31st week of 2009 patent applcation highlights part 26 |
Patent application number | Title | Published |
20090190518 | APPARATUS AND METHOD FOR CREATING DATA PATH FOR BROADCASTING SERVICE IN CELLULAR NETWORK - An apparatus and method for creating a data path for a broadcasting service in a cellular network is provided. In a method for creating a data path to provide a broadcasting service in a cellular network, a broadcast server transmits a session start request message to an Access Service Network-GateWay (ASN_GW) before transmission of Multicast and Broadcast Service (MBS) data, to request a multicast connection setup. The ASN_GW establishes a multicast connection between the broadcast server and the ASN_GW on the basis of information of the session start request message. The ASN_GW transmits a session start response message to the broadcast server in response to the session start request message, after establishment of the multicast connection between the broadcast server and the ASN_GW. The ASN_GW transmits a path registration request message to at least one base station associated with a broadcast zone, to request MBS data path establishment and air resource reservation. The base station establishes a multicast connection between the ASN_GW and the base station on the basis of information of the path registration request message. The base station transmits a path registration response message to the ASN_GW in response to the path registration request message, after establishment of the multicast connection between the ASN_GW and the base station. | 2009-07-30 |
20090190519 | METHOD AND APPARATUS FOR SELECTING MBMS RADIO BEARER TYPE - A method and apparatus for selecting a radio bearer type for providing a service to a plurality of mobile terminals according to a count of mobile terminals obtained through responses to a service response request message from a network is provided. An MBMS radio bearer type is selected according to a count that includes RRC-connected mobile terminals that still need to establish a connection in order to receive an MBMS such that the radio bearer type established is sufficient to provide the MBMS to all mobile terminals desiring to receive the service. | 2009-07-30 |
20090190520 | Method of updating transmission channel information based on eaves-dropping of beamformed signals - A method and apparatus of providing a base station with updated transmission channel information is disclosed. The method includes the base station transmitting beamformed signals to a first terminal. A second terminal receives the transmitted beamformed signals, and measures a signal quality. The second terminal conveys back to the base station the measured signal quality, and a transmission identifier of the beamformed data signal. | 2009-07-30 |
20090190521 | MANAGEMENT OF WIRELESS RELAY NODES USING IDENTIFIERS - A set of wireless relay nodes are managed to facilitate inter-node routing of packets in the set. In some aspects, unique identifiers are defined for the wireless relay nodes to facilitate routing packets within the set. In some aspect a routing table is provided to each of the wireless relay nodes, wherein the routing table identifies each wireless relay node in the set and a next-hop entity for each of these wireless relay nodes. Each of the wireless relay nodes may then define a forwarding table based on the routing table. | 2009-07-30 |
20090190522 | MANAGEMENT OF WIRELESS RELAY NODES USING ROUTING TABLE - A set of wireless relay nodes are managed to facilitate inter-node routing of packets in the set. In some aspects, unique identifiers are defined for the wireless relay nodes to facilitate routing packets within the set. In some aspect a routing table is provided to each of the wireless relay nodes, wherein the routing table identifies each wireless relay node in the set and a next-hop entity for each of these wireless relay nodes. Each of the wireless relay nodes may then define a forwarding table based on the routing table. | 2009-07-30 |
20090190523 | Router unit, server unit and home agent function transfer control method - An HA function can be stopped and restarted without having an influence on MN performing registration and other nodes. | 2009-07-30 |
20090190524 | APPARATUS FOR DISTRIBUTING DATA TRAFFIC IN HETEROGENEOUS WIRELESS NETWORKS - An apparatus for distributing data traffic in heterogeneous wireless networks is provided. A terminal for transmitting data to a plurality of wireless networks, includes a transmission rule storing unit to store a data transmission rule with respect to the plurality of wireless networks, a data dividing unit to divide first data into a plurality of first data groups based on the stored data transmission rule, a transmission network selecting unit to select an individual transmission network for each divided data group from the plurality of wireless networks based on the determined data transmission rule, and a network access unit to transmit each data group to the selected transmission network. | 2009-07-30 |
20090190525 | ENHANCEMENTS TO THE POSITIONING PILOT CHANNEL - A method for communicating transmitter identification in an interlace structure of a communication network system using positioning pilot channels (PPC), comprising:
| 2009-07-30 |
20090190526 | METHOD AND APPARATUS FOR GENERATING RADIO LINK CONTROL PROTOCOL DATA UNITS - A method and apparatus are used to generate radio link control (RLC) protocol data units (PDUs). A data request for a logical channel is received as part of an enhanced dedicated channel (E-DCH) transport format combination (E-TFC) selection procedure in a medium access control (MAC). Upon determining the data field size, an RLC PDU is generated such that it matches the requested data from the E-TFC selection. The size of the RLC PDU generated can be greater than or equal to the minimum configured RLC PDU size (if data is available) and less than or equal to the maximum RLC PDU size. The data is then transmitted in the RLC PDU in a current transmission time interval (TTI). | 2009-07-30 |
20090190527 | METHOD FOR CONTROLLING THE DATA RATE OF A CIRCUIT SWITCHED VOICE APPLICATION IN AN EVOLVED WIRELESS SYSTEM - An apparatus and method of transmitting a circuit switched (CS) voice application via an enhanced dedicated channel (E-DCH), implemented in a wireless transmit/receive unit (WTRU). The method includes receiving a grant; performing an E-TFC selection procedure based on the grant, wherein a number of bits that may be transmitted over an enhanced dedicated channel (E-DCH) is determined, determining an adaptive multi-rate (AMR) codec bit-rate based on the number of bits that may be transmitted over the E-DCH, generating AMR voice packets based on the determined AMR codec bit rate, and submitting the AMR voice packets to lower layers for transmission over the E-DCH. | 2009-07-30 |
20090190528 | METHOD FOR TRANSMITTING AND RECEIVING CHANNEL STATE INFORMATION PERIODICALLY OR APERIODICALLY - A method for transmitting and receiving channel state information (CSI) periodically and aperiodically is disclosed. The method for aperiodically transmitting channel state information (CSI) by a terminal includes receiving an indicator requesting a channel state information report of a downlink channel from a base station over a downlink control channel, and aperiodically transmitting the channel state information (CSI) to the base station over a physical uplink shared channel (PUSCH) upon receiving the indicator from the base station. | 2009-07-30 |
20090190529 | Mobile IP Communication System - A mobile IP communication system includes a home agent | 2009-07-30 |
20090190530 | METHOD FOR TERMINATING ATTACH PROCEDURE IN MOBILE TERMINAL - A system and method by which an unnecessary General Packet Radio Service (GPRS) attach procedure is no longer performed when a service cancellation situation is generated during execution of a GPRS attach procedure according to a data service requested by a user is provided. The system determines whether an abnormal situation occurs in an Europe-oriented General Packet Radio Service/Universal Mobile Telecommunication System (GPRS/UMTS) mobile terminal and immediately terminates a currently proceeding attach procedure when an abnormal service cancellation situation occurs. The abnormal situation occurs when the user cancels a service during use of a data service (e.g., Wireless Application Protocol (WAP), Multimedia Message Service (MMS)) or when connection of the service fails due to a bad network state. By not performing an unnecessary GPRS attach procedure due to the occurrence of an abnormal situation, the mobile terminal does not perform an unnecessary routing area updating procedure, thereby reducing power consumption. | 2009-07-30 |
20090190531 | Mesh Node Mobility Across Static and Mobile Mesh Networks - Methods and systems for mobility of mobile nodes in mesh networks are taught wherein the mobile mesh nodes choose an attachment point to another mesh node based on predetermined criteria, such as the characteristics of the attachment point's path to a reference destination, and other factors local to the attachment point, such as load and available capacity. The mobile nodes forward packets on each other's behalf. Static and mobile nodes and the links between them are treated differently from each other in view of their respectively different properties. A special metric is used for paths that include mobile links in addition to the static mesh links and wired mesh links. Mobility is handled completely transparently to any client devices attached to the mesh nodes, where this attachment could be wireless or wired. | 2009-07-30 |
20090190532 | MOBILE COMMUNICATION DEVICE PROVIDING N-WAY COMMUNICATION THROUGH A PLURALITY OF COMMUNICATION SERVICES - A system and method, in a mobile communication device, providing N-way communication through a plurality of communication services. Various aspects of the present invention provide a mobile communication device comprising a user interface and at least one communication interface module adapted to perform a first communication with a first communication device through a first communication service and perform a second communication with a second communication device through a second communication service. At least one module may be adapted to receive outgoing information from the user interface and to receive first information from the first communication device through the first communication service. The at least one module may also combine at least the received outgoing information and the received first information and transmit such combined information to the second communication device through the second communication service. | 2009-07-30 |
20090190533 | METHOD, SYSTEM AND APPARATUS FOR PROVIDING ACCESS MODE SELECTION TO MULTIMODE TERMINAL - A method, system and apparatus for providing access mode selection to multimode terminal are disclosed. After selecting an access mode according to a certain policy, a routing decision entity correspondingly instructs a routing execution entity to perform a call connection in the selected access mode. The method for providing access mode selection to multimode terminal includes the following steps: (1) when establishing a registration connection, a terminal notifies related information of a current access network type to a network side; and (2) when performing a call connection to a called party, a routing decision entity on the network side selects the access mode and correspondingly instructs a routing execution entity to perform the call connection according to the related information and the selected access mode. | 2009-07-30 |
20090190534 | MOBILE STATION DEVICE, BASE STATION DEVICE, MOBILE STATION DEVICE OPERATING FREQUENCY BAND MAPPING METHOD, LOCATION MANAGEMENT DEVICE, MOBILE STATION DEVICE LOCATION REGISTRATION METHOD, PAGING METHOD, AND PROGRAM FOR EXECUTING THE SAME AND RECORDING MEDIUM - In a method for mapping an operating frequency band of a mobile station device in a mobile communication system, an operating frequency band position at the time of idle mode of respective mobile station devices is arranged so as to be distributed throughout a unique frequency bandwidth of a base station device. | 2009-07-30 |
20090190535 | ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS WITH CARRIER SENSE - A communication system in which an access point and one or more devices communicating through the access point adaptively apply Orthogonal Frequency Division Multiple Access (OFDMA). The access point may assign orthogonal subcarriers to devices as in conventional OFDMA, but the access point senses activity on the subcarriers and selects subcarriers without activity for assignment. In an alternative approach, a device that is configured for OFDMA communication may receive a channel assignment from a device that does not support OFDMA. The OFDMA-capable device may use only a portion of the subcarriers in the assigned channel, which may be communicated to the non-OFDMA device. During the non-OFDMA device may then ignore unused subcarriers in error detection and correction to avoid incorrectly classifying communications as erroneous. Information about OFDMA capabilities, subcarrier assignments and subcarriers in use may be communicated as information elements in network control communications, such as beacons and probe messages. | 2009-07-30 |
20090190536 | RESOURCE ALLOCATION FOR OFDMA SYSTEMS WITH HALF-DUPLEX RELAY(S) AND CORRESPONDING TRANSMISSION PROTOCOL - A transmission protocol is provided for wireless communications in an OFDMA system that uses a rateless code and techniques are provided for dynamically adjusting the subcarrier resources allocated to an OFDMA relay node so that the relay is used at the right time according to the instantaneous channel state information (CSI). As a result, a higher throughput is achieved between source and destination nodes based on a low complexity algorithm for determining when relay assistance is helpful for completing a transmission between the source and destination nodes. | 2009-07-30 |
20090190537 | METHOD, APPARATUS FOR DYNAMIC RESOURCE ALLOCATION METHOD IN OFDMA-BASED COGNITIVE RADIO SYSTEM AND FORWARD LINK FRAME STRUCTURE THEREOF - Provided are a dynamic resource allocation method and apparatus in an Orthogonal Frequency Division Multiple Access (OFDMA)-based cognitive radio system and a downlink frame structure of the method and apparatus. The method includes a base station (BS) selecting one of an Adaptive Modulation and Coding (AMC) subchannel allocation scheme, in which a subchannel comprising at least one bin comprising a first plurality of continuous subcarriers in a frequency domain, is allocated, and a diversity subchannel allocation scheme, in which a subchannel comprising a second plurality of scattered subcarriers in the frequency domain is allocated, according to a level of frequency selectivity of an unused idle frequency band; and the BS allocating at least one subchannel to a terminal according to the selected subchannel allocation scheme. Accordingly, downlink throughput in the cognitive radio system can be increased. | 2009-07-30 |
20090190538 | BASE STATION APPARATUS - A disclosed base station apparatus used in mobile communication system, where data are transmitted and received using shared channels, includes a signal generating unit for generating a within-range check signal used to determine, after a mobile station apparatus present in a coverage of the base station apparatus has entered into a discontinuous reception mode (DRX) and/or a discontinuous transmission mode (DTX), whether the mobile station apparatus is present in the coverage; a signal transmission control unit for controlling transmission of the within-range check signal so that the within-range check signal is transmitted to the mobile station apparatus upon passage of a predetermined time while the mobile station apparatus remains in the DRX and/or DTX; and a determining unit for determining the presence of the mobile station apparatus in the coverage if response to the within-range check signal is returned, and determine absence from the coverage if no response is returned. | 2009-07-30 |
20090190539 | BASE STATION, MOBILE STATION, AND COMMUNICATION METHOD - A base station for transmitting a radio frame where an L1/L2 control channel is multiplexed into a portion of a subframe to transmit data on a shared data channel includes a broadcast channel generating unit configured to generate a broadcast channel; an L1/L2 control channel generating unit configured to generate the L1/L2 control channel corresponding to the broadcast channel, which includes at least one broadcast channel control information from the group consisting of: an update flag indicating whether information on the broadcast channel is modified, broadcast channel allocation information, and L3 control information for the broadcast channel; and a multiplexing unit configured to multiplex the broadcast channel, the shared data channel, and the L1/L2 control channel into the subframe. | 2009-07-30 |
20090190540 | RADIO RESOURCE ASSIGNING METHOD AND RADIO BASE STATION - A radio resource assigning method includes assigning persistently, at a radio base station, by a persistent scheduling. The radio resource is to be used for transmitting downlink data to a mobile station. The radio resource assigning method also includes changing, at the radio base station, by a dynamic scheduling, in a period when the persistent scheduling is applied. The radio resource is to be assigned to the mobile station. | 2009-07-30 |
20090190541 | Communication systems - An interference mitigation method in a wireless network in which a plurality of nodes share an available frequency spectrum by performing wireless communication on sub-channels defined within the available spectrum. The nodes are grouped into clusters, each cluster having a leader of the cluster. Preferably, every node in the cluster is a transceiver equipped to act as leader and this leader role is rotated around the cluster. | 2009-07-30 |
20090190542 | MULTI-HOP WIRELESS COMMUNICATION SYSTEM - A multi-hop wireless communication system which synchronizes a time signal generated by a timer device included in each of the wireless terminals and sets a different active timing to a wireless terminal connected to each of a plurality of multi-hop routes. The wireless terminal monitors the time signal of the timer device included in the wireless terminal and activates wireless communication of the wireless terminal when it is detected that the time signal matches an active timing set in the wireless terminal. | 2009-07-30 |
20090190543 | PACKET TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM USING MULTIPLE ANTENNAS - A method of retransmitting packet data in a wireless communication system comprises receiving a link map information element from a transmitting station having three antennas to achieve space time transmit diversity, wherein first, second and third packet data are transmitted from first, second and third antenna of the transmitting station, respectively. The method also comprises transmitting a non-acknowledgement signal to the transmitting station if at least one packet data from the transmitting station is not properly decoded. The method also comprises receiving the packet data from the transmitting station, wherein at least two of retransmitted packet data are transmitted from different antennas of the transmitting station, and one of retransmitted packet data is transmitted from the same antenna of the transmitting station. The retransmitted packet data are received with an information element comprising a retransmission count associated with a number of retransmission made by the transmitting station. | 2009-07-30 |
20090190544 | METHOD AND APPARATUS FOR CHANNEL IDENTIFICATION IN A WIRELESS COMMUNICATION SYSTEM - Systems and methodologies are described that facilitate classification and identification of a channel associated with a wireless data transmission. As described herein, a channel designated for transmission of a packet can be selected from among multiple usable channels, based on which a bit at a predefined location in the packet can be set to a logical value indicative of the selected channel. As further described herein, extraction of the logical value from the predefined location and identification of the corresponding channel can be performed by a recipient of the packet without requiring parsing of the message. In one example described herein, a Dedicated Control Channel (DCCH) can be identified by setting a Logical Channel Identifier (LCID) bit in a DCCH packet to a predefined value. In another example, a Common Control Channel (CCCH) can be identified by embedding a Boolean constant within a message structure contained in a CCCH packet. | 2009-07-30 |
20090190545 | BROADBAND WIRELESS ACCESS SYSTEM, BASE STATION, AND NOTIFICATION METHOD BY THE BASE STATION - A base station includes a resources examination requesting unit that, when the base station is requested by a terminal to perform any of the following operations including addition, creation and change of a service flow, inquires of a radio resources management node whether the base station has enough radio resources to perform the operation on the service flow requested by the terminal; and a terminal notification unit that, when the base station lacks the radio resources, notifies the terminal of a base station that is selected from among neighboring base stations by the radio resources management node as a performer base station for performing the operation on the service flow requested by the terminal. The radio resources management node includes a resources examination responding unit that, when the requested target base station lacks the radio resources, selects a base station with enough radio resources to perform the operation on the service flow requested by the terminal from among the neighboring base stations as the performer base station. | 2009-07-30 |
20090190546 | Base Station For Allocating Sub-Channels To Mobile Station - A base station for allocating one or more sub-channels to a mobile station to perform uplink wireless communication with the mobile station through the one or more sub-channels, including an estimation unit to estimate a propagation environment for radio waves from the mobile station to the base station; a calculation unit to calculate an interference amount based on a reception power at the base station apparatus; and a determination unit to determine a modulation method, an encoding ratio, and a number of sub-channels, which are to be used by the mobile station for transmission to the base station, based on the propagation environment, the interference amount, and specification conditions of the mobile station, to notify the mobile station of the modulation method, the encoding ratio, and the number of sub-channels. | 2009-07-30 |
20090190547 | NETWORKING METHOD OF SINGLE FREQUENCY NETWORK IN TD-SCDMA SYSTEM - Networking methods of a Single Frequency Network (SFN) in communication systems are disclosed. | 2009-07-30 |
20090190548 | Data transmission in a mobile communication system apparatus, system and method - An apparatus, system, and method may include providing a plurality of data streams in respective subchannels and modulating a first data stream of the plurality of data streams at least partially with a different modulation constellation than a second data stream of the plurality of data streams. The method may also include transmitting the first and second data streams using a same radio resource to user terminals using different subchannels of the radio resource. | 2009-07-30 |
20090190549 | System for packet data service in the mixed network of asynchronous communication network and synchronous communication network and hand-over method thereof - Disclosed herein is a mobile communication terminal and handover method therefor. In the mobile communication system, a Gateway GPRS Support Node (GGSN) of the asynchronous network is connected to a Packet Data Service Node (PDSN) of the synchronous network. Accordingly, as a mobile communication terminal, using packet data service in the asynchronous mobile communication system, moves into an area of a synchronous mobile communication system, the synchronous mobile communication system sets control signals and traffic to transmit packet data in response to a request from the asynchronous mobile communication system. Further, if forward and reverse channels are assigned between the mobile communication terminal and the synchronous mobile communication system, call setup is performed to provide the packet data service, and then a node B of the asynchronous mobile communication system releases the connection to the mobile communication terminal. | 2009-07-30 |
20090190550 | Handover information sent over a public wide area network (e.g. internet) - A basestation ( | 2009-07-30 |
20090190551 | Route Setting Method and Route Management Device - A technology is disclosed in which a QoS path related to a mobile terminal is established via an aggregation domain. When the QoS path is modified in accompaniment to the movement of the mobile terminal, a crossover node present within the aggregation domain is discovered. According to the technology, when a new QoS path is established between a QNE (local terminal) | 2009-07-30 |
20090190552 | FLEXIBLE MOBILE IP FOREIGN AGENT ARCHITECTURE FOR ENABLING CONVERGED SERVICES - A method and apparatus for flexible Mobile IP foreign agent architecture for enabling converged services are described herein. According to one embodiment of the invention, a packet is received over a circuit bound with a converged services domain of a network element. The converged services domain enables forwarding of wired and wireless traffic to a plurality of destination network elements. Upon determining that the circuit is capable of carrying Mobile Internet Protocol (IP) packets, the packet is processed according to an entry ma Mobile IP forwarding information base upon determining that the packet has a corresponding entry in the Mobile IP forwarding information base, and the packet is processed according to a different entry in an IP forwarding information base upon determining that the packet does not have an entry in the Mobile IP forwarding information base. Other methods and apparatuses are also described. | 2009-07-30 |
20090190553 | RADIO COMMUNICATION SYSTEM, RADIO TERMINAL, BASE STATION, AND BASE STATION SEARCH METHOD - A wireless communication system includes a wireless terminal and a plurality of base stations that can communicate with each other via a predetermined communication path that is different from the wireless communication path to the wireless terminal. The wireless terminal transmits a request signal to one of the base stations to request a response signal from another base station. The one base station transfers the received request signal to the other base station via the predetermined communication path. Upon reception of the request signal transferred from the one base station, the second base station transmits a response signal to the wireless terminal via the predetermined channel. The wireless terminal receives the response signal transmitted from the second base station via the predetermined channel. | 2009-07-30 |
20090190554 | METHOD FOR PERFORMING HANDOVER PROCEDURE AND CREATING DATA - A method and device for performing handover by a mobile terminal from a source base station to a target base station, the mobile terminal having a RRC layer, a RLC layer and an PDCP layer. The method includes receiving a handover initiation message; and performing handover from the source base station to the target base station, including reassembling RLC SDUs from at least one PDU when possible and delivering the reassembled RLC SDUs from the RLC layer to an upper layer. | 2009-07-30 |
20090190555 | Handover Method in Wireless Communication System, Mobile Station, and Wireless Communication System - A handover method, in a wireless communication system having a mobile station and a plurality of base stations, for performing handover of the mobile station from a connected base station to a neighbor base station, the method having the steps of: deciding that neighbor base station information non-reception handover is establish; searching a connectable neighbor base station; acquiring identification information for the neighbor base station; transmitting a handover request including the acquired identification information; transmitting, in the connected base station received the handover request, to the mobile station, service level information included with in a handover response, and deciding a handover destination based on the service level information. | 2009-07-30 |
20090190556 | METHOD AND APPARATUS TO FACILITATE HANDOVER - A method and apparatus for handing over a mobile node from a source access point to a target access point is provided herein. During operation the source access point will create handover messages on behalf of the mobile node. When the source access point detects that handover is taking place, the source access point will transmit the appropriate handover message to the mobile node's anchor node. Because the source access point may not have the necessary security credentials to create messages on behalf of the mobile node, in an alternate embodiment of the present invention, the messages are created by the mobile node and stored at the source access point until needed. | 2009-07-30 |
20090190557 | METHOD, DEVICE AND SYSTEM FOR SENDING A RESET MESSAGE SEQUENCE NUMBER DURING SWITCHING - A method of sending reset message sequence number is provided. During a connected state handoff of an access terminal (AT) between a source access network (AN) and a target AN, the source AN sends a reset message sequence number of the AT to the target AN. The source AN adds the reset message sequence number of the AT to the message sent to the target AN. Thereby, the problem in the existing systems that, the source AN cannot send the reset message sequence number of the AT to the target AN, and thus the target AN cannot perform a reset process on the AT when the AT is switched from the source AN to the target AN is thus solved. An access network (AN) and a communication system are also provided. | 2009-07-30 |
20090190558 | METHOD AND APPARATUS FOR LINK ADAPTATION BY STOCHASTICALLY SELECTING A TRANSMIT PARAMETER - A method and apparatus for link adaptation is provided. A node stores a set of transmit parameters and corresponding selection probabilities for each of the transmit parameters. The node stochastically selects a particular transmit parameter based on the selection probabilities, and then transmits a packet according to the particular selected transmit parameter. From received transmission feedback information, the node derives performance statistics, and uses the performance statistics to specify an estimated performance function for the particular transmit parameter. The node updates a selection probability computation function (SPCF), and uses the SPCF to generate updated selection probabilities corresponding to each transmit parameter in the set of available transmit parameters. | 2009-07-30 |
20090190559 | TD-SCDMA BASED SFN NETWORK AND ASSOCIATED METHODS - Networking methods of a Single Frequency Network (SFN) in communication systems are disclosed. | 2009-07-30 |
20090190560 | UPLINK SYNCHRONIZATION REQUEST METHOD IN MOBILE COMMUNICATION SYSTEM, CDMA ALLOCATION IE THEREOF, AND APPARATUS USING THE SAME - The present invention relates to an uplink synchronization request method in a mobile communication system, a CDMA allocation information element structure thereof, and an apparatus using the same. For this purpose the uplink synchronization request method includes: when up-link traffic is generated, determining whether an uplink synchronization error occurs; when the uplink synchronization error occurs, calculating a timing adjustment value; and transmitting a bandwidth request code including the calculated timing adjustment value to a base station and performing a band-width request. According to the present invention, the PSS compares a reference adjustment value and an arrival time of a downlink preamble to calculate uplink synchronization timing and synchronize an uplink of the PSS that requests bandwidth allocation through a bandwidth request ranging process to thereby maximize resource use efficiency in the uplink synchronization. | 2009-07-30 |
20090190561 | BASE STATION DEVICE AND WIRELESS COMMUNICATION METHOD - A base station device and a mobile terminal for improving frequency-utilization efficiency to realize high-speed communication. The base station device forming a cell and performing radio communication with the mobile terminal being present in the cell includes determining unit configured to determine the application of adaptive demodulation and coding only to the radio communication with the mobile terminal present in a part of a predetermined area in the cell and an estimating unit configured to estimate channel state information on the basis of the pilot signal from the mobile terminal, wherein the determining unit determines whether or not the adaptive demodulation and coding is applied to the radio communication with the mobile terminal on the basis of the channel state information estimated by the estimating unit. | 2009-07-30 |
20090190562 | HRPD NETWORK ACCESS AUTHENTICATION METHOD BASED ON CAVE ALGORITHM - A HRPD network access authentication method based on CAVE algorithm is provided. An AT (Access Terminal) generates a random number “RAND” necessary for a calculation of an AUTH | 2009-07-30 |
20090190563 | METHOD AND CIRCUIT FOR CONTROLLING RECEPTION PATH OF MULTI-STANDBY TERMINAL - A method and a circuit for controlling a reception path of a multi-standby terminal are provided. If a first communication module is in a transmission state, all filters disposed in a reception path of a second communication module are activated. If the first communication module is not in a transmission state, fewer than all of the filters disposed in the reception path of the second communication module are activated. A plurality of filters disposed in the reception path of the second communication module are activated partially or fully according to the transmission state of the first communication module. | 2009-07-30 |
20090190564 | COMMUNICATION SYSTEM AND MOBILE HOME AGENT - A technique is disclosed to decrease unnecessary routing during communication between a mobile node and a correspondent node in case a home agent of the mobile node is a mobile home agent. According to this technique, HA | 2009-07-30 |
20090190565 | ACQUISITION OF TIMING INFORMATION IN WIRELESS COMMUNICATION SYSTEMS - A method for identifying a reference point in time in a wireless communication system includes: receiving a first repeated sequence of symbols; receiving a second repeated sequence of symbols; performing an autocorrelation between the first and second sequences of symbols; and identifying as the reference point in time an autocorrelation null between the first and second repeated sequences of symbols. Apparatus for identifying a reference point in time in a wireless communication system includes: means for receiving a first repeated sequence of symbols; means for receiving a second repeated sequence of symbols; means for performing an autocorrelation between the first and second sequences of symbols; and means for identifying as the reference point in time an autocorrelation null between the first and second repeated sequences of symbols. | 2009-07-30 |
20090190566 | METHOD AND APPARATUS OF CONTROLLING ACCESS MODE FOR COMMUNICATION SYSTEM USING SHARED OR UNLICENSED BAND - A technology that can adaptively control an access mode according to a shared band or an unlicensed band used by an adjacent communication system. An access mode controlling apparatus includes a band recognition unit to recognize a usage rate of an unlicensed band or a shared band that is used by an adjacent communication system of a target communication system; a mode determination unit to determine, as an access mode, any one of a contention access mode and a contention-free access mode, based on the usage rate of the unlicensed band or the shared band; and an information transmitter to transmit mode information associated with the determined access mode to member nodes or a base station of the target communication system. | 2009-07-30 |
20090190567 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING BROADCAST SERVICE DATA IN A BROADCASTING COMMUNICATION SYSTEM, METHOD FOR CONFIGURING THE BROADCAST SERVICE DATA, AND FRAME INCLUDING THE BROADCAST SERVICE DATA - An apparatus and method for configuring a broadcast service data in a digital broadcasting communication system are provided. The method includes mapping a first zone, corresponding to broadcast service data of a first type, and a second zone, corresponding to broadcast service data of a second type, in a frame individually. Preferably, the broadcast service data included in the first zone and the second zone is sliced into sub-slices according to a different number of service slicings for each zone. | 2009-07-30 |
20090190568 | APPARATUS AND METHOD FOR RESUMPTION REQUEST OF EXTENDED REAL TIME POLLING SERVICE IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - A method of operating a Base Station (BS) in a broadband wireless communication system to resume an extended real-time Polling Service (ertPS) is provided. The method of operating the BS includes detecting a codeword received through a Channel Quality Indicator (CQI) channel, and upon receiving a CQI CHannel (CQICH) codeword for requesting resumption of an extended real-time Polling Service (ertPS) connection from a Mobile Station (MS), allocating to the MS an uplink resource corresponding to the largest maximum sustainable traffic rate of at least one ertPS connection established to the MS. | 2009-07-30 |
20090190569 | SYNCHRONIZATION OF CALL TRAFFIC IN THE FORWARD DIRECTION OVER BACKHAUL LINKS - Communication networks and methods are disclosed for synchronizing call traffic in the forward direction over backhaul links. Within a communication network, a traffic processing unit is connected to base stations over a plurality of backhaul links. When the traffic processing unit receives reverse call traffic over the backhaul links, the traffic processing unit processes the reverse call traffic to determine a differential delay in receiving the reverse call traffic over the backhaul links. The traffic processing unit then receives forward call traffic. In response to receiving the forward call traffic, the traffic processing unit transmits the forward call traffic over the backhaul links to the base stations based on the differential delay determined for the reverse call traffic. The transmission of the forward call traffic in this manner substantially synchronizes receipt of the forward call traffic at the base stations. | 2009-07-30 |
20090190570 | Methods and Device for Transmitting Data from a First Communication Device to a Second Communication Device - A method of transmitting data from a first communication device to a second communication device is provided. The method comprises transmitting at least one first data portion, transmitting a second data portion synchronized with the transmission of a corresponding data portion of a third communication device to the second communication device, and the transmission of the at least one first data portion being arranged such that it is received by the second communication device before the data portion of the third communication device corresponding to the second data portion. | 2009-07-30 |
20090190571 | Method for Transmitting Measured Data, and Sensor Device - A method for transmitting measured data from a sensor device to a control device is disclosed. The method is distinguished in that synchronization messages sent by the control device can be received in the sensor device and, on the basis of the reception of synchronization messages, the sensor device is put into a synchronous mode (SM) in which the sensor device sends data messages comprising the measured data to the control device in sync with the reception of the synchronization messages. A sensor device is also disclosed which is suitable for carrying out the foregoing method. | 2009-07-30 |
20090190572 | DOWNLINK DATA CONTROL SYSTEM FOR RADIO ACCESS NETWORKS - A service request device includes a transceiver that receives a downlink signal that includes at least one of an unreserved value, a resource status value, and a reserved value from a base station. The downlink signal is transmitted when a non-contention-based resource of the base station is not available for the service request device. A control module initiates a contention-based access procedure that synchronizes the service request device with the base station based on the at least one of the unreserved value, the resource status value, and the reserved value. The transceiver receives packets from the base station in response to the service request device being synchronized with the base station. | 2009-07-30 |
20090190573 | SYSTEM AND METHOD OF PROVIDING IMS SERVICES TO USERS ON TERMINATING NON IMS DEVICES - Disclosed is a network-based device in an IP Multimedia Subsystem (IMS) that provides IMS services to terminating non-IP devices. The method embodiment includes receiving a REGISTER message that initiates registration of a Public User Identity (PUID) at a terminating non-IP device at a network-based device in an IMS, wherein the terminating non-IP device is specified as being at an E.164 routing address, establishing, in a network device that accepts communications regarding where to send sessions destined for a specific PUID and provide information regarding where to send sessions, the E.164 routing address as a final destination of sessions to the PUID based on the registration and an IP address of a network device that includes routing functionality based on telephone numbers as an immediate destination for the session and using this information from the registration to route to the terminating non-IP device after providing IMS services by using the relationship between the PUID, the E.164 routing address and the IP address of the network device that includes routing functionality based on telephone numbers that completes the routing of messages to the terminating non-IP device that was established during registration. | 2009-07-30 |
20090190574 | TELEPHONE FEATURE SELECTION BASED ON FEATURES RECEIVED FROM A SERVICE PROVIDER - Implementations described herein may provide for VoIP phone or server devices, where the phones include visual menus through which a user of the phone can modify options or features relating to the user's account. In one implementation, the phone may receive a data structure defining features relating to communication services for the phone device. The phone may parse the data structure to obtain a menu corresponding to the features and present the menu to a user of the phone device. | 2009-07-30 |
20090190575 | PACKET CAPTURING APPARATUS, PACKET CAPTURING METHOD AND PACKET CAPTURING PROGRAM - A packet capturing apparatus and method are provided. The packet capturing apparatus includes an acquisition part acquiring a voice packet having voice information, after receiving each packet transferred in a network, from received packets. The packet capturing apparatus also includes a measuring part measuring an elapsed time after receiving the acquired voice packet and an acquisition part starting to receive a voice packet transferred in a direction opposite to a transfer direction of the acquired voice packet when the elapsed time reaches a predetermined standby time. | 2009-07-30 |
20090190576 | DATA PROCESSING METHOD AND SYSTEM - A method of managing an IP call between a calling party and a called party, the method comprising receiving, at a gateway, a request to set up the call from the calling party; determining, from the request, a requirement to route the call through an interceptor; forwarding the request from the gateway to the interceptor; setting up an IP call between the interceptor and the called party; setting up an IP call between the interceptor and the calling party; and operating the interceptor as a back-to-back user agent (B2BUA) between the calling party and the called party. | 2009-07-30 |
20090190577 | Providing Session Initiation Protocol Request Contents Method and System - An embodiment provides a user equipment that includes a processor configured to receive a Session Initiation Protocol (SIP) NOTIFY message transmitted by a network component as a result of a registration event. The SIP NOTIFY message contains at least a portion of information included in a first SIP message sent between a first user equipment and the network component. Another embodiment provides method and apparatus for a network node to determine whether filter criteria include one or more indicators that specify the need for information, and including in a second SIP message the information specified by the one or more indicators. | 2009-07-30 |
20090190578 | Routing Methods and Systems Using ENUM Servers - A method of processing a Voice over Internet Protocol (VoIP) call is disclosed. The method includes receiving a Uniform Resource Identifier (URI) associated with a destination telephone number from a telephone number mapping (ENUM) server associated with a third service provider. The method also includes receiving an Internet Protocol (IP) address of a Session Initiation Protocol (SIP) server associated with a second service provider in response to a query by a first service provider to a Domain Name Service (DNS) server. The query is based on the URI. Additionally, the method includes contacting the SIP server using the IP address of the SIP server to set up a bearer path of the VoIP call. | 2009-07-30 |
20090190579 | Service routing decision entity - A service routing decision entity and method are described for a system that comprises a circuit switched subsystem, an Internet protocol multimedia system subsystem and at least one mobile terminal suitable for communication with the two subsystems. The two subsystems provide overlapping services. The service routing decision entity and method are arranged to make a routing decision associated with a given service involving the mobile terminal with respect to routing the given service via one or both of the circuit switched subsystem and the Internet protocol multimedia system subsystem, based on predetermined decision information. | 2009-07-30 |
20090190580 | Method and apparatus for Link aggregation using links having different link speeds - The invention includes a method and apparatus for forwarding a packet from a first node toward a second node using a link aggregation group that includes as plurality of links connecting the first node and the second node. In one embodiment, a method includes selecting one of a plurality of ports of the link aggregation group using a weighting of the ports according to a respective plurality of port speeds of the ports of the link aggregation group and propagating the packet from the first node toward the second node via the selected one of the ports of the link aggregation group. In one embodiment, the port is selected using a port selection table weighted according to the ports speeds of the ports of the link aggregation group. In one embodiment, for each port of the link aggregation group, the number of table entries of the port selection table is substantially proportional to the port speed of that port of the link aggregation group. | 2009-07-30 |
20090190581 | OVERHEAD REDUCTION FOR MULTI-LINK NETWORKING ENVIRONMENTS - A method, computing node, and computer program storage product maintain network routing information. A first node receives a route status request from a second node. A status is stored at the first node indicating that a route from the second node to the first node is valid only in response to receiving the route status request. The first node transmits a route status reply to the second node. | 2009-07-30 |
20090190582 | SYSTEM AND METHOD FOR STREAMING MEDIA IN MASTER OR SLAVE MODE WITH EASE OF USER CHANNEL CONFIGURATION - A streaming media receiving box in a packet network includes a first transceiver to transmit and receive communications over a packet network; a second transceiver to transmit and receive communications over a local area network; and a processor cooperating with the first and second transceivers. The processor can receive a selection to provide a media stream. Further, the processor can operate in a master mode, including responsive to the selection, receiving the media stream from the packet network over the first transceiver; and transmitting the received media stream to another streaming media box over the second transceiver. An alternative slave mode embodiment can be provided. Some embodiments can include both master and slave modes, and can switch between slave and master modes depending on availability of the media stream from another streaming media box operating in master mode. Optionally, ease of user channel configuration is provided. | 2009-07-30 |
20090190583 | Method for Determining Prospective Peering Partners for an Internet Service Provider - A method for determining prospective peering partners for an internet service provider, includes gathering internet service provider's routing and traffic information; gathering additional routing information from sources other than the internet service provider; identifying uncovered target autonomous systems based on the internet service provider's routing and traffic information, the uncovered target autonomous systems being autonomous systems with non-null traffic and that are reachable by the internet service provider via a transit relationship; identifying paths from the internet service provider to the uncovered target autonomous systems based on the additional routing information; identifying intermediate autonomous systems along the identified paths; and determining at least a prospective peering partner for the internet service provider based on the identified intermediate autonomous systems. | 2009-07-30 |
20090190584 | Method, communication arrangement and communication device for transferring information - The invention relates to a method for transferring information from and/or to a subscriber-sided communication device (CPE), wherein at least one first communication relationship (ps | 2009-07-30 |
20090190585 | Message Processing Engine with a Virtual Network Interface - A message processing engine may intercept outgoing and incoming messages by bridging an interface between a virtual network interface and a physical network interface. The message processing engine may have a raw packet analyzer that may determine if a packet is to be processed based on a policy, and then may decode the packet using a first set of protocols, perform a translation in the decoded state, then encode the packet using the same or a different set of protocols. The message processing engine may be used to perform translations to enable two otherwise incompatible devices to communicate as well as apply various protocols including security protocols to communications with another device similarly configured. In many embodiments, the raw packet analyzer may be a service with administrative privileges, but the decoder, encoder, and translator may be operated with user privileges. | 2009-07-30 |
20090190586 | METHOD AND SYSTEM FOR VOTING OPTIMAL ROUTE IN MULTICASTING - The present invention relates generally to multicasting technology in an Internet broadcasting system and, more particularly, to a method and system for voting an optimal route in multicasting, which, when an abnormality, such as the delay or disconnection of a video stream, occurs during the reception of a predetermined or larger amount multimedia data which is multicasted by a main server, in stream form, set the specific one of a plurality of audio transmission routes, that has the highest transmission speed, as a video transmission route, and set the transmission route through a level-down, level-up, or level-shift operation depending on the latency values or threshold values of respective transmission routes, thus allowing a large size multimedia stream to be seamlessly and rapidly transmitted. | 2009-07-30 |
20090190587 | METHOD FOR DEPLOYING MULTICAST NETWORK, MULTICAST NETWORK AND CONTROL SERVER - The present invention discloses a method for deploying a multicast network, which includes a control server, several multicast sources and clients. The method includes: setting a multicast address pool containing several multicast addresses, determining whether a multicast address is assigned to a multicast source requested to be accessed; if no multicast address is assigned to the multicast source, assigning one multicast address in the multicast address pool to the multicast source, and otherwise, notifying a client requesting a multicast stream of the multicast address so that the client uses the multicast address to set up a connection to the multicast source so as to receive the multicast stream sent by the multicast source. The present invention further discloses a multicast network and control server. According to the present invention, not only multicast address resources but also network bandwidth as well as multicast route table entries of forward devices can be saved. | 2009-07-30 |
20090190588 | Data Packet Switching - Embodiments related to switching of data packets have been described. | 2009-07-30 |
20090190589 | FLEXIBLE TIME STAMPING - In an example embodiment, an apparatus comprising a physical layer processing device that comprises logic configured to process a packet received from a physical layer interface is disclosed. The physical layer processing device logic is further configured to determine a preamble portion of the packet and a data portion of the packet. The physical layer processing device logic is further configured to insert a timestamp into the preamble portion of the packet. The physical layer processing device logic forwards the packet with the timestamp inserted into the preamble. | 2009-07-30 |
20090190590 | Server Machine and Network Processing Method - An object of the present invention is to provide a server machine and network processing method capable of running a plurality of same server applications at a time on a single OS in a single sever machine. | 2009-07-30 |
20090190591 | Obtaining Information on Forwarding Decisions for a Packet Flow - In one embodiment, an apparatus comprises one or more forwarding logic components and logic coupled to a plurality of network interfaces. The logic is operable to: receive address information that identifies a packet flow; generate a synthetic packet based on the address information; provide the synthetic packet to the one or more forwarding logic components; retrieve forwarding information that indicates one or more forwarding decisions for the synthetic packet made by the one or more forwarding logic components; and report the forwarding information. Each of the one or more forwarding logic components is operable to make a forwarding decision for the synthetic packet as part of processing packets in the packet flow, and to store, as part of the forwarding information, data indicating the forwarding decision for the synthetic packet that is made by that forwarding logic component. | 2009-07-30 |
20090190592 | TWO-STAGE COMPUTER NETWORK PACKET CLASSIFICATION METHOD AND SYSTEM - A two-stage computer network packet classification method and system is proposed, which is designed for integration to a network system for classification of packets within the network system. The proposed method and system is characterized by the use of a two-stage operation for packet classification; wherein the first-stage operation involves the use of a decision-tree data module whose leaf nodes are used to store a bit vector that represents a cluster of rule groups that are located within a particular cut region in a multidimensional Euclidean space that is mapped to the field values of the input packet; and the second-stage operation involves the use of a bit-vector lookup table data module to retrieve a set of bit vectors which represent a set of possible rules in each rule group and which are intersected to find a matched rule for the input packet. This feature allows the packet classification to be implemented with low memory requirement and enhanced system performance. | 2009-07-30 |
20090190593 | PACKET ANALYSIS METHOD, PACKET ANALYSIS APPARATUS, RECORDING MEDIUM STORING PACKET ANALYSIS PROGRAM - A packet analysis apparatus analyzes content of communication obtained as a result of monitoring or capturing a packet passing through a network. The apparatus has a unit of acquiring source or destination address information from a network layer packet header. The apparatus has a unit of acquiring from the network layer packet header an identifier for which a value that increases monotonously with each sending for each source or destination address information is set. The apparatus has a unit of searching and acquiring an identifier corresponding to address information in a current packet from a storage part holding an identifier in a previous packet corresponding to source or destination address information. The apparatus has a unit of comparing the identifier in the previous packet acquired and the identifier in the current packet and determining that reordering occurs when the identifier in the current packet is smaller. | 2009-07-30 |
20090190594 | PUBLISH-SUBSCRIBE LOOPING DETECTION AND CORRECTION - This system detects and corrects looping problems in a publish-subscribe messaging network. This system requires a token which uniquely identifies a node in this network or universally unique in this messaging network. This system maintains a list of Universally Unique Identifiers (UUID) as a metadata attached to each publish-subscribe message (“publication”). As a node forwards a publication to another node, it is required to append its own UUID to this list or discard the message if its UUID already is in the attached list. Several nodes could form a broker cooperative aggregate node and have a unique identifier for all the nodes in the cooperative if they have an internal mechanism for preventing publication looping. | 2009-07-30 |
20090190595 | METHOD, SYSTEM AND DEVICE FOR TRANSMITTING OVERHEAD INFORMATION - A method for sending overhead information includes: encoding customer information into a 64B/66B customer information code block; encoding configured overhead information into a 64B/66B code block, and marking the code block as an overhead code block; and sending the customer information code block and the overhead code block, where M of every N sent code blocks are overhead code blocks (M and N are positive integers and M is smaller than N). A method for receiving overhead information includes: receiving the 64B/66B code block; identifying the overhead code block according to an identifier of the overhead code block and extracting overhead information from the overhead code block; and decoding the customer information code blocks other than the overhead code blocks and obtaining the customer information. Through the foregoing methods, fixed bandwidth of the overhead information is ensured, and the OAM information transmission performance is improved. | 2009-07-30 |
20090190596 | TRANSPORTING MULTI-BASIC SERVICE SET (BSS) FRAMES OVER WIRED MEDIUM PRESERVING BSS-ID - A method for retaining network address of a wireless client device as the device roams between different access points operably connected to a single gateway is described. An embodiment comprises maintaining a table in the gateway memory containing the unique identifier of the wireless client device sent with each data packet. In addition to, the unique identifier, an entry in the table in the gateway memory includes the communication pathway established between the gateway and the wireless client device. When forwarding a data packet from the WAN to the wireless client device, the gateway uses the table in the gateway memory to determine the correct destination path for the data packet instead of relying on the destination address attached to the data packet. | 2009-07-30 |
20090190597 | DATA ITEM INTERVAL IDENTIFIER LOOKUP METHOD AND SYSTEM - A data item interval identifier lookup method and system is proposed, which is designed for integration to an information processing system for finding which predefined interval the value of an input data item, such as an IP (Internet Protocol) address, belongs. The proposed method and system is characterized by the use of a multi-stage lookup-table data structure having a number of cascaded lookup tables constructed by partitioning the data format of the input data item into a number of segments, each being mapped to one stage of lookup table data structure whose key-value relationships are predefined based on a predefined interval-and-identifier definition table. In operation, the values of the partitioned segments are sequentially used as lookup keys to search through the multi-stage lookup-table data structure until the corresponding interval identifier is found. This feature allows the implementation to have low memory requirement and enhanced system performance. | 2009-07-30 |
20090190598 | ETHERNET ADDRESS MANAGEMENT SYSTEM - A system and method for mapping original Media Access Control (MAC) addresses to unique locally administered virtual MAC addresses in an Ethernet network. A first field of the address may include a domain for the address, and a second field may indicate that the address is a locally administered MAC address. A third field of the address may include an index indicating a number of virtual MAC addresses for each user. Fourth and fifth fields of the address may include a Network Element ID (NE ID) for uniquely identifying a given access node in a given domain, and a Port ID for uniquely identifying an end-user port at the given access node. The system may be implemented in an access node or in a network emulator, which generates unique locally administered MAC addresses for all of the nodes in the Ethernet network for performing emulations of the network. | 2009-07-30 |
20090190599 | Sampling Rules for Information Dissemination - Sampling rules for information dissemination are described which may be applied in a system containing a number of nodes arranged into groups. A target address is selected using one of two methods: selection of an address from the entire address space of the system and selection of an address from a part of the address space which corresponds to set of groups of nodes. The set of groups of nodes is updated when information is successfully disseminated to a node at a target address selected using the first of the two methods. Rules to determine which of the two methods are used for any particular selection operation are also described. | 2009-07-30 |
20090190600 | RELAYING DEVICE, NETWORK SYSTEM, AND NETWORK SYSTEM CONTROLLING METHOD - The first relaying device uses the first port (the second relaying device) for the first priority in the first selecting mode, and uses a port other than the second port (the third relaying device) for the second priority. The first relaying device uses the first port for the first priority and uses the second port for the second priority, in the second selecting mode. In a case where the selecting mode is the first selecting mode, the power mode of the third relaying device is the first power mode wherein the power consumption is relatively small. In a case where the selecting mode is the second selecting mode, the power mode of the third relaying device is the second power mode wherein the power consumption is relatively high. | 2009-07-30 |
20090190601 | VIRTUAL WEB SERVICE - An improved solution for Web services is provided. In an embodiment of the invention, a method for providing a virtual Web service includes: providing a Web service gatekeeper, where the gatekeeper acts as an access point to multiple private internal enterprise environments; and then the gatekeeper receives a request for access to one, or more, of these private internal enterprise environments. | 2009-07-30 |
20090190602 | METHOD FOR DETECTING GATEWAY IN PRIVATE NETWORK AND APPARATUS FOR EXECUTING THE METHOD - Disclosed are a method and apparatus for detecting a gateway in a private network. A gateway detection method includes verifying whether a connectable state exists with respect to at least two Internet environments and detecting a driving of a gateway for connection between a private network and an external network in response to verifying the connectable state with respect to the at least two Internet environments. | 2009-07-30 |
20090190603 | IMS Service Proxy In HIGA - The present invention relates to a communication system (SYS), a gateway apparatus (HiGA) and a method for allowing services of a first type provided by a communication server (IMS-S) to be provided to terminal devices (T | 2009-07-30 |
20090190604 | Method and System for Dynamically Adjusting Acknowledgement Filtering for High-Latency Environments - A system and method for adjusting the filtering of acknowledgments (ACKS) in a TCP environment. State variables are used to keep track of, first, the number of times an ACK has been promoted into (a variable which can be stored on a per-packet basis along with the session ID), and second, the number of times an ACK is allowed to be promoted into (which can be global, or can be stored per-session). | 2009-07-30 |
20090190605 | DYNAMIC COLOR THRESHOLD IN A QUEUE - A network device for dynamically allocating memory locations to plurality of queues. The network device includes means for determining an amount of memory buffers that is associated with a port, for assigning a fixed allocation of memory buffers to each of a plurality of queues associated with the port and for sharing remaining memory buffers among the plurality of queues. The remaining memory buffers are used by each of the plurality of queues after the fixed allocation of memory buffers assigned to the queue is used. The network device also includes means for setting a limit threshold for each of the plurality of queues. The limit threshold determines how much of the remaining memory buffer may be used by each of the plurality of queues. The network device further includes means for defining at least one color threshold for packets including a specified color marking and for defining a virtual maximum threshold. When one of the plurality of queues requests access to the remaining memory buffers and the remaining memory buffers is less than the limit threshold for the queue, the virtual maximum threshold is defined for the queue. The virtual maximum threshold replaces the limit threshold and packets associated with the at least one color threshold are processed in proportion with other color thresholds based on the virtual maximum threshold ceiling. | 2009-07-30 |
20090190606 | SYSTEM AND METHOD FOR POLLING IN ETHERNET PASSIVE OPTICAL NETWORK - Disclosed is a system and a method for polling in an Ether net Passive Optical Network (EPON). The system includes: multiple Optical Network Units (ONUs) for sharing optical channels of the EPON with one another and transmitting traffic; and an Optical Line Terminal (OLT) for discriminating a plurality of ONUs gaining access to the EPON among the multiple ONUs and then collecting routing information on the plurality of ONUs gaining access to the EPON, and for classifying the plurality of ONUs gaining access to the EPON into two or more ONU groups according to the collected routing information and then carrying out forming a polling cycle and allocating bandwidth on each ONU group. Therefore, a transmission idle period in a traffic channel is not only minimized, but an availability ratio of traffic channels can also be maximized. | 2009-07-30 |
20090190607 | METHOD AND APPARATUS FOR TRANSMITTING DATA AND METHOD AND APPARATUS FOR PERFORMING DATA TASK - A method and apparatus for transmitting data and a method and apparatus for performing a task for process migration are provided. The method of transmitting data includes: determining a data transmission priority using at least one of information relating to data needed to continuously perform a task, that is currently performing, in an external device and information relating to data transmission means; determining transmission methods for each data based on the data transmission priority; and transmitting data to the external device according to the determined transmission methods. | 2009-07-30 |
20090190608 | Communication apparatus and method for controlling communication channel used - A sender communication device includes a communication unit for sending a communication signal to a receiver communication device, and a communication controller for controlling setting of communication channels used for the communication unit as well as for setting, when sending the communication signal, a sending period of the communication signal substantially not shorter than a receive confirmation period of all communication channels in the receiver communication device. A receiver communication device includes a communication unit for receiving the communication signal sent from the sender communication device while switching over plural communication channels, and a communication controller for controlling switching of the communication channels and for setting a communication signal receive-waiting opportunity, in which a first communication channel is used, substantially higher than a receive-waiting opportunity, in which a second communication channel is used. It is thus possible to avoid radiowave interference while saving electric power and lowering delay. | 2009-07-30 |
20090190609 | Bit and power allocation scheme for full-duplex transmission with echo cancellation in multicarrier-based modems - The present invention provides a method, data modulator, modem, computer readable medium and system for allocating bits to sub-carriers of data channel frequencies for spectrally efficient full-duplex transmission. Bits are allocated successively to a plurality of sub-carriers for a data channel based on minimal power consumption, a power mask for each sub-carrier, a bit capacity of each sub-carrier, and a predetermined data rate. Allocation of bits is ceased when at least one of: a predetermined total power budget has been substantially exhausted, power masks for the plurality of sub-carriers have been substantially exhausted, bit capacities for the plurality of sub-carriers have been substantially exhausted, and the predetermined data rate has been reached. | 2009-07-30 |
20090190610 | Circuit emulation over an IP interworking VLL - A method of circuit emulation over an IP interworking VLL, and related system, the method including one or more of the following: configuring a circuit emulation port with one or more logical interfaces; configuring one or more channels on each of the one or more logical interfaces; configuring the one or more channels with a destination IP address; configuring the one or more channels with a destination UDP port number; specifying an Ipipe VLL for each of the one or more channels; determining TDM traffic to go onto the specified Ipipe; packetizing TDM traffic; encapsulating the TDM traffic with encapsulation; inserting one or more packets of the TDM traffic into an IP interworking VLL; sending the one or more packets through the Ipipe; stripping the encapsulation from the one or more packets of the TDM traffic; and forwarding the one or more packets to a destination. | 2009-07-30 |
20090190611 | FLOW CONTROL IN A NETWORK DEVICE - A network device includes output rate control logic having variable bandwidth and a response time constant that increases according to an amount of time that an input rate of data to the network device is evaluated by the control logic. | 2009-07-30 |
20090190612 | APPARATUS FOR DYNAMIC HEADER COMPRESSION AND METHOD THEREOF - Provided are an apparatus for a dynamic header compression and a method thereof. The method for a dynamic header compression includes: receiving a received packet having a header from an upper layer; comparing header information of the received packet with header information of a previous packet; when a suppression part of the received packet is the same as a suppression part of the previous packet, compressing the received packet based on a predetermined header suppression rule; and when the suppression part of the received packet is not the same as the suppression part of the previous packet, transmitting the received packet without compression. | 2009-07-30 |
20090190613 | SUPPORTING EFFICIENT AND ACCURATE SYNC/FOLLOWUP TIMESTAMPS - In one embodiment, a physical (PHY) layer (lower protocol stack layer) of a device may add a timestamp to a received frame, and pass the frame and timestamp up the protocol stack toward a synchronization (sync) recognition layer (upper protocol stack layer). The sync recognition layer determines whether the frame relates to synchronization, and if so, places the timestamp into a data structure along with a frame association for recovery by followup processing. Conversely, in another embodiment, the sync recognition layer may add to a frame for transmission a frame ID having an indication of whether to timestamp the frame and may pass the frame and frame ID down the protocol stack toward the PHY layer. The PHY layer determines whether the frame ID indicates that the frame is to be timestamped, and if so, places a timestamp corresponding to frame transmission into a data structure with the frame ID. | 2009-07-30 |
20090190614 | JITTER BUFFER ADAPTATION BASED ON AUDIO CONTENT - A system and method for discarding or inserting audio frames in a jitter buffer is described. The system and method provides improved audio quality as compared to conventional jitter buffer management systems. In one embodiment, buffer control logic determines whether to discard audio frames to be stored in a jitter buffer or to insert audio frames among audio frames to be output from a jitter buffer based not only on the number of audio frames currently stored in the jitter buffer but also based on the power of the current audio frame to be stored in or output from the jitter buffer. The system and method is generally applicable to any wireless or wired communication system in which audio signals are transmitted between entities operating in different clock domains. | 2009-07-30 |
20090190615 | HIGH POWER PULSED FIBER LASER - A high power fiber laser includes a pump source optically coupled to a first fiber laser, which is in turn optically coupled to a second fiber laser. The pump source is adapted to generate light, which is received by the first fiber laser and used to generate a first pulsed output. The first pulsed output is directed into the second fiber laser and is used to generate a second pulsed output. The first fiber laser includes a multi-mode fiber, while the second fiber laser includes a single mode fiber. | 2009-07-30 |
20090190616 | Laser device - A laser device includes an outcoupling mirror, a laser medium, a phase-conjugate mirror based on stimulated Brillouin scattering, and an end mirror all arranged along an optical axis of the laser device. A controllable modulator is positioned between the phase-conjugate mirror and the end mirror. The outcoupling mirror and the end mirror form a start cavity. The outcoupling mirror and the phase-conjugate mirror form a main cavity. | 2009-07-30 |
20090190617 | LASER LIGHT INTENSITY CONTROL DEVICE, LASER LIGHT INTENSITY CONTROL METHOD, AND IMAGE FORMING APPARATUS - A disclosed laser light intensity control device includes a semiconductor laser configured to scan a photoconductor by emitting laser beams and form an electrostatic latent image, a temperature detection circuit configured to detect a temperature of the semiconductor laser, a light intensity detection circuit configured to detect a light intensity of the laser beams emitted from the semiconductor laser, a first drive circuit configured to supply the semiconductor laser with a first current that drives the semiconductor laser, a second drive circuit configured to supply the semiconductor laser with a second current that is superimposed on the first current, and a control circuit configured to control the first drive circuit and the second drive circuit. | 2009-07-30 |