13th week of 2009 patent applcation highlights part 28 |
Patent application number | Title | Published |
20090080408 | HEALTHCARE SEMANTIC INTEROPERABILITY PLATFORM - A system and method for efficiently linking local databases having different data formats or standards into a network, wherein a content based router is provided between each of the databases and a network “party line” bus and translates data from the respective database into a common canonical form or format so that all information within the network between the content based routers complies with the common canonical form and are validated according to single standard or mechanism, for example when information first enters the network. Also provided is a tracking or audit mechanism whereby each item of information provided with a unique network identifier when it first enters the network, and is also provided with or associated with a local identifier from each local database that originates or accesses the information item and router identifiers of the content based routers corresponding to those local databases. | 2009-03-26 |
20090080409 | METHOD, COMPUTER PROGRAM PRODUCT AND APPARATUS FOR PROVIDING NON-INTRUSIVE VOICE OVER INTERNET PROTOCOL (VoIP) MONITORING AND RECORDING - An apparatus for non-intrusively monitoring and recording data (e.g., speech data) associated with a call(s) as well as addition and/or removal of a user(s) to/from a communication may include a processor capable of receiving speech data generated by a user of a device that subscribes to a network(s). The processor is further capable of receiving trigger control signals and determining whether the trigger control signals contain data indicating whether recording and monitoring of the data is required as well as addition and/or removal of a user to a communication is required. The processor is further capable of generating one or more copies of the speech data when the determination reveals that the recording and monitoring of the speech data is required and is further capable of generating sound corresponding to the speech data when the determination reveals that the recording and monitoring of the speech data is not required. | 2009-03-26 |
20090080410 | Speech Processing Peripheral Device and IP Telephone System - There are provided with an IP telephone system having both convenience of the softphone and durability of the hardphone, and a speech processing peripheral device ( | 2009-03-26 |
20090080411 | System and method for providing carrier-independent VoIP communication - Systems and methods for seamlessly providing carrier-independent VoIP calls initiated using an existing carrier-issued telephone number are provided. In exemplary embodiments, the existing carrier-issued telephone number to be called is received. Subsequently, a status regarding if the existing carrier-issued telephone number is a registered telephone number stored in a carrier-independent database is determined. If the existing carrier-issued telephone number comprises a registered telephone number in the carrier-independent database, a call is established via peer-to-peer connection using an address associated with the registered telephone number. However, if the existing carrier-issued telephone number is not a registered telephone number in the carrier-independent database, the call is placed via a standard route. | 2009-03-26 |
20090080412 | COMMUNICATION APPARATUS AND COMMUNICATION CONTROL METHOD - A communication apparatus for dividing voice data into a plurality of packets and transmitting the packets to a destination communication apparatus includes a detection unit configured to detect one of predetermined events which are triggers of change processing of a packet division length used for the dividing, a determination unit configured to determine, when the detection unit detects the one of the predetermined events, a possible range of the packet division length after the change processing based on predetermined external information which influence the packet division length, a negotiation unit configured to negotiate the packet division length after the change processing with the destination communication apparatus based on the range determined by the determination unit, and, a control unit configured to control the packet transmission based on the packet division length negotiated by the negotiation unit. | 2009-03-26 |
20090080413 | IP Telephone System - An Internet Protocol (IP) telephone has a constant impedance filter that is capable of being continuously attached to the physical layer of a computer chip in the IP telephone. The constant impedance filter is located outside the physical layer and is connected to a relay on the physical layer. The relay is configured using native FET devices, which are normally conductive without a supply voltage. Therefore, the relay is capable of operating during the discovery mode of IP telephone operation, where no power is applied to the substrate. Rectifier circuits rectify an incoming signal during discovery mode, and apply the rectified signal to the gate of the relay to improve conductivity of the relay. This allows for faster detection of the IP telephone during discovery mode. During normal operation mode, voltage is applied to the physical layer, and the relay is opened by grounding the native devices. Also, during the normal operation mode, any signal coming from the constant impedance filter is terminated in a switchable termination resistor that is also disposed on the physical layer. | 2009-03-26 |
20090080414 | METHOD OF PROPOGATING MULTIPLE IP TELEPHONY ROUTES, AND A CORRESPONDING LOCATION SERVER AND COMPUTER PROGRAM - A method is provided for propagating routes between a first location server of a first IP telephony domain and a second location server of a second IP telephony domain. The method includes the following stages: the first location server receives a first propagation message from at least one neighboring location server and containing at least two routes enabling a destination to be reached, referred to as propagation routes; and the first location server advertises the at least two routes to at least one second location server of a second telephony domain neighboring the first. | 2009-03-26 |
20090080415 | LATE FRAME RECOVERY METHOD - Method of processing a transmitted encoded media data stream is received. If a data element arrives prior to, or at, a predetermined playout deadline, the data element is decoded, the media represented by the decoded data element is played, and the data element is provided to a decoder state machine to update a decoder state. If a data element arrives after the predetermined playout deadline, the data element is provided to the decoder state machine to update the decoder state. In one embodiment, if the specified data element fails to arrive by the playout deadline, a subsequently received data element is saved in memory. Then, if the specified data element arrives after the predetermined playout deadline, the specified data element and the saved, subsequently received, data element are provided to the decoder state machine to update the decoder state. | 2009-03-26 |
20090080416 | Mechanism for Protecting H.323 Networks for Call Set-Up Functions - In a network in which to set up a call to a called endpoint a calling endpoint sends ( | 2009-03-26 |
20090080417 | METHOD AND SYSTEM FOR DATA TRANSMISSION BETWEEN A LOCAL AREA NETWORK AND A MAIN NETWORK AUTHORIZING FORMAT ADAPTATION OF SAID DATA - The present invention relates to a telecommunications system SYST including a local area network WLAN, a main network INTNW, and an intermediate element INTM through which data packets Dpo, Epi/Tepi must pass in transit between the local area network WLAN and the main network INTNW. | 2009-03-26 |
20090080418 | TUNNELING APPARATUS AND TUNNEL FRAME SORTING METHOD AND ITS PROGRAM FOR USE THEREIN - The present invention provides a tunneling apparatus which can perform tunneling without requiring the network to be suspended or requiring the existing configuration of a local network to be modified. The frame sorting part | 2009-03-26 |
20090080419 | Providing consistent manageability interface to a management controller for local and remote connections - Methods and apparatus relating to providing a manageability interface to a management controller for local and/or remote connections are described. In one embodiment, a network adapter of a host computing system may forward a packet transmitted by the host computing system to a management controller based on a determination that the packet is a manageability packet. Other embodiments are also disclosed. | 2009-03-26 |
20090080420 | Device and Method to Detect Applications Running On a Local Network for Automatically Performing the Network Address Translation - The present invention concerns an interconnection device comprising a first interface to a first network, a second interface to a second network, routing means for routing a packet between the first interface and the second interface, means for detecting a device connected to the first network, the device comprising at least one application, and address translation means for translating a source address of a packet coming from the first network destined to the second network and translating a destination address of a packet coming from the second network destined to the first network, according the application running on said local device. The interconnection device comprises application detecting means for detecting an application running on the detected device and configuring the address translation means in response to the detected application. | 2009-03-26 |
20090080421 | DATA FLOW MIRRORING - A network switch having flow-mirroring capabilities. A first port is provided for communicating data items, each associated with a particular data flow, over a network. A number of data ports are switchably connected to the first port for enabling the data items to be communicated between the first port and at least one of the data ports. A second port is provided for selectively outputting a copy of one or more of the data items based on the associated data flows. | 2009-03-26 |
20090080422 | HEADER-COMPRESSION PACKET PROCESSING METHOD, MOBILE STATION, BASE STATION, AND CONTROL STATION IN WIRELESS COMMUNICATION SYSTEM - A header-compression packet processing method in a wireless communication system is disclosed, which can transmit a header-compression packet through a packet transmission path mapped to a service flow, the method comprising, when a service flow of a downlink packet is mapped to a header-compression transmission channel, obtaining a second packet by adding a header-compression context ID mapped to an IP flow of the downlink packet to a first packet made by compressing a header of the downlink packet, in a control station; adding a data path tag mapped to the service flow of the downlink packet to the second packet; and transmitting the second packet with the data path tag to a base station maintaining mapping information of a connection ID for a corresponding mobile station and the data path tag, so as to transmit the second packet with the data path tag to the corresponding mobile station using the header-compression transmission channel. | 2009-03-26 |
20090080423 | SYSTEMS AND METHODS FOR ADAPTIVELY ADJUSTING CODEC RATES FOR COMMUNICATION NETWORKS - The present disclosure generally relates to systems and methods for adaptively controlling codec rates based on a quality of a communication link such that the codec rate used for data communicated over the communication link automatically changes as the quality of the communication link changes. In one exemplary embodiment, a high codec rate is enabled if the quality of the communication link is high. If a parameter indicative of a quality of the communication link falls below a threshold, the codec rate is decreased. Decreasing of the codec rate generally decreases the quality of the encoded voice data that is to be routed through the network. However, decreasing of the codec rate also decreases the amount of encoded data that is to be routed through the network. Therefore, when the codec rate is decreased, a higher percentage of the encoded data provided by the codec is likely to be received by an end device that is playing the voice data to a user resulting in an improved voice message. | 2009-03-26 |
20090080424 | PACKET COMMUNICATION SYSTEM WITH QOS CONTROL FUNCTION - A packet communication system of the present invention has first mode, second mode and third mode to apply to input packets. The first mode is a mode that decides priority of the packet by at least one of the address information and the application information, the second mode is a mode that decides priority of the packet by the DS value, the third mode is a mode that decides rewrite the DS value by at least one of the address information and the application information. A control unit of the packet communication system switches a mode to apply an input packet of the first mode, the second mode and the third mode based on the packet header information of the input packet. | 2009-03-26 |
20090080425 | SYSTEMS AND METHODS FOR PORT MIRRORING WITH NETWORK-SCOPED CONNECTION-ORIENTED SINK - Systems and methods for sinking port mirrored data to any node in a network are provided. Moreover, the network is configured to convey the mirrored data to the sink, without the need for any facilities expressly dedicated for this purpose. The present invention removes the requirement to collocate the sink port within the same logical node. The present invention uses a mirrored flow configured as a provisioned layer two point-to-point connection, such as a Switched Permanent Virtual Circuit (SPVC), Pseudo-Wire (PWE3), a Virtual Local Area Network (VLAN) cross-connect, Provider Backbone Bridging-Traffic Engineering (PBB-TE), or the like. The provisioned point-to-point connection is configured between the mirrored port to a sink port. The node with the mirrored port is configured to create copies of the appropriate set of packets (i.e. ingress or egress packets or both based on provisioning), and to forward the packets to the sink port. | 2009-03-26 |
20090080426 | SYSTEM, METHOD, AND COMPUTER-READABLE MEDIUM FOR SYNCHRONIZING MULTICAST CUSTOMIZED CONTENT TO FACILITATE DSLAM COMPLEXITY REDUCTION - A method, computer readable medium, and system for advertisement and content distribution are provided. Supplementary content is synchronized with advertisement slots, or commercial intervals, of a program stream and distributed via separate multicast group addresses. The program content is distributed via an alternative multicast group address during commercial intervals. Ports associated with respective users are mapped or otherwise associated with multiple multicast group addresses in a forwarding table thereby allowing distribution of supplementary content, or alternatively the program content, during commercial intervals. | 2009-03-26 |
20090080427 | MULTICAST ACCOUNTING CONTROL SYSTEM AND BROADBAND ACCESS SERVER - A listening-or-viewing charge is differentiated with bit rates depending on distributed programs. A broadband access server for holding user channels by PPP and replicating and transferring multicast packets have a counter for counting the number of distributed multicast packets and the number of distributed bytes at each multicast group address. The counter values (byte counts and packet counts) when a user joins a multicast group and when the user leaves the multicast group and a multicast session ID containing a PPP user ID and a multicast group address are sent to a multicast accounting radius server. The multicast accounting server provides an accounting on a basis of the byte counts, the packet counts, or a bit rate. | 2009-03-26 |
20090080428 | SYSTEM AND METHOD FOR SCALABLE SWITCH FABRIC FOR COMPUTER NETWORK - A system and method are provided for processing storage commands between a host and a target. The system includes a first line card, a system card, and a second line card. The storage command that is issued from the host is received by the first line card. The first line card determines whether or not it can process the request by itself and, if so, forwards the storage command to the second line card for forwarding (and eventual processing) by the target. If the first line card cannot process the storage command by itself, it forwards the storage command to the system card for additional processing. The revised storage command is issued from the system card to the first line card. The first line card then issues the revised storage command to the second line card for eventual processing by the target. | 2009-03-26 |
20090080429 | PACKET-BASED PROCESSING SYSTEM - A packet-based processing system suitable for various applications, such as for a base station or a terminal in a wireless communication system, is described. The packet-based processing system may include multiple processing modules and at least one transport module. The processing modules may send packets to one another via a common packet interface and may operate asynchronously. The transport module(s) may forward the packets sent by the processing modules and may operate asynchronously with respect to the processing modules. Each processing module may include a network interface, at least one buffer, a packet parser, a packet builder, and at least one processing unit. Each processing module may support at least one service. Each packet may include a header and a payload. The header may include a source service address for a source service sending the packet and a destination service address for a recipient service receiving the packet. | 2009-03-26 |
20090080430 | Host device interfacing with a point of deployment (POD) and a method of processing broadcast data - A host device interfacing with a point of deployment (POD) and a method of processing a broadcasting data are disclosed. An IP physical interface unit receives a frame including an internet protocol (IP) packet carrying broadcast data through a network modem. A Routing Engine transforms the frame to an IP packet and routs the IP packet based on a destination information included in the frame. And a Multiplexer generates an IP MPEG packet by appending a Packet Header carrying identification information to the IP packet, multiplexes the IP MPEG packet and forwards the multiplexed IP packet to the POD. | 2009-03-26 |
20090080431 | EDGE DEVICES FOR PROVIDING A TRANSPARENT LAN SEGMENT SERVICE AND CONFIGURATION SUCH EDGE DEVICES - A transport LAN segment service is provided over a transport network. The transport network will include edge devices configured to support one or more transparent LAN segments. Configuration is simplified by advertising TLS-port-label information, layer | 2009-03-26 |
20090080432 | SYSTEM AND METHOD FOR MESSAGE SEQUENCING IN A BROADBAND GATEWAY - A system and method for message sequencing in a broadband gateway comprising a receiver to receive two or more messages, a data storage system to store the two or more messages, an identifier to identify a processing sequence for the two or more messages, and a retriever to retrieve the two or more messages for processing based on the identified processing sequence for providing broadband DSL service to a customer. | 2009-03-26 |
20090080433 | Method and system for power consumption reduction by network devices as a function of network activity - A method and system may provide power consumption reduction by a network device. A device on a network and its components each may capable of operating in a low-power state and a high power state. The device may include a host to run an application and a network controller to interface with the network. The network controller may include a host interface logic to interface with host, a micro-engine or other logic to process network maintenance data packets, and a filter to classify data packets. The filter may classify a received data packet having an associated data type and an associated destination by data type by data type and destination. The data packet may be sent to the micro-engine if the data type and destination of the packet may be processed by the micro-engine. | 2009-03-26 |
20090080434 | IMA automatic cell scrambling detection - IMA Automatic Cell Scrambling Detection is a method for automatic IMA cell scrambling detection and configuration. The preferred embodiment of the invention utilizes a method whereby upon detection of a LIF condition on an IMA link, the edge services extender card periodically toggles the configuration of ATM cell payload scrambling from enabled to disabled until IMA framing is detected. | 2009-03-26 |
20090080435 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system comprises a baseband processor, a management processor and a presentation processor. The baseband processor receives a broadcast signal including mobile service data and main service data, wherein the mobile service data configure a Reed-Solomon (RS) frame. The RS frame includes at least one of the mobile service data and notification messages. The notification messages are packetized in accordance with any one of a first transport protocol and a second transport protocol. The management processor decodes the notification messages from the RS frame in accordance with any one of the first transport protocol and the second transport protocol. The presentation processor directly outputs the decoded notification messages to an output unit in accordance with a channel which transmits the decoded notification messages, or outputs the decoded notification messages to the output unit only if a user selects the notification messages. | 2009-03-26 |
20090080436 | Protection of Transit Links in a Network - A router identifies transit links and non-transit links. Only the non-transit links are advertised as routes to adjacent routers, thereby protecting the transit links from edge traffic which terminates on a network on one of the transit links. In another aspect of the invention, an administrative whitelist supplements the routes which identify the transit link network routes. In another aspect of the invention, a method for advertising routes identifies entries in a router table as broadcast or point-to-point. Only the router table entries for point-to-point links which are not transit or broadcast links that are not for a neighboring router are advertised, whereas the point-to-point transit links or broadcast transit links are advertised as transit links if an administrative whitelist is enabled. | 2009-03-26 |
20090080437 | Service selection in a shared access network using virtual networks - The present invention discloses a method and architecture for enabling multiple services or service providers to share the facilities of an access network infrastructure that provides physical connectivity to subscribers. | 2009-03-26 |
20090080438 | METHOD FOR ACCESSING VIRTUAL PRIVATE NETWORK, VIRTUAL PRIVATE SYSTEM, VIRTUAL PRIVATE NETWORK AND PROVIDER EDGE DEVICE THEREOF - A method for accessing VPN using PW Emulation Edge-to-Edge Virtual Leased Line includes: configuring a first PW ID in a first Provider Edge Device that hosts a VSI, and an IP address of a second Provider Edge Device that hosts a PW Emulation Edge-to-Edge Virtual Leased Line associated with the PW ID; sending a second PW ID of the second Provider Edge Device to the first Provider Edge Device; determining whether the second PW ID of the second Provider Edge Device matches the first PW ID of the first Provider Edge Device, and, if it matches, setting the state of the PW between the first Provider Edge Device and the second Provider Edge Device; delivering a Forwarding Table by the first Provider Edge Device; and establishing a bi-directional connection between the by the PW Emulation Edge-to-Edge Virtual Leased Line and the VSI. A Virtual Private System, a first Provider Edge Device, and a second Provider Edge Device are also provided. | 2009-03-26 |
20090080439 | SIMPLE, RELIABLE, CORRECTIONLESS COMMUNICATION MECHANISM - A server interconnect system includes a first server node operable to send and receive messages and a second server nodes operable to send and receive messages. The system further comprises a first interface unit in communication with the first server node and a second interface unit in communication with the second server node. The first interface unit has a first set of message send registers and a first set of message receive registers. Similarly, the second interface unit has a second set of message send registers and a second set of message receive registers. The server interconnect system also includes a communication switch that receives and routes a message from the first or second server nodes when either of the first or second registers indicates that a valid message is ready to be sent. A method implemented by the server interconnect system is also provided. | 2009-03-26 |
20090080440 | Method and Apparatus for Establishing and Managing Diameter Associations - The invention includes a method and apparatus for establishing DIAMETER associations between nodes of a network. The invention uses a DIAMETER application server disposed between DIAMETER nodes in order to establish DIAMETER associations between nodes and, further, to provide DIAMETER traffic load balancing using established associations. A method includes receiving a DIAMETER connection establishment request from an originating node requesting an association with a destination node, terminating the DIAMETER connection establishment request, obtaining respective DIAMETER associations for the originating node and the destination node, linking the obtained DIAMETER associations, and storing the linked DIAMETER associations. The DIAMETER association for a node may be obtained by identifying a node associated with the DIAMETER connection establishment request, determining if an association exists for the identified node, and retrieving the association from memory if an association exists for the identified node, retrieving the association from memory, or, if an association does not exist for the identified node, establishing the association. | 2009-03-26 |
20090080441 | TRAFFIC LOCALIZATION WITH PROXY MOBILITY - A method and nodes are provided for localizing traffic between communication nodes receiving service from a same network. A local mobility anchor informs media access gateways providing access to two communication nodes of each other's addresses. Traffic exchanged between the two communication nodes connected to the same network via these media access gateways are routed directly between the gateways, bypassing the local mobility anchor. | 2009-03-26 |
20090080442 | CONSERVING POWER IN A MULTI-NODE ENVIRONMENT - A coordinated mechanism to conserve power in a multi-node environment is disclosed. A multi-node environment may comprise multiple individual computer systems coupled by a network or, a shared memory architecture multiprocessors, or many-core computers. The power management features of the processor, platform elements, and the devices may be used to conserve power in a multi-node environment. A master node may determine the task and slave nodes required to perform the task and may wake-up the slave nodes required to perform the task while causing the other slave nodes to enter or continue in the sleep-state. The slave nodes, which are woken in-turn may determine the components of the slave nodes required for performing the assigned task and may cause other components to enter a sleep-state. | 2009-03-26 |
20090080443 | SYSTEM AND METHOD FOR REMOTELY ADMINISTERING AND SYNCHRONIZING A CLUSTERED GROUP OF ACCESS CONTROL PANELS - The present invention advantageously provides a system and method for remotely administering and synchronizing a clustered group of access control nodes using a gateway node. A device, such as a network browser, submits an update for one node of the cluster of nodes to a web server in the gateway node. The web server transmits, via a communication interface in the gateway node, the submitted update to the node configuration database of the appropriate node while the gateway updates its configuration database in accordance with the submitted update. In another embodiment, the device is a dedicated host computer. The data can be transmitted in accordance with a binary access protocol. | 2009-03-26 |
20090080444 | SYSTEM AND METHOD FOR MESSAGE PROCESSING IN A BROADBAND GATEWAY - A system and method for message processing in a broadband gateway comprising at least one receiver to receive one or more inbound messages, wherein the one or more inbound messages correspond to one or more senders, at least one module to process the one or more messages and to provide broadband network service to the one or more senders, and at least one transmitter to transmit one or more outbound messages to the one or more senders, where the system provides a decoupled processing architecture. | 2009-03-26 |
20090080445 | SYSTEM AND METHOD FOR MESSAGE RETRY IN A BROADBAND GATEWAY - A system and method for message retry in a broadband gateway comprising a receiver to receive one or more messages, a module to create an interface watch in the event one or more communications for processing the one or more messages cannot be established with one or more interfacing systems, and a terminator to terminate the processing of the one or more messages as a message processing safeguard during provisioning and activation of broadband DSL service to customers. | 2009-03-26 |
20090080446 | Mechanism for efficient endpoint discriminator allocation for APS protected MLPPP bundles on distributed routing systems - A mechanism and method for efficient endpoint discriminator allocation for APS protected MLPPP bundles on distributed routing systems, including one or more of the following: specifying working and protection MLPPP bundles; retrieving an endpoint discriminator for the working bundle and updating an endpoint discriminator of the protection bundle based on same; specifying MLPPP operating parameters for the bundles; associating the bundles with an APS circuit; adding links and corresponding discriminators in an LCP between a near end bundle and a far end bundle; bringing up an MLPPP session; and adding links between bundles upon an APS switchover. | 2009-03-26 |
20090080447 | RELAY DEVICE, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND COMPUTER PROGRAM - An IP address and a MAC address of each of communication devices connected to a plurality of communication ports provided in a switching hub device are associated in an ARP table. Also, priority information representing the communication priority of each communication device is received, and the received priority information is associated with the MAC address of the communication device. When no IP address of a transmission source included in a data packet received at each communication port exists in the ARP table, the IP address and the MAC address of the transmission source are added to the ARP table and priority information is attached to the ARP table. | 2009-03-26 |
20090080448 | MEDIA STREAMING DEVICE WITH GATEWAY FUNCTIONALITY - Various methods and devices provide place shifting of a media stream to a remote device while also providing network functionality for a local area network (LAN) and/or a wide area network (WAN). The gateway includes a media interface for receiving audio/visual (A/V) signals from the media source, as well as interfaces to the LAN and/or the WAN. A media streaming module receives the A/V signals from the media interface and processes the received A/V signals to thereby create the media stream. A modem module receives the media stream from the media streaming module via a dedicated connection, network switch and/or other connection, and transmits the media stream to the remote device via at least one of the first and second network interfaces. | 2009-03-26 |
20090080449 | METHOD AND DEVICE FOR CONTROLLING MEDIA RESOURCES, METHOD AND SYSTEM FOR ESTABLISHING CALLS - The present invention discloses a media resource control method, including indicating source attributes of locally transmitted and/or received media to a first media gateway. An operation on source attributes of media can be performed concurrently with or separately from that on destination attributes of media. The invention further provides a device and a call establishment method and system, which use the above media resource control method. Since source attributes of media provided at a termination are described, the remote end can be notified conveniently when destination attributes of media provided at the termination are inconsistent with the source attributes; and since a gateway can obtain descriptions of source attributes of media from indications of a media gateway controller, the invention meets a condition in which the media gateway can determine legality of a received media packet in accordance with source attributes of the media packet to thereby avoid processing of a trash message and prevent an attack. | 2009-03-26 |
20090080450 | METHOD AND APPARATUS FOR INTERACTION AMONG RESOURCE RESERVATION PROTOCOL NODES - A RSVP node apparatus and interaction method thereof are provided. The method includes transmitting a first message to a neighboring node of a RSVP-based first node when the RSVP-based first node disables the RSVP HELLO mechanism. When the neighboring node receives the message, it sets a sign indicating that the first node has disabled the RSVP HELLO mechanism and maintains the LSP passing through the first node, according to the disabling status of the RSVP HELLO mechanism of the first node. Prior to transmitting the first message, the first node queries if the neighboring node has enabled the RSVP HELLO mechanism, and transmits the first message only to neighboring node which enables the RSVP HELLO mechanism. | 2009-03-26 |
20090080451 | PRIORITY SCHEDULING AND ADMISSION CONTROL IN A COMMUNICATION NETWORK - Techniques for performing priority scheduling and admission control in a communication network are described. In an aspect, data flows may be prioritized, and packets for data flows with progressively higher priority levels may be placed at points progressively closer to the head of a queue and may then experience progressively shorter queuing delays. In another aspect, a packet for a terminal may be transferred from a source cell to a target cell due to handoff and may be credited for the amount of time the packet has already waited in a queue at the source cell. In yet another aspect, all priority and non-priority data flows may be admitted if cell loading is light, only priority data flows may be admitted if the cell loading is heavy, and all priority data flows and certain non-priority data flows may be admitted if the cell loading is moderate. | 2009-03-26 |
20090080452 | Packet processing apparatus and method codex - A packet processing apparatus and method are provided. The packet processing apparatus changes a size of an input packet, analyzes the input packet to perform a second layer associated process, generates basic delivery headers of the input packet, processes the input packet to which the basic delivery headers are inserted according to a type of the input packet, transforms the header of the input packet to which the basic delivery headers are inserted, and transitions the header-transformed input packet to delivers the packet. Accordingly, it is possible to process various packets without addition of separate process to the packet processing apparatus. In addition, a use efficiency of a network processing unit can be optimized, so that it is possible to increase a packet processing rate and performance. | 2009-03-26 |
20090080453 | CONTEXT AWARE IPV6 CONNECTION ACTIVATION IN A UPNP REMOTE ACCESS ENVIRONMENT - Systems and methods are provided to achieve remote access for Universal Plug and Play (UPnP) devices with Internet Protocol version 6 (IPv6) connectivity. Local discovery messages are monitored and it is determined when UPnP devices join or leave a UPnP network. It is also determined whether the joining devices utilize Internet Protocol version 4 (IPv4) or IPv6 connectivity. If it is determined that an additional IPv6 channel is needed to accommodate a UPnP device with IPv6 capabilities, a transport agent at a remote access server is configured. In addition, a transport agent at a remote access client is also configured. Thus, an IPv6 connection is activated allowing a joined remote UPnP device with IPv6 connectivity to interact to the home network remotely, as if the remote UPnP device was in the home network on an as-needed basis. | 2009-03-26 |
20090080454 | Signal Generating Apparatus and Signal Generation Method - A signal generating apparatus, which is adapted for outputting a multicarrier signal where data are multiplexed with respect to a plurality of subcarriers, includes: a rotation sequence selection signal generator for generating a plurality of rotation sequence selection signal sequences which vary the phase relationship between subcarriers on the basis of a plurality of phase rotation sequences and include the number of samples, which are smaller than that of actual transmission signals; and a minimum peak power signal generator for selecting a signal of which peak power becomes minimum from the plurality of rotation sequence selection signals to generate an actual transmission signal by using a phase rotation sequence multiplied with respect to the selected signal. | 2009-03-26 |
20090080455 | SYSTEMS AND METHODS FOR REDUCING DATA COLLISIONS IN WIRELESS NETWORK COMMUNICATIONS - The present disclosure generally relates to systems and methods for reducing data collisions in wireless networks. In one exemplary embodiment of the present disclosure, a node of a wireless network monitors traffic from at least one foreign network. The node attempts to identify patterns of communication in the foreign network. Based on an identified pattern, the node schedules a transmission during time period for which it is likely that the foreign network is not attempting a transmission that would otherwise interfere with the node's signal. Accordingly, the probability of a data collision is reduced. | 2009-03-26 |
20090080456 | Token passing data transfer mechanism for reservation based protocols - Establishing communication between a first device and a second device participating in a reservation based communication protocol over a communication network and sharing the reservation to allow for data to be transmitted from both devices during the reservation. | 2009-03-26 |
20090080457 | System and Method for Resolving Contention Among Applications Requiring Data Connections Between a Mobile Communications Device and a Wireless Network - A mobile communications device ( | 2009-03-26 |
20090080458 | Host device, a point of deployment (POD), and a method of identifying an operation mode - A host device, a point of deployment (POD), and a method for recognizing an operation mode are disclosed. The host device interfaces with a point of deployment (POD), and checks an operation mode of the POD. The interface unit includes CD1#, CD2#, VS1#, VS2#, VPP1, VPP2, and ISIO16# ports. The controller detects Card Information Structure (CIS) information from the POD if each of the VS1# and VS2# ports is set to ‘Logic Low’, and determines whether the POD supports an Internet Protocol (IP) Card S-Mode on the basis of the detected CIS information. | 2009-03-26 |
20090080459 | Long-reach ethernet for 1000BASE-T and 10GBASE-T - A physical-layer device (PHY) having corresponding methods comprises: a data rate module to select a data rate divisor N, where N is at least one of a positive integer, or a real number greater than, or equal to, 1; and a PHY core comprising a PHY transmit module to transmit first signals a data rate of M/N Gbps, and a PHY receive module to receive second signals at the data rate of MIN Gbps; wherein the first and second signals conform to at least one of 1000BASE-T, wherein M=1, and 10GBASE-T, wherein M=10. | 2009-03-26 |
20090080460 | System and method for providing bandwidth signaling across cryptographic boundaries in a network - The use of Protocol Enhancing Proxies (PEPs) and HAIPE encryption has traditionally been mutually exclusive. IP-layer encryption renders the upper layers, such as TCP, unavailable to the PEP. By integrating the IP layer encryption into the modem and using additive or multiplicative increase and decrease signals as bandwidth notification, signaling is provided across the cryptographic boundary to support the use of a bandwidth aware PEP in a network protected by IP-layer encryption. | 2009-03-26 |
20090080461 | FRAME ALTERATION LOGIC FOR NETWORK PROCESSORS - Packet switching node in a communication system includes apparatus for receiving incoming information packets or frames which contain header portions with formatting control blocks. Information in the frame's header contains frame alteration commands for modifying the information in the frame. The modifications include adding new information, deleting information, and overlaying information. Decoders and control devices in an alteration engine interpret the commands and apply the modifications to the frame data. Common and standard data patterns are stored for insertion or overlaying to conserve data packet space. | 2009-03-26 |
20090080462 | System and Method for Transferring Data Packets Through a Communication System - A communication system, network, interface, and port architecture are provided for transporting data across a network. The network can be arranged by connecting the ports in a daisy chain fashion to achieve a ring architecture or topology. The network forwards data according to a specific network protocol. A first port forwards frames having a preemptive acknowledge field before the payload. A second port receives these frames, stores them in a frame buffer and modifies the preemptive acknowledge field according to its available frame buffer capacity. Said first port controls its data flow according to the modified preemptive acknowledge field. | 2009-03-26 |
20090080463 | METHOD, APPARATUS AND SYSTEM FOR DETECTING SEQUENCE NUMBER OF PACKET FOR TRANSMISSION OF MULTI-UNITS - The present invention discloses a method for detecting sequence number of the packet during multi-units sending process, wherein all of the sequence numbers of the packets are pre-divided into non-overlapping subsets, the number of the subsets being at least equal to the number of units comprised by the sending party, and each subset is assigned to a unit; the receiving party determines a sliding window according to each subset, and records the correlation between the sliding window and the sequence number subset; then, the receiving party determines whether the packet is a valid packet according to the correlation and the sequence number of the packet sent from the sending party. At the same time, the invention discloses a packet sending device, a packet receiving device, and a system for detecting sequence number of the packet during multi-units sending process. With the invention, the sequence numbers of the packets sent by the units of the sending party are not overlapped, and after the receiving party receives a packet, it finds the corresponding sliding window according to the sequence number and detects the validity of the packet, so that the accuracy of packet validity detection may be improved, and packet loss may be avoided. | 2009-03-26 |
20090080464 | MULTIMEDIA DATA SYNCHRONIZATION METHOD AND SYSTEM - A multimedia data system comprising a synchronization unit. The synchronization unit receives a demodulated bitstream, checks whether a FAW pattern corresponding to a candidate of the bitstream exists, checks whether an additional information corresponding to the candidate of the bitstream is valid when the FAW pattern exists, determines a hit weighting corresponding to the candidate according to the checking result, determines whether the hit weighting meets a criterion and outputs a synchronization signal when the hit weighting meets the criterion. | 2009-03-26 |
20090080465 | MULTIPLEXER CIRCUIT - Disclosed herein is a multiplexer circuit. The multiplexer circuit includes a first differential output unit, a second differential output unit, and a selection unit. The first differential output unit receives NRZ input signals (D | 2009-03-26 |
20090080466 | COHERENT LIGHT SOURCE AND RECORDING AND REPRODUCTION DEVICE USING THE SAME - For performing hologram recording or reproduction, an oscillation wavelength half value width Δλ of a coherent light source | 2009-03-26 |
20090080467 | Pulse repetition frequency-multipler for fiber lasers - MOPA laser apparatus includes a master oscillator and a preamplifier providing a train of optical pulses. The pulse train is input to a fiber optic device arranged to multiply the pulse-repetition frequency (PRF) of the input pulse train. The PRF multiplying device divides each pulse in the into train into two pulses and delays one pulse relative to the other, some portion of one of the pulses and a portion of the other are delivered by the fiber optic PRF multiplying device as an output pulse-train having a PRF equal to twice the PRF of the input pulse train. | 2009-03-26 |
20090080468 | Locally perturbed optical fibers for mode transformers - The specification describes optical devices and related methods wherein the input has multiple modes, and at least one of the multiple modes are respectively converted by one or more multiple mode transformers to produce an output with predetermined modes that are different from the input. In one embodiment the output mode is a single mode. In another embodiment the power ratios of the input modes are controllably changed. In another embodiment one or more output mode is different from the input mode. | 2009-03-26 |
20090080469 | Optical coupler devices, methods of their production and use - The present invention relates to an optical component comprising an acceptance fibre, e.g. a photonic crystal fibre, for propagation of pump and signal light, a number of pump delivery fibres and a reflector element that reflects pump light from the pump delivery fibres into the acceptance fibre. It is an object of the invention to provide a fibre coupler for coupling two or more light sources into a multi-clad (e.g. double clad) optical fibre, which has practical advantages with respect to handling, loss and back reflection. An object of the invention is achieved by an optical component comprising a) a first fibre having a pump core with an NA1, and a first fibre end; b) a number of second fibres surrounding said pump core of said first fibre, at least one of said second fibres has a pump core with an NA2 that is smaller than NA1, said number of second fibres each having a second fibre end; and c) a reflector element comprising an end-facet with a predetermined profile for reflecting light from at least one of said second fibre ends into the pump core of said first fibre. The invention further relates to articles comprising the optical component (e.g. a laser or amplifier), to methods of its production and use. The invention further relates to a rod-type optical fibre with optimized stiffness to volume ratio. The invention may e.g. be useful in applications such as fibre lasers or amplifiers, where light can be coupled efficiently from pump sources to an acceptance fibre, e.g. a double clad fibre, using the optical component. The invention specifically addresses optical fibre amplifiers where pump light and signal light are propagating in different directions (counter-propagating pump) within a double-clad optical fibre. | 2009-03-26 |
20090080470 | Locally perturbed optical fibers for mode transformers - The specification describes optical devices and related methods wherein an input mode is converted by multiple LPG mode transformers to produce an output with multiple predetermined modes. | 2009-03-26 |
20090080471 | DISPERSION MANAGED FIBER STRETCHER FOR HIGH-ENERGY SHORT PULSE FEMOTOSECOND FIBER LASER SYSTEM - A fiber Chirped Pulse Amplification (CPA) laser system that includes a fiber mode-locking oscillator for generating a seed laser for projecting to a stretcher for generated a pulse-stretched laser for projecting to a multiple stage amplifier. The multiple stage amplifier further amplifying said laser for projecting to a compressor for compressing said laser to generate an output laser of an original pulse width. In this invention, pulse stretcher is implemented with a special dispersion management fiber that has a flat dispersion or a negative TOD (dispersion slope, or a slope of dispersion versus wavelength). | 2009-03-26 |
20090080472 | Optical fiber for an optical fiber laser, method for fabricating the same, and optical fiber laser - The optical fiber | 2009-03-26 |
20090080473 | SEMICONDUCTOR SATURABLE ABSORBER AND FABRICATION METHOD THEREOF - A semiconductor saturable absorber and the fabrication method thereof are provided. The semiconductor saturable absorber includes a Fe-doped InP substrate, a periodic unit comprising an AlGaInAs QW formed on the Fe-doped InP substrate and an InAlAs barrier layer formed on one side of the AlGaInAs QW, and another InAlAs barrier layer formed on the other side of the AlGaInAs QW. Each of the InAlAs barrier layers has a width being a half-wavelength of a light emitted by the AlGaInAs QW. | 2009-03-26 |
20090080474 | MODE-LOCKED LASER APPARATUS - A mode-locked laser apparatus includes a resonator (laser cavity), a mode-locking device placed in the resonator, a solid-stated laser medium that is doped with Yb (ytterbium) and placed in the resonator and an excitation means for causing excitation light to enter the solid-state laser medium. In the mode-locked laser apparatus, light with an oscillation wavelength in a wavelength band on the longer wavelength side of the maximum peak wavelength in a fluorescence spectrum of the solid-state laser medium is used as output light. | 2009-03-26 |
20090080475 | WAVELENGTH CONVERSION OPTICAL ELEMENT, METHOD FOR FABRICATING WAVELENGTH CONVERSION OPTICAL ELEMENT, WAVELENGTH CONVERSION DEVICE, ULTRAVIOLET LASER IRRADIATOR AND LASER MATERIAL PROCESSING SYSTEM - An optical wavelength conversion element includes a cesium-lithium-borate crystal processed into a 10-mm long optical element cut in an orientation that allows a fourth harmonic of a Nd:YAG laser to be generated. A transmittance (Ta) at 3589 cm | 2009-03-26 |
20090080476 | Immersion lithography laser light source with pulse stretcher - An apparatus and method which may comprise a pulsed gas discharge laser which may comprise a seed laser portion; an amplifier portion receiving the seed laser output and amplifying the optical intensity of each seed pulse; a pulse stretcher which may comprise: a first beam splitter operatively connected with the first delay path and a second pulse stretcher operatively connected with the second delay path; a first optical delay path tower containing the first beam splitter; a second optical delay path tower containing the second beam splitter; one of the first and second optical delay paths may comprise: a plurality of mirrors defining the respective optical delay path including mirrors located in the first tower and in the second tower; the other of the first and second optical delay paths may comprise: a plurality of mirrors defining the respective optical delay path including mirrors only in one of the first tower and the second tower. | 2009-03-26 |
20090080477 | SEED SOURCE FOR HIGH POWER OPTICAL FIBER AMPLIFIER - Methods and systems are provided to reduce stimulated Brillouin scattering in high power optical fiber amplifiers. In an embodiment, a seed source includes a narrow linewidth semiconductor laser driven with a current ramp that simultaneously sweeps the optical power and the lasing frequency at a rate fast enough to reduce stimulated Brillouin scattering. | 2009-03-26 |
20090080478 | METHOD AND APPARATUS FOR CHANGING THE LENGTH OF A LASER PULSE - The apparatus for extending or lengthening a laser pulse has a beam splitter. An incident laser pulse is split by the beam splitter into at least one first partial pulse and a second partial pulse. The first partial pulse is conducted through a delaying travel path section with a number of reflectors. The apparatus is characterized by a plurality of the variable delaying travel path sections which produce different length laser beam pulses from a single incident laser pulse. | 2009-03-26 |
20090080479 | METHOD AND SYSTEM FOR OPERATING AN ATOMIC CLOCK USING A SELF-MODULATED LASER WITH ELECTRICAL MODULATION - A polarization gain medium such as an emitting laser diode provides the optical pumping. An atomic vapor cell is positioned in the laser cavity providing spontaneous push-pull optical pumping inside the laser cavity. This causes the laser beam to be modulated at hyperfine-resonance frequency. A clock signal is obtained from electrical modulation across the laser diode. | 2009-03-26 |
20090080480 | LASER-INDUCED OPTICAL WIRING APPARATUS - A laser-induced optical wiring apparatus includes a substrate, first and second light-reflecting members provided on the substrate separately from each other, an optical waveguide provided on the substrate for optically coupling the first and second light-reflecting members to form an optical resonator, a first optical gain member provided across the optical waveguide and forming a laser oscillator along with the first and second light-reflecting members, and a second optical gain member provided across the optical waveguide separately from the first optical gain member, and forming another laser oscillator along with the first and second light-reflecting members. | 2009-03-26 |
20090080481 | Semiconductor Device with Corner Reflector - A semiconductor laser device ( | 2009-03-26 |
20090080482 | GAIN-COUPLED DISTRIBUTED FEEDBACK SEMICONDUCTOR LASER INCLUDING FIRST-ORDER AND SECOND-ORDER GRATINGS - A gain-coupled distributed feedback (DFB) semiconductor laser includes a grating formed by grooves through at least a part of an active region of a laser cavity. The DFB laser may be configured with a substantially pure gain-coupled grating and may be configured to provide facet power asymmetry. The grating may include at least a first-order grating section and a second-order grating section. A lasing wavelength may be obtained at the Bragg wavelength of the second-order grating section by substantially eliminating index coupling in the grating. The first-order grating section may act as a reflector for the lasing wavelength, thereby producing asymmetric power distribution in the laser cavity. | 2009-03-26 |
20090080483 | SEMICONDUCTOR LASER DEVICE AND MANUFACTURING METHOD THEREOF - A semiconductor laser device includes a first semiconductor laser element and a second semiconductor laser element. The first semiconductor laser element has a first end face window structure that is a region including first impurities formed near an end face, and the second semiconductor laser element has a second end face window structure that is a region including second impurities formed near an end face. The distance from a lower end of a first active layer to a lower end of the first end face window structure is shorter than the distance from a lower end of a second active layer to a lower end of the second end face window structure. | 2009-03-26 |
20090080484 | SEMICONDUCTOR LASER APPARATUS - A semiconductor laser apparatus can improve electric conversion efficiency to a satisfactory extent. The apparatus includes an n-type cladding layer, an n-type cladding layer side guide layer, an active layer, a p-type cladding layer side guide layer, and a p-type cladding layer, wherein electrons and holes are injected into the active layer, transverse to the active layer, through the n-type cladding layer side guide layer and the p-type cladding layer side guide layer. The p-type cladding layer side guide layer is thinner than the n-type cladding layer side guide layer to position the active layer closer to the p-type cladding layer, and, at the same time, the refractive index of the p-type cladding layer side guide layer is higher than the refractive index of the n-type cladding layer side guide layer. | 2009-03-26 |
20090080485 | Nitride semiconductor laser device - The present invention relates to a nitride semiconductor laser device having a structure in which two or more of nitride semiconductor laser elements, having at least a first electrode on a first main surface of a first conductive type conductive substrate, having at least a first conductive type nitride semiconductor layer, an active layer, a second conductive type nitride semiconductor layer, and a second electrode on a second main surface of the conductive substrate, and having a stripe-waveguide structure parallel to the first main surface, are arranged in a direction parallel to the first main surface and a direction perpendicular to the direction of light that is emitted from the stripe waveguide structure in the nitride semiconductor laser device, and the first sub-mount and the first electrode of the nitride semiconductor laser element are electrically and heat-conductively connected, and the second sub-mount and the second electrode of the nitride semiconductor laser element are electrically and heat-conductively connected. | 2009-03-26 |
20090080486 | Laser Device Using an Inorganic Electro-Luminescent Material Doped With a Rare-Earth Element - A laser device using an inorganic electro-luminescent material doped with a rare-earth element is provided. A dielectric layer such as SiO | 2009-03-26 |
20090080487 | Vertical cavity surface emitting laser diode (VCSEL) with enhanced emitting efficiency - A vertical cavity surface emitting laser diode (VCSEL) is disclosed, which reduces the light scattering by the step formed at the interface between the dielectric DBR and the semiconductor that reflects the mesa shape of the tunnel junction. The dielectric DBR of the invention includes a plurality of first films with relatively smaller refractive index and a plurality of second films with relatively larger refractive index. These first and second films are alternately stacked to each other to cause the periodic structure of the refractive indices. The VCSEL of the invention, different from the conventional device, provides the dielectric film with relatively larger refractive index that directly comes in contact with the semiconductor to set the node of the optical standing wave at the interface between the dielectric DBR and the semiconductor. | 2009-03-26 |
20090080488 | SURFACE EMITTING LASER - A surface emitting laser including a semiconductor substrate, a semiconductor substrate, a first reflector formed on the semiconductor substrate, an active layer formed on the first reflector, a tunnel junction layer formed above a part of the active layer, a semiconductor spacer layer which covers the tunnel junction layer, a second reflector formed on the semiconductor spacer layer in a region above the tunnel junction layer, a first electrode formed in the periphery of the second reflector on the semiconductor spacer layer, and a second electrode electrically connected to a layer lower than the active layer, wherein a layer thickness of the semiconductor spacer layer in the region directly above the tunnel junction layer is thinner than the layer thickness of the semiconductor spacer layer in the region directly below the first electrode. | 2009-03-26 |
20090080489 | VERTICAL CAVITY SURFACE EMITTING LASER AND IMAGE FORMING APPARATUS USING THE VERTICAL CAVITY SURFACE EMITTING LASER - Provided is a laser having a multilayer reflector that suppresses the multimode operation. A vertical cavity surface emitting laser includes a first mirror, a cavity having an active layer, and a second mirror that are laminated. The second mirror is a multilayer reflector comprised of a first layer and a second layer that are alternately plurally laminated, the second layer having a refractive index higher than that of the first layer. At least one of the plural second layers has an oxidized confinement structure having an oxidized region and a non-oxidized region. | 2009-03-26 |
20090080490 | Systems, Devices, and/or Methods for Managing a Thermocouple Module - Certain exemplary embodiments can provide a system, which can comprise a thermocouple input module. The thermocouple input module can be adapted to determine one or more calibration factors. The thermocouple input module can be adapted to store the calibration factors. The thermocouple input module can be adapted to apply the calibration factors to an incoming thermocouple voltage value to obtain an adjusted thermocouple voltage value. | 2009-03-26 |
20090080491 | METHOD FOR EVALUATING THE DETERIORATION OF MAGNETO-RESISTIVE EFFECT DEVICE - The estimation method of the invention for estimating the deteriorations of a magneto-resistive effect device by heat shocks involves applying heat shocks by laser irradiation to a structure including a thin-film magnetic head comprising a magneto-resistive effect device to propagate them to the magneto-resistive effect device, thereby causing the deteriorations of the magneto-resistive effect device. Thus, (1) the deterioration mode phenomenon of “local overheating plus vibration” can be imitated in a simple yet very approximate state so that a device likely to undergo characteristics deteriorations due to the thermal asperity problem can be detected early at an initial fabrication process stage, and (2) what specifications a head device structure less likely to offer the thermal asperity problem is in can be judged at a product development stage. | 2009-03-26 |
20090080492 | Temperature sensor for internal combustion engine - A misfire in a combustion chamber of an internal combustion engine is detected by measuring a combustion chamber temperature with a temperature sensor element without using a pressure sensor having a low heat-resistive property. A temperature sensor includes an elongated probe portion extending from a housing. The housing is mounted on an engine so that the probe portion is exposed to the combustion chamber. A diaphragm is disposed on a tip of the probe portion, and a sensor element such as a thin film thermistor is mounted on the diaphragm, preferably on a rear surface of the diaphragm where the sensor element is not directly exposed to mixture gas in the combustion chamber. The sensor element may be embedded in the diaphragm. The probe portion of the temperature sensor may be integrally formed in a spark plug thereby to save a space for mounting the temperature sensor on the engine. | 2009-03-26 |
20090080493 | Apparatus and method for generating a monocycle - An apparatus for generating a monocycle comprises an input signal source ( | 2009-03-26 |
20090080494 | Communication system and communication method - A communication system is disclosed that includes a first device that performs communication of information with the outside; a second device through which the information is input and output; and a relay device that performs wired communication with the first device and wireless communication with the second device to relay the information between the first device and the second device. | 2009-03-26 |
20090080495 | GROUPWISE SUCCESSIVE INTERFERENCE CANCELLATION FOR BLOCK TRANSMISSION WITH RECEPTION DIVERSITY - A plurality of data signals are received over an antenna array having a plurality of antenna elements. The data signals are transmitted over a shared spectrum in a wireless communication system. A signal having each of the data signals is received over each antenna element. The plurality of data signals are grouped into a plurality of groups. The received signals of the antenna elements are matched filtered for a first group of the plurality of groups, producing a matched filtered result. Data is jointly detected of the first group using the matched filtered result. An interference correction signal is constructed using the detected data for each antenna element. The interference cancelled result is subtracted from the received signal of each antenna element, producing an interference cancelled result for each antenna element. Data is successively detected for remaining groups using the interference cancelled result for each antenna element. | 2009-03-26 |
20090080496 | USER EQUIPMENT FOR CONTROLLING TRANSMISSION POWER LEVELS - A user equipment (UE) with circuitry configured to determine a pathloss associated with a received signal. The circuitry is configured to receive an adjustment and adjust a value in response to the received adjustment. The circuitry is configured to determine a transmit power level based on multiplying the determined pathloss by a parameter and adding the adjusted value to a result of the multiplying, wherein the parameter is value in the range of 0 to 1. The circuitry is configured to transmit a signal at the determined transmit power level. | 2009-03-26 |
20090080497 | SYSTEM AND METHOD FOR CONCURRENT FREQUENCY HOPPING OF RADIO COMMUNICATIONS - A method and system for selecting frequency channels for a concurrent dual transceiver system are provided. In one aspect, a single hop table for at least two transceivers is used. The single hop table tracks information associated with a plurality of frequency channels that the transceivers can use. An available frequency channel is randomly selected using the single hop table and a transceiver is allowed to communicate via the selected frequency channel for allowed time duration. If communication has not completed for the current communication request, another frequency channel that is available is selected randomly and used. Multiple transceivers may communicate concurrently using this frequency channel selection and hopping method. | 2009-03-26 |
20090080498 | ADAPTIVE RADIO FREQUENCY INTERFERENCE MITIGATION DURING CHANNEL SCANNING OR HOPPING - In some embodiments an adaptive clock controller is to determine clock interference associated with a channel changing pattern for a radio in a computing platform, and to determine an earliest switching time of a clock of the computing platform. A clock generator is to change a frequency of the clock in response to the determined clock interference and in response to the earliest switching time. Other embodiments are described and claimed. | 2009-03-26 |
20090080499 | INTERFERENCE MANAGEMENT EMPLOYING FRACTIONAL CODE REUSE - Interference that occurs during wireless communication may be managed through the use of fractional reuse and other techniques. In some aspects fractional reuse may relate to HARQ interlaces, portions of a timeslot, frequency spectrum, and spreading codes. Interference may be managed through the use of a transmit power profile and/or an attenuation profile. Interference also may be managed through the use of power management-related techniques. | 2009-03-26 |
20090080500 | Reference Signal Structure for OFDM Based Transmissions - A method for transmitting a plurality of sequences across a plurality of bands of a wireless spectrum is described in which a first sequence is produced using a set of reference signal sequences, wherein the set of reference signal sequences comprises at least CAZAC sequences and near-CAZAC sequences. A second sequence is also produced. The first sequence is transmitted in a first band of the wireless spectrum, and the second sequence is transmitted in a second band of the wireless spectrum. The first and the second sequences are transmitted concurrently by a same user equipment. | 2009-03-26 |
20090080501 | MOBILE COMMUNICATION SYSTEMS AND RANGING METHODS THEREOF - A mobile communication system, including: first and second nodes, wherein the first node includes: a first transmitter and a first receiver, and wherein the second node includes: a second receiver receiving a ranging signal from the first transmitter; a frequency synthesizer generating an internal signal in response to a sensing of the reception of the ranging signal; a digital circuit calculating a beat frequency by comparing the ranging signal to the internal signal and evaluating a time lapse from the reception of the ranging signal until the sensing of the reception of the ranging signal by using the beat frequency, wherein the time lapse is part of a response time of the second node; and a second transmitter providing the first receiver with the ranging signal that includes the response time of the second node. | 2009-03-26 |
20090080502 | METHOD AND SYSTEM FOR DISTRIBUTED TRANSCEIVERS BASED ON RF QUADRATURE AND LO QUADRATURE FILTERING FOR HIGH FREQUENCY APPLICATIONS - Aspects of a method and system for distributed quadrature transceiver using phase shifting may include frequency-translating a first signal to generate a second signal and a third signal, utilizing a plurality of conversion stages, wherein in at least one of said plurality of conversion stages, a first frequency scaled signal and a second frequency scaled signal may be summed. A third frequency scaled signal and a fourth frequency scaled signal may be summed. The first signal may be the corresponding input signal to at least one of the plurality of conversion stages, and the second signal and the third signal may be generated from one or more output signals of the plurality of conversion stages. | 2009-03-26 |
20090080503 | APPARATUS AND METHOD FOR CONTROLLING AN OPERATION OF AN APPARATUS - The present invention relates to various embodiments of an apparatus, particular to an apparatus comprising a radio signal transmitter and/or receiver circuitry and to a method for controlling an operation of an apparatus. | 2009-03-26 |
20090080504 | Delay compensation for transmit/receive chain calibration and multiuser MIMO - Compensation is provided for errors in channel information that can result when there is a delay between the measurement of the channel information and the subsequent use of the channel information. In one embodiment, downlink channel prediction is performed within a user device, in a system employing closed loop MIMO with implicit feedback, to reduce the occurrence of errors during the calculation of a calibration parameter within an associated base station. In another embodiment, channel prediction is used to predict a downlink channel state for a user device at a future time when a multi-user MIMO data transfer is to occur between a base station and a number of selected user devices. | 2009-03-26 |
20090080505 | RANGING AND ROUND TRIP DELAY TIMING ADJUSTMENT IN A MULTI-POINT TO POINT BIDIRECTIONAL COMMUNICATION SYSTEM - Systems and methods for ranging adjustments are provided. In one embodiment, a remote service unit comprises: a transceiver communicatively coupled with a host in a multi-point to point configuration, the transceiver configured to communicate with the host via an OFDM waveform; and a multi-carrier modem coupled to the transceiver and configured to demodulate downstream information data from the OFDM waveform, the multi-carrier modem further configured to modulate upstream information data onto the OFDM waveform. The multi-carrier modem modulates upstream information data onto distinct subcarriers of the OFDM waveform, the multi-carrier modem synchronized with the host so that upstream OFDM signals transmitted by the transceiver and other upstream OFDM signals received at the host unit combine to a unified OFDM waveform. The multi-carrier modem adjusts a round trip path delay between the remote service unit and the host based on a path delay correction received from the host unit. | 2009-03-26 |
20090080506 | RECEIVER EMPLOYING NON-PILOT REFERENCE CHANNELS FOR EQUALIZING A RECEIVED SIGNAL - In one embodiment, a receiver has a reference generator and a main equalizer. The reference generator equalizes a received signal using one or more pilot reference signals. Then, the reference generator decodes one or more predetermined data channels of the equalized signal, makes hard decisions on the data of each decoded channel, and regenerates the original coding sequence of each decoded channel. The main equalizer uses each re-encoded channel as an additional reference signal along with one or more pilot signals to equalize a time-delayed version of the received signal. In alternative embodiments, the receiver might also have a step-size generator which selects optimum step sizes from a look-up table based on the number of re-encoded channels and the power of those channels. The step size is then used by the main equalizer along with the re-encoded channels to equalize the time-delayed received signal. | 2009-03-26 |
20090080507 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiver receives a broadcast signal including mobile service data and main service data. A known data detector detects known data from the broadcast signal. An equalizer performs channel equalization on the mobile service data received by means of the detected known data. A RS frame decoder acquires a RS frame from the channel-equalized mobile service data. A management processor checks a TP header contained in the RS frame, and identifies which data is contained in the RS frame. MH presentation processor displays the data contained in the RS frame. | 2009-03-26 |