01st week of 2009 patent applcation highlights part 33 |
Patent application number | Title | Published |
20090003206 | BANDWIDTH-BASED ADMISSION CONTROL MECHANISM - A device generates a service protection factor (SPF | 2009-01-01 |
20090003207 | Wireless performance improvement via client-free forward error correction - Packets are duplicated, delayed, and spread in time as a form of forward error correction. If a client device receives duplicate packets, they can be discarded. If one of the duplicate packets is lost, then the duplication provides forward error correction with no change to the device that receives the packet. | 2009-01-01 |
20090003208 | METHOD AND APPARATUS FOR MAINTAINING AN ALWAYS-ON DATA SESSION IN A WIRELESS COMMUNICATION NETWORK - Techniques for maintaining an always-on data session for an access terminal are described. Messages to keep alive the data session may be sent using non-traffic channels to avoid bringing up traffic channels just to send these messages. In one design, an access network may send a first message (e.g., a RouteUpdateRequest message) on a first non-traffic channel (e.g., a control channel) to the access terminal. The access terminal may return a second message (e.g., a RouteUpdate message) on a second non-traffic channel (e.g., an access channel) to the access network. The access network may then send a third message (e.g., for an Echo-Request) on the first non-traffic channel over a smaller area covering an approximate location of the access terminal, which may be determined based on the second message. The access terminal may return a fourth message (e.g., for an Echo-Reply) on the second non-traffic channel to the access network. | 2009-01-01 |
20090003209 | FLOW REGULATION SWITCH - A network switch includes a plurality of egress ports configured to send packets of data traffic to at least one receiving network device and a plurality of ingress ports configured to receive the packets of data traffic from at least one sending network device. The switch further includes a switch logic engine configured to define multiple flows of data through the switch from a sending network device to a receiving network device and to route the flows from the ingress port to the egress port, a flow monitor configured to measure at least one flow attribute of the flows, and a flow regulation engine configured to regulate a flow rate of flows sent by a sending network device based at least in part on a measurement by the flow monitor of the at least one flow attribute of the packets. | 2009-01-01 |
20090003210 | SYSTEM AND METHOD FOR MONITORING CONGESTION IN COMMUNICATION SYSTEMS - A system and method for monitoring congestion in a communication system including an external packet switched network. The communication system includes a plurality of interconnected host devices, such as base stations, consoles, zone controllers. To determine the presence of congestion on links between a pair of host devices, a series of sequential packets are transmitted between the pair. The sequentially transmitted packets are then monitor fluctuations in transmission delays and lost packets. These two criteria are used to identify congestion levels present on the various links in the communication system, and communications on the relevant interzone link are controlled based on the identified congestion level. | 2009-01-01 |
20090003211 | Method and System for Efficient Provisioning of Multiple Services for Multiple Failure Restoration in Multi-Layer Mesh Networks - A method and system for efficiently provisioning a multiple service, multiple layer mesh network in a manner enabling restoration from multiple failures. | 2009-01-01 |
20090003212 | DATA SWITCHING FLOW CONTROL WITH VIRTUAL OUTPUT QUEUING - Methods and apparatus for data switching are disclosed. An example method includes receiving a data traffic flow at a data ingress module and buffering the data traffic flow in a virtual output queue included in the data ingress module, where the virtual output queue being associated with a data egress module. The example method also includes communicating the data traffic flow to the data egress module via a fabric egress queue included in a data-switch fabric. The example method further includes monitoring data occupancy in the fabric egress queue and determining, based on the data occupancy, that a change in congestion state in the fabric egress queue has occurred. The example method still further includes, in response to the change in congestion state, communicating a flow control message to the data ingress module and, in response to the flow control message, modifying communication of the data traffic flow. | 2009-01-01 |
20090003213 | Linked network switch configuration - A network device having a plurality of ports including address resolution logic (ARL), a first switch, a second switch, and a CPU. The first and second switches include groups of ports which are a subset of the plurality of ports and are numbered by different numbering schemes, rate control logic for performing rate control functions related to switching data packets between the network ports, and local communications channels for transmitting messages between the groups of ports and the rate control logic. The first switch is configured to generate a rate control message and relay the rate control message to the second switch, and the second switch is configured to generate a second rate control message based on the first rate control message, where the second rate control message is different than the first message. | 2009-01-01 |
20090003214 | LOAD MANAGEMENT IN WIRELESS MESH COMMUNICATIONS NETWORKS - Methods and systems for providing a network and routing protocol for utility services are disclosed. A method includes discovering a utility network. Neighboring nodes are discovered and the node listens for advertised routes for networks from the neighbors. The node is then registered with one or more utility networks, receiving a unique address for each network registration. Each upstream node can independently make forwarding decisions on both upstream and downstream packets, i.e., choose the next hop according to the best information available to it. The node can sense transient link problems, outage problems and traffic characteristics. Information is used to find the best route out of and within each network. Each network node maintains multi-egress, multi-ingress network routing options both for itself and the node(s) associated with it. The node is capable of several route maintenance functions utilizing the basic routing protocol and algorithms. | 2009-01-01 |
20090003215 | Method and system for unified overload and overflow control to support VoIP and multiple QOS flow traffic in communication network - In a method and system for controlling base station processing unit overload and buffer overflow in a unified manner, one or more processing units of the base station are monitored to determine if the processing unit(s) has entered an overload condition. If so, on a per flow basis, the system generates an advertise window for controlling the amount of data in the data flow, as transmitted to the processing unit from an upstream entity. The advertise window is generated taking into consideration both processor overload and buffer overflow factors. By incorporating these factors, the advertise windows collectively serve to limit both processor overload and buffer overflow, on a system wide basis. | 2009-01-01 |
20090003216 | Multipath Forwarding Algorithms Using Network Coding - A method of transmitting data across a wireless mesh network is described which uses network coding at each of the intermediate nodes between the source node and the destination node. Each intermediate node also controls the rate at which it broadcasts packets based on link congestion and the backlog of packets at each of the possible next-hop nodes for the data flow. | 2009-01-01 |
20090003217 | Network Optimisation System - A network optimisation system including a neural network module ( | 2009-01-01 |
20090003218 | WIRELESS COMMUNICATION SYSTEM PERFORMANCE UPDATES USING AUTOMATED DATABASE MANAGEMENT - A disclosed method of managing a wireless communication database that is used to control at least a selected portion of a wireless communication system includes determining when a service measurement indicates a desired change in the wireless communication system performance. Any new parameters for implementing the desired change are automatically determined. Any corresponding changes to the database are then automatically made. | 2009-01-01 |
20090003219 | Monitoring Performance Metrics Associated With a Wireless Network - An access point device operating within a wireless local area network (WLAN) includes a network interface operable to facilitate communication with a network operator over an IP network. The network operator is located outside of a range of the WLAN. The access point device also includes a wireless network interface operable to facilitate communication between the access point device and a user device. The access point device further includes a processor operable to gather a first performance metric associated with the access point device and receive a second performance metric gathered by the user device in response to an instruction from the access point device to gather the second performance metric. The processor may facilitate transmission of the first and second performance metrics over the IP network to the network operator. | 2009-01-01 |
20090003220 | Method for Securing Data and Device for Implementing the Same - A method and system to ensure the integrity of data in a data-processing device, a data packet is read from a memory and checked to determine whether the data packet is an existing code word of a predefined first code, and if the data packet is an existing code word, the data packet is accepted as intact, and if the data packet is not an existing code word, at least one data block of an error-correcting second code that overlaps with the read data packet is ascertained, and an error is searched for in the data packet using the second code, and the data packet is corrected on the basis of the result of the search, and the corrected data packet is accepted as intact. | 2009-01-01 |
20090003221 | Method and System for Testing a Connection - According to embodiments of the present invention an apparatus suitable for testing a connection defined between a customer entity and a network entity, the connection traversing at least a first portion of a packet-enabled network between said apparatus and the network entity is provided. The apparatus comprises a first interface adapted to exchange with the network entity data associated with the connection over a first traffic VLAN and a second interface adapted to exchange with the customer entity data associated with the connection over a second traffic VLAN bridged to the first traffic VLAN by a bridging entity. The apparatus further comprises a third interface adapted to exchange with a management entity data associated with a management connection over a management VLAN. A control module coupled to the first, second and third interfaces, the control module is provided and the control module is operable to respond to an instruction received from the management entity to cause the switching entity to perform selective bridging of the management VLAN to at least one of the first traffic VLAN and the second traffic VLAN. | 2009-01-01 |
20090003222 | PACKET COMMUNICATION QUALITY MEASURING APPARATUS, PROGRAM, AND METHOD - A packet communication quality measuring apparatus for capturing packets flowing in a packet communication network while recording capture times to measure communication quality based on the captured packets includes a detection part for detecting that a buffer in which the captured packets are stored is full and a determination part for determining a possibility of a capture failure occurring when fullness of the buffer is detected. | 2009-01-01 |
20090003223 | DISCOVERING CONFIGURED TUNNELS BETWEEN NODES ON A PATH IN A DATA COMMUNICATIONS NETWORK - An apparatus and method are described for discovering a configured tunnel between nodes on a path in a data communications network. In an embodiment, an apparatus is arranged to remotely access at least one node on the path, identify whether a tunnel is configured on the access node and, if so, identify whether the identified tunnel has a fault. | 2009-01-01 |
20090003224 | T1 TURNAROUND PLUG TEST ADAPTOR - A test adaptor for performing turnaround testing on a T1 board that has a plurality of jack receptacles disposed therein. The test adaptor is comprised of a bracket, a plurality of openings, and a plurality of test plugs. The bracket has a length and a width complimentary to the length and the width of an end of a T1 board. The plurality of openings disposed in the bracket are spaced apart from each other by predetermined distances that are complimentary to the spacing between the plurality of jack receptacles disposed in the T1 board. The plurality of test plugs are mounted within the plurality of openings in the bracket such that the plurality of test plugs can be engaged with the plurality of jack receptacles substantially simultaneously and with a single mechanical step. | 2009-01-01 |
20090003225 | METHOD AND APPARATUS FOR PROBING OF A COMMUNICATION NETWORK - The test packet sequencer according to the present invention, is configured to generate one or more sequences of packets and subsequently place these one or more sequences of packets onto a communication network. The test packet sequencer is further configured to measure timings associated with the one or more sequences of packets. For example, the test packet sequencer can be configured to measure the departure and/or receipt times of one or more sequences of packets. In order to overcome inherent delays or inaccuracies relating to the functionality of one or more components along the network path, the test packet sequencer is configured to pre-activate at least a portion of the network path prior to placement of the one or more sequences of packets on the communication network. | 2009-01-01 |
20090003226 | Network intermediary device with connection test packets - A network intermediary device which determines the connection status with remote network intermediary devices by means of generating continuously connection test packets at same or different time intervals. When one remote network intermediary device does not receive the connection test packets within a predetermined timeout interval or has received fragged or damaged packets, the connection between the local network intermediary device and the remote network intermediary device is determined to be abnormal. | 2009-01-01 |
20090003227 | Performance analysis of a circuit switched mobile telecommunications network - In a circuit switched mobile telecommunications network a performance analysis is provided. In accordance with the invention a method is implemented, which can be carried out both OFF-LINE and ON-LINE, wherein transport channels carrying the circuit switched traffic of a service are found, then bit-streams of the circuit switched traffic are demultiplexed. A traffic database is built and a set of Key Performance Indicators and usage measures characterizing the service are defined and calculated. A passive traffic monitor is also disclosed, which is attached to a standardized interface of the circuit switched mobile telecommunications network consisting of mobile terminals, radio access network and core network. The passive traffic monitor comprises a trace analyzer connected to a signaling analyzer, to a user plane protocol analyzer and to a traffic database writer. The traffic database writer generating a traffic database is linked to the signaling analyzer, to the trace analyzer and to the user plane analyzer. | 2009-01-01 |
20090003228 | BAD DATA PACKET CAPTURE DEVICE - An apparatus and method for capturing data packets for analysis on a network computing system includes a sending node and a receiving node connected by a bi-directional communication link. The sending node sends a data transmission to the receiving node on the bi-directional communication link, and the receiving node receives the data transmission and verifies the data transmission to determine valid data and invalid data and verify retransmissions of invalid data as corresponding valid data. A memory device communicates with the receiving node for storing the invalid data and the corresponding valid data. A computing node communicates with the memory device and receives and performs an analysis of the invalid data and the corresponding valid data received from the memory device. | 2009-01-01 |
20090003229 | Adaptive Bandwidth Management Systems And Methods - Adaptive bandwidth management systems and methods are disclosed. An exemplary system comprises a network switching device including a plurality of physical ports and at least one switching fabric for managing connections between the physical ports. The system also includes a management processor operatively associated with the plurality of physical ports and the at least one switching fabric. The system also includes program code stored in computer-readable storage and executable by the management processor, the program code configuring the network switching device to conserve electrical energy based on the current bandwidth requirements. | 2009-01-01 |
20090003230 | Tool for communication system - A method for designing an, at least partly wireless, local area communication network for industrial application. A 3D plant model of the area in which the communication network is to operate is accessed. Devices that are to communicate in the communication, identify and quantify potential sources of interference or attenuation of the communication signals are introduced into this model. Data regarding communication characteristics of the devices are included. Communication possibilities of the devices are tested and evaluated in the communication network taking into account the possible interference and attenuation sources. If communication possibilities of a particular device is inadequate, adjustments regarding that device are suggested. | 2009-01-01 |
20090003231 | Transparent signaling agent - In today's network, enhancing or otherwise modifying signals in bearer flows in or at equipment already deployed in a network may be done by modifying or upgrading existing equipment, or otherwise invasively routing signals through identified network elements. In accordance with example embodiments of the present invention, signals for control plane flows are transparently monitored using policy based routing to direct control signals from a routing point to a signaling monitoring point. Bearer plane address information of a selected media processing point is substituted for other bearer plane address information in the control signal in a manner that causes subsequent bearer flows to be directed to the selected media processing point from the routing point by destination based routing. Bearer flows may be directed to a media processing point to apply signal enhancement to an encoded media signal on the bearer flows to produce an enhanced media encoded signal. Such embodiments enable service providers to upgrade networks with media processing in a low-cost, non-invasive manner. | 2009-01-01 |
20090003232 | ROUTE AND LINK EVALUATION IN WIRELESS MESH COMMUNICATIONS NETWORKS - Methods and systems for providing a network and routing protocol for utility services are disclosed. A method includes discovering a utility network. Neighboring nodes are discovered and the node listens for advertised routes for networks from the neighbors. The node is then registered with one or more utility networks, receiving a unique address for each network registration. Each upstream node can independently make forwarding decisions on both upstream and downstream packets, i.e., choose the next hop according to the best information available to it. The node can sense transient link problems, outage problems and traffic characteristics. Information is used to find the best route out of and within each network. Each network node maintains multi-egress, multi-ingress network routing options both for itself and the node(s) associated with it. The node is capable of several route maintenance functions utilizing the basic routing protocol and algorithms. | 2009-01-01 |
20090003233 | Method, Apparatus, and Computer Program Product for Identifying Selected Applications Utilizing a Single Existing Available Bit In Frame Headers - A method, apparatus, and computer program product are disclosed for collecting data about the transmission of network packets that are associated with specified applications. The packets are transmitted through a communications network fabric that is used to couple data processing systems together. A particular existing single bit in a frame header definition is selected. The bit is defined as part of the standard frame header by a communication protocol as an available bit in the frame header. The standard protocol is unchanged by the selection of this bit. An application is specified to be monitored. The selected bit is then set in each network packet that is generated by the specified application. The fabric collects performance data for each packet that has the bit set. Thus, the fabric collects performance data about a transmission of each packet that is generated by the application when that application is setting the bit. | 2009-01-01 |
20090003234 | Link quality prediction - A method and apparatus of predicting link quality of a link is disclosed. The method includes receiving multi-carrier modulated signals over a period of time, estimating an SNR for each received sub-carrier, constructing a sequence of the SNRs, and estimating link PER based upon knowledge of encoding and/or interleaving used during transmission, and the sequence of SNRs. | 2009-01-01 |
20090003235 | Method and Apparatus For Data Frame Transmission - A method for data frame transmission includes: obtaining a Maximum Transmission Unit (MTU) of a sink; determining whether an MTU of a source is larger than the MTU of the sink, if the MTU of the source is larger than the MTU of the sink, taking the MTU of the sink as a threshold to send a data frame; otherwise, taking the MTU of the source as the threshold to send the data frame. The method and apparatus provided by embodiments of the present invention prevent loss of frame at the sink caused by the difference between the MTUs of the transmitting device and the receiving device in data transmission. | 2009-01-01 |
20090003236 | User Throughput Geographical Distribution Estimating System and User Throughput Geographical Distribution Estimating Method - A system is provided for estimating the geographical distribution of user throughput in a cellular system, including user terminals and a base station for effecting wireless packet communications with user terminals inside in its own cell using a shared channel. Reception quality estimating means ( | 2009-01-01 |
20090003237 | Method for Configuring Parameters of Broadband Access Terminal - This invention relates to access technologies in the communication field and discloses a method for configuring parameters of a broadband access terminal, which is stable, simple in operation, convenient in maintenance and easy to implement. Configuration parameters are generated at the network management side and are sent to a DSLAM, the DSLAM stores the configuration parameters, and a terminal downloads the configuration parameters through interacting with the DSLAM. In addition, the terminal can request for download upon start-up or in operation, and the download can be implemented by the terminal or the DSLAM. | 2009-01-01 |
20090003238 | Node Merging Process for Network Topology Representation - Node merging methods and apparatus are disclosed for generating simplified representations of network topology. A first topology representative of a given network is determined, and at least one pair of nodes of the first topology is merged into a single node based on measures associated with respective edges connecting the nodes of the node pair to at least one neighbor node common to that pair. The merging step is repeated for one or more additional pairs of nodes to produce a reduced network topology meeting one or more desired criteria, and a visualization or other representation of the reduced network topology is generated. | 2009-01-01 |
20090003239 | Methods and Computer Program Products For Route Determination - This application discloses methods and computer program products for optimal or at least improved routing by evaluating routing alternatives based on multiple-path elements. The systems and methods can determine the shortest route to network points while maintaining route diversity. As such, the systems and methods can determine diverse routes with network-entrance diversity or diverse routes entering a network through a common access point. | 2009-01-01 |
20090003240 | System and method for configuration of network-capable appliances - A controlling device is used to configure an appliance for wireless network communications through use of a setup wizard installed on a computing device. The setup wizard is used to obtain from a user information required to perform communications on a wireless network via a wireless network router and a digital representation of the information obtained from the user through use of the setup wizard is provided to the controlling device. The controlling device is then used to transfer the digital representation of the information to the appliance whereupon the appliance will use the digital representation of the information to configure itself for wireless network communications. | 2009-01-01 |
20090003241 | A Method and System For Obtaining Path Maximum Transfer Unit in Network - A method and system for obtaining path maximum transfer unit in network, include first, at the path start node sending the second layer message which carries the path MTU field for carrying path MTU value and at each node which the second layer message passed renewing the MTU value in the field according to the values preserved in each node; then, when the second layer message arrives at the path terminal node, regarding the MTU value being carried in the path MTU field in the second layer message as the path MTU value corresponding with the path. The present invention acquires the size of path MTU by use of Ethernet network OAM process, avoids the failure of transmitting the OAM message to object end caused by the reason that the size of transmitted OAM message exceeds the MTU of path when the route itself is normal. Therefore, the present invention can increase the reliability of OAM message transmission effectively, and assure the reliability of OAM function realization in Ethernet network. | 2009-01-01 |
20090003242 | DATA ATTACHMENT POINT SELECTION - An algorithm for improving efficiency of data attachment points (DAPs) in a wireless access network (AN) is provided herein. By way of example, the algorithm can identify a serving access point (APs) coupling an access terminal (AT) to the wireless AN. A cost metric for the serving AP can be determined with respect to at least one data network access gateway (AGW) of the wireless AN. The cost metric can be compared with a similar cost metric of a current or default DAP assigned to the AT. If the cost metric of the serving AP is lower than the cost metric of the current/default DAP, the DAP can be re-assigned to the serving AP, minimizing wireless AN resource costs associated with the DAP. | 2009-01-01 |
20090003243 | NETWORK UTILITIES IN WIRELESS MESH COMMUNICATIONS NETWORKS - Methods and systems for providing a network and routing protocol for utility services are disclosed. A method includes discovering a utility network. Neighboring nodes are discovered and the node listens for advertised routes for networks from the neighbors. The node is then registered with one or more utility networks, receiving a unique address for each network registration. Each upstream node can independently make forwarding decisions on both upstream and downstream packets, i.e., choose the next hop according to the best information available to it. The node can sense transient link problems, outage problems and traffic characteristics. Information is used to find the best route out of and within each network. Each network node maintains multi-egress, multi-ingress network routing options both for itself and the node(s) associated with it. The node is capable of several route maintenance functions utilizing the basic routing protocol and algorithms. | 2009-01-01 |
20090003244 | Information communication system, information communication method, node device included in information communication system and recording medium recording information process program - An information communication system formed by plural nodes, mutually connected through a communication route, the nodes including:
| 2009-01-01 |
20090003245 | Method of bus configuration to enable device bridging over dissimilar buses. - Several local IEEE1394 buses are bridged together over a second bus type to create a global bus wherein each local bus node is able to address nodes across the global bus without the local nodes being aware of the bridging operation. A bridging device operates by translating local bus node addresses to a global bus for communication over the second bus type. Alternatively, the local bus node identification process is controlled by the bridging device operating as the root node to cause the local nodes to be identified with a node address that is unique for the global network. The second bus type operates as a backbone for the global network and can be any type of communication bus or network with capability to transport the local bus traffic. The bridging devices that interface the local IEEE1394 buses to the backbone contain portals specific to each bus type that can communicate data between the dissimilar buses. | 2009-01-01 |
20090003246 | Multimedia conference device - A multimedia conference device includes a main body, at least three legs, and a cylindrical portion. At least three legs are pivotally connected with the main body respectively at one end thereof. The cylindrical portion extends outward from a central area of the main body. | 2009-01-01 |
20090003247 | TELECOMMUNICATION AND MULTIMEDIA MANAGEMENT METHOD AND APPARATUS - A communication device for simultaneously rendering one or more conversations. The device includes a receiver for receiving over a network media associated with the one or more conversations and a rendering element for simultaneously rendering the media of the one or more conversations as the media is received over the network. The device also includes a media creation device for creating media for the conversations and a transmitter for transmitting the created media over the network to other participants of the one or more conversations. A memory or storage device stores the received and created media associated with the one or more conversations. A rendering control element is provided to control the rendering element to (i) pause the simultaneous rendering of the media received over the network associated with the one or more conversations and (ii) select for review during the pause one of the one or more conversations by rendering the received and/or created media associated with the selected conversation. During the review period, the received media of the other conversations is stored, but not rendered. After the review of the selected conversation, the simultaneous rendering of the plurality of conversations may be resumed. By storing the media of all the conversations during the review period, the non-rendered media received during the pause may be later reviewed. | 2009-01-01 |
20090003248 | CONFERENCE SYSTEM AND SERVER APPARATUS THEREFOR - According to one embodiment, a conference system which includes a plurality of client terminals to be connected with a communication network, and a conference unit supporting conferences to be held among the plurality of client terminals via the communication network, includes a resource control unit which dynamically allocate a resource of the conference unit to be consumed for supporting the conferences for each group to individually hold the conferences in response to occurrences of events showing changes in states of client terminals belonging to the group, and a release control unit which releases at least a part of the resources to be allocated to groups in which the events occur while the conferences are held under preset conditions. | 2009-01-01 |
20090003249 | Determination and Display of Endpoint Identities - Tools and techniques for determination and display of endpoint identities are described herein. The tools may provide machine-readable storage media containing machine-readable instructions for receiving responses to requests to open call sessions involving given endpoints, and for extracting human-understandable identification information from these responses. These instructions may also extract previously stored identification information associated with the endpoint, where the identification information was extracted from a previous response transmitted from the endpoint. | 2009-01-01 |
20090003250 | Wireless Communication Device, Wireless Communication System and Network Control Method - According to one embodiment, a wireless communication device executes, with use of a wireless signal of a millimeter-wave band, wireless communication with each of devices which are present in an ad-hoc network. The wireless communication device includes a scan request transmission unit, a selection unit, and a coordinator change request unit. The scan request unit requests a coordinator to transmit a scan instruction to each of the devices. Each device, which has received the scan instruction from the coordinator, executes a scan process for detecting all devices which belong to a communication range thereof. The selection unit selects, on the basis of a result of the scan process, a device having a communication range to which at least the wireless communication device belongs. The coordinator change request unit requests the coordinator to execute a process for transferring an authority of the coordinator to the selected device. | 2009-01-01 |
20090003251 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM PRODUCT - A wireless communication device performs a wireless communication with a communication target device via an intermediate device. A route-information obtaining unit obtains communication route information indicating a communication route to the communication target device. A quality-information obtaining unit obtains quality information indicating quality of a signal received by a device included in the communication route indicated by the communication route information. A route selecting unit selects an optimum communication route to the communication target device based on the quality information. | 2009-01-01 |
20090003252 | SYSTEM AND METHOD FOR CONSERVING POWER FOR A WIRELESS DEVICE WHILE MAINTAINING A CONNECTION TO A NETWORK - The invention relates to a system and a method for selectively reducing power consumption of a communication device communicating with a network is provided. In the method, it comprises the following steps: de-activating at least one communication subsystem of the device during intervals when the device is placed in a power save mode; and while the device is in the power save mode the method re-activates the subsystem in two instances. For the first instance, the communication subsystem is re-activated in relation to a first connection condition, and is then de-activated after a first event. For the second instance, the subsystem is re-activated in relation to a second connection condition and is then de-activated after a second event. | 2009-01-01 |
20090003253 | Controlling wireless network beacon transmission - Methods of an access node of a wireless network controlling beacon transmission are disclosed. The method includes the access node detecting a presence of a client device, and the access node controlling air-time of beacon transmission based on whether the access node detects the presence of a client device. | 2009-01-01 |
20090003254 | Power management of periodic transmissions from networking applications - Methods and apparatus relating to power management of periodic transmissions from networking applications are described. In one embodiment, a periodic transmission manager coupled between one or more network applications and one or more network interfaces may control the flow of periodic transmissions from the one or more network applications to the one or more network interfaces. Other embodiments are also disclosed. | 2009-01-01 |
20090003255 | ADAPTIVE SLEEP AREA - Techniques for determining a sleep area of a sleep group in a wireless communications network based on a value of a dynamically changing communication characteristic. In various embodiments, a sleep area may be determined to reduce resource use in a wireless communication network supporting a sleep mode of a mobile station. In one embodiment, the sleep area may be determined based on a speed of a mobile station. | 2009-01-01 |
20090003256 | MOBILE COMMUNICATION SYSTEM AND MBMS SERVICE RELEVANT INFORMATION TRANSFER METHOD FOR USE THEREWITH - The present invention provides a mobile communication system in which a target Radio Network Controller can decide the PtP method or PtM method correctly, and notify that the contents data of an MBMS service starts to be transferred to the radio terminal. A source Radio Network Controller sets up the relevant information of the MBMS service joined by a radio terminal in a Relocation Required message, and transmits it to an SGSN4. The SGSN4 transmits a Relocation Request message to the target Radio Network Controller. The target Radio Network Controller sets up the radio resources to perform the communication with the radio terminal, and stores the relevant information of the MBMS service in the Relocation Required message in memory. | 2009-01-01 |
20090003257 | APRIORI PROACTIVE RETRANSMISSIONS - A method, information processing system, and wireless communication system schedules transmission of data packets in a wireless communication network. At least one selected data packet to be retransmitted to at least one respective receiver ( | 2009-01-01 |
20090003258 | WIRELESS REPEATER AND OPERATING METHOD OF THE SAME - A repeater for relaying data signals between two nodes is provided. The repeater includes a first signal processor that amplifies the received data signals, a path controller that transmits initial information of the received data signal through a first path to determine if the received data signal is from a specific local area and transmits data signals following the initial information through a second path to amplify the data signals following the initial information, a second signal processor that amplifies and transmits the data signal, and a data selection processor that allows the data signals following the initial information to be transmitted through the second path when it is determined using the initial information received that the received data signal is from the specific local area. | 2009-01-01 |
20090003259 | SYSTEM AND METHOD FOR SCHEDULING IN RELAY-ASSISTED WIRELESS NETWORKS - A scheduling system and method for use with relay-assisted wireless networks includes accessing feedback from mobile stations in a network and arranging users associated with a relay station in a list in accordance with marginal utilities. A determination of whether the users in the list can be eliminated from feedback overhead by testing conditions for feedback reduction is made. A diversity schedule is generated by employing a weighted bipartite graph with relay channels and access channels and performing a matching method. A transmission schedule is generated for channel usage in accordance with multi-user and channel diversity for mobile users and spatial reuse of channels across relay and access hops by incorporating rate feedback and interference for the mobile stations and the relay stations based upon the matching method applied to a new weighted graph which accounts for traffic loads and fairness as well. | 2009-01-01 |
20090003260 | RESOURCE SCHEDULING METHOD FOR MULTI-HOP RELAY WIRELESS NETWORK - The present invention discloses a resource scheduling method for multi-hop relay wireless network comprising: for each of a base station and relay stations, acquiring the minimal resource requirement of each of connections to all MSSs which are covered by said station and have direct signal transmission with said station, and then summing up the acquired resource requirement to obtain the minimal resource requirement of said station; and acquiring interference status between the relay stations, using different partition strategies to classify the relay stations into different independent sets, each of which can occupy the same resource, according to the minimal resource requirement of the base station and the relay stations as well as the interference status between the relay stations, and determining and comparing the total resource requirement under each of the partition strategies to obtain an optimized partition strategy for resource reuse scheduling. This resource scheduling method can meet the QoS requirement on each connection better and is applicable to dynamic and asymmetric multi-hop network. | 2009-01-01 |
20090003261 | Method and apparatus for transmitting and receiving signal in a wireless communication system - A method and apparatus for transmitting and receiving a signal in a wireless communication system are provided in which, when a relay request message is received from a transmitter, a first receiver transmits a relay response message including a relay possible information to the transmitter, the relay possible information including information indicating whether the first receiver can perform a relay function, and relays a signal between the transmitter and a second receiver, when a relay confirm message is received from the transmitter after transmitting the relay response message. Herein, the first receiver is different from the second receiver. | 2009-01-01 |
20090003262 | METHOD, SYSTEM AND DEVICE FOR SIGNALING PROCESSING IN A CDMA SYSTEM - A method, system and device of signaling processing in a CDMA system is provided. A switching device of a calling party sends information related to a call of the calling party to a service control point of the calling party, after the switching device detects that the calling party releases the call before a called party answers, and the service control point releases resources related to the call according to the information related to the call. | 2009-01-01 |
20090003263 | NETWORK FOR A CELLULAR COMMUNICATION SYSTEM AND A METHOD OF OPERATION THEREFOR - A network for a cellular communication system comprises access points ( | 2009-01-01 |
20090003264 | LOAD BALANCING FOR MOBILE IP HOME AGENTS - In one embodiment, mobile nodes may be pre-provisioned with a static home agent address and a static home address. The home agent address may be the same for all the mobile nodes. The home address may be a unique identifier for the mobile node in a network. A registration request from a mobile node may be sent to the home agent address. A load balancer may be configured to receive the registration request at the home agent address. The load balancer is then configured to determine a home agent in the plurality of home agents to send the registration request to. The load balancer determines which home agent to send the request to based on the home address for the mobile node. The load balancer then sends the request to the determined home agent. | 2009-01-01 |
20090003265 | IMS NETWORK PROVIDING PURCHASING SESSIONS TO MOBILE DEVICES THAT ARE LOCATED PROXIMATE TO A BUSINESS - IMS networks and methods are disclosed for providing purchasing sessions to mobile devices that are located proximate to a business. IMS network includes an application server that provides advertisements for the business to mobile devices that are located proximate to the business (i.e., the advertisements are pushed to the mobile devices). Responsive to an advertisement, the user of a mobile device may contact the application server through the mobile device to purchase one or more items from the business. The application server responds to the mobile device with receipt information for the purchase. The user may then request delivery of the purchased item through the mobile device by transmitting some or all of the receipt information to the application server. The application server may then schedule delivery of the item to the user of the mobile device. | 2009-01-01 |
20090003266 | Method of Dynamic Resource Allocations in Wireless Systems - A method of dynamic resource allocations in wireless network is disclosed. The method provides that a base station in the network allocates resources to users independently of other base stations and without resource planning. Resource allocations are done based at least in part on a local optimization objective and a channel quality indicator from one or more users, and result in efficient resource reuse. | 2009-01-01 |
20090003267 | METHOD OF COMMUNICATION SCHEDULING IN A MULTIHOP NETWORK - A method of communication scheduling in a multihop network is provided. The multihop network comprises a base station and at least one relay station. The method includes allocating a downlink relay to a relay station; assigning a first one or more connection identifiers to be locally scheduled at the relay station for communication on a first portion of the downlink relay; and assigning a second one or more connection identifiers to be centrally scheduled by the base station for communication on a second portion of the downlink relay. | 2009-01-01 |
20090003268 | CLIENT RESOURCE RESERVATION IN ACCESS NETWORKS FOR ROAMING - A method, apparatus, and system are disclosed. In one embodiment, the method includes granting a mobile device access to a network. The method also includes maintaining the mobile device state information on a network access device that is broadcasting the network, when the mobile device leaves the network, and also maintaining the network state information on the mobile device, when the mobile device leaves the network. Additionally, the method includes restoring the mobile device access to the network using the mobile device state information and the network state information. | 2009-01-01 |
20090003269 | Router Selection Method, Home Agent Device, Mobile Router, and Mobile Network System - Any mobile router or terminal informs a home agent device of a policy of selecting a mobile router, entered by the user. Then, the home agent device creates relay setting information according to the policy information informed and the characteristic information of the mobile routers, and transmits the information to the mobile routers. This relay setting information is for judging whether a packet addressed to the external network, received by the mobile routers is relayed to the external network or transferred to the own network, and if transferring, for determining a transfer destination. Each of the mobile routers relays a received packet according to its relay setting information, thus implementing communication reflecting a user's intention as needed. | 2009-01-01 |
20090003270 | Server-Driven Progressive Image Transmission - A system and method generates a progressive codestream representing an image. The codestream of packets representing an image is parsed to obtain a parsed packets and metadata for each parsed packet. The parsed packets are decomposed to decomposed packets according to the metadata and a progressive transmission policy. The decomposed packets are assigned to sequentially arranged segments according to the metadata and the transmission policy, in which each segment includes a header, and in which an ordering of the packet in the codestream is different than an ordering of the decomposed packets in the plurality of segments. A client composes the decomposed packets according to the header in the segments to progressively reconstruct the image in the client. | 2009-01-01 |
20090003271 | Multi-link load balancing for reverse link backhaul transmission - One embodiment includes distributing user traffic packets to a plurality of queues, and draining the queues of the user traffic packets according to a defined methodology. The drained user traffic packets are sent to a plurality of physical channel interfaces. Each of the plurality of physical channel interfaces interfaces with a respective channel of the backhaul. The sending step sends each of the drained user traffic packets to the physical channel | 2009-01-01 |
20090003272 | Method for detecting RF link imbalances in a wireless communications network - A method for determining an RF link imbalance between an Uplink Path and a Downlink Path of an RF Link formed between a User Equipment (UE) and a Node in a wireless network is provided. The method includes determining the UE receive power levels and the UE transmit power levels for the RF Links at the UE side of the radio interface and identifying one or more RF Links having AvgSum | 2009-01-01 |
20090003273 | Communication system and communication apparatus switching method thereof - The invention provides a communication apparatus switching method. At first, the method of the invention measures at least one environmental parameter relative to a neighboring region of a mobile communication apparatus and then determines whether the mobile communication apparatus is indoors, based on the at least one environmental parameter. If YES, the following steps are executed. Firstly, the method establishes a wireless communication link between the mobile communication apparatus and an agent communication apparatus based on a wireless communication protocol. Then, the method sends a piece of user information to the agent communication apparatus. Afterward, the method terminates a first radio telecommunication link between the mobile communication apparatus and the base station. Finally, the method establishes a second radio telecommunication link between the agent communication apparatus and the base station based on a radio telecommunication protocol. | 2009-01-01 |
20090003274 | APPARATUS AND METHOD FOR TRANSMITTING CONTROL CHANNEL FOR FREQUENCY RESOURCE ALLOCATION IN A WIRELESS COMMUNICATION SYSTEM - A method is provided for transmitting a control channel for resource allocation to a terminal by a base station in an Orthogonal Frequency Division Multiple Access (OFDMA) wireless communication system. An additional resource allocation indicator is set indicating whether the number of consecutive resource block sets allocated to a terminal is greater than one. A reference control channel is generated including reference resource allocation information for a first consecutive resource block set and the set additional resource allocation indicator. An additional control channel using additional resource allocation information is generated, when there are one or more additional consecutive resource block sets. At least one of the generated reference control channel and the generated additional control channels is encoded before transmission. | 2009-01-01 |
20090003275 | System and Method for Asynchronous Wireless Services Using Reverse Service Schema Generation - A notification service and correspondingly configured wireless device for providing asynchronous communications over a communication network for an application of the wireless device in communication with a selected service. The selected service has a source schema definition including an output notification definition associated with a correlation ID. The notification service comprises a reverse schema definition of the source schema definition such that the reverse schema definition includes an input notification operation definition corresponding to the output notification definition. The input definition is associated with the correlation ID and a parameter list of the output definition. The output definition is for defining an output message of the selected source that corresponds to an input message of the notification service defined by the input definition. The notification service has a first communication port adapted for receiving the output message of the selected service as the input message to the notification service, wherein the messages are adapted to include the correlation ID for identifying the network address of the wireless device. The information contents of the output message of the selected source are transmitted as an asynchronous communication to the application of the wireless device identified by the correlation ID. | 2009-01-01 |
20090003276 | Access domain selection in a terminal - The present application discloses a system of at least a network element and at least a terminal. The system constituents are configured to provide assistance by the terminal to the network element in terms of access domain selection for at least one of the media channel and the session control channel of an incoming call to the terminal. In this regard, the terminal acquires information about the capabilities of an access network in which the terminal is camping. Upon receiving, at the terminal, an invitation to participate in a call, the terminal analyzes the acquired information about the capabilities of the access network, and optionally or additionally of the IMS network. The terminal responds to the invitation, based on the result of the analyzing, with an indication that indicates a respective access domain to be used for at least one of the media channel and the session control channel of the incoming call. | 2009-01-01 |
20090003277 | System, Method and Computer Program Product for Providing Increased Bandwidth in a Broadband Wireless Communication System - A system, method and computer program product is described that facilitates the provision of increased bandwidth in a broadband wireless communication system, such as a WiMAX communication system, by initiating and performing a hot handover of an active mobile communication session from a first base station to a second base station. The first base station may be a low-capacity base station and the second base station may be a high-capacity base station. The hot handover occurs even in instances where the mobile station is receiving a stronger signal from the first base station than the second base station. The hot handover is initiated by an entity separate from the mobile station. This entity makes the handover decision based upon inputs from the broadband wireless communication network and optionally from overlay Operations Support System (OSS) and/or Business Support System (BSS) components. | 2009-01-01 |
20090003278 | SYSTEM AND METHOD OF COMMUNICATING WITH A FIRST AND SECOND NETWORK BY A COMMUNICATION DEVICE - The invention relates to a system and method for maintaining a first connection to a first network and a second connection to a second network by a communication device. The method comprises: conducting a first activity to maintain or establish the first connection in a series of spaced, timed segments, such that the segments represent a timeframe of an original activity that would span a continuous period that would cause a transmission conflict with the second connection; and conducting a second activity for the second network only between two of consecutive segments of the series of segments. The first network may be a 802.11-class network; the first activity may be a beacon scan for a channel of the 802.11-class network; the second network may be a Bluetooth network; and the second activity may be transmission of an Advanced Audio Distribution Profile data to a second device through the Bluetooth network. | 2009-01-01 |
20090003279 | Method and Apparatus For Dynamically Creating and Updating Base Station Neighbor Lists - The invention includes a method and apparatus for creating a base station neighbor list at a target base station in a wireless network including a plurality of base stations. A method includes obtaining information for creating the base station neighbor list, creating the base station neighbor list using the obtained information, and storing the base station neighbor list. The obtained information includes at least one of geographic locations of ones of the base stations, network status information associated with the wireless network, and pilot signal strength measurement feedback information. The base station neighbor list includes a subset of the base stations of the network. The base stations of the base station neighbor list may be prioritized using at least a portion of the obtained information. The base station neighbor list may be updated periodically, or in response to changes to the obtained information. The base station neighbor list is distributed from the base station to wireless user devices served by the base station for use by the wireless user devices in making handoff decisions. | 2009-01-01 |
20090003280 | Packet Transfer Control Method, Communication Message Processing Method, Access Router, and Mobile Terminal - There is disclosed a technique for eliminating buffer and transfer of a packet which is not required for an MN in a handover mechanism in which a packet to be sent to the MN performing handover is buffered and the buffered packet is supplied to the MN after the handover. According to the technique, before the handover, a mobile terminal (MN) ( | 2009-01-01 |
20090003281 | Location context service handoff - A location service providing system and method for repeatedly providing a location service. | 2009-01-01 |
20090003282 | LEARNING-BASED SEMI-PERSISTENT SCHEDULING IN WIRELESS COMMUNICATIONS - Systems and methods are provided for a learning-based determination of semi-persistent scheduling of data-packet flow wireless communication. A packetized data flow served to a wireless terminal is fully scheduled for an initial period of time in order to collect statistics associated with scheduled packet sizes (Ss) and inter-packet times (Ts). Analysis of a cumulative distribution of {S, T} pairs indicate whether a characteristic packet size (S | 2009-01-01 |
20090003283 | RE-USING SEQUENCE NUMBER BY MULTIPLE PROTOCOLS FOR WIRELESS COMMUNICATION - Techniques for re-using sequence number by multiple protocols in a protocol stack are described. In one design, at least one protocol data unit (PDU) from a first protocol may be received as at least one service data unit (SDU) at a second protocol, with each PDU being assigned a different sequence number by the first protocol. A sequence number for each SDU may be determined based on a sequence number for a corresponding PDU from the first protocol. A PDU may be formed by the second protocol based on the at least one SDU. A header may be generated for the PDU and may include (i) the sequence number and possibly a segment offset for the first SDU and (ii) a header block for each remaining SDU, which may include a segment length, a sequence number offset, and a segment offset for that SDU. | 2009-01-01 |
20090003284 | Call Admission Control in an Ad Hoc Network - A wireless node (n | 2009-01-01 |
20090003285 | ADAPTIVE PAGING AREA - Techniques for determining a paging area of a paging group in a wireless communications network based on a value of one or more dynamically changing communication characteristics. In various embodiments, a paging area may be determined to reduce resource use in a wireless communication network supporting an idle mode of a mobile station. In one embodiment, the paging area may be determined based on a speed of a mobile station. | 2009-01-01 |
20090003286 | FRONT END MODULE COMPRISING AN ANTENNA SWITCH - A front-end module is for use with at least three radio frequency bands. The front-end module includes at least five signal paths, and an antenna switch to electrically connect an antenna to one of the signal paths. At least one of the signal paths includes subpaths. A frequency separating network interfaces the at least one signal path to the subpaths. The subpaths are for use in passing different radio frequency bands. The different radio frequency bands have frequency ranges that do not overlap. | 2009-01-01 |
20090003287 | Method of translating cellular carriers - A plurality of carrier signals in a wide band signal is converted into a plurality of digital carrier signals. Each of the plurality of carrier signals is at a respective frequency in the wide band signal. At least one of the plurality of digital carrier signals is translated to a different frequency. | 2009-01-01 |
20090003288 | Method for Reporting and Managing Wireless Resources in Tdm System - A method for reporting and managing wireless resources in TDM system comprises the step of reporting the wireless resources comprises a RNC obtaining the resource capacity information of each of the carrier frequency in a cell covered by a base station through the resource audit response message or the resource state indicating message or the resource obstruct message. The RNC can obtain the information of the carrier frequency. According to the method, resource capacity information of each of the carrier frequency in the RNC is in consistency of that of the base station. Thus, the rationality of the carrier frequency and the resource capacity information of the carrier frequency distributed to the service by the RNC can be assured. The success rate of the establishment for a radio link is improved accordingly as to avoid the fact that the radio link establishes on the carrier frequency that is not supported by the base station. | 2009-01-01 |
20090003289 | Wireless Communication System, Wireless Communication Device, Program and Wireless Communication Method - A wireless communication device that performs wireless communication with another wireless communication device using a set time band set in advance from among time bands included in a frame with a predetermined cycle. The wireless communication device includes: a selector, that, when a set time band is changed, selects a new time band for after the change from the time bands included in the frame; a communication portion that transmits in a block information showing the new time band to the other wireless communication device as a set time band change request; and a setting portion that, based on the response received from the other wireless communication device with regard to the set time band change request, changes the setting of the set time band to the new time band. | 2009-01-01 |
20090003290 | Method and Apparatus for Selecting Transport Format Combination in a Wireless Communication System - A method and apparatus for selecting a Transport Format Combination (TFC) in a wireless communication system are provided, in which it is determined whether a previous TFC used for data transmission on a previous valid Transmission Time Interval (TTI) can be reused as a current TFC for data transmission on a current valid TTI via at least one transport channel according to at least one parameter related to the transport channel, the previous TFC is set as the current TFC without performing a TFC search and determination process, when the previous TFC can be reused on the current valid TTI, and TFCs, each having Transport Formats (TFs) preset for data transmission on transport channels are searched, and a suitable TFC is selected for the current valid TTI from among the TFCs when the previous TFC cannot be reused on the current valid TTI. | 2009-01-01 |
20090003291 | SIX-ADDRESS SCHEME FOR MULTIPLE HOP FORWARDING IN WIRELESS MESH NETWORKS - A six field address scheme identifies both the originating point and the endpoint of a data frame enabling multiple hop forwarding though a plurality of intermediate mesh points in a wireless mesh network. Data frames originating or ending at a point outside of the wireless mesh network access the wireless network at a mesh access point using a legacy address scheme. The legacy address schemes are converted to a six address scheme using a proxy address table at the access point. Each mesh access point includes not only a routing table but a proxy address table as well as enabling the mesh access point, and/or mesh portal points, to convert address schemes having less than six address fields to the six field format. Subsequent to the conversion, mesh points within the wireless mesh network need only the routing table to facilitate the forwarding of the data frame. | 2009-01-01 |
20090003292 | METHODS AND ARRANGEMENTS FOR TRACKING AND LOCATING LAPTOPS - An arrangement for employing a host of receivers that may already be present in a laptop, to enable the laptop to collect a significant amount of data about its location. Once the system then finds a readily available connection, it can then transmit information about its location as well as other information to help pinpoint the location of the laptop. | 2009-01-01 |
20090003293 | Accounting for map parsing delay to enable coexistence of multiple radios - In general, in one aspect, the disclosure describes an apparatus that includes a first radio to communicate with a first wireless network and a second radio to communicate with a second wireless network. The first wireless network transmits a map defining locations within an assigned spectrum data is to be communicated therebetween. An earliest possible location defined in map is such that the map can be parsed within the time it would take to get to the earliest possible location so that the radio can be turned off after receiving the map until the location defined in the map, and the second radio is active when the first radio is not. | 2009-01-01 |
20090003294 | Multiple radio platform transmission power control - In general, in one aspect, the disclosure describes an apparatus that includes a first radio to communicate with a first wireless network and a second radio to communicate with a second wireless network. A controller is used to estimate signal to noise and interference ratio (SINR) for signal being received by the first radio when the second radio is transmitting. The controller is also to determine if the estimate meets a threshold. Transmissions are permitted from the second radio while the first radio is receiving if the threshold is met. | 2009-01-01 |
20090003295 | AD-HOC NETWORK DEVICE WITH REDUCED DATA LOSS - When data is to be transmitted from a transmission source to a transmission destination in a wireless or wired ad-hoc network constructed in an indoor environment such as a house or an office, the data is transmitted by using a path that is formed over a plurality of channels that the respective nodes have. Also, when data transmission with high reliability is to be performed, same data is sent to two or more paths, thereby even when the data on one path cannot be normally delivered due to noise, the data can be delivered to the transmission destination without being affected by the noise by using the data transmitted on another channel. | 2009-01-01 |
20090003296 | Method And System For Interconnecting Digital Subscriber Line Network And Radio Communication Network - A method and system for interconnecting a DSL network and a radio communication network are disclosed. The DSL network carries data transmitted in the radio communication network so that the radio communication network and the DSL network are interconnected. The xDSL is adopted to perform the base station transmission. The scheme may function as a radio extension of the wire access of the DSL network and is suitable to fixed wireless, nomadic connectivity, laptop and mobile access applications. | 2009-01-01 |
20090003297 | METHOD AND APPARATUS FOR DYNAMIC LMA ASSIGNMENT IN PROXY MOBILE IPv6 PROTOCOL - Methods and apparatuses are provided for supporting mobility in a Proxy Mobile Internet Protocol (“IP”) network without having a mobile node (“MN”) to participate in certain mobility related signaling. Instead, a proxy agent might implement functions of a mobile access gateway (“MAG”) in a Proxy Mobile Internet Protocol Version 6 (“IPv6”) network. The proxy agent, rather than the MN, might send a request to a Dynamic Host Configuration Protocol (“DHCP”) server, and receive back a local mobility anchor address (“LMAA”) of a local mobility anchor (“LMA”). The proxy agent might instead perform a Domain Name System (“DNS”) lookup for the LMAA of the LMA first; in response to a failure to receive the LMAA, the proxy agent might then send the request to the DHCP server to receive the LMAA. The proxy agent might further update DNS information of the MN. | 2009-01-01 |
20090003298 | SIX-ADDRESS SCHEME FOR MULTIPLE HOP FORWARDING IN WIRELESS MESH NETWORKS - A six field address scheme identifies both the originating point and the endpoint of a data frame enabling multiple hop forwarding through a plurality of intermediate mesh points in a wireless mesh network. Data frames originating or ending at a point outside of the wireless mesh network access the wireless network at a mesh access point using a legacy address scheme. The legacy address schemes are converted to a six address scheme using a proxy address table at the access point. Each mesh access point includes not only a routing table but a proxy address table as well as enabling the mesh access point, and/or mesh portal points, to convert address schemes having less than six address fields to the six field format. Subsequent to the conversion, mesh points within the wireless mesh network need only the routing table to facilitate the forwarding of the data frame. | 2009-01-01 |
20090003299 | METHOD FOR CLEAR CHANNEL ASSESSMENT OPTIMIZATION IN A WIRELESS LOCAL AREA NETWORK - A method and apparatus are directed toward optimizing clear channel assessment (CCA) parameters in a wireless local area network having an access point (AP) and at least one station. An upper bound and a lower bound for an energy detect threshold (EDT) parameter are determined. A value of the EDT parameter is calculated and is bound by the upper bound and the lower bound. The EDT parameter is updated. The method can be performed at each station or at the AP, with the updated CCA parameters being signaled to each station associated with the AP. | 2009-01-01 |
20090003300 | DYNAMIC EXPANSION OF A FRAME SELECTION INTERVAL IN A WIRELESS COMMUNICATION NETWORK - Methods and systems are provided for dynamically expanding and retracting a frame selection interval in a wireless communication network. A frame selector receives a sequence of frames for a call from each of a plurality of base stations serving a mobile communication device for the call, and performs a frame selection process based on an initial selection interval to select a best frame from the sequence of frames received from each of the base stations during each instance of the initial selection interval. The frame selector is adapted to track the presence and absence of late or early frames, and uses this information to dynamically expand the frame selection interval when late or early frames are detected. The frame selector then performs the frame selection process based on the expanded selection interval to select the best frame from the sequence of frames during subsequent instances of the expanded selection interval. | 2009-01-01 |
20090003301 | HS-PDSCH BLIND DECODING - The number of blind decoding operations in a wireless communication receiver is reduced. In one embodiment, a candidate set of transport formats is formed by eliminating one or more allowed transport formats, thus reducing the number of decode operations to be performed. In another embodiment, a received data transmission is partially decoded according to each of a plurality of transport formats, and decode quality metrics associated with each transport format are inspected. Only the transport formats yielding sufficiently high quality metrics are utilized to fully decode the transmission. In other embodiments, upon failure to successfully decode a received transmission, it is assumed to be a retransmission with a missed control transmission, and one or more transport formats specifying the position of a previous transmission in a buffer are added to the candidate set of transport formats. The received retransmission and previously received transmission are then HARQ combined and decoded. | 2009-01-01 |
20090003302 | METHOD FOR ADAPTING DATA RATES - Data rates of simultaneous radio transmissions of data are matched for services over a connection between a base station and a subscriber station by determining a service-specific rate matching factor for one of the services based on a steady-state rate matching factor and a dynamic rate matching factor. The dynamic connection-oriented rate matching factor is based on the steady-state matching factor. The dynamic-connection oriented rate matching factor matches a sum of a volume of data for the services over the connection to a volume of data available in a next frame of data. In addition, the data is compressed or expanded for the one of the services based on the corresponding service-specific rate matching factor. | 2009-01-01 |
20090003303 | TECHNIQUES FOR COEXISTENCE-AWARE RESOURCE ALLOCATION IN WIRELESS NETWORKS - An embodiment of the present invention provides a method, comprising using MAC coordination between a plurality of co-located radios to resolve co-located multi-radio co-existence at the MAC layer. | 2009-01-01 |
20090003304 | Wireless communication system, base station, and wireless communication method - A wireless communication system comprising a base station and a terminal station. The base station extracts paths having a power level that exceeds a predetermined threshold value from delay profiles of said terminal station as available paths, selects a path having a maximum power or a first path from said available paths as a reference path, calculates time difference between an arrival time of said reference path and a predetermined maximum arrival time, and transmits the result to said terminal station as a transmission timing control signal. The terminal station adjusts the transmission timing to the base station according to said time difference. The base station transmits the transmission timing control signal only when the base station detects the reference path. | 2009-01-01 |
20090003305 | Method and Arrangement in a Telecommunication System - The present invention relates to methods and arrangements for interference reduction for bursty or intermitted transmissions. DPCCH gating with regular on/off-gating patterns can create waveforms that can interfere with non-UMTS audio equipments, e.g. hearing aids. The present invention relates to modifying the transmission instants of data packets in such a way such interference can be significantly reduced. This is achieved by introducing a randomization mechanism into the mapping function of data packets onto the HARQ processes, which in turn are mapped onto predefined transmission occasions (sub-frames). This results in a non-periodic transmission pattern while maintaining user data transmission requirements. | 2009-01-01 |