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19th week of 2009 patent applcation highlights part 29
Patent application numberTitlePublished
20090116392Communication network, path setting method, network management system and node - A hierarchized path setting system in a communication network efficiently contains lower order paths in higher order path. The communication network has a plurality of nodes capable to perform switching process and demultiplexing process not only for lower order paths in a predetermined hierarchical level among hierarchized paths but also for higher order paths in a hierarchical level higher than the predetermined hierarchical level, and a plurality of links connecting these nodes. The system is responsive to a new path setting demand for setting the lower order path, for setting the lower order path in the higher order path when a single higher order path is set from a predetermined transmitter node group, in which a transmitter node of the lower order path belongs, to a predetermined receiver node group including a receiver node.2009-05-07
20090116393MULTI-METRIC ROUTING CALCULATIONS - In a Mobile Ad Hoc Network (MANET), multi-metric information is gathered and applied to a cost-based route calculation. In particular, each node gathers resource metrics from neighboring of nodes, along with data rate and reliability information for data links to and from the node. This information is applied to a costing algorithm such as Dykstra' Open Shortest Path First algorithm to obtain routes through the network. This approach may be adapted with suitable modifications to use with unicast traffic or with a multicast forwarding group.2009-05-07
20090116394System and method for skype traffice detection - Networks carry various kinds of traffic and ISPs are keen to analyze the traffic so as to be able to support QoS on the distinct traffic flows. Traffic can be broadly categorized into two types: plain traffic and encrypted traffic. Further, each of these traffic types is based on either a standard protocol or a proprietary protocol. While it is fairly straightforward to analyze traffic that are based on standard protocols, it is extremely difficult to analyze encrypted traffic based on proprietary protocols. A system for Skype traffic detection involves analyzing encrypted traffic based on proprietary peer to peer protocol. The proposed approach is based on building Skype traffic models and using the same to determine Skype traffic in the network traffic.2009-05-07
20090116395COMMUNICATION APPARATUS AND METHOD - A communication apparatus includes a setting information storage section for storing band information set on each port, a continuity test signal transmitting section for receiving a continuity test request for testing a connection state of a connected network, and transmitting a continuity test signal to a destination port on the transmission path, a setting information obtaining section for obtaining the band information set on a port receiving the continuity test signal from the setting information storage section, a continuity response signal transmitting section for responding a continuity response signal added the band information obtained from the setting information obtaining section to the continuity test signal, to the port having transmitted the continuity test signal, and a setting information notification section for notifying the band information added to the continuity response signal to a node for managing the network.2009-05-07
20090116396OAM echo messaging to verify a service-based network distribution path - Echo messaging for operation, administration, and management of a service-based distribution path and associated services are disclosed. Service-based distribution paths or transport tunnels include services mapped or bound to a path associated with the transport tunnel. Echo messaging provides OAM capabilities to monitor the operational state of a service-based distribution path, including determining configuration, connectivity, and other characteristics of the path and associated services that transport data. OAM functions provided by echo messaging enable OAM functions despite service volume along a core network, path or set of paths.2009-05-07
20090116397Network Condition Capture and Reproduction - A network condition capture and reproduction technique captures measurement data characterizing network conditions at a given time between first and second endpoint devices of a network, and utilizes the captured measurement data in a network impairment device to reproduce the network conditions at a later time and possibly in a different place.2009-05-07
20090116398SYSTEMS AND METHODS FOR FLOW MONITORING - A network device may include logic configured to receive a packet from a packet forwarding engine, create a flow ID for the packet, determine whether the flow ID matches one of a plurality of flow IDs in a table, determine whether the packet is associated with a flow to be sampled, sample the packet and additional packets associated with the flow that are received from the packet forwarding engine when the flow is to be sampled and transmit the flow ID and the sampled packets via a switch to an interface.2009-05-07
20090116399SERVICE DATA UNIT DISCARD TIMERS - Systems and methodologies are described that facilitate enforcing quality of service requirements. A first timer is employed for each data packet arriving at a packet data convergence protocol layer of a wireless communications apparatus. The first timer can be configured based upon delay tolerance specified according to quality of service requirements imposed on the data packet. The data packet can be discarded if the timer expires before the data packet leaves the protocol data convergence protocol layer. In addition, a second time is utilized for the data packet as it arrives at a radio link control layer. The data packet can be discarded if the second timer expires before the data packet is successfully transmitted to a receiver.2009-05-07
20090116400WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD ENABLING SWITCHING OF COMMUNICATION CHANNEL - A wireless communication apparatus includes a transmission and reception unit, a monitoring unit, and a control unit. The transmission and reception unit transmits and receives a frame to and from a wireless communication terminal. The monitoring unit monitors an interference signal in a first communication channel. The control unit selects a second communication channel and a third communication channel. The second and the third communication channels are different from the first communication channel. The transmission and reception unit transmits an instruction frame to the wireless communication terminal when the monitoring unit detects the interference signal in the first communication channel. The instruction frame includes information on the second and third communication channels and instructs the wireless communication terminal to switch the communication channel from the first communication channel to at least one of the second and third communication channels.2009-05-07
20090116401METHOD AND DEVICE OF ADAPTIVE CONTROL OF DATA RATE, FRAGMENTATION AND REQUEST TO SEND PROTECTION IN WIRELESS NETWORKS - A method and device for adaptive control of transmission parameters such as data rate, fragmentation and request to send protection. Packet error rates for frames transmitted with and without request to send protection are computed and compared to determine whether error rates are attributable to noise or to collision. If error rates are attributable to noise, data rates may be adjusted and fragmentation may be activated. If error rates are attributable to collisions, request to send protection may be activated or adjusted.2009-05-07
20090116402COMMUNICATION QUALITY MEASURING APPARATUS AND COMMUNICATION QUALITY MEASURING METHOD - A measuring apparatus for measuring quality of a network accurately measures a number of times of a data loss even if all the packets to be measured are not obtained or cannot be obtained. Further, a process load applied to the measuring apparatus is decreased by processing a part of the packets to be measured.2009-05-07
20090116403SYSTEM AND METHOD FOR COMMUNICATION MANAGEMENT - A method and computer program product for managing communications with a user include defining one or more communication profiles for a user, in which defining the one or more communication profiles includes defining one or more communication channels for the user, and defining a preferred communication schedule for each of the one or more communication channels. The preferred communication schedule is associated with a respective one of the one or more communication channels. Communications with the user by a contacting user are managed based upon, at least in part, the one or more communication profiles for the user.2009-05-07
20090116404TOPOLOGY DISCOVERY IN HETEROGENEOUS NETWORKS - A Next Generation Network (NGN) resource management system and method includes a network topology discovery mechanism at the scale of an administrative domain. Information about nodes and links, such as bandwidth, delay, jitter, name and description of devices is collected and stored in a database by way of a protocol. The protocol is notifications-based, which involves each node device (e.g., a switch, router etc.) notifying its presence to its neighboring node.2009-05-07
20090116405Redundant Automation Data Communications Network - The object of the invention is an automation data communications network (2009-05-07
20090116406Node device, memory medium saving computer program, information delivery system, and network participation method - A node device to participate in an overlay network formed by all or a part of a plurality of node devices, mutually connected through a communication network, including: 2009-05-07
20090116407Wireless network construction system - A wireless network construction system includes: first wireless nodes being previously installed in a wireless network; a wireless node installation support terminal carried in a location capable of conducting wireless communication, the wireless node installation support terminal serving as a wireless node being previously installed in the wireless network; and a second wireless node being newly installed in the wireless network and adjacent to the wireless node installation support terminal. The second wireless node performs a procedure of participation in the wireless network via the wireless node installation support terminal using the wireless communication. The wireless node installation support terminal allocates and distributes a network address to the second wireless node upon performing the procedure of participation in the wireless network. The second wireless node performs a path search and establishes a wireless line between the first wireless nodes and the second wireless node.2009-05-07
20090116408DIGITAL COMMUNICATIONS SYSTEM FOR RESIDENTIAL AND CUSTODIAL-CARE ENVIRONMENTS, OFFICE AND THE LIKE - The system is based on the arrangement of a plurality of terminals (2009-05-07
20090116409Interactive Topology Graphs for Visualization and Characterization of Sonet Consumption Patterns - A computer-based monitoring system provides interactive topology information about a synchronized optical network (SONET). The monitoring system utilizes a trunks integrated record keeping system (TIRKS) connected to the SONET for collecting status data in a raw format. A computer system retrieves the raw format status data from TIRKS and provides the data in a simple graphical user interface to a user. The interface includes several menus from which the user may specify specific components of the SONET, and a graphical output for providing a graphical representation of the SONET. The graphical output illustrates each node and link and interactively provides more detailed information about any user selected link or node.2009-05-07
20090116410PROCEDURE OF SETTING UP PEER LINK IN WIRELESS MESH NETWORK AND WIRELESS STATION SUPPORTING THE SAME - Provided are a procedure of setting up a peer link in wireless mesh networks and a wireless station supporting the procedure. In the procedure, a mesh point (MP) transmits first peer link open frame regarding the peer link to a candidate peer MP. The first peer link open frame includes high throughput capabilities information element and high throughput operation information element. And, the mesh point receives first peer link confirmation frame regarding the peer link from the candidate peer MP in response to the first peer link open frame. And, the mesh point transmits second peer link confirmation frame regarding the peer link to the candidate peer MP after receiving second peer link open frame received from the candidate peer MP. In this case, the peer link confirmation frame may also include high throughput capabilities information element and high throughput operation element.2009-05-07
20090116411Mesh Tree Formation in Wireless Networks - A mesh tree formation system. In particular implementations, a method includes responsive to a selection of a channel potentially bearing a higher priority use, entering a silent state and initiating a channel scan of the selected channel for a period of time. The method also includes, responsive to receipt of an enabling signal, entering a limited transmission state that enables transmission of wireless frames on the selected channel. The method also includes, responsive to termination of the period of time of the channel scan wherein no higher priority use is detected, entering a full transmission state comprising transmission of enabling signals corresponding to the selected channel.2009-05-07
20090116412Tree-type broadcast system, reconnection process method, node device, node process program, server device, and server process program - A node device in a tree-type broadcast system having hierarchy levels of node devices while locating a broadcast device at its top, whereby information is sequentially transferred from a higher hierarchy level to a lower hierarchy level, the node device including:2009-05-07
20090116413System and method for automatic topology determination in a hierarchical-temporal network - A system and method for automatically analyzing data streams in a hierarchical and temporal network to identify node positions and the network topology in order to generate a hierarchical model of the temporal or spatial data. The system and method receives data streams, identifies a correlation between the data streams, partitions/clusters the data streams based upon the identified correlation and forms a current level of a hierarchical temporal network by having each cluster of data streams be an input to a hierarchical temporal network node. After training the nodes, each of the nodes creates a new data stream and these data streams are correlated and partitioned/clustered and are input into a node at a next level. The process can repeat until a desired portion of the network topology is determined.2009-05-07
20090116414Mass Viewer Audience Circuit Based Real Time Participation In Interactive Applications Displayed Live On Display Screens - The present invention is directed toward mass viewer audience circuit based real time participation in live TV shows, and other interactive applications displayed on electronic billboards, so-called vidiwalls, and the like. The present invention includes a Mass Viewer Audience Response Detection (MVARD) gateway for establishing inbound half duplex line connections with callers' telephones on receiving circuit based telephone calls therefrom for determining callers' DTMF key depressions corresponding to their real time responses to an interactive application, and transmitting real time information regarding the callers' responses for providing real time feedback to the mass viewer audience watching the interactive application, and particularly the callers continuously holding their telephones like a hand held TV remote control and depressing on the DTMF keys on their telephones to input their responses to actively participate therein without interrupting their participation to listen to pre-recorded playback messages regarding DTMF key assignments.2009-05-07
20090116415Relay, and relaying method - According to one aspect of the present invention, a relay station including a first antenna, a second antenna, a transmitter circuit that converts a baseband signal into an RF signal to be transmitted, a receiver circuit that extracts the baseband signal from the received RF signal, a switching unit that switches between a first state in which the first antenna is connected to the receiver circuit, and the second antenna is connected to the receiver circuit, and a second state in which the first antenna is connected to the receiver circuit, and the second antenna is connected to the transmitter circuit, and a communication controlling unit that extracts the baseband signal created from the RF signal received from either one of the first or second communication devices and then, after a predetermined process is applied to the communication data contained in the baseband signal, the communication controlling unit transmits the communication data through the transmitter circuit to another communication device is provided.2009-05-07
20090116416WIRELESS COMMUNICATION APPARATUS - A wireless communication apparatus includes a received frame analysis unit, a received frame bitmap information storage unit, a bitmap reset determination unit, a Block Ack frame generation unit, and a TID bitmap storage unit. The received frame analysis unit analyzes a received MAC frame. The received frame bitmap information storage unit stores delivery acknowledgement of the received MAC frame. The bitmap reset determination unit determines whether or not information stored in the received frame bitmap information storage unit should be reset or not. The Block Ack frame generation unit generates a Block Ack frame including a bitmap to be stored in the received frame bitmap information storage unit on the basis of the delivery acknowledgement request analyzed by the received frame analysis unit. The TID bitmap storage unit stores an identifier of a frame allowing the received frame bitmap information storage unit to store the delivery acknowledgement.2009-05-07
20090116417Method for a User Equipment Performing Frequency-Layer Operations in Multimedia Broadcast/Multicast Services - A method for a User Equipment (UE) performing frequency-layer operations in Multimedia Broadcast and Multicast Services (MBMSs) is disclosed, with priorities preset for various frequency-layer operations, the procedure of performing frequency-layer operations includes the steps of: receiving control information of the MBMSs sent from the network; and performing the frequency-layer operations of the activated MBMSs included in the control information of the MBMSs according to the priorities of frequency-layer operations. By using the method in accordance with embodiments of the present invention, it is possible to avoid wrong frequency-layer operations under the circumstances of a UE joining multiple MBMSs, thus achieving the highest procedural efficiency with the least consumption and improving the efficiency of the UE.2009-05-07
20090116418METHOD OF TRANSMITTING AND RECEIVING POINT-TO-MULTIPOINT SERVICE IN MOBLE COMMUNICATION SYSTEM - A method of transmitting a point-to-multipoint service in a mobile communication system, method of receiving the same, apparatus for transmitting the same and apparatus receiving the same are disclosed, by which a transmission parameter of a channel providing a point-to-multipoint service to a plurality of cells can be informed to UEs receiving the point-to-multipoint service. The present invention includes receiving at least one transmission parameter on a point-to-multipoint signaling channel providing scheduling information of the point-to-multipoint service wherein the point-to-multipoint signaling channel is mapped to the point-to-multipoint channel, combining the point-to-multipoint channel transmitted from a plurality of cells by using the at least one transmission parameter, and receiving the point-to-multipoint service on a point-to-multipoint traffic channel wherein the point-to-multipoint traffic channel is mapped to the point-to-multipoint channel.2009-05-07
20090116419METHOD AND SYSTEM OF THRESHOLD SELECTION FOR RELIABLE RELAY STATIONS GROUPING FOR DOWNLINK TRANSMISSION - A relaying selection and cooperative communications method provides a threshold selection criterion for forming a reliable group of relay stations (RSs) based on one or more design criteria. Possible design criteria include an outage probability constraint and a throughput constraint. The threshold value is selected according to, for example, transmission paths (e.g., line-of-sight, obstructed-light-of-sight, non-light-of-sight) or channel conditions (e.g., signal-to-noise-ratio) between the base station (BS) and the RSs (i.e., BS-RSs link) and between the RSs and the mobile station (MS) (i.e., RSs-MS link), respectively.2009-05-07
20090116420SYNCHRONIZED MULTI-LINK TRANSMISSION IN AN ARQ-ENABLED MULTI-HOP WIRELESS NETWORK - A method and apparatus is disclosed herein for synchronized multi-link transmission in an ARQ-enabled multi-hop wireless network. In one embodiment, the method comprises performing pre-transmission of a packet to hops to enable a base station and the plurality of hops in the network to transmit the packet synchronously to one or more mobile stations in the wireless communication system; and performing one or more re-transmissions of the packet at a set of one or more hops forming a path in the network if time remaining before a synchronized transmission time for the path as a whole is greater than a threshold.2009-05-07
20090116421RADIO COMMUNICATION SYSTEM - In a radio communication system in which unicast data and multicast data are transmitted on an identical carrier (carrier wave) in a time-division multiplexed manner, each terminal transmits a signal in an uplink time interval corresponding to a time interval in which multicast data is transmitted on the downlink either autonomously or according to an instruction from a base station. The signals to be transmitted include random access signal, measurement result signal of downlink radio channel, and pilot signal for measuring uplink radio channel quality, for example.2009-05-07
20090116422METHOD AND SYSTEM FOR OPPORTUNISTIC HYBRID RELAY SELECTION SCHEME FOR DOWNLINK TRANSMISSION - An opportunistic hybrid-relay selection scheme for downlink transmission selects between cooperative relay and single relay schemes based on the channel conditions (e.g., signal-to-noise-ratio (SNR)) between the base station (BS) and RSs (i.e., BS-RSs link) and RSs and mobile station (MS) (i.e., RSs-MS link), respectively. In another selection scheme, a selection between the single relay (e.g., best-relay) transmission scheme or the cooperative-relay transmission scheme may be determined based on transmission paths (e.g., line-of-sight, obstructed-light-of-sight, non-light-of-sight) and channel conditions (e.g., SNR) between the BS-RSs link and the RSs-MS link, respectively.2009-05-07
20090116423METHOD AND DEVICE FOR COOPERATIVE RELAY IN WIRELESS COMMUNICATION NETWORK - The invention provides a method and device for cooperative relay with multiple relay stations in the wireless telecommunication network. The invention is proposed to improve the quality of relayed signals, reduce the resources needed for relaying and solve the problems when performing the switch between relay devices. The method and device according to the invention are characterized in that, the received signals are processed according to the indicating information from a BS, before sending them to the next level network nodes. Compared with the prior art, the present invention can achieve better spatial diversity gain or spatial multiplexing gain, even both of them. Further, the present invention does not require a high level synchronization. Therefore, the performance of the signals received can be considerably improved, the resources needed for relaying are also reduced. Further, the present invention is very practical.2009-05-07
20090116424TRANSMISSION CONTROL METHOD, MOBILE STATION, AND RADIO BASE STATION - A packet communication method according to the present invention includes: transmitting, at a mobile station, a random access request that includes mobile station information assigned to the mobile station, to a radio base station through a random access channel allocated to a predetermined radio resource; receiving, at the radio base station, the random access request from the mobile station; and transmitting, at the radio base station, a random access response signal that notifies the receipt of the random access request and includes the mobile station information, to the mobile station through a downlink shared control channel corresponding to the random access channel.2009-05-07
20090116425ERROR CONTROL METHOD, MEDIUM ACCESS CONTROL (MAC) FRAME DESIGNING METHOD, AND TERMINAL REGISTRATION METHOD IN WIRELESS COMMUNICATION SYSTEM, AND RECORDING MEDIUM - In a method of registering with an access point in a terminal of a wireless communication system, a frame includes a downlink sub-frame including a broadcast interval and a first management connection interval, and an uplink sub-frame including an access interval and a second management connection interval, the broadcast interval being used for transmitting a map message, the method includes: sending a first ranging request message to the access point using the access interval; receiving allocation information of a ranging slot from the access point using the map message; performing ranging through the ranging slot; sending a registration request message to the access point using the second management connection interval; and receiving information on whether to permit the registering from the access point using the first management connection interval.2009-05-07
20090116426SDU DISCARD MECHANISMS FOR WIRELESS COMMUNICATION SYSTEMS - Systems and methodologies are described that facilitate packet discard restriction in a wireless communication system. As described herein, a discard prohibit counter and/or other similar mechanism can be employed to limit the number of consecutive packets that are discarded by a transmitter, even in the event that the delay bounds of those packets have been exceeded. A discard prohibit counter as described herein can be updated upon a packet transmission and reset upon a packet discard to ensure that an acceptable number of packets are transmitted before a packet can be discarded. An acceptable number of packets can be selected based on device specifications, requirements of a data packet flow and/or traffic associated with the flow, or other suitable factors, and can be constant or adaptable to changes in network conditions. As further described herein, multiple counters can be separately maintained and utilized for a plurality of corresponding packet flows.2009-05-07
20090116427ADVANCED TECHNOLOGY FRAME STRUCTURE WITH BACKWARD COMPATIBILITY - An advanced technology frame structure is described herein. The advanced technology frame structure can enhance a first technology frame structure in dimensions of time, frequency, or a combination of time and frequency. A second technology frame structure time division multiplexes second technology subframes with the first technology downlink and uplink subframes. The first technology downlink subframe can be divided into a first technology downlink subframe and one or more second technology downlink subframes. Similarly, the first technology uplink subframe can be divided into a first uplink subframe and one or more second technology uplink subframes. These principles can be expanded upon and can be applied in many communication systems.2009-05-07
20090116428Mobile communication method and system - In the method for wireless communication between a terminal and a base station supporting a real time packet transfer service mode and reliable packet transfer service mode according to the present invention, one of the real time packet transfer service mode and reliable packet transfer service mode is selected and a communication channel between the terminal and the base station is established, and the packet data are bidirectionally exchanged between the terminal and the base station over the communication channel in real time.2009-05-07
20090116429NETWORK SYSTEM - MTID of a terminal apparatus is preliminarily registered into a database of an ISP. In step S2009-05-07
20090116430SYSTEM FOR ENABLING MOBILE COVERAGE EXTENSION AND PEER-TO-PEER COMMUNICATIONS IN AN AD HOC NETWORK AND METHOD OF OPERATION THEREFOR - A method for enabling mobile coverage extension and peer-to-peer communications in an ad hoc network is provided. The method includes communicating at least one message among the plurality of nodes, wherein the at least one message comprises: an ad hoc zone, wherein the ad hoc zone comprises at least one channel selected from a group of channels comprising: at least one synchronization channel for synchronizing out of coverage nodes, at least one access channel for peer-to-peer communications, and at least one ad hoc relay data/traffic channel for exchanging data during data sessions between one or more nodes.2009-05-07
20090116431SYSTEM AND METHOD FOR OPTIMIZING COMMUNICATION BETWEEN A MOBILE COMMUNICATIONS DEVICE AND A SECOND COMMUNICATIONS DEVICE - A mobile communications device includes one or more antennas and a plurality of wireless transceivers that are each configured to transmit and receive transmissions via the one or more antennas according to at least one of several associated communications protocols. The device includes a control processor operatively coupled to the transceivers and antenna(s), which is configured to select and utilize one or more of the wireless transceivers and associated communications protocols in order to transact particular transmissions, where the selection is based on characteristics of the particular transmissions, and to allocate bandwidth to multiple transmissions within a single communications protocol, where the allocation is based on characteristics of the transmissions. The device also includes a power source coupled to the transceivers and adapted to supply power to the transceivers.2009-05-07
20090116432METHOD OF CONFIGURING AND SEARCHING HIGH SPEED SHARED CONTROL CHANNEL OF MULTI-CARRIER CELL - The present invention relates to a method for configuring and searching HS-SCCHs of a multi-carrier cell in a TD-SCDMA system. The network side configures the configuration information of a HS-SCCH set for a UE and notifies the UE through high layer signaling, wherein each HS-SCCH corresponds to a frequency point of high speed shared resources; the UE divides the HS-SCCH set into several subsets, and HS-SCCHs of the same subset correspond to the same frequency points; the UE selects the minimum value N from the number of carriers supported by itself, the number of the frequency points, and the number of the HS-SCCH subsets; the UE searches each HS-SCCH subset to be searched in turn, and if a consistent HS-SCCH is found, then the UE stops searching the other HS-SCCHs of the subset, the UE moves said subset out of the group of the HS-SCCH subsets to be searched, and adds the found HS-SCCH into a valid HS-SCCH set to be monitored; if the number of the HS-SCCHs of the valid HS-SCCH set equals to N, then stop searching. The present invention can increase the efficiency of searching the HS-SCCHs by the UE with satisfying normal communication requires.2009-05-07
20090116433DATA TRANSMITTING SYSTEM, COMMUNICATION NODE AND DATA TRANSMITTING METHOD - The present invention provides a data transmission system where MBMS data are transmitted to a mobile station in synchronization among multiple base stations without use of any central control node for controlling the multiple base stations. The data transmission system includes a communication node managing user common data, one or more radio base stations coupled to the communication node and one or more mobile stations. In the system, each of the one or more base stations is synchronized with absolute time commonly used by the base stations. The communication node includes a reception unit receiving the user common data for one or more users from a provider and a determination unit determining through communications with the one or more base stations a transmission timing when the one or more base stations transmit the user common data to the mobile stations.2009-05-07
20090116434UPLINK RESOURCE ALLOCATION IN A MOBILE COMMUNICATION SYSTEM - The present invention relates to a method and mobile terminal for requesting resources for transmitting data on uplink within a mobile communication system. Further the invention relates to a network entity for allocating uplink resources to mobile terminal. To provide a flexible scheduling scheme for uplink transmission, the invention proposes different scheduling procedures based on a request grant scheme. The resource request of the mobile terminal is provided via a contention-based channel, while all further communication uses scheduled resources. Consequently subsequent transmissions of user data and/or scheduling information utilize scheduled resources.2009-05-07
20090116435MULTIPLE COMPATIBLE OFDM SYSTEMS WITH DIFFERENT BANDWIDTHS - The technology provides a frame handler, a controller, and a frame structure design for a new radio communications system that provides backward compatibility with an existing or legacy radio communications system with lower signal bandwidth. Data to be transmitted to the new and legacy radio terminals is processed into a frame using a frame format that is compatible with both the new radio access technology system and the legacy radio access technology system so that both types of radio terminals may receive and extract data from the frame intended for each of those radio terminals. The format allows new and legacy radio terminal communications across the different bandwidths employed by the new and legacy systems.2009-05-07
20090116436Wireless bandwidth allocating method and wireless base station - A wireless base station for allocating a wireless bandwidth to a wireless terminal based on a bandwidth request from the wireless terminal. The wireless base station includes a receiving part configured to receive a target data transmitted in the allocated wireless bandwidth from the wireless terminal, the target data including one or more user packets on which a combining process or a dividing process is performed and data regarding the combining process or the dividing process and an updating part configured to increase or reduce the total quantity of the allocated wireless bandwidth.2009-05-07
20090116437COEXISTENCE OF WIRELESS PERSONAL AREA NETWORK AND WIRELESS LOCAL AREA NETWORK - Wireless transceiver apparatus for operating in a part of the RF spectrum which is shared with a co-located second wireless transceiver apparatus. The first wireless transceiver apparatus includes, a wireless transceiver unit; an arbitration interface for interfacing with an arbitration entity which arbitrates access to the shared part of the RF spectrum between the first wireless transceiver apparatus and the second wireless transceiver apparatus; wherein the arbitration interface is adapted to signal time periods when the wireless transceiver unit is operational, or requests to be operational; and wherein the arbitration interface is adapted to signal data about and commands to the first wireless transceiver apparatus during other time periods. An enhanced arbitration entity is adapted to automatically detect and switch between two modes or interference reduction, e.g. a first interference reduction means such as AFH, a second interference reduction means such as PTA. The arbitration entity gets the information of the first wireless transceiver via the arbitration interface.2009-05-07
20090116438DIVISION OF THE SCHEDULING ALGORITHM INTO BACKGROUND AND FOREGROUND ALGORITHMS - Systems and methodologies are described that facilitate dividing scheduling algorithms into background and foreground aspects capable of simultaneously servicing a multiplicity of disparate flows in wideband communications networks. The systems provided herein arbitrarily select prospective time horizons, generate optimal bandwidth allocation targets based on a plurality of flows observed by the system, and utilizes the optimal bandwidth targets to assign flows to users over the entirety of the prospective time horizon.2009-05-07
20090116439SCHEDULING A MIX OF BEST EFFORT (BE) AND DELAY QOS FLOWS - Systems and methodologies are described that facilitate dynamically adjusting scheduling priorities in relation to a combination of delay sensitive flows with delay requirements and best effort flows. The systems and methodologies provide optimal and efficient techniques to enable real time adjustment and assignment of bandwidth for a combination of best effort flows and delay sensitive flows. In particular, the bandwidth allocation is adjusted for each data packet such that delay requirements are met and the remaining bandwidth can be assigned to best effort flows.2009-05-07
20090116440Long Term Evolution User Equipment Multi-Packet Data Network Parameter Based Connectivity Control - A system is provided for concurrently connecting a user equipment to a plurality of packet data network gateways via a radio access network and a serving gateway. The system includes a processor configured to evaluate an operational parameter related to a set of network components to which the user equipment, the radio network, the serving gateway and the packet data network gateways belong. The operational parameter is used to control a user equipment to multiple packet data networks, subject to resource limitation, and QoS and PCC rules.2009-05-07
20090116441NETWORK CONNECTION METHOD FOR MOBILE TERMINAL IN ASYNCHRONOUS MOBILE COMMUNICATION SYSTEM - A network connection method for an asynchronous mobile terminal is provided for reducing connection latency and power consumption. A network connection method for an asynchronous mobile terminal includes displaying a list of operators identified by scanning frequencies in a manual network selection mode, acquiring, when one of the operators is selected from the list, synchronization through a frequency of the selected operator, and connecting to a network through the frequency for receiving a service. The network connection method enables a mobile terminal to select an operator network through a single frequency scanning process unlike the convention method which performs frequency scanning twice, thereby reducing connection latency and power consumption of the mobile terminal.2009-05-07
20090116442REFERENCE TRANSPORT CHANNEL ON/OFF STATUS DETECTION AND RESELECTION - In a wireless communication system using a reference channel used for error rate measurement and associated with a plurality of transport channels multiplexed on a coded composite transport channel (CCTrCH), a method is employed for reselection of the reference channel from favorable candidate transport channels. A channel is initially selected from the plurality of multiplexed channels as the reference channel. Channels are monitored based on quantitative data content criteria to determine whether an ON or OFF state exists. A different channel is selected from the plurality of multiplexed channels as the reselected RTrCH when a better candidate transport channel in the ON state becomes available, or when the monitored RTrCH reflects an OFF state.2009-05-07
20090116443RE-ESTABLISHING WIRELESS COMMUNICATION SESSIONS - This invention relates to maintaining or re-establishing a communications session in a wireless communications system. The present invention provides a method of re-routing a call between a user device and a third party device, the method comprising: setting up a call with the third party device using a first wireless connection between the user device and an access point; monitoring a quality parameter of the first wireless connection at the access point; automatically re-routing the call from the third party device to the user via a second wireless connection between the user device and a base station in response to determining that the quality parameter of the first wireless connection has fallen below a predetermined threshold.2009-05-07
20090116444Method for achieving frequency reuse in wireless communications systems - A method is provided for sharing a communications channel in a wireless communications system. A network coordinating device of the wireless network obtains a first path quality information of each of a first set of one or more communications paths between a first pair of communications devices. The coordinating device also obtains a second path quality information of each of a second set of communications paths between a second pair of communications devices. The coordinating device then determines one or more co-existing communications paths based on the first and the second path quality information in accordance with a predetermined rule. Finally, the coordinating device sends channel resource allocation information to the first pair and the second pair of communications devices to use corresponding co-existing communications paths such that the first pair and the second pair of communications devices communicate over the communications channel during a period of time concurrently.2009-05-07
20090116445ACTIVE HANDOFFS IN A NETWORK - Techniques for transferring a communication connection for a client device from a source network device to a target network device include receiving first and second sequence numbers and applying a first processing technique to data segments associated with sequence numbers that succeed the first and the second sequence numbers.2009-05-07
20090116446CROSSOVER NODE DETECTING METHOD, CROSSOVER NODE DETECTING PROGRAM FOR EXECUTING THAT METHOD BY USE OF COMPUTER, AND MOBILE TERMINAL AND RELAY APPARATUS USED IN CROSSOVER NODE DETECTING METHOD - The present invention provides a new technique on a crossover node detecting method and the like, by which a mobile terminal (mobile node) to perform a handover can quickly find out CRN so that the mobile terminal can quickly and continuously receive additional services, which the mobile node has been receiving before the handover, even after the handover. According to this technique, the crossover node detecting method comprises a step where a mobile node 2009-05-07
20090116447METHODS AND APPARATUS FOR MOBILITY SUPPORT BETWEEN NETWORK DOMAINS - Described aspects provide for improving the mobility of wireless communication devices between one network domain and another network domain, specifically, but not limited to, between a Wireless Local Area Network (WLAN) and a cellular network and the like. Present aspects provide for services to be moved seamlessly and in a reliable manner between the cellular and WLAN domains in order to minimize service disruption for the end user and provide the requisite Quality of Service (QoS) for the different applications. The aspects herein presented provide for various mechanisms that serve to improve the decision points related to when and what technology each service is expected to be associated with and provides better techniques to move the wireless communication device between cellular and WLAN domains when in-traffic and when idle.2009-05-07
20090116448APPARATUS AND METHOD OF CHANGING ACCESS POINT IN WIRELESS NETWORK SYSTEM - An apparatus and method of changing an access point in a wireless network system is provided. The wireless network system includes a first access point existing on a wireless network, and a user terminal accessing the first access point. The first access point transmits information on a second access point, which is one of a plurality of access points accessible by the user terminal, to the user terminal, and the user terminal determines whether to access the second access point and accesses the second access terminal in accordance with the determination result.2009-05-07
20090116449CHANNEL TRANSMISSION METHOD AND BASE STATION - A channel transmission method of a base station used in a communication system employing orthogonal frequency division multiplexing (OFDM) is disclosed. The channel transmission method includes the steps of selecting sectors where soft-combining is to be performed based on location information of a mobile station and/or the type of a channel to be transmitted; generating transmission signals each including a pilot signal for demodulation and data of the channel to be soft-combined and transmitting the generated transmission signals to the respective selected sectors; and causing the mobile station to receive and combine the transmission signals arriving from the selected sectors within a guard interval.2009-05-07
20090116450Method and apparatus for improving a mobile station cell change operation in the general packet radio system (GPRS) - A mobile station executed method, wherein upon changing from a current cell to a new cell in a wireless packet data network the mobile station enters the new cell; generates a cell change packet data unit (PDU) message for informing the network of the location of the mobile station in the new cell; buffers the cell change PDU message into a PDU transmit queue before any buffered PDUs that were present before the mobile station entered the new cell; and transmits the buffered cell change PDU before any of the buffered PDUs that were present before the mobile station entered the new cell. In accordance with another method for informing the wireless network of the MS cell change, the following steps are executed: (i) in response to the MS making access in a new cell, sending a Channel Request that indicates a Cell Update operation; (ii) establishing an uplink (UL) Temporary Block Flow (TBF) for transferring Logical Link Control (LLC) Packet Data Units (PDUs) from the MS to the network; (iii) in response to the network receiving an unknown Temporary Logical Link Identifier (TLLI) from the MS, sending a message to a Serving GPRS Support Node (SGSN) and (iv) based on the message, determining with the SGSN the new cell location of the MS.2009-05-07
20090116451MOBILE TERMINAL APPARATUS AND HAND-OFF METHOD THEREOF - A mobile terminal that ensures smooth, continuous communications sessions even when in transit, regardless of base station capabilities and functionalities, in a packet-switched data communications network. With this terminal, each of a plurality of lower interfaces 2009-05-07
20090116452APPARATUS AND METHOD FOR A MOBILE NODE ROAMING IN AN IPv6 NETWORK - The present invention discloses an apparatus and method for a mobile node roaming in an Internet Protocol version 6 (IPv6) network. The apparatus includes a foreign home agent (FHA). The method includes: when a mobile node (MN) moves from an Internet Protocol version 4 (IPv4) network to an IPv6 network, a FHA exchanges messages with the MN and the IPv4 home agent (HAv4) of the MN to register tunnels at the IPv6 network interface and the IPv4 network interface. The method further includes: the MN sends a Binding Update (BU) message that carries an IPv4 registration option of the MN, when the MN moves from the IPv4 network to the IPv6 network. With the present invention, the routing scheme for a dual-stack MN to roam from an IPv6 network to an IPv4 network is implemented.2009-05-07
20090116453METHOD FOR CONTROLLING REGISTRATION OF MOBILE STATION AND GENERIC ACCESS NETWORK CONTROLLER - A method for controlling registration of an MS and a Generic Access Network Controller (GANC) is provided. The method includes a GANC receiving a registration message from an MS, when there is an ongoing service between the GANC and the MS, the GANC triggers a handover procedure, or the GANC does not respond to the registration message. The GANC includes a receiving unit, a transmitting unit, a determining unit adapted to determine whether a registration request message should be redirected according to current network condition and registration information of an MS, and a cont rolling unit adapted to instruct the message transmitting unit, according to the determined result to send a notification message to the MS instructing MS's corresponding operation.2009-05-07
20090116454COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND HANDOVER METHOD - Provided is a communication device capable of reducing the network resource and the processing load of a network host. A handover destination performs unicast of packet data reporting an address of the handover destination to an upper-node device and the upper-node device reports release of connection with a communication terminal device to the handover origin. In this device, a handover control unit (2009-05-07
20090116455Method and Apparatus for Code Power Parameter Estimation for Received Signal Processing - As taught herein channelization code power estimates are generated for a number of data channels in a received CDMA signal based on a joint determination process. Joint processing in this context yields improved estimation of data channel code powers and corresponding estimations of noise variance. These improvements arise from exploitation of joint processing of measured data value correlations across two or more data channel codes represented in the received signal. In one or more embodiments, joint determination of data channel code powers comprises forming a correlation matrix as a weighted average of correlations determined for a plurality of data channels. In one or more other embodiments, joint determination of data channel code powers comprises jointly fitting the correlation matrices for a plurality of data channels in a least squares error estimation process.2009-05-07
20090116456Method, Apparatus, Analyser and Computer Program of Searching for Propagation Paths - A radio channel is formed for estimation, the radio channel including dominant paths from a digital impulse response estimate of a channel relating to a radio system. A divider divides the impulse response estimate temporally into at least two subsignals. An analyser determines whether a distribution of the amplitude values of at least one subsignal is gaussian or non-gaussian. A searcher searches for a highest amplitude value in each subsignal, which is determined to be non-gaussian. A generator may form a radio channel for a radio channel simulation, the radio channel including each propagation path corresponding to the highest amplitude value in each subsignal determined to be non-gaussian.2009-05-07
20090116457METHODS AND ELECTRONIC DEVICES FOR WIRELESS AD-HOC NETWORK COMMUNICATIONS USING RECEIVER DETERMINED CHANNELS AND TRANSMITTED REFERENCE SIGNALS - Electronic devices for communicating in wireless ad-hoc networks and multiple access systems (such as mobile radio telephone communications systems) are disclosed. For example, a disclosed transmitter can transmit data to a first receiver in an ad-hoc wireless network (or multiple access system) over a first channel and can, further, transmit data to a second receiver in the ad-hoc wireless network (or multiple access system) over a second channel that is separate from the first channel, where the first and second channels are determined by the respective receivers which will receive the first and second transmitted data. Accordingly, communications between transmitters and different receivers in the ad-hoc wireless network (or multiple access system) can be carried on simultaneously. Related receivers as well as methods, computer program products, and systems for communicating are also disclosed.2009-05-07
20090116458METHOD AND APPARATUS FOR EFFICIENT MULTIMEDIA DELIVERY IN A WIRELESS PACKET NETWORK - The present invention sends multiple versions of a multimedia packet to the base station, and, based on the radio channel and traffic characteristics, an appropriate version of the multimedia packet is selected to send to the mobile station at a given time. In this way, source transmission is improved to instantaneous conditions. The steps of the present invention are performed in conjunction with RTP used for multimedia transmission over internet protocol (IP) networks. In a first embodiment, the multiple versions are sent to the base station in the same RTP packet, and the base station strips out the extraneous versions. In a second embodiment, the base station receives multiple RTP packets having identical information in the packet header in many fields, and selects an appropriate one among these for transmission to the mobile station, discarding the rest.2009-05-07
20090116459APPARATUS AND METHOD FOR CELL SEARCHING IN WIRELESS COMMUNICATION SYSTEM - An apparatus and method for mapping a cell IDentifier (ID) for cell searching in a transmitter of a wireless communication system are provided. The method includes generating a single type of complex sequences mapped with a cell ID, and transmitting the complex sequences mapped with the cell ID to synchronization channels periodically transmitted in each slot of a physical frame.2009-05-07
20090116460APPARATUS AND METHOD FOR SCHEDULING FOR SUPPORTING QUALITY OF SERVICE OF DATA SERVICE IN MOBILE INTERNET SYSTEM - An apparatus and method for setting a Quality of Service (QoS) level by a Portable Subscriber Station (PSS) in a mobile internet system are provided. The method includes determining a QoS request level serving as a QoS level required for transmitting a real-time packet if a packet to be transmitted is a real-time packet, transmitting the determined QoS request level to a Radio Access Station (RAS), receiving the QoS level determined corresponding to the QoS request level from the RAS and setting the QoS level to correspond to the received QoS level.2009-05-07
20090116461Distributed Scheduling - In a network, some data are transmitted between stations during time slots in contention free periods. Selecting the time slots includes collecting timing information at some stations in the network. The timing information indicates the times of existing time slots used by stations whose transmissions can be reliably received by the station collecting the timing information. The timing information is distributed to other stations in the network. A new time slot for transmission between a first and a second station is selected based at least on timing information indicating the times of existing time slots used by stations whose transmissions can be reliably received by at least one of the first and second station.2009-05-07
20090116462High Speed Overlay Mode for Burst Data and Real Time Streaming (Audio) Applications - In a wireless 802.15.4 communication system (2009-05-07
20090116463MOBILE NODE AND COMMUNICATION CONTROL METHOD - A technology is disclosed for a mobile device with multiple interfaces to make use of its multiple interfaces capability with Mobile IP. According to this technology, MN (Mobile Node) 2009-05-07
20090116464ACCESS POINTS WITH SELECTIVE COMMUNICATION RATE AND SCHEDULING CONTROL AND RELATED METHODS FOR WIRELESS LOCAL AREA NETWORKS (WLANs) - The present invention is directed to methods and wireless communication devices that are configured to enhance communication capacity in a wireless network. In one aspect of the invention various scheduling processes and schedulers for the transmissions of data packets are disclosed. In another aspect of the invention, the selection of appropriate transmission rates to advertise by a common unit which provides wireless service to different types of wireless transmit receive units (WTRUs) is addressed.2009-05-07
20090116465WIRELESS LAN SYSTEM, WIRELESS LAN TERMINAL AND BASE STATION SEARCHING METHOD FOR SUCH SYSTEM AND TERMINAL - In terminal (2009-05-07
20090116466MOBILE COMMUNICATIONS - A mobile communications handset (2009-05-07
20090116467METHOD, SYSTEM AND DEVICE FOR ACCESSING NETWORK - The present disclosure discloses a method and system for a user accessing a network in which a user terminal obtains a requirement for an attribute of a network element, selects a network element meeting a capability requirement of a service to be used according to the requirement for the attribute of the network element, and accesses the network element meeting the capability requirement of the service to be used. The service requested by the user terminal can be implemented normally. Meanwhile, the present disclosure also discloses a user terminal and a Proxy Call Session Control Function (P-CSCF) discovery device.2009-05-07
20090116468METHOD FOR IMPLEMENTING HSDPA FOR TD-SCDMA - The present invention discloses a method for implementing multi-carrier HSDPA for TD-SCDMA system, comprises: establishing a multi-carrier cell at the network side, wherein multiple carrier resources in the multi-carrier cell being managed and allocated as a whole at the network side; configuring HS-PDSCH resources on at least one of the carriers of the multi-carrier cell, and at least one pair of HS-SCCH and HS-SICH physical channel resources on at least one of the carriers, at the same time, creating a MAC-hs to manage the channel resources on the carriers and the configuration of the MAC-hs entity itself; the network side allocating HSDPA resources to a user terminal, and sending the HSDPA resources to the user terminal; and the network side dynamically allocating the HSDPA resources on at least one carrier for the user terminal to transmit service data.2009-05-07
20090116469Reverse link pilot integrated with block codes - A technique for encoding digital communication signals. Data symbols are augmented in pilot symbols inserted at predetermined positions. The pilot augmented sequence is then fed to a deterministic error correction block encoder, such as a turbo product coder, to output a coded sequence. The symbols in the error correction encoded sequence are then rearranged to ensure that the output symbols derived from input pilot symbols are located at regular, predetermined positions. As a result, channel encoding schemes can more easily be used which benefits from power of two length block sizes.2009-05-07
20090116470INFORMATION CARRYING SYNCHRONIZATION CODE AND METHOD FOR FRAME TIMING SYNCHRONIZATION - An improved method for conveying data and synchronization information in a telecommunication system is disclosed. The method uses a cyclically permutable code, to which a repetitive structure has been imposed, for carrying the data and synchronization information. The decoding procedure at the receiver then uses this repetitive structure of the code to reduce complexity by first evaluating, by use of hypotheses H2009-05-07
20090116471Method for Enhancing Quality of Service in Mobile Telephony - A method for enhancing quality of service concerning at least one multimedia data, in particular concerning photographs, and/or video, and/or audio, and/or text, involving least one processing of the data. The method includes determining, beforehand or in real time, based on the factor, a first fraction of the multimedia data to be processed in the mobile telephone, a second fraction of the multimedia data to be processed in at least one remote server connected to the mobile telephone via the network, a first fraction of the processing to be carried out in the mobile telephone, and a second fraction of the processing to be carried out in at least one remote server, and performing each fraction of the processing and/or processing each fraction of the multimedia data thus determined in the mobile telephone and/or in the remote server.2009-05-07
20090116472Initiation of High Speed Overlay Mode for Burst Data and Real Time Streaming (Audio) Applications - In a wireless 802.15.4 communication system, a method and system are provided for switching between a predetermined protocol transmission mode and a high-speed transmission mode by including signaling mode information in a data packet (2009-05-07
20090116473Channel Estimation for Synchronized Cells in a Cellular Communication System - Channel estimation is performed by user equipment operating in a mobile communications system. Estimation involves receiving a signal and analyzing it to detect a signal component from a neighboring cell. Depending on outcome, one or both of the following are determined: whether a power level of the signal component from the neighboring cell exceeds a power threshold level; and whether a difference between timing parameters of the neighboring cell's signal component and that from a serving cell is less than a timing threshold level. If the power level of the neighboring cell's signal component exceeds the power threshold level and the difference between the timing parameters of the signal components from the neighboring cell and that of the serving cell is less than the timing threshold level, then a joint channel estimation process is performed. Otherwise, a single channel estimation process is performed.2009-05-07
20090116474TERMINAL, METHOD, AND COMPUTER PROGRAM PRODUCT FOR REGISTERING USER ADDRESS INFORMATION - The transferring unit transfers a message received from a PC or a network to a designated destination address. The judging unit judges whether an authentication message including the identification information of the user and a grant message indicating that the user is authenticated are transferred. The identification information acquiring unit acquires the identification information from the transferred authentication message. The SIP message processing unit creates a registration message that includes the address information of the user having the acquired identification information and transmits the created registration message to the SIP server when the grant message is transferred.2009-05-07
20090116475SYSTEM AND METHOD FOR INTER-PROCESSOR COMMUNICATION - A means for reliable inter-processor communication in a multi-processor system is described. In accordance with one aspect, a specially-configured serial bus is used as a general-purpose data link between a first processor and a second processor. The serial bus may be an Inter-IC Sound (I2009-05-07
20090116476METHOD FOR FORWARDING AND STORING SESSION PACKETS ACCORDING TO PRESET AND/OR DYNAMIC RULES - A system and method for recording and/or monitoring data by forwarding it, with or without analyzing or otherwise filtering the data itself are provided. According to embodiments of the invention, the system and method are operative over IP networks. According to an embodiment of the invention, there is provided a system and method for forwarding data according to at least one characteristic of the data, such as the session's metadata for example, without analyzing or otherwise filtering the data itself. According to another embodiment of the invention, before the data is forwarded to the recording device, pre-processing algorithms are performed according to a system preset or according to one or more rules.2009-05-07
20090116477Signaling Referring to Setup of H.324 Video Telephone Between Media Gateway and Controller - A video telecommunication connection is established via a landline telecommunications network and an IP multimedia subsystem telecommunications network using a media gateway control function of at least one Internet multimedia-media gateway device in the IP multimedia subsystem telecommunications network. An H.223 multiplex level usable for a telecommunication connection is exposed to an H.223 protocol negotiation, in carrying out an H.245 protocol negotiations for setting up the H.223 protocol negotiations connection for a telecommunication connection. A media gateway control function device is informed when the H.223 logic channels are open by H.245 signaling, thereby enabling the Internet multimedia-media gateway device of the IP multimedia subsystem telecommunications network to carry out at least part of the setup.2009-05-07
20090116478Method and system for activating a packet data subscriber context for packet data - A method and system for activating a context in a first network so as to transfer a call via said first network and a second network is provided. The method may include receiving a setup message according to an application protocol using a signaling or default context within a network, determining capability information based on the message according to the application protocol and activating a context using the determined capability information. The application protocol may be setup before activating the context.2009-05-07
20090116479UPnP-BASED NETWORK SYSTEM AND CONTROL METHOD THEREOF - A Universal Plug-and-Play (UPnP)-based network system and a control method thereof are provided. The UPnP-based network system includes a controlled device which transmits an advertisement message, and a control point which receives the transmitted advertisement message. The control point determines whether an extension header included in the advertisement message is changed, and if the extension header is changed, the control point transmits a message for requesting a description file to the controlled device. Also, the UPnP-based network system includes a controlled device which provides a description change advertisement service, and a control point which performs subscription of the description change advertisement service. The control point receives an event message for the description change advertisement service transmitted by the controlled device, and transmits a message for requesting a description file to the controlled device.2009-05-07
20090116480NETWORK SYSTEM - MTID of a terminal apparatus is preliminarily registered into a database of an ISP. In step S2009-05-07
20090116481On-Demand Data Delivery System - It is provided a data delivery system of hybrid type in which a multicast delivery and a unicast delivery are combined. The system has a multicast delivery server and a unicast delivery server which have the same content data. A terminals has functions of a reception control, a multicast reception, a unicast reception, a playback control and a data playback. The multicast delivery server delivers a content by multicast at a certain fixed interval. When a content delivery request is made by a user, the user terminal immediately starts reception of the multicast delivery which began latest and, receives data from a head of the content till the time point of the start of the reception as lack in the multicast delivery data, individually by unicast. The user first starts browsing with the unicast data and, thereafter switches the unicast data to the accumulated multicast data.2009-05-07
20090116482MULTICAST DISTRIBUTION DEVICE AND MULTICAST DISTRIBUTION METHOD - Provided is a multicast distribution device for transmitting a packet in which a reception node can easily perform signal synchronization between a plurality of hierarchized data. The multicast distribution device (2009-05-07
20090116483Supporting BGP Based IP-VPN In A Routed Network - A new type of Provider Edge (PE) device is used to support BGP-based IP-VPNs. Each VRF instance in a PE device is associated with a dedicated IP address (Service IP address). Each service IP address is dedicated to a VRF in a PE device. The service IP address is distributed by BGP for VPN route association. Customer/VRF IP packets can be sent to a VRF instance in the egress PE device using service IP header encapsulation (with IP Destination Address=Service IP address of egress PE's VRF & IP Source Address=Service IP address of ingress PE's VRF). This obviates the need for explicit tunnels in the core.2009-05-07
20090116484Parallelizing Peer-to-Peer Overlays Using Multi-Destination Routing - A method is provided for parallelizing overlay operations in an overlay network. The method includes: identifying an overlay operation having a parallel messaging scheme; determining a destination address for each parallel message in the messaging scheme; encoding each destination address into a data packet; and transmitting the data packet over the overlay network using a multi-destination, multicast routing protocol.2009-05-07
20090116485Packet relay method and device - A packet relay method and device in which even in the presence of a relay device between transmitting and receiving devices, a normality of a protection route can be surely confirmed is provided; A specific source address or destination address are registered, and when a route normality confirmation packet having the source address or destination address is received, the packet is transmitted to a protection route regardless of a hash operation; The registering can include link aggregation information in addition to the source address or destination address and the transmitting is made when the route normality confirmation packet consistent with both of the source address or destination address and the link aggregation information is received.2009-05-07
20090116486METHOD AND APPARATUS FOR OBTAINING AN ATTENUATION FACTOR - The present invention discloses a method for obtaining an attenuation factor. The method is adapted to process the synthesized signal in packet loss concealment, and includes: obtaining a change trend of a signal; obtaining an attenuation factor, according to the change trend of the signal. The present invention also discloses an apparatus for obtaining an attenuation factor. A self-adaptive attenuation factor is adjusted dynamically by using the latest change trend of a history signal by using the present invention. The smooth transition from the history data to the data last received is realized so that the attenuation speed is kept consistent between the compensated signal and the original signal as much as possible for adapting to the characteristic of various human voices.2009-05-07
20090116487COMMUNICATIONS SYSTEM - A method of performing a multimedia communication session over a communication link using Transmission Control Protocol (TCP) and over a communication link using User Datagram Protocol (UDP), including the acts of: receiving a request, over the TCP link, to register from a client terminal located within a private network; a probe data packet to the client terminal, over the TCP link, requesting to send a data packet over the UDP link; and receiving a data packet from the client terminal that contains information relating to an address of the client terminal and a dynamic port over which the multimedia communication session is to be established.2009-05-07
20090116488METHOD FOR DISTRIBUTING TRAFFIC BY MEANS OF HASH CODES ACCORDING TO A NOMINAL TRAFFIC DISTRIBUTION SCHEME IN A PACKET-ORIENTED NETWORK EMPLOYING MULTI-PATH ROUTING - Hash-code value ranges are determined for a traffic distribution among the nodes along a multipath route in a packet-oriented network, according to a predefined traffic distribution in the network. Starting from one or more start nodes, the traffic distribution is determined successively as a function of the hash-codes along the multipath route for each node, including branches, and an allocation of value ranges for the hash-codes to the outbound links is defined. The advantage is that it enables a desired distribution of traffic along any number of multipath routes by distribution on the basis of hash-codes.2009-05-07
20090116489METHOD AND APPARATUS TO REDUCE DATA LOSS WITHIN A LINK-AGGREGATING AND RESEQUENCING BROADBAND TRANSCEIVER - A rate shaper between a transmit queue and a transmitter regulates the flow rate of packets through a resequencing broadband transmission device, such as a cable modem, toward a user device, such as a computer. When the resequencing device receives packets out of order that belong to a program flow spread across multiple links, or channels, the rate shaper regulates the flow of packets by imposing a delay to the flow of resequenced packets by a factor that is inversely proportional to the number of out of sequence packets buffered in a message storage buffer. A setpoint signal may be input to the shaper to provide a target flow rate to the shaper.2009-05-07
20090116490METHOD AND APPARATUS FOR PACKET SEGMENTATION AND CONCATENATION SIGNALING IN A COMMUNICATION SYSTEM - The invention relates to a data packet structure for conveying data of service data units (SDU) using protocol data units (PDU). The data packet comprise a data packet payload comprising at least one protocol data unit (PDU), wherein a protocol data unit (PDU) comprises a service data unit (SDU) or a fragment of a service data unit; and a data packet header comprising an indicator (FFF, SFF) indicating whether or not the data packet payload begins with a protocol data unit (PDU) being a fragment of a service data unit and whether or not the data packet payload ends with a protocol data unit (PDU) being a fragment of a service data unit.2009-05-07
20090116491COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND METHOD FOR CONTROLLING TRANSPORT RESOURCE THEREOF - A communication system capable of making a communication utilizing a plurality of transport resources by exchanging control signals between communication devices. A single control signal transmitted and received between the communication devices contains information indicating that a transport resource is being utilized for the communication. The communication device comprises transport resource management section 2009-05-07
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