38th week of 2010 patent applcation highlights part 30 |
Patent application number | Title | Published |
20100238861 | RADIO COMMUNICATION TERMINAL - A radio communication terminal includes a link-usage level calculating section that calculates usage level of a radio link, and a data reception continuation/suspension determining section that determines continuation of data reception or suspension of data reception according to the level of usage calculated by the link-usage level calculating section. The link-usage level calculating section calculates a current usage level indicating a level of usage of the radio link associated with current data reception in the radio communication terminal. The data reception continuation/suspension determining section determines continuation of data reception when the current usage level is equal to or higher than a reference level of usage being a threshold and determines suspension of data reception when the current usage level is lower than the reference level of usage. | 2010-09-23 |
20100238862 | REAL-TIME NETWORK NODE LOCATION SYSTEM AND METHOD - A real-time location system and method for a wireless network includes, in one embodiment: (a) obtaining received signal-strength indicator measurements between stationary routers and mobile devices; (b) determining the relative angles of mobile devices from stationary routers using directional antenna systems; and (c) using signal strength and angle information to calculate the location of mobile devices. | 2010-09-23 |
20100238863 | Method and Apparatus for Power Headroom Reporting - A method for performing Power Headroom Reporting (PHR) in a user equipment (UE) of a wireless communication system is disclosed. The wireless communication system supports Carrier Aggregation (CA), which enables the UE to perform transmission through multiple carriers. The method includes steps of configuring a plurality of uplink carriers, and generating at least one PHR values, each corresponding to one of the plurality of uplink carriers. | 2010-09-23 |
20100238864 | MOBILE TERMINAL, NETWORK NODE, AND PACKET TRANSFER MANAGEMENT NODE - A technique is disclosed, according to which a race condition between a PMIPv6 binding by a PBU message of PMIPv6 and a CMIPv6 binding by a BU message of CMIPv6 can be resolved. MN | 2010-09-23 |
20100238865 | Data Burst Communication Techniques For Mobile Communication Devices Operating In Packet Data Sessions - In one illustrative example, a mobile communication device receives and decodes a plurality of packet data bursts over a packet data channel of a serving cell. While receiving and decoding the packet data bursts, the mobile communication device also receives and decodes a plurality of broadcast data bursts over a broadcast control channel of a neighbor cell. When a time conflict exists between receiving and decoding at least one of the packet data bursts and receiving and decoding at least one of the broadcast data bursts, the mobile communication device receives and decodes the at least one packet data burst instead of the at least one broadcast data burst when no imminent call drop between the mobile communication device and the serving cell is identified. On the other hand, the mobile communication device receives and decodes the at least one broadcast data burst instead of the at least one packet data burst when an imminent call drop between the mobile communication device and the serving cell is identified. | 2010-09-23 |
20100238866 | Method for Routing Ad-Hoc Signals - An ad-hoc network is a typically a dynamic collection of nodes capable of communicating therebetween without the aid of pre-established infrastructure. Ad-hoc networks differ from traditional networks in that the topology of interconnections between nodes is inherently dynamic and not fixed. Generally, the routing protocols belong to two groups: proactive and reactive. Proactive protocols attempt to maintain correct and up-to-date routing information at every node. Reactive protocols, in turn, collect necessary routing information only if a pair of nodes are to establish a communication. In accordance with embodiments of the invention a reactive ad-hoc network protocol is disclosed that uses controlled flooding to broadcast packets of information within the ad-hoc network. Furthermore, the ad-hoc network protocol does not maintain up-to-date routing information at every node in an ad-hoc network and does not utilize specific control messages to assure that packets within the ad-hoc network follow optimal paths. | 2010-09-23 |
20100238867 | METHOD, APPARATUS AND SYSTEM FOR REGISTERING IN UNIVERSAL SERVICE INTERFACE SYSTEM - A method, an apparatus, and a system for registering in a USI system are disclosed herein. The method includes: an H-USI system receives a USI registration request message that carries an identifier of a terminal from a V-USI system; and the H-USI system interacts with an H-AAA server according to the USI registration request message to perform USI system registration for the terminal. An apparatus for registering in a USI system is disclosed herein. The apparatus includes a receiving module and a registering module. Through the method and the system disclosed herein, the terminal can be registered in the USI system successfully, and the USI service can be implemented smoothly. | 2010-09-23 |
20100238868 | METHOD AND SYSTEM FOR DYNAMIC SPECTRUM ALLOCATION, AND COMPUTER PROGRAM PRODUCT THEREFOR - A communication network such as a cellular network or a WLAN includes a set of user terminals. Within the communication network, a system dynamically controls spectrum usage. The system includes a functionality sensor for sensing spectrum usage within the area covered by the communication network, and a policy server for producing, as a function of the sensed spectrum usage, spectrum usage policies for the communication network. A broadcasting arrangement broadcasts the spectrum usage policies to the user terminals. The system is applicable to cognitive radio systems. | 2010-09-23 |
20100238869 | RADIO COVERAGE ENHANCEMENT - The invention provides an increase in the radio coverage area ( | 2010-09-23 |
20100238870 | Communication system - A communications system is described in which user devices are allocated sub-carriers on which to transmit uplink data to a base station. ACK/NACK messages for the data transmitted on the uplink are then transmitted by the base station on sub-carriers that depend on the sub-carriers used to carry the uplink data. A direct mapping function is preferably used to determine the sub-carriers to be used for the ACK/NACK messages from the uplink sub-carriers. In another embodiment, the ACK/NACK messages are transmitted to the user devices on sub-carriers that are previously identified to the user devices, preferably by transmitting one or more index values to the user device in a control channel thereof. | 2010-09-23 |
20100238871 | Pinning and Cascading Avoidance in Dynamic Channel Assignment for Wireless LANS - Techniques are provided to determine channel assignments for wireless access point (AP) devices in a wireless local area network (WLAN). From each of a plurality of AP devices operating at least one of a plurality of channels in the WLAN, wireless activity data is received that represents activity in each channel associated with signals of devices operating in the WLAN and associated with signals and energy from devices that are not operating in the WLAN as detected by the AP devices by receiving radio frequency energy in each of the plurality of channels. During a channel plan evaluation session, the wireless activity data is evaluated for multiple ones of the plurality of access point devices to determine whether the channel on which an access point device operates should be changed such that a decision to change the channel for at least one access point is limited to a localized region of the wireless network and does not necessarily affect a channel change decision for access points outside of the localized region of the wireless network. The channel on which the at least one access point device operates is changed or assigned based on the evaluation. In one form, the wireless activity data is a single metric that is derived from multiple pieces of data, each representing a different component of wireless activity determined by an AP device to be occurring in a channel. | 2010-09-23 |
20100238872 | METHOD FOR TRANSMITTING RESPONSE MESSAGE OF RANDOM ACCESS IN CELLULAR SYSTEM AND METHOD OF RANDOM ACCESS USING THE SAME - Provided is an asynchronous random access method in a packet-based cellular system, which includes the steps of: receiving a preamble from a mobile station; checking the received preamble to see whether the mobile station includes a mobile station identifier assigned by the base station; when the mobile station does not have a mobile station identifier, allocating first scheduling information to a control information block, allocating a first response message including a mobile station identifier assigned by the base station to a downlink shared channel, and transmitting the control information block and the downlink shared channel to the mobile station; and when the mobile station includes the mobile station identifier, allocating second scheduling information to the control information block, allocating a second response message without the mobile station identifier to the downlink shared channel, and transmitting the control information block and the downlink shared channel to the mobile station. | 2010-09-23 |
20100238873 | WIRELESS TRANSMISSION APPARATUS, WIRELESS RECEPTION APPARATUS, AND WIRELESS COMMUNICATION METHOD - A wireless base station apparatus notifies a mobile wireless terminal apparatus of a channel to be used to transmit a response signal of channel assignment by a mapping pattern of channel assignment information transmitted on a plurality of bands. | 2010-09-23 |
20100238874 | System and Method of Providing Denial Service protection in a Telecommunication System - A system, method, and node for protecting a telecommunication system against a mobile and multi-homed attacker, MMA ( | 2010-09-23 |
20100238875 | METHOD FOR TRANSMITTING VOIP PACKET - A method for transmitting a voice over Internet protocol (VoIP) packet includes allocating a radio resource for VoIP packet transmission to a user, transitioning a VoIP service from a talk period, in which the VoIP packet is transmitted using the radio resource, to a silence period in which the VoIP packet is not transmitted, releasing the radio resource during the silence period, and transitioning the VoIP service to the talk period by reallocating the radio resource. Limited radio resources can be further effectively used. | 2010-09-23 |
20100238876 | METHOD FOR RADIO RESOURCE CONTROL AND BASE STATION USING THE SAME - A method for radio resource control is carried out in a radio communications system including multiple base stations. In this method, a radio resource that can be used by the base stations is divided into multiple first radio resources on the frequency axis. Then one or more of the first radio resources are allocated to a second radio resource for initially transmitting a packet and the other first radio resources are allocated to a third radio resource for retransmitting the packet. | 2010-09-23 |
20100238877 | METHOD AND SYSTEM FOR MAPPING PILOT SIGNALS IN MULTI-STREAM TRANSMISSIONS - A base station is provided. The base station comprises a downlink transmit path comprising circuitry configured to transmit a plurality of reference signals in two or more subframes. Each subframe comprises one or more resource blocks. Each resource block comprises S OFDM symbols. Each of the S OFDM symbols comprises N subcarriers, and each subcarrier of each OFDM symbol comprises a resource element. The base station further comprises a reference signal allocator configured to allocate a first group of the plurality of reference signals to selected resource elements of a first subframe according to a reference signal pattern. The first group of the plurality of reference signals is for a first group of antenna ports. The reference signal allocator also configured to allocate a second group of the plurality of reference signals to selected resource elements of a second subframe according to the same reference signal pattern. The second group of the plurality of reference signals is for a second group of antenna ports different from the first group of antenna ports. | 2010-09-23 |
20100238878 | TRANSMISSION FRAME AND RESOURCE ALLOCATION METHOD FOR COMMUNICATION SYSTEM INCLUDING BASE STATIONS - Communication apparatuses and a transmission frame having a downlink subframe are provided. The downlink subframe of the transmission frame may include a downlink coordination zone where a plurality of femto base stations may perform the downlink communication with at least one terminal among a plurality of terminals using a different radio resource, and a downlink shared zone where the plurality of femto base stations may perform the downlink communication with particular terminals among the plurality of terminals using a shared radio resource. The transmission frame may further include an uplink subframe that includes an uplink coordination zone and an uplink shared zone. | 2010-09-23 |
20100238879 | METHOD OF EXCHANGING MESSAGES FOR TRANSMISSION POWER CONTROL BETWEEN DEVICES IN A WIRELESS NETWORK, AND DEVICES FOR THE SAME - A method of exchanging messages for link recommendation in a receiving device of a wireless network comprises receiving a first data packet from a transmitting device; and transmitting link recommendation information to the transmitting device, the link recommendation information including transmit power control (TPC) information for controlling transmission power to be used for a second data packet in the transmitting device. | 2010-09-23 |
20100238880 | Method of Managing Discontinuous Reception Functionality for Multiple Component Carriers and Related Communication Device - A method of managing discontinuous reception (DRX) functionality in multiple component carriers for a mobile device of a wireless communication system, which includes jointly or separately managing DRX functionality of a plurality of component carriers. | 2010-09-23 |
20100238881 | CONFIGURATION AND SCHEDULING OF ASYMMETRIC CARRIERS ON THE UPLINK - Systems and methods to configure and schedule asymmetric carriers on an uplink between communication devices are described herein. An access node is provided to reserve a common-channel-free carrier for communication with an access terminal. The access node may reserve the carrier for communication with the access terminal based on path loss data between the access node and the access terminal. Further, an adaptive rise-over-thermal (RoT) target may be employed for communication over any carrier. | 2010-09-23 |
20100238882 | Scheduling information for wireless communications - Systems and methods for communicating over multiple carriers are described herein. A predetermined event triggers the generation of scheduling information for two or more of the carriers. The predetermined event may comprise expiration of a timer set for at least one of the two or more carriers, storing data in a buffer having a higher transmission priority than data previously stored in the buffer, or changing at least one of the two or more carriers from being served by a first cell to being served by a second cell. | 2010-09-23 |
20100238883 | ADAPTIVE RESOURCE PARTITIONING IN A WIRELESS COMMUNICATION NETWORK - Techniques for performing adaptive resource partitioning are described. In one design, a node computes local metrics for different possible actions related to resource partitioning to allocate available resources to a set of nodes that includes the node. Each possible action is associated with a set of resource usage profiles for the set of nodes. The node sends the computed local metrics to at least one neighbor node in the set of nodes. The node also receives local metrics for the possible actions from the neighbor node(s). The node determines overall metrics for the possible actions based on the computed local metrics and the received local metrics. The node then determines allocation of the available resources to the set of nodes based on the overall metrics. For example, the node may select the action with the best overall metric and may utilize the available resources based on a resource usage profile for the selected action. | 2010-09-23 |
20100238884 | ADAPTIVE ASSOCIATION AND JOINT ASSOCIATION AND RESOURCE PARTITIONING IN A WIRELESS COMMUNICATION NETWORK - Techniques for supporting communication in a wireless network are described. In an aspect, association and resource partitioning may be performed jointly to select serving base stations for user equipments (UEs) and to allocate available resources to base stations. In another aspect, adaptive association may be performed to select serving base stations for UEs. In one design, a base station computes local metrics for different possible actions related to association and resource partitioning (or only association). The base station receives local metrics for the possible actions from at least one neighbor base station and determines overall metrics for the possible actions based on the computed and received local metrics. The base station determines serving base stations for a set of UEs and resources allocated to the set of base stations (or just serving base stations for the set of UEs) based on the overall metrics for the possible actions. | 2010-09-23 |
20100238885 | RESOURCE PARTITIONING FOR UPLINK IN A WIRELESS COMMUNICATION NETWORK - Techniques for performing resource partitioning are described. In an aspect, adaptive resource partitioning may be performed to dynamically allocate available resources for the uplink to nodes, e.g., base stations. Each node may be assigned a list of target interference-over-thermal (IoT) levels for the available resources by the adaptive resource partitioning. Each node may obtain a list of target IoT levels for itself and at least one list of target IoT levels for at least one neighbor node. The list of target IoT levels for each node may include a configurable target IoT level on each available resource for the node. Each node may schedule its UEs for transmission on the available resources (e.g., may determine transmit power levels and rates for the UEs) based on the target IoT levels for itself and the neighbor node(s) such that the target IoT levels for the neighbor node(s) can be met. | 2010-09-23 |
20100238886 | SINGLE CHANNELIZATION CODE HARQ FEEDBACK FOR DC-HSDPA +MIMO - A method, an apparatus, and a computer program product for wireless communication are provided in which a single channelization code may be utilized on an uplink channel for providing a HARQ ACK/NACK response corresponding to DC-HSDPA+MIMO. Here, the set of channelization codes includes four codeword groups, each codeword group corresponding to a scenario wherein a node B schedules a single transport block or dual transport blocks on each of the two downlink carriers. Thereby, each of the four codeword groups may be designed to have an improved distance property in comparison to the utilization of a single codeword group for all HARQ ACK/NACK hypotheses, reducing errors. | 2010-09-23 |
20100238887 | LOCALIZED FORWARDING - Systems and methods for call localization are provided. The call localization can be provided in a radio access network by detecting a call flow between mobile node such as user equipment (UE) served by the same radio access network device. For example, a gateway can detect a call localization opportunity and the call can be localized with an evolved nodeB (eNB). The method provides for efficient routing, reporting of billing information, lawful monitoring, and mobility if one or both user equipment leave the common eNB. | 2010-09-23 |
20100238888 | SYSTEMS, APPARATUS AND METHODS FOR INTERFERENCE MANAGEMENT IN WIRELESS NETWORKS - Systems, apparatus, methods and computer program products are provided. In some embodiments, a method for facilitating interference management in an unplanned wireless communication system is provided. The method can include a non-serving base station synchronizing a non-serving base station downlink subframe to a serving base station downlink subframe, wherein the serving base station downlink subframe is transmitted from a serving base station to a user equipment served by the serving base station. The method can also include the non-serving base station decoding one or more control channel symbols of the serving base station downlink subframe; and determining information for performing interference management associated with the user equipment. The determined information can be based, at least, in part, on the decoded one or more control channel symbols of the serving base station downlink subframe. | 2010-09-23 |
20100238889 | APPARATUS AND METHOD FOR REDUCING INTER-CELL INTERFERENCE IN MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM - An apparatus and method for operating a Codebook Subset Pattern (CSP) of a Base Station (BS) in a Multiple Input Multiple Output (MIMO) system are provided. The method includes determining whether there is a CSP-updated BS among the BS and adjacent BSs, exchanging the updated CSP between cells if it is determined that there is a CSP-updated BS, and broadcasting the CSP of each cell acquired through the exchange thereby reducing an inter-cell interference in the MIMO system | 2010-09-23 |
20100238890 | TIME SYNCHRONIZATION FOR DISTRIBUTED MOBILE AD HOC NETWORKS - Time synchronization among nodes in a wireless mobile ad hoc network (MANET) is obtained using a cross layer approach. Each node maintains a routing table that contains entries corresponding to other nodes of the network that are one or more hops away from the node, and topology messages are exchanged periodically among the nodes in order to update their routing tables. A network master node is selected, and remaining nodes that are one or more hops away from the master node are defined as slave nodes. The master node includes master timing information the topology messages that it transmits. The timing information is concatenated to include a first time (T | 2010-09-23 |
20100238891 | SYSTEMS AND METHODS FOR ALLOCATING AND TRANSMITTING UPLINK DATA BLOCK TRANSMISSIONS - Systems and methods for allocating and transmitting uplink data block transmissions with piggy-backed ACK/NACK bitmap field are provided. The systems and methods involve using a request for a DBCCI (Data Block Combined with Control Information) to allocate a timeslot for data transmission. A UADB (uplink allocation for data block) is not also used to allocate the timeslot. | 2010-09-23 |
20100238892 | UPLINK POWER CONTROL METHOD IN A TELECOMMUNICATIONS NETWORK SYSTEM THAT SUPPORTS BOTH COMMON AND SEPARATE TPC COMMANDS - A transmit power control (TPC) method and a user equipment (UE) of a telecommunications network utilizing the TPC method. The UE receives TPC commands intended for traffic and control channels. The TPC commands are separately identified by logical or physical resources associated with the channels. When the traffic and control channel TPCs occupy the same resources, the UE applies common power control commands to the traffic and control channels. When the traffic and control channel TPCs occupy different resources, the UE applies separate power control commands to the traffic and control channels. | 2010-09-23 |
20100238893 | method for registering a mobile terminal in a mobile radio communication system - The present invention relates to a method for registering a mobile terminal in a mobile radio communication system. The mobile radio communication system comprises at least one mobile radio communication core network and at least one IMS core network. The mobile terminal is located within a radio access network associated to the at least one mobile radio communication core network and comprises at least a first and a second periodic registration timer for respectively registering the mobile terminal with the at least one mobile radio communication core network and the at least one IMS core network upon their respective expiry. The method comprises the step of registering the mobile terminal with the mobile radio communication core network and with the at least one second network as any one of the at least first and second periodic registration timers, which is first to expire, expires. | 2010-09-23 |
20100238894 | Spectrum Sharing Enabled by Strong Interfering Pulse Handling - Interference between a communication system operating in a frequency area and another system sending out pulses affecting the frequency area can be handled by means of a communication unit (RBS | 2010-09-23 |
20100238895 | Scheduling Method, Wireless Base Station, And Wireless Terminal - A wireless base station for performing wireless communication with a wireless terminal using a frequency bandwidth different from another adjacent wireless base station in a first time period and performing wireless communication with a wireless terminal using a frequency bandwidth shared with another adjacent wireless base station in a second time period and including a control unit that does not change a burst profile to be applied to an uplink transmission or assigns a burst profile corresponding to a wireless transmission rate equal to or less than a wireless transmission rate corresponding to an applied burst profile with respect to a wireless terminal used for wireless communication in the first time period. | 2010-09-23 |
20100238896 | ON-HAND REVERSE-LINK PILOT TRANSMISSION - Pilots are transmitted on demand on a reverse link and used for channel estimation and data transmission on a forward link. A base station selects at least one terminal for on-demand pilot transmission on the reverse link. Each selected terminal is a candidate for receiving data transmission on the forward link. The base station assigns each selected terminal with a time-frequency allocation, which may be for a wideband pilot, a narrowband pilot, or some other type of pilot. The base station receives and processes on-demand pilot transmission from each selected terminal and derives a channel estimate for the terminal based on the received pilot transmission. The base station may schedule terminals for data transmission on the forward link based on the channel estimates for all selected terminals. The base station may also process data (e.g., perform beamforming or eigensteering) for transmission to each scheduled terminal based on its channel estimate. | 2010-09-23 |
20100238897 | MOBILE WIRELESS COMMUNICATION SYSTEM AND METHOD OF CARRYING OUT HANDOVER IN THE SYSTEM - When a strength of an electric field for receiving wireless in downlink is equal to or smaller than a predetermined strength, the mobile communication terminal device | 2010-09-23 |
20100238898 | METHODS AND APPARATUS FOR EXTENDING THE RESOURCE RETAIN TIME IN A HANDOVER - A mobile station may send a first handover indication message to a serving base station. The first handover indication message may include a first resource retain time. The mobile station may start a resource retaining timer using the first resource retain time. The mobile station may perform handover procedures. The mobile station may determine whether the resource retaining timer is within a threshold of expiring. The mobile station may send a second handover indication message to the serving base station if the resource retaining timer is within the threshold of expiring. | 2010-09-23 |
20100238899 | System and Method of Automatically Optimizing an Operational Radio Access Network - Systems and methods of automatically optimizing an operational radio access network are provided. Objective and operational cost functions for the radio access network are generated, and a deviation between the generated cost functions is determined. At least one aspect of the radio access network is adjusted in order to minimize the determined deviation between cost functions. | 2010-09-23 |
20100238900 | Wireless Handover Optimization - Aspects of the present invention relate to improved systems and methods for handing over a UE from a source node to a target node. In some embodiments, the target node receives UL and DL count information directly from the UE being handed over, rather than from the source node or from a core network node. | 2010-09-23 |
20100238901 | SYSTEMS, APPARATUS AND METHODS FOR INTERFERENCE MANAGEMENT IN WIRELESS NETWORKS - Systems, apparatus, methods and computer program products are provided. In some embodiments, a method for facilitating interference management in an unplanned wireless communication system is provided. The method can include a non-serving base station obtaining information about a user equipment served by a serving base station; and determining signal information based, at least, in part, on the information. The method can also include the non-serving base station disallowing access to the user equipment due to restricted access rules for the non-serving base station. The method can also include the non-serving base station performing interference management of the user equipment served by the serving base station. The interference management can be performed based, at least, in part, on the determined signal information. | 2010-09-23 |
20100238902 | Channel Structures for a Quasi-Orthogonal Multiple-Access Communication System - A channel structure has at least two channel sets. Each channel set contains multiple channels and is associated with a specific mapping of the channels to the system resources available for data transmission. Each channel set may be defined based on a channel tree having a hierarchical structure. To achieve intra-cell interference diversity, the channel-to-resource mapping for each channel set is pseudo-random with respect to the mapping for each remaining channel set. In each scheduling interval, terminals are scheduled for transmission on the forward and/or reverse link. The scheduled terminals are assigned channels from the channel sets. Multiple terminals may use the same system resources and their overlapping transmissions may be separated in the spatial domain. For example, beamforming may be performed to send multiple overlapping transmissions on the forward link, and receiver spatial processing may be performed to separate out multiple overlapping transmissions received on the reverse link. | 2010-09-23 |
20100238903 | INTER-ENODE B HANDOVER PROCEDURE - Methodologies are described that facilitate inter-eNode B handover. In various embodiments, logical protocol termination can be implemented between the user equipment and the target eNode B for inter-eNode B handover signaling. The provided handover forwarding and encapsulation mechanisms enable improved inter-operability between eNode Bs implementing different protocol versions or from different vendors, which in turn enables frequent protocol upgrades. Additionally, the invention enables the target eNode B to implement new radio configurations even if the configuration is unsupported by the source eNode B. | 2010-09-23 |
20100238904 | MOBILITY IN MULTI-CARRIER HIGH SPEED PACKET ACCESS - A method for wireless communications is provided. The method includes generating two or more uplink carrier signals across a wireless network and generating at least one active signal set for the wireless network. The method also includes generating one or more secondary active signal sets in accordance with the two or more uplink carrier signals to facilitate communications across the wireless network. | 2010-09-23 |
20100238905 | WIRELESS COMMUNICATION SYSTEM, BASE STATION, RADIO RESOURCE MANAGEMENT METHOD, AND CONTROL PROGRAM OF BASE STATION - To provide appropriate communication quality inside a building regardless of the building penetration loss of the building in which a femto base station is installed while suppressing the interference caused by radio waves leaked outside the building, a femto base station | 2010-09-23 |
20100238906 | TRANSMISSION TIMING CONTROL SYSTEM AND METHOD THEREOF, AND BASE STATION USING THE SAME AND MOBILE STATION - An adaptive transmission timing control system is provided in which a base station can correctly instruct a mobile station of a timing control signal indicating the amount of variation in transmission timing and a multipath situation can be estimated in the base station with accuracy. When control information for controlling transmission timing of an upstream signal of the mobile station is generated in the base station, the mobile station is notified of the control information in every frame of the upstream signal. Specifically, the control information is generated by determining the transmission timing using a power delay profile in which frames of the upstream signal are added and synthesized in every RTT (Round Trip Time) cycle of the upstream signal. This makes it possible to heighten resistance to an error in the timing control signal, and transmission timing control can be carried out correctly. | 2010-09-23 |
20100238907 | SCHEDULING METHOD FOR A GIVEN TRANSMISSION TIME SLOT - A method of scheduling for a given transmission time slot, time being divided into time slots for time division multiplex transmission to a plurality of terminals, said method comprising:
| 2010-09-23 |
20100238908 | Method of Managing Timing Alignment Functionality for Multiple Component Carriers and Related Communication Device - A method of managing timing alignment (TA) functionality in multiple component carriers for a communication device of a wireless communication system, which includes separately managing TA functionality of a plurality of component carriers or jointly managing TA functionality of component carriers belonging to the same cell. | 2010-09-23 |
20100238909 | APPARATUS AND METHOD FOR ALLOCATING RADIO NETWORK TEMPORARY IDENTIFIER FOR RANDOM ACCESS IN A MOBILE COMMUNICATION SYSTEM - An apparatus and method for allocating Radio Network Temporary Identifiers (RNTIs) for random access in a mobile communication system are provided. An Evolved Node B (ENB) determines the number of RNTIs allocated to at least one User Equipment (UE) that transmitted a random access preamble, determines an average number of random access preambles received during a Transmission Time Interval (TTI), and sets a timer based on the number of allocated RNTIs and the average number of random access preambles. If a cell identifier corresponding to a first UE is not received from an upper layer before expiration of the timer, the ENB releases the RNTI allocated to the first UE, and allocates the released RNTI to a second UE different from the first UE. | 2010-09-23 |
20100238910 | SYSTEMS AND METHODS FOR ALLOCATING AND TRANSMITTING UPLINK DATA BLOCK TRANSMISSIONS WITH PIGGY-BACKED ACK/NACK BITMAP - Systems and methods for allocating and transmitting uplink data block transmissions with piggy-backed ACK/NACK bitmap field are provided. In a specific example, a mobile station receives a request for a data block combined with control information (DBCCI). The mobile station responds by transmitting a DBCCI using at least one timeslot corresponding to a timeslot used for the request. At least some of the time, the mobile station sends data blocks in an order different than that would be otherwise used (e.g. block sequence order). | 2010-09-23 |
20100238911 | Apparatus and methods for addressable communication using voice-grade radios - The invention relates to methods and apparatus for conducting directed communication using voice-grade radios. The methods and apparatus can be used to form a packet-switched wireless network using legacy analog transceivers, providing, e.g., both data and voice-over-Internet Protocol communication. | 2010-09-23 |
20100238912 | SIGNALING METHODS FOR MMSE PRECODING WITH EIGENMODE SELECTION - Different methods of signaling between an access point and user terminals in a multiuser wireless system for performing a minimum mean square error (MMSE) precoding at the access point preceded with eigenmode selection are provided. For one embodiment of the present disclosure, a compact feedback may be utilized between a plurality of user terminals and the access point. For another embodiment of the present disclosure, a hybrid feedback may be utilized between the plurality of user terminals and the access point. For yet another embodiment of the present disclosure, a full feedback may be utilized between the plurality of user terminals and the access point. | 2010-09-23 |
20100238913 | Adaptive Precoding Codebooks for Wireless Communications - Adaptive precoding codebooks are described. In one embodiment, the method of wireless communication includes reading at least a rank-2 baseline codebook having codewords representing precoding matrices. An adaptive codebook is generated by multiplying a first column of the codeword with a first transform matrix calculated from a channel correlation matrix, and multiplying a second column of the codeword with a second transform matrix calculated from the channel correlation matrix. The first and the second transform matrices are orthogonal. | 2010-09-23 |
20100238914 | Adaptive Coding and Modulation with MIMO Wireless and Wired Communication - A system and method for processing Adaptive Coding and Modulation (ACM) in Multiple Input Multiple Output (MIMO) Wireless and Wired Communication. The ACM and MIMO system is connected with Infrared and with Radio Frequency Identification systems and sensors as well as with wired Fiber Optic Communication (FOC) and wireless cellular land based or satellite systems. A received Global Positioning System (GPS) signal is also used for processing and transmission in single or in cascaded communication systems. A modulator and transmitter which comprise cascaded hybrid systems, including a cascaded GSM or EDGE, of cascaded infrared (IR) or GSM or CDMA or TDMA or UMTS systems and contain Radio Frequency identification (RFID) signals or sensor or infrared signals. | 2010-09-23 |
20100238915 | RADIO TELECOMMUNICATIONS SYSTEM AND METHOD OF OPERATING THE SAME WITH POLLING - An apparatus or method for transmitting data blocks on a communications channel having a radio link between two stations including a user equipment comprises receiving first data blocks from the user equipment, and transmitting second data blocks to the user equipment. A polling interval is dynamically set for the transmission of polling messages to the user equipment after transmission of the second data blocks, the polling interval being set in accordance with at least one of: a size of one or more data blocks received by the apparatus from the user equipment, a size of one or more blocks transmitted from the apparatus to the user equipment, and a service to which the user equipment is subscribed. The apparatus may be used as a PCU in a cellular mobile telephone system. | 2010-09-23 |
20100238916 | METHOD FOR IMPROVING THE DATA RATE OF MOBILE/HANDHELD DATA AND THE QUALITY OF CHANNEL ESTIMATION IN AN ATSC-M/H TRANSPORT DATA STREAM - A method for improving the data rate of data for M/H receivers and for improving the quality of channel estimation in an ATSC-M/H transport data stream marks the transport data packets determined for the transmission of data for M/H receivers in N (e.g., 38) consecutively transmitted transport data packets in an ATSC-M/H-slot of the uncoded ATSC-M/H transport data stream originally determined for the transmission of data for stationary receivers. Coded data for M/H receivers are inserted in the marked transport data packets and introduce training sequences in segments of data fields of the coded ATSC-M/H transport data stream containing marked transport data packets. | 2010-09-23 |
20100238917 | CLOCK SYNCHRONIZATION - In an example embodiment, a method for synchronizing clocks between a plurality of clocked devices where one of the plurality of clocked devices is not directly synchronized with another of the plurality of clocked devices. Clock offset and a clock drift between a first clock associated with a first device and a second clock associated with a second is directly determined based on signals exchanged between the first and second devices. Clock offset and clock drift between the second clock and a third clock associated with a third device is directly determined based on signals exchanged between the second and third devices. A clock offset and clock drift between the first clock and third clock is determined based on a difference between the clock offset and drift between the first and second clocks and the clock offset and drift between the second and third clocks. | 2010-09-23 |
20100238918 | Method and Device for Transmitting Data Using DSL Technology - The invention relates to a method and a device for transmitting data, wherein when transmitting data with DSL technology transmission rates are compared. | 2010-09-23 |
20100238919 | SYSTEM AND METHOD FOR TELECOMMUNICATION WITH A WEB-BASED NETWORK, SUCH AS A SOCIAL NETWORK - A system and method is described for establishing a communications session between a telecommunications device and one or more registered users on web-based networks, such as social networks. Further details and features are described herein. | 2010-09-23 |
20100238920 | Communication Apparatus for Providing Services to a Communication Device through a Private Base Station - A communication apparatus provides services to a communication device. The communication apparatus comprises a private base station, such as a Home Node B, for communicating with a communication device authorised to use the private base station and a gateway, such as a Home Node B gateway, communicatively coupled to the private base station for providing access to an IP Multimedia Subsystem, IMS, network and at least one other communication network, such as a Circuit Switched, CS, network. The private base station is arranged to select a route for providing a service to the communication device through the private base station and gateway, the selected route being one of a route between the communication device and the IMS network and a route between the communication device and the at least one other communication network. The private base station is arranged to select a route based on the service to be provided. | 2010-09-23 |
20100238921 | COMMUNICATION APPARATUS, ITS OPERATING METHOD, AND OPERATING PROGRAM - An object of the present invention is to provide a communication apparatus capable of connecting required modules for use in protocol processing depending on a packet to be processed without previous setting of the execution order of the modules so as to perform packet processing. A communication apparatus retains meta-information for each module implementing a protocol and a calculating means (transmission path restriction calculating section) for calculating module connection order based on the meta-information and a packet to be processed. The meta-information includes: the type of services that each module can provide on a protocol stack; a rule according to which it is determined whether each module can execute processing of a packet to be processed; and module information on a result of the determination of whether or not each module can execute the processing of a packet to be processed. The calculating means determines, according to the rule, whether each module can perform processing of a packet to be processed, attaches the information concerning the type of services to the packet to be processed, and outputs the connection order of modules by which the entire portion of the packet can be processed while acquiring the meta information from the packet. | 2010-09-23 |
20100238922 | METHOD, DEVICE AND SYSTEM FOR MULTI FIELD CLASSIFICATION IN A DATA COMMUNICATIONS NETWORK - The present invention pertains to a method for performing specific data forwarding actions depending on the nature of data traffic comprising data packets, which method comprises the steps of: —receiving incoming data traffic of a specific nature, belonging to at least a specific class among a number of pre-defined classes, step | 2010-09-23 |
20100238923 | TUNNELING METHOD OF MOBILE TERMINAL FOR SUPPORTING IP MOBILITY - A tunneling method for a mobile terminal is provided. In the tunneling method, a first device driver connected to a visit network senses a packet tunneled to an interface connected to the visit network, and the first device driver decapsulates a packet without transmitting the packet to a first IP end that is an upper layer of the first device driver and transmits the decapsulated packet to a second driver. Then, the second driver transmits a packet to a second IP end that is an upper layer of the second driver. | 2010-09-23 |
20100238924 | Switched Unicast in an Internet Protocol Television Environment - In one embodiment, a processing device is coupled between at least one content source and at least one subscriber device within an Internet Protocol television (IPTV) system in order to receive a plurality of service flows from the at least one content source and to process multicast service flow requests from the at least one subscriber device. The processing device includes a map module to map a service flow from a content source to a multicast service flow based on a multicast service flow request from a particular subscriber device and a unicast module to assign a unique identifier to the mapped multicast service flow to convert the mapped multicast service flow to a unicast delivery of the mapped multicast service flow to the particular subscriber device. | 2010-09-23 |
20100238925 | MULTICAST COMMUNICATION APPARATUS AND METHOD FOR RECEIVING AND FORWARDING DATA VIA A NETWORK AMONG A PLURALITY OF NODES - A multicast communication apparatus for receiving and forwarding data via a network among a plurality of nodes. The apparatus has: a receiving section that receives the data from a source node; a routing table that stores route information of the data including the source node and a destination node of the data; a forwarding section that forwards the data to a next destination node according to the route information of the routing table; a hop length table that includes a hopping number of the data forwarded from the source node to the next destination node; and a mixing processing section that performs mixing processing of data received from another node. The mixing processing section performs the mixing processing according to the hopping number in the hop length table. | 2010-09-23 |
20100238926 | NETWORK INTERFACE CONTROL APPARATUS AND CONTROL METHOD - In controlling a mode of a network interface which is operable in operation modes including: a promiscuous mode for receiving all packets, a filter mode for selecting a packet to be received using part of a network address, and an ordinary reception mode for receiving broadcast packets, multicast packets and packets addressed for the apparatus, in a case where an instruction to shift the operation mode of the network interface to promiscuous mode is issued, the operation mode of the network interface is shifted to promiscuous mode if specific processing is not in progress, or the operation mode is shifted to the filter mode if the specific processing is in progress. If the network interface is operating in the filter mode upon completion of the specific processing, the operation mode of the network interface is shifted to promiscuous mode. | 2010-09-23 |
20100238927 | METHOD AND SYSTEM FOR INTELLIGENTLY FORWARDING MULTICAST PACKETS - A routing system utilizes a layer 2 switch interconnecting several routers to intelligently forward multicast packets throughout an interne exchange carrying multicast content. The layer 2 switch performs protocol snooping to extract a lookup key that is based on network layer protocol information. The lookup key is uniquely formulated to support either shared or explicit source distribution trees. The lookup key is used to query a forwarding memory that returns an outgoing port index. The outgoing port index points to one or more outgoing ports that are eligible to receive the multicast packet. The outgoing ports are also connected to the neighboring device(s) that are designated to receive the multicast packet. The routing system also supports real time maintenance and updating of the forwarding memory based on the periodic exchange of control messages. The routing system is configured to support PIM routers operating in PIM SM or PIM SSM modes. However, the routing system can also support other multicast protocols and/or standards. | 2010-09-23 |
20100238928 | METHOD OF ROUTING AN SIP MESSAGE IN THE EVENT OF UNAVAILABILITY OF INTERMEDIATE NODES - Method of routing in a telecommunications network an SIP message intended to be routed through intermediate entities constituting nodes of a signaling path. According to the invention, said method comprises a step of bypassing an intermediate entity able to be bypassed if unavailable. Application to the IMS architecture. | 2010-09-23 |
20100238929 | METHOD FOR CLASSIFYING NETWORK PACKET - A method for classifying a network packet includes the steps of: receiving a network packet which includes a plurality of specific data; providing a basic rule table which includes a plurality of basic rules corresponding to the plurality of specific data; providing a composite rule table which includes a plurality of composite rules corresponding the packet classes, and each of the composite rules includes a specific calculation; each of the basic rules generates an output result according to the corresponding specific data; each of specific calculation generates a calculated result of the corresponding composite rule according to part or all of the output results; determining the packet class of the network packet according to the calculated results. | 2010-09-23 |
20100238930 | ROUTER AND METHOD OF FORWARDING IPV6 PACKETS - A method of a router to process IPv6 packets includes: receiving a packet and determining whether the packet is IPv6 packet; determining the source of the IPv6 packet according to the control information of the IPv6 packet if the packet is IPv6 packet; modifying the control information of the IPv6 packet according to the source of the IPv6 packet, and transmitting the IPv6 packet directly to a wide area network (WAN) or a local area network (LAN) according to the modified control information of the IPv6 packet. | 2010-09-23 |
20100238931 | Technique for Handling Residual Space in Packet Data Transmissions - The invention relates to techniques for handling residual space occurring in packet-based data transmissions, wherein according to one embodiment of a method for controlling a packet-based data transmission, in case an amount of residual space in the packet ( | 2010-09-23 |
20100238932 | METHOD AND APPARATUS FOR ENHANCED PACKET AGGREGATION - Systems and methods for reducing the latency and for increasing throughput for MoCA devices that are connected via a coax network are provided. One method according to the invention includes, in a network having a plurality of network modules, each of the plurality of network modules being connected to a coax backbone, communicating over the coax backbone between the plurality of network modules. The method further includes a requesting the use of aggregated messages. The method further includes aggregations of messages at the Ethernet packet layer and/or at the MAC layer. The resulting messages can be received while making more efficient use of the MoCA network. | 2010-09-23 |
20100238933 | COMMUNICATION APPARATUS - A communication apparatus includes a signal termination unit that includes a point data management unit and performs reception processing by receiving a signal including an address code for identifying a plurality of remote signaling points, and a plurality of call processing units that perform call processing for the plurality of the remote signaling points, the point data management unit manages call-processing point data, and wherein the signal termination unit, upon receipt of the signal, extracts a code of the non-masked range of the address code having a wild card, and recognizes the call processing unit number corresponding to the extracted code of the non-masked range by referring to the call-processing point data, and transmits to the call processing unit having the recognized call processing unit number the corresponding address code describing all the bits of the code set in the masked range and the code set in the non-masked range. | 2010-09-23 |
20100238934 | EFFICIENT DISCOVERY AND VERIFICATION OF PATHS THROUGH A MESHED OVERLAY NETWORK - The present invention provides an efficient system and method for routing information through a dynamic network. The system includes at least one ingress point and one egress point. The ingress and egress point cooperate to form a virtual circuit for routing packets to destination subnets directly reachable by the egress point. The egress point automatically discovers which subnets are directly accessible via its local ports and summarizes this information for the ingress point. The ingress point receives this information, compiles it into a routing table, and verifies that those subnets are best accessed by the egress point. Verification is accomplished by sending probe packets to select addresses on the subnet. Additionally, the egress point may continue to monitor the local topology and incrementally update the information to the ingress to allow the ingress to adjust its compiled routing table. | 2010-09-23 |
20100238935 | Method for Routing Ad-Hoc Signals - An ad-hoc network is a typically a dynamic collection of nodes capable of communicating therebetween without the aid of pre-established infrastructure. Ad-hoc networks differ from traditional networks in that the topology of interconnections between nodes is inherently dynamic and not fixed. Generally, the routing protocols belong to two groups: proactive and reactive. Proactive protocols attempt to maintain correct and up-to-date routing information at every node. Reactive protocols, in turn, collect necessary routing information only if a pair of nodes are to establish a communication. In accordance with embodiments of the invention a reactive ad-hoc network protocol is disclosed that uses controlled flooding to broadcast packets of information within the ad-hoc network. Furthermore, the ad-hoc network protocol does not maintain up-to-date routing information at every node in an ad-hoc network and does not utilize specific control messages to assure that packets within the ad-hoc network follow optimal paths. | 2010-09-23 |
20100238936 | DATA PROCESSING APPARATUS AND REDUNDANCY SWITCHING METHOD - A data processing apparatus includes a first frame processing unit that fragments a first input frame and identifies a head of the first input frame and outputs first head position information; a second frame processing unit that fragments a second input frame which is a redundant frame of the first input frame and is input asynchronously with the first input frame, identifies a head of the second frame, and outputs second head position information; a first and a second storage unit that receive and store the fragmented pieces of data output from the first and the second frame processing units respectively; and a fragmented data processing unit that reads the fragmented pieces of data out of one of the first and second storage units based on the first and second head position information and outputs the fragmented data. | 2010-09-23 |
20100238937 | HIGH SPEED PACKET FIFO INPUT BUFFERS FOR SWITCH FABRIC WITH SPEEDUP AND RETRANSMIT - Described embodiments provide a first-in, first-out (FIFO) buffer for packet switching in a crossbar switch with a speedup factor of m. The FIFO buffer comprises a plurality of registers configured to receive N-bit portions of data in packets and a plurality of one-port memories, each having width W segmented into S portions a width W/S. A first logic module is coupled to the registers and the one-port memories and receives the N-bit portions of data in and the outputs of the registers. A second logic module coupled to the one-port memories constructs data out read from the one-port memories. In a sequence of clock cycles, the N-bit data portions are alternately transferred from the first logic module to a segment of the one-port memories, and, for each clock cycle, the second logic module constructs the data out packet with output width based on the speedup factor of m. | 2010-09-23 |
20100238938 | HIGH SPEED PACKET FIFO OUTPUT BUFFERS FOR SWITCH FABRIC WITH SPEEDUP - Described embodiments provide a first-in, first-out (FIFO) buffer for packet switching in a crossbar switch with a speedup factor of m. The FIFO buffer comprises a first logic module that receives m N-bit data portions from a switch fabric, the m N-bit data portions comprising one or more N-bit data words of one or more data packets. A plurality of one-port memories store the received data portions. Each one-port memory has a width W segmented into S portions of width W/S, where W/S is related to N. A second logic module provides one or more N-bit data words, from the one-port memories, corresponding to the received m N-bit data portions. In a sequence of clock cycles, the data portions are alternately transferred from corresponding segments of the one-port memories in a round-robin fashion, and, for each clock cycle, the second logic module constructs data out read from the one-port memories. | 2010-09-23 |
20100238939 | INTERMEDIATE NODE DEVICE, METHOD OF CONTROLLING INTERMEDIATE NODE DEVICE, AND NETWORK SYSTEM - An intermediate node device, a method of controlling an intermediate node device, and a network system are provided. The intermediate node device may receive a data packet from an upper intermediate node device and generate a first acknowledgement (ACK) message and a second ACK message with respect to the received data packet. Also, the intermediate node device may transmit the first ACK message to the upper intermediate node device, and transmit the second ACK message to an upper intermediate node device which is separated by a predetermined number of hops. | 2010-09-23 |
20100238940 | ASCERTAINING PRESENCE IN WIRELESS NETWORKS - One of many aspects of the invention relates to an ad hoc network in which inbound messages are communicated from an originating node to a gateway node via a plurality of intermediate nodes. In this respect, a method performed by an intermediate node in communicating the inbound message to the gateway node includes: maintaining a routing table; and using the routing table, selecting a node for use as the next hop by determining whether a maximum number of allowable hops for an inbound message is exceeded by using such node, and comparing a preference of using such node to preferences of using other known nodes by which the maximum number of allowable hops would not be exceeded. Another aspect includes sending a “leave” message when an intermediate node leaves the ad hoc network, whereby the intermediate node is removed from similar routing tables maintained by other intermediate nodes. | 2010-09-23 |
20100238941 | PACKET TRANSMISSION APPARATUS, LINE INTERFACE UNIT, AND CONTROL METHOD FOR PACKET TRANSMISSION APPARATUS - A packet transmission apparatus includes: a plurality of communication ports; a switch for switching packets; a storage unit which stores a plurality of queues for respectively holding packets to be output from the plurality of communication ports; and a stop signal generating unit. The stop signal generating unit generates a stop signal for stopping packets directed to one of the communication ports from being input into the switch, if the amount of packets held in the queue for the one communication port is equal to or larger than a certain first threshold value, and if the sum of the amounts of packets held in the plurality of queues is equal to or larger than a certain second threshold value. | 2010-09-23 |
20100238942 | LOOKUP ENGINE WITH PROGRAMMABLE MEMORY TOPOLOGY - An architecture for a specialized electronic computer for high-speed data lookup employs a set of tiles each with independent processors and lookup memory portions. The tiles may be programmed to interconnect to form different memory topologies optimized for the particular task. | 2010-09-23 |
20100238943 | COMMUNICATION CHANNEL SWITCH - The URLs and priority levels of a plurality of frequently accessed sites are stored beforehand in a user registration table in a communication channel switch. The communication channel switch stores the start time and end time of the latest access and the elapsed time at the site, in an access history table. The communication channel switch changes the priority levels in the user registration table in accordance with the length of the elapsed time. The communication channel switch collects video data from the sites prior to the time recorded as the latest access start time in the access history table, in accordance with the priority level in the user registration table, and stores the video data in a storage unit in the switch. When the user accesses a site included in the user registration table, the communication channel switch provides the site information in the storage unit quickly. | 2010-09-23 |
20100238944 | SYSTEM HAVING A PLURALITY OF NODES CONNECTED IN MULTI-DIMENSIONAL MATRIX, METHOD OF CONTROLLING SYSTEM AND APPARATUS - A system has a plurality of nodes connected in a multi-dimensional matrix and having node addresses, respectively, each of the nodes having a processor, and a router for transmitting a request packet to a node adjacent to its own node located in n+1th dimension when the address of nth dimension of its own node is matched to the address of nth dimension of the target node, transmitting a response packet to a node adjacent to its own node located in nth dimension when the address of n+1th dimension of its own node is matched to the address of n+1th dimension of the response packet, wherein the router terminates a request packet when the address of the request packet is fully matched to the node address of its own node in all the dimensions, transfers the data conveyed by the request packet to the processor of its own node for processing. | 2010-09-23 |
20100238945 | METHOD AND SYSTEM FOR MIGRATING CONTENT ON A NETWORK - A method and system for migrating content on a network. In one method embodiment, the present invention accesses a directory having a network address. A business rule is created and a directory is scripted based on the business rule. Next, a content switch automatically directs future access to the directory to a new environment based on the scripting, wherein the future access to the directory uses the same network address. In so doing, the migration of content on a network is greatly simplified. | 2010-09-23 |
20100238946 | APPARATUS FOR PROCESSING PACKETS AND SYSTEM FOR USING THE SAME - An apparatus processes a packet and classifies the packet as a processed fast path packet or a slow path packet, wherein the processed fast path packet is forwarded to a fast path forwarding queue directly or is forwarded to a fast path output queue through a packet direct memory access controller. The apparatus not only improves the packet processing performance but also guarantees the quality of service. | 2010-09-23 |
20100238947 | DATA TRANSFER SYSTEM AND METHOD - A transmission source bridge collects packets sent from nodes connected to a serial bus in accordance the IEEE1394 Standards, into one packet in an order they are to be transmitted and then sends them onto an ATM network, so that a transmission destination bridge receives this packet and divides it into a plurality of smaller packets and transfers them, in the order they were sent, to nodes connected to the serial bus in accordance with the IEEE1394 Standards. | 2010-09-23 |
20100238948 | PACKET SWITCHING SYSTEM AND METHOD - A packet switching system capable of ensuring the sequence and continuity of packets and further compensating for delays in transmission is disclosed. Each of two redundant switch sections has a high-priority queue and a low-priority queue for each of output ports. A high-priority output selector selects one of two high-priority queues corresponding to respective ones of the two switch sections to store an output of the selected one into a high-priority output queue. A low-priority output selector selects one of two low-priority queues corresponding to respective ones of the two switch sections to store an output of the selected one into a low-priority output queue. The high-priority and low-priority output selectors are controlled depending on a system switching signal and a packet storing status of each of the high-priority and low-priority queues. | 2010-09-23 |
20100238949 | FAST AND FAIR ARBITRATION ON A DATA LINK - Embodiments of a circuit, a buffered crosspoint switch that includes the circuit and a computer system that includes the switch are described. In this circuit and switch, deep crosspoint buffers are replaced with smaller distributed buffers. This modification reduces the cost of the switch and improves the scaling properties of the architecture. | 2010-09-23 |
20100238950 | USE OF GROUP POLL SCHEDULING FOR BROADBAND COMMUNICATION SYSTEMS - A group poll mechanism (GPM) that schedules upstream bandwidth for cable modems by pointing a request opportunity normally reserved for a single service flow to more than one service flow. Essentially, instead of using the seldom-used poll requests one per service flow, this same request opportunity is pointed to multiple service flows. In such kind of a scheme the GPM gives the same mini-slot to multiple service flows. The GPM implements the use of place-holder SIDs and novel mapping of information elements in MAP messages. | 2010-09-23 |
20100238951 | VIDEO SIGNAL TRANSMISSION DEVICE, VIDEO SIGNAL RECEPTION DEVICE, AND VIDEO SIGNAL TRANSMISSION SYSTEM - A video transmission device | 2010-09-23 |
20100238952 | BROADBAND NETWORK TERMINAL AND METHOD FOR DYNAMICALLY ALLOCATING NETWORK ACCESS RESOURCES - A broadband network terminal receives user connection requests, and calculates an average value of network access resources according to original users and at least one newly-added user. The broadband network terminal determines whether the network access resources utilized by each original user exceed the average value, determines whether the network access resources are unavailable when the network access resources utilized by at least one original user exceed the average value, and releases network access resources utilized by the at least one original user that exceed the average value when the network access resources are unavailable. The broadband network terminal then allocates average network access resources to the newly-added user. | 2010-09-23 |
20100238953 | Allocation of Overhead Bandwidth to Set-Top Box - A method includes receiving a channel change request from a set-top box (STB) coupled to a packet-based network, where the STB is located at a subscriber premises. The channel change request includes a value identifying one or more of a number of STBs and a number of display devices that are located at the subscriber premises. The method also includes allocating an overhead bandwidth to the STB based on the value. | 2010-09-23 |
20100238954 | TRANSMITTING APPARATUS - A transmitting apparatus includes a detecting unit that detects deviation and balance relative to a specified bit rate of a frame signal input at a constant bit rate; a dividing unit that reads at constant intervals from a buffer storing the frame signal and outputs a signal divided into a plurality of segments having a predetermined data length; and a correcting unit that, based on the deviation and balance detected by the detecting unit, corrects the data length for the division by the dividing unit. | 2010-09-23 |
20100238955 | METHOD AND DEVICE FOR COMMUNICATING USING HUMAN BODY - A communication device and method is provided. The communication method using a human body includes modulating data, generating a first timing signal by using the modulated data, generating a wideband pulse with a short time interval on the basis of the first timing signal, and transmitting the wideband pulse through an electrode unit that contacts a human body. | 2010-09-23 |
20100238956 | Methods and systems for distributed synchronization - The invention provides a set of methods and systems for obtaining a synchronized signal in a distributed fashion. The methods and systems described herein allow a node to obtain a periodic signal that would be synchronized with the periodic signal obtained at another node when both nodes follow the same synchronizing procedure, without the need for centralized control of both nodes or the need for all nodes to have coordinated local oscillators. The invention includes beamforming methods and systems for producing a coherent beam at a target location and at a target frequency using the synchronized signal. | 2010-09-23 |
20100238957 | OPO Laser Mid-IR Wavelength Converter - A wavelength converter comprising an arsenic sulfide (As—S) chalcogenide glass fiber coupled to an optical parametric oscillator (OPO) crystal and a laser system using an OPO crystal coupled to an As—S fiber are provided. The OPO receives pump laser radiation from a pump laser and emits laser radiation at a wavelength that is longer than the pump laser radiation. The laser radiation that is emitted from the OPO is input into the As—S fiber, which in turn converts the input wavelength from the OPO to a desired wavelength, for example, a wavelength beyond about 4.4 μm. In an exemplary embodiment, the OPO comprises a periodically poled lithium niobate (PPLN) crystal. The As—S fiber can include any suitable type of optical fiber, such as a conventional core clad fiber, a photonic crystal fiber, or a microstructured fiber. | 2010-09-23 |
20100238958 | FIBER-BASED WAVELENGTH AGILE VISIBLE LASER SOURCE - A system is provided for providing high power, wavelength tunable, laser radiation, the system comprising: a plurality of seeder sources, each the source of the plurality having a different seeder wavelength; a Ytterbium doped amplifier chain, receiving radiation from the plurality of seeder sources and at least one pump source; a second harmonic generator communicating with the Ytterbium doped amplifier chain, the second harmonic generator comprising converting radiation of the seeder wavelength into radiation of a second harmonic wavelength; and wherein the second harmonic generator comprises a crystal having a plurality of grating segments, wherein each grating segment converts radiation of a different wavelength. | 2010-09-23 |
20100238959 | SOLID-STATE LASER DEVICE AND IMAGE DISPLAY DEVICE - A semiconductor laser light source | 2010-09-23 |
20100238960 | INTRACAVITY FREQUENCY CONVERSION OF LASER RADIATION - A laser device with frequency conversion, the device comprising a complex optical cavity comprising two cavity parts with two different levels of circulating intracavity power wherein there is placed at least one non-linear crystal ( | 2010-09-23 |