49th week of 2012 patent applcation highlights part 35 |
Patent application number | Title | Published |
20120307757 | IMPLICIT COMPONENT CARRIER DETERMINATION FOR APERIODIC CHANNEL QUALITY REPORTS - The present invention relates to triggering, in a terminal of a communication system, channel quality feedback reporting for at least one of plural component carriers of the communication system available for downlink transmission. The at least one component carrier is selected based on the downlink traffic of the terminal. Reporting of the channel quality information is triggered by dedicated control information received by the terminal. | 2012-12-06 |
20120307758 | APPARATUS AND METHOD FOR PERFORMING AN UPLINK HARQ IN A WIRELESS COMMUNICATION SYSTEM - Provided are an apparatus and method of performing an uplink hybrid automatic repeat request (HARQ) in a wireless communication system. A terminal transmits a transport block to a base station via a physical uplink shared channel (PUSCH) using uplink resource allocation and receives an ACK/NACK signal for the transport block from the base station via a physical hybrid-ARQ indicator channel (PHICH). A PHICH resource used for transmitting the PHICH is identified from a PUSCH resource used for transmitting the PUSCH, and the PUSCH resource is mapped to the PHICH resource according to an uplink element carrier through which the transport block is transmitted. | 2012-12-06 |
20120307759 | BASE STATION APPARATUS, MOBILE STATION APPARATUS AND CONTROL INFORMATION TRANSMISSION METHOD - The present invention is directed to preventing occurrence of PDCCH blocking while reducing PDCCH detection errors. The present invention provides a search space size adaptive control section ( | 2012-12-06 |
20120307760 | METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - The present invention provides a method and apparatus for transmitting uplink control information (UCI) by user equipment in a wireless communication. The user equipment performs channel coding on information bits of the UCI to generate encoding information bits; performs modulation on the thus generated encoding information bits to generate complex modulation symbols; spreads the complex modulation symbols block-wise to a plurality of single carrier-frequency division multiple access (SC-FDMA) symbols based on an orthogonal sequence; and transmits the spread complex modulation symbols to a base station. | 2012-12-06 |
20120307761 | METHODS AND APPARATUS FOR DOWNLINK PDSCH POWER SETTING - In a communication system, a base station transmits power setting information in a downlink Physical Downlink Shared Channel (PDSCH). A mapping scheme between overhead signals and reference signal (RS) overhead ratios, and the traffic-to-pilot ratios (T2P) calculation methods are established. A user-specific T2P ratio for certain OFDM symbols, a RS overhead ratio and a calculation method selected from the plurality of T2P calculation methods are assigned to a wireless terminal. An overhead signal corresponding to the assigned RS overhead ratio and the assigned T2P calculation method is selected in accordance with the mapping scheme and transmitted to the wireless terminal. In addition, the user-specific traffic-to-pilot ratio is transmitted to the wireless terminal. The wireless terminal calculates the traffic-to-pilot ratios across different transmission antennas and different OFDM symbols based on the received traffic-to-pilot ratio, the RS overhead ratio and the T2P calculation method indicated by the RS overhead signal. | 2012-12-06 |
20120307762 | METHOD FOR MULTI-CHANNEL RESOURCE RESERVATION IN A WIRELESS MESH NETWORK - In a mesh network a multiband OFDM Alliance (MBOA) system provides higher channel access efficiency through a Distributed Reservation Protocol (DRP). A MBOA Physical layer (PHY) and a MBOA Medium Access Control (MAC) are used to increase the efficiency of the mesh network. | 2012-12-06 |
20120307763 | WIRELESS COMMUNICATION SYSTEM - A wireless communication system is disclosed including a MIMO wireless communication apparatus that can communicate through multiple antennas and a non-MIMO wireless communication apparatus that can communicate through a single antenna or multiple antennas. The MIMO wireless communication apparatus includes a communication unit configured to transmit and receive control information divided into a second control information containing information related to the demodulation and decoding of traffic channel and a first control information containing information related to the MIMO separation of the second control information. | 2012-12-06 |
20120307764 | METHOD FOR ESTABLISHING BEARER FOR MACHINE TO MACHINE SERVICE AND NETWORK TRANSMISSION DEVICE - Embodiments of the present invention relate to a method for establishing a bearer for a machine to machine service and a network transmission device, where the method includes: receiving a user plane resource establishment request message sent by an MTC device, where the user plane resource establishment request message includes at least one of MTC features, QoS requirements, a service indication request and a group identity; determining negotiated QoS parameters according to the user plane resource establishment request message; and establishing a transmission bearer with the MTC device according to the negotiated QoS parameters. The present invention provides a method for establishing a transmission bearer between a network and an MTC device. | 2012-12-06 |
20120307765 | Fair Resource Sharing in Wireless Communication - Providing for fair resource sharing among wireless nodes in a wireless communication environment is described herein. By way of example, fairness can comprise establishing a set of resource sharing credits for wireless nodes. By expending credits, a node can borrow a resource of another node, to enable or enhance operation of the borrowing node. Credits for the borrowing node are decreased based on consumption of a shared resource, or credits for the lending node are increased based on such consumption, or both. Once an amount of credits expires, a node can be restricted from borrowing further resources until enough resources are lent to build up a suitable amount of credits. Accordingly, fairness can comprise correlating shared resource consumption with shared resource provisioning, to encourage participation in cooperative wireless communications. | 2012-12-06 |
20120307766 | COMMUNICATION SYSTEM, BASE STATION, MOBILE STATION, METHOD FOR MOBILE STATION, AND METHOD FOR COMMUNICATION SYSTEM - A mobile station in a communication system including a base station, the mobile station includes a unit for sending a signal that allocates a plurality of different Zadoff-Chu sequences to a frame to the base station. | 2012-12-06 |
20120307767 | PROCESSING METHOD AND MOBILE STATION DEVICE - A communication system, a mobile station device, a base station device, and a processing method for carrying out processing involved in introducing a contention based uplink efficiently, and carrying out communication promptly are provided. A mobile station device communicating with a base station device in a mobile communication system obtains an uplink grant from the base station device, and when the uplink grant is a normal grant, cancels a pending scheduling request, and when the uplink grant is a grant for a contention based uplink, not canceling the pending scheduling request. | 2012-12-06 |
20120307768 | METHOD, DEVICE AND SYSTEM FOR INDICATING USER EQUIPMENT-SPECIFIC DEMODULATION REFERENCE SIGNAL - A method, a device and a system for indicating terminal specific Demodulation Reference Signal (DMRS) are provided by the invention. The method includes that: a network side creates signal indicating information, and sends the created signal indicating information to a terminal (S | 2012-12-06 |
20120307769 | WIRELESS COMMUNICATION SYSTEM, MASTER COMMUNICATION DEVICE, SLAVE COMMUNICATION DEVICE, AND CHANNEL ALLOCATION INFORMATION NOTIFICATION METHOD - A base station allocates at least one of a plurality of wireless channels included in a used frequency hand to a mobile station. The base station includes: a used frequency hand determination unit for determining at least a part of a predetermined frequency band as the used frequency band; a message generation unit for generating a control message including used frequency band information which is placed in a predetermined position and which indicates the determined used frequency hand, and channel allocation information which has a size corresponding to a bandwidth of the used frequency band and which indicates the wireless channel to be allocated to the mobile station; and a modem and a wireless communication unit for transmitting the generated control message to the mobile station. | 2012-12-06 |
20120307770 | RADIO BASE STATION, CONTROL PROCESSOR, PROGRAM AND RADIO RESOURCE ALLOCATION CONTROL METHOD - A radio base station ( | 2012-12-06 |
20120307771 | METHOD AND APPARATUS FOR ALLOCATION OF DISCONTINUOUS UPLINK RESOURCE - The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and apparatus for transmitting an uplink signal in a wireless communication system, wherein the method for transmitting an uplink signal in a wireless communication system comprises: a step of receiving a control channel signal containing resource allocation information; and a step of transmitting an uplink signal in accordance with the control channel signal, wherein the resource allocation information has a combination index r to be used for indicating two sets of resource blocks, and each set of resource blocks includes one or more continuous resource blocks. | 2012-12-06 |
20120307772 | METHOD OF SWITCHING A PERIODIC/APERIODIC TRANSMISSION OF A CHANNEL ESTIMATION REFERENCE SIGNAL, AND APPARATUS AND METHOD FOR A TRANSMITTING/RECEIVING CHANNEL ESTIMATION REFERENCE SIGNAL USING THE SAME - A method for switching between periodic transmission and aperiodic transmission of a channel estimation reference signal for scheduling resources in an Orthogonal Frequency Division Multiple Access (OFDMA) system and an apparatus to transmit/receive the reference signal using the same. To schedule periodic and aperiodic transmission of the channel estimation reference signal, a predetermined type of transmission indicator is used, the transmission indicator including one or more bits of a periodic/aperiodic identification indicator. According to the present embodiment, when periodic and aperiodic transmission of the channel estimation reference signal is mixedly performed, interference between user equipment or between cells can be minimized, and a transmission efficiency of the reference signal can be enhanced. | 2012-12-06 |
20120307773 | Scheduling Request and ACK/NACK Simultaneous Transmission/Prioritization Over PUCCH in LTE - The invention is related to an apparatus including at least one processor and at least one memory including a computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: prioritize either a positive or negative acknowledgement transmission or a scheduling request information transmission, or generate a simultaneous transmission of said transmissions for separate resources, and/or overbook a physical uplink control channel by extending scheduling request configuration signaling, and/or randomizing a physical uplink control channel resource. | 2012-12-06 |
20120307774 | NETWORK ACCESS METHOD AND SYSTEM FOR MACHINE TYPE COMMUNICATIONS - The present invention provides a network access method and system for Machine Type Communications (MTC), wherein the method comprises the following steps: an MTC device sends a preamble to a base station; the base station sends a Random Access Response (RAR) to the MTC device; if the RAR does not contain a temporary access resource assignment indication, the MTC device sends a Layer 2/Layer 3 message to the base station; otherwise, the MTC device re-attempts to perform network access; the base station sends a contention resolution message to the MTC device; if the contention resolution message contains a self-identification contained in the Layer 2/Layer 3 message sent by the MTC device, the network access is completed; if the contention resolution message contains the temporary access resource assignment indication, the MTC device re-attempts to perform the network access; otherwise, the MTC device attempts to perform the network access using the originally used access resource again. According to the present invention, it is enabled to dynamically and quickly perform assignment and release of MTC access resources based on actual access resource collisions, which thereby avoids waste of uplink resources in a semi-static configuration, reduces the possibility of collision, and protects normal access of non-MTC devices. | 2012-12-06 |
20120307775 | METHOD AND APPARATUS FOR PERFORMING A HYBRID AUTOMATIC REPEAT REQUEST PROCESS FOR AN UPLINK MULTI-CODEWORD TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM WHICH SUPPORTS A MULTI-ANTENNA TRANSMISSION - The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for performing a hybrid automatic repeat request process for an uplink multi-codeword transmission in a wireless communication system which supports a multi-antenna transmission. The uplink multi-codeword transmission method according to one embodiment comprises the following steps: transmitting first and second codewords, transmitting information on the status of transmission buffer for the first and second codewords, receiving downlink control information (DCI) containing acknowledgement (ACK)/negative acknowledgement (NACK) information on each of the first and second codewords, and re-transmitting the codeword for NACK information, wherein the codeword for NACK information, wherein the codeword for ACK information is not transmitted to a base station in cases where the transmission buffer is empty. | 2012-12-06 |
20120307776 | BASE STATION RESOURCE ALLOCATION METHOD IN A WIRELESS COMMUNICATION SYSTEM AND A DEVICE FOR THE SAME - The present invention relates to a resource allocation method in a wireless communication system, and to a device for the same. | 2012-12-06 |
20120307777 | METHOD, SYSTEM AND DEVICE FOR SCHEDULING NON-CONTENTION BASED RANDOM ACCESS AND TRANSMITTING PREAMBLE - A method, system and device for scheduling a non-contention based random access and transmitting a preamble are provided in the present invention. The present invention belongs to wireless telecommunication field and is used to solve a problem that the prior art is not able to support cross carrier non-competing random access scheduled by a Physical Downlink Control Channel (PDCCH). In the present invention, a Base Station (BS) adds Uplink Component Carrier (ul cc) identification information in a Downlink Control Information (DCI) signaling which is used to schedule a User Equipment (UE) to implement non-competing random access; and sends the UE the DCI signaling through the PDCCH. After detecting the DCI signaling, the UE sends the network side a preamble sequence on a UL CC corresponding to the UL CC identification. With the present invention, support is provided to realize cross carrier non-competing random access scheduled by PDCCH. | 2012-12-06 |
20120307778 | TRANSMISSION DEVICE AND TRANSMISSION METHOD - Disclosed are a transmission device and a transmission method with which it is possible to prevent delays in data transmission and to minimize the increase in the number of bits necessary for the notification of a CC to be used, in cases where a CC to be used is added during communication employing carrier aggregation. When a component carrier is to be added to a component carrier set, a setting section ( | 2012-12-06 |
20120307779 | DATA TRANSMISSION METHOD AND DEVICE IN WIRELESS COMMUNICATION SYSTEM - A data transmission method and device are provided in a wireless communication system. A user equipment transmits uplink data using a first physical uplink shared channel (PUSCH) resource, allocated to a first component carrier (CC) among a plurality of CC's, in a sounding reference signal (SRS) subframe. The plurality of CC's in said SRS subframe includes a single carrier-frequency division multiple access (SRS SC-FDMA) symbol, which is reserved for transmitting SRS. | 2012-12-06 |
20120307780 | MOBILE COMMUNICATION SYSTEM - A mobile communication system capable of easily notifying the interference-related information and avoiding interference in a situation in which a macro cell and local nodes are deployed to coexist. In the system, a macro cell (eNB) notifies, via user equipments (UEs) present in a coverage, HeNBs present in the coverage of the interference-related information related to the interference to a physical resource to be used, for example, a high interference indication (HII) and an overload indicator (OI). | 2012-12-06 |
20120307781 | MOBILE STATION APPARATUS, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - Disclosed is a mobile communication system and a mobile communication method which enable high-quality transmission and reception of hybrid automatic repeat request (HARQ) control information when a base station apparatus and a mobile station apparatus communicate using a broad frequency band formed by a plurality of component carriers. In a mobile communication system where a base station apparatus and a mobile station apparatus communicate using a plurality of downlink component carriers, the base station apparatus allocates a physical uplink shared channel (PUSCH) resource to the mobile station apparatus for the transmission of HARQ control information, and the mobile station apparatus uses the PUSCH resource to transmit HARQ control information to the base | 2012-12-06 |
20120307782 | METHOD OF FREQUENCY CHANNEL ASSIGNMENT USING EFFECTIVE SPECTRUM SENSING IN MULTIPLE FREQUENCY ASSIGNMENT SYSTEM - A method of assigning a frequency channel using efficient spectrum sensing in a multiple Frequency Assignment system includes a channel sensing process, wherein a base station of a secondary user classifies multiple frequency channels licensed to a primary user into a plurality of channel state sets according to usage states, periodically senses channel states by changing a sensing period according to the types of classified channel state sets, and manages the sensed channel states as frequency channel state set information; a channel state set broadcasting process; and a channel assigning process. Accordingly, a frequency channel can be assigned to a secondary user requesting channel assignment using frequency channel state set information without a primary user experiencing interference noise. | 2012-12-06 |
20120307783 | METHOD AND UNIT FOR EFFICIENT REPORTING OF SCHEDULING INFORMATION IN A WIRELESS TELECOMMUNICATIONS SYSTEM - A method in a wireless communication system for reporting buffer information includes selecting, a format for a buffer report based on a number of radio bearer groups, k, for which data is available for transmission by a user equipment. The buffer report indicates a respective buffer fill level for one or more radio bearer groups associated with the user equipment. The method also include encoding a buffer fill level for one or more radio bearer groups in a buffer report in accordance with the selected format and transmitting the buffer report. | 2012-12-06 |
20120307784 | Considering Mobile Station Capability in Negotiating Quality of Service for Packet Switched Services - Mobile station capabilities are made available to a radio access network node. The radio access network node determines whether the requested quality of service can be supported by the mobile station in its current cell. These capabilities are taken into account in negotiating a quality of service for a packet flow involving the mobile station. | 2012-12-06 |
20120307785 | METHOD FOR SENDING STATUS INFORMATION IN MOBILE TELECOMMUNICATIONS SYSTEM AND RECEIVER OF MOBILE TELECOMMUNICATIONS - Discussed is a method of sending status information (STATUS PDU) in which a receiving side reports a data received state to a transmitting side in a mobile telecommunication system. A receiving side RLC entity considers an available radio resource to construct a status PDU fit to the size of the radio resource and then sends the constructed status PDU to a transmitting side RLC entity, thereby avoiding a deadlock situation of RLC protocols. | 2012-12-06 |
20120307786 | System and Method for Dynamic Allocation of Capacity on Wireless Networks - A wireless communication system is described for allocating limited network access according to priorities designated for requested transactions of wireless communications. The wireless network has a number of access links for transmitting transactions for wireless communications. A plurality of wireless communications devices requests transmission of transactions on the wireless network. A designated priority level is associated with each transaction. In response to the transaction requests, an access control manager in the wireless network schedules transmission of transactions when all of the plurality of access links are occupied, by authorizing a transmission of a transaction of higher priority than another transaction that is being transmitted, and discontinuing the transmission of the transaction of lower priority. | 2012-12-06 |
20120307787 | ARRANGEMENT AND METHOD FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEMS - Systems and methodologies are described that facilitate arrangement and transmission of control information in a wireless communication system. As described herein, a scheduled transmission of acknowledgement (ACK) signaling and channel quality information (CQI) signaling in a common subframe can be adapted for network implementations with limited link budget wherein ACK signaling is configured for repetition over multiple subframes to ensure a desired error rate level for the ACK signaling. To these ends, various aspects described herein facilitate modification of a coding rate applied to ACK signaling to be transmitted with data based on a repetition factor of the ACK signaling. Additionally and/or alternatively, various aspects described herein facilitate dropping of CQI signaling and transmission of only ACK signaling on subframes where CQI and ACK signaling are to be transmitted substantially simultaneously and ACK transmission is configured for repetition over multiple subframes. | 2012-12-06 |
20120307788 | System and Method for Modulation Scheme Changes - A system and method are disclosed that allow changes of a modulation and coding scheme (MCS) without overhead signaling. A priori, a network device and a user device know the manner in which the MCS will be changed. In one embodiment, the network device indicates the MCS to be used to decode a second portion of a message in a first portion of the message. In another embodiment, the user device blind detects the MCS used over a sub-set of MCSs. | 2012-12-06 |
20120307789 | METHOD AND APPARATUS FOR FORMING SIGNALS IN WIRELESS COMMUNICATION SYSTEMS - Provided is method of forming a signal in a wireless communication system in which a plurality of terminals commonly use a resource in the time domain and the frequency domain. The method includes multiplying a signal to be transmitted by a frequency domain orthogonal code symbol corresponding to a first cyclic shift index in a first slot to be transmitted to a base station, wherein the multiplying is performed by a first terminal and a second terminal; and multiplying information to be transmitted by a frequency domain orthogonal code symbol corresponding to a second cyclic index that is different from the first cyclic index of the first slot to be transmitted to the base station, in a second slot, wherein the multiplying is performed by the first terminal and the second terminal. | 2012-12-06 |
20120307790 | SYMMETRIC TRANSMIT OPPORTUNITY (TXOP) TRUNCATION - Various embodiments of symmetric transmit opportunity (TXOP) truncation (STT) systems and methods are disclosed. One method embodiment, among others, comprises receiving a frame that truncates a TXOP around a first station, and responsive to receiving the frame, sending a second frame that truncates the TXOP around a second station. Others system and method embodiments are disclosed. | 2012-12-06 |
20120307791 | Methods and Devices for Controlling Handover - Methods and devices in a cellular radio system for handling repeated handovers of a user equipment between a pair of cells is provided. It is determined if the user equipment is in one of two states, moving state or stationary state. Based on the determination different actions can be taken. For example threshold optimizations for reducing repeated handover may only be applied to a user equipment determined to be in a stationary state or a user equipment determined to be in a stationary state to can be nailed to the best cell of said pair of cells by not allowing the user equipment to handover to the other cell of said pair of cells. | 2012-12-06 |
20120307792 | WI-FI VIRTUAL PORT UPLINK MEDIUM ACCESS CONTROL - Uplink medium access control on per-wireless device level. An access point sends a beacon frame to a wireless device. The beacon frame includes a BSSID that is unique to the wireless device. The beacon frame also includes embedded uplink configurations specifying uplink medium access for the wireless device. In one embodiment, a controller recognizes a device or user associated with the device, and sends corresponding uplink configurations for embedding in a subsequent beacon frame. | 2012-12-06 |
20120307793 | METHODS AND APPARATUS FOR PERFORMING HANDOVER BETWEEN A LONG TERM EVOLUTION (LTE) NETWORK AND ANOTHER TYPE OF RADIO ACCESS NETWORK - A method for performing handover by wireless User Equipment (UE) is provided. The UE includes a Long Term Evolution-Mobile Extreme Convergence (LTE-MXC) application processor, a LTE processor and a Digital Signal Processor (DSP). The UE buffers a set of IP packets when a Radio Access Technology (RAT) indicator is less than a pre-defined threshold and sends the set of IP packets to the LTE processor and the DSP. The LTE processor transmits the set of IP packets to the LTE network and sends acknowledgement signals to the LTE-MXC application processor and the DSP. When the handover is complete, the LTE processor sends the transmission status of the set of IP packets to the DSP. The UE also includes multimode Radio Resource Control (RRC) and Non-Access Stratum (NAS) modules. | 2012-12-06 |
20120307794 | METHOD AND APPARATUS FOR INTER-DEVICE TRANSFER (HANDOFF) BETWEEN IMS AND GENERIC IP CLIENTS - A method of Inter-User Equipment (UE) Transfer (IUT) for use in a Home enhanced-Node B (H(e)NB), the method comprising receiving a transfer command from a first IMS capable WTRU via IMS signaling, translating the transfer command to a non-IMS based message, and transmitting the translated non-IMS based message to a Service Centralization and Continuity Application Server (SCC AS). | 2012-12-06 |
20120307795 | MOBILE COMMUNICATION METHOD AND GATEWAY DEVICE - A handover method according to the present invention includes a step of transmitting, by a radio base station HeNB# | 2012-12-06 |
20120307796 | Method, System and Device for Controlling Handover of User Terminal Device - Embodiments of the invention provide a method and system for controlling handover of a user terminal device. | 2012-12-06 |
20120307797 | GATEWAY SELECTION METHOD, APPARATUS AND SYSTEM DURING HETEROGENEOUS NETWORK HANDOVER - Embodiments of the present invention disclose a gateway selection method for heterogeneous networks, where the method includes: accessing, by a terminal, an access network | 2012-12-06 |
20120307798 | Session Management Method and System Based on M2M Application, and Apparatus - Embodiments of the present invention disclose a session management method and system based on an M2M application and an apparatus. The method includes: first acquiring gateway equipment information and group number information of a group user device; when acquiring that group information of the group user device changes, according to the gateway equipment information and the group number information of the group user device, instructing a gateway equipment to execute bearer change processing on the group device, and executing the bearer change processing on the group user device, so as to reduce signaling congestion on a network side and correspondingly reduce a network load. | 2012-12-06 |
20120307799 | METHOD AND MOBILE TERMINAL DEVICE FOR SUPPORTING MULTIPLE SIMULTANEOUS PDN CONNECTIONS TO THE SAME APN - A method for supporting selection of PDN connections for a mobile terminal, wherein the mobile terminal is connected to an access point, and wherein the mobile terminal is in active mode having at least one ongoing session to an APN via a PDN gateway—first PDN gateway—, includes the steps of monitoring whether a more suitable PDN gateway—second PDN gateway—than the first PDN gateway becomes available for the mobile terminal, and, if available, establishing any new sessions of the mobile terminal to the APN by establishing a new PDN connection to the second PDN gateway, while keeping already ongoing sessions associated with the existing PDN connection to the first PDN gateway. Furthermore, a mobile terminal with PDN connection selection support is disclosed. | 2012-12-06 |
20120307800 | Enhanced Single Voice Radio Call Continuity Using Packet Data Network Bi-Casting - A method can comprise providing single voice radio call continuity using packet data network bi-casting, wherein the call continuity is provided during a handover of a user equipment from a real-time transport protocol voice to a circuit switched voice call In such a method, the real-time transport protocol voice can be carried m a long term evolution system and the circuit switched voice call can be carried in a second or third generation system The method can be performed by a serving network of the user equipment. | 2012-12-06 |
20120307801 | CONTEXT HANDLING METHOD - The present invention relates to a method for context handling when a user equipment ( | 2012-12-06 |
20120307802 | INTERNETWORKING TECHNIQUES FOR TRANSFERRING PACKETS BETWEEN SOURCE AND TARGET SERVING GATEWAYS - Techniques for wireless communications include operating first and second access networks to provide wireless service to wireless devices. The first and second access networks are associated with respective first and second gateways. The first gateway is operated to (1) receive a request for transferring wireless service of a wireless device from the second access network to the first access network and (2) send a message that includes key information to the second gateway based on the request. The second gateway is operated to (1) send session context information to the first gateway in response to the message and (2) forward a data packet associated with the wireless device to the first gateway. The forwarded data packet includes a packet data network identifier (PDN-ID) to identify a packet data network (PDN) associated with a downlink data packet. | 2012-12-06 |
20120307803 | METHOD AND APPARATUS FOR UPDATING A KEY IN AN ACTIVE STATE - A method for updating a key in an active state is disclosed according to the embodiments of the present invention. The method includes steps of: initiating a key update by a user equipment in the active state or a network side when a pre-defined condition is met; updating the key by the network side and the user equipment, and negotiating an activation time of the new keys. An apparatus for updating a key in an active state is also disclosed according to the present invention. With the present invention, the user equipment in an active state and the network side may actively initiate the key update procedure in different cases, thereby solving the problem concerning the key update for a session in an active state. | 2012-12-06 |
20120307804 | DYNAMIC BANDWIDTH ALLOCATION TO TRANSMIT A WIRELESS PROTOCOL ACROSS A CODE DIVISION MULTIPLE ACCESS (CDMA) RADIO LINK - A technique for transmission of wireless signals across CDMA radio links. Bandwidth is allocated dynamically within a session to specific CDMA subscriber unit based upon data rate determinations. Specifically, a dynamic bandwidth allocation algorithm operates from limits calculated based upon available ports per subscriber, expected user bandwidth, and parallel user bandwidth versus throughput. Provisions for priority service, unbalanced forward and reverse spectrum utilization, voice prioritization, and band switching are also made. | 2012-12-06 |
20120307805 | METHOD AND APPARATUS FOR CODE DIVISION SWITCHING - Time division multiplexed input signals (i.e., separated into time slots) are spread in each time slot with a destination code. This spreading is applied for destination identification as opposed to signal information modulation. Each spreading signal is associated with a particular destination for a particular time slot. These spread signals are then combined on a code division bus. Output signals for retransmission to the destinations are recovered from the bus by application of despreading codes. Each despread signal has a destination code which appears in its individual time slot. In a variant code division multiplexed signals are directed to a destination by use of time slot interchanger to achieve time division switching to route the CDMA multiplexed channels. | 2012-12-06 |
20120307806 | Video sub-reservation protocol in a wireless ecosystem - Video sub-reservation protocol in a wireless ecosystem. Appropriate access is provided to a number of wireless communication devices to ensure very high performance and a high perceptual user experience with respect to media related content communications. Access to the communication medium (e.g., air within a wireless location system) is provided to various wireless communication devices in a manner as to minimize collisions and contention. In one instance, different respective access assignment periods are sub-divided to give respective communication medium access to various devices within the system. Such sub-reservation may be adaptive in response to any of a number of considerations (e.g., traffic, device processing history, etc.). Also, such sub-reservation may provide respective time specificity at or during which certain devices may conduct communications, but may also specify any other operational parameters (e.g., which frequency spectra to use, duration of such communications, modulation coding set (MCS) to use, etc.). | 2012-12-06 |
20120307807 | WIRELESS COMMUNICATION SYSTEM - A wireless communication system equipped with a base station, and at least one of wireless communication terminals which perform packet communication with respect to the base station by using at least one carrier, and wireless communication terminals which perform packet communications with respect to the base station by using a plurality of carriers at the same time. The wireless communication terminal includes: an allocation information allocating section for allocating allocation information for one carrier or a plurality of carriers to a wireless communication terminal when at least one carrier is allocated to the wireless communication terminal; and an allocation information storage section for storing said allocation information for one carrier or a plurality of carriers; wherein the wireless communication terminal judges a destination of a communication packet transmitted from the base station based upon the allocation information contained in a header of the transmitted packet so as to be communicated with the base station. | 2012-12-06 |
20120307808 | DETERMINING UE INTERFERENCE DURING HANDOVER IN ENHANCED INTER-CELL INTERFERENCE COORDINATION - A method of wireless communication determines a UE interference condition during handover. A target cell receives information that indicates an interference condition of a user equipment (UE). Prior to completing handover, the target cell determines an expected UE interference condition that will arise after completing the handover of the UE at a target base station. The information can be determined based on a message from the UE. The UE message may indicate which cell is the strongest, indicate the interference condition at both the source and target cells, or only provide a measurement of the strongest cell. Based on the UE measurements, the target eNodeB may schedule the UE on resources based on the expected interference condition at the UE that may arise after the handover. | 2012-12-06 |
20120307809 | ALTERNATE CHANNEL FOR CARRYING SELECTED MESSAGE TYPES - A method is implemented by a subscriber unit in a wireless communication for establishing a network session. The subscriber unit encodes an acknowledgment message for transmission on a shared reverse link channel to a base station. Acknowledgment information associated with a received session tag at the subscriber unit to the base station is transmitted over the shared reverse link channel, on a condition that the session tag is received from a network server via the base station on a forward link channel and identified by the subscriber unit. The acknowledgment is transmitted on a reverse traffic channel on a condition that the session ID tag is not identified by the subscriber unit. | 2012-12-06 |
20120307810 | RANDOM TIMING OFFSET DETERMINATION - Methods, systems and instructions stored on computer-readable media for generating, at a first node, a plurality of data units. The plurality of data units are spread with a common pseudo-noise (PN) code that is used by a plurality of nodes, including the first node and a second node, that are in communication with an access point. A random timing offset is determined, and a first data unit is transmitted to the access point at a first time based upon a slot start time and the random timing offset. The first data unit is transmitted while at least a portion of a second signal is transmitted from the second node such that both the first data unit and the second signal are received by the access point. The second signal is transmitted at a second time based on the slot time and a second random timing offset. | 2012-12-06 |
20120307811 | APPARATUS AND METHOD FOR ESTABLISHING UPLINK SYNCHRONIZATION IN A WIRELESS COMMUNICATION SYSTEM - A method for establishing uplink synchronization in a base station, according to one embodiment of the present description, comprises performing a process for connection to user equipment, setting component carrier aggregation information, generating uplink timing groups from the set component carrier aggregation, and transmitting, via a plurality of component carriers, information on the thus-generated uplink timing groups simultaneously to the user equipment. | 2012-12-06 |
20120307812 | MOBILE COMMUNICATION SYSTEM, BASE STATION, MOBILE STATION, AND WIRELESS COMMUNICATION METHOD - A base station ( | 2012-12-06 |
20120307813 | Methods for Routing of Calls in Internet Protocol Multimedia Subsystem Centralized Services Networks and Related Gateway Mobile Switching Centres (GMSC) and Home Location Registers (HLR) - Methods for routing a call involving an Internet Protocol (IP) Multimedia Subsystem Centralized Services (ICS) subscriber accessing an IP Multimedia Subsystem (IMS) network using a circuit switched (CS) access network are provided. The method includes receiving an incoming call request for a user at a gateway Mobile Switching Centre (GMSC); accessing a Location Register storing information relating to the user to determine if the user is an ICS subscriber; and generating and forwarding a SIP INVITE message to the IMS to establish the call if it is determined that the user is an ICS subscriber. Related Gateway Mobile Switching Centres (GMSCs) and Home Location Registers (HLR) are also provided herein. | 2012-12-06 |
20120307814 | Polling using B-ACK for occasional back-channel traffic in VoWIFI applications - Polling using B-ACK for occasional back-channel traffic in VoWIFI applications. Within wireless communication systems having a relatively asymmetric channel (e.g., relative more downstream traffic than upstream), certain upstream communications (e.g., acknowledgments (ACKs) and/or block acknowledgments (B-ACKs)) include indication therein (e.g., piggybacked therein) that a given downstream located communication device desires/needs to make upstream communication. In some instances, specificity is also provided therein to indicate the type of information to be transmitted upstream. Such a communication protocol mitigates (or eliminates) contention between upstream and downstream traffic in an environment with significantly more downstream traffic (e.g., such as ongoing downstream traffic that may include streaming video). A coordinating device (e.g., access point (AP)) may employ such upstream provided indicia to coordinate upstream and downstream communications within the wireless communication system in a non-contentious manner that does not deleteriously affect ongoing downstream traffic. | 2012-12-06 |
20120307815 | Wireless Communication System and Device For Coupling A Base Station and Mobile Stations - A wireless communication system comprising first and second transceivers. The first transceiver communicate with a base station, wherein the base station communicates with the first transceiver and a plurality of other wireless communication devices according to a wide area wireless communication protocol. The second transceiver is coupled to the first transceiver and communicates with a first mobile station, wherein the second transceiver communicates with the first mobile station according to a local area wireless communication protocol. The first transceiver receives from the base station a first downlink signal intended for the first mobile station and transmits the first downlink signal to the second transceiver. The second transceiver re-transmits the first downlink signal to the first mobile station as a second downlink signal according to the local area wireless communication protocol. | 2012-12-06 |
20120307816 | Wireless routing device - The disclosure discloses a wireless routing device. The device include: a wideband wireless access module configured to implement wireless access of wideband data; an embedded operating system software module, embedded in the wideband wireless access module, configured to enable a user to access a wireless local area network (WLAN), and to forward the wideband data received from the wideband wireless access module to a WLAN communication module; the wireless local area network communication module is configured to receive the wideband data and to enable users in the WLAN to share the wideband data; and a power supply module configured to supply power for the wideband wireless access module and the wireless local area network communication module. The disclosure adequately utilizes the hardware resources of the wideband wireless access module, and saves a hardware of an independent Access Point (AP) Router processor module so that the hardware structure is simpler, the power consumption is lower during the normal standby and operation, and meanwhile the lasting time of the battery mode is longer, and the portability and the mobility of the wireless route product are improved. | 2012-12-06 |
20120307817 | METHOD AND APPARATUS FOR USING 802.11 WLANS IN TV WHITE SPACE - A method and apparatus for using 802.11 Wireless LANs in TV white space are provided that additionally allows coexistence with non-802.11 devices in the same spectrum space. The method and apparatus extend concepts used in traditional 802.11 applications in the MAC and PHY layers so that WLANs can function over TV white space channels. The method and apparatus also facilitates coexistence of non 802.11 devices and existence with other 802.11 applications by extending the Enhanced Distributed Channel Access mechanism used to provide quality of service. An OFDM system with fixed subcarrier spacing is suggested to accommodate spectrum characteristics (variable center frequency and channel bandwidth) of the TVWS. | 2012-12-06 |
20120307818 | CYCLIC PREFIX FOR NON-CONTIGUOUS SIGNAL TRANSMISSION - Transmitted signals are modified to facilitate the emulation of circular convolution in non-contiguous transmission environments. These modified signals may be derived from well-known signature sequences. In an exemplary method, a tail portion of a final segment of a base signal is prefixed to an initial segment of the base signal, to form a first transmit segment. One or more additional transmit segments are formed by prefixing, to each of the one or more segments of the base signal other than the initial segment, a tail portion of the immediately preceding segment of the base signal. The transmit segments so formed are transmitted in respective ones of the plurality of non-contiguous transmit-time intervals. Corresponding methods for receiving the transmitted segments and reconstructing the base signal are also described, as are corresponding transmitting and receiving apparatuses. | 2012-12-06 |
20120307819 | METHOD AND APPARATUS FOR INTERLEAVING DATA IN A MOBILE COMMUNICATION SYSTEM - An interleaving method to which time-first-mapping is applied in a mobile communication system is provided. The interleaving method includes writing coded bits into an interleaver on a row-by-row basis, and reading the coded bits written in the interleaver on a column-by-column basis, wherein the coded bits are written by groups having a size according to a modulation order | 2012-12-06 |
20120307820 | PSS Detection Process for an LTE Communication Network - Cell detection process for a communication network, such as a Long Term Evolution (LTE) system; comprising the steps of: receiving signal samples (i.e. OFDM samples in the case of LTE) transmitted by at least one Base Station (BS); performing a first Primary Synchronization Signal (PSS) correlation measurement with a predetermined PSS sequence in order to generate a first PSS correlation measurement sequence; performing a second Primary Synchronization Signal (PSS) correlation measurement in order to generate a second PSS correlation measurement sequence; comparing said first and second correlation measurement sequences with a predetermined threshold in order to determine peak values, determining common peak values substantially corresponding to similar locations within the half radio frame, and identifying the PSS corresponding to said common peak positions. | 2012-12-06 |
20120307821 | APPARATUS AND METHOD FOR ESTABLISHING UPLINK SYNCHRONIZATION IN A WIRELESS COMMUNICATION SYSTEM - Uplink synchronization establishment in a base station which operates a plurality of component carriers according to one embodiment of the present description, is performed in that the base station is connected to a user equipment, sets component carrier aggregation information, generates an uplink timing groups in the set component carrier aggregation, and transmits information on the thus-generated uplink timing groups to the user equipment. | 2012-12-06 |
20120307822 | FIBRE CHANNEL FORWARDER FABRIC LOGIN SEQUENCE - For a fibre channel forwarder fabric login sequence in a fibre channel switch environment, where a Fibre Channel Forwarder (cFCF) is separated from a Fibre Channel over Ethernet (FCoE) data forwarder (FDF), at a Fibre Channel Login (FLOGI) to a target device from an initiator device, a node address acceptance notification is held from reaching the initiator device until each of the zoning distributions have been considered to have been completed. | 2012-12-06 |
20120307823 | PACKET TRANSFERRING NODE - In a conventional “distributed” integrated network node architecture, specific judgment processes cannot be executed in any routing and transferring unit. The routing and transferring unit is required to share judgment process related information with an enhanced processing unit or other routing and transferring units. Thus, when using enhanced processing units, manufacturing costs increase, while processing speed decreases when routing and transferring units cooperate. If any flow is disposed during a transfer from a packet transferring unit in a routing and transferring unit to a processing unit, the packet is disposed regardless of packet priority. In the present invention, a packet related to a specific judgment process is always transmitted to a specific routing and transferring unit from a line interface unit. If an inputted flow is over the transferring capacity, the line interface unit analyzes the packet header and determines the type, transport priority, and disposal priority of the packet. | 2012-12-06 |
20120307824 | Method and network access device for enabling data forwarding between different physical mediums - The disclosure discloses a network access device and a method for enabling data forwarding between different physical mediums. The method comprises: a network access device establishing a first Point-to-Point Protocol virtual channel (PPP channel) based on a first physical medium and a second PPP channel based on a second physical medium; the network access device performing channel negotiations with the first PPP channel and with the second PPP channel respectively, and the network access device setting a relationship between the first PPP channel and the second PPP channel to be a binding relationship, when the channel negotiations of the two virtual channels succeed, to enable data forwarding between the first physical medium and the second physical medium. The disclosure can enable data forwarding quickly and efficiently. The networking mode is simple and the operation cost is low. | 2012-12-06 |
20120307825 | MAINTAINED MESSAGE DELIVERY DURING ROUTING DOMAIN MIGRATION - In one embodiment, an ingress device of a first routing domain in a computer network buffers received packets, and in response to receiving a request from a particular node indicating that the particular node has migrated from the first routing domain to a second routing domain, determines how to reach the particular node in the second routing domain, and forwards the buffered received packets to the particular node in the second routing domain, accordingly. In another embodiment, a device in the first routing domain migrates from the first routing domain to a second routing domain, and determines its new IP address. The device may then send a request to the first ingress router to forward buffered packets for the device to the second routing domain at the new IP address, and may thus receive buffered packets forwarded from the first ingress router at the device in the second routing domain. | 2012-12-06 |
20120307826 | MEDIUM FOR STORING PACKET CONVERSION PROGRAM, PACKET CONVERSION APPARATUS AND PACKET CONVERSION METHOD - Upon obtaining a packet including a broadcast/multicast MAC address from a virtual machine, a packet conversion apparatus obtains, based on first association information, a subnet identifier corresponding to the MAC address of the obtained packet, also obtains, based on second association information, a packet type identifier corresponding to the MAC address of the obtained packet, converts the packet to be transmitted to a different computer via a network into a multicast packet by setting the subnet identifier obtained based on the first association information and the packet type identifier obtained based on the second association information in a field of the MAC address of the packet to be transmitted, and transmits the packet to be transmitted, which is obtained by being converted, to the different computer via the network. | 2012-12-06 |
20120307827 | MULTI-PROCESSOR APPARATUS USING DEDICATED BUFFERS FOR MULTICAST COMMUNICATIONS - An apparatus includes a multiprocessor including a plurality of processors including respective memories. Each of the memories has a dedicated storage location for multicast messages. At least one bus is coupled in common to the plurality of processors. The apparatus further includes an IPC unit coupled to the at least one bus and configured to retrieve multicast messages from the dedicated storage locations via the at least one bus and to selectively route the retrieved multicast messages among the plurality of memories. | 2012-12-06 |
20120307828 | Method and System of Frame Forwarding with Link Aggregation in Distributed Ethernet Bridges - Embodiments relate to forwarding of packets in link aggregation environments. A method for forwarding a packet through an extended switch including a first port extender and a second port extender directly or indirectly communicatively coupled to respectively a first interface and a second interface of a controlling bridge includes, associating a first port extender interface of the first port extender with a global namespace or an interface-specific namespace. The method further includes receiving a packet through the first port extender interface, marking the received packet with an indication of the namespace configuration of the first port extender interface, processing the marked packet in the controlling bridge based at least in part upon the indication, and transmitting the processed packet out of the controlling bridge. | 2012-12-06 |
20120307829 | COMMUNICATION CONTROL METHOD AND RELAY DEVICE - A communication control method for controlling communication between a first node and a second node via a relay device, the method includes transmitting a control packet from the first node to the second node before transmitting a first packet which is a higher priority than another packet to be relayed, stopping a packet from being output from a packet storage device for the another packet by the relay device, for a period indicated by the control packet, the packet storage device being included in one of a plurality of output ports of the relay device from which the first packet is to be output, and transmitting the first packet from the first node to the second node or from the second node to the first node during the period. | 2012-12-06 |
20120307830 | SYSTEM AND METHOD FOR A COMMUNICATIONS ACCESS NETWORK - A system and method are provided for providing access communications between customer locations and a core network service edge. Access flows are handled as carrier-tagged flows through a packet switched network comprising network elements that interpret and manipulate carrier tag values associated with traffic-bearing data frames. | 2012-12-06 |
20120307831 | SYSTEMS AND METHODS FOR PROVIDING A MoCA IMPROVED PERFORMANCE FOR SHORT BURST PACKETS - Systems and methods for reducing the latency and for increasing throughput for MoCA devices that are connected via a coax network are provided. One method according to the invention includes, in a network having a plurality of network modules, each of the plurality of network modules being connected to a coax backbone, communicating over the coax backbone between the plurality of network modules. The method further includes a requesting the use of short burst messages. The method further includes responding to the requesting by constructing a short burst message with a single channel equalization section and reducing the number of bits per hertz in the transmission constellation. The resulting messages can be received with an acceptable error rate while making more efficient use of the MoCA network. | 2012-12-06 |
20120307832 | METHOD AND APPARATUS FOR SELECTING BETWEEN MULTIPLE EQUAL COST PATHS - Each equal cost path is assigned a path ID created by concatenating an ordered set of link IDs which form the path through the network. The link IDs are created from the node IDs on either set of the link. The link IDs are sorted from lowest to highest to facilitate ranking of the paths. The low and high ranked paths are selected from this ranked list as the first set of diverse paths through the network. Each of the link IDs on each of the paths is then renamed, for example by inverting either all of the high node IDs or low node IDs. After re-naming the links, new path IDs are created by concatenating an ordered set of renamed link IDs. The paths are then re-ranked and the low and high re-ranked paths are selected from this re-ranked list as the second set of diverse paths. | 2012-12-06 |
20120307833 | DOMAIN GATEWAY CONTROL SYSTEM AND METHOD THEREOF - A domain gateway control system and a method are provided. The system includes a gateway device configured at an interface of a domain. The gateway device is further linked to more than one Ethernet. When the gateway device analyzes a data packet acquired from an Ethernet and detects that a destination MAC address data of the data packet points to a net device in the domain, the gateway device records a gateway MAC address data in a source MAC field of the data packet and records a domain type code data corresponding to the domain in an Ethernet-type field of the data packet to convert the data packet into a domain packet used in the domain. Any net device in the domain that acquires the domain packet learns the gateway MAC address data, and does not learn a device MAC address data of an external device of the Ethernet. | 2012-12-06 |
20120307834 | Synchronous Network Switch - A network router connects network nodes within a ring network for transferring frames of data within the network. It has a plurality of network ports which pro-vide a physical interface to the network nodes. The network router further has a routing processor which is connected to the network ports. The routing processor is configured for receiving frames and transmitting frames at the same time. It reads a specific payload section from a frame to be received and places with payload section within another specific payload section of a frame to be transmitted. | 2012-12-06 |
20120307835 | DATA OUTPUT ADJUSTMENT APPARATUS, DATA OUTPUT ADJUSTMENT METHOD, RGMII NETWORK SYSTEM AND RGMII NETWORK COMMUNICATION PATH CHANGE METHOD - A data output adjustment apparatus which adjusts an output timing when an outputting data with different transmission speed includes an input part which is provided corresponding to an external device connected with the data output adjustment apparatus, and gets data from the external device, a buffer part which is provided corresponding to the input part, and buffers the data got by the input part, and, an outputting part which instructs the output timing of the data corresponding to the transmission speed to the buffer part, and receives and outputs the data that the buffer part outputted corresponding to the instruction. | 2012-12-06 |
20120307836 | IN-VEHICLE-DATA RELAYING DEVICE AND VEHICLE CONTROL SYSTEM - An object of the present invention is to provide a technique making it possible to transmit and receive communication data among multiple types of networks in an in-vehicle network having the networks therein. An in-vehicle-data relaying device according to the present invention relays communication data to a different in-vehicle-data relaying device when the transmission destination of the communication data is a network not directly connected to the in-vehicle-data relaying device. | 2012-12-06 |
20120307837 | MULTIPOINT-TO-POINT PSEUDOWIRE - A method is provided for transmitting a data stream from a plurality of terminating (leaf) devices toward another terminating (root) device, the leaf and root devices forming the ends of a multipoint-to-point pseudowire based on a packet switched network to which the terminating devices belong, the method comprising: receiving, by a switching device, also belonging to the packet switched network, a first data stream sent by a first leaf device toward the root device, receiving, by the switching device, a second data stream sent by a second leaf device toward the root device, aggregating the first and second data streams into a third data stream, the switching device having been configured to aggregate the first and second data streams via a parameter called the aggregation parameter, included in a pseudowire establishment request, and transmitting the third data stream toward the root device. | 2012-12-06 |
20120307838 | METHOD AND SYSTEM FOR TEMPORARY DATA UNIT STORAGE ON INFINIBAND HOST CHANNEL ADAPTOR - A method for temporary storage of data units including receiving a first data unit to store in a hardware linked list queue on a communications adapter, reading a first index value from the first data unit, determining that the first index value does match an existing index value of a first linked list, and storing the first data unit in the hardware linked list queue as a member of the first linked list. The method further includes receiving a second data unit, reading a second index value from the second data unit, determining that the second index value does not match any existing index value, allocating space in the hardware linked list queue for a second linked list, and storing the second data unit in the second linked list. | 2012-12-06 |
20120307839 | METHOD FOR RECEIVING CHANNEL SELECTION INFORMATION - A master device selects a channel from a band of channels for communications with a slave device. The master transmits information identifying the selected to the slave device using a packet modulated as a series of energy pulses on the selected channel. The slave device performs wideband energy detection on the band of channels and receives the modulated pulses. The slave device decodes the modulated pulses to retrieve the selected channel, and tunes to the selected channel for further communications. | 2012-12-06 |
20120307840 | DYNAMICALLY CONSTRUCTING A BROADCAST MULTIPLEX - A method and apparatus for dynamically constructing a broadcast multiplex are described. The method includes: receiving metadata associated with a first plurality of events on a plurality of source channels, the metadata including, at least, scheduling metadata; determining, on the basis of a rule-set applied to the metadata, whether events of the first plurality of events are to be included in the multiplex, thereby producing a second plurality of events to be included in the multiplex; for each one event of the second plurality of events, assigning a multiplex priority to the one event, the multiplex priority being a priority the one event is to be assigned in the multiplex in case the one event contends for space in the multiplex with a second event of the second plurality of events; copying events from the second plurality of events into the multiplex in dependence on the multiplex priorities of events in the second plurality of events; and broadcasting the multiplex. Related systems, apparatus, and methods are also described. | 2012-12-06 |
20120307841 | METHOD FOR OBTAINING IPV6 CONFIGURATION INFORMATION IN IPV6 TRANSITION NETWORK, SYSTEM AND APPARATUS - The present invention discloses a method for obtaining IPv6 configuration information in an IPv6 transition network. The network includes an IPv4 network and an IPv6 network. An apparatus for providing IPv6 configuration information in the IPv4 network receives an IPv6 configuration information obtaining request packet sent by a user side device. In response, the apparatus sends a response packet to the user side device, where the response packet is a DHCPv4 packet, and carries the requested IPv6 configuration information. Some of the advantages of the present invention are that automatic configuration for a user side device which needs to traverse the IPv4 network to access the IPv6 network is implemented, and efficiency is greatly improved compared with a manual configuration method in the prior art. | 2012-12-06 |
20120307842 | TRANSPORT STREAM PACKET HEADER COMPRESSION - A demultiplexer | 2012-12-06 |
20120307843 | Method and System for Providing Faster Channel Switching in a Digital Broadcast System - Methods, apparatuses, and systems are presented for switching between channels of encoded media data involving receiving encoded media data including reference frames and dependent frames for a plurality of channels, wherein each dependent frame refers to at least one reference frame. Frames associated with a first channel from the plurality of channels are decoded to generate a decoded signal for the first channel. While decoding frames associated with the first channel, data corresponding to at least one reference frame associated with a second channel from the plurality of channels are stored. In response to a control signal for switching from the first to the second channel, at least one dependent frame associated with the second channel is decoded by utilizing the stored data corresponding to the at least one reference frame associated with the second channel, to generate a decoded signal for the second channel. | 2012-12-06 |
20120307844 | Synchronization of Shared Identifiers Across Servers in an IMS Network - Methods and apparatuses, including computer program products, are described for synchronization of shared initial filter criteria in an IP Multimedia Subsystem (IMS) network. A first computing device in the IMS network transmits a registration request to a second computing device in the IMS network. The first computing device receives a response to the registration request from the second computing device, including an identifier associated with a shared initial filter criteria set stored at the first computing device. The first computing device determines whether the shared initial filter criteria set corresponding to the identifier is stored at the first computing device and transmits a retrieval request to the second computing device if the shared initial filter criteria set corresponding to the identifier is not stored. The first computing device receives the shared initial filter criteria set from the second computing device, and stores the shared initial filter criteria set. | 2012-12-06 |
20120307845 | METHOD FOR DETECTING A SYNCHRONIZATION FAILURE OF A TRANSPARENT CLOCK AND RELATED PROTECTION SCHEMES - The method for detecting and managing a synchronization failure of a transparent clock is used in a packet network in order to determine and correct residence time of time-stamped packets within a traversed element of said network. The transparent clock is part of a Master/Slave synchronization path including a plurality of network elements and their associated transparent clocks. The method includes transmitting time-stamped packets from the Master to the Slave through different synchronization paths in order to have the Slave receiving multiple time signals transmitted through different paths, and determining a failure within a transparent clock of a failed/failing synchronization path if the time signal provided by said failed/failing path differs from the time signal provided by the other transmitting path(s). | 2012-12-06 |
20120307846 | DIGITAL BROADCAST TRANSMITTER AND DIGITAL BROADCAST RECEIVER, AND METHOD FOR PROCESSING STREAMS THEREOF - Provided is a digital broadcast transmitter including a MUX and an exciter, which construct streams including first service data and second service data that are different from each other. The exciter interleaves streams such that the first service data has a first body, a first head, and a first tail, the second service data has a second body, a second head, and a second tail, and the first head or the first tail is engaged with the second head or the second tail, at the interface between the first service data and the second service data, wherein at least a portion of the second service data is LDPC-coded or turbo-coded, and the rest of the second service data is TCM-coded. | 2012-12-06 |
20120307847 | LASER APPARATUS - The present invention relates to a laser apparatus having a structure for easily shortening a pulse. In the laser apparatus, as a result of a phase control unit adjusting a modulation period of an external modulator and an output period of pulsed light of a seed light source, it is possible to generate pulsed light which is outputted only during a period when the modulation period and the output period overlap each other. | 2012-12-06 |
20120307848 | OPTICAL FIBER LASER - An optical fiber laser including: a master oscillator; and a power amplifier, the power amplifier including: a plurality of excitation light sources; excitation ports each of which is connected to the excitation light sources and which an excitation light emitted from each of the excitation light source enters; a signal port which a laser beam emitted from the master oscillator enters; an optical coupler with an exit port that outputs the excitation lights from the excitation ports together with the laser beam from the signal port; and an optical fiber connected to the exit port, in which the optical fiber is a photonic bandgap fiber, and the optical fiber has a loss wavelength characteristic in that a photonic bandgap region is narrower than a gain wavelength band in a graph with an axis of abscissa representing a wavelength and an axis of ordinate representing a loss amount. | 2012-12-06 |
20120307849 | LASER APPARATUS AND LASER PROCESSING METHOD - The present invention relates to a laser apparatus having a structure for removing a skirt portion contained in pulsed light, and a laser processing method using the laser apparatus. The laser apparatus comprises a MOPA fiber laser light source which outputs pulsed light having a skirt portion with a light intensity lower than a predetermined value, and a saturable absorber which removes a skirt portion from the pulsed light outputted from the MOPA fiber laser light source. | 2012-12-06 |
20120307850 | PULSED LIGHT GENERATION METHOD - The present invention relates to a method of enabling generation of pulsed lights each having a narrow pulse width and high effective pulse energys. A pulse light source has a MOPA structure, and comprises a single semiconductor laser, a bandpass filter and an optical fiber amplifier. The single semiconductor laser outputs two or more pulsed lights separated by a predetermined interval, for each period given according to a predetermined repetition frequency. The bandpass filter attenuates one of the shorter wavelength side and the longer wavelength side, in the wavelength band of input pulsed lights. | 2012-12-06 |
20120307851 | SYSTEM AND METHOD FOR GENERATING EXTREME ULTRAVIOLET LIGHT - A system includes a chamber, a laser beam apparatus configured to generate a laser beam to be introduced into the chamber, a laser controller for the laser beam apparatus to control at least a beam intensity and an output timing of the laser beam, and a target supply unit configured to supply a target material into the chamber, the target material being irradiated with the laser beam for generating extreme ultraviolet light. | 2012-12-06 |
20120307852 | IMPEDANCE-MATCHING TRANSFORMERS FOR RF DRIVEN CO2 GAS DISCHARGE LASERS | 2012-12-06 |
20120307853 | DIODE LASER - A diode laser arrangement having a number of laser bars, wherein each laser bar has a number of emitters generating laser beams arranged offset in a stacked manner to one another, in at least two stacks to form the arrangement. | 2012-12-06 |
20120307854 | SEMICONDUCTOR LASER MANUFACTURING METHOD AND SEMICONDUCTOR LASER - Provided are a semiconductor laser manufacturing method and a semiconductor laser with a low device resistance. First, an active layer is deposited above a GaN substrate of a first conductivity type. A first guide layer made of GaN of a second conductivity type is deposited above the active layer. An AlN layer is deposited on the first guide layer. An opening is formed in the AlN layer. A first cladding layer made of a group-III nitride semiconductor of the second conductivity type is formed on the AlN layer and the first guide layer exposed through the opening such that a first growth rate at a start of growth on the first guide layer exposed through the opening becomes greater than a second growth rate at a start of growth on the AlN layer. A contact layer of the second conductivity type is formed on the first cladding layer. | 2012-12-06 |
20120307855 | HIGH SPEED LASING DEVICE - The present invention relates to a lasing device for use in an optical module. The lasing device comprises a first reflector and a second reflector; a confinement layer adapted to confine current within a current-confining aperture; and an active layer between the first and second reflectors. The active layer comprises a main active region aligned with the current confining aperture and an auxiliary active region surrounding the main active region. The second reflector includes a first reflector region arranged on the current-confining aperture and a second reflector region surrounding the first reflector region. The second reflector region and the first reflector are configured to induce stimulated recombination in the auxiliary active region. | 2012-12-06 |
20120307856 | SEMICONDUCTOR LASER DEVICE AND MANUFACTURING METHOD THEREOF - A semiconductor laser device includes a p-type clad layer and an n-type clad layer, a p-side guide layer and an n-side guide layer interposed between the p-type clad layer and the n-type clad layer, and an active layer interposed between the p-side guide layer and the n-side guide layer. The active layer includes at least two quantum well layers and a barrier layer interposed between the quantum well layers adjoining to each other. Each of the p-type clad layer and the n-type clad layer is formed of a (Al | 2012-12-06 |