52nd week of 2009 patent applcation highlights part 30 |
Patent application number | Title | Published |
20090316641 | BASE STATION DEVICE, MOBILE STATION DEVICE, PROGRAM, UPLINK SYNCHRONIZATION REQUESTING METHOD, AND SYNCHRONIZATION-SHIFT MEASUREMENT SIGNAL TRANSMITTING METHOD - A base station device includes: a re-synchronization factor detector that detects an uplink re-synchronization factor of a mobile station device; a data controller that generates, when the re-synchronization factor detector detects the uplink re-synchronization factor, data in which information indicative of an uplink synchronization request addressed to the mobile station device is set to a region on a radio frame to which parameters to be used for synchronous communication with the mobile station device are to be set; and a transmitter that transmits data generated by the data controller. | 2009-12-24 |
20090316642 | BASE STATION DEVICE, MOBILE STATION DEVICE, PROGRAM, UPLINK SYNCHRONIZATION REQUESTING METHOD, AND SYNCHRONIZATION-SHIFT MEASUREMENT SIGNAL TRANSMITTING METHOD - A base station device includes: a re-synchronization factor detector that detects an uplink re-synchronization factor of a mobile station device; a data controller that generates, when the re-synchronization factor detector detects the uplink re-synchronization factor, data in which information indicative of an uplink synchronization request addressed to the mobile station device is set to a region on a radio frame to which parameters to be used for synchronous communication with the mobile station device are to be set; and a transmitter that transmits data generated by the data controller. | 2009-12-24 |
20090316643 | BASE STATION DEVICE, MOBILE STATION DEVICE, CONTROL INFORMATION TRANSMISSION METHOD, CONTROL INFORMATION RECEPTION METHOD AND PROGRAM - In a radio system which allocates resources using as units resource blocks which are formed by frequency components and time components, control information for mobile station devices, and identification information which is used to identify a format for a control information transmission channel which transmits the control information is transmitted from the base station device to the mobile station devices by means of the control information transmission channel. | 2009-12-24 |
20090316644 | Reduced Time Packet Transmission in a Wireless Communications System - System and method for reducing acquisition time of packets in a FDD system, such as a spread-spectrum or OFDM system. A remote unit transmits a multi-tone packet. The multi-tone packet has a plurality of tones with each tone having a different power level, and at a different frequency, from other tones in the plurality of tones. The base station receives the multi-tone packet. The base station compares the plurality of tones from the received multi-tone packet to a threshold or other selection criteria. A tone is selected from the plurality of tones meeting desired selection criteria. Based on the selected tone, the base station transmits a BS packet with the BS packet having power information from the power level of the selected tone. | 2009-12-24 |
20090316645 | METHOD FOR CONNECTING MOBILE STATION TO BASE STATION, MOBILE STATION, BASE STATION, MULTI-CARRIER MOBILE COMMUNICATION SYSTEM, AND RANDOM ACCESS CHANNEL MAPPING METHOD - As a random access channel (RACH), two types of RACHs, a synchronous RACH and an asynchronous RACH are prepared, condition of a mobile station is classified depending on whether there is temporal synchronization in the mobile station and whether a resource is allocated, and depending on each case, any one of the synchronous RACH/the asynchronous RACH/uplink shared control channel (USCCH) is adaptively selected to carry out connection processing. | 2009-12-24 |
20090316646 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - To prevent a collision from occurring at the time of random access in cases such as handover, response to paging and the like where a mobile station apparatus performs random access in response to directions from a base station apparatus. In a mobile communication system in which a mobile station apparatus | 2009-12-24 |
20090316647 | CONTROL AND DATA INFORMATION COMMUNICATION IN A WIRELESS SYSTEM - A method of transmitting data information and control information is provided. The method includes encoding the control information and encoding the data information. The method further includes modulating the control information and modulating the data information. The method further includes spreading the modulated control information using a spreading code to generate spread control information. The method further includes superimposing the spread control information with the modulated data information. The method further includes transmitting the modulated data information with the superimposed spread control information. | 2009-12-24 |
20090316648 | METHOD OF UPLINK PACKET SCHEDULING AND SUPPORTING THEREOF IN WIRELESS MOBILE COMMUNICATION SYSTEM - A method of uplink packet scheduling in a wireless mobile communications system and method of supporting the same are disclosed, scheduling efficiency can be enhanced in case that one base station schedules uplink packet transmission to a user equipment which is in soft handover with a plurality of base stations. A method of uplink packet scheduling, which is for a user equipment in a soft handover state in a wireless mobile communications system, includes the steps of transmitting a NACK signal in response to an uplink packet transmitted from the user equipment, receiving instruction information for a reception result of the uplink packet in at least one base station from the user equipment or at least one different base station, and performing the uplink packet scheduling for the user equipment by considering the instruction information. | 2009-12-24 |
20090316649 | SELF-CONFIGURATION FOR FEMTOCELLS - Systems and methodologies are described that facilitate automatically configuring femtocells based at least in part on signals transmitted by other femtocells and macrocells. In particular, a femtocell can receive signals from neighboring cells, much like a mobile device, and determine communications parameters used. The parameters can be channel identifiers, pseudo-noise (PN) offsets, and the like. The femtocell can subsequently configure its communication parameters to vary from those detected in the neighboring signals, or to match those of neighboring signals where the parameters relate to the communications environment, for example. Thus, the femtocell self-configures to mitigate interference with surrounding femtocells and/or macrocells. | 2009-12-24 |
20090316650 | FAST HANDOVER METHOD USING L2/L3 COMBINATION - Provided is a fast handover method using a layer 2 (L2) and layer 3 (L3) combination. When a mobile node moves from a present region to another region, fast handover of the mobile node is provided using a location update function between handover control agents (HCAs), and data bicasting from an old HCA wherein the mobile node performs handover to a new HCA. | 2009-12-24 |
20090316651 | METHOD OF MULTI-PHASE CALL ADMISSION CONTROL ON WIRELESS INTERNET SYSTEM USING ACTIVE SET - Provided is a method of multi-phase call admission control on a wireless Internet system using an active set. The method includes the steps of: a) periodically checking, at one base station, active user sets of the base station and neighboring base stations to extract at least one terminal existing simultaneously in the respective active user sets of the predetermined base stations among the checked base stations for a predetermined period of time, and managing the extracted terminal as a stationary active user set; b) checking whether resources for the stationary active user set are available upon exhaustion of resources reserved for new and handover calls; and c) accepting a corresponding call when the resources are available, and rejecting the corresponding call when the resources are not available. | 2009-12-24 |
20090316652 | UTILIZING SYSTEM ACCESS SEQUENCES TO REQUEST RESOURCES FOR GCI REPORTING IN WIRELESS NETWORKS - Systems and methodologies are described that facilitate indicating global cell identifier (GCI) reporting in wireless communication to mitigate confusion caused by physical cell identifier (PCI) reporting in heterogeneous deployments. In particular, mobile devices can report GCI of access points to disparate access points to facilitate communication therebetween, such as during handover. Mobile devices can indicate GCI reporting during a system access request by selecting an access sequence corresponding to subsequent GCI reporting. Based on the access sequence, an access point can grant additional resources to receive the GCI, and the mobile device can communicate GCI over the resources. Using the GCI, the access point can communicate with a disparate access point related to the GCI. | 2009-12-24 |
20090316653 | Methods and Apparatuses for Performing Random Access in a Telecommunications System - The present invention relates to methods and apparatuses (radio base station and UE) for enabling a UE to perform a contention-based random access. According to embodiments of the present invention, a non-dedicated random access preamble identifier is determined by a radio base station and the determined preamble is transmitted in a message to the UE which selects a non-dedicated random access preamble based on the received preamble identifier and performs a contention-based random access using the selected preamble. | 2009-12-24 |
20090316654 | ACCESS TERMINAL ASSISTED NODE IDENTIFIER CONFUSION RESOLUTION USING A TIME GAP - Confusion resulting from assigning the same node identifier to multiple nodes is resolved through the use of confusion detection techniques and the use of unique identifiers for the nodes. In some aspects a network may provide a time gap (e.g., an asynchronous time gap) during which an access terminal may temporarily cease monitoring transmissions from a source node so that the access terminal may acquire a unique identifier from a target node. In some aspects an access terminal may commence handover operations at a target node after determining whether the access terminal is allowed to access the target node. In some aspects a source node may prepare several target nodes for potential handover in the event confusion is detected or likely. Here, the source node may send information relating to the preparation of the potential target nodes to the access terminal whereby the access terminal uses the handover preparation information to initiate a handover at that target node. | 2009-12-24 |
20090316655 | ACCESS TERMINAL ASSISTED NODE IDENTIFIER CONFUSION RESOLUTION - Confusion resulting from assigning the same node identifier to multiple nodes is resolved through the use of confusion detection techniques and the use of unique identifiers for the nodes. In some aspects a network may provide a time gap (e.g., an asynchronous time gap) during which an access terminal may temporarily cease monitoring transmissions from a source node so that the access terminal may acquire a unique identifier from a target node. In some aspects an access terminal may commence handover operations at a target node after determining whether the access terminal is allowed to access the target node. In some aspects a source node may prepare several target nodes for potential handover in the event confusion is detected or likely. Here, the source node may send information relating to the preparation of the potential target nodes to the access terminal whereby the access terminal uses the handover preparation information to initiate a handover at that target node. | 2009-12-24 |
20090316656 | Mechanism for 3rd Generation Partnership Project Multiple Inter-Network Quality of Service Continuity - A system to promote connectivity for inter-radio access technology (RAT) handover from a first radio access network (RAN) to a second radio access network (RAN) is provided. The system comprises a component configured such that for each access point name (APN) in communication with the first radio access network (RAN), the maximum bit rate (MBR) for each active non-guaranteed bit rate (non-GBR) bearer in the second radio access network (RAN) is determined based on each respective access point name's (APN's) used aggregate maximum bit rate (AMBR) and the number of active non-guaranteed bit rate(s) (non-GBR) bearers for the respective access point name (APN). | 2009-12-24 |
20090316657 | CONCENTRATOR FOR MULTIPLEXING ACCESS POINT TO WIRELESS NETWORK CONNECTIONS - Systems and methodologies are described that facilitate multiplexing communications from multiple downstream access points to one or more mobility management entities (MME). In particular, a concentrator component is provided that can establish a single transport layer connection with an MME along with multiple application layer connections over the single transport layer connection for each of multiple downstream access points and/or related mobile devices. The downstream access points and/or mobile devices can provide identifiers to the concentrator component, which can utilize the identifiers to track communications with the MME. In this regard, the MME can additionally include identifiers received from the concentrator component in subsequent communications to facilitate identifying the appropriate downstream access point and/or mobile device. | 2009-12-24 |
20090316658 | MOBILE NETWORK HANDOVER INITIATION - Methods and systems to monitor wireless signal strengths associated with wireless access points, and to initiate a handover procedure upon one or more thresholds. A handover may be initiated prior to a loss of an existing network connection. | 2009-12-24 |
20090316659 | Identifying Multi-Component Carrier Cells - Methods and apparatus for generating and determining multi-component carrier cells, without the use of neighbor-cell lists, are described. Methods for generating and informing a communication system terminal about other component carriers belonging to a certain cell identity (ID), and methods and apparatus for a mobile terminal utilizing extended synchronization information for doing multi-component carrier cell search are described. Also, methods for multi-component carrier measurements and methods of reporting such measurements to a network are described. | 2009-12-24 |
20090316660 | METHOD, SYSTEM, AND APPARATUS FOR HANDOVER AMONGST PLURALITY OF COMMUNICATION NETWORKS - A method, system, and apparatus for enabling handover of a Mobile Station (MS) amongst a plurality of communication networks is provided. The MS operates in one or more communication networks of the plurality of communication networks using an Internet Protocol (IP) session. The method includes communicating one or more network parameters amongst the plurality of communication networks. The method further includes creating one or more datapath parameters based on one or more of the one or more network parameters. The method further includes altering one or more protocol stack parameters in the MS. Altering the one or more protocol stack parameters maintains the IP session operating the MS in the one or more communication networks. | 2009-12-24 |
20090316661 | RADIO TERMINAL, RADIO BASE STATION AND RADIO COMMUNICATION METHOD - Disclosed is a radio terminal including: a message transmitter-receiver configured to transmit and receive an IEEE 802.21 message using a protocol of a layer lower than an IP layer to and from a target radio base station for handover before an IP address acquisition unit acquires a new IP address; and a quality measurement unit configured to measure a radio communication quality including at least one of transmission delay and jitter in a radio communication path between the radio terminal and the target radio base station by using the IEEE 802.21 message transmitted and received by the message transmitter-receiver. | 2009-12-24 |
20090316662 | W-CDMA COMMUNICATION SYSTEM AND METHOD OF CONTROLLING CQI TRANSMISSION CYCLE - A base station ( | 2009-12-24 |
20090316663 | TRANSMISSION POWER CONTROL METHOD OF UPLINK PACKET DATA TRANSMISSION - A mobile station (MS) transmits a first data flow to a first group of base stations with a first power offset, transmits a second data flow to a second group of base stations, and further transmits a pilot signal. A radio network controller (RNC) controls the power of the pilot signal power based on reception errors of the second data flow, calculates the first power offset based on signaled required level of the first power offset from base stations (BTS) of the first group which calculate the required level of the first power offset based on an occurrence of retransmission, and signals the calculated first power offset to the mobile station. | 2009-12-24 |
20090316664 | Method for Synchronizing PDCP Operations after RRC Connection Re-establishment in a Wireless Communication System and Related Apparatus Thereof - A method used in an E-UTRAN for synchronizing PDCP operations after a RRC connection re-establishment procedure with a user equipment (UE) is provided. The method includes: initiating an RRC reconfiguration procedure to resume all radio bearers other than a signaling radio bearer | 2009-12-24 |
20090316665 | DOWNLINK TRANSMISSION SYNCHRONIZATION AND DATA BUFFER SIZING IN A RADIO ACCESS NETWORK - Method and apparatus are disclosed for calculating a target connection frame number (CFN) for a data frame in wireless communications. An update to an offset between the CFN and a radio access network frame number is computed. A target CFN variable is incremented in response to a received timer signal. The value of an update variable is checked to determine whether a new value of the offset has been received since a previous update to the offset. A new target CFN is calculated using a current target CFN and the new value of the offset on a condition that the new value of the offset has been received. The current target CFN is set equal to the new target CFN. | 2009-12-24 |
20090316666 | RADIO COMMUNICATION SYSTEM AND MOBILE STATION DEVICE - A mobile station device transmits a random access preamble to a base station device and performs uplink timing alignment based on the synchronization timing deviation information included in a random access response which the base station device transmits in response to the transmitted random access preamble, wherein in an uplink synchronous status, the mobile station device does not perform uplink timing alignment based on synchronization timing deviation information included in a random access response, which is a response to a random access preamble whose preamble ID is randomly selected by the mobile station device. | 2009-12-24 |
20090316667 | GSM HARMONIC EMISSION DESENSITIZATION IN 5-GHZ WLAN - A method for improving data communication quality in collocated GSM and WLAN subsystems. The GSM device can spuriously emit third harmonics whose frequencies depends on which GSM channel is presently being used. The WLAN receiver uses OFDM subcarriers that can be interfered with by third harmonics of particular ones of the GSM channels. Which OFDM subcarriers would be adversely affected by a particular one of the GSM channels being in use is computed. Then a corresponding particular OFDM subcarrier is deleted after a FFT process and before Viterbi decoding. | 2009-12-24 |
20090316668 | Method for generating extented route message, method for generating an extended route reply message, extended route request message, extended route reply message and first and second nodes - Route discovery of a route from a source node of an IEEE 802 connection to a destination node of an IEEE 802 connection, including a mesh network path with a source node of the mesh path and a destination node of the mesh path, is initiated by an extended route request message generated by the destination node. The extended route request message includes a flag that indicates whether the source node of the IEEE 802 connection is located inside or outside the mesh network, and either one source address of the source node, if the node is inside the mesh network, or two source addresses covering (a) the source address of the source node of the mesh path and (b) the source address of the source node of the IEEE 802 connection, if the node is outside the mesh network. | 2009-12-24 |
20090316669 | Method, Device And System For Selecting A Wireless Access Network On The Basis Of Environment Information, Computer Program And Corresponding Data Support - The method of selecting a wireless access telecommunication network in a global link between a first terminal ( | 2009-12-24 |
20090316670 | Element-Based Method for Auto-Configuration of Handsets by a Base Station in a Heterogeneous Mac Protocol for Wireless Networks - An element-based method to automatically configure mobile handsets by the base station using a protocol that combines contention-free and contention-based MAC protocols for use in wireless VoIP systems with multiple base stations is disclosed. | 2009-12-24 |
20090316671 | Method and Apparatus of Transmitting, Receiving, Displaying and Playing Weather Data - A transmitter transmits time synchronized data via a pager/WiMax/802.x access to a receiver system, wherein the receiver system is programmed to receive data for specific geographic locations. The geographic locations may be specified by the user or by the receiver system, and includes state, zip codes, towns, counties, towns, or cardinal regions. The receiver is able to find its location when outside its cell region and is able to synchronize to the data transmitted in the new cell region. Further, the receiver system is able to remotely monitor weather data and other information at a different location via wireless Internet or voice over IP. A transceiver may also be used to receive weather or alert data. In response to receiving data, the transceiver transmits the data to low powered devices in a house using a different frequency band than the frequency band it received the data. | 2009-12-24 |
20090316672 | Fixed Mobile Convergence (FMC) With PDIF and SIP Gateway - Apparatus and methods are described for establishing a connection to a wireless subscriber network over a wireless LAN. A secure tunnel is established between a PDIF and a mobile station. Both voice and data calls are exchange via the tunnel. Voice calls are forwarded to a SIP GW while data calls are routed to the Internet. | 2009-12-24 |
20090316673 | VEHICULAR COMMUNICATION GATEWAY - A system for enabling secure access to an in-vehicle gateway module includes a mobile wireless transceiver on the vehicle in communication with the gateway module, and at least one stationary wireless transceiver in communication with a home computer system, for example, as part of the vehicle owner's home network, or via an internet connection to the home network. The home computer system authenticates all data transfer to and from the vehicle gateway module while preferably also providing a “server” or information consolidation function. | 2009-12-24 |
20090316674 | METHOD AND APPARATUS FOR DEMODULATION OF QAM SIGNAL USING SYMBOL-SPECIFIC AMPLITUDE REFERENCE ESTIMATION - According to the teachings presented herein, “spreading code” knowledge is used in forming amplitude references for QAM demodulation in a DS-CDMA receiver. Here, “spreading code” broadly refers to spreading/channelization codes, scrambling codes, or the product of such codes. Further, these teachings apply to any linear DS-CDMA demodulator, such as Rake, Generalized Rake (G-Rake), or chip equalizer, and to nonlinear demodulators that employ linear filtering, such as decision feedback equalizers (DFEs). Advantageously, the determination of symbol-specific amplitude references relies on shared correlation estimates and/or shared combining weights that are common to two or more symbols of interest, thereby significantly reducing processing requirements as compared to the use of symbol-specific impairment correlation estimates. | 2009-12-24 |
20090316675 | UPLINK PILOT MULTIPLEXING IN SINGLE USER MIMO AND SDMA FOR SINGLE CARRIER FREQUENCY DIVISION MULTIPLE ACCESS SYSTEMS - Systems and methodologies are described that facilitate adaptive uplink pilot multiplexing schemes. In various embodiments, frequency position and pilot channel bandwidth can be adaptively varied in a block over time based on the uplink channel data, such as the number of streams to be multiplexed. Thus, the provided adaptive uplink pilot multiplexing schemes provide flexible uplink pilot allocation schemes while maintaining single carrier waveform for improved transmit power efficiency and orthogonality of pilots within blocks for improve channel estimation and suppression of interference. | 2009-12-24 |
20090316676 | Method and Apparatus for Coupled Sounding - In accordance with an example embodiment of the present invention, an apparatus, comprising a processor configured to derive a time period; and a transmitter configured to transmit a first signal and a second signal to a network element, wherein the second signal is coupled to the first signal in a predetermined way within the time period, is disclosed. | 2009-12-24 |
20090316677 | Mobile Radio Apparatus - An mobile radio apparatus includes a data division section configured to divide an input data into a plurality of block data of different sizes, an encoding section configured to encode each block data, a rate matching processing section configured to adjust a division size of each encoded block data to a rate matching size so as to fit to a communication channel size, and a rate matching calculation section configured to obtain a rate matching size for each block data according to a ratio of the division sizes of the block data. | 2009-12-24 |
20090316678 | RADIO COMMUNICATION SYSTEM AND MOBILE STATION DEVICE - A mobile station device transmits a random access preamble to a base station device and performs uplink timing alignment based on the synchronization timing deviation information included in a random access response which the base station device transmits in response to the transmitted random access preamble, wherein in an uplink synchronous status, the mobile station device does not perform uplink timing alignment based on synchronization timing deviation information included in a random access response, which is a response to a random access preamble whose preamble ID is randomly selected by the mobile station device. | 2009-12-24 |
20090316679 | Broadcast-only distributed wireless network - Communication in a broadcast-only distributed wireless network of nodes is provided. Each of the nodes of the network uses a repeated communication frame with an idle period and a TDMA schedule for active communication. The active TDMA schedule of at least some of the nodes in the network are aligned and synchronized. The distributed network does not require a central node for coordinating the TDMA schedules of another node or for synchronizing the communication frames. TDMA slots of the TDMA schedule are used for broadcasting and receiving messages. A node broadcasts a message without the use of an address of the receiving node. Communication frames having dynamic properties, such as communication frame length and start time, TDMA schedule position and length, and idle period position and length, are provided. Distributed functions for nodes to search for and synchronize with other nodes are also provided. | 2009-12-24 |
20090316680 | TDS-OFDMA COMMUNICATION CINR ESTIMATION - In a TDS-OFDM communications system, within a frame time, a transmitted signal comprising a preamble, a downlink sub-frame, and an uplink sub-frame. Within the downlink sub-frame, interposed between sub-frames are guard intervals that have known sequences positioned therein. The known sequences are used for an estimation of a received power. A method comprising the step of using a guard sequence in a guard interval of OFDM symbols of the received TDS-OFDM signals in the downlink or the uplink to estimate a received signal power and using the estimated signal power to calculate a CINR is provided. | 2009-12-24 |
20090316681 | TECHNIQUES TO MANAGE PRESENCE INFORMATION BASED ON ROUTING RULES - Techniques to manage presence information based on routing rules are described. An apparatus may comprise a presence management component operative to manage presence information for a presentity. The presence management component comprises a presence interface module operative to receive a routing rule for a communication event for a presentity node used by a presentity. The presence management component also comprises a presence control module communicatively coupled to the presence interface module, the presence control module operative to determine presence state information based on the routing rule. The presence management component further comprises a presence publish module communicatively coupled to the presence control module, the presence publish module operative to publish the presence state information to multiple watcher nodes. Other embodiments are described and claimed. | 2009-12-24 |
20090316682 | NETWORK WATERMARK - A network communications method utilizing a network watermark for providing security in the communications includes creating a verifiable network communications path of nodes through a network for the transfer of information from a first end node to a second end node; verifying the network communications path of nodes, by the first end node, before communicating by the first end node information intended for receipt by the second end node; and once the network communications path of nodes is verified by the first end node, communicating by the first end node, via the verified communications path of nodes, the information intended for receipt by the second end node; wherein the network watermark represents the verifiable network communications path of nodes. | 2009-12-24 |
20090316683 | METHOD FOR SETTING UP AN EMERGENCY CALL IN A COMPUTER LOCAL AREA NETWORK, TERMINAL AND SERVER FOR IMPLEMENTING THE METHOD - If a given terminal (IPP | 2009-12-24 |
20090316684 | Method for a Network Component to Route a Communication Session - A network node is provided. The network node includes a component configured to use a value in a Session Initiation Protocol message. The value indicates a supported transport addressing scheme and is used to determine whether to route a related communication session through a transport addressing scheme translation component. | 2009-12-24 |
20090316685 | Communication system - A method of communicating user participation status information for a communication event in a communication system is provided. The method comprises: transmitting a group communication event connection request from one user of the communication system to a plurality of second users of the communication system; detecting if at least one of said second users has established a communication event connection in response to receiving the request; generating a notification message indicating the participation status of said at least one second user, wherein said participation status indicates if said at least one second user has established a communication event connection in response to receiving the request; and transmitting the notification message to at least one other of said second users. | 2009-12-24 |
20090316686 | Communication system - A method is provided of authorising a user of a communication system to be added to a group communication event. The method comprises: selecting a group of users of the communication system; initiating from a host node the group communication event with the group of users; responsive to receiving a group communication acceptance from at least a first user in the group, establishing the group communication event with the first user in the group; receiving at the host node a communication set up request from another user of the communication system; analysing the communication set up request to determine if said communication set up request is associated with said group communication event initiated by the host node; and adding said other user to the group communication event if it is determined that the communication set up request is associated with said group communication event. | 2009-12-24 |
20090316687 | PEER TO PEER INBOUND CONTACT CENTER - A system and method for implementing a contact center on a device node connected to a data network. The system includes a peer-to-peer inbound contact center system that executes in each device node to enable peer-to-peer connections between users making interaction requests at a requesting device and a destination interaction endpoint. Device nodes may be VoIP telephones, computers having soft-phones, computers having a CTI-enabled PBX interface to implement CTI-enabled telephones as interaction endpoints. | 2009-12-24 |
20090316688 | METHOD FOR CONTROLLING ADVANCED MULTIMEDIA FEATURES AND SUPPLEMTARY SERVICES IN SIP-BASED PHONES AND A SYSTEM EMPLOYING THEREOF - A method for controlling the advanced multimedia features and supplementary services, such as integration with Internet TV powered by online advertising including interactive video, banner, text ads, online tracking tool which tracks users behaviour, along with various features of communication and infotainment like Phone calls including PC to PC, PC to land line, PC to mobile and vice versa, Video Phone, Chat & TV (Internet Television), on-line shopping/store with facilities like searching of web, follow me facility, world clock and adding of favorites etc that are implemented within Internet Protocol (IP) based telephony technology using Session Initiation Protocol (SIP) for its communications. Moreover the present application provides an interactive solution by offering free talk time to the users based on the duration of watching of the internet television, using and interacting with the disclosed soft phone and also incorporating some viewer friendly solutions for entertainment, communication across the globe. | 2009-12-24 |
20090316689 | JITTER BUFFER AND JITTER BUFFER CONTROLLING METHOD - A jitter buffer controlling method includes a data writing step, a data buffering step and a data reading step. The data writing step and the data reading step are executed synchronously and repeatedly. The data writing step includes detecting whether a data packet that comprises a series of voice data frames is normally received, and calculating a storage address for each of the voice data frames. The data buffering step includes buffering the voice data frames, and storing each of the voice data frames in a corresponding storage address calculated in the data writing step. The data reading step includes transmitting the voice data frames to a voice digital signal processor (VDSP) for playing. | 2009-12-24 |
20090316690 | Method for Delivering Device and Server Capabilities - A method is provided for delivering the capabilities of user agents. The method includes a user agent sending a session initiation protocol (SIP) message containing a Contact Header containing a Push Resource Identifier feature tag containing at least one push resource. | 2009-12-24 |
20090316691 | METHOD AND APPARATUS FOR ENABLING PEER-TO-PEER COMMUNICATION BETWEEN ENDPOINTS ON A PER CALL BASIS - A method and apparatus for enabling a user to signal to the network that a call to be initiated or a call that is in progress needs to occur in a peer-to-peer relationship with the terminating endpoint. The network will then remove itself from the call signaling and media path and direct the signaling and media communication to occur directly between the two endpoints. | 2009-12-24 |
20090316692 | UNIFIED RECEPTION AND PROCESSING OF MULTI-PROTOCOL COMMUNICATION SERVICES - A method and an apparatus and server for the receipt of a message addressed to a single identifier for forwarding to a customer is described in which the message uses one of a plurality of message formats, The method comprises receiving the message at a receiving one of a plurality of receivers in one or more of a plurality of telecommunications networks in accordance with the one of the plurality of message formats, wherein the message uses one of a plurality of message formats, the one of the plurality of message formats being independent of the single identifier, passing the message from the receiving one of the plurality of receivers to a central platform and forwarding the message from the central platform to the customer, wherein the single identifier is chosen from a plurality of identifiers provided to the central platform by the one or more telecommunications networks, the single identifier being assigned to the customer. The apparatus comprises a plurality of receivers for receiving the message, a central platform connected to the plurality of receivers, and a connection to the customer for forwarding the message from the central platform to the customer. The central platform comprises a central server and a central database server comprises a database for managing the identifiers. | 2009-12-24 |
20090316693 | Convergence of Ancillary Call Services Across Multiple Communication Domains - A method for communication in an environment including a circuit-switched network and a packet-switched network, both of which include a respective connectivity layer including one or more switching elements and a respective service layer including one or more service platforms. A request is accepted to set up a call for a communication terminal associated with one or more of the networks. The call is established responsively to the request via one or more of the switching elements. At least one service platform in the service layer of the circuit-switched network is invoked to provide a first ancillary call service to the call, and at least one second service platform in the service layer of the packet-switched network is invoked to provide a second ancillary call service to the call. | 2009-12-24 |
20090316694 | TWO-DIMENSIONAL CIRCULATING SWITCH - A one-dimensional circulating switch may be defined by connections between several switch modules and one or more temporal cyclic rotators. Where a switch module that is part of a first one-dimensional circulating switch is also connected one or more temporal cyclic rotators that define a second one-dimensional circulating switch, a two-dimensional circulating switch is formed. A two-dimensional circulating switch is flexible and may scale to capacities ranging from a few gigabits per second to multiple Petabits per second. | 2009-12-24 |
20090316695 | Method For Accessing Integrated Services By An Access Network - The present invention relates to a method for accessing integrated services by an access network, including: establishing at least one Multi-Protocol Label Switching (MPLS) Label Switch Path (LSP) in a broadband access network; MPLS encapsulating at a broadband access node a service to be transmitted, and transmitting the encapsulated service in the broadband access network via the LSP. As MPLS is a technology for providing multi-layered connection, in the embodiments of the present invention, MPLS is utilized as the means for networking of broadband access network and private line passing through the core network, so that the problem faced by the broadband access network serving as the bearer network of integrated services can be solved, the integrated services of video, voice, data and private line (including IP private line, and traditional private lines of ATM (Asynchronous Transfer Mode), TDM (Time Division Multiplexing) and FR (Frame Relay)) can be carried over the broadband access network at a lower cost. | 2009-12-24 |
20090316696 | METHOD FOR DELIVERING 1X NETWORK PAGING IN HIGH RATE PACKET DATA NETWORK - The present invention discloses a method for delivering paging from 1X network in HRPD (High Rate Packet Data) network, and the Secondary Color Code scheme is applied in the present invention, which enables the AN in which a MS/AT is registered to send an A13-paging request message to other adjacent ANs which are together therewith used for paging a mobile phone. For a MS/AT at multiple AN boundary, with the present invention, it enhances the possibility of receiving the paging through HRPD air interface control channel due to the service originated from 1X network, and can ensure the double network operation ability. | 2009-12-24 |
20090316697 | Pre-Dropping of a Packet if Its Time-To-Live (TTL) Value is Not Large Enough to Reach a Destination - Disclosed are, inter alia, methods, apparatus, computer-storage media, mechanisms, and means associated with pre-dropping of a packet if its Time-To-Live (TTL) value is not large enough to reach a destination, such as, but not limited to, its destination if it is a unicast packet, or at least one more destination for a multicast packet. A packet switching device maintains associations between (a) nearest receiving node distances and (b) prefixes or complete addresses. If a packet does not have enough TTL to reach an intended recipient identified by a corresponding nearest receiving node distance, then the packet is dropped even though the TTL has not expired. In this manner, some bandwidth and other network resources are not wasted on traffic that will timeout via the TTL mechanism before reaching a subsequent intended recipient. | 2009-12-24 |
20090316698 | PROCESSING OF PACKET FRAGMENTS - In one embodiment, the present invention is a technique for processing fragments received at a node (e.g., a router) in a datagram-based communication system in order to provide a wide range of protection against potential fragment-based attacks. Received fragments are examined as they are received to verify that they do not overlap one another and that the fragment sequence does not exploit common weaknesses in IP packet-reassembly algorithms. Valid fragment sequences that represent potential threats to the receiver can be reordered and/or fully or partially re-assembled and re-fragmented into a fragment sequence that eliminates or reduces the threat to the receiver. Fragmented sequences that represent a likely attack are blocked, as are subsequent fragments of the associated packet. | 2009-12-24 |
20090316699 | NETWORK CLUSTERING - A network clustering facility is described. The network clustering facility receives a message having a location identification that identifies a destination for the message and comprises at least two components, selects a network node identified by the components of the location identification, determines whether a link exists to the selected network node, and identifies a best link to the selected network node. The network clustering facility comprises a clustering subsystem, an advertising subsystem, and a routing layer. | 2009-12-24 |
20090316700 | CASCADED MEMORY TABLES FOR SEARCHING - Devices, systems, methods, and other embodiments associated with cascaded memory tables for searching are described. In one embodiment, an integrated chip is implemented with two or more address tables. The two or more address tables are implemented with separate memory tables to store addresses. The two or more address tables are comprised of a first address table and a second address table. Connection lines connect the first address table and the second address table to create a cascaded address table. Search logic initiates a search of the first address table for an address. If the address is not found, the search logic initiates a search of the second address table through the connection lines. | 2009-12-24 |
20090316701 | METHOD FOR CONNECTING IP-BASED USN WITH CONVENTIONAL IP NETWORK - An Internet protocol (IP)-based ubiquitous sensor network (USN) system is disclosed. The IP-based USN includes a plurality of sensor nodes having unique IP addresses and an IP-USN router. The IP-USN router has a table that stores each location address of the sensor nodes and periodically broadcasts its own presence information for updating the location addresses stored in the table. The sensor nodes in the IP-based USN system have unique IP addresses. Therefore, desired information and services from any external network may be obtained. | 2009-12-24 |
20090316702 | Method and system for managing a network having multiple domains - Exemplary embodiments are directed to a system and method for managing a network having multiple domains. An exemplary method includes identifying a router interface connected with a switch; assigning a Layer 2 identifier to the interface, wherein the identifier uniquely identifies a Layer 2 domain within the network; and assigning the Layer 2 identifier to the switch. | 2009-12-24 |
20090316703 | MODEM SYSTEM AND METHOD - A modem and communication method between a wide area network (WAN) and a client device receives a communication data packet from the WAN or the client device, and removes a virtual local area network identification (VLAN ID) of the communication data packet in response to a determination that a VLAN ID of the communication data packet does not identify a local area network port of the modem. The modem and communication method further translates an IP address of the communication data packet having no VLAN ID, and transmits the translated communication data packet to the client device or the WAN using a network access translation port of the modem. Furthermore, the modem and communication method transmits the communication data packet containing the VLAN ID to the client device or the WAN using the LAN port. | 2009-12-24 |
20090316704 | APPARATUS AND METHOD FOR A VIRTUAL HIERARCHIAL LOCAL AREA NETWORK - A method and apparatus are provided for creating a virtual hierarchical local area network. The method and apparatus provide a hierarchical framing technique that allows a network architecture to realize a local area network hierarchy within the network. In this manner, a first local area network hierarchy is defined by communication in a first frame format between a first set of network devices and a second set of network devices. A second local area network hierarchy is defined by communication in a second frame format between members of the second set of network devices. The second frame format includes the fields of a frame in the first frame format that is used to communicate between the first set of communication devices and the second set of communication devices. | 2009-12-24 |
20090316705 | Quality of Service in Vlan-Based Access Networks - In a broadband access network multiple end users connected to access nodes are linked to multiple service providers connected to an edge node. Packet transmitted across the network contain a quality of service identifier specifying a relative QoS or priority or an absolute QoS, defining minimum quality of service parameters required for handling the packet. The access network is preferably divided into separate virtual local area networks (VLANs) providing separate broadcast domains for the various end users. Each packet transmitted on the access network is VLAN-tagged with QoS identifier contained in this tag. When an access node or edge node receives an incoming data unit that specifies an absolute quality of service, the node determines that there is sufficient bandwidth through the access network to the destination node by querying other nodes in the network directly or indirectly through a bandwidth broker before accepting the service and transmitting the packet. | 2009-12-24 |
20090316706 | STRUCTURED PREMISE NETWORKING SYSTEM - A data network to manage the distribution of network services and content throughout a home or residence is described. Generally, the data network includes a media gateway to receive, manage, and distribute services and content throughout the residence. The media gateway may include a structured wiring panel, a services switch to manage the network, and a communications module to provide an interface between the services switch and the residence. | 2009-12-24 |
20090316707 | Services Switch Form Factor - A media gateway to distribute network services and content throughout a home or residence is described. Generally, the media gateway includes a structured wiring panel, a services switch mounted within the structured wiring panel to receive network services from one or more network service providers, and to distribute the network services to a number of data outlets located at the residence. The media gateway may also include one or more patch panels mounted within the structured wiring panel to provide connectivity between the services switch and the data outlets, and an uninterruptable power supply (UPS) mounted within the structured wiring panel to supply backup electrical power to the services switch and/or one or more of the plurality of data outlets in the event of a main power failure. | 2009-12-24 |
20090316708 | TECHNIQUES TO MANAGE A RELAY SERVER AND A NETWORK ADDRESS TRANSLATOR - Techniques to manage a relay server and a network address translator are described. A system may include a relay server having a first private network interface operative to communicate with a private client, a second private network interface operative to communicate with a network address translator, and an enhanced relay manager module operative to receive a message from the private client over the first private network interface or a remote client over the second private network interface and through the network address translator, the enhanced relay manager module further operative to retrieve a public transport address and a mapped port for the network address translator from a mapped address attribute stored by the relay server, and send a response to the message with the public transport address and the mapped port to the private client or the remote client. Other embodiments are described and claimed. | 2009-12-24 |
20090316709 | DEVICES AND METHODS FOR A VIRTUAL INTERNET PROTOCOL TELEVISION (VIPTV) - A communication system according to various exemplary embodiments can include a broadcast station. At least one encoder can be coupled to the broadcast station, wherein the at least one encoder is configured to encode in real-time signals generated from the broadcast station and to convert the signals into Transmission Control Protocol/Internet Protocol (TCP/IP) data packets. At least one server can be coupled to the at least one encoder for transmitting the TCP/IP data packets over a virtual connection between the at least one server to a content distribution network. | 2009-12-24 |
20090316710 | ADDRESS PROTOCOL RESOLUTION OF ROUTER DEVICE - An address resolution protocol method of a router device comprising steps of: (a) Proving an Internet domain to connect a plurality of computers and a router device. (b) Accepting an address resolution protocol due to the router device, and the address resolution protocol has a sender Internet protocol address (SIPA) and a target Internet protocol address (TIPA). (c) Comparing the SIPA to have the internal domain. (d) Sending to an Internet resolution protocol (IRP) within the Domain Name of Internet network, and to send the IRP to compare with the internal control protocol address. (e) Corresponding with the SIPA of the internet address; renewing the one of the data of the location of the address due to the router device; the SIPA not to correspond with the data of the internet address; the router device to save the SIPA. | 2009-12-24 |
20090316711 | PACKET SWITCHING - In an embodiment, an apparatus is provided that may include an integrated circuit including switch circuitry to determine, at least in part, an action to be executed involving a packet. This determination may be based, at least in part, upon flow information determined, at least in part, from the packet, and packet processing policy information. The circuitry may examine the policy information to determine whether a previously-established packet processing policy has been established that corresponds, at least in part, to the flow information. If the circuitry determines, at least in part, that the policy has not been established and the packet is a first packet in a flow corresponding at least in part to the flow information, the switch circuitry may request that at least one switch control program module establish, at least in part, a new packet processing policy corresponding, at least in part, to the flow information. | 2009-12-24 |
20090316712 | Method and apparatus for minimizing clock drift in a VoIP communications network - A method and apparatus for minimizing clock drift between un-synchronized clocks which may occur at opposing ends of a communication link established in, for example, a Voice over Internet Protocol (VoIP) communications network, especially for use with, for example, a FAX or modem terminal device. The illustrative system employs two or more clocks, wherein at least one of these clocks operates at an intentionally higher frequency than the nominal clock frequency (e.g., 8 kHz) and wherein at least one of these clocks operates at an intentionally lower frequency than the nominal clock frequency. In operation, the illustrative system alternatively chooses one of the clocks, in order to attempt to match the clock of the far-end terminal device on average. The state and/or history of the receiving device's associated jitter buffer may be advantageously used to determine which clock to select. | 2009-12-24 |
20090316713 | COMMUNICATION APPARATUS IN LABEL SWITCHING NETWORK - In a label switching network using a plurality of labels, a communication apparatus receives signaling information for setting a first label switching tunnel. This signaling information includes one or more values of one or more labels representing one or more pseudowires accommodated in a first label switching tunnel, the bandwidth information of the pseudowire, and the bandwidth-sharing identifier. A bandwidth management table holding correspondence relationships between values of a plurality of labels, the bandwidth information, and the bandwidth-sharing identifiers are generated. One or more second label switching tunnels may be accommodated instead of one or more pseudowires. | 2009-12-24 |
20090316714 | PACKET RELAY APPARATUS - In a packet relay apparatus equipped with a hierarchical bandwidth control function, a queuing unit of a bandwidth controller for controlling a bandwidth of a packet to be transmitted recognizes user information for identifying a user from VLAN ID of a received Tag-VLAN packet, acquires queue information representative of a queue position by referring to a priority mapping table by using a user priority order in the packet, and queues the packet to the queue identified by the user information and queue information. Bandwidth control can therefore be performed without searching a QoS information management table. | 2009-12-24 |
20090316715 | METHODS AND APPARATUS FOR SELF-ORGANIZED CACHING IN A CONTENT DELIVERY NETWORK - Methods and apparatus are provided for self-organized caching in a content delivery network. One or more requested content items are cached at a node in a content delivery network. The disclosed method determines if the content item is stored in a local cache; and, if the content item is not stored in a local cache, the following steps are performed: requesting the content item from another node; and storing the content item in the local cache it one or more predefined capacity criteria are satisfied. The content delivery network can be a hierarchical network or a non-hierarchical network. The predefined capacity criteria can evaluate a popularity index of the content item relative to other items stored in the local cache. | 2009-12-24 |
20090316716 | SCHEDULING SYSTEM AND SCHEDULING METHOD FOR THE SAME - A schedule management table is additionally provided in a scheduling system comprising: a time slot for specifying, in slots, the cell transfer sequence of individual lines in one turn; a cell read sequence management table having elements to which the lines are set as cell transfer objects; schedule computation means for controlling the setting of the lines to the cell read sequence management table; and allocation processing means for converting the elements of the cell read sequence management table to specified positions of the slots in the time slot. The schedule management table indicates positions, within the cell read sequence management table, to which transfer object lines are newly set, for each PCR (peak cell rate) value. The scheduling system can reduce the necessity of update of the cell read sequence management table and can execute data transfer which assures the rate of each ATM line. | 2009-12-24 |
20090316717 | FEATURE ADAPTABLE NT CARD - A network termination card is provided which allows new services to be implemented on the DSLAM on which the network termination card is located without restricting the number of slots used for line termination cards. Software controlled multiplexers are provided on some ports of the switch on the network termination card, and a daughter card connector is provided on the network termination card. When a new service is to be implemented, a specialized daughter card implementing the service can be connected to the daughter card connector. The multiplexers can then be configured to allow the necessary number of ports from the switch to communicate with the daughter card connector, while other multiplexers can be configured to retain communication between the switch and normal components of the DLSAM. The invention allows flexibility in which and how many ports of the switch are used to communicate with the daughter card, thereby allowing a new service to be implemented via the DLSAM without limiting communication between the switch and other regular components beyond what is necessary. | 2009-12-24 |
20090316718 | Multi-Port Ethernet Transceiver - According to one embodiment, an Ethernet physical interface transceiver comprises a link interface configured to be segmented into one or more active ports. First circuitry is configured to transmit and receive data either at a relatively high data rate via a single active port of the link interface when the transceiver is configured in a first mode or at a relatively low data rate via at least two different active ports of the link interface when the transceiver is configured in a second mode. Second circuitry is configured to communicate with a media access controller either at a relatively high data rate when the transceiver is configured in the first mode or at a relatively low data rate when the transceiver is configured in the second mode. Clock circuitry is configured to independently synchronize operation of each active port of the link interface. | 2009-12-24 |
20090316719 | METHOD FOR MANAGING MECHANISMS TO ENHANCE TRANSMISSION OF DATA STREAMS IN A TUNNEL, CORRESPONDING COMPUTER PROGRAM PRODUCT, STORAGE MEDIUM AND TUNNEL END-POINT - A method is proposed for the management of mechanisms to enhance data stream transmission on a tunnel supported by a main communications network, the transmission of each stream being done according to a frame transport protocol with acknowledgment, the tunnel being implemented between first and second tunnel end-points connected respectively to first and second sub-networks, each stream being transmitted from a sender device to a receiver device through the tunnel, one of the devices which are the sender device and the receiver device being connected to the first sub-network and the other being connected to the second sub-network. The method comprises the following steps performed by the tunnel end-point for a given stream: first partial determining of a nature and a location of a problem of transmission for the given stream enabling first pieces of information to be obtained on a problem by analysis of the given stream; receiving second pieces of problem information coming from the second tunnel end-point and resulting from a second partial determining of the transmission problem performed by the second tunnel end-point; final determining of the nature and location of the transmission problem by combination of the first and second pieces of problem information; managing the transmission enhancement mechanisms as a function of the result of the final determining. | 2009-12-24 |
20090316720 | Controller and adapters to enable unlike device integration - A device that schedules the transmission of information between system components, paired with different data adapters, allows for a system that can transmit data between unlike devices. The system focuses on allowing electronic devices to be used in more facets than the intended application. A user is able to hook up multiple source devices including computers, cable boxes, heating systems, et. al. and interact with them on different output devices. Based on the output device television, speakers, monitors, et. al. and the control device, i.e. a remote, keyboard, Wii Mote™, et. al. the interaction with the source device will be tailored to provide the most natural interaction. This will also allow unlike devices to be used together in order to create a synergistic effect. | 2009-12-24 |
20090316721 | METHOD AND SYSTEM FOR FACILITATING APPLICATION-ORIENTED QUALITY OF SERVICE IN A FIBRE CHANNEL NETWORK - One embodiment of the present invention provides a system that facilitates quality of service (QoS) in a Fibre Channel (FC) network. During operation, a host bus adaptor (HBA) allocates the bandwidth on an FC link between the HBA and an FC switch into a plurality of logical channels, wherein a respective logical channel can transport data frames of variable length. Furthermore, a respective logical channel is associated with a dedicated buffer on the HBA. The HBA associates data frames from a logical entity associated with the HBA with a logical channel, and transmits data frames from the logical entity to the FC switch on the corresponding logical channel within the link from the HBA to the FC switch. | 2009-12-24 |
20090316722 | Multi-Mode Ethernet Transceiver - According to one embodiment, an Ethernet communication device is configured to be connected to one or more twisted-pair links, each twisted-pair link having a particular capacity. The Ethernet communication device includes a physical interface transceiver. The physical interface transceiver sets a data transmission rate of the Ethernet communication device based on a total capacity of the twisted-pair links connected to the Ethernet communication device. The physical interface transceiver transmits data over the twisted-pair links connected to the Ethernet communication device at the data transmission rate. | 2009-12-24 |
20090316723 | COMMUNICATION SYSTEM, COMMUNICATION DEVICE AND COMMUNICATION METHOD USED THEREFOR - In a communication system which communicates between communication apparatuses by using a transmission path in which a bandwidth varies, a plurality of communication lines are grouped into a plurality of multiplex groups based on priorities of data to be transmitted. The communication system includes a detecting section configured to detect a variation of the bandwidth of said transmission path; and a closing section configured to close or release said communication lines of each of said plurality of multiplex groups based on the detected variation. | 2009-12-24 |
20090316724 | Electronically configurable interface - A physical interface that is electronically configurable to transfer information according to any protocol of a pre-defined set of at least two protocols is disclosed. Moreover, electronic configuration of such a physical interface to transfer information according to any protocol of a pre-defined set of at least two protocols is disclosed. | 2009-12-24 |
20090316725 | ENHANCED FRAME AGGREGATION IN A WIRELESS NETWORK SYSTEM - Variable-length information-containing frames (e.g., MPDUs) are aggregated into a bitstream using frame delimiters to distinguish the frames. Aggregation and frame extraction techniques are provided that support recovery from bit errors that may be present in a frame delimiter. One class of techniques involves providing redundant length information in the frame delimiters, e.g., by using multiple copies of a length field or error correction codes usable to correct errors in the length field. The receiver can use the redundant information to detect and correct errors in the length field. Another receiver-side technique iteratively attempts to locate the end of the corresponding frame when a corrupt frame delimiter is detected. Conventional synchronization fields may be eliminated. | 2009-12-24 |
20090316726 | APPARATUS AND METHOD FOR DATA TRANSMISSION - Local concentration of accessing loads on a data buffer during data cell reading is reduced. Also, by providing sufficient time for a data cell reading operation with respect to data cell transmission timing, transmission rate fluctuation of CBR data cells in a transmitting side is reduced. When transmission of a new data stream is added, controller in a cell control unit refers to a transmitted data cell count of VC information processed through a slot immediately before. The controller determines whether a data cell transmitted through the slot immediately before is a head portion of a packet or not. If the data cell transmitted through the slot immediately before is the head portion of the packet, the controller only adds the VC information of the data stream to a shaper link list, and withholds transmission of the data cell. On the other hand, if the data cell transmitted through the slot immediately before is not the head portion of the packet, then the controller adds the VC information of the data stream, and transmits the data cell. | 2009-12-24 |
20090316727 | Real-Time Optimization of TX FIR Filter for High-Speed Data Communication - A feedback module is defined to receive as input a set of data sample signals and a set of reference sample signals. Each of the data and reference sample signals is generated by sampling a differential signal having been transmitted through a FIR filter. The feedback module is defined to operate a respective post cursor counter for each post cursor of the FIR filter and update the post cursor counters based on the received sets of data and reference sample signals. Also, the feedback module is defined to generate a tap weight adjustment signal for a given tap weight of the FIR filter when a magnitude of a post cursor counter corresponding to the given tap weight is greater than or equal to a threshold value. An adaptation module is defined to adapt a reference voltage used to generate the reference sample signals to a condition of the differential signal. | 2009-12-24 |
20090316728 | METHOD AND APPARATUS TO ENCODE AND SYNCHRONIZE A SERIAL INTERFACE - The present disclosure is generally directed to a method and apparatus to communicate data between two or more semiconductor devices. In an embodiment, a method includes synchronizing a master device with a slave device, where the master device includes a semiconductor device. Synchronizing includes transmitting a first synchronization marker data pattern via a first serial interface from the master device at a first time, and receiving a second synchronization marker data pattern via a second serial interface at the master device at a second time in response to transmitting the first synchronization marker data pattern. Synchronizing also includes determining, based at least in part on the first time and the second time, a third time when a reply is to be received by the master device in response to a request transmitted from the master device to the slave device. | 2009-12-24 |
20090316729 | Synchronising Serial Data Signals - A method and apparatus for synchronising a serial data signal to a reference clock signal, the data signal comprising frames of equal length each comprising a known frame alignment word (FAW) and a payload, the frame alignment word being in a consistent position within each frame, the method comprising: storing the signal in a FIFO wander buffer as it is received in order to compensate for any wander that may occur; outputting the data signal stored in the FIFO wander buffer synchronised to the reference clock signal; searching for at least a portion of the frame alignment word in the data signal as it is received; and when it is determined that the frame alignment word has been found, realigning the data signal within the wander buffer The step of realigning the data may comprise replacing at least a portion of the data signal in the wander buffer with a locally-held copy of at least a portion of the frame alignment word. The method may be used in any synchronous serial data stream, such as SDH or SONET. | 2009-12-24 |
20090316730 | Method, Adjusting Apparatus and System for Improving Line Stability - A method for improving line stability, an adjusting apparatus and a system are provided. The method includes determining an Operating Performance Value (OPV) on a current Digital Subscriber Line (DSL); and if the OPV is below a preset Target Performance Value (TPV), adjusting Management Information Base (MIB) parameters in a line template. The apparatus includes a determining unit and an adjusting unit. With the provided method, apparatus, and system, the error correction capability of the DSL line can be updated with the actual bit error ratio to adapt to a complex environment and to improve the line stability. | 2009-12-24 |
20090316731 | METHOD AND SYSTEM FOR DUAL DIGITAL MICROPHONE PROCESSING IN AN AUDIO CODEC - Methods and systems for dual digital microphone processing in an audio CODEC are disclosed and may include demultiplexing one or more received time-multiplexed digital audio signals from one or more digital microphones, and separately processing each of the demultiplexed digital audio signals. The digital microphones may include microelectromechanical (MEMS) microphones. The demultiplexed digital audio signals may be level-converted, downshifted, and/or filtered. The filtering may include a finite impulse response (FIR) filter. A sampling rate of the one or more demultiplexed digital audio signals may be converted by repeating the demultiplexed digital audio signals. Audio beamforming and/or diversity processing may be performed utilizing the digital microphones. | 2009-12-24 |
20090316732 | FIBER OPTIC POWER LASER DEVICE - A power fibre laser device includes a power laser diode emitting a pump wave, an optical resonator including fully reflective and partially reflective ends, an amplifying multimode optical fibre, and an optical element coupling the pump wave in the multimode optical fibre. The optical resonator includes at least one submodule consisting of a spatial filtering element and including an optical element having a definite position in the optical submodule so as to enable the optical submodule to reproduce, after a round trip of the laser beam, the amplitude and phase of the fundamental mode of the multimode optical fibre to the input or output face of the multimode optical fibre, whereby minimising losses in the fundamental mode, and enabling the optical submodule to filter the other modes, producing additional losses in the modes in the optical resonator, whereby minimising the number of laser modes that propagate in the optical resonator. | 2009-12-24 |
20090316733 | OPTICAL FIBER FOR A FIBER LASER AND FIBER LASER USING THE SAME - The present invention provides an optical fiber, for use in a fiber laser, from which a high-quality single-mode laser beam with high optical power is obtained and also provides a fiber laser that uses the optical fiber. The novel optical fiber, which includes a core to which a rare earth element is doped and a cladding formed around the core, amplifies excitation light to oscillate a laser beam. A mode filter is formed at a predetermined position in the longitudinal direction of the optical fiber. | 2009-12-24 |
20090316734 | Laser Device Comprising Means for Controlling the Phase of a Large Number of Coherent Sources - The invention relates to a laser device comprising a number of fibre amplifiers ( | 2009-12-24 |
20090316735 | MODE-LOCKED SOLID-STATE LASER APPARATUS - In a mode-locked laser-diode-excited laser apparatus: a solid-state laser medium is arranged at a distance of at most twice the Rayleigh range from a saturable absorbing mirror with a depth of absorbing modulation of at least 0.4%; the total intracavity dispersion is smaller than zero and makes oscillating light have such a pulse bandwidth that the saturable absorbing mirror can suppress a background pulses other than soliton pulses repeated with a fundamental repetition period, and the magnitude of the total intracavity dispersion has a predetermined relationship with a pulse width of the oscillating light; and an output mirror is a negative-dispersion mirror being constituted by three or more multilayer mirrors and cavity layers arranged at predetermined intervals between the three or more multilayer mirrors, and causing a mirror dispersion of −3000 fsec | 2009-12-24 |
20090316736 | MODE-LOCKED SOLID-STATE LASER APPARATUS - In a mode-locked laser-diode-excited laser apparatus: a solid-state laser medium is arranged at a distance of at most twice the Rayleigh range from a saturable absorbing mirror with a depth of absorbing modulation of at least 0.4%; the total intracavity dispersion is smaller than zero and makes oscillating light have such a pulse bandwidth that the saturable absorbing mirror can suppress a background pulses other than soliton pulses repeated with a fundamental repetition period, and the magnitude of the total intracavity dispersion has a predetermined relationship with a pulse width of the oscillating light; and an output mirror is a negative-dispersion mirror being constituted by two multilayer mirrors and a cavity layer sandwiched between the two multilayer mirrors, and causing a mirror dispersion of −3000 fsec | 2009-12-24 |
20090316737 | MODE-LOCKED SOLID-STATE LASER APPARATUS - In a mode-locked laser-diode-excited laser apparatus: a solid-state laser medium is arranged at a distance of at most twice the Rayleigh range from a saturable absorbing mirror with a depth of absorbing modulation of at least 0.4%; the total intracavity dispersion is smaller than zero and makes oscillating light have such a pulse bandwidth that the saturable absorbing mirror can suppress a background pulses other than soliton pulses repeated with a fundamental repetition period, and the magnitude of the total intracavity dispersion has a predetermined relationship with a pulse width of the oscillating light; and an output mirror is a negative-dispersion mirror in which high-index layers and low-index layers, having optical thicknesses randomly varying in the range of one-eighth to half of the predetermined wavelength, are alternately laminated, and the negative-dispersion mirror causes a mirror dispersion of −1000 fsec | 2009-12-24 |
20090316738 | DEVICE FOR AMPLITUDE AND PHASE PROGRAMMING OF LONG LIGHT PULSES WITH NARROW SPECTRAL BAND STARTING FROM A MODULATOR OF SHORT LIGHT PULSES WITH WIDE SPECTRAL BAND - Device for adaptation of a programmable generator of ultra short wide spectral band light pulses, to long narrow spectral band light pulses comprising a laser source ( | 2009-12-24 |
20090316739 | OPTICAL WAVELENGTH CONTROL CIRCUIT AND METHOD - In an optical wavelength control circuit, an activation control circuit outputs an optical output setting signal to a laser unit to set its optical output, and simultaneously outputs a temperature setting signal and a wavelength setting signal. A temperature error detection circuit outputs a temperature error signal. A wavelength error detection circuit outputs a wavelength error signal. A control switching circuit receives the temperature error signal and the wavelength error signal, selectively outputs the temperature error signal as a control error signal in the activation operation, and selectively outputs the wavelength error signal as the control error signal in a steady-state operation after the activation operation. A steady-state error removing circuit removes a steady-state error contained in the control error signal and outputs a temperature controller control signal. A temperature controller driving circuit drives a temperature controller of the laser unit in accordance with the temperature controller control signal. | 2009-12-24 |
20090316740 | Light Source That Utilizes Small Footprint Reference Gas Cells for Multiple Laser Frequency Stabilization - A light source and the method for operating the same are disclosed. The light source includes first and second lasers, and first and second wavelength control assemblies. The lasers emit first and second light beams, respectively, at wavelengths that are determined by first and second wavelength control signals. First and second beam splitters split the first and second light beams, respectively, to create first and second sampling light beams. The first and second wavelength control assemblies receive sampling light beams and generate the first and second wavelength control signals such that the wavelengths of the first and second light beams differ by no more than a predetermined amount. The first and second wavelength control assemblies each include an absorption cell having a gas that has an optical absorption that varies with the wavelength of the first and second sampling light beams at wavelengths around the output wavelength of the light source. | 2009-12-24 |