| 27th week of 2010 patent applcation highlights part 24 |
| Patent application number | Title | Published |
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| 20100172324 | TELECOMMUNICATIONS - The present invention relates to apparatus for and methods of performing a binding procedure in respect of a mobile node in a foreign packet data network, the mobile node having roamed from a an home packet network and having a home packet data protocol address, the method comprising the steps of: the mobile node sending its home packet data protocol address to a node of the network responsible for allocating packet data protocol address to mobile nodes for use in the foreign network (the allocating node); the allocating node allocating or participating in the allocation of a packet data protocol address to the mobile node; the allocating node receiving a packet data protocol address of a receiving node; and in dependence on the received home packet data protocol address, the receiving node packet data protocol address, and the allocated packet data protocol address, the allocating node sending or arranging for another network node to send a message to the receiving node, the message indicating a binding between the allocated packet data protocol and the home packet data protocol address of the mobile node. | 2010-07-08 |
| 20100172325 | METHOD FOR PERFORMING ZONE SWITCHING IN BROADBAND WIRELESS ACCESS SYSTEM - A device, system and method for performing zone switch based handover in a legacy serving base station by an advanced mobile station (AMS), the method including receiving a ranging response (RNG-RSP) message including a zone switching TLV parameter necessary to perform zone switching to an advanced mobile station support zone (MZone) from a legacy zone (LZone) of a target advanced base station (ABS), and requesting a bandwidth for transmitting an advanced air interface ranging request (AAI_RNG-REQ) message to the MZone using the zone switching TLV parameter. | 2010-07-08 |
| 20100172326 | SYSTEM AND METHOD FOR OPTIMIZING HANDOVER IN MOBILE COMMUNICATION SYSTEM - Disclosed are a system and a method for optimizing a handover process in a mobile broadband wireless access system. The method performs handover in a mobile communication system including a mobile subscriber station, a serving base station currently providing service to the mobile subscriber station, and at least one neighbor base stations adjacent to the serving base station. The method includes the steps of receiving a handover request from the mobile subscriber station by the serving base station; instructing the mobile subscriber station to perform handover by the serving base station in response to the handover request from the mobile subscriber station and performing by the mobile subscriber station a network reentry process for fast handover in accordance with information included in a handover instruction from the serving base station. | 2010-07-08 |
| 20100172327 | METHOD FOR RECEIVING BROADCASTING SIGNAL AND BROADCASTING RECEIVER - A method for receiving a broadcasting signal and a broadcasting signal receiver are disclosed. Even when a cell is changed while an emergency alert is output, the emergency alert can be continuously output using emergency alert table information included in the broadcasting signal and channel information of the cell. The emergency alert table information may include a cell identifier and the channel information of the cell may include virtual channel information of the cell. | 2010-07-08 |
| 20100172328 | METHOD AND SYSTEM FOR DATALINK GROUND STATION SELECTION - A method for selecting a ground station for communication with an aerial vehicle is provided. The method comprises receiving at an aerial vehicle one or more messages from one or more ground stations. The method includes storing one or more signal strength values corresponding to the one or more received messages in a data structure for each respective one or more ground stations received during a predefined time period. The data structures for each of the one or more ground stations is updated. The average of the signal strength values stored in each data structure is calculated. The method compares the average signal strength of each of the one or more ground stations and selects which ground station the aerial vehicle is to communicate with based on predefined criteria. | 2010-07-08 |
| 20100172329 | HANDOVER CONTROL APPARATUS, MOBILE STATION, BASE STATION, HANDOVER CONTROL SERVER, AND HANDOVER CONTROL METHOD - In handover control, a data collection unit collects measurement data that indicates communication quality of uplink and downlink paths between a mobile station and base stations. A candidate evaluation unit evaluates which base station is optimal for uplink, as well as which base station is optimal for downlink, based on the measurement data. A station selection unit determines which link has priority, either uplink or downlink, according to the class of data services that the mobile station uses in radio communication, and selects as a target base station for handover the base station that has been determined as being optimal for the link having priority. | 2010-07-08 |
| 20100172330 | METHOD FOR SIGNAL TRANSMISSION IN WIRELESS SYSTEMS - Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly use time and frequency resources for efficient code hopping. The method includes allocating the same frequency-axis sequence and different time-axis sequences to a plurality of terminals by using a resource index according to a first slot in the first slot; and allocating different frequency-axis sequences and different time-axis sequences to the plurality of terminals by using a resource index according to a second slot in the second slot. | 2010-07-08 |
| 20100172331 | SYSTEMS AND METHODS FOR SHIFTING THE POSITION OF A SYMBOL TO REDUCE TRANSMISSION OVERHEAD - A method for shifting the position of a symbol to reduce transmission overhead is described. A frame with a plurality of symbols is provided. A determination is made whether the frame includes an indication of an event. At least one symbol of the plurality of symbols is shifted based on the determination. A counter is set to an initial value. The frame with the at least one shifted symbol is transmitted. | 2010-07-08 |
| 20100172332 | Method and apparatus for controlling a vocoder mode in a packet switched voice wirelss network - A method for controlling speech vocoder rates in a packet switched voice wireless network, comprises a base station included in the network controlling the adaptive multirate (AMR) codec rate. The network may be in accordance with LTE standards and the base station be an eNB. | 2010-07-08 |
| 20100172333 | Method of conditionally routing a call made to a fixed telephone number - The invention relates to a method of routing a call made by a calling party to a fixed telephone number of a called party, wherein the call is routed to one or more mobile terminals ( | 2010-07-08 |
| 20100172334 | WIRELESS NETWORK AND METHOD FOR COMMUNICATING AGGREGATED PACKETS - Embodiments of a wireless network and method for communicating aggregated packets are generally described herein. In some embodiments, an aggregation header frame that identifies the originator is included in an aggregation of media-access control (MAC) frames to allow the originator to be easily identified when none of the MAC frames are properly received. | 2010-07-08 |
| 20100172335 | Data transmission method and apparatus based on Wi-Fi multimedia - An apparatus can transmit data based on Wi-Fi Multimedia. The apparatus utilizes different retransmission limits for different service types or access categories. Therefore, it is possible to perform data transmission conforming to characteristics of specific services. In particular, the retransmission limit for a data transfer service emphasizing a real-time constraint is set to a value less than that for a data transfer service emphasizing an error-free delivery constraint. | 2010-07-08 |
| 20100172336 | Periodic Location Update Handling - A method and apparatus are provided for providing periodic location updates to a MSC-S in a CS core network providing CS services for a terminal attached to a PS cell of a radio access network such as an LTE radio access network. The method comprises sending periodic location updates from a PCSC in the core network to the MSC-S for as long as the terminal is registered with the PCSC or the PCSC receives location updates from the terminal. | 2010-07-08 |
| 20100172337 | Method and apparatus for multiplexing data and control information in wireless communication systems based on frequency division multiple access - An apparatus for transmitting data in a frequency division multiple access based communication system is disclosed. The apparatus includes a symbol block generator for generating a symbol block in a predetermined symbol block period within one TTI when control information to be transmitted exists in the TTI, an FFT unit for performing FFT on the symbol block, and an IFFT unit for performing IFFT on signals output from the FFT unit and then transmitting the signals. The symbol block includes the control information and data to be transmitted. The TTI includes multiple symbol block periods. | 2010-07-08 |
| 20100172338 | APPARATUS AND METHOD FOR ENABLING COMMUNICATIONS AMONG UNSYNCHRONIZED WIRELESS DEVICES - A method enables a wireless device ( | 2010-07-08 |
| 20100172339 | Method for Estimating Relative Clock Frequency Offsets to Improve Radio Ranging Errors - A method and system improves two-way radio ranging accuracy by estimating a relative clock frequency offset between a first clock X of a first transceiver and a second clock Y a second transceiver. The first transceiver transmits a first packet at time t | 2010-07-08 |
| 20100172340 | Enabling Coordinated Multi-Point Reception - This invention measures the propagation delay τ | 2010-07-08 |
| 20100172341 | Apparatus and method for generating synchronization channel in a wireless communication system - A Synchronization Channel (SCH) transmission method includes generating a Primary SCH (P-SCH) sequence according to supplementary information. The supplementary information includes at least one of Base Station (BS) type information, Fast Fourier Transform (FFT) size information, BandWidth (BW) information, group information, sector information, and carrier type information. The method also includes modulating the P-SCH sequence and mapping the modulated P-SCH sequence to subcarriers within a predefined subcarrier set. The subcarriers are included in the subcarrier set being spaced one subcarrier interval apart. The method further includes generating a P-SCH symbol by Orthogonal Frequency Division Multiplexing (OFDM)-modulating the P-SCH sequence mapped to the subcarriers, and transmitting the P-SCH symbol. | 2010-07-08 |
| 20100172342 | Session Initiation Protocol Message Payload Compression - A method, user terminal, and Session Initiation Protocol (SIP) Application Server for transporting SIP messages across an IP Multimedia network between the user terminal and the SIP Application Server. The sending side compresses message payloads within the application layer and the receiving side decompresses them at the application layer. The compressed message payloads are passed between the application layer and a SIP User Agent via an appropriate Application Programming Interface (API). | 2010-07-08 |
| 20100172343 | Dynamic Network Classification - A round trip time (“RTT”) is measured between a Voice over Internet Protocol (“VoIP”) endpoint and a mediation server across a network. A determination is made whether the measured RTT is consistent with one of a plurality of network classification values. Each of the plurality of network classification values may correspond to a network policy. In response to determining that the measured RTT is consistent with one of the plurality of network classification values, the corresponding network policy is applied to configure bandwidth management on the VoIP endpoint. | 2010-07-08 |
| 20100172344 | WEB SERVICE ASSISTED REAL-TIME SESSION PEERING BETWEEN ENTERPRISE VOIP NETWORKS VIA INTERNET - A system and method enables Voice over IP (VoIP) session peering via Internet. A converged enterprise web server can receive a request from a caller to initiate a session, associate a Service Level Agreement (SLA) and address information of the caller with the request, and then provide the request to a receiver using a first communication protocol. After accepting from the receiver a response to the request if the caller is an allowed partner of the receiver based on the SLA, wherein the response is associated with address information of the receiver, the converged enterprise web server can establish the session between the caller and the receiver using a second communication protocol. | 2010-07-08 |
| 20100172345 | EMERGENCY ASSISTANCE CALLING FOR VOICE OVER IP COMMUNICATIONS SYSTEMS - In accordance with one aspect of the invention there is provided a process for handling emergency calls from a caller in a voice over IP system. The process involves receiving a routing request message including a caller identifier and a callee identifier. The process also involves setting an emergency call flag active in response to the callee identifier matching an emergency call identifier pre-associated with the caller. The process further involves producing an emergency response center identifier in response to the emergency call identifier. The process also involves determining whether the caller identifier is associated with a pre-associated direct inward dialing (DID) identifier. The process further involves producing a direct inward dialing (DID) identifier for the caller by associating a temporary DID identifier with the caller identifier when the emergency call flag is active and it is determined that the caller has no pre-associated DID. The process also involves producing a routing message including the emergency response center identifier and the temporary DID identifier for receipt by a routing controller operable to cause a route to be established between the caller and the emergency response center. | 2010-07-08 |
| 20100172346 | METHOD AND APPARATUS FOR TRANSMITTING GROUPCAST TO SUPPORT VOICE PAGING SERVICE IN VOICE OVER INTERNET PROTOCOL SYSTEM - A method and apparatus for transmitting a groupcast to support a voice paging service in a VoIP system are provided. In the method, a voice paging message is received from a voice paging transmitting terminal and one or more voice paging messages are reproduced from the received voice paging message. A group table is used to change the destination address and port of each of the reproduced voice paging messages into the IP address and port of each of one or more voice paging receiving terminals. Each of the reproduced voice paging messages is unicast on the basis of the changed IP address and port. | 2010-07-08 |
| 20100172347 | VOICE COMMUNICATION BETWEEN USER EQUIPMENT AND NETWORK - User equipment (UE), for communicating wirelessly with communication networks, is disclosed, the UE being adapted so as to be capable of voice communication with communication networks via a plurality of mechanisms, the plurality of mechanisms comprising at least one packet-switched (PS) mechanism and at least one circuit-switched (CS) mechanism. The UE is further adapted, when at a location at which the UE is able to communicate wirelessly with a particular communication network, to communicate with the network to determine which voice communication mechanisms the network is adapted to use. The UE is further adapted to select a voice communication mechanism according to a result of the determination and according to said plurality of mechanisms the UE is adapted to use, and to provide voice communication with the network via the selected mechanism. A corresponding method is disclosed. | 2010-07-08 |
| 20100172348 | NETWORK RELAY APPARATUS AND PACKET DISTRIBUTION METHOD - The present invention provides a network relay apparatus capable of assuring the prevention of occurrence of order reversion of packets within flows and shifting a packet distribution destination according to load information. The network relay apparatus includes: a packet distribution processor for distributing input packets to thereby achieve load dispersion of packet processing; a statistical information collector for regularly collecting load conditions of respective packet processors; and a distribution information holder for retaining information for specifying the packet distribution destinations upon distribution of the packets. Information about the load conditions of the respective packet processors are compiled and distributed to the packet processor smallest in load. Timing provided to change the packet distribution destination is assumed to be given when a processing waiting queue does not include a packet corresponding to its flow. | 2010-07-08 |
| 20100172349 | Fully Connected Generalized Butterfly Fat Tree Networks - A generalized butterfly fat tree network comprising (log | 2010-07-08 |
| 20100172350 | Communications System - A Communications system for communicating over low bandwidth or high latency links incorporates a router MR | 2010-07-08 |
| 20100172351 | METHODS FOR MANAGING MULTICAST TRAFFIC BETWEEN SOURCES SENDING DATA AND HOSTS REQUESTING DATA AND NETWORK EQUIPMENT USED TO IMPLEMENT THE METHODS - A device, system and method for controlling the flow of multicast data packets from sources sending data to hosts requesting the data. In one implementation, a router is situated in a data network between sources that send multicast data packets directed to a multicast group and hosts requesting to receive the multicast data packets. The router has one or more network interfaces in the direction of the hosts and stores for each network interface, each multicast group address and each host at least one data record arising from one or more data requests made by the hosts which includes multicast group and source information. The router stores executable instructions to receive messages originating from a host, update the status of the data sources for that host and implement the actions according to one or a combination of Tables 3, 4, 5, 6 and 7 disclosed herein. | 2010-07-08 |
| 20100172352 | METHODS FOR MANAGING MULTICAST TRAFFIC BETWEEN SOURCES SENDING DATA AND HOSTS REQUESTING DATA AND NETWORK EQUIPMENT USED TO IMPLEMENT THE METHODS - A device, system and method for controlling the flow of multicast data packets from sources sending data to hosts requesting the data. In one implementation, a router is situated in a data network between sources that send multicast data packets directed to a multicast group and hosts requesting to receive the multicast data packets. The router has one or more network interfaces in the direction of the hosts and stores for each network interface, each multicast group address and each host at least one data record arising from one or more data requests made by the hosts which includes multicast group and source information. The router stores executable instructions to receive messages originating from a host, update the status of the data sources for that host and implement the actions according to one or a combination of Tables 3, 4, 5, 6 and 7 disclosed herein. | 2010-07-08 |
| 20100172353 | METHODS FOR MANAGING MULTICAST TRAFFIC BETWEEN SOURCES SENDING DATA AND HOSTS REQUESTING DATA AND NETWORK EQUIPMENT USED TO IMPLEMENT THE METHODS - A device, system and method for controlling the flow of multicast data packets from sources sending data to hosts requesting the data. In one implementation, a router is situated in a data network between sources that send multicast data packets directed to a multicast group and hosts requesting to receive the multicast data packets. The router has one or more network interfaces in the direction of the hosts and stores for each network interface, each multicast group address and each host at least one data record arising from one or more data requests made by the hosts which includes multicast group and source information. The router stores executable instructions to receive messages originating from a host, update the status of the data sources for that host and implement the actions according to one or a combination of Tables 3, 4, 5, 6 and 7 disclosed herein. | 2010-07-08 |
| 20100172354 | MULTICAST SYSTEM USING CLIENT FORWARDING - A system and method are disclosed for multicasting information to a set of clients that includes transmitting the information to a primary client from a server and instructing the primary client to forward the information to a secondary client. | 2010-07-08 |
| 20100172355 | Rapid I/O Traffic System - High speed networking systems such as PCI-Express and Serial Rapid I/O are based on the exchange of packets across switched networks of high speed serial links. Information in the headers of these packets indicate the kind of transaction they represent. Queuing all received packets in a single queue will cause interactions between transaction types. Indirection can be used create the effect of multiple independent queues from a shared memory. This provides efficient centralized packet storage, while allowing independent processing of different transactions types. | 2010-07-08 |
| 20100172356 | PARSING OUT OF ORDER DATA PACKETS AT A CONTENT GATEWAY OF A NETWORK - In one embodiment, a method includes receiving, at a local node of a network, a sequenced data packet of a flow made up of multiple sequenced data packets from a source node directed toward a destination node. The flow is to be parsed by the local node to describe the flow for administration of the network. Based on sequence data in the sequenced data packet, it is determined whether the sequenced data packet is out of order in the flow. If it is determined that the sequenced data packet is out of order, then the sequenced data packet is forwarded toward the destination node before parsing the sequenced data packet. The out of order sequenced data packet is also stored for subsequent parsing at the local node. | 2010-07-08 |
| 20100172357 | MINIMIZING EFFECTS OF PACKET DELAY VARIATION IN TIME-DIVISION MULTIPLEXING PSEUDOWIRE SERVICES - Various exemplary embodiments relate to a method and related node for outputting packets from a playout buffer in a node in a packet-switched network including one or more of the following: configuring a Time-Division Multiplexing (TDM) pseudowire terminating at the node; receiving a plurality of fixed-length packets transmitted over the TDM pseudowire; adding the plurality of fixed-length packets to the playout buffer such that the playout buffer reaches a current fill level; inserting at least one dummy packet into the playout buffer, wherein a total length of the at least one dummy packet is equal to a target fill level of the playout buffer minus the current fill level and the target fill level represents a minimum fill level required before output of packets from the playout buffer; and outputting the plurality of fixed-length packets and the at least one dummy packet from the playout buffer. | 2010-07-08 |
| 20100172358 | Quality of Service Support for A/V Streams - An access control mechanism in a network connecting one or more sink devices to a server providing audio/visual data (A/V) in streams. As a sink device requests access, the server measures available bandwidth to the sink device. If the measurement of available bandwidth is completed before the sink device requests a stream of audio/visual data, the measured available bandwidth is used to set transmission parameters of the data stream in accordance with a Quality of Service (QoS) policy. If the measurement is not completed when the data stream is requested, the data stream is nonetheless transmitted. In this scenario, the data stream may be transmitted using parameters computed using a cached measurement of the available bandwidth to the sink device. If no cached measurement is available, the data stream is transmitted with a low priority until a measurement can be made. Once the measurement is available, the transmission parameters of the data stream are re-set. With this access control mechanism, A/V streams may be provided with low latency but with transmission parameters accurately set in accordance with the QoS policy. | 2010-07-08 |
| 20100172359 | INTELLIGENT ALG FUNCTIONALITY IN NETWORKS SUPPORTING ENDPOINTS PERFORMING NETWORK ADDRESS TRANSLATION - In one embodiment, a signaling message is received from an endpoint. It is determined from the signaling message whether, prior to sending the signaling message, the endpoint performed network address translation on the body of the signaling message. If it is determined from the signaling message that, prior to sending the signaling message, the endpoint did not perform network address translation on the body of the signaling message, application layer gateway functionality is applied to the body of the signaling message such that a modified signaling message is generated. | 2010-07-08 |
| 20100172360 | BEST EFFORT SEAMLESS NETWORK SWITCH IN A MEDIA STREAMING SESSION - Systems, methods, and machine-readable media are disclosed for switching a media streaming session between a plurality of networks. In one embodiment, a method of switching networks in a media streaming session can comprise detecting a plurality of networks available for communication of streaming data. The plurality of networks can include a first network providing a first streaming session and a second network. A determination can be made as to whether to switch the first streaming session from the first network. Determining to switch the first streaming session from the first network to the second network can be based on detecting a loss of the first network, detecting a lower cost alternative to the first network, etc. In response to determining to switch the first streaming session from the first network, the first streaming session can be switched from the first network to the second network. | 2010-07-08 |
| 20100172361 | METHOD AND APPARATUS FOR RELIABLE COMMUNICATIONS IN A PACKET NETWORK - A system and method are disclosed for reliable communications in a packet network. A system that incorporates teachings of the present disclosure may include, for example, a network management system (NMS) having a controller programmed to establish between first and second customer edge (CE) routers in a full mesh packet network first and second logical data tunnels conforming to an isolation protocol, synchronize packet data in the first and second logical data tunnels, enable packet data exchanges between the first and second CE routers over the first logical data tunnel, direct the first and second CE routers to duplicate the packet data exchanged between them over the second logical data tunnel, and direct the first and second CE routers to synchronously switch to the second logical data tunnel upon detecting a fault in the first logical data tunnel. | 2010-07-08 |
| 20100172362 | HOUSEHOLD GATEWAY SUBSYSTEM AND DIGITAL HOUSEHOLD SYSTEM BASED ON BUS - A household gateway subsystem, the subsystem comprises: a host device, for connecting an external network with the interior of the household, and controlling various information appliances in the household based on a digital bus; a user operating device, for communicating with the host device via a digital bus interface, and providing various user operating interfaces and control units. A digital household system is also provided, the system comprises: a household gateway subsystem, connected with an external communicating network by IP access; the household gateway subsystem comprises: a host device; a user operating device, for communicating with the host device via a digital bus interface; a number of wireless signal transceivers, connected with the host device of the household gateway subsystem. | 2010-07-08 |
| 20100172363 | SYSTEMS AND METHODS FOR CONGESTION CONTROL USING RANDOM EARLY DROP AT HEAD OF BUFFER - A system selectively drops data from a queue. The system includes queues that temporarily store data, a dequeue engine that dequeues data from the queues, and a drop engine that operates independently from the dequeue engine. The drop engine selects one of the queues to examine, determines whether to drop data from a head of the examined queue, and marks the data based on a result of the determination. | 2010-07-08 |
| 20100172364 | FLEXIBLE QUEUE AND STREAM MAPPING SYSTEMS AND METHODS - A system processes data corresponding to multiple data streams. The system includes multiple queues that store the data, stream-to-queue logic, dequeue logic, and queue-to-stream logic. Each of the queues is assigned to one of the streams based on a predefined queue-to-stream assignment. The stream-to-queue logic identifies which of the queues has data to be processed. The dequeue logic processes data in the identified queues. The queue-to-stream logic identifies which of the streams correspond to the identified queues. | 2010-07-08 |
| 20100172365 | HiGig AUTOTRUNKING - A method and system for automatically trunking ports connecting network devices arranged in a stacked configuration is provided. The method includes sending a packet, from a sending network device to at least one other receiving network device, through each of a plurality of ports of the network device. The packet includes at least an identifier for identifying the sending network device. The receiving network device maintains a table identifying which ports are connected to a neighboring network device. The network device automatically trunks the ports which are connected to the same network device; | 2010-07-08 |
| 20100172366 | SEMICONDUCTOR INTEGRATED CIRCUIT AND FILTER CONTROL METHOD - A semiconductor integrated circuit of the invention comprises a plurality of cores, and an interconnecting network including adaptors connected to each of the cores and a plurality of routers connecting the adaptors to communicate therebetween. The adaptors keep delivery information indicating a delivery condition of a request signal received from the cores and control delivery of the request signal received from the cores in accordance with the delivery information. | 2010-07-08 |
| 20100172367 | NETWORK BASED BANDWIDTH CONTROL IN IMS SYSTEMS - Systems and methods according to the present invention address this need and others by improving IMS service within the communications field. More particularly, systems and methods are described for controlling bandwidth. | 2010-07-08 |
| 20100172368 | MEDIA ACCESS CONTROL FOR A SET OF DOWNSTREAM AND UPSTREAM CHANNELS IN A SHARE-MEDIA NETWORK - In a point to multi-point share-media network, method and apparatus of media access control (MAC) for a modem termination system (MTS) to communicate with a plurality of modems over a set of downstream and upstream channels comprising the steps of designating a MAC domain comprising the set of downstream and upstream channels, in which a primary downstream channel and a primary upstream channel being chosen from the set of channels for MAC message exchanges between the MTS and the modems; establishing synchronization with the modems; calibrating upstream transmission parameters and registering each of the modems; receiving without error a bandwidth request from the modem in one of the allocated contention transmission time slots; and transmitting a bandwidth grant to the modems to transmit a number of bytes, starting at a specified time and at a periodic time interval thereafter, with a specified burst profile, and in a specified upstream channel. | 2010-07-08 |
| 20100172369 | COMMUNICATION METHOD AND COMMUNICATION APPARATUS - A communication method of communicating among a plurality of communication apparatuses connected to a transmission channel and sharing a communication band is provided. The communication method includes: sequentially updating a slot ID with the lapse of time by a first communication apparatus; transmitting first data and a first access ID to the transmission channel by the first communication apparatus after the lapse of a first waiting time and when the slot ID is updated to a first slot ID corresponding to the first access ID; transmitting second data and a second slot ID to the transmission channel by a second communication apparatus after the lapse of a second waiting time longer than the first waiting time; and receiving the second slot ID by the first communication apparatus. In updating the slot ID, the slot ID is updated to a slot ID subsequent to the second slot ID. | 2010-07-08 |
| 20100172370 | NETWORK DEVICE - A disclosed network device includes a plurality of interface cards that receive clock signals and clock signal quality information from other devices via communication lines, respectively being predetermined communication line types corresponding to the plurality of interface cards, a controller that acquires the clock signal quality information and determines one of the clock signals having a highest quality based on this, and a clock processor that generates a synchronization clock signal used for network synchronization the clock processor, based on the determined one of the clock signals, whereby the clock processor includes a frequency measuring instrument that measures a frequency component of the one of the clock signals, and determines the communication line type corresponding to one of the interface cards, and a clock controller that provides a coefficient to a digital filter based on the determined communication line type. | 2010-07-08 |
| 20100172371 | NETWORK SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD THEREOF - A network signal processing apparatus includes: a transceiver for transmitting or receiving a network signal, and a transformer coupled to the transceiver and a network connecting port for transmitting or receiving the network signal. The transformer includes: a first coil, which is coupled to the transceiver and has a first turn number; and a second coil, which is coupled to the network connecting port and has a second turn number. The second turn number is different from the first turn number. | 2010-07-08 |
| 20100172372 | INDUSTRIAL ETHERNET COMMUNICATIONS ADAPTER - Communications adapters and methods are provided for interfacing communications for an EtherNet/Ip or other general purpose industrial network, a Fieldbus or other open protocol device network, and a PointBus or other proprietary network. The adapter may be integrated in a module of a backplane system with connections to the general purpose, proprietary, and open protocol device networks, and provides a bridging for communications across the networks to make devices on the proprietary and open protocol networks accessible as if they were on a single device network and with sequential addressing capabilities. | 2010-07-08 |
| 20100172373 | CONTROL DATA COMMUNICATION METHOD AND APPARATUS THEREOF - A control data communication method for multiplexing and transmitting a plurality of mutually independent types of control data by using a control channel and for separating the control data received from the control channel includes changing and transmitting patterns of reference signals included in the control channel according to a format for multiplexing the control data, detecting the format for multiplexing the transmitted control data according to the pattern of the reference signals included in the control channel, and separating the control data in correspondence with the detected format. | 2010-07-08 |
| 20100172374 | SYSTEM AND METHOD FOR TRANSPORT OF A CONSTANT BIT RATE STREAM - The present invention concerns a transmitter and a receiver and a method thereof for permitting a receiver to reconstruct a stream at a constant bit rate. In particular it concerns a method for transmitting first packets encapsulated in second packets in a transmission system, comprising the steps, at the transmitter, of collecting a predetermined number of the first packets, and triggering transmission of the second packet encapsulating the collected first packets, the second packet comprising a timestamp for each one of the first packets. | 2010-07-08 |
| 20100172375 | IP HEADER COMPRESSION CONTEXT IDENTIFIER SYNERGISM - Various exemplary embodiments relate to a method and related network node including one or more of the following: establishing a plurality of flows; assigning a context identifier to each flow, wherein a length of each context identifier for a first subset of the flows is a first number of bits and a length of each context identifier for a second subset of the flows is a second number of bits greater than the first number of bits; receiving a packet associated with a new flow, wherein a value of a context identifier assigned to the new flow must fit within the first number of bits; determining that the context identifiers for the plurality of flows have occupied all values within the first number of bits; assigning a context identifier of an existing flow to the new flow; and assigning a new context identifier to the existing flow. | 2010-07-08 |
| 20100172376 | Apparatus And Method For Constructing A Data Unit That Includes A Buffer Status Report - An apparatus and method for constructing a data unit that includes a buffer status report (BSR) such that when BSR triggering is performed, the size(s) of the necessary sub-header(s) are also to be considered together in addition to the BSR size. There is a checking unit that checks whether any padding region is available in a MAC PDU that was constructed, a comparing unit that compares the number of padding bits with the size of a buffer status report (BSR) plus its sub-header, and a processing unit that cooperates with the checking unit and the comparing unit to trigger a buffer status report (BSR) procedure if the number of padding bits is larger than the size of the BSR plus its sub-header, including the BSR and its sub-header in the MAC PDU, and setting an LCID in the sub-header to indicate a BSR is included, the BSR having been triggered due to padding. Using such apparatus allows the sub-header(s) to be inserted (included) into the MAC PDU (or transport block (TB) or other data unit). | 2010-07-08 |
| 20100172377 | Method of processing traffic information and digital broadcast system - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 2010-07-08 |
| 20100172378 | METHOD AND SYSTEM FOR SAVING BANDWIDTH DURING BROADCASTING/MULTICASTING - Multi-channel network communication is improved by reducing the amount of data that is transmitted over connections that can stem from a similar source. Content of data packets transmitted from the source are reduced and the result is compared to previously transmitted data packets. If identical packets are found, then only an identification of the packet is transmitted. At the receiving side, the identification is used to identify a previously received data packet and use that as though it was the recently received packet. If a similar packet is identified, then the identification of the similar packet, along with change information is transmitted to the receiving side | 2010-07-08 |
| 20100172379 | METHOD FOR SYNCHRONIZING A TRANSMISSION OF APPLICATIONS DATA FRAMES, CORRESPONDING SENDER AND RECEIVER DEVICES AND STORAGE MEANS - It is proposed a method for synchronizing a transmission of applications data frames provided to a sender device, the transmission being done between said sender device and at least one receiver device via a synchronous communications network implementing a clock that defines a network cycle. | 2010-07-08 |
| 20100172380 | MODE-LOCKED LASER - The present disclosure provides in a first aspect a mode-locked laser for generating laser pulses. The mode-locked laser comprises an optical coupler and a first optical path capable of carrying optical signals from and to the optical coupler. The first optical path includes an optical amplifier that is arranged so that saturation of optical amplification causes amplitude modulation of the light. The optical amplifier has a saturation time that is shorter than a pulse transition period of the mode-locked laser and is arranged for recovery of amplifying properties after the saturation within a period of time that is shorter than the pulse transition period of the mode-locked laser. The laser further comprises a second optical path capable of carrying optical signals from and to the optical coupler. The second optical path includes an optical isolator. The first optical path has a non-linear property and is arranged so that, when a light pulse that is received from the second optical path is split by the optical coupler into component light pulses that are directed in opposite directions in the first optical path, the component light pulses experience differing shifts in phase and wherein the mode-locked laser is arranged so that mode-locked lasing is initiated by a light pulse that is amplitude modulated by the optical amplifier. | 2010-07-08 |
| 20100172381 | Apparatus and method for generating short optical pulses - An apparatus for generating short optical pulses is provided having a storage medium capable of storing optical energy, a first module for delivering pumping optical pulses or continuous beam into the storage medium to energize the storage medium, and a second module for delivering one or more trigger optical pulses to the optical storage medium. Each of the trigger optical pulses has a rising edge which causes a cascade release of the energy stored in the storage medium in an output optical pulse having a greater power and narrower in width or duration (at full width at half maximum) than the trigger optical pulse that caused the output pulse. A control module in the apparatus controls the operation of the pump module and trigger module so as to provide the desired characteristics of output optical pulses from the apparatus. | 2010-07-08 |
| 20100172382 | APPARATUS AND METHOD FOR GENERATING FREQUENCY-VARIABLE SIGNAL - An apparatus for generating a frequency-variable signal includes a light source; first and second resonators, to which the optical signals from the light source are input; a structure optically connected to the first resonator so as to be deformable by strain; a first and a second optical fiber gratings located on the structure to filter optical signals of a first wavelength and a second wavelength, respectively; and a photoelectric converter optically connected to the first resonator to generate a signal of a frequency corresponding to an interval between the first wavelength and the second wavelength. The interval between the first wavelength and the second wavelength corresponds to a degree of deformation of the structure. | 2010-07-08 |
| 20100172383 | Multivariable control system with state feedback - A system and method for controlling the output of a semiconductor laser is presented. The system and method includes using non-linear equations to calculate a state space model of the laser around an operating point. Adaptive algorithms are calculated and control signals determined using a controller to determine appropriate control laws and cost functions, which are then optimized and used to feed back a control signal to the semiconductor laser to improve the performance and stabilize the output of the laser. | 2010-07-08 |
| 20100172384 | Circuit and method for controlling light-emitting components - In order to further develop a circuit arrangement or circuit, in particular driver circuit, and a method for controlling at least one light-emitting component, in particular at least one electro-optical transducer, for example at least one light-emitting diode (LED) or electroluminescent diode or at least one laser, such as at least one semiconductor laser, by switching at least one switching element at least between a first switching position and a second switching position, at least one further circuit component is switched to active or switched on in the second switching position, so that current drain and output resistance are as low as possible, so that the highest possible frequency or switching speed as well as the highest possible output voltage for the light-emitting component can be achieved, it is proposed that the light-emitting component is controlled by varying its operating voltage. | 2010-07-08 |
| 20100172385 | Circuit and method for controlling light-emitting components - Circuit arrangement or circuit, in particular driver circuit, and a method for controlling at least one light-emitting component, such as an electro-optical transducer, a light-emitting diode (LED), an electroluminescent diode, a laser, or a semiconductor laser, by switching a switching element between a first switching position and a second switching position, and the voltage supply is effected by a supply element, such as a voltage source or a current source supported by a decoupling capacitor on the output side, so that current drain and output resistance are as low as possible, so that the highest possible frequency or switching speed as well as the highest possible output voltage for the light-emitting component can be achieved, the light-emitting component is controlled by varying its operating voltage, in particular by switching between the switching positions, and the first and second switching positions are of low impedance for the operating frequency. | 2010-07-08 |
| 20100172386 | PARTICLE DAMAGE PROTECTION FOR HIGH POWER CO2 SLAB LASER MIRRORS | 2010-07-08 |
| 20100172387 | NITRIDE SEMICONDUCTOR LASER DIODE - A nitride semiconductor laser device includes: a substrate made of silicon in which a plane orientation of a principal surface is a {100} plane; and a semiconductor laminate that includes a plurality of semiconductor layers formed on the substrate and includes a multiple quantum well active layer, each of the plurality of semiconductor layers being made of group III-V nitride. The semiconductor laminate has a plane parallel to a {011} plane which is a plane orientation of silicon as a cleavage face and the cleavage face constructs a facet mirror. | 2010-07-08 |
| 20100172388 | LIGHT EMITTING DEVICE - A light emitting device includes: a semiconductor laser element having a first emission face for emitting laser light; a light guiding body buried in the concave portion of the supporting base, guiding the laser light emitted from the semiconductor laser element, and having an incident face to which the laser light enters, and a second emission face from which the laser light traveling through the light guiding body is emitted, the incident face of the light guiding body being such a curved face that an incident angle of the laser light is within a predetermined range including the Brewster angle in a plane formed by a traveling direction of the laser light and a short axis of a light emitting spot of the laser light; and a fluorescent substance scattered in the light guiding body, absorbing the laser light, and emitting the light having a different wavelength from a wavelength of the laser light. | 2010-07-08 |
| 20100172389 | TWO-DIMENSIONAL PHOTONIC CRYSTAL PLANE EMISSION LASER - A two-dimensional photonic crystal plane emission laser of the invention includes a two-dimensional photonic crystal which has a two-dimensional photonic crystal area and a light reflecting area, and which selects a wavelength of light to be generated in an active layer. The light reflecting area is formed in such a manner that when light leaking from the two-dimensional photonic crystal area and reflected on a reflecting surface of the light reflecting area is returned to the two-dimensional photonic crystal area, the reflection light is combined with a standing wave residing in a propagating direction of the reflection light without disturbing its resonant state. | 2010-07-08 |
| 20100172390 | SURFACE-EMITTING LASER ELEMENT, FABRICATION METHOD THEREOF, SURFACE-EMITTING LASER ARRAY, AND FABRICATION METHOD THEREOF - A fabrication method of a surface-emitting laser element includes a step of preparing a conductive GaN multiple-region substrate including a high dislocation density high conductance region, a low dislocation density high conductance region and a low dislocation density low conductance region, as a conductive GaN substrate; a semiconductor layer stack formation step of forming a plurality of group III-V compound semiconductor layer stack including an emission layer on the substrate; and an electrode formation step of forming a semiconductor side electrode and a substrate side electrode. The semiconductor layer and electrodes are formed such that an emission region into which carriers flow in the emission layer is located above and within the span of the low dislocation density high conductance region. Thus, a surface-emitting laser element having uniform light emission at the emission region can be obtained with favorable yield. | 2010-07-08 |
| 20100172391 | Method for Testing a Frying Oil Tester - A method for testing a measuring device is used to determine a permittivity of a frying fat which permittivity is inter alia dependent on the temperature, while taking into consideration the temperature. The method is characterized in that the permittivity is measured at least two different temperatures and the temperature dependence is determined and is used to make a statement on the ability to function of the measuring device. | 2010-07-08 |
| 20100172392 | MEASUREMENT ARRANGEMENT FOR MEASURING A TEMPERATURE OF A RECHARGEABLE POWER SUPPLY DEVICE - A measurement arrangement for measuring a temperature of a rechargeable power supply device, such as a battery pack, for an electrical appliance. The power supply device has at least one measurement object, such as a battery. At least one thermosensor element, such as a PTC or NTC resistor, is provided on a ribbon cable and is positioned between the measurement object and an outer sheath. | 2010-07-08 |
| 20100172393 | PULSE ARBITRATION FOR NETWORK COMMUNICATIONS - An apparatus for communications configured to support first and second spread-spectrum channels, each of the first and second channels being based on a different pseudorandom sequence. The apparatus further configured to select one of the first and second channels for communications to avoid a collision of information that would otherwise occur based on their pseudorandom sequences. | 2010-07-08 |
| 20100172394 | METHOD OF AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL AT VARIABLE DATA RATE IN HUMAN BODY COMMUNICATIONS - Provided are a method and apparatus for transmitting and receiving a signal at a variable data rate in human body communications. The apparatus includes a header generator, a data generator, a spreader, and a multiplexer. The header generator generates header information including a data rate. The data generator generates transmission data by repeating each data bit to be transmitted 0 to several times according to the data rate. The spreader spreads the transmission data using a spreading code in a desired frequency band. The multiplexer multiplexes the header information and the spread data. | 2010-07-08 |
| 20100172395 | MULTI-CARRIER TRANSMITTER DESIGN ON ADJACENT CARRIERS IN A SINGLE FREQUENCY BAND ON THE UPLINK IN W-CDMA/HSPA - Systems and methodologies are described that facilitate synthesizing a single baseband waveform from digital signals related to multiple carriers. Digital signals can be received relating to a plurality of carriers. The digital signals can result from spreading data symbols from transport blocks to create chip sequences, which can additionally be pulse shaped. The digital signals can be rotated in a positive or negative direction, such as according to a complex sinusoid or a negative representation thereof. The rotated signals can be combined or added to generate a single baseband waveform. The single baseband waveform can be converted to an analog signal, which can be up-converted and centered at a plurality of frequency carriers, which can be adjacent, assigned for transmitting the signal. In addition, optimizations can be provided to ensure threshold power ratio over the plurality of carriers for effectively transmitting jointly encoded signals. | 2010-07-08 |
| 20100172396 | METHOD AND APPARATUS FOR SETTING RECEIVED SIGNAL PROCESSING DELAYS AS A FUNCTION OF CHANNEL DISPERSIVENESS - A method and apparatus provide for setting processing delay assignments in a CDMA receiver using a flat-channel placement or using a dispersive channel placement, in dependence on characterizing the channel as flat or dispersive. For example, a receiver maintains a logical flag reliably indicating the current channel state as flat or dispersive, and assigns or otherwise sets processing delays—e.g., for received signal demodulation—using a flat-channel placement algorithm or a dispersive-channel placement algorithm. The “flat-channel” placement algorithm generally provides better performance in flat-channel environments, and the “dispersive-channel” placement algorithm generally provides better performance in dispersive channel environments. Such processing may be regarded as “activating” a simplified processing delay placement grid that offers better performance if the channel truly is flat, with the underlying advantage of providing a reliable mechanism for detecting flat channel conditions. | 2010-07-08 |
| 20100172397 | METHOD AND SYSTEM FOR DIVERSITY PROCESSING - In an RF communication system, aspects for diversity processing may comprise processing a plurality of received multipath signals as clusters of signals. The received multipath signals may be diversity signals received from diversity transmit antennas at a base station. Timing information may be generated for tracking the clusters of signals. Complex phase and amplitude information may also be estimated for at least some of the multipath signals in the clusters of signals. At least a portion of the received multipath signals may be combined to form a single path processed diversity signal. A plurality of the single path processed diversity signals may be combined together, where each of the single path processed diversity signals may be derived from one of the plurality of diversity transmit antennas at the base station. The diversity signals may be transmitted via at least one of a plurality of diversity modes. | 2010-07-08 |
| 20100172398 | Transceiver Amplifier And Delay Deviation Compensation Method - A feedback section acquires an analog signal that has passed through a band-pass filter, and converts the analog signal to a digital signal. A digital signal processing section compares the digital signal obtained from the feedback section and an input digital signal with each other to measure modulation accuracy, and performs delay correction on a subsequently input digital signal so as to improve the modulation accuracy. | 2010-07-08 |
| 20100172399 | CHANNEL SELECTION EXPLOITING MULTIPLE OBSERVATIONS OF THE CHANNEL DELAY SPREAD - A method, a mobile system, and a user device for determining a delay spread are disclosed. A memory | 2010-07-08 |
| 20100172400 | ADAPTIVE EQUALIZATION APPARATUS WITH EQUALIZATION PARAMETER SETTING ADPATIVELY ADJUSTED ACCORDING TO EDGES OF EQUALIZER OUTPUT MONITORED IN REAL-TIME MANNER AND RELATED METHOD THEREOF - An adaptive equalization apparatus is provided. The adaptive equalization apparatus includes an equalizer, a monitor circuit, and a control circuit. The equalizer receives a first signal, and equalizes the first signal according to an equalization parameter setting to thereby generate a second signal. The monitor circuit is electrically connected to the equalizer, and monitors edges of the second signal in a real-time manner to thereby generate a detection result. The control logic is electrically connected to the equalizer, and adaptively adjusts the equalization parameter setting according to the detection result. | 2010-07-08 |
| 20100172401 | ELECTRICAL PULSE DATA TRANSMISSION USING A LOOK-UP TABLE - Input data is encoded using a look-up table and then transmitted over a conductive transmission medium as a series of electrical pulses. The look-up table includes data elements. The length of each pulse is calibrated to correspond to one of the data elements in the look-up table. Upon receipt at another end of the transmission medium, the data is decoded using a look-up table. This decoding includes measuring the length of each received pulse to match the measured length to a corresponding one of the data elements in the look-up table. | 2010-07-08 |
| 20100172402 | Content Distribution Systems and Methods - A content distribution system and method receives content from a content source and decodes the received content. The system and method identifies at least one undesired virtual channel associated with the received content and removes content associated with the undesired virtual channel. The remaining content is then consolidated into a consolidated frequency range, encoded, and distributed within a distribution environment. | 2010-07-08 |
| 20100172403 | REAL-TIME AND BANDWIDTH EFFICIENT CAPTURE AND DELIVERY OF LIVE VIDEO TO MULTIPLE DESTINATIONS - Disclosed is a method and system to deliver real-time video data over the Internet in a bandwidth efficient manner. A streaming processor receives raw video data from a video source and communicates a compressed version of the video data to a reflector network. The video data is compress by grouping pixels into blocks and comparing blocks of adjacent frames of video data to identify any changes. Only blocks that have been changed are transmitted to the reflector network. In addition, if a block has been changed in a manner to create a previously transmitted block, then only an identification index for the block is transmitted. The actual content of the block can then be recreated by comparing the index to a list of previously received blocks. The reflector network provides the compressed video stream to multiple clients through a series of reflectors. Each client can customize the quality of the video stream received by requesting a full-stream of a sub-stream from the reflector network. | 2010-07-08 |
| 20100172404 | Method and System for Providing Region-of-Interest Video Compression - Embodiments of the present invention provide for a region-of-interest compression methodology wherein a variety of encoders may be utilized to perform video compression on a plurality of filtered video frames without the need to generate specific instructions for each of the variety of encoders. Embodiments of the present invention receive a video frame and create a region-of-interest map based on the received video frame. The region-of-interest map is utilized to create a filtered video frame based on the received video frame. This process may be repeated for each video frame within a video stream, thereby creating a plurality of filtered video frames. The plurality of filtered video frames is transmitted to an encoder for video compression. | 2010-07-08 |
| 20100172405 | System and method for time optimized encoding - The present disclosure is directed towards a system and method for time optimized encoding. Time optimized encoding maximizes the usage of the multiple encode nodes or clusters by parallelizing time-intensive encoding with minimal or no sacrifice of encoding quality. Thereby, reducing the time required for accomplishing the time intensive encoding and increasing the efficient throughput of multiple encodes through the system. | 2010-07-08 |
| 20100172406 | MOVING PICTURE CODING METHOD AND MOVING PICTURE DECODING METHOD - A moving picture coding apparatus (10 | 2010-07-08 |
| 20100172407 | METHODS AND APPARATUS TO MONITOR AUDIO/VISUAL CONTENT FROM VARIOUS SOURCES - Methods and apparatus to monitor audio/visual content from various sources are disclosed. An example method to monitor a media content presentation comprises determining whether an audio signal is muted based on whether a number of zero crossings exceeds a threshold, and based on whether the audio signal is determined to be muted, using the audio signal to at least one of determine a source of the media content presentation or determine a special operating mode of the source of the media content presentation. Another example method to monitor a media content presentation comprises determining the source of the media content presentation based on whether the audio signal is determined to be compressed. Yet another example method to monitor a media content presentation comprises determining the source of the media content presentation based on whether the video signal is determined to be compressed. | 2010-07-08 |
| 20100172408 | Apparatus and Method for Coding an Information Signal into a Data Stream, Converting the Data Stream and Decoding the Data Stream - More customization and adaptation of coded data streams may be achieved by processing the information signal such that the various syntax structures obtained by pre-coding the information signal are placed into logical data packets, each of which being associated with a specific data packet type of a predetermined set of data packet types, and by defining a predetermined order of data packet types within one access unit of data packets. The consecutive access units in the data stream may, for example, correspond to different time portions of the information signal. By defining the predetermined order among the data packet types it is possible, at decoder's side, to detect the borders between successive access units even when removable data packets are removed from the data stream on the way from the data stream source to the decoder without incorporation of any hints into the reminder of the data stream. Due to this, decoders surely detect the beginnings and endings of access units and therefore are not liable to a buffer overflow despite a removal of data packets from the data stream before arrival at the decoder. | 2010-07-08 |
| 20100172409 | LOW-COMPLEXITY TRANSFORMS FOR DATA COMPRESSION AND DECOMPRESSION - This disclosure describes the use of non-dyadic discrete cosine transform (DCT) sizes for performing a DCT. Similarly, this disclosure describes the use of non-dyadic inverse discrete cosine transform (IDCT) sizes for performing an IDCT. Using non-dyadic transform sizes may be less computationally expensive compared to using conventional dyadic transform sizes. Aspects of this disclosure may be useful in any device or system that performs a DCT or IDCT. | 2010-07-08 |
| 20100172410 | ENCODING DEVICE, METHOD FOR ADJUSTING TARGET AMOUNT OF CODE AND RECORD MEDIUM - An encoding device includes an encoding unit that encodes image data, a computing unit that calculates a target amount of picture code for each picture when the image data is encoded, a selection unit that selects an adjustment coefficient corresponding to the position of a picture within a unit of image processing from adjustment coefficients that have an alternating sequence of maximum values and minimal values, and an adjusting unit that adjusts the target amount of picture code by multiplying the target amount of picture code calculated by the computing unit by the adjustment coefficient selected by the selection unit. | 2010-07-08 |
| 20100172411 | HIGH DYNAMIC RANGE CODECS - A method for encoding high dynamic ränge (HDR) images involves providing a lower dynamic ränge (LDR) image, generating a prediction function for estimating the values for pixels in the HDR image based on the values of corresponding pixels in the LDR image, and obtaining a residual frame based on differences between the pixel values of the HDR image and estimated pixel values. The LDR image, prediction function and residual frame can all be encoded in data from which either the LDR image of HDR image can be recreated. | 2010-07-08 |
| 20100172412 | VIDEO ENCODER AND VIDEO DECODER - A video encoder that encodes each of a plurality of blocks obtained by dividing an input image, includes: a definition unit configured to define a valid area which is allowed to be used as reference in a reference image in interframe coding; a detection unit configured to detect a reference area in the reference image for a target block; a predicted image generation unit configured to generate a predicted image by outputting an image of the reference area for the reference area belonging to the valid area and outputting a complementary image for the reference area not belonging to the valid area; and a coding unit configured to encode the input image using the predicted image, wherein valid area information indicating the valid area is transmitted to a video decoder, for each group of a plurality of blocks. | 2010-07-08 |
| 20100172413 | VIDEO DECODER AND DIGITAL BROADCAST TRANSRECEIVER - A video decoder includes a storage unit that stores therein vector data; and a video generating unit that, when an input stream is abnormal, generates based on data before the input stream became abnormal and the vector data stored in the storage unit, an image that is an image displayed using the data before the input stream became abnormal and to which motion has been added. | 2010-07-08 |
| 20100172414 | METHOD OF BLOCK PARTITION FOR H.264 INTER PREDICTION - Provided is a method for partitioning a block in inter prediction including selecting one standard reference frame from at least one reference frame which is a comparison target in inter prediction, searching whether or not a higher-level macroblock of a current frame is partitioned based on the selected standard reference frame, determining a partition size of the higher-level macroblock of the current frame, searching whether or not the higher-level macroblock in which the partition size is determined is partitioned by comparing with any certain reference frame other than the standard reference frame, and stopping a block size search on the higher-level macroblock of the current frame if a partition size of the higher-level macroblock of the current frame determined by comparing with the standard reference frame and a partition size of the higher-level macroblock of the current frame determined by comparing with the certain reference frame are different from each other. | 2010-07-08 |
| 20100172415 | VIDEO ENCODER, VIDEO DECODER, VIDEO ENCODING METHOD, VIDEO DECODING METHOD, AND VIDEO ENCODING AND DECODING SYSTEM - A method and a video decoder for decoding an encoded bitstream of video data in a picture encoding and decoding system are disclosed. The video decoder includes a motion compensation unit for calculating a position for a sample image portion using an encoded bitstream of video data having a motion vector and rounding information. The calculated position of a sample image is rounded with the rounding information. The rounding information indicates the accuracy for rounding, and it is decoded from the bitstream. An image reconstruction unit reconstructs a decoded image portion of the video data from the sample image portion. | 2010-07-08 |
| 20100172416 | FILTERING STRENGTH DETERMINATION METHOD, MOVING PICTURE CODING METHOD AND MOVING PICTURE DECODING METHOD - A moving picture coding apparatus including an inter-pixel filter having the filters for filtering decoded image data so as to remove block distortion which is high frequency noise around block boundaries. The filters include a filter A | 2010-07-08 |
| 20100172417 | MOTION ESTIMATION TECHNIQUE FOR DIGITAL VIDEO ENCODING APPLICATIONS - The present invention provides an improved motion estimation encoder for digital video encoding applications. In one example embodiment, the improved encoder receives a raw image in the form of a current frame and estimates the macroblock motion vector with respect to a reference frame. The encoder then performs an initial local search around an initial motion vector candidate derived from spatio-temporal neighboring macroblock parameters. The encoder then compares the user-defined complexity scalable sum of absolute difference between the original and the associated reference macroblock against an adaptive threshold value for motion estimation convergence. The encoder introduces a global full search around a candidate from a coarser level, in case an initial local search fails. The encoder then selects an inter encoding mode for coding the current macroblock, when the first local search is successful, otherwise the encoder selects the inter or intra encoding mode for encoding the current macroblock by comparing variances of the original and difference macroblocks. | 2010-07-08 |
| 20100172418 | RECORDING MEDIUM HAVING RECORDED THEREON CODED INFORMATION USING PLUS AND/OR MINUS ROUNDING OF IMAGES - An image decoder, wherein the motion compensation is performed with half-pixel accuracy and uses bilinear interpolation to calculate intensity values of chrominance or luminance at points where no pixels actually exist in the reference image, the bilinear interpolation being performable using a positive rounding method and a negative rounding method; wherein the bilinear interpolation is performed using a rounding method specified by the rounding method information; wherein the rounding method information is included in coded information of the currently decoded image; wherein the rounding method information is included in a header section of the coded information of the currently decoded image; and wherein the rounding method information specifies one of a plurality of values. | 2010-07-08 |
| 20100172419 | Systems and methods for compression, transmission and decompression of video codecs - Embodiments of this invention include mathematical methods to develop software and/or hardware implementations that use wavelet transforms (WT) to pre-process video frames that can then be compressed using a variety of codecs to produce compressed video frames. Such compressed video frames can then be transmitted, decompressed, post-processed using the post-processing methods disclosed in the invention and displayed in their original size and quality using software and/or hardware implementations of embodiments of the invention, thereby producing real-time high-quality reproduction of video sequences. Embodiments include computer devices and computer readable media to implement these methods. | 2010-07-08 |
| 20100172420 | SYSTEM AND METHOD FOR DEMULTIPLEXING AN MPEG-2 TRANSPORT STREAM - A system and method for demultiplexing an MPEG-2 Transport Stream (TS), is disclosed. In one embodiment, a method of demultiplexing an MPEG-2 TS includes receiving the TS via a system interface, managing the TS via a TS manager, and managing parsing of the TS via a parser manager. Further, the method includes creating a media data stream by parsing the TS via one or more parsers within the parser subsystem, and creating a plurality of decodable units from the media data stream via a framer. | 2010-07-08 |
| 20100172421 | MIMO RECEIVER AND MIMO COMMUNICATION SYSTEM - An MIMO receiver and MIMO communication system which can have a small hardware scale even if the number of antennas used for MIMO communication. In a radio communication device ( | 2010-07-08 |
| 20100172422 | Transmitter-receiver and Operation Control Method of the Same - A transmitter-receiver of this embodiment includes a plurality of antennas ( | 2010-07-08 |
| 20100172423 | PREAMBLE SEQUENCES FOR WIRELESS COMMUNICATION SYSTEMS - A method is provided to generate preamble sequences. The method includes transmitting a periodic set of samples as part of a wireless communications preamble sequence and determining a set of null periods in which zero samples are transmitted. The null periods are interspersed among the periodic set of samples in order to enhance correlation efficiency and mitigate processing complexity. | 2010-07-08 |
