24th week of 2009 patent applcation highlights part 29 |
Patent application number | Title | Published |
20090147675 | RING SWITCHOVER METHOD - A fast ring switchover is enabled in packet level processing at the time of ring configuration, and as a result, a system switchover function can be implemented in an Ethernet switch or the like by a ring switchover method in a network constituted of layer 2 switches connected in a ring shape, each layer 2 switch having a path control function and a failure detection function. The ring switchover method includes the steps of providing in each layer 2 switch an address learning table in which a Media Access Control (MAC) address and a corresponding port are stored; on detection of a link failure between mutually neighboring layer 2 switches, transmitting a failure notification frame packet from each neighboring layer 2 switch; and in the layer 2 switch having received the failure notification frame, recording a Media Access Control (MAC) address of said layer 2 switch into the failure notification frame, and transferring the failure notification frame to a neighboring layer 2 switch. | 2009-06-11 |
20090147676 | Communication system, communication terminal, relay node, communication method used therein, and program thereof - In a terminal ( | 2009-06-11 |
20090147677 | SYSTEM, METHOD, AND APPARATUS FOR LOAD-BALANCING TO A PLURALITY OF PORTS - A system, method, and apparatus for load balancing to a plurality of ports is presented herein. A miniport driver is adapted to multiplex and demultiplex traffic workload across the ports. The miniport driver classifies outgoing packet streams and distributes each packet stream to a communication ring, such as an Ethernet ring, for example, associated with at least one of the ports. Additionally, the miniport driver can be configured to configure a operation of the plurality of ports in one of several modes, including a mode wherein the plurality of ports are operable and act as a single logical interface for the operation. | 2009-06-11 |
20090147678 | SYSTEMS AND METHODS FOR TRAFFIC FLOW BASED RATE ADAPTATION IN PACKET-BASED NETWORKS - Embodiments provide systems and methods for traffic flow based rate adaptation in packet-based networks. In some embodiments, a communications system comprises at least one receiver and a transmitter able to control transmission to the at least one receiver of a packet among a plurality of traffic flows, each traffic flow having its own transmission rate adaptation mechanism. In other embodiments, a communications method comprises determining, by a transmitter able to control transmission of a packet among a plurality of traffic flows each having its own transmission rate adaptation mechanism, a parameter value, and, depending upon the parameter value, adapting the transmission rate of at least one traffic flow. In further embodiments, a communications device comprises a transmitter able to control transmission of a packet among a plurality of traffic flows, each traffic flow having its own transmission rate adaptation mechanism. | 2009-06-11 |
20090147679 | NETWORK DEVICE AND METHOD FOR OPERATING NETWORK DEVICE - A network device including at least one rate-limited-queue and multiple timer modules, the network device being operable to receive and/or transmit data flows from and/or to a communication network. Each data flow includes multiple data packets. The network device being further operable to limit the predetermined transmission rate of the respective data flow dependent on whether a data congestion in the communication network has been indicated, in such a way, that in case of an indicated congested communication network a respective timer module is associated to each of the data flows and/or each group of data flows, whereas the data packets of the respective data flows and/or group of data flows are buffered in the rate-limited-queue. Each data packet in the rate-limited-queue is transmitted with a limited transmission rate predetermined by the respectively associated timer module when the data packet is at the head of the rate-limited-queue. | 2009-06-11 |
20090147680 | METHOD OF FLOW CONTROL FOR IUB-INTERFACE, APPARATUS AND BASE STATION - A method of flow control for an IUB-interface, an apparatus, and a base station are disclosed. The method includes the following steps: a frame loss rate of a service is acquired according to the number of lost frames in a predetermined period. A congestion condition at the IUB-interface is determined according to the frame loss rate. A total bandwidth allocated to users' IUB-interface is adjusted according to a bandwidth reservation margin. It is determined whether congestion occurs at the IUB-interface or not by calculating the frame loss rate in the predetermined period, and a maximum available bandwidth for the users' IUB-interface is adjusted in real time according to the congestion condition. Therefore, congestion can be controlled effectively and the bandwidth of the IUB-interface can be used sufficiently. | 2009-06-11 |
20090147681 | METHOD AND APPARATUS OF DOWNSTREAM SERVICE FLOW CONTROL IN HFC NETWORKS - A method and apparatus of controlling a downstream service flow is provided. A method of controlling a downstream service flow, the method including: receiving a control request with respect to a service flow; generating classifier information for identifying a Quality of Service (QoS) classification standard of the service flow for which a generation request is performed, and registering the generated classifier information in a table when the control request is the generation request for the service flow; registering a pattern mask corresponding to the classifier information in the table; and composing the table for searching for downstream service flow information of a downstream input packet using the classifier information and the pattern mask. | 2009-06-11 |
20090147682 | Bandwidth Managing Router and System - A system for managing network and internet access provides a combined router and bandwidth management unit (BMU) in communication with a client server. The client server contains account information for clients and automatically communicates with the BMU to transmit changes in access setting based on changes to the clients account status. | 2009-06-11 |
20090147683 | FLOW BASED DATA PACKET PROCESSING - Flow based data packet processing is disclosed. In one embodiment, a method for processing a data packet in a flow comprises identifying a flow Identification (ID) of the data packet, where the flow ID is based on one or more portions of control information for the data packet. The method also comprises accessing an address pointer stored in a shared memory designated for the flow ID. The method further comprises performing a set of instructions stored in an address in a cache memory which is assigned by the address pointer, wherein the set of instructions is loaded to the address in the cache memory upon identifying of the flow ID if the flow is currently active. Additionally, the method comprises generating report data associated with the flow by executing the set of instructions. | 2009-06-11 |
20090147684 | Dynamic, integrated, multi-service network cross-layer optimization - The integrated network optimization as a comprehensive framework for a multi-variable optimization across all seven layers of the OSI model, of the network resources and their allocations to optimally enable services to the end-users based on their service level agreements (SLAs), in particular but not limited to wireless networks. | 2009-06-11 |
20090147685 | Controlling congestion in a packet switched data network - A method of controlling congestion in a packet switched network includes transmitting a pause message to a node upstream of a congested node to instruct it to cease sending for a period of time. The congested node also sends information to the upstream node informing it of the buffer size required to relieve congestion. If the buffer capacity of the upstream node is greater than or equal to the signalled amount required, no further action is taken. If the buffer capacity of the upstream node is less that the required amount, it in turn sends a pause message to a node upstream of it, together with an indication of the required buffer size to reduce congestion, taking into account the amount available from the sending nodes. | 2009-06-11 |
20090147686 | MEDIA GATEWAY AND STATISTIC REPORTING METHOD - The present invention relates to the communication field, and discloses an MG and a statistic reporting method thereof. The statistic reporting method includes: judging whether the current statistic parameter value meets the reporting condition when the statistic parameter value changes; if the value meets the reporting condition, reporting the current statistic parameter value and/or the corresponding event to the MGC, thus meeting different statistic and monitoring requirements more flexibly and efficiently. The MGC sends an event parameter to the MG beforehand, and transfers the reporting condition through the event parameter or its sub-parameter; or the MG presets the reporting condition. The reporting condition may be: (i) to report the statistic parameter value when the value deviates from the preset target value and/or resumes the preset target value; (ii) to report the statistic parameter value when the value overruns the preset target value; (iii) to report the statistic parameter value when the value enters and/or leaves the preset target value interval; or (iv) any combination thereof. | 2009-06-11 |
20090147687 | Change Collision Calculation System And Method - A method of performing a change collision calculation and corresponding system are described. The method comprises: determining a collision information change based on receipt of a change request. For each determined collision information change, the method comprises determining a cause of a collision based on the collision information and the change request, and determining a severity of the collision. The method also comprises ordering the collision information based on the severity, and storing the ordered collision information to a memory. | 2009-06-11 |
20090147688 | RADIO COMMUNICATION TERMINAL DEVICE, RADIO COMMUNICATION BASE STATION DEVICE, AND RADIO COMMUNICATION METHOD - It is possible to provide a radio communication terminal device, a radio communication base station device, and a radio communication method capable of improving the resource use efficiency and the throughput in synchronous random access. A resource control unit ( | 2009-06-11 |
20090147689 | Method, network apparatus and computer readable medium thereof for detecting the defect of the network - Method, network apparatus and computer readable medium thereof for detecting the defect of the network are provided. The network apparatus comprises a controlling module and a relaying module. The controlling module comprises a generating module for generating a plurality of sub-detecting packets; and a first combining module for combining the plurality of sub-detecting module into a detecting packet; the relaying module is for receiving the detecting packet from the controlling module, the relaying module comprises a decomposing module for decomposing the detecting packet into the plurality of sub-detecting packets and transfer the sub-detecting packets to a target host; and a second combining module for receiving a plurality sub-result packets from the target host which are corresponding to the sub-detecting packets, combining the sub-result packets into a result packet and transferring the result packet to the controlling module to complete the detection. | 2009-06-11 |
20090147690 | APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR PROVIDING AUTOMATED BACKUP TO TDM NETWORK CONNECTIONS OVER AN IP NETWORK - An automated telecommunications backup system includes a first system operable to monitor a primary time division multiplexing (TDM) link on a TDM network for a failure condition and a second system operable to back up at least a portion of the telecommunications traffic of the TDM link over a backup network. The backup network may be a packet based network, an Internet protocol (IP) based network, a satellite based network, or an IP based system over a satellite network. The first system may continuously monitor the primary TDM link and switch the functionality thereof into circuit with the TDM link upon the detection of the failure condition. The second system may compress the telecommunications traffic of the TDM link to transmit a pre-designated number of time slots thereof. | 2009-06-11 |
20090147691 | RELAY DEVICE, COMPUTER READABLE MEDIUM STORING TEST PROGRAM AND A METHOD FOR TESTING RELAY DEVICE - A relay device for relaying transfer data to be transmitted between the devices has a plurality of testers. Each of the testers determines whether received transfer data is normal or not, and discards the transfer data that is determined abnormal. The relay device also has a counter that counts a number of transfer data discarded by each of the testers respectively, and a determiner that determines whether an operation of each tester is normal or not based on the number of discarded transfer data counted by the counter. | 2009-06-11 |
20090147692 | COLLECTING NETWORK PERFORMANCE DATA FROM MULTIPLE AUTONOMOUS SYSTEMS - A computer apparatus comprises first Border Gateway Protocol (BGP) logic comprising BGP route table data; a network interface to communicatively couple to a first autonomous system; data collection logic in computer-readable storage media when executed operable to perform discovering an address prefix of a data collector that is communicatively coupled to second BGP logic of a router within a second autonomous system that is coupled to the first autonomous system, wherein the second autonomous system is independent of the first autonomous system; determining a path through the first autonomous system, the one or more networks or intemetworks, and the second autonomous system to the data collector based on the BGP route table; requesting the data collector to provide one or more data values relating to performance of network elements of the second autonomous system; receiving and storing the one or more data values. | 2009-06-11 |
20090147693 | METHOD AND APPARATUS FOR MONITORING OTHER CHANNEL INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for monitoring other channel interference in wireless communication system are described. An OSI Monitor Set (OSIMonitorSet) is updated at the beginning of every superframe of a reverse link (RL) serving sector. A list of Pilot PN's (PilotPN's) of the sectors whose pilot strength (PilotStrenth) is larger than or equal to an other sector interference Monitor Threshold (OSIMonitorThreshold) in an OSIMonitorSet is provided, wherein the PilotPN and the PilotStrength are fields in an Overhead Parameter List (OverheadParameterList) of an Overhead Message Protocol and the OSIMonitorThreshold is a configuration attribute of the Overhead Message Protocol. The PilotPN of the reverse link Serving Sector (RLServingSector) are excluded. It is determined if the size of the list OSI Monitor Set Size (OSIMonitorSetSize) is larger than or equal to N | 2009-06-11 |
20090147694 | METHOD AND APPARATUS FOR SETTING REVERSE LINK CQI REPORTING MODES IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for setting Reverse Link CQI Reporting Modes in an access terminal is provided, comprising determining a value for CQIReportingMode and setting reporting modes of the access terminal based on CQIReportingMode value. | 2009-06-11 |
20090147695 | SUB-SYMBOL RATE CABLE TESTER - Aspects of the present disclosure provide for a cable tester that tests a cable to determine the cable length. The cable tester can include a clock generator that generates a clock that has clock period that is a multiple of the data symbol period and a signal generator that injects the training signal, which can be synchronous with the clock, into the cable. The cable tester can also include a receiver that samples the returned signal from the cable and adaptively filters the returned signal based on the training signal and a controller that determines the cable length from the adaptive filter tap coefficients. | 2009-06-11 |
20090147696 | APPARATUS AND CONTROL METHOD FOR ENERGY-AWARE HOME GATEWAY BASED ON NETWORK - An energy-aware home gateway based on a network protocol includes a network matching module for performing a physical network interface function on a home and an external network; a processor module for performing an operation and a control function of a system in a active state in which service traffic exists; a memory module used as a system memory of the processor module; and a service function module controlled by the processor module and performing a service function depending on a use state. The home gateway further includes a network protocol agent module for processing control traffic in an idle state in which no service traffic exists; and a power supply module for supplying power to the overall system in the normal active state and for supplying power to the network matching module, the memory module, and the network protocol agent module in the idle state. | 2009-06-11 |
20090147697 | ASSOCIATING A WIRELESS COMPUTING DEVICE WITH A DIFFERENT ACCESS POINT - In a network comprising a wireless computing device and a wireless switch coupled to a plurality of access points, techniques are provided for determining a particular one of access points that the wireless computing device is to be associated with and associating the wireless computing device therewith. According to one implementation, the wireless switch monitors one or more wireless communication performance metrics, and determines based on the wireless communication performance metrics, whether the wireless computing device is currently associated with the one of the access points that wireless computing device is to be associated with. If not, then the wireless switch transmits an instruction to the wireless computing device to associate with a particular access point that wireless computing device is to be associated with. | 2009-06-11 |
20090147698 | NETWORK AUTOMATIC DISCOVERY METHOD AND SYSTEM - An automatic network discovery method and device enables network peer nodes to discover one another. A node entering a network has the burden of initiating a connection to peers potentially existing on the network. The incoming node and potential peer nodes each keep a persistent list of at least one potential peer node called a seed list, which is used at startup or restart to initially populate a peer list also kept by each node. The incoming node sends a connection request to the potential peers in its peer list. Through the connection requests and responses to the requests from the potential peer nodes, nodes exchange connection information regarding one another and other potential peer nodes on the network, which is stored in their respective peer lists. | 2009-06-11 |
20090147699 | METHOD OF SUPPORTING NODE PORTABILITY IN SENSOR NETWORK - Provided is a method of supporting node portability in a sensor network, wherein data transmission to a portable node can be guaranteed since even when the portable node is assigned with a different address by being associated with another network, the newly assigned address is transmitted to a parent node or a sink node that was previously associated with the portable node. | 2009-06-11 |
20090147700 | CONFIGURING A WIRELESS ROUTER - A method for configuring a wireless router includes electronically reading information that is unique to the wireless router. A code is automatically generated from the information. The generated code is automatically set as one or more of a network name and a device password for the wireless router. | 2009-06-11 |
20090147701 | METHOD OF CONFIGURING A NETWORK INFRASTRUCTURE - A method of configuring a device forming part of a network infrastructure. The method has the steps of storing outside the network application- and user-specific configuration data for each device, and inputting to the device the respective configuration data. The data can be stored on, for example, a flash drive and transferred to the network device, e.g. a router, switch, or terminal, before or after it is actually put in place and connected into the network. | 2009-06-11 |
20090147702 | Method and Apparatus for Forming and Configuring a Dynamic Network of Mobile Network Nodes - The invention includes methods for forming, configuring, and managing a dynamic wireless network. A dynamic wireless network may be formed from at least one wireless node. The dynamic wireless network uses a Role Assignment Protocol (RAP) adapted for assigning one or more roles to each of the at least one wireless node. The dynamic wireless network uses a Network Configuration Protocol (NCP) adapted for configuring each of the at least one node at least according to the assigned role(s). A dynamic wireless network may be modified in response to one or more conditions, such as a wireless node joining the dynamic wireless network, a wireless node leaving the dynamic wireless network, wireless nodes moving within the dynamic wireless network, and the like. A dynamic wireless network may be split into multiple dynamic wireless networks and, similarly, multiple dynamic wireless networks may merge to form one dynamic wireless network. | 2009-06-11 |
20090147703 | Method for Efficiently Retrieving Topology-Specific Data for Point-to-Point Networks - Network topology codes are computed and used as keys to retrieve topology-specific information for isomorphic networks. | 2009-06-11 |
20090147704 | Method for ringcasting with improved reliability - A method of ringcasting with improved reliability, in which a participant who is the source of content saves the signal in which the content is found, and compares received signals with the signal in which the content is found to ensure that the content has made it completely around the ring. If any particular piece of the content does not complete the ring, the content is re-transmitted from the participant around the ring. Sequence indices within the signal informs each participant of the sequence in which any particular piece of content is to be received so that, even if any particular piece of content is received out of order, it will be replaced in its proper sequence by a recipient. | 2009-06-11 |
20090147705 | METHOD FOR DETERMINING AT LEAST ONE USER TERMINAL FOR A TELECOMMUNICATION CONFERENCE SESSION, TELECOMMUNICATION CONFERENCE ARRANGEMENT AND TELECOMMUNICATION CONFERENCE SESSION SERVER - In a method for determining at least one user terminal for a telecommunication conference session with a multiplicity of telecommunication conference session user terminals, wherein a predefined telecommunication conference session participation condition is allocated to the at least one telecommunication conference session user terminal, the predefined telecommunication conference session participation condition may be checked by involving two telecommunication conference session servers. A first telecommunication conference session server receives an enquiry for determining at least one user terminal for a telecommunication conference session and a second telecommunication conference session server determines condition-related information for determining the user terminal which meets the telecommunication conference session participation condition. | 2009-06-11 |
20090147706 | Frame structures, method and apparatus for resource allocation in wireless communications system based on full duplex replay - Frame structures, a method and an apparatus for resource allocation in a wireless communication system based on a full duplex relay are provided. The method for a centralized resource allocation in the wireless communication system based on the full duplex relay includes receiving channel information from a plurality of mobile stations (MSs) and relay stations (RSs); scheduling radio resources for a link between a base station (BS) and the MS and a link between the BS and the RS using the channel quality; constituting a first radio resource region for the link between the BS and the RS and a second radio resource region for the link between the BS and the MS; and scheduling radio resource for a link between the RS and the MS by reusing the first radio resource region. The relay link resource is reused in the full-duplex relay structure, and the system capacity can be raised by minimizing the interference in the resource utilization. | 2009-06-11 |
20090147707 | DEMULTIPLEXER AND COMMUNICATION DEVICE - Provided is a demultiplexer capable of improving attenuation characteristic and isolation characteristic of a filter having a lower transmission frequency band among two filters having different transmission frequency bands, outside the transmission frequency band of a high-frequency side. A communication device using the demultiplexer is also disclosed. A first spiral wiring portion ( | 2009-06-11 |
20090147708 | TIME SHARED BI-DIRECTIONAL SERIAL SIGNALING SYSTEM - A time shared bi-directional serial signaling system providing a differential signal with apparent duplex signal operation for higher and lower bandwidth data signals in a forward direction and another lower bandwidth data signal in a return direction. | 2009-06-11 |
20090147709 | RECEIVER CHANNEL FEEDBACK THROUGH BEACONS - According to various embodiments a receiver may include information elements in its beacon. The information elements can then be used to send feedback information about packets received during the previous superframe(s). This feedback information may contain some acknowledgement information. For example, the feedback information may include information elements that include acknowledgement information that acknowledge the reception of previously transmitted packets. According to an embodiment of the invention, systems and methods to provide feedback information comprising receiving a packet; determining feedback information based on the received packet; and transmitting a beacon. The beacon comprises a frame header, including routing information for the frame; a beacon parameter, including signaling information; and an information element comprising the feedback information for the received packets. | 2009-06-11 |
20090147710 | Gateway apparatus for providing multi-channel functionality in sensor network, and method and apparatus for interfacing using serial peripheral interface in the gateway apparatus - Provided are a gateway apparatus for providing multi-channel functionality in a sensor network, and a method and an apparatus for interfacing using serial peripheral interface (SPI) in the gateway apparatus. The SPI interfacing apparatus is connected to a plurality of wireless transmit/receive units, and receives a data frame via an SPI to output the data frame to a wireless transmit/receive unit, based on information regarding selection of the wireless transmit/receive unit, wherein the information is contained in the data frame. Then, the SPI interfacing unit receives data frames from the wireless transmit/receive units to output the data frames in a predetermined order via an SPI. Thus, the wireless transmit/receive units for providing multi-channel functionality can interface a signal processing unit by using an SPI method. | 2009-06-11 |
20090147711 | Dedicated device for automatically accessing wireless internet network and supplying wireless packet data-based indoor-capable GPS locations - A dedicated device and method for connecting between a packet-data-capable wireless modem and a high sensitivity indoor-capable Global Positioning System (GPS) receiver, and is able to access a commercially available cellular or PCS band wireless Internet network for supplying indoor and outdoor GPS locations to a designated remote Internet server, in an independent, periodic, and automatic manner. Implemented with TCP/IP UDP PPP protocol stacks, the device automatically accesses and retries for always connecting to the wireless Internet network in packet data mode. The device also automatically retrieves the aiding/assisted-GPS (A-GPS) information from either a wireless base station or a specified separate A-GPS server. The device periodically supplies the A-GPS information and receives the indoor-capable GPS locations, to and from the GPS receiver. The indoor-capable GPS locations are packed into Internet User Datagram Protocol (UDP) packet data format and periodically sent to a designated remote server through the wireless Internet network. | 2009-06-11 |
20090147712 | METHOD AND APPARATUS FOR REDUCING POWER CONSUMPTION IN WIRELESS COMMUNICATION SYSTEMS - A method and apparatus for reducing power consumption in a wireless communication system is described. Sending of unicast packets to an access terminal is ceased. It is determined if a ReverseTrafficChannelMAC.UATIReceived indication is received, wherein MAC is medium access control and UATI is unicast access terminal identifier. The access network transitions to a BindUATI state. | 2009-06-11 |
20090147713 | METHOD AND APPARATUS FOR ENTERING AND PROCESSING IN ACCESS STATE IN WIRELESS COMMUNICATION SYSTEMS - A method of entering and processing in Access State, the method comprising, issuing a ControlChannelMAC.Activate command, issuing a SharedSignalingMAC.Activate command, issuing an AccessChannelMAC.Activate command, issuing a ForwardTrafficChannelMAC.Activate command, issuing an OverheadMessages.Activate command, issuing an ActiveChannelMAC.AttemptAccess command, issuing an ActiveSetManagement.SendPilotReport command, setting a state timer for TIDPATSetup seconds, generating a ConnectionOpenRequest message if NumAccessAttempts is ‘0’, determining if the state timer has expired, determining if AccessChannelMAC.AccessFailed indication is received; and determining if AccessChannelMAC.AccessGrantReceived indication is received. | 2009-06-11 |
20090147714 | METHOD AND SYSTEM FOR REDUCING POWER CONSUMPTION IN WIRELESS SENSOR NETWORKS - The present invention provides a method and system for reducing power consumption in a Wireless Sensor Network. The Wireless Sensor Network includes a plurality of nodes forming a tree structure. The nodes send data towards a root node via parent nodes. The nodes adaptively control the wake-up schedules of radio transceivers based on the network level information of the nodes, thereby reducing the active wake-up interval of the radio transceivers and in turn decreasing the overall power consumption of the Wireless Sensor Network. | 2009-06-11 |
20090147715 | ENERGY SAVING METHOD IN WIRELESS NETWORK - Provided is a method of minimizing power consumed by each node in a wireless network when communicating with neighboring nodes. | 2009-06-11 |
20090147716 | Wireless Communication Receiver, System, and Method for Loading Firmware - A wireless communication system comprises a plurality of antennas, a plurality of tuners, a plurality of receiver ends, a bus, and a processor. Each of the tuners is connected to one of the antennas and one of the receiver ends. Each of the receiver ends has a corresponding address. A common address code is assigned to the corresponding addresses of part of receiver ends during firmware loading. The processor transmits the firmware to the part of the receiver ends via the bus based on the common address code. The corresponding addresses of the part of the receiver ends are converted back into unique address codes after the firmware is loaded. | 2009-06-11 |
20090147717 | Multicast Broadcast Single Frequency Network Data Scheduling and Handling - A system is provided for scheduling for a multicast broadcast single frequency network (MBSFN). The system includes a central control configured to promote a plurality of enhanced node Bs (ENBs) transmitting one or more multicast traffic channels (MTCHs). The one or more MTCHs are provided during a variable scheduling period (SP) and include a data portion that contains MBSFN traffic content and a variable scheduling portion that contains scheduling information related to the MBSFN traffic content. | 2009-06-11 |
20090147718 | Method and Apparatus for Reliably Delivering Multicast Data - A method and apparatus are described including mapping a multicast connection to a unicast uniform resource identifier, establishing a state for a multicast-to-unicast conversion, allocating ports, receiving multicast addressed data packets and converting the multicast addressed data packets to unicast addressed data the packets. | 2009-06-11 |
20090147719 | METHOD OF TRANSMITTING DATA TO MULTI DESTINATIONS IN WIRELESS LAN SYSTEM - There is provided a method of transmitting data to multi destinations in a wireless LAN system. In the method, a transmitting device generates a media access control protocol data unit (MPDU) for each of a plurality of destination devices, and the transmitting device generates an aggregated-MDPU (A-MPDU) by sequentially adding the MPDU for each of the destination devices. A physical header is added to the A-MPDU, and then the A-MPDU with the physical head added is transmitted to the plurality of destination devices at the transmitting device. The respective destination device transmits ACK frames, which notify a successful reception, to the transmitting device after receiving a self-destined MPDU from the A-MPDU and verifying the received MPDU. The transmitting device receives the ACK frames transmitted from the respective destination devices in sequence. | 2009-06-11 |
20090147720 | METHODS AND DEVICES FOR SCALABLE RECEPTION IN WIRELESS COMMUNICATION SYSTEMS - Methods and apparatuses for reception of point-to-multipoint (PTM) transmissions in a wireless communication system including a set of receiving devices. The method includes receiving location information respectively associated with each of a plurality of PTM data versions, and retrieving the plurality of PTM data versions using the location information. The method also includes combining the retrieved plurality of PTM data versions to generate a combined PTM data version, and decoding the combined PTM data version. | 2009-06-11 |
20090147721 | BROADCAST/MULTICAST SERVICE METHOD BASED ON USER LOCATION INFORMATION - A method and device for receiving a broadcast/multicast service as discussed. According to an embodiment, the invention provides a method of receiving a broadcast/multicast service by a terminal, the method comprising: receiving a service guide from a network including a broadcast/multicast server, the service guide being used by a user to select specific contents related to a broadcast/multicast service; transmitting information on the contents selected by the user, to the network; transmitting a content request to the network; and receiving contents from the network in response to the content request, wherein the received contents were further selected, among the contents selected by the user, by the broadcast/multicast server that performed an exact location tracking of the terminal to enable location based filtering of services corresponding to the contents selected by the user. | 2009-06-11 |
20090147722 | METHOD AND DEVICE FOR TRANSMITTING A DATA PACKET IN A WIRELESS COMMUNICATION NETWORK USING BANDWIDTH OCCUPANCY COST FACTORS - A method for transmitting a data packet from a source node to a destination node in a wireless communication network as provided enables bandwidth aware path selection. The method includes determining a first link metric using a first bandwidth occupancy cost factor for a first multi-hop path between the source node and the destination node. Next, a second link metric is determined using a second bandwidth occupancy cost factor for a second multi-hop path between the source node and the destination node. It is then determined whether the first multi-hop path or the second multi-hop path is a preferred path based on a comparison of the first link metric and the second link metric. Finally, the data packet is transmitted from the source node to the destination node over the preferred path. | 2009-06-11 |
20090147723 | Method and Device for Data Routing and Bandwidth Reservation in Small Scale Distributed Networks - A data routing and/or bandwidth reservation method for small scale distributed network in which each member has a topological view of the whole network. Route selection is performed at a source member and bandwidth reservation is conducted along the selected route. Upon start up or joining the network each member of the network establishes and maintains a list of information for all other devices in the network, which serves as a topological view of the network. To reduce communication overhead during information collection, a priority based broadcast scheduling is adopted. When a device intends to establish a connection with another device it selects a route based on its own preference and current network topology. The device then reserves bandwidth along the selected route. Bandwidth reservation uses a mutually exclusive bandwidth reservation protocol which guarantees only one application can reserve bandwidth at a time. | 2009-06-11 |
20090147724 | METHOD AND APPRATUS FOR RATE MATCHING WITHIN A COMMUNICATION SYSTEM - A method and apparatus for rate matching is described. During operation of a transmitter, multiple data streams are received and individually interleaved with a permutation of a same length K | 2009-06-11 |
20090147725 | CROSS-LAYER ROUTING METHOD IN WIRELESS SENSOR NETWORK - Provided is a cross-layer routing method in a wireless sensor network including: locating a destination node which is a final destination of data by a source node which generates the data; and determining an optimal relay node among one or more neighboring nodes using their position information for each hop and forwarding the data from the source node to the destination node through the determined relay nodes. Therefore, an effective and stable routing which reduces overheads of additional control messages used for stable data forwarding and reduces collisions in a shared channel by using wireless link layer characteristics can be implemented. | 2009-06-11 |
20090147726 | Method for improving Discontinuous Reception for a Wireless Communication System and Related Communication Device - A method for improving discontinuous reception for a user equipment of a wireless communication system includes separately managing retransmission reception time limits of a plurality of downlink hybrid automatic repeat request (DL HARQ) processes when the discontinuous reception is used in the plurality of DL HARQ processes. | 2009-06-11 |
20090147727 | Method for Improving Discontinuous Reception for a Wireless Communication System and Related Communication Device - A method for improving discontinuous reception for a user equipment of a wireless communication system includes separately managing retransmission detecting timings of a plurality of downlink hybrid automatic repeat request (DL HARQ) processes when the discontinuous reception is used in the plurality of DL HARQ processes. | 2009-06-11 |
20090147728 | Wireless Cooperative Relay Network Transmitting Data using Imperfect CSI - A method, system and network transmit data from a base station, via relay stations, to user stations. Imperfect channel state information (CSI) for downlink channels from the base station and the relay stations to the user stations is acquired. For each candidate transmission strategy of a set of candidate transmission strategies, a corresponding beamforming matrix is determined according the imperfect CSI. For each beamforming matrix, a bound on an expected target benefit function is determined, and a particular one of the bounds is selected. The data are then transmitted from the base station, via the relay stations, to the user stations according to the beamforming matrix associated and the candidate strategy associated with the selected bound. | 2009-06-11 |
20090147729 | METHOD AND APPARATUS FOR PROCESSING OPEN STATE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for processing Open state is provided, the method comprising receiving a Control Channel and a Forward Traffic Channel, requesting a MultipleInputMultipleOutput(MIMO) mode on the Forward Traffic Channel by sending a MIMORequest message, monitoring overhead messages and determining if the access terminal receives a ConnectionClose messages. | 2009-06-11 |
20090147730 | METHOD OF TRANSMITTING AND RECEIVING A REDIRECT MESSAGE IN A WIRELESS COMMUNICATION SYSTEM - An apparatus and method of transmitting a Redirect message in a wireless communication system is described. A Redirect message is generated comprising an 8 bit MessageID field, a 16 bit StayAwayDuration field wherein the StayAwayDuration field indicates the units of second for which an access terminal will not make an access attempt at the sector sending this message, an 8 bit NumChannel field wherein the NumChannel indicates the number of channel records included in the message, an 8 bit RedirectReason field wherein the RedirectReason reflect the redirect reason and a Channel field wherein the Channel field indicates the channel that the access terminal should reacquire. The Redirect message is transmitted over a communication link. | 2009-06-11 |
20090147731 | Enhancement of Path Quality of Service in Multi-Hop Packet Communication Networks - Techniques and systems for enhancing quality of service (QoS) in communication networks, including wired and wireless communication networks. Implementations of described techniques and systems can be used to provide path-based QoS with distributed per-hop scheduling for carrying traffic over a multi-hop packet communication network. | 2009-06-11 |
20090147732 | METHOD FOR ADJUSTING TRANSMISSION SPEED OF WIRELESS NETWORK - A method for adjusting a transmission speed of a wireless network comprises the steps of: setting a transmission mode, wherein the transmission mode is either an idle mode or a traffic mode; setting an environmental case, wherein the environmental case is either an ideal case or a corner case; determining a transmission speed adjusting algorithm according to the transmission mode and environmental case; and determining an updated transmission speed according to the transmission speed adjusting algorithm. | 2009-06-11 |
20090147733 | APPARATUS AND METHOD FOR ALLOCATING PREAMBLE INDEX TO SELF CONFIGURABLE BASE STATION IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for allocating a preamble index to a self configurable base station in a broadband wireless communication system are provided. The apparatus comprises a first selector for selecting a segment IDentifier (ID) to be allocated to a Self Configurable-Base Station (SC-BS) by using a per-segment ID Received Signal Strength Indicator (RSSI) estimated by the SC-BS, a second selector for selecting an ID cell to be allocated to the SC-BS by using geographical location information of surrounding BSs, and a communicator for transmitting a segment ID and the ID cell to the SC-BS. | 2009-06-11 |
20090147734 | COMMUNICATION SYSTEM, AND COMMUNICATION DEVICE - A communication system which can control a data transmission properly and to which a Delayed Block ACK mode is applied, and a communication device constituting the communication system. A radio LAN base station ( | 2009-06-11 |
20090147735 | SYSTEM AND METHOD FOR NON-STANDARD WIRELESS BANDWIDTH COMMUNICATIONS - A wireless communications method and device including a transmitter ( | 2009-06-11 |
20090147736 | UPLINK SCHEDULER ALGORITHM FOR ORTHOGONAL DIVISION MULTIPLE ACCESS SYSTEMS - The present invention provides a method of scheduling uplink transmissions from at least one access terminal to an access network. The method includes estimating, at the access network, at least one signal-to-noise ratio associated with each access terminal and determining, at the access network, a format for the packet based upon the estimated signal-to-noise ratio. The method also includes ranking access terminals and allocating, at the access network, resources to access terminals for transmission based on each access terminal's priority and the determined format of the packet and transmitting, from the access network, information indicative of the resources allocated to each access terminal. | 2009-06-11 |
20090147737 | LATENCY-AWARE ADAPTIVE BANDWIDTH REQUEST MECHANISM FOR REAL-TIME COMMUNICATION IN WIMAX - A method and apparatus for requesting bandwidth in a subscriber station is disclosed. The method dynamically changes the size of the bandwidth request based on the prediction of the number of packets needed to be transmitted. The average delay experienced by packets in a queue is measured, and this information is then used to change the coefficient of a prediction equation. When the experienced average delay is below the agreed upon QoS latency parameter or delay target, the method reduces the size of the bandwidth requests by making the prediction equation more conservative. On the other hand, when the experienced delay is above the agreed upon latency, the algorithm will make the prediction equation more aggressive, increasing the bandwidth requests and reducing the latency for future packets. By modifying the prediction equation based on the measured delay, the method is able to select the optimal point for achieving time delay requirements while preserving air-link resources. | 2009-06-11 |
20090147738 | Method And Arrangement For Coding And Scheduling In Packet Data Communication Systems - The method and arrangement according to the present invention relates to of scheduling and coding in communication systems utilizing automatic repeat request (ARQ) and/or multihop scheduling and forwarding. According to the inventive method the receiving nodes selectively stores received information, also overheard information, as a priori information and feed back information about their respective stored a priori information to a sending node. The sending node forms composite data packets by jointly encoding and scheduling multiple data packets, which composite data packets are transmitted to receiving nodes. Upon receiving a composite data packet the receiving nodes uses their stored a priori information in the process of extracting data for themselves from the composite data packets. | 2009-06-11 |
20090147739 | METHOD AND APPARATUS FOR DECREMENTING ASSIGNMENTS IN WIRELESS COMMUNICATION SYSTEMS - A method and apparatus of decrementing access terminal assignments in a wireless communication system is provided, comprising determining if a MACID other than the MACID of an access terminal with an assignment for a particular interlace is received and decrementing the access terminal assignments according to the MACID, if the MACID other than the MACID of the access terminal with the assignment for the particular interlace is determined. | 2009-06-11 |
20090147740 | HARQ AND BANDWIDTH REQUEST METHOD IN WIRELESS ACCESS SYSTEM - The present invention relates to a resource reallocation and bandwidth request method in a wireless access system. The present invention uses the synchronous HARQ mode together with the asynchronous HARQ mode according to scheduling by the HARQ retransmission burst. Therefore, a resource allocation overhead for a retransmission burst is reduced during the synchronous HARQ mode operation. Also, an uplink transmission delay is reduced, and efficiency of the radio resource is maximized. | 2009-06-11 |
20090147741 | PARALLEL DATA SERVICES AND SPECTRUM SENSING WITH COGNITIVE CHANNEL SWITCHING IN A WIRELESS AREA NETWORK - Data service transmission interruption is minimized by initially setting up a cluster of channels to transmit data services. As the need arises to switch channels due to the detection of an incumbent signal, the data services can be switched with substantially no delay. A group of channels from those available in a wireless network are chosen to form a cluster of channels. Each channel within the cluster is set up to convey data services with channel parameters being stored. A first operating channel is chosen from among the cluster of channels to transmit the data services. While the data services are being transmitted on the first operating channel, out-of-band spectrum sensing occurs on the other channels. Upon predetermined criteria a channel switch occurs. As each channel has already been set up the necessary channel parameters are retrieved from storage and restored without data service interruption. | 2009-06-11 |
20090147742 | INTERLACING WIRELESS COMMUNICATION FRAMES - Mechanisms to interlace multiple legacy frames to enhance radio resource utilization are described. Also described are mechanisms to modify a low-latency frame structure to appear as legacy frames. In one aspect, partially blanked-out legacy frames are interlaced with time offsets so that they complement each other to leave no idle system time. To a legacy user equipment, the interlaced frame appears as normal legacy frames used by multiple legacy cells. In another aspect, the low-latency frame is modified to appear as an interlaced frame. Again to the legacy user equipment, the low-latency frame appears as legacy frames from multiple legacy cells. To the low-latency user equipment, the modified low-latency frame still appear as normal low-latency frame. In this manner, radio resources of the legacy base stations are optimally utilized. Also, low-latency base stations are enabled to provide serves to the legacy user equipments without wasting radio resources. | 2009-06-11 |
20090147743 | SCHEDULING IN A CELLULAR SYSTEM - In a cellular system, transmissions are made in subframes which comprise subelements. The method is used for scheduling first and second channels in a subframe, and comprises:
| 2009-06-11 |
20090147744 | Scalable control channel design for OFDM-based wireless systems - Overhead is kept small by a scalable control channel design suitable for OFDMA-based systems with many resource elements and many active users. For instance, optimization of control information in a wideband OFDMA-based radio system with up to 200 resource elements and multiple spatial layers and up to 1000 active users is possible. In contrast to existing approaches in LTE and WINNER, optimized flexible-length downlink control information is shown, which reduces overhead by a combination of slow and fast control signalling, of broadcast and multicast signalling, as well as of individual and table-based allocation information. | 2009-06-11 |
20090147745 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD AND BASE STATION - A base station | 2009-06-11 |
20090147746 | VIDEO MULTICAST, SUCH AS LAYERED VIDEO MULTICAST FOR EXAMPLE, USING RELAY DEVICES DEFINED BY A CHANNEL QUALITY PARAMETER HIERARCHY - Improved distribution of video information in an infrastructure-based wireless network is provided. A wireless channel condition between the video server node and each of the plurality of receiver nodes is measured (or accepted, or otherwise determined). Each of the plurality of receiver nodes are assigned into one of a first group and a second group using the measured wireless channel conditions, wherein receiver nodes assigned to the first group have, on average (e.g., on average over time), a better measured wireless channel condition than that of receiver nodes assigned to the second group. At least some (e.g., one or more) of the receiver nodes of the first group of nodes are selected to serve as relay nodes. Video information (e.g., N layers) is then transmitted wirelessly from the video server node for reception by each of the receiver nodes assigned to the first group. Each of the selected relay nodes then transmit at least a part (e.g., M≦N layers) of the video information for reception by at least some of the receiver nodes of the second group such that the relay nodes collectively transmit the at least a part of the video information to all of the receiver nodes of the second group. Receiver nodes assigned to the first group receive, decode and render the received video information. Similarly, receiver nodes assigned to the second group, receive, decode and render the received at least a part of the video information. The receiver nodes assigned to the second group may also use the (1) video information transmitted wirelessly by the source node and/or (2) copies of the at least a part of the video information transmitted by other relay nodes (that is, relay nodes not assigned to it), to the extent such information is received. | 2009-06-11 |
20090147747 | APPARATUS FOR SCHEDULING TRANSMISSION OF DATA UNIT IN BASE STATION - The present invention relates to a scheduling apparatus of a base station supporting Automatic Repeat reQuest (ARQ) method. In particular, the present invention discloses scheduling a data unit transmitted to a mobile station from a base station providing ARQ method for correcting an error in wireless data communication and generating a high rate frame. | 2009-06-11 |
20090147748 | TRANSMISSION APPARATUS, RECEPTION APPARATUS, MOBILE COMMUNICATIONS SYSTEM AND TRANSMISSION CONTROL METHOD - A disclosed transmission apparatus comprises a switching portion that switches radio access methods; a frequency domain signal generation portion that allocates a radio resource to a spread chip sequence on which one of a fast Fourier transformation and a series/parallel conversion is performed in accordance with the switched radio accessed method, so as to generate a signal in a frequency domain; and a transmission signal generation portion that performs a fast inverse Fourier transformation on the signal in the frequency domain so as to generate a transmission signal. | 2009-06-11 |
20090147749 | COMBINED FREQUENCY-TIME DOMAIN POWER ADAPTATION FOR CDMA COMMUNICATION SYSTEMS - Practical transmission power adaptation in multicarrier code division multiple access (MC-CDMA) communications is using either a frequency domain technique or a time domain technique or a combined frequency and time domain technique in response to channel variations. With frequency domain power adaptation, the transmission power is allocated over the N′ (1≦N′≦N) strongest subcarriers rather than over all possible N subcarriers, where the strongest subcarriers are understood to exhibit the highest channel gains. A substantially optimal N′ can be chosen so that the average bit error rate (BER) is minimized. In the time domain power adaptation technique, transmission power is adapted so that the desired signal strength at the receiver output is maintained at a fixed level. In the combined time and frequency domain adaptation technique, the transmission power is first allocated over the N′ (1≦N′≦N) strongest subcarriers rather than over all possible N subcarriers and then it is adapted so that the desired signal strength at the receiver output is maintained at a fixed level. | 2009-06-11 |
20090147750 | Handover Process And Information Support for Communication Transfer Between Telecommunication Networks - This invention discloses an automatic and network-transparent “handover convenience information support” method (HOCIS method) for a subscriber (SUBC) of a primary communications process (alias primary telecommunications process alias primary TC process, PTCP) in which an HO takes place—wherein this HO process can comprise arbitrary times prior or after the “actual HO”. | 2009-06-11 |
20090147751 | METHOD OF APPLYING FAST MOBILE IPV6 FOR MOBILE NODES IN MOBILE NETWORKS, MOBILE ROUTER THEREFOR, AND MOBILE NETWORK THEREFOR - Provided are a method of applying fast mobile IPv6 (FMIPv6) to a mobile node in order to prevent loss of packets transmitted during a handover of a mobile router from a first access router to a second access router, and a mobile router and a mobile network therefor. Specifically, the mobile router receives, from the first access router, a message containing a prefix corresponding to the second access router, transmits, to the mobile node, a message containing the prefix and information indicating that the prefix is received from the first access router, transmits, to the first access router, a message for FMIPv6, and transmits, to the mobile node, a message to set a zero lifetime for a prefix corresponding to the first access router. Furthermore, the mobile node transmits a message for FMIPv6 to the first access router when the mobile node receives the message containing the prefix. | 2009-06-11 |
20090147752 | Method, apparatus and system for assigning internet protocol address in communication system based on media independent handover - Provided is a method, apparatus and system for assigning an IP address in a communication system based on a Media Independent Handover (MIH). In the method, information about a neighbor network is obtained through an MIH service. In the event of a handover to a heterogeneous network, one or more New Care of Addresses (NCoAs) are generated using the information about the neighbor network. The generated NCoA is transmitted to a candidate network through the MIH service. A Duplicate Address Detection (DAD) operation is performed on the NCoA. | 2009-06-11 |
20090147753 | MOBILE COMMUNICATION SYSTEM, GATEWAY, CONCENTRATOR, AND HANDOVER CONTROL METHOD - According to this invention, there is provided a method applicable to the system which comprises a plurality of base stations each forming radio zones and storing a mobile terminal, and a gateway being connected to a packet communication network and relaying packet communication between the packet communication network and the mobile terminal. The method comprises buffering packets transmitted by a downlink to the mobile terminal in a packet buffer, requiring retransmission of unarrived packets in handover accompanied by movement among the radio zones, reading the packet required from the mobile terminal to retransmit the packet to the mobile terminal that is a request source, and assigning serial identification numbers to packets at least in a start to an end of the handover. When the identification numbers of the reached packets are discontinuous, the mobile terminal requires retransmission of packets needed to eliminate the discontinuity. | 2009-06-11 |
20090147754 | USER EQUIPMENT, CALL CONTINUITY APPLICATION SERVER, AND NETWORK HANDOVER METHOD - A network handover method applicable to network handover in ringing/ring back tone (RBT) or call hold is provided. According to this method, in ringing/RBT, one party performs a session negotiation with an Other End Point (OEP) via a call continuity application server, and then sends an off-hook signal to the OEP via the call continuity application server after the negotiation succeeds. Further, a call continuity application server and a user equipment (UE) are provided. According to the present disclosure, in ringing/RBT or call hold, even if the network coverage is not good, the UE may also be handed over to another network through call continuity, so as to effectively prevent the UE from dropping a call in ringing/RBT or call hold and thus improve the conversation quality of the user. | 2009-06-11 |
20090147755 | METHOD AND APPARATUS FOR DATA-CENTRIC MULTIPLEXING - An apparatus and method for data centric multiplexing in a wireless communication system with a plurality of channels comprising assigning a first resource to a first of the plurality of channels; assigning a second resource to a second of the plurality of channels wherein the second resource is not the first resource; assigning a third resource to a third of the plurality of channels wherein the third resource is not the first or the second resource; and assigning a fourth resource to a fourth of the plurality of channels by puncturing at least one of the first, second or third resources and skipping the rest of unpunctured first, second or third resources. | 2009-06-11 |
20090147756 | COORDINATING COMMUNICATIONS AMONG WIRELESS PERSONAL AREA NETWORK DEVICES - Embodiments of a multi-radio wireless communication device having two or more radio modules are generally described herein. In some embodiments, an initiating link manager may generate and transmit messages to a responding link manager. The messages may include a desired slot offset value and a desired point in time to perform slot adjustment. The responding link manager may return with a message indicating acceptance or nonacceptance of the desired slot offset value. If the responding link manager accepts the desired slot offset value, the message may also include whether the slot adjustment may be implemented at the desired point in time or incrementally. Other embodiments may be described and claimed. | 2009-06-11 |
20090147757 | BASE STATION DEVICE AND MOBILE STATION DEVICE - There are provided a base station device and a mobile station device for increasing the speed of cell search by introducing identification of TTI timing into the cell search. In the base station device ( | 2009-06-11 |
20090147758 | MOBILE INTERNET DEVICE WITH DETACHABLE WIRELESS MODULE - Mobile computing systems are provided having an ultra-mobile PC and a detachable wireless communications module operable as phone and a short range and long range wireless data link. In one embodiment, the wireless communications module is capable of synchronizing data with the ultra-mobile PC. Another embodiment provides parasitic charging of the wireless communications module from the ultra-mobile PC battery for extended battery life. Another embodiment provides ability to synchronize data to and from the ultra-mobile PC even when it is powered off. Another embodiment provides drag and drop capability between the wireless module screen and the UMPC screen, which may provide application or operating system data transfers. | 2009-06-11 |
20090147759 | METHOD AND APPARATUS FOR SUPPORTING MOBILITY OF NODE USING LAYER 2/LAYER 3 ADDRESSES - Provided is a network-based mobility supporting method for supporting mobility of a node not having a mobility supporting function. The network-based mobility supporting method which is performed by a plurality of agents that connect a plurality of access networks to an Internet protocol core network integrating the plurality of access networks, includes: acquiring address information of a mobile node connected to an access point from the access point; transmitting the address information of the mobile node and layer 3 address information of an agent to a management unit which is located on the Internet protocol core network and manages the plurality of access networks, and registering a location of the mobile node; transmitting the layer 3 address information of the correspondent agent to the mobile node, in order to allow the mobile node to transmit a data packet to the agent; and receiving and transmitting the data packet between the mobile node and a correspondent node in consideration of the address information of the mobile node and information registered in the management unit. Therefore, it is possible to provide high-speed mobility to a mobile node. | 2009-06-11 |
20090147760 | Method and apparatus for routing in wireless sensor network - Provided are a method and apparatus for efficiently performing routing in a wireless sensor network having a tree-hierarchical structure, the method and apparatus reducing the number of hops required for transmitting data. According to the method and apparatus, a node is determined as a proximal node from among nodes within range of a wireless signal of a transmission node, wherein the node is a node having the smallest difference from among differences between each of address values of the nodes within the range and an address value of a target node, and data is directly transmitted from the transmission node to the proximal node. | 2009-06-11 |
20090147761 | WIRELESS COMMUNICATION SYSTEM AND WIRELESS STATION - A station determines the presence/absence of directional beam control in an access point, on the basis of received power measured when data transmitted from the access point are received, and the type of the received data. In accordance with the result of this determination, the station controls transmitting power to transmit data to the access point. | 2009-06-11 |
20090147762 | TRANSMITTER AND DATA TRANSMISSION METHOD - A method and apparatus for data transmission are provided. Data values of a plurality of channels are transformed into a transmission signal. An enhanced shaping filter is provided to shape a binary stream of only single digits and generate a shaped signal. A weighting unit is coupled to the output of the shaping filter, weighting the shaped signal to effectively generate a quality baseband signal. The binary stream is converted from the data values through spreading and scrambling. A scrambling unit, scrambles the binary stream with scrambling codes. A spreading unit spreads the binary stream at a chip rate before sending the binary to the scrambling unit. | 2009-06-11 |
20090147763 | METHOD AND SYSTEM FOR MULTI-RADIO COEXISTENCE AND A COLLABORATIVE INTERFACE - Aspects of a method and system for multi-radio coexistence and a collaborative interface may include exchanging information between a plurality of radio transceivers integrated within a single device to enable coexistence, and coordinating sharing of transmit and receive resources between the plurality of radio transceivers by controlling access to the transmit and receive resources, where any one of the plurality of radio transceivers may be enabled to be selected to control the access based on the exchanged information. Selecting one of the radio transceivers for the controlling of the access band may be based on processing capability or priority of communication. The resources may comprise frequency bands, time slots, and antenna access. The information may be exchanged via a serial bus between the plurality of radio transceivers, where the serial bus may conform to an I2C (I-square-C) multi-master serial bus. Each of the radio transceivers may conform to one or more radio frequency technology. | 2009-06-11 |
20090147764 | Method for encoding data blocks - Prior to transferring to a radio communication system, at least one data block is encoded according to predetermined quality-of-service requirements with the aid of a first code. Subsequently, the data block, encoded by the first code, is further encoded according to the radio transmission properties of a usable radio transmission source with the aid of a second code. | 2009-06-11 |
20090147765 | AIR-TIME FAIR TRANSMISSION REGULATION WITHOUT EXPLICIT TRAFFIC SPECIFICATIONS FOR WIRELESS NETWORKS - A system and method are provided for non-transmission specification fair air-time, NT-AirFair, allocation control by tracking the transmission time ( | 2009-06-11 |
20090147766 | SYSTEM AND METHOD FOR SETTING A DATA RATE IN TDMA COMMUNICATIONS - A mobile ad-hoc network includes a plurality of N mobile nodes and wireless communication links connecting the mobile nodes, which each include a communications device for transmitting and routing data packets wirelessly to other mobile nodes via the wireless communication links in accordance with a time division multiple access (TDMA) data transmission protocol using a TDMA epoch that is divided into a beacon interval, digital voice interval and digital data interval. The mobile nodes monitor channel conditions using the beacon, digital voice and digital data intervals and provide a network conductivity performance as valid receptions occur within mobile nodes. A data rate is calculated and set for other N−1 mobile nodes using monitored channel conditions for the beacon, digital voice and digital data intervals. | 2009-06-11 |
20090147767 | System and method for locating a mobile node in a network - Disclosed is a system and method for locating a mobile node in a network. The system comprises a plurality of beacon nodes, at least a router, a location host, and at least a mobile node. Each beacon node broadcasts at least a beacon signal at a first channel. A mobile node receives a plurality of beacon signals, and sends a corresponding packet's information to the location host at a second channel through a router. According to the packet's information, the location host may compute the location for the mobile node. This system distributes the communication loading to different groups and channels, which may estimate the locations for lots of mobile nodes at the same time, and gives a high communication quality and a good location estimation result. | 2009-06-11 |
20090147768 | Synchronizing wireless local area network access points - In a wireless local area network, a first and second access point in which the RF coverage areas overlap are synchronized by positioning a monitor station within the overlap area. The monitor station receives beacon frames from both access points and records the arrival times. A manager in communication with both access points and the monitor station calculates a retardation interval and issues a control command to the second access point to retard transmission of its beacon frame. The retardation interval is calculated such that the contention-free period of the second access point does not overlap the contention-free period of the first access point. The manager may also issue control commands to the first and second access points to adjust their contention-free periods. | 2009-06-11 |
20090147769 | SYSTEMS AND METHODS FOR SYNCHRONIZING AUDIO SIGNALS OF A COMMUNICATION DEVICE - A method for synchronizing audio signals of a communication device includes determining whether a downlink thread or a uplink thread is running, pausing the downlink thread or the uplink thread, and executing the downlink thread or the uplink thread by directing a scheduler. A system and storage medium with instructions for performance of the system also provided. | 2009-06-11 |
20090147770 | System and Method of Routing Voice Communications Via Peering Networks - A method of routing voice communications is disclosed and includes receiving network event data at a telephone number mapping (ENUM) server of an originating network from a plurality of peering border elements associated with a plurality of peering communication networks. The network event data indicates a health status of each of the peering communication networks. The method also includes determining a network weight related to each of the peering communication networks based on the network event data, wherein each network weight indicates a proportion of calls that are to be routed from the originating network via the related peering communication network. The method further includes dynamically assigning a plurality of preference field values to session initiation protocol (SIP) addresses of the peering border elements within a plurality of naming authority pointer (NAPTR) records, based on the network weights. | 2009-06-11 |
20090147771 | Mobile Communication Device Providing Integrated Access to Telephony and Internet - Provided are devices, methods, communication managers and user interface solutions that enable access to multiple services from a mobile communications device. A mobile communication device that provides telephony services via a PSTN also includes multiple communication channels that exploit packet data transfer via an IP network, for example enabling VoIP, instant messaging and other internet-based communication services to be initiated from a mobile telephone. | 2009-06-11 |
20090147772 | SYSTEMS AND METHODS FOR PROVIDING PRESENCE INFORMATION IN COMMUNICATION - A method for facilitating communication between at least a first user who uses a first device and a second user who uses a second device. The method may include associating possible device states with possible presence states. The possible device states pertain to the first device, and the possible presence states pertain to the first user. The method may also include determining a device state of the first device. The method may also include setting a communication presence state of the first user to be a first presence state if the device state is a first device state and setting the communication presence state of the first user to be a second presence state if the device state is a second device state. The method may also include providing information concerning the communication presence state of the first user to at least the second device. | 2009-06-11 |
20090147773 | Intelligent end user devices for clearinghouse services in an internet telephony system - Clearinghouse services architectures that support the use of end user devices, such as personal computers, Internet Protocol (IP) phones, cable multimedia terminal adapters, and residential gateways, in an Internet telephony system. The innovative architectures include a proxy-based system model, a direct communication model, and a hybrid proxy/direct communication model. A user can operate an “intelligent” end user device. i.e., a device running a client program with knowledge of the architecture particulars, to access a clearinghouse service on an IP network. This enables the user to communicate a telephony call over the IP network and via the combination of a terminating gateway identified by the clearinghouse service and the Public Switched Telephone Network. | 2009-06-11 |
20090147774 | Multimedia interactive telephony services - In a multimedia interactive telephony system, a voice service server generates dynamic content intended for consumption by a communication device. The dynamic content is sent to a gateway where it is transformed from to an intermediate content format appropriate for rendering at the communication device. The user may interact with the transformed dynamic content rendered on the communication device, causing the arguments to be sent to the voice server, thus allowing user interactivity with the voice service. The voice services server may also generate dynamic content for simultaneous consumption by multiple communication devices, each of which may independently render an intermediate content format appropriate to it. The voice services server may also generate the dynamic content for the communication device while the communication device is not currently engaged in an active call. | 2009-06-11 |