10th week of 2009 patent applcation highlights part 39 |
Patent application number | Title | Published |
20090059790 | CELLULAR COMMUNICATION SYSTEM, APPARATUS AND METHOD FOR MANAGEMENT OF BACKHAUL RESOURCES - A communication network element comprises traffic scheduler logic capable of scheduling transmission of a first category of queued traffic across a backhaul interface in accordance with a rate control value. The communication network element further comprises traffic manager logic capable of scheduling transmission of a second category of queued traffic across the backhaul interface in accordance with a determined backhaul bandwidth allocation, the backhaul bandwidth allocation being based on a determination of available bandwidth across the backhaul interface not required for scheduled first category traffic. | 2009-03-05 |
20090059791 | System and Method for Bandwidth Control - A method for bandwidth control includes maintaining priority rules for IP traffic. The method further includes determining current traffic characteristics associated with at least a portion of the IP traffic. The method also includes modifying a priority level based in part on the current traffic characteristics. In one embodiment, the method includes modifying a priority level based on a priority level associated with another user, application, protocol type, or interface identifier. In accordance with another embodiment, priority levels are modified in a plurality of networks or network elements. | 2009-03-05 |
20090059792 | Wireless Communication Device, Wireless Communication System, Wireless Communication Method, and Program - A bandwidth-reservation wireless communication device that performs communication with a communication destination node connected thereto via a wireless communication network includes a traffic amount estimation unit configured to estimate an amount of traffic involved in receiving response data from the communication destination node, and a media resources reservation unit configured to reserve media resources on the basis of the estimated amount of traffic. | 2009-03-05 |
20090059793 | Traffic engineering method, system and computer program product for managing traffic over dynamic networks during both normal and unexpected traffic scenarios - A network traffic engineering method, system and computer program cope with dynamic and unpredictable changes in traffic demands and in the availability and quality of interdomain routes by monitoring traffic over a network having nodes and links, calculating a routing utilizing a convex-hull-based optimal traffic engineering algorithm with penalty envelope (COPE), and adjusting network traffic flow in accordance with the calculated routing. Aggregating collected historical traffic matrices to produce a predicted traffic matrix, the method optimizes for the expected traffic scenario while providing a worst-case guarantee for unexpected traffic scenarios and thereby advantageously achieves efficient resource utilization during normal traffic and avoids network congestion in a wide variety of scenarios. | 2009-03-05 |
20090059794 | Method and apparatus for wiFi long range radio coordination - A method and apparatus for WiFi long range radio coordination is described. In one embodiment, a method for facilitating radio coordination in order to prevent simultaneous exchanges of data includes processing status information associated with a first radio and a second radio within a node and scheduling signal communications of the first radio and second radio based on the status information to avoid interference between the first radio and the second radio. | 2009-03-05 |
20090059795 | METHOD AND SYSTEM FOR TRANSITIONING BETWEEN A DISTRIBUTED AD HOC NETWORK ARCHITECTURE AND A CLUSTER AD HOC NETWORK ARCHITECTURE - Techniques are provided for detecting an increase in congestion in a distributed ad hoc network architecture and transitioning from the distributed ad hoc network architecture to a cluster ad hoc network architecture when a sufficient increase in congestion is detected based on one or more congestion level indicator values (CLIVs). Other techniques are provided for detecting a decrease in congestion in cluster ad hoc network architecture and transitioning from the cluster ad hoc network architecture to a distributed ad hoc network architecture when a sufficient decrease in congestion is detected based on one or more congestion level indicator values (CLIVs). | 2009-03-05 |
20090059796 | METHOD, SYSTEM, AND COMPUTER PROGRAM PRODUCT FOR IDENTIFYING COMMON FACTORS ASSOCIATED WITH NETWORK THRESHOLD VIOLATIONS - Disclosed are a method, system, and computer program product for identifying one or more common factors or causes which explain the one or more network threshold violations. In one embodiment, the method or the system identifies one or more network components within a network and then identifies which of the one or more network components is overloaded. The method or the system then identifies one or more simple factors for the identified network components where the one or more simple factors constitute one or more causes for overloaded network activity. The method or the system then determines a scaled composite weight for a simple factor to determine whether the scaled composite weight exceeds a second threshold. If certain simple factors are determined to exceed the second threshold, such simple factors are added to a list of common factors which are in turn stored in a tangible computer accessible medium. | 2009-03-05 |
20090059797 | ENSURING PHYSICAL LOCALITY OF ENTITIES SHARING DATA - A method and system for ensuring that data is only distributed within a certain physical area are disclosed. In one embodiment, a method provides that data is distributed only if the distance between a source and a sink is within a distance threshold. Under this system, the distance between the source and the sink may be estimated directly or indirectly. In some embodiments, the distance may be estimated by estimating the propagation delay for a signal traversing between the devices. The physical distance between the devices may be determined from the propagation delay. If the physical distance is outside a threshold value, the source may be prohibited from transmitting the data or the sink may refuse to display the data. | 2009-03-05 |
20090059798 | Apparatus for and method of monitoring QoS metrics of VoIP voice traffic using SIP/RTP - An apparatus for measuring QoS metrics of VoIP voice traffic using SIP and RTP in a router or a network, not in a user terminal, and a method of measuring QoS metrics of VoIP voice traffic using the apparatus. | 2009-03-05 |
20090059799 | SCALING OAM FOR POINT-TO-POINT TRUNKING - A shared (proxy) OAM session is performed in a packet-based network on behalf of a plurality of connections. First and second connections are each routed between respective nodes of the network for carrying data traffic. The second connection shares a portion of the routing of the first connection. The shared OAM session is performed along a path which is co-routed with at least part of the shared portion of the routing of the first connection and the second connection. Failure notification signalling is propagated to an endpoint node of each of the first and second connections when the shared OAM session indicates a failure has occurred. The use of a shared OAM session reduces processing at nodes and reduces OAM traffic. Each connection can be a trunk, such as a PBT/PBB-TE trunk, or a service carried within a trunk. | 2009-03-05 |
20090059800 | Method and apparatus for managing the interconnection between network domains - A control protocol is run in the interconnect region between network domains so that the interconnect region may be managed using a separate control plane. According to an embodiment of the invention, a spanning tree protocol is used to establish a separate spanning tree within the interconnect region. To avoid loop formation within the interconnect region, links interconnecting adjacent edge nodes that are part of the interconnect region and which belong to a given domain are allowed to pass control frames but not data frames. OAM may be used detect link failure of a link between adjacent nodes on a given domain. | 2009-03-05 |
20090059801 | Managing storage of HARQ packets - Methods of managing storage of HARQ packets are disclosed. One method includes a wireless device receiving variable length HARQ packets. The wireless device performing an error check on each received variable length HARQ packet, and storing within HARQ memory the HARQ packets that fail the error check. Each failed HARQ packet is stored in the HARQ memory by dividing the HARQ packet into HARQ sub-packets, and storing each HARQ sub-packet. The storage locations and storage order of each of the HARQ sub-packets are recorded for future retrieval. | 2009-03-05 |
20090059802 | DEVICE, SYSTEM AND METHOD FOR DIAGNOSING INTERWORKING FAULT OF X DIGITAL SUBSCRIBER LINE TRANSCEIVERS - A device, system and method for diagnosing an interworking fault of x Digital Subscriber Line (xDSL) transceivers are disclosed. The xDSL transceivers in the system include an xTU-C and an xTU-R. The system further includes: a message collection module adapted to collect and save the interaction messages transmitted between the xTU-C and the xTU-R during the activation of an xDSL line; and a fault analysis module adapted to analyze the collected interaction messages to obtain the first diagnosis conclusion with respect to the interworking fault. | 2009-03-05 |
20090059803 | HIGH RESILIENCY NETWORK INTRASTRUCTURE - A resilient interface architecture may include at least two interface switches and at least two interface routers. The at least two interface switches may provide connectivity between a subnetwork and a main network. If one of the switches fails, the connectivity otherwise provided by the failed interface switch may be provided by another one of the interface switches. Each interface router may be individually coupled to at least one interface switch. The interface routers may select a transmission path between the subnetwork and the main network through the interface switches. If one of the interface routers fails, the selection of transmission paths otherwise provided by the failed interface router may be provided by another one of the interface routers. | 2009-03-05 |
20090059804 | Methods and apparatus for generating simulated network traffic - Embodiments of the invention relate to generating simulated network traffic. In some embodiments, simulated network traffic may be generated using a specification of a sequence of frames to be transmitted from the network testing device. The specification may specify at least two frames including a first frame and a second frame. The specification may further specify a first interframe gap associated with the first frame and a second interframe gap, having a different length from the first interframe gap, associated with the second frame. | 2009-03-05 |
20090059805 | BASE STATION AND MOBILE STATION FOR PROCESSING WIRELESS COMMUNICATION WITH EACH OTHER, AND METHOD FOR CONTROLLING THE SAME - A base station and a mobile station for processing wireless communication with each other, and a method for controlling the same are provided. The method for controlling a base station which performs radio communication with a mobile station includes starting radio communication via at least one arbitrary mobile station and a predetermined cellular channel; receiving Channel Quality Indication (CQI) information from the mobile station; determining whether a radio communication anomaly occurs between a specific mobile station from among the at least one arbitrary mobile station and the base station by using the received CQI information; and when determining that the radio communication anomaly occurs with the specific mobile station, controlling to interrupt the radio communication via the predetermined cellular channel and perform radio communication via the specific mobile station and either a shared channel or an open channel. | 2009-03-05 |
20090059806 | METHOD, SYSTEM AND APPARATUS FOR PROVIDING SIGNAL BASED PACKET LOSS CONCEALMENT FOR MEMORYLESS CODECS - In a method, apparatus and system for transmitting packet loss concealment (PLC) information, a subscriber device divides a voice sample into a plurality of packets, each including a plurality of successive frames having portions of the voice sample. The subscriber device determines if a predetermined look ahead time duration from the final frame of the plurality of successive frames in a current packet of the plurality of packets includes a noise to voice transition. When the predetermined look ahead time duration is determined to include the noise to voice transition, the subscriber device packs packing information regarding the predetermined look ahead time duration into the current packet. Finally, the subscriber device encodes the plurality of successive frames into the current packet for transmission. | 2009-03-05 |
20090059807 | Systems and Methods to Monitor a Network - Systems and methods to monitor a network are provided. A particular method includes determining a data packet delivery rate between a first edge switch and a second edge switch coupled to a network. The method also includes sending the data packet delivery rate to a user device, operably coupled to a customer equipment side of the first edge switch, as graphical user interface display data. | 2009-03-05 |
20090059808 | Memory Access Optimization - A method and an apparatus for memory access optimization are disclosed. Data unit information may be accumulated for a plurality of data units. Partial network statistics for the plurality of data units may be read sequentially in round robin fashion from each of a plurality of memory banks of a memory. The partial networks statistics may be updated based on the plurality of data units. The updated partial network statistics may be written sequentially in round robin fashion to each of the plurality of memory banks. | 2009-03-05 |
20090059809 | System and Method for Detecting and Reporting Cable Network Devices with Duplicate Media Access Control Addresses - The detection of devices with duplicate media access controller (MAC) addresses in a cable network. A cable network device (CND) having a MAC address is connected by the cable network to a cable modem termination system (CMTS) having a gateway interface address. A centralized storage of historical cable modem MAC address/giaddr tuple data is used to identify CNDs that report duplicate MAC addresses. The cable network tracks the CND MAC address/giaddr tuple data of all CND requests that it receives and stores the MAC address/giaddr tuple data into a datastore (such as a database). When a CND seeks to access the network, the cable network looks into the datastore to determine whether the CND MAC address of the CND has previously been stored with a different associated giaddr, which would imply that there are multiple CNDs attached to different CMTSs where the CNDs share the same MAC address. If such duplication is detected, an appropriate remedial response is taken. | 2009-03-05 |
20090059810 | Network system - A network system includes: a monitored node ( | 2009-03-05 |
20090059811 | COMMUNICATIONS NETWORKS - In order to keep a pathway for time critical data packets (for example for VoIP calls) a dummy flow of data packets is established between a home hub router ( | 2009-03-05 |
20090059812 | ADAPTIVE METHOD AND APPARATUS FOR ADJUSTING NETWORK TRAFFIC VOLUME REPORTING - An adaptive method and apparatus for accurate network traffic volume limit reporting including receiving a network traffic volume limit for each subscriber based on the subscriber's level of service and reporting the network traffic volume on a more frequent basis for subscribers who are approaching their network volume limit. | 2009-03-05 |
20090059813 | INTEGRATION OF EXTERNAL LOCATION ENGINE USING SWITCH - An RF switch is provided. The RF switch includes a processor adapted for communication with an external location engine. The processor is configured to receive notification regarding a status of a wireless asset, receive a plurality of input variables associated with the wireless asset, determine whether the wireless asset is associated with the external location engine, and if the wireless asset is associated with the external location engine, query the external location engine for location data associated with the wireless asset. | 2009-03-05 |
20090059814 | Configuring and Optimizing a Wireless Mesh Network - An interactive software-based network design tool that may be used to simulate and view the operation of a wireless mesh device network used in a process plant, such as a wireless HART device network, allows a user to create a model of a wireless network, input several design requirements, and automatically generate and view communication routes and schedules for the wireless network. The network design tool provides an interactive graphic interface for the addition, removal, and positioning of nodes and devices within the wireless network and a menu including several interactive screens for specifying threshold values, network topology selections, routing preferences, and other configuration parameters related to generating and optimizing communication routes and schedules within the wireless mesh network. The network design tool automatically applies a set of optimization rules along with the parameters input by user to the network model in order to generate efficient network configuration data. | 2009-03-05 |
20090059815 | Self- organizing multi-channel mesh network - A system for self-organizing and auto-configuring mesh networks is disclosed. Special nodes (deemed special for their topological significance) are used as a starting point for forming clusters of fully connected nodes. Here, all nodes can communicate directly with one another and links are scheduled to meet the traffic requirements as indicated by their individual configuration and topological positions. Links that do not interfere with each other are scheduled to operate concurrently, thereby increasing the bandwidth offered by the whole system. When there is change to the system, such as leaving or introduction of a node, the system will adjust with minimum impact on its operation. Once all of the clusters are formed in a system, the clusters are now capable of inter-cluster communications with an increase in bandwidth for such communications. | 2009-03-05 |
20090059816 | Topology aware manet for mobile networks - Systems and methods provide adaptability in a mobile ad hoc network (MANET), based on an existing protocol, such as adaptive hybrid domain routing (AHDR). The systems and methods are especially suited for fast changing topologies that may change after a reactive route discovery has been completed. | 2009-03-05 |
20090059817 | Method and apparatus for assigning and provisioning VOIP services - A method, system, and computer usable program product for assigning and provisioning VOIP services are provided. A data processing system receives an order for the VOIP service and information about virtual inventory. The data processing system may create a provisioning command including provisioning information for provisioning a telecommunication line according to the order and send the provisioning command to a provisioning system, create a porting command including porting information for porting the phone number in the order if porting a phone number and send the porting command to a porting system, create a registration command including user information for registering a user and send the registration command to a web portal create a setup command including the user information for creating an account for the user and send the setup command to a customer management system. The data processing system may then complete the order for the VOIP service. | 2009-03-05 |
20090059818 | Systems and methods for providing configurable caller id iformation - Systems and methods for providing voice communications using a computing system associated with a first user are disclosed. A communications service is provided that manages packetized voice communications between a plurality of users including the first user. A voice communications configuration software application executing on the first computing system configures a caller ID information associated with a voice communication initiated by the first user. The voice communications configuration software application controllably provides outbound caller ID information for the voice communication. | 2009-03-05 |
20090059819 | SYSTEM AND METHOD FOR TRANSMITTING/RECEIVING SIGNAL IN A COMMUNICATION SYSTEM - A system and method for transmitting and receiving signals in a communication system are provided, in which a BS communicates with a first MS located within an inner area of a cell during first and second time periods in TDD and communicates with a second MS located within an outer area of the cell during the first time period in FDD, and an RS detects signals transmitted between the BS and the second MS during the first time period and transmits the detected signals simultaneously to the BS and the second MS during the second time period. | 2009-03-05 |
20090059820 | SYSTEM AND METHOD FOR USING FREQUENCY AND TIME RESOURCES IN A COMMUNICATION SYSTEM - A method and system for using frequency resources in a communication system are provided. In the method and system, a total frequency band is divided into at least two frequency subbands and there is a guard interval between frequency subbands. A first frequency subband includes a TDD UL frequency subband and a TDD DL frequency subband. A second frequency subband includes an FDD UL frequency subband. A BS sets a frequency band between the TDD UL frequency subband and an FDD UL frequency subband as an additional UL frequency subband, and receives a signal from an MS in the additional UL frequency subband. | 2009-03-05 |
20090059821 | ACOUSTIC ECHO CANCELLATION BASED ON NOISE ENVIRONMENT | 2009-03-05 |
20090059822 | Universal femto cell - A universal femto cell, method, and computer usable program product for using the universal femto cell are provided such that the femto cell is configurable according to the user's choice of wireless carriers. A user configurable component of the universal femto cell enables a user to configure the universal femto cell to operate on at least one wireless communication network The universal femto cell further includes a storage unit for storing information used in configuring the universal femto cell, a network communication component used in communicating with a network, and a user interface component to receive a user input. The universal femto cell receives a second input from a data processing system, and uses the user input and the second input to configure the universal femto cell to operate on one or more wireless communication network | 2009-03-05 |
20090059823 | System and method of edge caching when communicating data - A communication system and method for communicating data is provided. The communication system includes at least one base station that transmits common data within a range of the at least one base station and a plurality of nodes. The plurality of nodes include at least a first node in communication with at least one of the at least one base station and at least a portion of other nodes of the plurality of nodes. At least one of the plurality of nodes are mobile, and the plurality of nodes at least one of advertise the common data available for transmission while within a predetermined area and receive the common data from one of a current node of a plurality of nodes that has current common data and the at least one base station. | 2009-03-05 |
20090059824 | NETWORK ALLOCATION - Included are embodiments for network allocation. More specifically, one embodiment of a method includes receiving, at a first communications device, without a prior RTS signal being sent, a first clear to send (CTS) signal from a second communications device, addressed to the first communications device, the CTS signal indicating a data exchange duration and sending a second CTS signal, from the first communications device, to the second communications device. | 2009-03-05 |
20090059825 | Transmit Power Management Based on Receiver Parameter and Method for use Therewith - An RF transceiver includes an RF receiver that receives a received signal from an external device, the RF receiver having an AGC module that generates an automatic gain control (AGC) signal based on a strength of the received signal, and a low noise amplifier that amplifies the received signal based on the AGC signal. A processing module generates a transmit power control signal based on the AGC signal. An RF transmitter generates a transmit signal having a selected power level, wherein the selected power level is based on the transmit power control signal. | 2009-03-05 |
20090059826 | POWER SAVING TECHNIQUES BASED ON COVERAGE CONDITIONS - Techniques for managing power consumption are disclosed. For instance, an apparatus may include a first network interface module, a second network interface module, and a power management module. The first network interface module may communicate with wireless networks of a first network type, and the second network interface module may communicate with wireless networks of a second network type. Examples of first and second network types are EVDO and CDMA2000, respectively. The power management module may suspend one or more operations of the first network interface module when a number of first network type outages exceeds a predetermined outage threshold within a predetermined time interval. | 2009-03-05 |
20090059827 | System, Method and Apparatus for Asynchronous Communication in Wireless Sensor Networks - The present invention provides a system, method and apparatus for asynchronous communication in wireless sensor networks. Each sensor includes a transmitter normally operating in a sleep mode, a low power receiver having a memory, a sensing module, and a processor normally operating in a sleep mode communicably coupled to the transmitter, the low power receiver and the sensing module. Data is received via the low power receiver and stored in the memory. Whenever a wakeup time occurs, the transmitter and the processor are put in an operational mode, sensory data is obtained from the sensing module, the sensory data is processed, the received data is obtained from the low power receiver memory, the processed sensory data and the received data are transmitted via the transmitter, and the transmitter and the processor are put in the sleep mode. | 2009-03-05 |
20090059828 | Intermittent operation communication device and communication system using beacon and sleep mode - An intermittent operation communication device periodically repeats beacon transmission, data reception or data reception wait, and sleep to transmit data to any of reception side communication devices. The intermittent operation communication device includes a data transmitter for performing transmission when receiving a beacon from any of the reception side communication devices and having data traffic generated meant for a reception side communication device, a transmission announcer for intermittently transmitting a transmission announcement beacon while waiting for reception when having the data traffic generated, and an adjuster for monitoring a transmission announcement beacon from any other of the intermittent operation communication devices to adjust the transmission of the data traffic. | 2009-03-05 |
20090059829 | SLEEP-STATE FOR MOBILE TERMINAL AND SERVICE INITIATION FOR MOBILE TERMINALS IN SLEEP-STATE - The invention relates to the initiation of a service to a mobile terminal capable of communicating via at least a first and second access network. Further, the invention relates to a reduction of power consumption of mobile terminals supporting connectivity to at least two access networks. The invention also relates to mobile communication systems and in particular to mobile communications through heterogeneous access networks. In order to prove improved method for initiating services to mobile terminals and/or to reduce power consumption of mobile terminals, the invention introduces of a sleep state that can be entered by the terminal for an access system if same is not used. Upon requesting a service from/to the mobile terminal, the mobile terminal starts service initiation through a second access system and transits back to active state for the first access system for service provision. | 2009-03-05 |
20090059830 | METHOD OF SIGNALLING, A COMMUNICATION SYSTEM AND A COMMUNICATION EQUIPMENT - First and second data is transmitted simultaneously by modulating a first set of signal constellation points, corresponding to the first data, with second data thereby creating a second set of constellation points. The second set of constellation points comprises two subsets corresponding to two values of the first data. The constellation points are selected such that the minimum distance between the first and second subsets is not less than the minimum distance between the constellation points of the first set of constellation points. | 2009-03-05 |
20090059831 | METHOD OF COMMUNICATING A MULTI-USER PACKET TO A GROUP OF USERS - A disclosed method of communicating includes using a group identifier within a multi-user packet (MUP) to indicate at least one packet within the MUP is intended for a plurality of members of a group corresponding to the group identifier. In a disclosed example, the group identifier comprises a group MAC identifier that is included in a header of the MUP. Mobile stations receiving the MUP process the MUP to determine whether any individual user identifier or any group MAC identifier within the MUP indicates that an associated packet is intended for that mobile station. If so, the mobile station proceeds to process the associated packet or packets from within the MUP. | 2009-03-05 |
20090059832 | METHOD AND SYSTEM FOR UTILIZING COMMONALITY IN DATA STREAMS | 2009-03-05 |
20090059833 | Wireless Multiple Connections and Method Thereof - The present invention provides a method for wireless transmission of a single packet flow from a network element. The method comprises establishing a first logical connection to a first wireless terminal for transmission of said single packet flow, determining at least one traffic parameter, establishing at least a second logical connection to the wireless terminal depending on said traffic parameter, for transmission of said single packet flow and transmitting the single packet flow using at least one of the first and second logical connections to the wireless terminal. | 2009-03-05 |
20090059834 | MULTIPLE RECEIVER AGGREGATION - A technique for multiple receiver aggregation that allows for multiple immediate responses of acknowledgements or block acknowledgements. The technique uses a spoofed network allocation vector (NAV) implemented within an aggregate's PLCP header to protect the aggregate and all of the immediate responses from multiple receivers. The immediate responses are scheduled, the information indicating the scheduled offset time and granted transmission duration for response of each receiver being included in the physical sublayer data unit (PSDU) headers within the aggregate. | 2009-03-05 |
20090059835 | CENTRAL NODE, BASE STATION, MOBILE STATION, AND DATA TRANSMISSION METHOD - A disclosed base station includes a grouping unit configured to categorize mobile stations that are in the coverage area of the base station and in a multicast group into groups; and a content transmission unit configured to determine radio parameters for content based on at least supported frequency bands or transmission rates of the mobile stations in the respective groups and an available frequency band or a transmission rate of the base station and to transmit the content received from an upper node to the multicast group. | 2009-03-05 |
20090059836 | Portable Voice and Data Radio Base Station - Various embodiments are directed to a portable voice and data radio base station to couple to a mobile computing device. When coupled, the portable voice and data radio base station and the mobile computing device may cooperatively form a wireless access point to enable communications among a network and other local wireless communication devices. Other embodiments are described and claimed. | 2009-03-05 |
20090059837 | SYSTEM AND METHOD FOR MANAGEMENT AND ADMINISTRATION OF REPEATERS AND ANTENNA SYSTEMS - A system for remote control of a remote network element of a wireless network is provided including an administration unit, a virtual private network implemented on a base network connecting the administration unit and the remote network element. An element manager application executes on the administration unit and is operable to remotely control the remote network element through the virtual private network. | 2009-03-05 |
20090059838 | Methods and apparatuses for efficiently using radio resources in wireless communication system based on relay station (RS) - Methods and apparatuses for efficiently using radio resources in a wireless communication system based on a relay station are provided. An operating method of a relay station (RS) for efficiently using radio resources in a wireless communication system based on the RS. The method includes setting a call with a sending terminal; checking whether a receiving terminal of the sending terminal travels in the same RS cell, in a different RS cell of the same base station (BS) cell, or in a different cell of a neighbor BS; and checking a destination address of a data and relaying the data to the receiving terminal according to a result of the checking. | 2009-03-05 |
20090059839 | Broadband Satellite System and Method - Implementations of broadband satellite systems may comprise systems implementing embodiments of one, two or all of the aspects of distributed leadership, distributed bandwidth allocation and distributed timing. In systems implementing distributed leadership aspects, the control and administration of the network can be effectively performed by any site. In systems implementing distributed bandwidth allocation aspects, all remote sites may act in concert by running the same algorithm on the information they have received, arriving at a harmonious conclusion. In systems implementing distributed timing aspects, time division multiple access (“TMDA”) bursts within timeslots may not require a central timing reference, a distributed high stability timing reference or a timing leader. | 2009-03-05 |
20090059840 | Wireless communication system and method for managing service flow identifier in the same - The present invention relates to a wireless communication system and a service flow identifier management method thereof. The wireless communication system includes a plurality of RASs for controlling a plurality of PSSs in a radio network, and a plurality of ACRs for providing wireless communication services to the PSSs through the plurality of RASs, and respectively managing a service flow identifier used for identifying a connection service for each PSS. When a status of each service flow identifier managed by the plurality of ACRs is different, the wireless communication system releases the corresponding service flow identifier so as to set the status of each of the service flow identifiers to be the same. According to the present invention, in the wireless communication system, the plurality of ACRs separately manage service flow identifiers, and mismatched service flow identifier information due to errors in the system or a node or message transmission/receiving errors can be set to be the same. In addition, when a partial system error occurs and thus the system is restored, a service flow identifier not having the same status due to the error can be efficiently released and set to be the same. | 2009-03-05 |
20090059841 | Wireless communication methods and apparatus using beacon signals - Methods and apparatus supporting peer to peer communications are discussed. A base station, serving as an access node for wireless terminals also communicates information supporting peer to peer communications. A base station transmits a beacon signal conveying information about a peer to peer frequency band and also receives user data from a plurality of wireless terminals, using the base station as a current point of network attachment. In some embodiments, the beacon signal is transmitted into the same frequency band being used for access node based communications and identifies a different frequency band which is to be used as a peer to peer frequency band. Alternatively, or in addition, in support of peer to peer communications, a beacon signal transmission apparatus, a free standing device which doesn't transmit user data, transmits a sequence of beacon signal bursts, each beacon signal burst including at least one high power beacon symbol. | 2009-03-05 |
20090059842 | SYSTEMS, METHODS, AND DEVICES THAT DYNAMICALLY ESTABLISH A SENSOR NETWORK - A wireless sensor network includes a network sink node and a plurality of cluster nodes. The cluster nodes are configured to pass communications upstream and downstream. Each cluster node has a communication range, or coverage area. A cluster node is configured to communicate with sensor nodes within the coverage area of cluster node. The sensor nodes are configured to register with at least one cluster node. The cluster nodes are configured to register with the network sink. Identifiers for the sensor nodes may be dynamically generated. Identifiers for the cluster nodes may be dynamically generated. | 2009-03-05 |
20090059843 | SYSTEMS, METHODS AND COMPUTER PRODUCTS FOR PROVIDING A GRADIENT DRIVEN MESH-NETWORK ESTABLISHMENT - Systems, methods and computer products for establishing a mesh-network consisting of wireless personal area network (WPAN) having a large number of nodes. Exemplary embodiments include a gradient-driven mesh-network establishment method, including switching on a plurality of nodes in a vicinity of the wireless personal area network, detecting an acknowledgment signal via a wireless personal area network signal, querying for at least one or a resource and a physical quantity, selecting a subset of the plurality of nodes and instructing the subset of the plurality of nodes to send out a low power radio transceiver DISCOVER squirt signal to a neighborhood associated with the subset of the plurality of nodes, wherein nodes exclusive of the subset of the plurality of nodes turn off in response to an expiration of a time-out period. | 2009-03-05 |
20090059844 | METHOD OF TRANSMITTING DATA IN MULTIPLE ANTENNA SYSTEM - A method of transmitting data in a wireless communication system comprises receiving feedback data on an uplink data channel, the feedback data comprising a precoding matrix indicator (PMI), wherein the value of the PMI corresponds to an index in a codebook, transmitting a precoding scheme for downlink data on a downlink control channel, wherein the preceding scheme is determined as one of at least two of a transmit diversity irrespective of the received PMI, an acknowledgement indicating preceding according to the received PMI and a new PMI indicating that it is used in precoding downlink data to be transmitted, and transmitting the downlink data on a downlink data channel after applying precoding according to the determined preceding scheme. | 2009-03-05 |
20090059845 | METHOD AND APPARATUS FOR EFFICIENT SELECTION AND ACQUISITION OF SYSTEMS UTILIZING OFDM OR SC-FDM - Techniques for performing system selection and acquisition are described. In one design, a terminal may obtain at least one system record for at least one system utilizing orthogonal frequency division multiplexing (OFDM) or single-carrier frequency division multiplexing (SC-FDM). Each system record may include system identification information for an associated system and an index for an associated acquisition record. The terminal may also obtain at least one acquisition record for the at least one system. Each acquisition record may include at least one value for at least one configurable system parameter, e.g., FFT size, cyclic prefix length, number of guard subcarriers, etc. The terminal may perform acquisition for the at least one system in accordance with the at least one system record and the at least one acquisition record. The system and acquisition records may be stored in a Preferred Roaming List (PRL) or a Most Recently Used (MRU) list. | 2009-03-05 |
20090059846 | PEER-TO-PEER PROTOCOL FOR CELLULAR BASESTATIONS - A novel method for coordinating the operation of cellular basestations through the use of direct communication among those basestations. This is a departure from the current use of “radio network control” (RNC) elements such as the basestation controller (BSC) and mobile switching center (MSC) of the GSM standard and functionally equivalent elements use in other cellular standards. The replacement of the RNC elements with direct communication among basestations gives a network that is less expensive and more reliable that what is afforded by current practices. | 2009-03-05 |
20090059847 | UNSOLICITED GRANT SERVICE CLASS OF IEEE 802.16/WiBro SYSTEM - Provided is a traffic class of an IEEE 802.16/WiBro system. The unsolicited grant service (UGS) scheduling method with regard to a subscriber station (SS) and a base station (BS) that are disposed in a network wherein an IEEE 802.16/WiBro system is realized, the method includes: when the SS requires 1 through M (where M is a positive integer) UGS flows, and the BS serves 1 through N (where N is a positive integer) frames, the BS storing grant periods and guaranteed sizes that are granted to the M UGS flows in each N frame; and the BS comparing service capacity of a frame and a sum of guaranteed sizes of each flow belonging to the N frames, and determining if an overload occurs. | 2009-03-05 |
20090059848 | Method and System for Supporting Large Number of Data Paths in an Integrated Communication System - Some embodiments provide a method and system for supporting a large set of data paths in a first communication network through a smaller set of data paths over which data services of a core network are accessed. Some embodiments provide such functionality by mapping identifiers associated with the larger set of data paths to a smaller set of proxy identifiers associated with the smaller set of data paths. | 2009-03-05 |
20090059849 | COMMUNICATION APPARATUS AND COMMUNICATION METHOD - A communication means which allocates a terminal identifier to a destination communication apparatus and carries out communication with the destination communication apparatus by use of a plurality of functions including an identifier generation section | 2009-03-05 |
20090059850 | METHOD AND SYSTEM FOR TRANSMITTING RESOURCE ALLOCATION INFORMATION IN A COMMUNICATION SYSTEM - A method and system for transmitting and receiving resource allocation information in a communication system are disclosed, in which an Relay Station (RS) receives a resource allocation information message from a Base Station (BS), detects a first resource allocation information from the resource allocation information message, and detects a second resource allocation information intended only for the RS using the first resource allocation information. | 2009-03-05 |
20090059851 | Mitigation of uncoordinated interference of a wireless access node - An apparatus and method of a wireless node mitigating the effects of uncoordinated interference is disclosed. One embodiment of a method includes the wireless node monitoring uncoordinated interference affecting transmissions of the wireless node, and evaluating a plurality of wireless links, the evaluation influenced at least in part on the monitored uncoordinated interference. | 2009-03-05 |
20090059852 | Method And Apparatus For Allocation Of Radio Resources - An estimate of a cost of allocating radio resources available for allocation to the at least one radio link within a cell is generated in dependency | 2009-03-05 |
20090059853 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING PACKETS IN A MOBILE COMMUNICATION SYSTEM - A method for transmitting a packet over a radio channel in a mobile communication system. The method includes receiving first packets from an upper layer; checking a number of and a size of the first packets to be bundled in a second packet; generating the second packet using the first packets and a header including an indicator that indicates if the number of and a size of the first packets to be bundled in the second packet satisfy a predetermined condition; and transmitting the generated second packet via a lower layer. | 2009-03-05 |
20090059854 | RADIO COMMUNICATION BASE STATION APPARATUS AND RADIO COMMUNICATION METHOD - Provided is a base station capable of searching cells of different frequencies without losing a chance of data communication by effectively performing SCH data communication. The base station ( | 2009-03-05 |
20090059855 | DISTRIBUTED HIERARCHICAL SCHEDULING IN AN AD HOC NETWORK - An ad hoc network with distributed hierarchical scheduling is disclosed. In one aspect, stations in a network mesh detect interfering neighbor stations and form interference lists. Stations transmit their interference lists. Scheduling stations schedule allocations for child stations in response to interference lists, received remote allocations, or a combination thereof. Coordination messages are transmitted including frame structure, allocations, and interference lists, among others. In another aspect, an ad hoc mesh network may be organized into a tree topology. In an example wireless backhaul network, this matches traffic flow. Distributed, hierarchical scheduling is provided where parents schedule communication with children while respecting already scheduled transmissions to/from interferers and to/from interferers of their respective children. Procedures to construct interference constraints for distributed, hierarchical scheduling are described, resulting in efficient scheduling and reuse in an ad hoc wireless network, without centralized scheduling. Various other aspects are also disclosed. | 2009-03-05 |
20090059856 | SPECTRUM SHARING - Disclosed herein are various example methods and apparatuses. According to one example, a method may include determining, by a first wireless node in a first wireless network, that spectral resource needs for the first wireless network exceed spectral resources currently available for the first wireless network. The method may further include sending, to a second wireless node in a second wireless network, a request to borrow one or more of the one or more resource units, the request being based on the determining. | 2009-03-05 |
20090059857 | Method and apparatus for load balancing in broadband communication system - An apparatus and method are provided for load balancing in a broadband communication system. In an initial network entry/network reentry/handover, whether to allow a user terminal and whether to allow each service flow are checked. The channel state and load state of candidate frequency assignments and subcells are detected. The ranging status of a corresponding frequency assignment or a corresponding subcell is set according to whether to allow the user terminal. The allowable candidate frequency assignment and subcells are selected and transmitted. | 2009-03-05 |
20090059858 | System and Method for requesting bandwidth allocation and allocating bandwidth in communication system - Disclosed is a method of requesting bandwidth allocation by an MS having at least two CIDs in a communication system, the method including the steps of detecting at least one CID needing the bandwidth allocation; when a plurality of CIDs are detected, generating a grant management subheader including a region for recording the total number of the CIDs needing bandwidth allocation and a region for recording bandwidth information of a generic MAC header CID, and a grant management subheader including, for each of the CIDs needing bandwidth allocation, other than the generic MAC header CID, a region for recording the order of a corresponding CID given in a MS CID list and a region for recording bandwidth information of the corresponding CID; and transmitting the generic MAC header with the grant management subheaders concatenated thereto to a BS. | 2009-03-05 |
20090059859 | COMMUNICATION DEVICE - In a communication apparatus, a grouping unit determines an adaptability based on a reception quality notified by a mobile station located in a cell, and groups mobile stations or connections by each of adaptabilities; an adaptability-based frame-occupancy-rate determining unit determines a data-mapping amount (an available capacity) by each of the adaptabilities depending on an amount of interference; and a frame mapping unit controls the mobile stations or the connections grouped by each of the adaptabilities to be mapped to a wireless frame by each frame based on the determined data-mapping amount. | 2009-03-05 |
20090059860 | SCHEDULER AND METHOD FOR ALLOCATING TIME AND FREQUENCY DIMENSIONS OF DOWNLINK BURSTS IN BROADBAND WIRELESS ACCESS NETWORKS - Embodiments of a scheduler and a method for assigning frequency and time dimensions of downlink bursts in broadband wireless access networks are generally described herein. Other embodiments may be described and claimed. In some embodiments, the frequency and time dimensions of downlink bursts are assigned to each of a plurality of subscriber stations based on one or more individual channel characteristics and one or more individual data requirements associated with the subscriber stations. | 2009-03-05 |
20090059861 | BLIND HANDOVER USING LOAD COMPENSATED MEASUREMENTS - A method of initiating handover in a cellular radio system with CDMA access technology. A mobile station is present in a serving cell and handover should be made from a serving cell to a target cell. Before the handover is made the signal quality from the target cell is estimated. The mobile measures the signal quality, preferably Ec/Io of the pilot tone, from the serving cell. An RNC node calculates the estimated signal quality as a function of the measured signal quality, a load dependent quantity at the serving and target cells and decides to initiate the handover when the estimated signal quality at the target cell is better than a predefined minimum value or is better than the measured signal quality. As load dependent quantity the total output transmission powers P | 2009-03-05 |
20090059862 | Method for Efficient Delivery of Clustered Data Via Adaptive TCP Connection Migration - The present invention relates generally to a method for efficient I/O handling in a cluster-based architecture. According to one aspect, the invention enables efficient scheduling of TCP connection migrations within a cluster. According to another aspect, the invention enables I/Os performed as TCP handoff operations to coexist on the same TCP/IP connection with I/Os performed as remote operations. | 2009-03-05 |
20090059863 | Method and system of wireless communication for mobile voice data - The present invention relates to a method and a system of wireless communicating voice data. When wireless communicating voice data, there is no need to collect the related information of the voice data into a multiple voice packet. Therefore, the ratio of the voice data in the multiple voice packet is increased remarkably to improve the efficiency of the wave band of the wireless communication. This method and the system therefore will provide high speed VoIP voice hand-over capability such that when the handset end-user is in high speed moving condition, the voice package can hand-over from one base station to next base station. For low power system such as WiFi, this method and the system thereof provides the best voice mobility capability. | 2009-03-05 |
20090059864 | METHOD AND SYSTEM FOR MANAGING MOBILITY IN A MOBILE COMMUNICATION SYSTEM USING PROXY MOBILE INTERNET PROTOCOL - A system is provided for managing mobility of an Access Terminal (AT) in a Proxy Mobile Internet Protocol (PMIP) communication system. As the AT performs a handoff, a target Signaling Radio Network Controller (SRNC) delivers session information of the AT, acquired from a source SRNC of a source network, to a target Access Network (AN). An Authentication, Authorization and Accounting server (AAA) performs an AT access authentication process. Then, a target Access Gateway (AGW) performs a proxy registration procedure, with the target AN, and receives, from the AT, a message indicating a need to establish an interface with the HA. A Home Agent (HA) performs mobility management for the AT, receives a message for requesting proxy registration for mobility management for the AT, sends an access request message to the AAA, receives an access accept message, and sends a response message for proxy registration to the target AGW. | 2009-03-05 |
20090059865 | Seamless Handover Method and System - The present invention provides a communication system for performing the seamless handover of a mobile station between at least a first wireless access point and a second wireless access point within wireless LAN. The mobile station is in the coverage of at least the first wireless access point for receiving and/or sending the data from and/or to the first wireless access point. The system comprises a first server for storing data from a data source; a switch for exchanging the data between the first server and the first and second wireless access points; and a second server coupled to the switch, for receiving the data from the first server via a switch when the mobile station roams from one access point to another one, and transferring the stored data to the mobile station through the switch after the roaming. | 2009-03-05 |
20090059866 | METHOD, SYSTEM AND APPARATUS FOR IMPLEMENTING FAST HANDOVER - A method, a system and an apparatus for fast handover, and relates to the field of mobile communication. The method is to create a fixed tunnel relationship between the PAR and the NAR, where a current host route of an MN at the access routers PAR and NAR is created; and the access routers (PAR and NAR) and the MN encapsulating a message according to the current host route information of the MN, and transferring the message through a tunnel. The apparatus includes a tunnel creating module, a host route creating module, a neighbor relationship creating module, and a transferring module. The technical solution under the present disclosure needs to create only one tunnel, which improves the router efficiency greatly and makes the handover process smoother. | 2009-03-05 |
20090059867 | Cell Base Station Neighbor List Self Configuration - A code division multiple access telecommunications network including an underlay base station in a private premises and a plurality of overlay macro base stations. The underlay base station includes a GPS receiver and a mobile unit receiver. The underlay base station uses its geographic location to obtain information identifying macro base stations within a preselected distance of the underlay base station. It uses the mobile receiver to measure pilot signal strength of the macro base stations. It generates a neighbor list of the identified macro base stations ranked according to pilot signal strength. | 2009-03-05 |
20090059868 | Cell Base Station Radio Frequency Channel Selection - A code division multiple access telecommunications network including an underlay base station in a private premises and a plurality of overlay macro base stations. The underlay base station includes a GPS receiver and a mobile unit receiver. The underlay base station uses its geographic location to obtain information identifying base stations within a preselected distance of the underlay base station. It uses the mobile receiver to measure signal strength of the base stations. It automatically selects as an operating frequency a channel dedicated to underlay stations or an unused channel allocated for macro base stations or a macro base station frequency which results in minimum interference. The mobile unit receiver may be used to identify the frequency with lowest signal level at the underlay station. | 2009-03-05 |
20090059869 | Pseudorandom Noise Selection Method for Mobile Communication Sites - A method for allocating a pseudorandom noise identifier (PN) to a home base station (HBS) is provided. The method includes determining the location of the HBS, determining the PNs in use adjacent to the HBS, and using the location of the HBS and the PNs in use to select a PN for the HBS. | 2009-03-05 |
20090059870 | Method to Filter Unauthorized Mobile Devices in Code Division Multiple Access Networks - A method for managing an attempted connection between a home base station (HBS) and a device not registered with the HBS is provided. The method includes transferring the connection when the attempted connection can be transferred to a traditional base station. When the attempted connection cannot be transferred to a traditional base station, it is determined whether a portion of the resources of the HBS can be used by the device not registered with the HBS. When a portion of the resources can be used, the portion is used. When a portion of the resources cannot be used, the attempted connection is not completed. | 2009-03-05 |
20090059871 | Time-to-Trigger Handling Methods and Apparatus - Time-to-trigger (TtT) time periods are usually fixed. A better TtT parameter is adapted based on the signal quality that a receiver perceives from its surrounding area. For example, the lower the value of a first signal quality at the same time that the value of a second signal quality is greater than a trigger threshold, the shorter the TtT parameter becomes. | 2009-03-05 |
20090059872 | WIRELESS DYNAMIC RATE ADAPTATION ALGORITHM - A wireless switch is provided. A processor is adapted to set a radio frequency (RF) transmission speed for a wireless client based on a location of the wireless client and a signal-to-noise ratio (S/N) of a radio frequency signal received by the wireless client. | 2009-03-05 |
20090059873 | Characterizing uncoordinated interference of a wireless network - An apparatus and method of a wireless access node within a network characterizing uncoordinated interference is disclosed. One method includes the wireless node collecting air-time usage history as perceived by the wireless access node. The wireless access node receives air-time usage history as perceived by at least one neighboring wireless node. The wireless access node comparatively analyzes the collected air-time usage and the received air-time usage. | 2009-03-05 |
20090059874 | WIRELESS ACCESS SYSTEMS - The invention provides method of, apparatus capable of, and computer software for, providing a user with access to a communications system including a plurality of wireless access points, said method comprising providing set of functions for use on a user terminal, said functions including functions for: storing a plurality of sets of user identification data, said user identification data relating to one or more wireless access points via which the user has authorisation to access the communications system; providing a directory of wireless access points in said communications system, said directory including wireless access point identification data; using said directory to identify a wireless access point; and using one of said plurality of sets of user identification data to access the communications system via an identified wireless access point. | 2009-03-05 |
20090059875 | NODE FAULT IDENTIFICATION IN WIRELESS LAN ACCESS POINTS - A wireless access point array having a plurality of access point radios, a monitor radio and an array controller. The array controller includes processes, methods and functions for verifying the operation of the access point radios. The access point radios may be verified by attempting to establish a data connection between the monitor radio and each of the access point radios. | 2009-03-05 |
20090059876 | APPARATUS AND METHOD FOR UPDATING MAC TABLE OF LAYER-2 SWITCH IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - A broadband wireless communication system is provided. An apparatus for a Base Station (BS) comprises a controller for determining whether to accept an entry of a mobile terminal (MT) by handover from an adjacent BS, a handler for generating a message to get an L2 switch to update a Media Access Control (MAC) table, and a communicator for transmitting the message to the L2 switch. | 2009-03-05 |
20090059877 | WIRELESS COMMUNICATION DEVICE AND METHOD FOR CONTROLLING WIRELESS COMMUNICATION DEVICE - A wireless communication device includes: a determination unit that determines a selected first and second numbers based on relationship information; a calculation unit that calculates the number of frames transmittable through the first channel within a time period as a first frame number based on the selected first number, and the number of frames transmittable through the second channel within the time period as a second frame number based on the selected second number; a selection unit that selects smaller one of the first and second frame numbers; an aggregation unit that aggregates frames for the selected frame number to generate a single aggregation frame; and a transmission unit that transmits the aggregation frame through one of the first channels or the second channel for which a transmission permission is acquired based on a channel status of the first and the second channels. | 2009-03-05 |
20090059878 | WIRELESS LAN ACCESS POINT - A wireless LAN (Local Area Network) access point includes: a housing; and a plurality of sub-access points provided in the housing. The plurality of sub-access points being operable independently of one another. | 2009-03-05 |
20090059879 | Wireless communication system for communicating via wireless LAN - Provided is a wireless communication system, comprising: a base station providing communication by a plurality of communication methods; and a mobile node for communicating with the base station by the plurality of communication methods. The mobile node calculates a first distance between a wireless LAN access point and the mobile node; and judges whether the communication by the wireless LAN is possible by comparing the calculated first distance and a second distance that is a distance within which communication by a wireless LAN is available. | 2009-03-05 |
20090059880 | WIRELESS COMMUNICATIONS SYSTEM, WIRELESS COMMUNICATIONS APPARATUS, WIRELESS COMMUNICATIONS METHOD AND COMPUTER PROGRAM FOR WIRELESS COMMUNICATION - In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals. | 2009-03-05 |
20090059881 | WIRELESS NETWORK SELF-ADAPTIVE LOAD BALANCER - A load balancer is provided for balancing distribution of wireless clients among wireless access points. The load balancer includes a tracking implementation for tracking at least one telemetry parameter of each wireless client's wireless link with each respective wireless access point. A goal implementation is included for comparing one or more telemetry parameter against at least one predetermined goal to obtain a fitness measure. A control implementation is also provided for varying the operation of at least one of the respective wireless access points and wireless clients in response to the fitness measure, so as to balance the distribution of load among the respective wireless access points. | 2009-03-05 |
20090059882 | Multi-carrier spread spectrum device using cyclic shift orthogonal keying, transmitter, receiver, and communication system thereof - A multi-carrier spread spectrum device using cyclic shift orthogonal keying includes: a modulation unit for receiving a first part of data bits and transforming the first part of data bits to a modulation symbol d | 2009-03-05 |
20090059883 | RADIO BASE STATION AND METHOD OF RECEIVING PHYSICAL CONTROL CHANNEL - Provided are a radio base station and a method of receiving a physical control channel which are capable of achieving enhanced data-transmission efficiency of an uplink physical channel when a code division multiple access scheme is used. The radio base station includes: a correlation unit configured to determine a degree of correlation between a code word transmitted from the mobile device through a physical control channel and each replica of the code word, and to then select the replica having a higher degree of correlation than a predetermined degree; an identification unit configured to identify a control information piece contained in the selected replica; and a code-word replica generator configured to reduce the number of the replicas when the control information piece is identified. | 2009-03-05 |
20090059884 | Transmission methods for downlink ACK/NACK channels - A method from transmitting data via multiple antennas. In this method, four information bits to be transmitted are multiplexed by using either one of a code division multiplexing scheme or a second code division multiplexing scheme combined with a real and imaginary multiplexing scheme, to generate a code division multiplexed symbol including four vectors. Then, the code division multiplexed symbol is repeatedly transmitted by alternatively applying two transmit diversity schemes via four transmission antennas. | 2009-03-05 |
20090059885 | ADAPTIVE TIME-DOMAIN INTERPOLATION FOR OFDM SCATTERED PILOT SYMBOLS - A receiver for use in a pilot-aided OFDM system and a method of performing channel length estimation of a channel in a wireless communication system includes using transmitted and received wireless signals to estimate a channel carrier function vector at continuous and scattered pilot positions of consecutive OFDM symbols; performing time-domain interpolation by (i) upsampling the estimated the channel carrier function vectors at the scattered pilot positions by inserting zeros in between estimated scattered pilot positions, and (ii) filtering the upsampled vectors using a finite impulse response filter comprising a filter bank comprising a plurality of filters; mapping the channel carrier function vector to only one of the filters in the filter bank located in the finite impulse response filter, wherein the mapping causes noise reduction and enhanced channel estimation thereby increasing a maximum Doppler frequency in the channel. | 2009-03-05 |
20090059886 | APPARATUS FOR A BEACON-ENABLED WIRELESS NETWORK, TRANSMISSION TIME DETERMINATION METHOD, AND TANGIBLE MACHINE-READABLE MEDIUM THEREOF - An apparatus for a beacon-enabled wireless network, a transmission time determination method, and a tangible machine-readable medium thereof are provided. The apparatus is located within the coverage area of the first equipment. The second equipment is located within the coverage area of the apparatus. The apparatus comprises a receive/transmission module and a decision module. The receive/transmission module is configured to receive the beacon of the first equipment. The decision module is configured to decide information of an upload time slot and a download time slot of the apparatus according to the beacon so that the receive/transmission module can perform data transmission with the first equipment by the upload time slot and perform data transmission with the second equipment by the download time slot. According to the aforementioned allocations, transmission collisions can be avoided and delay of transmission times is decreased. | 2009-03-05 |
20090059887 | SYSTEM AND METHOD FOR SCHEDULING AND TRANSFERRING DATA THROUGH A TRANSMISSION SYSTEM - A system and method for dynamically dividing the capacity of a fixed time division multiplexing (TDM) frame between physical channels for data transmission. According to various embodiments, a time frequency frame is divided into a plurality of subframes, and each of the plurality of subframes are divided into a plurality of corresponding slots. The plurality of slots are then selectively time shifted such that a defined time shift exists between corresponding slots in each subframe within the time frequency frame. For any slots or slot portions which have been selectively shifted beyond the end of the time frequency frame, such slots or slot portions are cyclically shifted to the beginning of the frame. Service data is then written into the slots of the time frequency frame, and the frame containing the service data can then be transmitted. Initialization and service access processes for a receiver are also provided. | 2009-03-05 |
20090059888 | APPARATUS, SYSTEM, AND METHOD FOR IMPLEMENTING FAILOVER IN A POLLING ADAPTER WITHOUT SUPPORT FROM AN APPLICATION SERVER - An apparatus, system, and method are disclosed for implementing failover in a polling adapter without support from an application server. A priority list is stored as part of an adapter configuration that specifies the server names that will participate in a group cluster. Adapters associated with the servers, in addition to accessing the event table when active, access a failover table which contains information about which adapter is currently active and when it last polled the event table. When a preconfigured failover interval has elapsed since the last poll of the event table by the active adapter, a next highest priority takes over the processing duties by polling the event table and logging its last poll time in the failover table. | 2009-03-05 |
20090059889 | rtPS CLASS OF IEEE 802.16/WiBro SYSTEM - Provided is a real-time polling service (rtPS) class of an IEEE 802.16/WiBro system. An rtPS scheduling method of the IEEE 802.16/WiBro system includes subscriber station (SS) located in a network where the IEEE 802.16/WiBro system is realized inserting a timestamp indicating time information when uplink data is transmitted from an application layer of the SS into the uplink data; and after the SS receives polling from a base station (BS), comparing the timestamp inserted into the uplink data and a current time, and, if a difference between the timestamp and the current time is greater than a predetermined period of time, firstly dropping the uplink data. | 2009-03-05 |