose of synchronization of clocks in a network, said network element comprising a time synchronization module, a time synchronization module clock and a database.05-24-2012
20120219015REGISTER SYSTEM AND METHOD FOR UTILIZING A REGISTER UNIT - A register system includes a register unit and a control unit. The register unit is utilized for storing a first data packet, wherein the register unit has an end flag. The control unit is coupled to the register unit, for indicating a designated information and an end position of the first data packet by using the end flag.08-30-2012
20110280260BROADCASTING RECEIVER AND BROADCAST SIGNAL PROCESSING METHOD - A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data.11-17-2011
20090207858Transmission method and reception method - The invention relates to a transmission method in which at least two Ethernet data frames are combined to form one Ethernet telegram and the Ethernet telegram is transmitted via a communications network.08-20-2009
20090207860METHOD, APPARATUS AND SYSTEM FOR TRANSFERRING DATA - A method for transferring data includes: at the transmit end of data frames, assembling the data frames with a same forward-path into a multiframe as sub-frames; identifying the relevant information of the sub-frames in the header of the multiframe; and encapsulating the multiframe as the payload in the format of frames for transmission in the transport network. An apparatus for transferring data includes: a decapsulation unit, adapted to decapsulate the frames received from the transport network to obtain the multiframe; a multiframe resolving unit, adapted to resolve multiple sub-frames according to the relevant information of the sub-frames that is identified in the header of the multiframe; and a forwarding unit, adapted to send the sub-frames to a customer network according to the forward-paths of the sub-frames. The present invention may reduce the workload of the forwarding equipment in processing data frames, speed up the processing and forwarding of data frames, and improve the network transmission efficiency.08-20-2009
20090086760SYSTEM AND METHOD FOR PROVIDING STATUS REPORTS OF TRANSMITTED DATA PACKETS IN A DATA COMMUNICATIONS SYSTEM - A digital communications system for delivering data blocks includes at least one transmit/receive unit (TRU). The TRU includes a storage element for receiving transmit data packets and retransmit data packets from a sending unit and a processing element communicatively coupled to the storage element. The processing element is configured for recognizing a failure to receive at least one other transmit data packet (missing data packet) from the sending unit, and for configuring a status control packet for transmission to the sending unit, the control packet includes a header including a next packet identifier for a next data packet anticipated to be received and a status payload portion including a missing packet identifier including the transmit packet identifier for the missing data packet. In the system, the retransmit data packet includes at least a segment of the data payload in the missing data packet associated with the missing packet identifier.04-02-2009
20110200057Virtual Memory Protocol Segmentation Offloading - Methods and systems for a more efficient transmission of network traffic are provided. According to one embodiment, a method is provided for performing transport layer protocol segmentation offloading. Multiple buffer descriptors are stored in a system memory of a network device. The buffer descriptors contain information indicative of a starting address of a payload buffer stored in a user memory space of the system memory. The payload buffers contain payload data originated by a user process running on a host processor of the network device. The payload data is retrieved from the payload buffers on behalf of a network processor of the network device without copying the payload data from the user memory space to a kernel memory space of the system memory by performing direct virtual memory addressing of the user memory space. Finally, the payload data is segmented across one or more transport layer protocol packets.08-18-2011
20090034557METHOD AND SYSTEM FOR DYNAMIC SECURED GROUP COMMUNICATION - A system and method directed to carrying out dynamic secured group communication is provided. The method includes obtaining a first packet that includes a first header. The first header includes a first source address of a first source node of a first network, and a first destination address of a first destination node of the first network. The method also includes forming a frame that includes the first header in encrypted form, combining the first header and the frame to form a second packet, and forming a second header. This second header includes a second source address of a second source node of a second network, and a second destination address of a second destination node of the second network. The method further includes encapsulating the second packet with the second header to form a third packet, and communicating the third packet into the second network from the second source node for termination to the second-destination node.02-05-2009
20100118891PACKET ASSEMBLY IN A COMMUNICATION NETWORK SUPPORTING VIRTUAL NETWORKS - In a first node, through which optical packets are able to input to the communication network, optical packets coming from the virtual network are assembled in packet field. The first node constructs a burst comprising the packet field and a label preceding the packet field and including helping to identify the virtual network and second information helping to identify a path between said first node and a second node through which the packets are able to output from the communication network. Each packet in the packet field can be preceded by an identifier identifying an interface through which the packet outputs from the communication network, and derived from a destination address in the packet.05-13-2010
20100014542NETWORK PROCESSING APPARATUS AND PROCESSING METHOD THEREOF - A network processing apparatus that receives a fragmented IP datagram to perform reassembling process of the received fragmented IP datagram. Information is held regarding the received IP datagram in which the reassembling process is terminated. Upon performing the reassembling process, in a case where an IP datagram specified by the held information is received, the reassembling process of the IP datagram is not performed.01-21-2010
20100265967PACKET FRAGMENT HANDLING - A packet header processing engine includes a packet processing unit that is configured to generate the packet header information based on the packet header data. A checksum generating unit is connected to the packet processing unit. The checksum generating unit is configured to compute and store a partial checksum for a packet header being processed by the packet processing unit. After all packet header information for a packet is stored in the buffer, the checksum generating unit contains a complete checksum for the packet header.10-21-2010
20110261841TRANSMISSION DEVICE AND METHOD USING SPACE-FREQUENCY TRANSMISSION DIVERSITY - The present invention relates to a transmission device and method using space-frequency transmission diversity in a communications system. The transmission device and method using space-frequency transmission diversity according to the present invention is characterised in that data or signals are grouped into 2 or more groups which are then transmitted through different transmission antennae by using different sub-carriers.10-27-2011
20100111109METHOD AND SYSTEM FOR SYNCHRONIZED MAPPING OF DATA PACKETS IN AN ATSC DATA STREAM - Mapping data packets of a first data stream into data fields of a second data stream at several transmitters is provided by generating a first data stream with first data packets containing data associated with stationary receivers and second data packets containing data associated with mobile receivers in a head-end, where second data packets at the start of a group of consecutively transmitted second data packets contain placeholders into which signaling information is filled. A first data stream is transmitted from the head-end to each transmitter. Each transmitter extracts signaling information from the second data packets indicating in which data slot and in which data sub-frame of a received data frame the second data packet is transferred. Each transmitter inserts synchronization data in a specific data packet in each data slot containing second data packets. The first and second data packets are mapped consecutively into the second data stream.05-06-2010
20100074277COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND COMMUNICATION CONTROL PROGRAM - A generation device generates a frame to be transmitted to a destination communication apparatus. The frame includes a first separation field, a first MAC protocol data unit (MPDU) following the first separation field, a second separation field following the first MPDU, a third separation field following the second separation field, and a third MPDU following the third separation field. The second separation field includes length information set to a value of zero to indicate no second MPDU directly follows the second separation field. The first MPDU includes a first MAC header, a first data field, and a first frame check sequence (FCS). The first FCS is for detecting an error occurred in at least the first data field. The third MPDU includes a third MAC header, a third data field, and a third FCS. The third FCS is for detecting an error occurred in at least the third data field.03-25-2010
20100091796Selecting An Adaptor Mode and Communicating Data Based on the Selected Adaptor Mode - A device selects a mode and communicates data based on the selected mode. The device comprises at least one interface circuit configured to monitor analog audio signals from a customer premise equipment device and a processor circuit. The processor circuit assigns a first band mode for converting the analog audio signals to data packets if the analog audio signals do not have frequency components outside the first band of frequencies and assigns a second band mode for the conversion otherwise. The assignment of the second band mode for the conversion enables the output circuit to use a larger bandwidth of the communication channel to a network.04-15-2010
20100091797APPARATUS FOR RECONSTRUCTING CONTROL MESSAGE, APPARATUS FOR RESTORING CONTROL MESSAGE, METHOD OF RECONSTRUCTING CONTROL MESSAGE, AND METHOD OF RESTORING CONTROL MESSAGE - The present invention relates to an apparatus for reconstructing a control message, an apparatus for restoring a control message, a method of reconstructing a control message, and a method of restoring a control message. To this end, an exemplary embodiment of the present invention provides an apparatus for reconstructing a control message, the apparatus including an index parameter generating section that classifies a plurality of first parameters in a control message according to a predetermined criterion to generate group information and generates one or more index parameters corresponding to the group information, and a control message reconstructing section that reconstructs the control message on the basis of the group information and the index parameters. According to the present invention, the size of a control message to be transmitted and received between a base station and a terminal can be reduced, thereby providing more additional services to the terminal through a limited radio resource.04-15-2010
20100091798METHOD, APPARATUS, AND SYSTEM FOR DATA TRANSMISSION AND PROCESSING IN A WIRELESS COMMUNICATION ENVIRONMENT - According to one aspect of the present invention, a method is provided in which indications of signal quality associated with each of the plurality of user stations are received. Multiple user stations (e.g., a first user station and a second user station) are selected to receive data from a base station based on the indications of signal quality associated with the plurality of the user stations. A first packet is constructed which contains signaling data for the first user station and application data for the second user station. A second packet which contains application data for the first user station is super-imposed upon the first packet. The first and second packets are transmitted simultaneously from the base station to the first and second user stations.04-15-2010
20100091799METHOD AND DATA STRUCTURE FOR EXCHANGING DATA - A method and system for exchanging at least one data value between a first device and at least one second device, including providing at least one data structure at the first device, the data structure including at least one descriptive field and an associated at least one data value field, the at least one data value field including the least one data value, the at least one descriptive field including a usage type field having usage type data to associate the at least one data value field with a data type, transmitting the at least one data structure from the first device to the at least one second device, and, based on at least the usage type data, at the at least one second device, extracting the at least one data value from the at least one data value field.04-15-2010
20100111108Systems and Methods of Reducing Delay in Decoding - In one embodiment, a method includes inserting a packet containing an interpolated timestamp into a burst media stream. The insertion is responsive to a channel change request. The burst media stream includes a series of cached frames.05-06-2010
20090154497Method and Apparatus for Encoding/Decoding - The present invention relates to a multimedia data encoding/decoding method and apparatus. The encoding method includes generating a data area comprising a plurality of media data areas; generating a plurality of track areas corresponding to the plurality of media data areas, respectively; and generating a meta area comprising a first area comprising identification information on media data and a second area comprising position information on the media data. According to the present invention, the multimedia data encoding/decoding method and apparatus has an effect of being capable of constructing a slide show by only a small amount of multimedia data. Thus, a time taken to process and transmit the multimedia data can reduce.06-18-2009
20090154499DATA MULTIPLEXING/DEMULTIPLEXING APPARATUS - In generation of a system header included in an program stream of extended MPEG-2 Systems, when a basic stream ID is an extension ID and basic buffer size information represents 0 byte, extension buffer size information expressed by a total of 24 bits of an extension ID, a marker bit and an extension stream ID and a total of 24 bits including an extension stream ID, a marker bit and extension buffer bound scale information and required for reproduction of an elementary stream to be multiplexed using a pair of an extension ID and an extension stream ID is generated and recorded.06-18-2009
20110261836METHODS AND APPARATUSES FOR ADDING/DETECTING AN ADAPTIVE AND EXTENDABLE SEQUENCE INDEX - According to the present invention, there is proposed a method of adding/detecting an adaptive and extendable segment index for re-segmentation and an apparatus thereof. According to the present invention, the method of adding a segment index comprising steps of determining whether a re-segmentation happens; looking for in a re-segmentation header of a current block a bit indicating the end of the re-segmentation header and the start of other information if it is determined a re-segmentation happens; and inserting two bits immediately before the bit indicating the end of the re-segmentation header and the start of other information, a first bit indicating a higher level re-segmentation has happened, and a second bit indicating one part generated in this re-segmentation.10-27-2011
20100118892EFFICIENT UE QOS/UL PACKET BUILD IN LTE - An apparatus for wireless communication includes a processing system. The processing system is configured to perform a first set of functions in a first thread. The first set of functions includes obtaining second data from a second thread and providing first data to the second thread to facilitate construction of an uplink packet in the second thread. The processing system is further configured to perform a second set of functions in the second thread. The second set of functions includes obtaining the first data, constructing the uplink packet based on the first data, and providing the second data to the first thread to facilitate the performing of the first set of functions.05-13-2010
20110261837IMPLEMENTING END-TO-END CREDIT MANAGEMENT FOR ENHANCED LARGE PACKET REASSEMBLY - A method and circuit for implementing end-to-end credit management for enhanced large packet reassembly in an interconnect system, and a design structure on which the subject circuit resides are provided. A transport layer provides buffering and credit control for a super packet received from a source device. A source transport layer sends an End-to-End (ETE) credit request message to a destination transport layer for an outstanding super packet transmission to a destination device. The destination transport layer grants credit to allow at least one source to send a super packet to the destination. The source transport layer fragments the super packet into multiple packets and sends all packets of the super packet only responsive to the credit request being granted by the destination transport layer that is needed to send all packets of the super packet.10-27-2011
20100128742METHODS OF TRANSMITTING DATA BLOCKS IN WIRELESS COMMUNICATION SYSTEM - Disclosed is a method for generating a data block to be transmitted from a specific layer in a transmitting side to a receiving side in a wireless communication system. The method includes receiving an upper layer datei block from an upper layer and generating a lower layer data block including at least part of the upper layer data block and state indication information indicating a state of the upper layer data block, the state indication information being selected variably according to a logical channel through which the upper layer data block is received. This method optimizes overhead of a header of each upper layer data block according to contents of the upper layer data block and event situations associated with the upper layer data block, thereby increasing system efficiency.05-27-2010
20130022057Communicating Tone Information in a Network - A method and apparatus to communicate tones is described.01-24-2013
20090207856Delivery of IP prefixes - In order to reduce the size of a signaling message advertising prefixes, a super block prefix is determined amongst two or more prefixes having a common pattern. Information on the super block prefix and delta information on each non-super-block prefix is used in the messages instead of the prefixes as such, the delta information indicating how the prefix differs from the super block prefix.08-20-2009
20090086759Retransmission in data communication systems - Embodiments related to retransmission in data communication systems are described and depicted04-02-2009
20120106575APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING DATA IN COMMUNICATION SYSTEM - Disclosed is an apparatus and method for transmitting/receiving data using a low-density parity check (LDPC) coding scheme in a communication system. The method includes generating a multi-user data packet containing data to be transmitted to a plurality of users, encoding the multi-user data packet as a BCC and an LDPC code, and transmitting the encoded multi-user data packet to the plurality of users. In the method, the encoding of the multi-user data packet encodes MPDU subframes corresponding to each of the plurality of users in the multi-user data packet as the LDPC code, and calculates information on a length in LDPC encoding, corresponding to the encoding of the multi-user data packet as the LDPC code.05-03-2012
20120106574AUTOMATED URL TRANSMISSION TO ENABLE MULTIMEDIA SERVICES - A method is disclosed for providing multimedia services includes receiving from a first user a request for engaging in multimedia services with a second user, generating a Uniform Resource Locator (URL), transmitting the URL to an address associated with the second user, enabling voice communication between the first user and the second user, and enabling multimedia services between the first user and the second user in response to receiving an indication that the second user has accessed the URL.05-03-2012
20090285237Apparatus and methods for constructing a data unit that includes a buffer status report - An apparatus and method for constructing a data unit that includes a buffer status report (BSR) such that when BSR triggering is performed, the size(s) of the necessary sub-header(s) are also to be considered together in addition to the BSR size. There is a checking unit that checks whether any padding region is available in a MAC PDU that was constructed, a comparing unit that compares the number of padding bits with the size of a buffer status report (BSR) plus its sub-header, and a processing unit that cooperates with the checking unit and the comparing unit to trigger a buffer status report (BSR) procedure if the number of padding bits is larger than the size of the BSR plus its sub-header, including the BSR and its sub-header in the MAC PDU, and setting an LCID in the sub-header to indicate a BSR is included, the BSR having been triggered due to padding. Using such apparatus allows the sub-header(s) to be inserted (included) into the MAC PDU (or transport block (TB) or other data unit).11-19-2009
20090285239METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA BY USING TIME SLICING - Provided is a data transmission method using time slicing, the method includes: generating a plurality of transmission frames by realigning a plurality of pieces of data of a same layer among data of a plurality of original frames classified in a hierarchical structure based on a resolution; and transmitting the plurality of transmission frames according to a transmission order based on the hierarchical structure.11-19-2009
20090285238RECEIVING APPARATUS, RECEIVING METHOD, COMMUNICATION METHOD AND TRANSMISSION APPARATUS - A receiving apparatus receiving data separated into a plurality of fragments comprises a detection unit adapted to detect the fragment size of the fragments, and a management unit adapted to manage the arrival status of the plurality of received fragments using the detected fragment size as a unit.11-19-2009
20090168804Packet Error Correction - A method for correcting packet errors in a combined stream including steps of receiving a combined and re-packetized transport stream comprising program information for at least two transport streams (A and B), wherein each transport stream (A and B) comprises program information associated with respective distinctive packet IDs (PIDs), detecting an invader packet associated with the combined and re-packetized transport stream A does not belong in the combined and re-packetized transport stream A, offering the invader packet to combined and re-packetized transport stream B in which a gap is detected, and de-combining combined and re-packetized transport stream B such that information from a de-combined version of the invader packet fills a gap in a de-combined version of combined and re-packetized transport stream B.07-02-2009
20110170561Mainframe injection component and method for manipulating data packets communicated between emulators and mainframes - The present invention concerns a mainframe injection component (MIC) (07-14-2011
20090274173APPARATUS AND METHODS FOR TRANSMITTING DATA OVER A WIRELESS MESH NETWORK - Methods and apparatus for transmitting data over a wireless mesh network include generating a first mesh header having a plurality of fields, and extending the first mesh header by prepending a protocol header to generate a second mesh header. The second mesh header may be inserted into a protocol data unit for transmitting the protocol data unit via the mesh network.11-05-2009
20090290599Method and device for transmitting packets - A method for transmitting a packet including a packet data fragment and packet information with a transmission device, the method includes determining a concatenated quantity of packets based on size of the packet data fragment, generating a concatenated packet including packet data fragments corresponding to a plurality of first packets, wherein a number of the packet data fragments is determined based on the concatenated quantity, and packet information corresponding to the first packets, and transmitting the concatenated packet in any one of a plurality of communication cycles.11-26-2009
20090103566SWITCH PORT ANALYZERS - Methods and devices are provided for non-disruptive monitoring of network traffic through one or more ports of a Fibre Channel network device. Preferred embodiments of the invention are used in conjunction with the switched port analyzer (“SPAN”) and/or remote SPAN (“RSPAN”) features. SPAN mode operation allows traffic through any Fibre Channel interface of a network device to be replicated and delivered to a single port on the same network device. Ingress SPAN allows the monitoring of some or all packets that ingress a specified port or ports. Egress SPAN allows the monitoring of some or all packets that egress a specified port or ports. RSPAN allows the delivery of the replicated traffic to a port on a remote network device. Filtering may be applied, for example, to SPAN packets having selected virtual storage area network numbers.04-23-2009
20090296739COMMUNICATION DEVICE AND COMMUNICATION METHOD THEREOF - A first control data generation unit configured to generate first control data, a control data allocation processing unit configured to perform allocation processing for the first control data in order to reserve an area for the first control data in a frame memory, a data write control unit configured to write user data in an area in the frame memory except the area where the allocation processing is performed, and a transmission unit configured to transmit transmission data based on the data written in the frame memory are included, and the data write control unit writes the generated first control data in the area where the allocation processing is performed in the frame memory after generation of the first control data and after the allocation processing of the first control data and after writing the user data and before the transmission data is transmitted.12-03-2009
20080212612Method and system for acknowledgements in wireless communications - A packet communication process for a wireless system that includes a sender and a receiver, is provided. The packet communication process dispenses with the need to send multiple block acknowledgments, one per Traffic Identifier (TID), from the receiver to the sender. This involves aggregating multiple MPDUs having a plurality of different TIDs; for each TID, generating a BAR to request an acknowledgment for one or more MPDUs with that TID from the receiver; transmitting the aggregated MPDUs and the BARs from the sender to the receiver over a wireless channel; receiving the aggregated MPDUs and the BARs at the receiver; in response to the BARs, generating a single block acknowledgement that includes an acknowledgment for each MPDU with a different TID; and transmitting the single block acknowledgement to the sender.09-04-2008
20110268135METHOD OF CONSTRUCTING A FRAME BY MULTIPLEXING SUBFRAMES HAVING DIFFERENT CP LENGTH - The present invention relates to a broadband wireless access system, and more particularly, to a frame structure to which OFDM symbols having a cyclic prefix are transmitted. A method of constructing a frame in a broadband wireless access system according to one embodiment of the present invention comprises including one or more first subframes in the frame, the first subframes including a plurality of symbols having a cyclic prefix of a first length; and including one or more second subframes in the frame, the second subframes including a plurality of symbols having a cyclic prefix of a second length different from the first length, wherein the number of the first subframes and the number of the second subframes are determined considering an idle time for which effective symbols are not included in the frame.11-03-2011
20110206066METHOD AND APPARATUS FOR CONFIGURING PROTOCOL HEADER IN WIRELESS COMMUNICATION SYSTEM - Provided are a method of configuring a protocol header in a wireless communication system, and a communication apparatus and method using the protocol header configuration method. The protocol header may include a fixed length physical layer (PHY) header containing information associated with the number of Media Access Control (MAC) service data units, a variable length PHY header containing information associated with a segment constituting a payload, a MAC header containing information associated with the MAC service data units, and a Header Check Sequence (HCS) checking an error regarding a combination of the fixed length PHY header, the variable length PHY header, and the MAC header.08-25-2011
20110206065WIRELESS NETWORK USING FEEDBACK OF SIDE INFORMATION AND COMMUNICATION METHOD USING NETWORK CODING - A receiver that generates side information associated with information that is transmitted with packet data and that is included in received packet data, and that feeds back the side information to the transmitter, is provided. The transmitter may generate and transmit additional redundant bits based on the side information.08-25-2011
20080279219AGGREGATING NETWORK PACKETS FOR TRANSMISSION TO A DESTINATION NODE - A node for transmitting digital data over a network receives a plurality of packet data units and identifies at least two of the packet data units that have the same aggregation identifier. The node then forms an aggregate packet from the packet data units that have the same aggregation identifier and transmits the aggregate packet to a common destination node or nodes.11-13-2008
20080285593Location system and communication system - A location system comprises a plurality of transponders whose locations are detectable by a base system. The base system interrogates (11-20-2008
20080285592Extended layer two tunneling protocol applications and architectures - A device, deployed at the edge of a provider network, includes logic to receive traffic from one or more customer edge devices, and to encapsulate the customer traffic into a Layer 2 tunnel of an IP frame. The IP frame in further included within an Ethernet frame, and quality of service priority bits are promoted from the customer traffic into both the IP frame and the Ethernet frame.11-20-2008
20090185581NETWORK MESSAGE TRANSFORMATION DEVICE AND METHODS THEREOF - A method of transforming messages for communication via a network includes receiving a message from an application being executed at a processor. The message is received at a connection object, which transforms the received message based on characteristics of the connection object. The characteristics can be determined via a negotiation between the source and target of the message. The connection object provides the transformed message to a protocol layer, which forms packets based on the message. The connection object thus transforms each message independent of the transmission protocol used to communicate the message to the target, thereby improving communication bandwidth and efficiency.07-23-2009
20080310449Method and Apparatus For Upper Level Protocol Message - Upper level protocol message transmitting method and apparatus are provided based on a new management message to be used in a portable Internet system. When a base station receives the upper level protocol message to be broadcast, it includes the same in the management message and transmits the included message to all the mobile terminals of a cell, and thus, the total number of the transmissions is decreased, thereby increasing a wireless efficiency.12-18-2008
20110007755COMMUNICATION WITH COMPRESSED HEADERS - Communication efficiency may be enhanced by using compressed headers. In an example embodiment, a method is performed by a transmitting device to reduce header size. A mapping is created between a logical channel identifier and a compressed logical channel identifier. The compressed logical channel identifier occupies fewer bits than the logical channel identifier. The mapping is transmitted to a receiving device. A compressed header that includes the compressed logical channel identifier is formulated. A communication that includes the compressed header is transmitted to the receiving device. In another example embodiment, a method is performed by a receiving device to decode a header having a reduced size. A mapping and a communication including a compressed header are received. A compressed logical channel identifier is extracted from the compressed header. A logical channel identifier is recovered from the compressed logical channel identifier using the mapping.01-13-2011
20110007754Flexible Hardware Checksum Generator - A traffic generator may include a scheduler to provide packet forming data defining a packet; a background engine to retrieve a packet template, the packet template including a first checksum mask, a first pre-sum, and a first address; a fill engine to generate content for variable-content fields of the packet for a payload portion of the packet in accordance with the packet forming data and the packet template; and a checksum engine. The checksum engine may include an accumulator that calculates a payload checksum for the payload portion of the packet and first logic circuits that compute a first checksum based on the first pre-sum, the first mask, and at least some of the payload checksum and the variable-content fields. Insertion logic may insert the first checksum into the packet at a position indicated by the first address.01-13-2011
20100142556METHOD AND APPARATUS RELATED TO PACKET FRAGMENTATION AND RECONSTRUCTION - Methods and apparatus related to packet fragmentation and reconstruction are described. A sequence of bits is generated including at least one header and at least partial packet payload prior to a determination of the actual data rate to be used in a communications segment. In some embodiments, the generated sequence of bits corresponds to a prepared information bit stream for a best case scenario in which the highest data rate is selected for segment. Various embodiments allow for the selection of the data rate to be used for the communications segment to be delayed until just prior to the transmission. Thus the selection of the data rate for the communications segment, and thus the segment capacity, can be based on more current channel condition information than would otherwise be possible if the communications device needed to know the data rate for the segment before performing header and packet fragmentation operations.06-10-2010
20110206064HIGH SPEED NETWORK DATA EXTRACTOR - The present invention describes a system and method of extracting and storing data elements from network packets, thus performing the task of data mining. In one embodiment of the present invention incoming packets are decomposed one protocol layer at a time to extract data elements contained in the protocol headers. Layer-specific parsers perform deep packet inspection in order to extract data elements from upper-level protocols. Extracted data is arranged in rows, which are subsequently stored into a memory-based accumulator. After some length of time the accumulator is flushed to disk files. Another process reads the flushed disk files row-by-row, inserting each row into a relational database. Standard SQL operations are performed on the relational database in order to generate and display reports of the collected data.08-25-2011
20100142559SUPER-FRAME STRUCTURE FOR DYNAMIC SPECTRUM SHARING IN WIRELESS NETWORKS - A coexistence communications method for use between wireless networks includes adopting a super-frame structure for use in a wireless network having a plurality of frames, wherein a first frame includes a super-frame preamble, a super-frame control header, a data portion, and a regular self-coexistence window, an intermediate frame includes an OFDM symbol, a data portion, and a regular self-coexistence window, and a last frame includes an OFDM symbol, a data portion, and a joining self-coexistence window, using the self-coexistence windows to exchange inter-wireless network co-existence messages, and using a last reserved self-coexistence window to announce intra-wireless network negotiation decisions.06-10-2010
20090141741METHOD AND APPARATUS FOR CONNECTING SENSOR NETWORK TO HETEROGENEOUS NETWORK - Provided are a method and apparatus for connecting a sensor network to a heterogeneous network, in which an external network connected to the sensor network functions as a virtual personal area network (PAN) so that the same PAN address system is used between the sensor network and the external network by using a concept of a ‘virtual PAN’. According to the method and apparatus for connecting the sensor network to the heterogeneous network, a node of the sensor network can efficiently communicate with a node of the external network including the heterogeneous network by assigning the virtual PAN address to the node of the external network including the heterogeneous network without inserting any additional layer into the node of the sensor network.06-04-2009
20090161695Method of Processing a Signal and Apparatus for Processing a Signal - A method and apparatus for signal processing which enable data compression and recovery with high transmission efficiency are disclosed. Data coding and entropy coding are performed with correlation and grouping is used to increase coding efficiency. A method for signal processing according to this invention, the method includes decapsulating the signal received over an Internet protocol network, obtaining a pilot reference value corresponding to a plurality of data and a pilot difference value corresponding the pilot reference value from the decapsulated signal and obtaining the data using the pilot reference value and the pilot difference value.06-25-2009
20090185582Unified data packet for encapsulating data packets having diverse formats - Embodiments of the present invention described and shown in the specification and drawings facilitate the transportation of data packets having diverse formats through a general packet switching system. Due to the diverse formats of the data packets used by various common communications protocols, it is has been difficult to produce general packet switching systems that are able to switch multiple protocols. Embodiments of the present invention provide a Unified Data Packet for encapsulating data packets having diverse formats. Through encapsulation, embodiments of the present invention improve switching system efficiency by providing a single data packet format for handling by the switching system while enabling data packets in diverse formats to pass through the switch.07-23-2009
20090052469MULTIPLEXING DEVICE AND MULTIPLEXING METHOD, PROGRAM, RECORDING MEDIUM - The present invention relates to a multiplexer, a multiplexing method, a program, and a recording medium, whereby TS packets encoded with different encoding methods can be multiplexed. In the event of multiplexing each TS packet of a BS audio TS 02-26-2009
20130121347COMMUNICATION APPARATUS - When time synchronization between communication apparatuses is performed with PTP, a PTP packet storing a time stamp is transmitted/received. At that time, an RTC is provided in a PTP packet generation unit within the communication apparatus. An RTC is also provided in a PTP packet transmission unit. These RTCs are time-synchronized by a hardware operation based on PPS/System CLK. The RTCs of the PTP packet generation unit and the PTP packet transmission unit are time-synchronized, whereby a highly precise time stamp and correction value for a time can be obtained.05-16-2013
20130121348Frequency Duplication Mode for Use in Wireless Local Area Networks (WLANs) - In generating a physical layer (PHY) frequency duplication mode data unit for transmission via a communication channel, a preamble of the PHY frequency duplication mode data unit is generated. The preamble includes a signal field, and the preamble is configured so that a receiver can determine that the data unit is a frequency duplication mode-type data unit prior to decoding the signal field of the preamble. A payload of the PHY frequency duplication mode data unit is generated, and the PHY frequency duplication mode data unit is transmitted.05-16-2013
20110142073METHOD FOR ENCODING INFORMATION OBJECT AND ENCODER USING THE SAME - A method for encoding an information object in a communication system by storing the information object in a buffer; generating a sampling set including bits randomly selected from the buffer and bits regularly selected from the buffer; generating control channel data including a sampling set number of the sampling set and size information for the information object; and modulating the sampling set and the control channel data.06-16-2011
20130121349SYSTEM AND METHOD FOR ADAPTIVE MEDIA BUNDLING FOR VOICE OVER INTERNET PROTOCOL APPLICATIONS - An apparatus and method for adaptively bundling media frames in a data packet for transmission in a wireless data network. When a wireless device is ready to transmit an audio communication, a message is sent from the wireless device to a communication server that checks for network usage conditions and adaptively determines a bundling factor for the audio communication. The bundling factor is transmitted to the wireless device, and the wireless device bundles media frames into a data packet according to the bundling factor.05-16-2013
20090003383Node Device, Packet Control Device, Radio Communication Device, and Transmission Control Method - A conventional node 01-01-2009
20090201949Information Processing Apparatus And Method, And Program - The present invention relates to an information processing device and method, and program, whereby unnecessary standby time can be reduced in depacketizing processing, and processing can be performed easily and at high speed. A common header creating unit 08-13-2009
20090201948METHODS AND APPARATUS FOR FORMATTING HEADERS IN A COMMUNICATION FRAME - Methods and apparatus for formatting headers for data packets within a communication frame for use in a wireless communication system are presented. Formatting headers includes determining the size of a wireless communication frame, and formatting the payloads and associated headers within the communication frame according to the determined size. This formatting includes placing headers at the beginning of the frame before the data packets corresponding to the headers to optimize processing of the headers at a receiver. Formatting may also include formatting the headers according to a first format within the frame when the determined frame size is below a predetermined size to optimize the size of the headers, and formatting according to a second format within the frame size of the data packet is equal to or greater than the predetermined size to optimize processing for frames having large data packets.08-13-2009
20090207859Flow-Rate-Regulated Burst Switches - Burst-switching nodes using a common-memory or a time shared space switch and employing flow-rate control are disclosed. Within a switching node, data bursts are segmented into data segments of a fixed size with some segments containing information bits as well as null bits. A switching node handles data streams allocated different flow rates and, for any data stream, the internal flow rate through the switching node can be higher than the external flow rate due to null padding of segmented data. The switching node is provided with a sufficient internal capacity expansion in order to offset the effect of null padding. A controller of the switching node is provided with a flow-rate-regulation apparatus to enable scheduling the transfer of data segments across the switching node in a manner that guarantees adherence to the allocated information flow rates.08-20-2009
20110142072TRANSMITTING SYSTEM AND METHOD OF PROCESSING DIGITAL BROADCAST SIGNAL IN TRANSMITTING SYSTEM - A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcast signal includes FEC encoding mobile data to build data frames, dividing the data frames into a plurality of data portions, converting one of the data portions into a plurality of SCCC blocks, performing convolutional coding on mobile data, mapping the SCCC blocks to data blocks and extended data blocks, forming a data group, forming a fixed number of mobile data packets and a first scalable number of mobile data packets, multiplexing the fixed number of mobile data packets, the first scalable number of mobile data packets and a second scalable number of main data packets.06-16-2011
20090245283METHOD AND APPARATUS FOR REPAIRING SAMPLES INCLUDED IN CONTAINER FILES HAVING LOST PACKETS - There are provided a method and apparatus for repairing samples included in container files having lost packets. The apparatus includes a receiver and a file patcher. The receiver is for receiving packets including container files therein, identifying any of the packets for which a packet loss has occurred, and identifying at least one sample having data included in the identified packets that is affected by the packet loss. The at least one sample respectively corresponds to a particular container file. The file patcher is for repairing the particular container file with respect to the at least one sample.10-01-2009
20090219952Wireless terminal baseband processor high speed turbo decoding module supporting MAC header splitting - A baseband processing module for use within a Radio Frequency (RF) transceiver includes a downlink/uplink interface, TX processing components, a processor, memory, RX processing components, and a turbo decoding module. The RX processing components receive a baseband RX signal from the RF front end, produce a set of IR samples from the baseband RX signal, and transfer the set of IR samples to the memory. The turbo decoding module receives at least one set of IR samples from the memory, forms a turbo code word from the at least one set of IR samples, turbo decodes the turbo code word to produce inbound data, and outputs the inbound data to the downlink/uplink interface. The turbo decoding module performs metric normalization based upon a chosen metric, performs de-rate matching, performs error detection operations, and extracts information from a MAC packet that it produces.09-03-2009
20090219951Apparatus and methed for constructing a data unit that includes a buffer status report - An apparatus and method for constructing a data unit that includes a buffer status report (BSR) such that when BSR triggering is performed, the size(s) of the necessary sub-header(s) are also to be considered together in addition to the BSR size. There is a checking unit that checks whether any padding region is available in a MAC PDU that was constructed, a comparing unit that compares the number of padding bits with the size of a buffer status report (BSR) plus its sub-header, and a processing unit that cooperates with the checking unit and the comparing unit to trigger a buffer status report (BSR) procedure if the number of padding bits is larger than the size of the BSR plus its sub-header, including the BSR and its sub-header in the MAC PDU, and setting an LCID in the sub-header to indicate a BSR is included, the BSR having been triggered due to padding. Using such apparatus allows the sub-header(s) to be inserted (included) into the MAC PDU (or transport block (TB) or other data unit).09-03-2009
20090161696METHOD, APPARATUS AND SYSTEM FOR COMPLEX FLOW CLASSIFICATION OF FRAGMENTED PACKETS - The disclosure discloses a method and system for complex flow classification of fragmented packets. The method includes determining whether a received fragment is an initial fragment, if the received fragment is an initial fragment, storing the initial fragment information and processing it, otherwise, looking for the matched initial fragment information, and performing the same action processing as the initial fragment. The application of the techniques provided in embodiments of the disclosure effectively solve the problem of complex flow classification of the fragmented packets based on the transport layer, thereby processing the initial fragment and its non-initial fragments with the same actions.06-25-2009
20100150174Stateless Fibre Channel Sequence Acceleration for Fibre Channel Traffic Over Ethernet - A method for offloading Fibre Channel transmit data in an I/O operation. The transmit data includes Fibre Channel sequences, each Fibre Channel sequence includes multiple frames. The method includes generating a single transmit sequence request descriptor for transmitting all of the plurality of frames; creating an Ethernet header, a FCoE encapsulation header, and a Fibre Channel header for each frame in response to information in the transmit sequence request descriptor; creating start of frame and end of frame delimiters; inserting data into each frame; computing Fibre Channel CRC and Ethernet FCS for each frame; and transmitting the plurality of frames over a network. In each of the plurality of frames, the Ethernet header precedes the FCoE encapsulation header, which precedes the Fibre Channel header, which precedes the data. The data is followed by the Fibre Channel CRC, which is followed by the Ethernet FCS.06-17-2010
20120195327FRAME FORMATION METHOD IN WIRELESS COMMUNICATION NETWORK FOR MEDICAL PROSTHETIC DEVICE - Disclosed herein is a method of forming communication frames. The communication frames each include a PHY header, a MAC header and a payload. The method includes forming the PHY header so that the PHY header includes information configured to support synchronization with a reception unit and information indicative of the start and overall size of the frame; forming the MAC header so that the MAC header includes information indicative of the type of frame, information configured to be used to check for the sequence of the frame, flag information, information indicative of the size of the data block, source and destination information, and information configured to be used to check the header of the frame for an error and correct the error; and forming the payload so that each of a plurality of data blocks includes information configured to perform error check and correction.08-02-2012
20100166015METHODS AND SYSTEMS FOR DYNAMIC FRAGMENTATION OF PACKETS BY COMMUNICATION NETWORK NODES - Methods and devices are disclosed for dynamically fragmenting packets transmitted in a communications network. Fragments are generated by splitting a packet based on a value of a fragment size parameter. A first fragment is sent to a receiving node. As the sending node, a transmission success parameter is determined that indicates whether the first fragment was successfully received. Based on the value of the transmission success parameter, a link quality parameter value representing a chance a second fragment having the same size as the first fragment will be successfully received by the receiving node is updated. The sending node compares the value of the link quality parameter and a value of a quality threshold parameter and changes the value of the fragment size parameter based on a result of the comparison.07-01-2010
20100150173System and Method for Multi-User Multiplexing - A relay node. The relay node includes a processor configured to multiplex a plurality of medium access control layer (MAC) packet data units (PDUs) that correspond to a plurality of user agents to form a Super-MAC PDU.06-17-2010
20090116512METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING CONTROL INFORMATION IN BROADCAST COMMUNICATION SYSTEM - Disclosed is a method and apparatus for transmitting/receiving control information in a system in which one or more Radio Frequencies (RFs) are used to carry multiple services through a frame constituted by time resources or time-frequency resources. Control information regarding frame configuration information is not transmitted over a separate control channel but over a data channel through which to transmit primary service traffic among all service traffic, and each non-primary service traffic other than the primary service traffic includes control information for a primary service. Thus, even when a receiver changes the current service to a target service, control information necessary to detect the location of the target service in a frame and demodulate the target service can be acquired, and thus a service change can be made without reading a separate control channel.05-07-2009
20100183031Apparatus, Method and Computer Program Product Providing Distribution of Segmented System Information - Multiple embodiments are detailed to enable segmenting of system information SI that is sent on a shared channel, In one embodiment, information indicative of a segmentation state of at least one message that comprises system information is generated, and the information indicative of the segmentation state is transmitted to a user equipment, where the information indicative of the segmentation state is provided in one of a L1/L2 control channel, in a broadcast channel, or in a radio resource control message header. Other embodiments stipulate one bit signaling, container types to carry the segmented Sl, headers, segment lengths and other indicators. Certain embodiments specifically address how large block ETWS may be sent in E-UTRAN with low DL-SCH bandwidths.07-22-2010
20100183032System and Method for Converting Packet Payload Size - An apparatus is provided for enabling communication between telephony devices. The apparatus includes a queue operable to receive incoming media packets from the telephony devices, and a payload segmenter coupled to the queue and operable to divide an incoming payload section of each incoming packet into one or more data segments. The apparatus also includes a mixer coupled to the payload segmenter and operable to mix the data segments from the telephony devices to create an aggregate data segment. Furthermore, the apparatus includes a reassembly buffer coupled to the mixer and operable to construct an outgoing payload section for one or more telephony devices by linking successively generated aggregate data segments.07-22-2010
20100183030Ethernet Data Reassembly Apparatus and Method - An Ethernet data reassembly apparatus comprises: a data receiving unit, for receiving the data of a gigabit passive optical network frame; a data reassembly unit, for storing the data of the gigabit passive optical network frame into the corresponding location of a data buffer unit, based on the Ethernet data intermediate variable stored in a data reassembly table unit; a data reassembly table unit, for storing the Ethernet data intermediate variable; and a data buffer unit, for storing the data of the gigabit passive optical network frame received by the data receiving unit, to acquire integrated Ethernet data. A method comprises the following steps: receiving the data of a gigabit passive optical network frame; storing the data of the gigabit passive optical network frame into the corresponding location of a data buffer unit, based on the Ethernet data intermediate variable stored in a data reassembly table unit. According to the present invention, ONU and OLT could perform an interleaving process for any number of data frames.07-22-2010
20100189131SCALABLE SEAMLESS DIGITAL VIDEO STREAM SPLICING - Described are computer-based methods and apparatuses, including computer program products, for scalable seamless digital video stream splicing. Data packets in a first video stream of bits are rearranged. Placeholder packets are created in a second video stream of bits. The first video stream of bits and the second video stream of bits are combined to generate a spliced stream by inserting data packets from the first video stream of bits into the placeholder packets in the second video stream of bits.07-29-2010
20100166014APPARATUS AND METHOD FOR RECOMBINING MULTI-PROTOCOL ENCAPSULATION (MPE) PACKETS - Provided is an apparatus and method for recombining multi-protocol encapsulation (MPE) packets. The apparatus includes the steps of: a buffer for buffering transport stream (TS) packets; a first memory for temporally storing residue data; a second memory for storing a residue data existence flag and length information of data; a MPE recombination processor for analyzing header information, storing the length information of an MPE packet, creating an asynchronous transfer mode (ATM) cell header, reading packet data, creating and outputting an ATM adaptive layer 0 (AALO-ATM) cell and the read packet data, updating the length information of the data, reading the residue data, reading insufficient data and creating an AALO-ATM cell; and a segmentation and reassemble (SAR) processor for buffering the AALO-ATM cell, and transporting the AALO-ATM cell.07-01-2010
20100158046METHOD AND APPARATUS FOR GENERATING DATA PACKETS FOR TRANSMISSION IN AN OFDM COMMUNICATION SYSTEM - Method and apparatus for generating data packets for transmission in an orthogonal frequency division modulated communication system, in which preamble sequence for each packet is generated in the frequency domain or the time domain depending on at least two conditions to save power consumption and enable implementation in a single CMOS chip.06-24-2010
20100020824PACKET HEADER COMPRESSION FOR LOSSY CHANNELS - The disclosed systems and methods provide for the compression and decompression of packet headers. An uncompressed header can be compressed in size to form a smaller, compressed header, such that the compressed header can include values that can be used to re-produce the uncompressed header. A compressed header can include at least two such values. A first value of the at least two values can be computed based on a second, earlier uncompressed header and can be used to derive the uncompressed header. Similarly, a second value of the at least two values can be computed based on a third uncompressed header and can be used to derive the same uncompressed header. Accordingly, the uncompressed header can be derived based on the first value and the second uncompressed header, or based on the second value and the third uncompressed header. The uncompressed header, second uncompressed header, and third uncompressed header can be associated with different packets.01-28-2010
20100166017METHOD AND APPARATUS FOR PROCESSING PACKET - Provided is a packet processing apparatus and method for audio/video (AV) data transmission, in which a simple protocol optimized for AV data transmission is used. Information distinguishing a data packet from a control packet may be included in a data link layer packet header, so that a data packet and a control packet may be distinguished from each other and thereby may be processed according to different procedures.07-01-2010
20100177787System and Method for Extending Communication Protocols - A system and method are provided for extending a communication protocol by constructing a top level message, constructing a first level extension message, and embedding the first level extension message in a data component of the top level message. Also, a system and method are provided for extending a communication protocol by receiving a top level message from a communication medium, determining whether a first level extension message is included within the top level message, and extracting the first level extension message from the top level message. Further, a system and method are provided for extending a communication protocol by using a processor to embed a first level extension packet within a top level packet. At least one of the top level packet and the first level extension packet include a message for use in an HVAC system.07-15-2010
20100177788METHOD AND APPARATUS FOR PROCESSING PADDING BUFFER STATUS REPORTS - A method and system for processing buffer status reports (BSRs) such that when BSR triggering is performed, the size(s) of the necessary sub-header(s) are also to be considered together in addition to the BSR size. The steps of checking whether any padding region is available in a MAC PDU that was constructed, comparing the number of padding bits with the size of the BSR plus its sub-header, and if the number of padding bits is larger than the size of the BSR plus its sub-header, triggering BSR are performed. Doing so allows the sub-header(s) to be inserted or included into the MAC PDU or transport block (TB) or other type of data unit.07-15-2010
20130215906RECONFIGURABLE PACKET HEADER PARSING - The invention relates to a method and device for configurable parsing of packet headers in a network. A configurable packet header parser (CPHP) includes hard-coded packet header logic implementing a hard-coded state machine and a reconfigurable header parsing logic that is coupled to the hardcoded logic and includes programmable registers. The CPHP is remotely programmable by means of a command packet parser that may receive command packets carrying CPHP configuration data and program the registers with the CPHP data to enable parsing packet including new types of headers. The hybrid hard-coded/programmable CPHP requires only a relatively small number of programmable elements enabling ASIC-based implementation.08-22-2013
20130215907Communication with Compressed Headers - Communication efficiency may be enhanced by using compressed headers. In an example embodiment, a method is performed by a transmitting device to reduce header size. A mapping is created between a logical channel identifier and a compressed logical channel identifier. The compressed logical channel identifier occupies fewer bits than the logical channel identifier. The mapping is transmitted to a receiving device. A compressed header that includes the compressed logical channel identifier is formulated. A communication that includes the compressed header is transmitted to the receiving device. In another example embodiment, a method is performed by a receiving device to decode a header having a reduced size. A mapping and a communication including a compressed header are received. A compressed logical channel identifier is extracted from the compressed header. A logical channel identifier is recovered from the compressed logical channel identifier using the mapping.08-22-2013
20100208750METHOD AND APPARTUS FOR GENERATING THREE (3)-DIMENSIONAL IMAGE DATA STREAM, AND METHOD AND APPARATUS FOR RECEIVING THREE (3)-DIMENSIONAL IMAGE DATA STREAM - Provided is a method of generating a three-dimensional (3D) image data stream, the method including: generating an elementary stream (ES) including an encoded bit string of a 3D image; generating at least one packetized elementary stream (PES) by packetizing the elementary stream; generating at least one section by multiplexing program related information of the 3D image; generating at least one transport stream (TS) packet for the at least one section and the at least one PES; and generating a TS by multiplexing the generated TS packet, wherein 3D image reproduction information that is required to reproduce the 3D image is inserted into at least one of the at least one PES, the at least one TS packet, and the at least one section.08-19-2010
20090285235SYSTEM AND METHOD FOR OFFLOADING PACKET PROTOCOL ENCAPSULATION FROM SOFTWARE - A method is provided for offloading packet protocol encapsulation from software. In operation, pointer information is received. Furthermore, packet protocol encapsulation is offloaded from software by assembling packets in hardware, using the pointer information.11-19-2009
20090279569Method and Apparatus for Assembling Network Layer Data Units - A method and apparatus for assembling a first network layer data unit from one or more second layer data units is described. The approach comprises receiving multiple second network layer data units, identifying whether all second network data layer units required for assembling a complete first network layer data unit have been received and, if not, assembling a partial first network layer data unit from the received second network data layer unit.11-12-2009
20090074010METHOD AND APPARATUS FOR GENERATING DATA FRAME - Provided is a method and apparatus for generating a data frame. The method includes: generating a plurality of subframes by using at least one medium access control (MAC) service data unit (MSDU); generating at least one field of an unequal error protection (UEP) field indicating whether UEP is applied to the subframes, a modulation and coding scheme (MCS) field indicating a modulation and coding scheme applied to each of the subframes, and a length field indicating the length of each of the subframes; and generating a data frame by using the subframes and the at least one of the UEP field, the MCS field, and the length field.03-19-2009
20090074009High Speed packet Processing in a Wireless Network - A method is provided for processing a packet (03-19-2009
20090168805METHODS AND SYSTEMS FOR START CODE EMULATION PREVENTION AND DATA STUFFING - Methods and systems provide approaches to start code emulation prevention at a granularity higher than the bit level. By operating at a level other than the bit level, processing capability requirements on both the encoder and decoder side can be reduced. In accordance with one or more embodiments, a start code emulation prevention method looks for data patterns relative to fixed-size data portions larger than single bits. When a particular pattern is found, start code emulation prevention data is inserted to prevent start code emulation. The inserted data is larger than a single bit and, in some embodiments, comprises a byte. When a decoder decodes data that has had start code emulation prevention data inserted, it can easily identify legitimate start codes and then can remove the start code emulation prevention data to provide the original data that was protected. In addition, a data stuffing method is described which allows payload data to be rounded up in size to an integer number of byte sizes, and then allows filler data to be added in a manner which is easily detectable by a decoder.07-02-2009
20090147802METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SELECTED INTERLACE ACKNOWLEDGEMENT MESSAGES IN WIRELESS COMMUNICATION SYSTEMS - An apparatus and method of acknowledging transition to SelectedInterlacesOff state in a wireless communication system are described. A SelectedInterlaceAck message comprising an 8 bit MessageID field, a 12 bit PilotPN field wherein the PilotPN field is set to the PilotPN of the sector to which the message is directed, an 1 bit SelectedInterlaceEnabled field wherein the SelectedInterlaceEnabled field is set to “1” to indicate selected interlace mode enabled and to “0” otherwise and a 3 bit Reserved field wherein the Reserved field is of such length so that the entire message is octet-aligned and is set to “0” is generated and transmitted over a communication link.06-11-2009
20080310452DATA LINK LAYER HEADERS - A system for communicating protocol layer processing information is disclosed herein. A transmitter includes a protocol layer header generator that generators a header for a first protocol data unit. The header generator provides a first header comprising a first sequence number field that determines the order in which a receiving entity present the first data unit to higher protocol layer. The sequence number field varies in length. A receiver includes a protocol layer header parser that parses a header of a first protocol data unit. The header parser parses a first header comprising a first sequence number field that determines the order in which the first data unit is presented to a higher protocol layer. The sequence number field varies in length.12-18-2008
20090110002BROADCAST RECEPTION APPARATUS, TS PACKET REPRODUCTION APPARATUS, BROADCAST RECEPTION METHOD AND PROGRAM - According to one embodiment, a broadcast reception apparatus includes a reception unit which receives a broadcast signal, and outputs a transport stream, a first determination unit which receives the transport stream as TS packets, and determines whether a PES header exists in each TS packet, a second determination unit which determines whether the PES header is normal, when the first determination unit detects the PES header, a search unit which detects a payload start position by searching the TS packet sequentially from the rear end, when the second determination unit determines the PES header to be abnormal, a separator which separates payloads at and after the payload start position, and a decoder which decodes the separated payloads of the TS packets, and outputs video and audio signals.04-30-2009
20130128900PACKET PROCESSOR AND METHOD FOR PROCESSING PACKETS BY MEANS OF INTERNAL CONTROL PACKETS - A packet processor for processing an input packet includes an information generator for generating process control information for processing the input packet, an internal packet generator for receiving the input packet as an packet to be processed and adding the process control information to the packet to be processed to produce an internal packet, an internal packet processor for processing the internal packet supplied from the internal packet generator on the basis of the process control information added to the internal packet, and a packet transmitter for extracting an output packet from the internal packet processed by the internal packet processor to transmit the output packet. The packet processor can reduce the amount of communication between modules even when the packet processor includes plural modules.05-23-2013
20130128901LAYER 1 FRAME CONSTRUCTION - A method includes appending, by a network device, a first layer 05-23-2013
20100296522Packet Data Transmission With Optimum Preamble Length - In a communication network, a sending node transmits a message with a multi-segment preamble and data to a receiving node. The receiving node calculates characteristics of the sending unit, channel, or transmitted signal by processing preamble segments. Once an unknown characteristic is determined, a segment of the preamble can be eliminated or reduced in length for subsequent messages, which increases efficiency of the message transmissions.11-25-2010
20100303098AUTO CODE GENERATION TO GENERATE PACKET HEADER GENERATION LIBRARY FOR SWITCH DIAGNOSTICS - Techniques are disclosed for describing packet headers in a format that can be used by a code generation tool to generate source code that can generate any type of packet header when compiled and invoked within switch/router firmware. Such packet headers may then be used in a variety of switch diagnostic/testing functions. A code generation tool may be configured to receive a description of a packet header in the description format. The packet description language provides an easily used approach for defining fields in a packet header. Further, the code generation tool may be configured to generate packet header library for use by firmware on a network device, e.g., for testing and diagnostic functions.12-02-2010
20130136144METHOD FOR TRANSMITTING/RECEIVING INTERNET-BASED CONTENT AND TRANSMITTER/RECEIVER USING SAME - The present invention relates to a method for transmitting/receiving contents through a network such as the Internet, and to a transmitter/receiver using same, the transmission method comprising: converting content stored in a file format into a delivery format; and transmitting the content converted into the delivery format using an IP packet, wherein the delivery format includes indicator information for expressing whether a program clock reference (PCR) has been transmitted to the IP packet.05-30-2013
20100303097System And Method For Packetizing Image Data For Serial Transmission - A system for packetizing parallel image data for serial transmission includes a software element configured to receive a bitmap image file comprising R, G and B pixel data, receive information relating to display and timing information associated with a device under test, receive a vertical synchronization signal, and receive at least one horizontal synchronization signal, packetize the vertical synchronization signal, wait a period of time before packetizing the horizontal synchronization signal, and packetize the R, G, and B pixel data associated with the bitmap image file to form a parallel packet stream. The system also includes a hardware element comprising a parallel data sequencer comprising a memory, the memory configured to store the parallel packet stream, a parallel-to-serial converter configured to convert the parallel packet stream into a serial packet stream, and a serial line driver configured to transfer the serial packet stream to a device under test.12-02-2010
20100303096Apparatus and mehtods for increased mac header protection - Embodiments of systems and methods for increased media access control (MAC) header protection are generally described herein. Other embodiments may be described and claimed.12-02-2010
20100309930ADAPTATION SCHEME FOR COMMUNICATIONS TRAFFIC - A method of generating a generic framing procedure hierarchy comprising processing a first generic framing procedure frame to determine the overall length of the generic framing procedure frame, mapping the frame into the generic framing procedure payload area of a second generic framing procedure frame at the next level of the generic framing procedure hierarchy, whereby information enabling the size of the generic framing procedure payload remaining after that frame has been extracted is captured in the header fields of the generic framing procedure frame into which the first frame is encapsulated, and wherein the generic framing procedure header indicates whether there are more frames left in the mapping hierarchy when de-encapsulating (i.e., running down) the generic framing procedure frame stack by providing an indicator at level N of the hierarchy that at the level N−1 there is a generic framing procedure frame to extract.12-09-2010
20110002347METHOD AND SYSTEM FOR ENCODING AND DECODING MEDIUM ACCESS CONTROL LAYER PACKET - A method and system for encoding and decoding Medium Access Control (MAC) Protocol Data Units (PDUs) in a MAC layer packet is provided. The method includes receiving a request from a Physical (PHY) layer to transmit the MAC layer packet, wherein the MAC layer packet is transmitted in a predefined number of bytes that is determined in the PHY layer, and filling unfilled portion in the MAC layer packet with at least one fixed pattern in a predefined pattern set when a number of bytes that are unfilled is equal to or greater than 1. The unfilled portion includes total number of bytes that are unfilled in the MAC layer packet. Thereafter, the unfilled portion of the MAC layer packet is filled with a predefined pattern set when the number of predefined bytes is greater than the cumulative size of the available MAC PDUs arranged in the MAC layer packet.01-06-2011
20090067450METHOD AND SYSTEM FOR ENCODING OR DECODING A SEQUENCE OF DIGITAL DATA - A method is provided for encoding and decoding a sequence of digital data, according to which a portion of the sequence of digital data corresponds to a data block that includes several data packets, at least two data packets per data block containing an identifier. The position of the data packet within the corresponding data block can be determined based on the identifier, and the data is encoded or decoded by taking into account the identifier.03-12-2009
20110019694Preamble Generation Method for Random Access in a Wireless Communication System - A method for generating a preamble for a random access in a wireless communication system is provided. The method includes: dividing a preamble sequence into sequence subsets each corresponding to each of a plurality of antennas; and generating a preamble by using the sequence subsets corresponding to each of the plurality of antennas. A method for generating a preamble for a random access supporting multiple antennas in a wireless system can be provided.01-27-2011
20110044355APPARATUS AND METHOD FOR RESTORING NETWORK CLOCK REFERENCE OF TRANSMISSION DATA, AND DATA RECEIVING APPARATUS - A method of reconstructing reference time information of a transmission frame in a digital satellite communication system is provided, including: receiving the transmission frame including reference time information; recording receiving time of start of frames of the plurality of physical layer frames included in the transmission frame; determining receiving time of a start of frame corresponding to the physical layer frames including the reference time information based on the recorded information when the physical layer frame including the reference time information is received; and reconstructing the reference time information based on the determined receiving time information of the start of frame. Network synchronization is stably acquired and maintained during two-way communication even in the satellite communication network environment.02-24-2011
20110243155COMPUTER DEVICE, RECEIVING DEVICE, RECEIVING METHOD, AND COMPUTER READABLE STORAGE MEDIUM STORING INSTRUCTIONS OF A COMPUTER PROGRAM THEREOF - A computer device includes a data packet buffer, an improving quality packet buffer, a correspondence memory, an improving quality processing unit, an operation controller, and a recovered data packet processing unit. The data packet buffer stores data packets of streams. The improving quality packet buffer stores an improving quality packet including a redundant data and identification information. The correspondence memory stores a correspondence between the improving quality packet and the data packets. The improving quality processing unit performs an improving quality processing for recovering the lost data packet by using the redundant data and at least one of the data packets corresponding to the correspondence, in order to obtain a recovered data packet. The operation controller controls the improving quality processing unit to perform the improving quality processing. The recovered data packet processing unit stores the recovered data packet into the data packet buffer.10-06-2011
20100027564Method, Apparatus, And System For Idle State Definition For Power Management - A predetermined network packet is utilized for power reduction in either or both of a transmitter and receiver when information is not needed. Upon detection of the predetermined network packet type, various portions of the transmitter and/or receiver may be clock gated or powered down.02-04-2010
20100027562System and method for effectively transmitting content bursts to electronic devices - A system for supporting a burst transmission procedure includes a burst manager that divides a selected content item into individual content segments. A transmitter then transmits the content segments in a substantially concurrent manner over different corresponding transmission channels. One or more electronic devices receives and stores the transmitted content segments. A content manager of the electronic device performs a reassembly procedure to convert the content segments into the originally-transmitted content item for utilization by a device user.02-04-2010
20100158047URGENT PACKET TRANSMISSION/RECEPTION APPARATUS AND METHOD FOR DIGITAL BROADCAST SYSTEM - An apparatus and method for transmitting/receiving an urgent packet in a digital broadcast system is provided. A packet transmission apparatus of a digital broadcast transmitter includes a buffer which buffers broadcast packets; an urgent packet generator which generates an urgent packet having an urgent packet header indicating the urgent packet when a packet containing urgent data is detected; and a frame generator which generates a frame with the broadcast packets and inserts the urgent packet into the frame, wherein the urgent packet is substituted for one of broadcast packets in the frame.06-24-2010
20090016379Communication apparatus, communication method, and communication system - A physical frame is constructed, the physical frame including a medium access control super-frame payload which in turn includes a plurality of medium access control frames. With respect to the constructed physical frame, virtual carrier sense information is set in the plurality of medium access control frame so that a result of carrier sense is identical to another by virtual carrier sense based on the plurality of medium access control frames in the medium access control super-frame payload. The physical frame in which the virtual carrier sense information has been set is transmitted to a destined communication apparatus.01-15-2009
20110090923METHODS AND DEVICES FOR GENERATING A REORGANIZED TRANSPORT DATASTREAM - Methods and devices are disclosed for generating a reorganized transport datastream from transport data packets of an original transport datastream displaces the first transport data packets contained in an original transport datastream into determined new positions within the reorganized transport datastream. The new positions are determined dependent upon a first data rate at which the first transport data packets of the reorganized transport datastream are stored in second buffers and a second data rate at which the first transport data packets of the reorganized transport datastream are read out from the second buffers.04-21-2011
20100027563EVOLUTION CODES (OPPORTUNISTIC ERASURE CODING) PLATFORM - Systems and methods are provided that allow for the opportunistic erasure coding of data packets by employing an exemplary evolution code. In an illustrative implementation an exemplary computing environment comprises an evolution code engine and an instruction set comprising at least one instruction to instruct the evolution code to process data for communication between two or more components of the exemplary computing environment. The use of evolution coding mitigates packet losses along one or more communication paths. In an illustrative operation, coded packets are created by XOR-ing data packets together such that a coded packet can recover a lost data packet using other received packets.02-04-2010
20090323723Wireless communication apparatus and packet transfer method thereof - A WUSB host (or a WUSB device) transmits a combined information packet and a combined packet to the WUSB device (or the WUSB host). The combined information packet is specified with each packet length of a plurality of packets having a packet length other than a predetermined transfer unit or different packet length. The combined packet is the plurality of packets combined. At this time, the WUSB host transmits the combined information packet to a control endpoint included in the wireless USB device and transmits the combined packet to a bulk OUT endpoint. The WUSB device (or the WUSB host) divides the combined packet into the plurality of packets based on the combined information packet.12-31-2009
20110149998METHOD AND SYSTEM FOR TIMESTAMP INCLUSION IN VIRTUAL LOCAL AREA NETWORK TAG - A method, system and apparatus time-stamp a data frame. The data frame includes a type field and data for transmission to a communication network. The data frame is received and a reception time for the data frame is determined. The value of the type field is determined. If the value of the type field indicates the data frame is a time-stamped frame, a timestamp field is inserted in the data frame. The timestamp field indicates the reception time.06-23-2011
20110150002SYSTEM AND METHOD FOR PREVENTING LEAK OF PERSONAL INFORMATION - Provided are a system and method for preventing a leak of personal information. According to embodiments of the present invention, when a packet includes a field associated with the personal information, information including the field associated with the personal information may be modified, and thereby may prevent the leak of personal information with respect to a traffic-collecting device in an Internet network system.06-23-2011
20090097503METHOD AND SYSTEM FOR TRANSMISSION OF DECODED MULTI-CHANNEL DIGITAL AUDIO IN SPDIF FORMAT - A method and system for processing multi-channel audio data may include selecting one or more SPDIF data frames from a plurality of decoded multi-channel audio data frames. The selected one or more SPDIF data frames, header information corresponding to the one or more SPDIF data frames, and/or one or more channel status bits corresponding to the one or more SPDIF data frames may be packetized. The one or more channel status bits may indicate one or more audio channels for the selected one or more SPDIF data frames. The indication of the one or more audio channels may be stored in at least one multi-channel mode field of the one or more channel status bits. The packetized one or more SPDIF data frames may be from a single audio channel and/or from a plurality of audio channels.04-16-2009
20100008380PROTOCOL PROCESSING APPARATUS AND PROCESSING METHOD THEREOF - A protocol processing apparatus determines a unit size of a bitmap table to be used in reassembly based on the size of a received fragmented IP datagram. A bitmap table is generated according to the determined unit size, and the received fragmented IP datagram is reassembled using the generated bitmap table.01-14-2010
20100054278APPARATUS METHOD AND MEDIUM FOR DETECTING PAYLOAD ANOMALY USING N-GRAM DISTRIBUTION OF NORMAL DATA - A method, apparatus and medium are provided for detecting anomalous payloads transmitted through a network. The system receives payloads within the network and determines a length for data contained in each payload. A statistical distribution is generated for data contained in each payload received within the network, and compared to a selected model distribution representative of normal payloads transmitted through the network. The model payload can be selected such that it has a predetermined length range that encompasses the length for data contained in the received payload. Anomalous payloads are then identified based on differences detected between the statistical distribution of received payloads and the model distribution. The system can also provide for automatic training and incremental updating of models.03-04-2010
20100061403High Efficiency Preambles for Communications Systems Over Pseudo-Stationary Communication Channels - A method includes appending a preamble to a data packet and transmitting the preamble and data packet over a communication channel in the network. The preamble may be a Beacon, Admission, Broadcast, or High-Throughput Preamble. The Beacon Preamble includes the following symbols SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, LS03-11-2010
20110249687System and Method for Forming N0GBASE-T - A system and method for forming N0GBASE-T. In one embodiment, N 10GBASE-T PHYs are matched to a N×10G MAC via a shim layer. The shim layer is designed to distribute data received from a higher rate MAC to multiple lower-rate PHYs on the transmit end, and to collect data received from multiple lower-rate PHYs to a higher rate MAC.10-13-2011
20110176556METHOD AND APPARATUS FOR REDUCING REDUNDANT TRAFFIC IN COMMUNICATION NETWORKS - A capability is provided for reducing or even eliminating redundant traffic in cellular wireless networks. A method is provided for encoding a target packet in a manner for reducing redundancy of information in the target packet. The method includes identifying a region of the target packet that matches a region of a stored packet, removing, from the target packet, the identified region of the target packet from the target packet, and inserting, within the target packet, an encoding key comprising a hash of the stored packet. A method is provided for reconstructing a packet from an encoded packet that is encoded in a manner for reducing redundancy of information in a network. The method includes identifying an encoding key within the encoded packet, wherein the encoding key comprises a hash of a stored packet, retrieving the stored packet using the hash of the stored packet, removing the encoding key from the encoded packet, and inserting information from the stored packet within the encoded packet.07-21-2011
20100135327APPARATUS AND METHOD FOR GENERATING FRAME FOR MPE-FEC DECODING - An apparatus and method for generating frames for MPE-FEC decoding are disclosed. The apparatus for generating frames for MPE-FEC decoding includes: a packet reception unit configured to receive a packet; a packet attribute inspection unit configured to inspect whether or not the received packet forms a header part of a section; and a frame generation unit configured to generate a frame according to different methods depending on whether or not the packet forms a header part of a section.06-03-2010
20100135328SYSTEM AND METHOD FOR HIGH PRECISION CLOCK RECOVERY OVER PACKET NETWORKS - An innovative system and method for achieving high precision clock recovery, i.e. reconstruction of the clock signal having the same frequency, over a packet switched network. The proposed method utilizes a minimum network delay approach, which overcomes the problems caused by delay variation of the network and filters out network jitter, such as noise jitter and other “singular” anomalies causing latency deviations. Minimum network delay is defined herein as the time delay in which a packet remains in the network under assumption that all transmission queues through which the packet passes are empty.06-03-2010
20100135326TECHNIQUE FOR BUNDLE CREATION - Systems and methodologies are described that facilitate creating a packet bundle of Internet Protocol (IP) packets that can be utilized for Just-In-Time (JIT) processing and/or offline processing. In general, upon receipt or detection of incoming IP packets, two or more IP packets can be bundled or packaged together to create a packet bundle. Furthermore, the packet bundle can be created based upon a timer in which a maximum size of the packet bundle and a maximum number of IP packets within a packet bundle can be maintained.06-03-2010
20100135325APPARATUS AND METHOD FOR INSERTING OR EXTRACTING NETWORK TIMESTAMP - Disclosed is a system of transporting multimedia based on network, and more particularly, to an apparatus for inserting, transporting and extracting a timestamp through a network protocol. A network timestamp is transported without changing a preset transport standard such as a UDP, an RTP and a MPEG-2 standard by adding a packet having a timestamp, which is used to compensate for network jitter and used for synchronization, to a packet stream transported through a UDP or an RTP.06-03-2010
20100135324DRIVER LEVEL SEGMENTATION - A method for performing segmentation of a first data packet into a plurality of second data packets at a functionality of a device driver for a network interface device supported by a data processing system, each second data packet comprising a header and a segment of data from the first data packet and the network interface device being capable of supporting a communication link over a network with another network interface device, the method comprising: accepting the first data packet, the first data packet carrying data for transmission by the network interface device over the network; forming a set of headers for the plurality of second data packets; writing the set of headers to memory; forming a specification, the specification indicating the headers in memory and the segments of data in the first data packet; requesting by means of the device driver transmission by the network interface device of the headers and the respective segments of data indicated in the specification so as to effect transmission of the second data packets over the network.06-03-2010
20100135323INTELLIGENT PACKET SLICING - Packets can be intelligently sliced by removing irrelevant portions of a packet, while retaining relevant portions. For a series of network packets, a packet is obtained from the network. The packet includes at least a header, one or more packet fields, and a first data payload. The protocol of the packet is determined. Once the protocol is known, the packet header is parsed to determine the position of the first data payload. Based on the determine positions of the first data payload, a modified packet is created by removing or masking the first data payload.06-03-2010
20090154498METHOD AND APPARATUS FOR REASSEMBLING DOCSIS MAC FRAME IN CABLE MODEM INCLUDING PLURAL RECEIVING CHANNELS - A Data Over Cable Service Interface Specifications (DOCSIS) frame reassembling apparatus and method in a cable modem including a plurality of receiving channels is provided. A method of controlling reassembling of a Media Access Control (MAC) frame, the method including: receiving a signal and outputting a packet signal through demodulation and error correction; receiving the outputted signal and controlling a specific compression format standard header and a point field; receiving packet data and a buffer write enable signal, and writing data in a MAC frame reassembling buffer; storing the data written in the MAC frame reassembling buffer; and reading the stored data from the MAC frame reassembling buffer in response to a received buffer read enable signal and storing the read data in a MAC frame buffer.06-18-2009
20090028188SYSTEM AND METHOD FOR COMBINING MEDIA DATA - A method and computer program product for processing a locally-stored, specific media data file portion to generate a first normalized packetized stream. A remotely-sourced, specific media data stream is processed to generate a second normalized packetized stream. At least a portion of the first normalized packetized stream and at least a portion of the second normalized packetized stream are combined, using a packet loss tolerant stitching algorithm, to generate a loss-compensated media data stream.01-29-2009
20110080922DSL TERMINAL-EXCHANGE DEVICE CONNECTING SYSTEM AND METHOD - A network device includes a media gateway to receive and process a voice over digital subscriber line (VoDSL) communication to generate voice data in a predetermined format; a terminating unit to receive another type of voice communication and output voice data in the predetermined format; and a control unit to receive the generated voice data from the media gateway and the outputted voice data from the terminating unit, where the network device exchanges at least one of the VoDSL communication to the other type of voice communication or the other type of voice communication to the VoDSL communication.04-07-2011
20110075683Communication system and encoding method having low overhead - A communication system processes blocks of input data that include control words and a packet of information words are received. The packet has a start preceded by ones of the control words and an end followed by others of the control words. When the block consists exclusively of information words, a one bit block header having a first sense is appended to the block to form a frame. When the block does not consist exclusively of information words, the block is condensed to accommodate a TYPE word, the TYPE word is generated and inserted into the block and a one bit block header is appended to the block to form the frame. When the block does not consist exclusively of information words the one bit block header has a second sense, opposite to the first sense. Use of a one bit block header reduces overhead. Forward error correction is also utilized.03-31-2011
20120201256RETRANSMISSION IN DATA COMMUNICATION SYSTEMS - Embodiments related to retransmission in data communication systems are described and depicted. In one embodiment, a data packet is received and separated to a plurality of data fragments. Information indicating whether a fragment of the plurality of fragments is to be protected by retransmission is provided or information indicating whether a group of fragments is to be protected by retransmission is provided. A request for retransmission from the second transceiver unit to the first transceiver unit may be generated. Based on the request, one or more identified data fragments may be retransmitted.08-09-2012
20120201257METHOD AND DEVICE FOR OPERATING AND MANAGING MEMORY - A method for operating and managing memory is disclosed in present invention, during the whole transmission process of uplink data in transmission plane protocol layer of General Packet Radio Service (GPRS), only the 1520-bytes global array of Subnet Dependent Convergence Protocol (SNDCP) layer and the 1560-bytes global array of Logic Link Control (LLC) layer are used, so the memory space can be saved effectively; also, because the SNDCP global array is used to store SNDCP data packets and the LLC global array is used to store the LLC data packets, so a dynamic process of memory application releasing on the transmission plane is avoided; moreover, only the data that need to be sent by the LLC are assembled with LLC frame format, thus avoiding useless work of LLC. Moreover, according to the present invention, the memory is operated and managed by way of global array without tedious memory pool operations.08-09-2012
20110150003METHOD AND ARRANGEMENT TO INCREASE THE DATA TRANSMISSION FLOW RATE IN A COMMUNICATION SYSTEM - A method and apparatus to transfer data cells having an overhead section and a payload section via a communication medium from a transmitter to a receiver. Before transfer of a data cell, the overhead section of the data cell is translated into a shortened overhead section, known both on the transmitter and the receiver sides, and upon reception of the data cell, the shortened overhead section is translated again into the overhead section.06-23-2011
20110150001TRANSMITTING SYSTEM AND METHOD FOR TRANSMITTING DIGITAL BROADCAST SIGNAL - A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcast signal includes generating signaling data including a transmission parameter, wherein the transmission parameter includes a protocol version field identifying between a first transmission mode and a second transmission mode, forming a data group including mobile service data and the signaling data, forming mobile service data packets including the mobile service data and the signaling data in the data group, transmitting the digital broadcast signal including the data group.06-23-2011
20110150000METHOD FOR CONFIGURING PREAMBLE FOR COMMUNICATION SYSTEM, PREAMBLER, AND APPARATUS FOR GENERATING PACKET USING THE SAME - Disclosed are a method for configuring a preamble for a communication system in order to effectively use a packet transmission bandwidth, a preambler, and an apparatus for generating a packet using the same. The preambler includes: a mode determining unit receiving frame characteristics information, extracting frame information to be transmitted through a preamble, and determining a transmission mode corresponding with the extracted information; and a code generation unit receiving the transmission mode information which has been determined by the mode determining unit and generating a preamble made up of a combination of sub-preamble code strings corresponding with the transmission mode.06-23-2011
20110149999RECEPTION APPARATUS, RECEPTION METHOD, AND RECEPTION PROGRAM - A reception apparatus is configured to receive data including a plurality of packets each of which has information on a time point when the packet is generated; to extract a terminal packet which is a packet included in the data received and which has information on a time point which is nearest to a current time point; and to control an operation clock by comparing the information on the time point included in the terminal packet with information on an elapsed time obtained by adding information on a time point, which is included in a terminal packet of preceding data, to an elapsed time from when the preceding data is received to the current time point.06-23-2011
20080253398SELECTIVE HEADER FIELD DISPATCH IN A NETWORK PROCESSING SYSTEM - A method and structure is disclosed for dispatching appropriate data to a network processing system comprising an improved technique for extracting protocol header fields for use by the network processor. This technique includes basic classification of a packet according to the types of protocol headers present in the packet. Based on the results of the classification, specific parameter fields are extracted from corresponding headers. All such parameter fields from one or more protocol headers in the packet are concatenated into a compressed dispatch message. Multiple of such dispatch messages are bundled into a single composite dispatch message. Thus selected header fields from N packets are passed to the network processor in a single composite dispatch message, increasing the network processor's packet forwarding capacity by a factor of N. Likewise, multiple enqueue messages are bundled into a single composite enqueue message to direct enqueue and frame alterations to be taken on the bundle of N packets.10-16-2008
20100260205METHOD AND SYSTEM PROVIDING BACKWARD COMPATIBLE ENHANCEMENTS IN DVB-T SYSTEMS - A method and system for providing enhanced encoding and correction capability while retaining backward compatibility with existing DVB-T transport systems is disclosed. The method comprises the steps of encoding a plurality of transport stream bytes into a transport stream matrix, wherein each column of said matrix represents a predetermined number of encoded transport stream bytes and a known number of parity bytes, and encoding said encoded bytes within said columns within corresponding ones of rows of said matrix, wherein a known number of parity bytes are associated with said encoded bytes within said row.10-14-2010
20100260204Traffic Receiver Using Parallel Capture Engines - There is disclosed a method of capturing packets and packet receivers to capture packets. A timestamp may be attached to each packet received from a network. Each timestamped packet may be routed to a capture engine of a plurality of capture engines. Each of the plurality of capture engines may save at least some packets determined to match one or more of a plurality of predetermined capture criteria. A list of contiguously captured packets in time-stamp order may be prepared.10-14-2010
20100098107GENERATING A DATA STREAM AND IDENTIFYING POSITIONS WITHIN A DATA STREAM - Methods and apparatus, including computer program products, for generating a data stream encoded by means of a Variable Length Coding scheme. Code words for a data stream including a plurality of code words are encoded in accordance with a Variable Length Coding scheme. A separation marker is inserted between encoded data blocks in the data stream.04-22-2010
20100080247Reassembly of service data units in communications system - The solution relates to reassembling RLC service data units. In the method, received RLC protocol data units in an RLC reception buffer are sequenced according to respective sequence numbers to form a protocol data unit sequence. On the basis of the sequencing, it can be detected if one or more protocol data units are missing from the sequence. If one or more protocol data units are missing, the method comprises checking if the segments for at least one full service data unit are included in the received protocol data units. If the segments for at least one full service data unit are included in the received protocol data units, a reassembly of the at least one full service data unit is executed, and the reassembled service data unit is provided in sequence from the radio link control layer to an upper protocol layer.04-01-2010
20090245285Method for Data Packet Substitution - A system and method for substituting data packets into a data stream, is provided. In one embodiment, the data stream is a video data stream. The system includes packet buffers, a multiplexer, a packet substitution controller, a direct memory access (DMA) engine and a link list buffer controller. A method is also provided for substituting data packets - containing information of the same or different type—into a video data stream at variable rates using a selection mechanism driven by link list buffer control.10-01-2009
20090022179SYSTEM AND METHOD FOR IMPROVING THE USE OF RADIO SPECTRUM IN TRANSMISSION OF DATA - System and method for improving the use of radio spectrum in transmission of data, according to which the payload information of any known line interface is divided into a plurality of data portions of smaller which are then grouped into packets so as to be subsequently radio transmitted. For transmission of such packets, suitable radio channels are selected. The invention also relates to reception of such radio channels having such packets incorporated therein, wherein the received packets are then transformed into payload information for inputting into corresponding line interfaces.01-22-2009
20080304518Network device for embedding data in a data packet sequence - Techniques for embedding selected data in a data packet sequence are disclosed. Accordingly to one embodiment, a network device is deployed in an in-line fashion, preferably at a data traffic point along a network. Depending on the constraints of data packets in a data packet sequence from a website, the network device is configured to modify some of the data packets or fabricate new data packets to embed the selected data in the data packet sequence. By keeping the headers of the data packets substantially identical, changes to a data packet or addition of a new data packet become transparent to users as well as to the website.12-11-2008
20110211591REASSEMBLY OF MINI-PACKETS IN A BUFFER - A system comprises a processor, a reassembly buffer that receives mini-packets, and at least one data structure that comprises bits. The bits indicate the presence or absence of each of the mini-packets in the reassembly buffer and further indicate whether one of the mini-packets is a final mini-packet in a series of the mini-packets. The processor uses the bits to determine whether all mini-packets forming the series are present in the reassembly buffer. As a result of the determination, the processor causes the series to be read from the reassembly buffer.09-01-2011
20110255558INTERFACE APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING MEDIA DATA - An interface for providing a media service is provided, the interface including an encapsulation layer for encapsulating coded media data; a delivery layer for transmitting the encapsulated media data to another entity; and a control layer for controlling transmission of the media data.10-20-2011
20110255557Coexistence of Prime, S-FSK and G3 Devices in Powerline Communications - Communication devices, such as base nodes and modems, that comply with two or more different standards operate on a shared communication channel. To avoid mutual interference, a base node operating under a first standard reserves time using a contention free period designation. The base node allows devices operating under a second standard to communicate during the reserved time by not assigning the contention free period to another device operating under the first standard. Alternatively, a device using the first standard may avoid interference from transmissions generated under the second standard by modifying data packets prior to transmission. A prefix corresponding to a preamble in the second standard is added to the beginning of the data packet created under the first standard. Devices operating under the second standard observe the prefix and recognize that the channel is active. The second-standard devices backoff from transmission thereby minimizing interference.10-20-2011
20080259959METHOD FOR CARRYING FRAME RELAY OVER ETHERNET - A method for carrying Frame Relay over Ethernet comprises: receiving a Frame Relay frame, and removing header and tail flag sequences from the Frame Relay frame; determining a control word and performing payload encapsulation; mapping a DLCI to a VCE ID and encapsulating the VCE ID; encapsulating an Ethernet frame header, generating an Ethernet FCS and transmitting the Ethernet frame to Ethernet; and, receiving the Ethernet frame, checking the Ethernet frame and removing the Ethernet frame header; removing the VCE ID, and mapping the VCE ID to the DLCI; obtaining the control word, obtaining Frame Relay information from the payload and reconstructing the Frame Relay frame according to the control word; adding flag sequences to the Frame Relay frame, and transmitting the Frame Relay frame to a Frame Relay network. According to the invention, Frame Relay carried over Ethernet may be implemented without relying on the types of the upper layer protocols.10-23-2008
20080205448SERIAL INTERFACE CIRCUIT AND SERIAL RECEIVER - A serial interface circuit includes a plurality of serial transmitters for a plurality of channels, respectively; and a plurality of serial receivers provided for said plurality of channels and connected with said plurality of serial transmitters, respectively. Each of said plurality of serial transmitters transmits a serial signal. Each of said plurality of serial receivers includes a receiver circuit configured to convert the serial signal into a data sequence; n (n is an integer more than 1) register groups configured to shift the data sequence; a data processing circuit configured to perform a data process on said data sequence based on n outputs of said n register groups and a detection result; and a header detecting circuit configured to detect a header of the data sequence when said b register groups from a first register group to a b08-28-2008
20110134939METHOD FOR PROCESSING TLV FORMAT OF COMMUNICATION DATA - The present invention provides a method for processing a TLV format of communication data, including the following steps: defining a type T of an integer type in an ASN.1 format; a sending side filling in a message in the ASN.1 format, with the message including a data structure example; and the sending side encoding the message into a code stream, wherein the code stream of the data structure example in the message includes a V, or includes an integer type of the V, a L of the V, and the V. The present invention can realize intercommunication among different versions of the ASN. 1.06-09-2011
20110134938SYSTEM AND METHOD OF DECOUPLING MEDIA ACCESS CONTROL (MAC) AND PHYSICAL (PHY) OPERATING LAYERS - A layered operating system architecture enables decoupling of a media access control (MAC) layer from a physical (PHY) layer. The decoupled MAC and PHY layer removes responsibility from the MAC layer with respect to understanding network resources, network space and network scheduling and allocation demands when processing data for transport over a network. The MAC layer may instead operate according to an allocation scheduled provided by a convergence layer responsible for understanding the varying conditions and demand attendant to supporting communications over the network.06-09-2011
20110128974SYSTEM, APPARATUS, AND METHODS FOR INSERTING INFORMATION INTO CAPTURED DATA PACKETS - Systems, apparatus, and methods for inserting information into a captured data packet included in a traffic flow of captured data packets are herein disclosed. Exemplary information inserted into a capture data packet includes a data segment, a time stamp, port stamp, a virtual local area network (VLAN) tag, Gateway General Packet Radio Service (GPRS) Tunneling Protocol (GTP) information, and multi-protocol label switching (MPLS) information.06-02-2011
20110261840INTERMEDIATE WRITE OPERATION DISPERSED STORAGE NETWORK FRAME - A method begins by a processing module generating a payload of a dispersed storage network (DSN) frame regarding an intermediate write request operation by generating one or more transaction number fields of the payload to include one or more transaction numbers corresponding to a write request operation, wherein the intermediate write request operation is associated with the write request operation. The method continues with the processing module generating a protocol header of the DSN frame by generating a payload length field of the protocol header to include a payload length that represents a length of the one or more transaction number fields and generating remaining fields of the protocol header.10-27-2011
20110261839WRITE OPERATION DISPERSED STORAGE NETWORK FRAME - A method begins by a processing module generating a payload of a dispersed storage network frame by generating a transaction number field to include a transaction number corresponding to a write request operation and generating one or more slice payload sections, wherein each slice payload section includes generating a slice name field to include a slice name corresponding to an encoded data slice, generating a slice revision numbering field to include a revision number of the slice name, generating a slice length field to include a length of the encoded data slice, and generating a slice payload field to include the encoded data slice. The method continues with the processing module generating a protocol header by generating a payload length field including a payload length representing length of the transaction number field and length of the one or more slice payload sections and generating remaining fields of the protocol header.10-27-2011
20110261838DISPERSED STORAGE NETWORK FRAME PROTOCOL HEADER - A method to generate a protocol header of a dispersed storage network (DSN) frame begins by a processing module generating a protocol class field and generating a protocol class version field. The method continues with the processing module generating an operation code (opcode) field and generating a request/response field. The method continues with the processing module generating a request number field and generating a payload length field. The method continues with the processing module outputting, in order, the protocol class field, the protocol class version field, the opcode field, the request/response field, the request number field, and the payload length field.10-27-2011
20110255556METHOD FOR TRANSPORT STREAM SYNCHRONIZING IN A MULTIPLEXER COMPRISING AN EXTERNAL CORPOCESSOR - The present invention relates to a method for synchronizing a plurality of input transport streams into an output transport stream in a multiplexing device, at least one input stream being modified by an external audio/video coprocessor before multiplexing. The external audio/video coprocessor and the multiplexing device have no common time reference. To avoid having to resynchronise the input stream coming from the external coprocessor, it is proposed according to the invention to transmit, with at least one transport packet of said input stream transmitted to the external coprocessor, an item of ‘synchronisation’ information based on the input timestamp of said transport packet at the multiplexer input. Application: production and broadcasting of television programme packages.10-20-2011
20110164623Parallel packet transmission - Disclosed is a modulation method, comprising dividing a series of data bits into a plurality of contiguous blocks; composing each block into a corresponding parallel packet; mapping one or more bits from each parallel packet into a corresponding data symbol; and modulating the data symbols onto respective subcarriers of an OFDM symbol.07-07-2011
20110096797TRAINING SEQUENCE INDICATION FOR WLAN - In a method for generating a preamble of a data unit for transmission via a multiple input, multiple output (MIMO) communication channel, a first field of the preamble is generated. The first field provides a plurality of indicators to a plurality of receivers. Each one of the plurality of indicators indicates a set of a plurality of training sequences that corresponds to transmission of the data unit to a corresponding one of the plurality of receivers. The plurality of training sequences is included in a second field of the preamble. The preamble is formatted such that the first field of the preamble will be transmitted prior to the second field of the preamble being transmitted.04-28-2011
20110096796NUMBER OF STREAMS INDICATION FOR WLAN - In a method for generating a preamble of a data unit for transmission via a communication channel, an indication of a first number of spatial or space-time streams is included in a first field of the preamble. The first number of spatial or space-time streams corresponds to transmission of the data unit to a first receiver. One or more training sequences are included in a second field of the preamble. The preamble is formatted such that the first field of the preamble will be transmitted prior to the second field of the preamble being transmitted.04-28-2011
20110096795METHOD FOR CONTENTION RESOLUTION IN TIME-HOPPING OR FREQUENCY-HOPPING - The invention is related to a method of transmitting data, whereby a transmission channel towards an access point is shared among a plurality of users. The data is transmitted by using a multiple access frame divided in logical slots. According to the invention each data packet is divided into k units which are decoded by an (n,k) decoder, producing n−k redundant units. The n units are transmitted within a multiple access frame in n different slots according to a time-hopping pattern, a frequency-hopping pattern or a combination of both. Thereby, the positions of the n units composing a data packet are written in a header appended to each unit.04-28-2011
20100215057Canonical Scheduling for Heterogeneous Content Delivery - Described are computer-based methods and apparatuses, including computer program products, for canonical scheduling for heterogeneous content delivery. A content stream of bits is preprocessed by dividing the content stream of bits into data packets and assigning a timestamp to each data packet. The preprocessed content stream of bits is transmitted upon request from a receiver. A second timestamp based on the assigned timestamp from at least a portion of the respective data packets is established. The data packets are scheduled for transmission based on the second timestamp. The data packets are transmitted based on the schedule.08-26-2010
20100166018Method for generating multimedia files intended to be transmitted by packets in a peer-to-peer network - The present invention relates to a method for generating multimedia files intended to be transmitted via a peer-to-peer network by packets of the same size, each of these multimedia files being obtained from an intermediary file comprising: 07-01-2010
20100166016PACKET HEADER STRUCTURE - The present invention relates to a data packet header comprising a first bit field consisting of a first sequence of bits with identical values and a second bit field consisting of a second sequence of bits, the second sequence of bits being subject to a run-length restriction, and located immediately after the first sequence of bits in the order of transmission. The number of bits in the first sequence is equal to or exceeding the run-length restriction and the bits of the second sequence have opposite identical values to the value of the first bit of the second sequence of bits. The invention equally relates to a correlator for detecting a data stream and arranged to determine a correct clock phase for the data stream.07-01-2010
20100067549Information Acquisition Device and Method - A device includes a storage unit that stores in a predetermined unit an identifier acquired from a packet transmitted from a transmitting device in association with a source address. The transmitting device receives from each terminal device connected communicatable via a network a packet including a source address, an identifier generated by adding a numerical value every time a packet is sent by the terminal device, and a session ID, and converts and transmits the source address. The transmitting device and the terminal device are connected to the device via a different network. The device also includes a determining unit that determines whether the identifier stored has monotonically increased; and a detector that detects a source indicated by a certain source address to be the transmitting device, if the determining unit determines that the identifier for the certain source address has not monotonically increased.03-18-2010
20100067548DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The receiving system of the digital broadcasting system includes a baseband processor, a first handler, a second handler, and a storage unit. The baseband processor receives a broadcast signal including mobile service data and main service data. Herein, the mobile service data may configure an RS frame, and the RS frame may include the mobile service data and first signaling information of a first data type on the mobile service data. The first handler parses the first signaling information received from the RS frame, converts parsed data elements of the first data type to a second data type, and merges multiple identification information of the parsed first data type, thereby generating identification information of the second data type. The second handler receives second signaling information of the second data type on the mobile service data, the second signaling information including at least one fragment, uses the identification information of the second data type included in the first handler to search at least one fragment within the second signaling information, and maps data elements received through the searched fragment with the data elements converted to the second data type.03-18-2010
20110051747SHORT AND LONG TRAINING FIELDS - A method includes receiving a first plurality of symbols comprising complex portions. The method further includes applying conjugate symmetry to the first plurality of symbols, producing a second plurality of symbols comprising no complex portions. The method further includes transforming the second plurality of symbols using an inverse fast Fourier transform, producing a third plurality of symbols. The method further includes interpolating the third plurality of symbols, generating a short training field comprising at least one real portion of the third plurality of symbols, generating a long training field comprising at least one real portion of the third plurality of symbols, and transmitting the short training field and long training field in a WPAN.03-03-2011
20110051746METHOD AND APPARATUS FOR GENERATING DATA FRAME, AND METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING DATA FRAME IN WIRELESS COMMUNICATION SYSTEM - A method for generating a data frame in a wireless communication system includes generating a plurality of first headers having information about the number of segments of a payload, generating a plurality of second headers having information about a transmission mode and a length of predetermined segments among segments of the payload, generating a third header having a transmission mode and a length of remaining segments of the payload; generating a fourth header having supplementary information of the payload and error information of the supplementary information and the first to third headers or error information of the supplementary information and the third header; and generating a data frame with the first to fourth headers sequentially allocated.03-03-2011
20110051745METHOD OF ENCAPSULATING DATA IN DIGITAL SATELLITE COMMUNICATION SYSTEM, AND DATA TRANSMISSION APPARATUS THEREFOR - Provided is a satellite network communication system based on Second Generation Digital Video Broad-casting via Satellite (DVB-S2). A method for encapsulating transmission data in a digital satellite communication system includes: determining whether a time at which a reference time information packet has to be inserted into a packet data unit is arrived, in the digital satellite communication system; and if the time at which the reference time information packet has to be inserted into the packet data unit is arrived, transforming the packet data unit in the form of a baseband data packet including the reference time information packet. Therefore, by allowing transmission of Network Clock Reference (NCR) information in a satellite communication environment based on Generic Steam Encapsulation (GSE), bidirectional satellite communications are possible.03-03-2011
20110188517METHOD AND APPARATUS FOR DETERMINING TRANSMIT POWER - A method and an apparatus for determining transmit power are disclosed. The method includes: determining an E-DPDCH gain factor in compressed mode according to the number of E-DPDCH required for initial transmission of data; and determining transmit power of E-DPDCH according to the E-DPDCH gain factor in compressed mode. The E-DPDCH gain factor in compressed mode is determined according to the number of E-DPDCH required for initial transmission of data, and therefore, the E-DPDCH gain factor in compressed mode is determined accurately, the transmit power of E-DPDCH is determined accurately according to the E-DPDCH gain factor, the waste of transmit power of E-DPDCH is reduced, and therefore the system capacity is improved.08-04-2011
20110188516WIRELESS COMMUNICATIONS PROVIDING INTEROPERABILITY BETWEEN DEVICES CAPABLE OF COMMUNICATING AT DIFFERENT DATA RATES - A method, wireless mesh network and processor-readable storage medium for providing interoperability between devices that are capable of communicating at different data rates are disclosed herein. A start-of-frame delimiter token value in a synchronization header is used to indicate a data rate at which a device is capable of communicating. In certain embodiments, samples are collected around a bit transition and are used to adjust a bit timing of a receiving device to match a bit timing of a transmitting device using a coarse adjustment process and, in some embodiments, a fine adjustment process. In this way, compatibility can be maintained between new devices that can communicate at a relatively fast data rate and legacy devices that communicate at a lower data rate.08-04-2011
20110216782DATA TRANSFER DEVICE AND DATA TRANSFER SYSTEM - A transfer device according to an embodiment transfers blocks generated by dividing a frame into pieces of data and adding a synchronization header each of the pieces of data. The blocks comprise a first, second and third blocks in this order. The transfer device is configured to acquire a first synchronization header in the first block, a second synchronization header in the second block and a third synchronization header in the third block, judge, in a case where a value of the second synchronization header is incorrect, as to whether or not the value of the second synchronization header can be estimated based on the first and the third synchronization headers so that the second block is consistent with the first and third blocks, and correct the second synchronization header into the estimated value.09-08-2011
20110216783SENDING APPARATUS, RECEIVING APPARATUS, AND TRANSMISSION SYSTEM - A transmission system is provided in a synchronous network, for establishing synchronization with a degree of precision and at a speed being comparable levels as a conventional technique, and further decreasing the probability of out-of-synchronization occurrence. In the present invention, a synchronization signal is detected without performing error correction until synchronization is established, and after the synchronization is established, it is monitored whether or not out-of-synchronization occurs, according to the synchronization signal that has been subjected to the error correction.09-08-2011
20120147901COMPACTED BINARY IDENTIFIER GENERATION - A technique for generating a compacted binary identifier includes breaking an original binary identifier into equal parts. Each bit of a first one of the parts is exclusive ORed with a start-up value to generate a first result. Each bit of the first result is exclusive ORed with a respective bit of a second one of the parts to generate a second result.06-14-2012
20120307842TRANSPORT STREAM PACKET HEADER COMPRESSION - A demultiplexer 12-06-2012
20100085985Transmission of Physical Layer Signaling in a Broadcast System - Aspects of the invention provide apparatuses, computer media, and methods for supporting the broadcast of signaling data over a network. Signaling data is encoded, partitioned into M signaling segments, and distributed over M corresponding data frames. A data stream with the partitioned signaling data is transmitted through a digital terrestrial television broadcasting system, where the partitioned signaling data may include physical layer configurable data. The number of distributed signaling segments may be determined from a predetermined value or from a parameter contained in pre-signaling data. The number of physical layer pipes supported by signaling data may be increased by separating the static signaling part and the dynamic signaling part, dividing static signaling part into signaling segments, and interleaving the signaling segments over the data frames. The number of physical layer pipes can be further increased by adding at least one P04-08-2010
20100124238METHOD AND APPARATUS FOR FORMING SUPERFRAME FOR QoS AND MULTIPLE LINK CONNECTIONS IN LOW-RATE WIRELESS NETWORK - Provided is a method and apparatus for forming a superframe in a low-rate wireless personal area network. The structure of an IEEE 802.15.4 superframe is extended to support QoS by increasing the number of GTSs and to minimize waste of a bandwidth through the precise resource reservation although the SO value increases. Thus, since more efficient resource reservation is available compared to an existing IEEE 802.15.4 and the number of GTSs to be assigned is increased to a maximum of 127, simultaneous multiple link connections to more number of devices are available.05-20-2010
20130010808SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS - Methods and apparatus are provided for inserting data symbols and pilot symbols in an OFDM (orthogonal frequency division multiplexing) transmission resource utilizing frequency hopping patterns for the data symbols and/or the pilot symbols. Data symbols and pilot symbols are allocated for down link (base station to mobile station) and up link (mobile station to bases station) transmission resources in a two-dimensional time-frequency pattern. For each antenna of a MIMO-OFDM (multiple input multiple output OFDM) communication system, pilot symbols are inserted in a scattered pattern in time-frequency and data symbols are inserted in an identical frequency-hopping pattern in time-frequency as that of other antennas.01-10-2013
20120039343METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change.02-16-2012
20120039342ARRANGEMENT AND METHOD FOR IMPROVING HARQ FEEDBACK IN TELECOMMUNICATION SYSTEMS - A method for execution on an apparatus configured to operate in a telecommunications network comprising a processor, wherein said processor is configured to execute said method, said method comprising encoding a plurality of uplink feedback information elements for carrier aggregation, by a set of codewords where each codeword comprises a channel, wherein at least two information elements have the same channel distribution.02-16-2012
20100220746METHOD FOR INVERSE MULTIPLEXING - A method for multiplexing digital data, wherein a packet of digital data is simultaneously sent from front to rear and from rear to front. Additionally, a method for multiplexing digital data, wherein a packet of digital data is simultaneously sent from the beginning of the packet towards the end and from the end towards the beginning. Additionally, a method for multiplexing digital data, wherein simultaneously a packet of digital data is sent and the same packet is sent backwards.09-02-2010
20100067547Frame generating device - A frame generating device includes an inserting portion and an accommodating portion. The inserting portion inserts a first fixed stuff byte and a second fixed stuff byte into a payload area of an OTU frame, the first fixed stuff byte being of (8+10n (“n” is zero or a given positive integer))×4 rows, the second fixed stuff byte being of a given byte×4 rows, the given byte being equal to zero or more and being equal to (24−10n) or more. The accommodating portion accommodates Ethernet signal in the payload area other than the first fixed stuff byte and the second fixed stuff byte.03-18-2010
20110064094SIGNAL PROCESSING APPARATUS AND METHOD, RECORDING MEDIUM AND PROGRAM - A signal processing apparatus capable of minimizing the required processing so that a data packet containing a described discontinuity information table can be inserted preferably in a transport stream (partial stream). In this apparatus, a stream layer model storage has a model of the table to be stored in a DIT (Discontinuity Information Table) packet indicating a discontinuity point of a stream layer. A DIT packet insertion controller refers to the information set in an insertion timing setting register and, upon arrival of the timing to insert the DIT packet, the information preset in a description contents setting register is inserted into the model to thereby generate the DIT packet, and then the generated packet is inserted at the discontinuity point of the transport stream (partial stream).03-17-2011
20110064093METHOD AND APPARATUS FOR CONTROLLING DATA COMMUNICATION SESSIONS - A highly scalable in-band mechanism for updating the state information in flows associated with new or ongoing sessions in a data communications network. The method addresses past scalability issues by using the inherent packet forwarding and flow state capabilities of a networking device to also perform configuration and event response updates to the flow's state information.03-17-2011
20110317721DIFFERENTIAL DELAY COMPENSATION - In one embodiment, a method comprises receiving a plurality of data frames representing at least one virtually concatenated data stream, storing the plurality of data frames in a memory; and recording, for each of a plurality of data frames, a physical write address that indicates a position in the memory and a virtual write address that includes a multiframe indicator and a byte number indicator.12-29-2011
20110317720System and Method for Parsing Frames - A system for parsing frames including a first cell extraction circuit (CEC) configured to identify a first cell from a first frame, a first parser engine operatively connected to the first CEC, where the first parser engine is configured to generate a result based on the first cell, and a first forwarding circuit operatively connected to the first parser engine and configured to forward the result, where the first CEC, the first parser engine, and the first forwarding circuit are associated with a first frame parser unit.12-29-2011
20100061402MODIFIED PREAMBLE STRUCTURE FOR IEEE 802.11A EXTENSIONS TO ALLOW FOR COEXISTENCE AND INTEROPERABILITY BETWEEN 802.11A DEVICES AND HIGHER DATA RATE, MIMO OR OTHERWISE EXTENDED DEVICES - A modified preamble is used by extended devices that operate at higher rates, MIMO or other extensions relative to strict 802.11a-compliant devices. The extended devices might use multiple antenna techniques (MIMO), where multiple data streams are multiplexed spatially and/or multi-channel techniques, where an extended transmitter transmits using more than one 802.11a channel at a time. Such extensions to IEEE 802.11a can exist in extended devices. The modified preamble is usable for signaling, to legacy devices as well as extended devices, to indicate capabilities and to cause legacy devices or extended devices to defer to other devices such that the common communication channel is not subject to unnecessary interference. The modified preamble is also usable for obtaining MIMO channel estimates and/or multi-channel estimates. The modified preamble preferably includes properties that facilitate detection of conventional and/or extended modes (“mode detection”) and provides some level of coexistence with legacy IEEE 802.11a devices.03-11-2010
20090135853METHOD AND SYSTEM FOR SHORTENING THE LENGTH OF TIME GAPS BETWEEN DATA UNITS IN A DATA SWITCHING NETWORK - A method for shortening the length of time gaps between data units in a data switching network; the method comprising: arranging a group of K data units received consecutively at an input of a first device in K time units, where K is a positive integer; sending the arranged K data units to the inputs of M devices, where M is a positive integer; transferring a group of H05-28-2009
20100002727Inverse Multiplex Protocol - The invention relates to inverse multiplexing within telecommunication, and in particular to a versatile inverse multiplex protocol comprising associated state machines and a method for using this protocol allowing a high speed link to be distributed via an inverse multiplexer into a number of lower speed connections in pursuance to G.704 recommendations and using Sa bits.01-07-2010
20090245284ENCODING AND DECODING OF CONTROL INFORMATION FOR WIRELESS COMMUNICATION - Techniques for sending control information in a wireless communication system are described. In one design, a user equipment (UE) may map first information (e.g., CQI information) to M most significant bits (MSBs) of a message and may map second information (e.g., ACK information) to N least significant bits (LSBs) of the message if the second information is sent, where M≧1 and N≧1. The UE may encode the message with a block code, e.g., encode the M MSBs with the first M basis sequences of the block code and encode the N LSBs with the next N basis sequences of the block code. The second information may include N ACK bits. The UE may set each ACK bit to a first value for an ACK or to a second value for a NACK. The second value may also be used for discontinuous transmission (DTX) of ACK information.10-01-2009
20120008644DATA COMMUNICATION SYSTEM, DATA TRANSMITTING APPARATUS, DATA TRANSMITTING METHOD, AND METHOD FOR DETERMINING PACKET SIZE AND REDUNDANCY - A data communication system includes a data transmitting apparatus and a data receiving apparatus. The data transmitting apparatus includes a packetizing section that generates data packets, an encoding section that performs redundant encoding on the data packets in predetermined time units and generates encoded blocks, a data transmitting section that transmits each encoded block to the data receiving apparatus, a data-size acquiring section that acquires a data size of transmission data in each predetermined time unit, and a packet-size determining section that, on the basis of the acquired data size, in each predetermined time unit, determines a packet size of each data packet. The data receiving apparatus includes a data receiving section that acquires data packets of the transmission data by receiving each encoded block transmitted, and a depacketizing section that analyzes the data packets of the acquired transmission data and reconfigures the transmission data.01-12-2012
20120008643Cyclic Shift Delays In Multi-User Packets With Resolvable Very High Throughput Long Training Fields (VHTLTFs) - A system including a training field generator module, a stream generator module, and a cyclic shift delay module. The training field generator module generates training fields to be transmitted in a packet to client stations. The stream generator module generates streams to be transmitted in the packet. First streams (i) are designated for a first client station and (ii) include the training fields. Second streams (i) are designated for a second client station and (ii) include the training fields. The cyclic shift delay module applies cyclic shift delay values to the streams. First cyclic shift delay values are respectively applied to the first streams. Second cyclic shift delay values are respectively applied to the second streams. At least one of the second cyclic shift delay values is equal to one of the first cyclic shift delay values. Alternatively, the second values are different than the first values.01-12-2012
20120014396METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING MULTIPLEXED PACKET STREAM OVER SINGLE TRANSMISSION CHANNEL - A method for transmitting a main packet stream generated by multiplexing a plurality of substreams, using a single transmission channel, includes packeting each of the plurality of substreams and generating substream packets; allocating substream sequence information to the substream packets according to a sequence in which the substream packets are generated; allocating main packet stream sequence information to the substream packets according to a sequence in which the substream packets are inputted; and multiplexing inputted substream packets and generating the main packet stream.01-19-2012
20080310451Splitting of a Data Stream - The present invention relates to a method of splitting a data stream into packets which comprise either only video units or only non-video units in order to better enable the enhancement of a displayed video stream using IFD without causing any audio artifacts. The gist of the present invention is the insight and the realisation of splitting the data stream into smaller packets than is customary. Thus it becomes possible to produce packets comprising either video units or non-video units, and in case of video units, packets pertaining to only one video frame.12-18-2008
20120027029SYSTEM AND METHOD FOR OFFLOADING PACKET PROTOCOL ENCAPSULATION FROM SOFTWARE - A method is provided for offloading packet protocol encapsulation from software. In operation, pointer information is received. Furthermore, packet protocol encapsulation is offloaded from software by assembling packets in hardware, using the pointer information.02-02-2012
20120063470INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD AND INFORMATION PROCESSING PROGRAM - An information processing apparatus includes a receiving part receiving a packet from a communication line; an arithmetic processing part configured to stop an operation in an energy conservation mode, a filter part configured to allow a response required packet to pass through the filter part; a packet retaining part retaining the packet passing over the filter part; and a power source administrating part activating the arithmetic processing part by supplying electric power when the packet is received by the receiving part, wherein if the packet retaining part retains an incomplete packet at a time of activating the arithmetic processing part, the arithmetic processing part generates a packet information piece associating the incomplete packet and a corresponding complete packet as a list and stores the packet information piece to a list storing part.03-15-2012
20090135852Facilitating intelligent marking and discarding of MPEG video packets in IP packet stream - A computer-implemented method comprises a plurality of operations. An operation is performed for creating an IP packet containing MPEG (Moving Picture Experts Group) packets therein and having a header including a value computed using a respective bit value of each one of the MPEG packets. Thereafter, an operation is performed for analyzing the computed value to determine an importance of the MPED packets relative to decoded video quality of a video stream including the MPEG packets.05-28-2009
20120155495PACKET ASSEMBLY MODULE FOR MULTI-CORE, MULTI-THREAD NETWORK PROCESSORS - Described embodiments provide for processing received data packets into packet reassemblies for transmission as output packets of a network processor. A packet assembler determines an associated packet reassembly of data portions and enqueues an identifier for each data portion in an input queue corresponding to the packet reassembly associated with the data portion. A state data entry corresponding to each packet reassembly identifies whether the packet reassembly is actively processed by the packet assembler. Iteratively, until an eligible data portion is selected, the packet assembler selects a given data portion from a non-empty input queue for processing and determines if the selected data portion corresponds to a reassembly that is actively processed. If the reassembly is active, the packet assembler sets the selected data portion as ineligible for selection. Otherwise, the packet assembler selects the data portion for processing and modifies the packet reassembly based on the selected data portion.06-21-2012
20120155493Method for Data Transmission in an Automation System Using Dynamic Frame Packing - A method for data transmission in an automation system from a second field device via a first field device to a receiver, wherein, at the first field device, a first data subframe is created, a second data frame is received from the second field device, and a first data frame including the first and the second data subframe is sent correctly-timed by Dynamic Frame Packing to the receiver. In the event the second data subframe is unable to be appended directly to the first data subframe at the latest after the correctly-timed sending of the first data subframe, the sending of the first data frame is shifted by a time value, where the time value is calculated so that immediately after the sending of the first data subframe, the second data subframe is able to be appended directly to the first data subframe.06-21-2012
20120155494BIDIRECTIONAL PACKET FLOW TRANSFORMATION - A network packet includes a packet key that includes one or more source-destination field pairs that each include a source field and a destination field. For each selected source-destination field pair, first and second sections are selected in the packet key. A source field value is extracted from the source field and a destination field value is extracted from the destination field. For each source bit of the source field value: a destination bit is selected from the destination field; an OR logic function is applied to the source bit and the destination bit to generate a first resulting value stored at the same bit position as the source bit in the first section; an AND logic function is applied to the source bit and the destination bit to generate a second resulting value stored at the same bit position as the source bit in the second section.06-21-2012
20120155492Data Path for Data Extraction From Streaming Data - A data path for streaming data includes a plurality of sequential data registers, each of the plurality of sequential data registers comprising a plurality of data fields, wherein the streaming data moves sequentially through the sequential data registers; and a multiplexing unit, the multiplexing unit configured such that the multiplexing unit has access to each of the plurality of data fields of the plurality of sequential data registers, and wherein the multiplexing unit is configured to extract data from the streaming data as the streaming data moves through the sequential data registers in response to a data request.06-21-2012
20120300791DIGITAL BROADCASTING RECEIVING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting receiving system and method is disclosed. In the data processing method, a known data sequence is tuned so as to be received, when the known data sequence is periodically inserted in valid data and transmitted. Then, the timing error is detected by using a correlation characteristic of the received known data sequence. Thereafter, a timing clock that is in proportion to the detected timing error is created, thereby interpolating the received data.11-29-2012
20120300790MEMORY SAVING PACKET MODIFICATION - The method includes creating a master copy of a header for all packets of a data transmission event, the master copy including a plurality of intact constant header information, the plurality of intact constant header information being constant for all packets of the data transmission event, storing unique header information for all packets of the data transmission event, the unique header information including information unique to at least one packet of the data transmission event, tokenizing identities of each packet of the data transmission event to create a tokenized packet ID for each packet, and indexing the stored unique header information based on the tokenizing. A computer program product for directing a computer processor to perform a method. According to the method, at packet read-time, unique header information associated with the packet is overlayed onto the master copy to create a unique packet.11-29-2012
20100172375IP HEADER COMPRESSION CONTEXT IDENTIFIER SYNERGISM - Various exemplary embodiments relate to a method and related network node including one or more of the following: establishing a plurality of flows; assigning a context identifier to each flow, wherein a length of each context identifier for a first subset of the flows is a first number of bits and a length of each context identifier for a second subset of the flows is a second number of bits greater than the first number of bits; receiving a packet associated with a new flow, wherein a value of a context identifier assigned to the new flow must fit within the first number of bits; determining that the context identifiers for the plurality of flows have occupied all values within the first number of bits; assigning a context identifier of an existing flow to the new flow; and assigning a new context identifier to the existing flow.07-08-2010
20100172376Apparatus And Method For Constructing A Data Unit That Includes A Buffer Status Report - An apparatus and method for constructing a data unit that includes a buffer status report (BSR) such that when BSR triggering is performed, the size(s) of the necessary sub-header(s) are also to be considered together in addition to the BSR size. There is a checking unit that checks whether any padding region is available in a MAC PDU that was constructed, a comparing unit that compares the number of padding bits with the size of a buffer status report (BSR) plus its sub-header, and a processing unit that cooperates with the checking unit and the comparing unit to trigger a buffer status report (BSR) procedure if the number of padding bits is larger than the size of the BSR plus its sub-header, including the BSR and its sub-header in the MAC PDU, and setting an LCID in the sub-header to indicate a BSR is included, the BSR having been triggered due to padding. Using such apparatus allows the sub-header(s) to be inserted (included) into the MAC PDU (or transport block (TB) or other data unit).07-08-2010
20110103402Method and Device for Decoding, Corresponding Computer Program Product, Storage Means and Destination Node - A method is proposed for decoding a plurality of data packets received through a meshed communications network for the retrieval of source packets transmitted by one or more source nodes, the meshed communications network comprising relay nodes generating combined packets, each combined packet consisting of a linear combination of source packets. During the decoding by a destination node, this method consists in performing two decoding operations of which the first is a decoding by group of packets and the second is a decoding that takes account of pieces of likelihood information resulting from the first decoding. The fact of first of all carrying out a decoding with groups of packets makes it possible to exploit the repetitions (or redundancies) of packets in a meshed network to optimize the bit error rate during the decoding of source data transmitted on the communications network.05-05-2011
20110103401METHOD AND APPARATUS FOR REPEATING ILLUMINATION INFORMATION ON A DAISY CHAIN BUS STRUCTURE - A data communication method is described for transmitting a data packet comprising data bytes in a daisy chained bus structure of a LED illumination system. The method comprises: the nodes of a group, except the last node of the group retransmitting the data packet without removing a first data byte from the incoming data packet; and the last node in the group removing the first byte from the data packet before retransmission. The invention further comprises a communication node, illumination assembly and bus structure implementing the method according to the invention.05-05-2011
20110103400Check data encoding using parallel lane encoders - An encoder for generating check data to accompaning payload data uses parallel lane encoders 05-05-2011
20120250703COMMUNICATION DEVICES THAT COMMUNICATE USING FRAMES AND COMPUTER-READABLE MEDIA FOR CONTROLLING COMMUNICATION DEVICES - A communication device may include a reference maximum segment size (“MSS”) value acquisition device, a data length acquisition device, and a transmission device. The reference MSS value acquisition device may acquire a reference MSS value from a first device by executing a transmission control protocol communication with the first device. The data length acquisition device may acquire a data length value comprised in a user datagram protocol (“UDP”) header of a frame received by executing a UDP communication with the first device. The transmission device may generate a transmission frame and may transmit the transmission frame to a second device when executing a UDP communication with the second device. The reference MSS value may be an MSS of the first device. A size of the transmission frame may be based on a specific value determined utilizing the reference MSS value of the first device or utilizing the data length value.10-04-2012
20120314720METHOD AND AN APPARATUS FOR TRANSMITTING MESSAGES IN HOME NETWORK SYSTEM - Relating to a home network system and a home entertainment system, a method and an apparatus for transmitting packets in a home network system and a home entertainment system are disclosed. Additionally, a method for identifying devices to which the packets are to be transmitted and an apparatus for supporting the same are also disclosed herein. According to an embodiment, a method for transmitting a packet in a high definition base transmission (hereinafter referred to as HDBaseT) system includes the steps of receiving data from a source device in a transmission adaptor, converting the received data from the transmission adaptor to a downstream packet, in order to transmit the converted downstream packet to a receiving adaptor through an HDBaseT network, and transmitting the converted downstream packet to the receiving adaptor. At this point, the downstream packet may include a hierarchical identifier for identifying HDBaseT entities to which the downstream packet is to be transmitted.12-13-2012
20120314719METHOD AND SYSTEM OF TRANSMITTING AND RECEIVING FRAGMENTABLE DATA UNITS IN A WIRELESS COMMUNICATION ENVIRONMENT - The present invention provides a method and system for transmitting and receiving Fragmentable Data Units (FDUs) in a wireless communication environment. In one embodiment, a method of transmitting FDUs in a wireless communication environment includes fragmenting a FDU into a fixed number of fragments by a transmitting device. The method further includes packing the fragments of said FDU in payloads of Medium Access Control (MAC) Protocol Data Units (PDUs). Additionally, the method includes encoding control information of each fragment of said FDU in a fragmentation control (FC) field and a sequence number field of the respective MAC PDU. Moreover, the method includes transmitting the MAC PDUs containing the fragments of said FDU and control information associated with the fragments to a receiving device.12-13-2012
20100091800INTEGRATED CIRCUITS, SYSTEMS, APPARATUS, PACKETS AND PROCESSES UTILIZING PATH DIVERSITY FOR MEDIA OVER PACKET APPLICATIONS - In one form of the invention, a process of sending real-time information from a sender computer (04-15-2010
20100290484ENCODER, DECODER, ENCODING METHOD, AND DECODING METHOD - An encoder includes a precoder for encoding an input information object according to a preset encoding scheme and storing the encoded information object in a precoder buffer, a sample number/address generation unit for generating a sample number of each sample and an address, which corresponds to each bit of each sample and the address of the precoder buffer, a multiplexer for selecting a bit of the precoder buffer corresponding to the address generated by the sample number/address generation module, a sampling buffer for storing a bit of each sample output from the multiplexer, a control packet generation module for generating a control packet including information on the sample number generated by the sample number/address generation module, a packet assembling unit for assembling the sample stored in the sampling buffer with the control packet generated by the control data generation module, and a modulation module for modulating the packet output from the packet assembling unit into a sound signal according to a preset scheme.11-18-2010
20100246604METHOD FOR MULTIPLEXING DATA INFORMATION AND CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method for multiplexing a control information stream, and a data information stream comprised of systematic symbols and non-systematic symbols in a wireless mobile communication system is described. The multiplexing method includes mapping the data information stream to a resource area, so that the systematic bit symbols are not mapped to a specific resource area where the control information stream is to be mapped, and mapping the control information stream to the specific resource area.09-30-2010
20100208749Effective Data Block Transmission Method Using Header Indicator - Disclosed is a radio (wireless) communication system providing a radio communication service and a terminal, and more particularly, to a method of exchanging a data block or data unit between a base station and a terminal in an Evolved Universal Mobile Telecommunications System (E-UMTS) that has evolved from a Universal Mobile Telecommunications System (UMTS) or a Long Term Evolution (LTE) system, which can generate a data block to enhance efficiency of radio resources.08-19-2010
20100208751Method, System, and Device for Sending Data in a Cable Data Service - A method of sending data from a transmit site to a receive device includes dividing a first transmit data stream having a first bit rate into multiple data streams with each of the multiple data streams having a bit rate that is lower than the first bit rate. Each of the multiple data streams is transmitted over a cable network having multiple radio frequency channels. The multiple data streams are recombined at the receive device to provide a receive data stream having a bit rate equal to the first bit rate. A second transmit data stream is transmitted over one of the radio frequency channels to a legacy user connected to the one radio frequency channel between the transmit site and the receive device.08-19-2010
20100208748DIGITAL TRANSMISSION APPARATUS AND METHOD AND DIGITAL RECEPTION APPARATUS - A digital transmission apparatus and a method thereof and a digital reception apparatus are provided. A frame body processor converts incoming data and outputs a frame body, a system information generator generates system information, which is necessary for processing the data at a reception apparatus, by using a different processing method from the frame body processing method of the frame body processor, a frame generator multiplexes data of the frame body, a header of the frame, and the system information, thereby generating a frame, and a signal processor up-coverts a signal of the frame and transmits the signal to the reception apparatus.08-19-2010
20110182304Data transmitting device and data receiving device - A data transmitting device transmits section information, a data broadcasting content, and a broadcasting content in a multiplexed manner. The data transmitting device includes a specified-information embedding unit that embeds information related to a specified image into the section information; a multiplexing unit that multiplexes the section information embedded with the specified information by the specified-information embedding unit, the data broadcasting content, and the broadcasting content; and a transmitting unit that transmits data multiplexed by the multiplexing unit to a data receiving device.07-28-2011
20120213234Method for Compressing and Decompressing Time Stamp and Equipment Thereof - A method and apparatus for compressing and decompressing a time stamp is provided, applied in a scenario of compressing a basic compression packet carrying an extended compression packet of type 3 in Robust Header Compression (ROHC). The compression method comprises: storing high bits of a time stamp to be transmitted in a time stamp field of the basic compression packet; storing bits of successive zeros beginning from the highest bit of the remaining bits of the time stamp to be transmitted after removing said high bits in the extended compression packet in a form of number information; and storing the remaining bits of the time stamp to be transmitted after removing said high bits and said bits of successive zeros in the time stamp field of the extended compression packet as low bits. Therefore the compression space can be effectively used and compression efficiency can be improved.08-23-2012
20120213233FRAME AND DATA PATTERN STRUCTURE FOR MULTI-CARRIER SYSTEMS - A transmitting apparatus for transmitting signals in a multi carrier system on the basis of a frame structure, each frame including at least one signalling pattern and one or more data patterns, the transmitting apparatus including08-23-2012
20120134373METHOD OF PACKETIZING ENCODED SYMBOLS AND APPARATUS USING THE SAME - Provided are a method of packetizing encoded symbols and an apparatus using the same. The method includes an encoded symbol and target packet selection step of deciding a first source symbol and selecting an unpacketized first encoded symbol and a target packet into which the unpacketized first encoded symbol is inserted if there is the unpacketized first encoded symbol of at least one first encoded symbol, which is an encoded symbol of the first source symbol generated using an AND-OR tree structure, and a packetization step of generating a second source symbol based on at least one unpacketized first encoded symbol by use of the AND-OR tree structure, generating at least one second encoded symbol based on the second source symbol by use of the AND-OR tree structure, and packetizing at least one of second encoded symbols into the target packet along with the first encoded symbol.05-31-2012
20100260206Communicating A Message Request Transaction To A Logical Device - A general input/output communication port implements a communication stack that includes a physical layer, a data link layer and a transaction layer. The transaction layer includes assembling a packet header for a message request transaction to one or more logical devices. The packet header includes a format field to indicate the length of the packet header and to further specify whether the packet header includes a data payload, a subset of a type field to indicate the packet header relates to the message request transaction and a message field. The message field includes a message to implement the message request transaction. The message includes at least one message that is selected from a group of messages. The group of messages to include a message to unlock a logical device, a message to reset a logical device, a message to indicate a correctable error condition, a message to indicate an uncorrectable error condition, a message to indicate a fatal error condition, a message to report a bad request packet, a message to indicate power management and a message to emulate an interrupt signal.10-14-2010
20120163401COMMUNICATIONS NETWORK WITH SMART CARD - Methods and systems are disclosed to enable a smart card having relatively low data rate and low computational power to control a high data rate communications channel without degradation of performance. The smart card and an associated monitor/interface, which can be implemented in a network access device, are interposed between transmitting and receiving nodes in a network, and configured to intervene when conditions of rules stored in the smart card are met. For example, the smart card can intervene when a packet header indicates sufficient change in information, such as the exceeding of a predefined threshold or a requirement for user authorization/authentication. In one mode of regulating packet flow, the smart card selectively enables or disables packet transmission, reception, or both, according to the rules stored therein.06-28-2012
20090059959METHOD AND ARRANGEMENT TO INCREASE THE DATA TRANSMISSION FLOW RATE IN A COMMUNICATION SYSTEM - A method and apparatus to transfer data cells having an overhead section and a payload section via a communication medium from a transmitter to a receiver. Before transfer of a data cell, the overhead section of the data cell is translated into a shortened overhead section, known both on the transmitter and the receiver sides, and upon reception of the data cell, the shortened overhead section is translated again into the overhead section.03-05-2009
20090059958COMMUNICATION METHOD, COMMUNICATION SYSTEM, NODES AND PROGRAM - The task of the present invention is to reduce a load caused by a transmission of control information related to data packets and enhance a communication efficiency.03-05-2009
20120177062AUDIO NETWORK SYSTEM AND METHOD OF DETECTING TOPOLOGY IN AUDIO SIGNAL TRANSMITTING SYSTEM - In an audio network system constructed from a main node and a plurality of satellite nodes each having a plurality of ports, the main node generates and transmits a main packet including audio signals of a plurality of channels. Each satellite node selects one of the plurality of ports in turn, and confirms whether the main packet arrives at the selected port every predetermined period or not. When the main packet arrives at the selected port every predetermined period, the main packet is received via the port by continuing selection of the port. In the case where reception of the main packet is lost, one is selected from the plurality of ports in turn, the operation to confirm arrival of the main packet is restarted, and another port at which the main packet arrives at the present stage is automatically found.07-12-2012
20120076157ENHANCED ACCESS CHANNEL MASKS FOR xHRPD - Disclosed is a method of performing Pseudo-random-Noise (PN) quadrature covering for transmitting data via an access channel. Such method is achieved by receiving a 42-bit access long code mask MI03-29-2012
20090285236START CODE DETECTING APPARATUS - A start code detecting apparatus comprises a data inputting unit which inputs PES data, a start code searching unit which searches for a code of a predetermined byte included in the PES data inputted by the data inputting unit, a separated start code estimating unit which refers to a stream located next to a code of a predetermined byte searched by the start code searching unit and estimates whether there is a separated ES start code or not based on the reference result, and a data outputting unit which outputs predetermined data. The start code searching unit generates location data which represents a location of the PES start code or the ES start code based on the searching result and the estimation result of the separated start code estimating unit. The data outputting unit outputs the location data generated by the start code searching unit.11-19-2009
20100272124METHOD AND SYSTEM FOR REDUCTION OF DECODING COMPLEXITY IN A COMMUNICATION SYSTEM - Method and System for Utilization of an Outer Decoder in a Broadcast Services Communication System is described. Information to be transmitted is provided to a systematic portion of a plurality of transmit buffers and encoded by an outer decoder communicatively coupled to the transmit buffer. The resulting redundant bits are provided to a parity portion of each transmit buffer. The content of the transmit buffers, is multiplexed and encoded by an inner decoder to improve protection by adding redundancy. The receiving station recovers the transmitted information by an inverse process. Because a decoding complexity depends on the size of a systematic portion of the transmit buffer, reasoned compromise between a systematic portion size and number of transmit buffers yields decreased decoding complexity.10-28-2010
20100272123EFFICIENT SWITCH FABRIC BANDWIDTH DISTRIBUTION - According to one general aspect, a method may include receiving at least a portion of a packet of data by an ingress device. The method may include determining an egress device to receive the packet. In some embodiments, the method may include dividing the received portion of the packet into a plurality of segments. The method may include editing, for each segment, a header to include an address field that indicates the address of the egress device, wherein the header is associated with a current segment. The method may include, for each segment, editing the header to include a next link field that indicates a link that will be used to transmit the next segment of the packet. The method may also include transmitting the current segment and header to the egress device via the link indicated in the next link field of the header of a preceding segment.10-28-2010
20120224593SYSTEM AND METHOD PROVIDING RESILIENT DATA TRANSMISSION VIA SPECTRAL FRAGMENTS - Systems, methods and apparatus for improving resiliency to interference as well as improved bandwidth utilization in data transmission systems by using spectral fragments to convey respective portions of a data stream or file to be transmitted and independently adapting spectral fragment channel forward error correction (FEC) rate or other parameters in response to interference/impairment conditions.09-06-2012
20120219016Apparatus and method for pseudo wire emulation edge-to-edge access - The present disclosure provides an apparatus and a method for PWE3 access. The method includes: after receiving non-Ethernet data transmitted by a local user, a local PE performs inner layer PWE3 frame format encapsulation and an outer layer L2VPN frame format encapsulation on the non-Ethernet data in sequence, and then transmits the encapsulated data to an opposite PE; after receiving the data transmitted by the opposite PE, the local PE performs an outer layer L2VPN frame format de-encapsulation and an inner layer PWE3 frame format de-encapsulation on the date in sequence, and then transmits, to the local user, the non-Ethernet data obtained after the two de-encapsulations. The present disclosure can implement the pseudo wire emulation edge-to-edge access for non-Ethernet with saving label space of the PE, and can avoid multiple exchanges of Pseudo Wire (PW) labels.08-30-2012
20120263192TRANSMISSION APPARATUS AND INTERFACE CARD - In a transmission apparatus, a shaping circuit shapes a packet output from a switch in a band of predetermined granularity. A packet generation circuit generates a band correction packet in a band smaller than the band of the predetermined granularity of the shaping circuit and inputs the band correction packet to the shaping circuit.10-18-2012
20120082172SYSTEMS AND METHODS FOR DIGITAL STREAM DENTING - A method of forming a digital packet stream, the stream including transport packets. The method can include receiving a packet ID in a transport stream, determining if the packet ID includes a video ID, determining if a coded video frame starts a transport packet, and if a coded video frame starts a transport packet, inserting an Internet protocol/user datagram protocol (IPIUDP) header ahead of a transport packet header. The received transport stream can be an MPEG-2 transport stream. A method of forming a digital packet stream can include receiving a packet ID, determining if the packet ID includes a video ID, determining if a coded video frame starts a transport packet; determining a priority of the video frame, and inserting an IPIUDP header ahead of a transport packet header.04-05-2012
20120327954Packet Meta-Tagging Using Excess Payload - Packet meta-tagging using excess payload is described. In an implementation, a total packet length value specified in packet received at a network element is adjusted while preserving a data length value associated with a data portion of the packet to generate additional space in the packet to accommodate packet transmission meta-data. Packet-transmission meta-data can be inserted into the additional space created in the packet by the network element. In some implementations, the meta-data describes packet transmission characteristics of the packet. For example, the meta-data can be a timestamp corresponding to the time at which the packet was received by the network element. The meta-data can be an identifier corresponding to the network element that received the packet.12-27-2012
20120230350SIGNAL DEMULTIPLEXER, SIGNAL MULTIPLEXER, AND SIGNAL MULTIPLEXER/DEMULTIPLEXER - A signal demultiplexer includes a conversion unit that converts a format of a high speed signal transfer frame output from a terminating unit into a format of a converted frame; a parallelization unit that parallelizes the converted frame and outputs a predetermined number of data columns; and a separating unit that separates plural low speed signal transfer frames from the predetermined number of the data columns. The conversion unit converts the format of the high speed signal transfer frame into the format of the converted frame by delaying a signal storing area using first and second overhead areas, to include an “i” th tributary slot among the predetermined number of the tributary slots assigned to the signal storing area into an arbitrary “i” th data column among the predetermined number of the data columns, and to align front positions of the predetermined number of the data columns.09-13-2012
20120230351Streaming Segmentation And Reassembly In Asynchronous Transfer Mode Communications - Systems, methods, and apparatuses are provided that enable streaming of ATM cells between a transmit/receive data processing application and a transmission convergence function. Data to be segmented into an ATM cell is received at a SAR engine, and provided to a transmission convergence function, with the first cells transmitted to the transmission convergence function before the SAR function receives an end-of-packet indication from the optimization engine. Data received at a transmission convergence function is placed in a received packet queue at the SAR function, with packets provided to an application after a start-of-packet indication is received, and before an end-of-packet indication is received, at the SAR function.09-13-2012
20110122892SCALABLE CENTRAL MEMORY SWITCHING FABRIC - A system receives a set of datagrams and forms frames based on the datagrams, where at least one of the frames includes data associated with multiple ones of the datagrams. The system writes the frames to memory to form superframes in the memory, where each of the superframes includes multiple ones of frames. The system reads the superframes from the memory, recreates the datagrams based on the superframes, and outputs the datagrams.05-26-2011
20080298395Channel bundling - A method and apparatus for processing message is described. In one embodiment, a channel layer is configured to form a channel with a corresponding process. The channel is associated with a group. A plurality of sockets is formed in a transport layer of a group communication protocol. Traffic of messages to and from the processes is distributed across the plurality of sockets in the transport layer.12-04-2008
20110002346Extended Network Protocols for Communicating Metadata with Virtual Machines - Network devices include hosted virtual machines and virtual machine applications. Hosted virtual machines and their applications implement additional functions and services in network devices. Network devices include data taps for directing network traffic to hosted virtual machines and allowing hosted virtual machines to inject network traffic. Network devices include unidirectional data flow specifications, referred to as hyperswitches. Each hyperswitch is associated with a hosted virtual machine and receives network traffic received by the network device from a single direction. Each hyperswitch processes network traffic according to rules and rule criteria. A hosted virtual machine can be associated with multiple hyperswitches, thereby independently specifying the data flow of network traffic to and from the hosted virtual machine from multiple networks. The network device architecture also enables the communication of additional information between the network device and one or more virtual machine applications using an extended non-standard network protocol.01-06-2011
20110038386TRANSMISSION OF A VIDEO STREAM CODED BY HIERARCHICAL CODING - A video stream is produced coded in a hierarchical manner in the form of a base stream and of an enhancement stream heightened along one dimension and transmitted via a packet transmission network according to a determined transmission protocol. At the level of a transmission entity, a first series is ordered according to a first order of coded packets, from an encoder. A series of packets is obtained, coded according to a second order by grouping said coded packets into groups of N packets, by traversing in the first order the coded packets of the first series, said N packets of one and the same group either all relating to the base stream or all relating to the enhancement stream. Thereafter, packets to be transmitted are composed, said packets comprising respectively as payload the groups of the series of coded packets.02-17-2011
20110038385SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND RECEPTION SYSTEM - Disclosed herein is a signal processing apparatus including a first detection block; a second detection block; a duration detection block; a duration information output block; and a demodulation block.02-17-2011
20110038384PROCEDE, DISPOSITIF ET SYSTEME DE GENERATION D'UN FLUX DE DONNEES DE CONTRIBUTION - A contribution system where the national services are not duplicated in the single stream. This single stream is transmitted in a mode not implementing burst transmission. Advantageously, the single stream is not protected by an FEC error correcting code, as present in the radio broadcast standard, for example DVB-H. Synchronisation is provided by the insertion by the concentrator of synchronisation packets comprising three synchronisation stamps. A first stamp serves to synchronise the deconcentrators with each other and with the concentrator. A second stamp generates a first synchronisation signal allowing synchronous generation of the period of the burst transmission mode necessary for generating the regional signal. The third stamp serves to generate a second synchronisation signal for generating so-called “MIP” synchronisation packets for synchronising the various modulators.02-17-2011
20120269201FRAME AND DATA PATTERN STRUCTURE FOR MULTI-CARRIER SYSTEMS - A transmitting apparatus for transmitting signals in a multi carrier system on the basis of a frame structure, each frame including at least one signalling pattern and one or more data patterns, said transmitting apparatus including frame forming means for arranging first signalling data in the at least one signalling pattern in a frame, and adapted to arrange data in the one or more data patterns in a frame, whereby the data of the one or more data patterns are arranged in data frames, each data frame comprising second signalling data and content data, transforming means for transforming the at least one signalling pattern and the one or more data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal, and transmitting means for transmitting the time domain transmission signal.10-25-2012
20080267216Method and System for Transmitting a Multimedia Data Stream - Method of transmitting a multimedia data stream (F) from at least one sender to at least one receiver through a link including a communication network (10-30-2008
20110211592METHOD AND APPARATUS FOR BINDING REDUNDANCY VERSIONS WITH A SYSTEM FRAME NUMBER AND SUBFRAME NUMBERS - A method and apparatus for binding Redundancy Versions (RVs) with a System Frame Number (SFN) and subframe numbers are disclosed. The method includes: choosing any 5 continuous subframes within a transmission window of a System Information (SI-x) message according to the subframe numbers of an SFN, and binding the SFN and subframe numbers of the 5 continuous subframes with RVs of the SI-x message. Because RVs are bound with an SFN and subframe numbers, when a transmission window of an SI-x message is longer than or equal to 5 ms, system frames and subframes are bound with RVs of the SI-x message so that the RV retransmission of the SI-x message is guaranteed.09-01-2011
20100254408MULTIPLEXING DEVICE, INTEGRATED CIRCUIT, MULTIPLEXING METHOD, MULTIPLEXING PROGRAM, COMPUTER READABLE RECORDING MEDIUM WITH RECORDED MULTIPLEXING PROGRAM AND COMPUTER READABLE RECORDING MEDIUM WITH RECORDED MULTIPLEXING STREAM - An object of the invention is to prevent breakdown of a decoder buffer, and shorten a time required for a multiplexing operation. A multiplexing pattern generator 10-07-2010
20110235655PROPRIETARY EXTENSIONS IN USER PLANE LOCATION PROTOCOLS - Systems and methods are provided allowing for a vendor-defined payload in a standardized user-plane location solution/protocol, where proprietary extension support is introduced into one or more standardized solutions. In accordance with a first embodiment, a location payload consists of structures for transferring requests, assistance data, measurements and positioning instructions. Therefore, a proprietary extension is included in each of these structures so that, for example, proprietary assistance data can be requested in an appropriate structure. In accordance with another embodiment, a proprietary extension is introduced at the highest abstraction level. For example and in an actual implementation, a vendor can define that in the beginning of the proprietary payload, the proprietary extension is defined, whether the proprietary payload contains a request, assistance, etc.09-29-2011
20120087380MEDIA TRANSMISSION METHOD AND DEVICE AND MEDIA STORAGE METHOD AND DEVICE - A media transmission method and device are provided. The method includes: encapsulating a content source selected by a client into data packets, adding a content identifier (ID) used to indicate each multiplexed content to a transmission adaptation layer, and sending a media stream of the encapsulated data packets to the client. Transmission multiplexing of multiple multiplexed contents may be implemented. A media storage method and device are further provided to facilitate the application of multiplexed media.04-12-2012
20110286472Method for Transporting Digital Media - A networked system is provided for transporting digital media packets, such as audio and video. The network includes network devices interconnected to send and receive packets. Each network device can receive and transmit media signals from media devices. A master clock generates a system time signal that the network devices use, together with a network time protocol to generate a local clock signal synchronised to the system time signal for both rate and offset. The local clock signal governs both the rate and offset of the received or transmitted media signals. The system, which can be implemented using conventional network equipment enables media signals to be transported to meet quality and timing requirements for high quality audio and video reproduction.11-24-2011
20120320932DATA FRAME FOR PLC HAVING DESTINATION ADDRESS IN THE PHY HEADER - A method of powerline communications including a first node and at least a second node on a PLC channel in a PLC network. The first node sends a physical layer (PHY) data frame on the PLC channel including a preamble, PHY header, a MAC header and a MAC payload. The PHY header includes a destination address field having a destination address therein. The second node receives the data frame. The second node compares its network address to the destination address before decoding the MAC header and MAC payload, providing power savings by allowing the second node to not decode the MAC header or MAC payload if its network address does not match the destination address in the PHY header of the data frame.12-20-2012
20120287946Hash-Based Load Balancing with Flow Identifier Remapping - Methods and apparatus for improving hash-based load balancing using flow identifier remapping are disclosed. The node-based remapping of flow identifiers introduces additional information into the hash function by injecting new values into the hash key on a per node basis. The methods and apparatus described herein perform a remapping operation on a fixed per-flow attribute such as one or more packet fields. Upon receipt of a packet, a set of the packet fields is selected as a hash key. From these selected packet fields, one or more fields are selected and remapped using a remapping operation. A transformed hash key is formed using the one or more remapped values along with other packet fields. The transformed hash key is then presented as an input to an arbitrary hash function. The hash function generates a hash value that is then used for path selection.11-15-2012
20120287947DATA TRANSMISSION METHOD FOR HSDPA - In the data transmission method of an HSDPA system according to the present invention, a transmitter transmits Data Blocks each composed of one or more data units originated from a same logical channel, and a receiver receives the Data Block through a HS-DSCH and distributes the Data Block to a predetermined reordering buffer. Since each Data Block is composed of the MAC-d PDUs originated from the same logical channel, it is possible to monitor the in-sequence delivery of the data units, resulting in reduction of undesirable queuing delay caused by logical channel multiplexing.11-15-2012
20100202474Method and apparatus for binding redundancy versions with a system frame number and subframe numbers - A method and apparatus for binding Redundancy Versions (RVs) with a System Frame Number (SFN) and subframe numbers are disclosed. The method includes: choosing any five (5) continuous subframes within a transmission window of a System Information (SI-x) message according to the subframe numbers of an SFN; and binding the SFN and subframe numbers of the five (5) continuous subframes with RVs of the SI-x message. Because RVs are bound with an SFN and subframe numbers, when a transmission window of an SI-x message is longer than or equal to 5 ms, system frames and subframes are bound with RVs of the SI-x message so that the RV retransmission of the SI-x message is guaranteed.08-12-2010
20100202473Method and Device for Data Packet Assembly - The invention relates to the assembly of data blocks to form at least one data packet, said assembly comprising the following steps: 08-12-2010
20120140777RECONFIGURABLE DATA DISTRIBUTION SYSTEM - Systems, methods and computer programs products for a reconfigurable data distribution system are described herein. An embodiment includes a stream generator that receives analog data from a plurality of sensors. Data received from sensors, for example, may include video data received from an externally mounted camera on an armored vehicle. The stream generator converts analog data received from the sensors into a digital format that can be transmitted to a router. The router forwards the data in the digital format to a display processor. The display processor formats the data received from the router for display on a display device. The display processor may also receive data from other peripherals, including but not limited to, a touch screen device or a keypad.06-07-2012
20130010809APPARATUS AND METHOD FOR NOTIFYING PACKET INFORMATION USING START FRAME DELIMITER - An apparatus for notifying packet information using a start frame delimiter (SFD) comprises: a SFD transmission unit which generates an SFD code and transmits a packet by positioning the generated SFD code in a position corresponding to specific additional information to notify the specific additional information; and a SFD reception unit which receives the packet from the SFD transmission unit, detects the position of the SFD code positioned within the packet, and detects the additional information corresponding to the detected position.01-10-2013
20130016737COEXISTENCE OF A NORMAL-RATE PHYSICAL LAYER AND A LOW-RATE PHYSICAL LAYER IN A WIRELESS NETWORK - A system including a first preamble generation module, a second preamble generation module, and a packet generation module. The first preamble generation module is configured to generate a first preamble. The first preamble includes a first training field to train receivers operating at a first data rate. The second preamble generation module is configured to generate a second preamble. The second preamble includes a second training field to train receivers operating at a second data rate. The second data rate is different than the first data rate. The packet generation module is configured to generate a packet. The packet includes the second preamble followed by the first preamble in response to the packet being transmitted at the first data rate, or the first preamble followed by the second preamble in response to the packet being transmitted at the second data rate.01-17-2013
20120147902APPARATUS AND METHODS FOR TRANSMITTING AND RECEIVING MAC PDU USING MAC HEADERS - An apparatus and methods for transmitting and receiving MAC PDU (medium access control protocol data unit) using a MAC Header are disclosed. The method includes steps of establishing, by a transmitting end with a receiving end, a connection associated with a service flow, constructing, by the transmitting end, the MAC PDU comprising a MAC header which is configured according to the connection, and transmitting the MAC PDU to the receiving end, wherein the MAC header is general MAC header (GMH) if the connection is associated with a general data packet transmission, and wherein the MAC header is short-packet MAC header (SPMH) if the connection is associated with a small data packet transmission and non-ARQ transmission.06-14-2012
20110158257SYMBOL MAPPING APPARATUS AND METHOD - In a symbol mapping apparatus, a channel coder outputs a codeword including a plurality of information bits and a plurality of redundancy bits by encoding transmission data. A symbol mapper maps the codeword to the symbol while changing a mapping scheme in the unit of the codeword.06-30-2011
20110158256METHOD AND SYSTEM FOR TRANSMISSION CONTROL PACKET (TCP) SEGMENTATION OFFLOAD - A method for processing packets includes performing by a plurality of processors integrated in a single NIC chip, the plurality of processors including at least a hardware processor and a firmware processor, receiving information identifying at least one packet to be processed. The method may include determining whether the identified packet is a large send offload packet. If the identified packet is a large send offload packet, the method may include selecting between at least the hardware processor and the firmware processor to process the large send offload packet. If the identified packet is not a large send offload packet, the method may include bypassing the hardware process and the firmware process, and read DMA processing the identified packet from a host memory.06-30-2011
20080240159MAPPING OF SUBPACKETS TO RESOURCES IN A COMMUNICATION SYSTEM - Techniques for transmitting data in a communication system are described. A packet may be partitioned into multiple subpackets, and each subpacket may be encoded separately. The subpackets may be mapped to resources assigned for transmission of the packet, with at least one subpacket being mapped to a subset of the assigned resources. The assigned resources may include multiple tiles, with each tile corresponding to a block of time frequency resources. The subpackets may be mapped to the tiles such that (i) the subpackets are mapped to equal number of tiles to achieve similar decoding performance, (ii) each subpacket is mapped to at least N10-02-2008
20110274121METHOD, APPARATUS, AND SYSTEM FOR TRANSPORTING VIDEO STREAMS - A method, an apparatus, and a system for transporting video streams are disclosed herein to handle video streams of different coding mechanisms and different encapsulation mechanisms intelligently according to visual sensitivity. The method includes: assessing a video data packet to gain visual sensitivity identifier information of the video data packet; adding the visual sensitivity identifier information into the video data packet; and handling the video data packet according to the visual sensitivity identifier information while transporting the video data packet. The embodiments of the present invention are applicable to transporting of network video streams.11-10-2011
20110274120NETWORK DATA PACKET FRAMENTATION AND REASSEMBLY METHOD - The method determines whether a particular jumbo data packet benefits from fragmentation and reassembly management during communication through a network or networks. The method determines the best communication path, including path partners, between a sending information handling system (IHS) and a receiving IHS for the jumbo packet. A packet manager determines the maximum transmission unit (MTU) size for each path partner or switch in the communication path including the sending and receiving IHSs. The method provides transfer of the jumbo packets intact between those path partner switches of the communication path exhibiting MTU sized for jumbo or larger packet transfer. The method provides fragmentation of jumbo packets into multiple normal packets for transfer between switches exhibiting normal packet MTU sizes. The packet manager reassembles multiple normal packets back into jumbo packets for those network devices, including the receiving IHS, capable of managing jumbo packets.11-10-2011
20110274122Highly Integrated Media Access Control - A supervisory communications device, such as a headend device within a communications network, monitors and controls communications with a plurality of remote communications devices throughout a widely distributed network. The supervisory device allocates bandwidth on the upstream channels by sending MAP messages over its downstream channel. A highly integrated media access controller integrated circuit (MAC IC) operates within the headend to provide lower level processing on signals exchanged with the remote devices. The enhanced functionality of the MAC IC relieves the processing burden on the headend CPU and increases packet throughput. The enhanced functionality includes header suppression and expansion, DES encryption and decryption, fragment reassembly, concatenation, and DMA operations.11-10-2011
20130094518METHOD FOR CONFIGURING AND TRANSMITTING MMT PAYLOAD - A method for configuring and transmitting an MMT payload in a system are provided.. The method for configuring an MMT (MPEG Media Transport) payload format comprises configuring the MMT payload format such that essential information contained in each MMT payload format is included in a D-layer header, configuring the MMT payload format such that an MMT transmission packet includes one MMT payload format unit and configuring the MMT payload format such that packet streams are multiplexed in units of packets on a single port.04-18-2013
20130094517PAYLOAD FOR MULTI-INPUT MULTI-OUTPUT - Described herein are implementations related to data communication using a frame that includes at least two data packets. In one implementation, a first of the data packets includes at least a payload with repeated payload portions to increase diversity gain. A second of the data packets includes at least a payload with repeated payload portions to increase diversity gain. The repeated payload portions of the second data packet are shuffled or rotated in relation to the repeated data payload portions of the first data packet. In one implementation, the frame is conveyed in a Power Line Communication (PLC) system.04-18-2013
20130100964METHOD AND APPARATUS FOR CREATING AN ENHANCED MEDIUM ACCESS CONTROL PACKET DATA UNIT FOR ENHANCED TRANSPORT FORMAT COMBINATION SELECTION IN WIRELESS COMMUNICATIONS - Efficient enhanced transport format combination (E-TFC) selection methods and apparatus support flexible radio link control (RLC) packet data unit (PDU) size and medium access control (MAC) layer segmentation. Methods for filling an enhanced medium access control (MAC-e) packet data unit (PDU) with data from logical channels as part of E-TFC selection are provided. In one embodiment, the E-TFC selection algorithm employs a single request from the MAC layer to the RLC layer to request the number of bits it is allowed to send for a logical channel to create enhanced MAC-e PDUs. In another embodiment, the MAC entity performs multiple requests to the RLC entity. In another embodiment, the MAC entity makes a single request to the RLC entity to create one or more enhanced MAC-e PDUs of a set size. A technique is also provided for maintaining a guaranteed bit rate (GBR) for non-scheduled data flows with variable-length headers.04-25-2013
20110268136TRANSMISSION DEVICE AND TRANSMITTING METHOD - A transmission device which capsules and decapsules data of a frame and/or a packet includes a decapsuling circuit, wherein the decapsuling circuit includes a bit de-stuff processor configured to perform bit de-stuffing processing on an input data; a byte de-stuff processor configured to perform byte de-stuffing processing on duplicated data of the input data; a check processor configured to perform frame check sequence (FCS) processing on output from the bit de-stuff processor and the byte de-stuff processor; and a mode determination circuit configured to determine a stuffing mode of an opposite transmission device, based on a code conversion result from the bit de-stuff processor and the byte de-stuff processor and the stuffing mode in which the check processor detects the input data with a normal FCS.11-03-2011
20090257450MULTI-STREAM COMMUNICATION PROCESSING - The processing of multi-streaming communication includes an association between a sender and a receiver established over a communications network. The processing also includes identifying each of more than one independent multi-streamed messages transferred over the association. Each of the multi-streamed messages are separated at the receiver, and each separated message is processed in parallel with the other messages on a corresponding unique processor at the receiver.10-15-2009
20110211593Capturing Packets With Parallel Capture Engines - There is disclosed a method of capturing packets and packet receivers to capture packets. A plurality of packets may be received form a network. A timestamp may be attached to each received packet. The timestamped received packet may be distributed among a plurality of capture engines. Each of the plurality of capture engines may store, in a respective capture memory of a plurality of capture memories, at least some timestamped received packets determined to match one or more of a plurality of predetermined capture criteria. A list in timestamp order of contiguous packets stored in the plurality of capture memories may be prepared.09-01-2011
20080198876EXPLOITATION OF NULL PACKETS IN PACKETIZED DIGITAL TELEVISION SYSTEMS - A system and method for adding auxiliary data D08-21-2008
20130148671METHOD OF TRANSPORTING DATA FROM SENDING NODE TO DESTINATION NODE - A method of transporting data from a sending node to a destination node includes processing select data to form a stream of data packets at a sending node for transport to a destination node. The stream including a group of data packets. The group carrying a segment of the select data. The segment including fragments of the select data. The segment associated with a segment identifier. Each fragment associated with a fragment identifier. Each group data packet carries a corresponding fragment, a fragment identification value, a segment identification value, and a verification check value. A last group data packet carries an end of segment value. The method includes transmitting the group of data packets to the destination node, with the last data packet transmitted last such that the transmitting continues without waiting for a segment response message from the destination node between transmissions of the group of data packets.06-13-2013
20130148672METHOD OF PERFORMING IP FRAGMENTATION AND RELATED WIRELESS NETWORK SYSTEM - A wireless network system includes a transmitting end and a receiving end which adopt a specific communication protocol for data transmission. At the transmitting end, a plurality of data packets are merged into a data packet string, which is then segmented into a plurality of sub data packets according to a maximum transmission unit of the specific communication protocol. The plurality of sub data packets are then transmitted to the receiving end for packet reassembly.06-13-2013
20130156049METHOD AND APPARATUS FOR PROVIDING SPATIALLY SELECTABLE COMMUNICATIONS USING DECONSTRUCTED AND DELAYED DATA STREAMS - A sending device having a processing device and a plurality of transmitters performs a method for providing spatially selectable communications using deconstructed and delayed data streams. The method includes receiving a data stream, an indication of a target point for the data stream, and a target volume around the target point. The method further includes deconstructing the data stream into a plurality of data substreams and, based on a spatial relationship between a corresponding transmitter and the target point, determining a transmitter delay for each transmitter. Moreover, the method further includes determining, based on the target volume, a data interval spacing to apply between each data substream at transmission. In addition, the method includes sending, from the transmitters, the corresponding data substreams using the corresponding transmitter delays and the data interval spacing that confine reconstruction of the data substreams back into the data stream within the target volume.06-20-2013
20130156050DATA TRANSFER APPARATUS, DATA TRANSFER METHOD, AND INTER-CHIP COMMUNICATION SYSTEM - Transfer efficiency of data transfer in a single semiconductor device or between semiconductor devices is improved. A table is created by associating a combination of attribute information involved in data transfer with an identifier. When attribute information registered in the table is received, the attribute information is replaced with an identifier so that the information is compressed and transferred. Accordingly, transfer efficiency is increased in transmission or reception of a request and a response.06-20-2013
20130182719Adaptive Sub-Band Algorithm for Point-To-Point Communication in PLC Networks - Embodiments of methods and systems for adaptive sub-band point-to-point communication are presented. In one embodiment a method includes performing functions using a power line communication (PLC) transmitter device. The method may include generating a first data packet having a first adaptive sub-band information set, the first sub-band information set comprising information to be used by a PLC receiver for determining a sub-band hopping pattern. The method may also include transmitting the first data packet on a first PLC sub-band. Additionally, the method may include hopping to a second PLC sub-band, and generating a second data packet having a second adaptive sub-band information set, the second sub-band information set comprising information to be used by the PLC receiver for determine the sub-band hopping pattern. The method may further include transmitting the second data packet on the second PLC sub-band.07-18-2013
20130182720FRAME CONCATENATION APPARATUS - A frame concatenation apparatus includes a storage unit to store a plurality of frames to be transmitted, a generation unit to generate a concatenated frame including the plurality of frames read out from the storage unit and serially concatenated, and including frame length information on each frame attached thereto, and an attachment unit to attach information for establishing synchronization with a receiver of the concatenated frame, to the concatenated frame.07-18-2013
20130188655ENCAPSULATION OF DATA - An encapsulation apparatus for encapsulating data includes an input to receive the data, a machine to generate information related to the encapsulation of data and a logic coupled to the machine. A processing machine is coupled to the input and the logic.07-25-2013
20120287945Method and Apparatus for a High-Speed Frame Tagger - A method is described including extracting protocol information from a received packet within a framer, comparing the protocol information in a first pass to predetermined values to produce a first result, and tagging the packet based on the set of results.11-15-2012
20120287944RoCE PACKET SEQUENCE ACCELERATION - Disclosed herein are methods and apparatus for accelerating RoCE packet sequence transmission and reducing processing latency in received RoCE packets. Under the disclosed method, the RoCE protocol stack and RDMA verbs are implemented partially in the host software and partially in the adapter hardware, thereby providing a better balance between simplifying the adapter configuration and maximizing the host processing efficiency. Particularly, the adapter implemented with partial RoCE offload is able to perform a few major functionalities under the RoCE protocol, such as offloading a complete RoCE packet sequence for transmission, building individual packets out of the RoCE packet sequence and performing Invariant CRC calculation, insertion, validation and removal thereof.11-15-2012
20110317722TECHNIQUES FOR ENCODING PLCP HEADERS12-29-2011
20120008645SYSTEMS, PROCESSES AND INTEGRATED CIRCUITS FOR RATE AND/OR DIVERSITY ADAPTATION FOR PACKET COMMUNICATIONS - A media over packet networking appliance provides a network interface, a voice transducer, and at least one integrated circuit assembly coupling the voice transducer to the network interface. The at least one integrated circuit assembly provides media over packet transmissions and holds bits defining reconstruction of a packet stream having a primary stage and a secondary stage. The secondary stage has one or more of linear predictive coding parameters, long term prediction lags, parity check, and adaptive and fixed codebook gains. The packet stream has an instance of single packet loss, and the reconstruction includes receiving a packet sequence represented by P(n)P(n−1)′, [Lost Packet], P(n+2)P(n+1)′, and P(n+3)P(n+2)′, obtaining as information from the secondary stage one or more of the linear predictive coding parameters, long term prediction lags, parity check, and adaptive and fixed codebook gains, and performing an excitation reconstruction utilizing said packet sequence thus received.01-12-2012
20130195120System and Method for Enabling Energy Efficient Ethernet Networks with Time-Sensitive Protocols - A system and method for enabling energy efficient Ethernet networks with time-sensitive protocols. Time-stamped packets generated by a time-sensitive protocol rely on fixed latency in a transit time through a transmission subsystem. An energy efficiency control policy in a network device governs a transmission of time-stamped packets in accordance with energy efficiency initiatives controlled by the energy efficiency control policy. In one embodiment, time-stamped packets can be dropped or modified to account for transitions by the transmission subsystem into an energy saving state. In another embodiment, transitions by the transmission subsystem into or out of an energy saving state can be impacted by the existence of time-stamped packets scheduled for transmission.08-01-2013
20130195121DEVICE, SYSTEM AND METHOD OF COMMUNICATING UPPER-LAYER PROTOCOL INFORMATION - Some demonstrative embodiments include devices, systems and/or methods of communicating upper-layer protocol information. For example, a wireless communication unit to transmit a management frame, e.g., a Traffic Stream Establishment (TSE) frame, including an Upper-Layer-Identification (UPID) element including a control field indicating a protocol of a layer higher than a Media-Access-Control (MAC) layer.08-01-2013
20130208734SYSTEMS AND METHODS FOR COMMUNICATING AGGREGATED PACKETS INCLUDING DELIMITERS - Systems, methods, and computer program products for communicating aggregated packets including delimiters are described herein. In one aspect, a processor is configured to prepare a packet comprising an aggregated media access control service data unit (A-MSDU) having a plurality of MSDU subframes. Each MSDU subframe includes a MSDU subframe header and a MSDU. Further, the processor is configured to insert an indication of an end of the A-MSDU in the A-MSDU. A transmitter is configured to transmit the packet wirelessly. In another aspect, a receiver is configured to receive wirelessly a packet comprising an A-MSDU having a plurality of MSDU subframes and an indication of an end of the A-MSDU in the A-MSDU. A processor is configured to determine the end of the A-MSDU based on the indication.08-15-2013

Patent applications in class Assembly or disassembly of messages having address headers