04th week of 2014 patent applcation highlights part 30 |
Patent application number | Title | Published |
20140023048 | Method and System for Phase Compensation in Multi-Path Communication Device - A method and apparatus for a radio base station ( | 2014-01-23 |
20140023049 | Communication Network For An Athletic Activity Monitoring System - The present invention provides a communication network for facilitating monitoring of an athletic activity. In one exemplary embodiment, such a communication network includes a base station and a first monitor configured to be coupled to an individual, wherein the base station is configured to transmit a first beacon message, wherein, in response to receipt of the first beacon message, the first monitor is configured to transmit an endpoint message including a characteristic of the individual, and wherein the base station is configured to receive the endpoint message, and, if the base station does not receive the endpoint message by a determined time, the base station is configured to transmit a second beacon signal, the second beacon signal including instructions to a second monitor to transmit the endpoint message (i.e., the same endpoint message transmitted by the first monitor). | 2014-01-23 |
20140023050 | METHOD AND APPARATUS FOR ALLOCATING RESOURCES IN CELLULAR COMMUNICATION SYSTEM - An apparatus for allocating resources in a cellular communication system including a plurality of cells divides time resources of one period into a plurality of time division intervals, allocates one time division interval of the plurality of time division intervals for user terminals in a cell edge region, and controls at least one of a magnitude of one period and a magnitude of the plurality of time division intervals in accordance with distributions and load distributions of user terminals of the plurality of cells. | 2014-01-23 |
20140023051 | METHOD AND APPARATUS FOR ACCESSING IN AN EQUIPMENT OF A COMMUNICATION NETWORK - A method of accessing in an equipment of a communication network is proposed in the invention. The method comprises the steps of: receiving a message 2 from a base station, the message 2 being used for an assignment of resource to transmit a message 3, the assigned resource corresponding to N HARQ RTTs, where 1≦N≦8; and transmitting the message 3 only in part of the N HARQ RTTs. With the scheme of the invention, a MTC device selectively transmits the Msg3 in one/some HARQ RTT and maintains silence in another one/some HARQ RTT, thus the possibility of the occurrence of access collision with other UEs may be backed off, such that other UEs, particularly human-to-human UEs, may transmit the Msg3 normally. And the possibility of the occurrence of collision is reduced from the viewpoint of the user equipments in a network, reducing entirely the possibility of an access delay and access failure. | 2014-01-23 |
20140023052 | METHOD FOR RANDOM ACCESS - The present invention proposes a method, in an eNB in wireless communication network based on carrier aggregation (CA) transmission, for controlling random access performed by UE, wherein the method comprises: determining whether the UE is out of UL sync on all cells, wherein the cells comprises Pcell and Scell: sending Physical Downlink Control Channel (PD-CCH) order signaling if the UE is out of UL sync on all the cells, wherein the PDCCH order signaling is used to indicating the UE to perform random access. A method, in a mobile station in wireless communication network based on carrier aggregation (CA) transmission, for random access, wherein the mobile station is configured a Pcell and at least one Scell, and the method comprises: determining whether random access is needed on at least one cell of the cells, wherein the cells comprises the Pcell and the at least one Scell; performing random access on at least one cell of all the cells, if it is determined that random access is needed on at least one cell of the cells. | 2014-01-23 |
20140023053 | Channel Access Method And Apparatus Using The Same In Wireless Local Area Network System - A method of apparatus for channel access in a wireless local area network is provided. A station receives a channel access control message including group indication information indicating a group of stations allowed to access a channel from an access point. The station attempts contention for accessing the channel if the station belongs to the group indicated by the group indication information. | 2014-01-23 |
20140023054 | METHOD, USER EQUIPMENT AND BASE STATION FOR INITIALIZING SECONDARY CELL IN CELLULAR COMMUNICATION SYSTEM - Embodiments provide a method for initializing a secondary cell in a cellular communication system. The method may comprise: receiving from a base station a Radio Resource Control RRC configuration request for the secondary cell to perform a RRC configuration; and in response to receiving the RRC configuration request, performing uplink synchronization with the base station in the secondary cell. | 2014-01-23 |
20140023055 | METHOD AND DEVICE FOR CARRIER ACTIVATION IN CARRIER AGGREGATION SYSTEM - The present invention relates to a method and a device for cell activation in a carrier aggregation system, and the method for activating a cell of a terminal according to one embodiment of the present invention comprises: a step for receiving an activation message of a first cell; a step for activating the first cell when the message of the first cell is received; an information obtaining step for obtaining uplink activation information of the first cell; and a transmission determination step for determining whether to execute an uplink transmission according to the uplink activation information. According to an embodiment of the present invention, efficient carrier management plan can be provided. | 2014-01-23 |
20140023056 | UL/DL SCHEDULING FOR FULL BANDWIDTH UTILIZATION - A method may include receiving, by a user equipment incapable of transmitting and receiving simultaneously, a schedule to transmit data on an uplink, detecting, by the user equipment, whether there is data to be transmitted on the uplink, and receiving, by the user equipment, during a time corresponding to the schedule, data associated with a downlink, when it is determined that there is no data to be transmitted. | 2014-01-23 |
20140023057 | METHOD OF TRANSMITTING CONTROL SIGNALS IN WIRELESS COMMUNICATION SYSTEM - A method of transmitting control signals in a wireless communication system includes multiplexing a first control signal with a second control signal in a slot, the slot comprising a plurality of orthogonal frequency division multiplexing (OFDM) symbols in time domain, the plurality of OFDM symbols being divided into a plurality of data OFDM symbols and a plurality of reference signal (RS) OFDM symbols, wherein the first control signal is mapped to the plurality of data OFDM symbols after the first control signal is spread by a base sequence in the frequency domain, the RS is mapped to the plurality of RS OFDM symbols, the second control signal is mapped to at least one of the plurality of RS OFDM symbols, and transmitting the first control signal and the second control signal in the slot. | 2014-01-23 |
20140023058 | Device for Operating Using Multiple Protocols in Wireless Networks - A network includes an access point using a first protocol and a station using both the first protocol and a second protocol. The station uses the first protocol before a first threshold and a second protocol after the first threshold. A first duration between the second threshold and the first threshold is at least of sufficient length for the station to receive one data packet from the access point and send an acknowledgment. The station transmits to the access point a current clear-to-send packet at a current time during a current exchange based on success or failure of a previous exchange during which a previous clear-to-send packet was transmitted to the access point at a previous time. | 2014-01-23 |
20140023059 | MECHANISMS FOR ROAMING BETWEEN 3GPP OPERATORS AND WLAN SERVICE PROVIDERS - Embodiments describe methods, apparatuses and logic for a user equipment (UE) to connect to an access point (AP) in a wireless local area network (WLAN) based on credentials from a UE's home third generation partnership project (3GPP) network. In some embodiments, the UE may receive selection policy parameters from the WLAN including a network access identifier (NAI) realm. The UE may also receive selection policy parameters from the 3GPP network. The UE may compare the selection policy parameters of the WLAN with the selection policy parameters of the 3GPP network and discover roaming relationships between service providers and the relative priorities of different networks, and create a network list based on the comparison. The UE may then associate with an AP of the WLAN based on the prioritized network list. | 2014-01-23 |
20140023060 | SYSTEMS AND METHODS FOR NETWORKING CONSUMER DEVICES - Systems and methods for enrolling nodes into an ad hoc network associated with a multi-roomed structure. Nodes within the ad hoc network comprise a communication module configured to communicate with the ad hoc network using at least one of room-limited communications and room-transparent communications. | 2014-01-23 |
20140023061 | COMMUNICATION APPARATUS AND COMMUNICATION METHOD - In a communication apparatus on a network where communication apparatuses perform direct communication with each other, a network management apparatus for managing the network based on message information transmitted and received on the network is determined. When the communication apparatus itself is determined as the network management apparatus, the apparatus collects information indicating device capabilities from other communication apparatuses. On the other hand, the communication apparatus receives information indicating device capabilities from another communication apparatus when the other communication apparatus is determined as the network management apparatus. | 2014-01-23 |
20140023062 | METHOD AND APPARATUS FOR TRANSMITTING DATA IN DLS WIRELESS NETWORK - A method for receiving data in a wireless local area network. The method includes establishing, by a destination station (STA), a direct link between a requesting STA and the destination STA; establishing, by the requesting STA, a relay link between the requesting STA and the destination STA; receiving, by the destination STA, data from the requesting STA through the direct link; and receiving, by the destination STA, the data from a relay STA of the relay link. | 2014-01-23 |
20140023063 | TRANSFER OF SYNCHRONIZATION IN A HYBRID GLOBAL NAVIGATION SATELLITE PACKET NETWORK SYSTEM - Networks, network devices and methods of synchronization using transfer of synchronization packets are provided. Some network devices are configured to use either a timing reference extracted based on GPS signals or an imported timing reference, as an operative time reference. A network device from which to import the time reference is selected and may be updated to meet a selection rule related to the quality of receiving the transfer of synchronization packets. | 2014-01-23 |
20140023064 | SYSTEMS, METHODS, AND MEDIA FOR CONNECTING EMERGENCY COMMUNICATIONS - Systems, methods, and media for connecting emergency communications are provided. For example, the methods can include: receiving an emergency communication at a particular public safety answering point from a caller directed to the particular public safety answering point by a location-to-service system; creating a conference on a conference system in response to the particular public safety answering point accepting the emergency communication; selecting a particular call-taker of a plurality of call-takers; sending the particular call-taker an invitation to accept the emergency communication; in response to receiving an indication that the particular call-taker has accepted the emergency communication, connecting the selected call-taker to the conference; connecting the caller to the conference; determining the location of the caller; querying the location-to-service system to identify at least one particular emergency responder of a plurality of emergency responders; and connecting at least one of the at least one particular emergency responder to the conference. | 2014-01-23 |
20140023065 | METHOD AND APPARATUS FOR PROVIDING A WIDE AREA NETWORK INFRASTRUCTURE - A method and apparatus for providing a wide area network infrastructure for providing services on IP networks such as Voice over Internet Protocol (VoIP) and Service over Internet Protocol (SoIP) networks are disclosed. For example, an enterprise customer may subscribe to a service for obtaining a reliable wide area network infrastructure for communicating among two or more customer locations. The network service provider creates a virtual private network in the public domain and another virtual private network in the private domain to interconnect the customer locations. It then connects each customer edge router to two provider edge routers one in each domain and/or instances of provider edge functionality in each domain. Routes are then advertised via two control planes to both virtual private networks. | 2014-01-23 |
20140023066 | ACCESS GATEWAY MANAGEMENT SYSTEM - An Access Gateway Management System (AGMS) allows telephone operating companies to transition their existing wireline customers over to Voice over the Internet Protocol (VoIP) technology without having to invest in new workflow processes, systems, or maintenance facilities by adapting the Operational Support Systems interfaces currently employed for managing legacy circuit-switched switching systems to manage Line Access Gateways (LAGs), which are the generic line termination systems employed in VoIP infrastructure. The AGMS also configures and adapts metallic loop test systems currently deployed for the purpose of routine maintenance and troubleshooting of subscriber lines terminating directly or indirectly (through access systems) on existing switching systems to continue to provide this functionality when the lines terminate on LAGs. Synchronization of the subtended LAGs is coordinated with the legacy network by the AGMS. | 2014-01-23 |
20140023067 | Telephone Call Processing Method and Apparatus - Methods, apparatus and computer program products for processing signaling information for telephone call attempts in a packet-based telephony service. An overload protection node is introduced to protect a signaling node from an overload of signaling information for telephone call attempts. A characteristic of signaling information for telephone call attempts in the packet-based telephony service is monitored by the overload protection node and on the basis of the monitored characteristic, the overload protection node processes signaling information for telephone call attempts according to one of a number of different modes of operation. A mode of operation may involve transmitting signaling information for a call attempt to the signaling node or selecting one or more call attempts at the overload protection node for the purpose of reducing overload in the signaling node. | 2014-01-23 |
20140023068 | CONTROLLER AREA NETWORK COMMUNICATIONS USING ETHERNET - Systems and methods for implementing controller area network (CAN) communications between CAN nodes using Ethernet are provided. An Ethernet switch includes ports, each of which is configured to receive an Ethernet data packet (EDP) from a CAN node. Each EDP includes a CAN message, which includes an identification (ID) of a corresponding CAN node. A first port is configured to receive a first EDP and a second port is configured to receive a second EDP. The Ethernet switch also includes a controller module configured to detect a CAN conflict between the first EDP and the second EDP. The controller module is configured to select, in response to the detection of the CAN conflict, the first EDP or the second EDP based on the ID corresponding to the first EDP and the ID corresponding to the second EDP. The controller module is configured to route the selected EDP to a destination. | 2014-01-23 |
20140023069 | METHOD AND APPARATUS FOR PACKET BUFFERING MEASUREMENT - A method, apparatus and computer program product for packet buffering measurement is presented. A plurality of packets are transmitted to a packet switching device. Packets are received from the packet switching device. A determination is made, with respect to a particular time, based on packets transmitted to the packet switching device and packets received from the packet switching device, regarding a number of packets being held in a memory of the packet switching device. | 2014-01-23 |
20140023070 | METHOD AND APPARATUS FOR EXCHANGING MESSAGES - A method and apparatus for exchanging messages between entities in a packet network. The solution includes exchanging a predetermined number of data entities with an apparatus by transmitting and receiving frames having one or more data fields; each frame including a field indicating which data entities the transmitting apparatus has not yet received successfully, and when a data entity is split into more than one data field, transmitting and receiving each data field having a part of the data entity with a sub field indicating which data fields include a part of the data entity the transmitting apparatus has not yet received successfully. | 2014-01-23 |
20140023071 | APPARATUS AND METHOD FOR DELIVERING TRANSPORT CHARACTERISTICS OF MULTIMEDIA DATA - There are provided a method and apparatus for delivering transport characteristics of multimedia data. According to an aspect of the present invention, transport characteristics of media data that can be divided in a unit of a Media Processing Unit (MPU) are created in a unit of a predetermined number of MPUs, the created transport characteristics and a flag indicating presence or absence of the created transport characteristics are inserted into the media data, and the resultant media data is delivered. Accordingly, by using transport characteristics in units of media data unit groups, each media data unit corresponding to a short time length, it is possible to effectively control Quality of Service (QoS) in a dynamically changing transport environment, like a mobile network. | 2014-01-23 |
20140023072 | PACKET PROCESSING DEVICE FOR IP-BASED INFORMATION-CENTRIC NETWORK - Provided is a packet processing device for an information-centric network. The packet processing device includes a packet transceiver configured to transmit and receive packets, and a packet processing unit configured to process a transmitted or received packet including a forwarding identifier that identifies information present in the ICN and corresponds to an IP address of a network node holding the information, and at least one sub-identifier that identifies child information of the information, in which the forwarding identifier is used to forward packets. | 2014-01-23 |
20140023073 | PACKET ROUTING WITHIN AN ON-CHIP NETWORK - Techniques for packet routing in an on-chip network are provided. In one embodiment, a method for routing packets in a multi-core processor including multiple cores connected by an on-chip network includes identifying ports that are incorrect while routing the packet. After receiving the packet at an input port, some of the ports are excluded from consideration while selecting the output port for the packet. The output port is selected from the remaining ports and the packet is routed to the selected output port. | 2014-01-23 |
20140023074 | SYSTEM AND METHOD FOR LAYER-2 NETWORK ROUTING - An example method is provided and includes receiving a data message from a first virtual local area network; determining at an edge switch-router of a Layer-2 network whether the message should be routed; and routing the message in the Layer-2 network at the edge switch-router if the message should be routed. The method also includes switching the message at the edge switch-router if the message should not be routed. | 2014-01-23 |
20140023075 | SYSTEMS, METHODS AND ALGORITHMS FOR NAMED DATA NETWORK ROUTING WITH PATH LABELING - The present disclosure relates generally to the field of routing with path labeling (in named data networks). In various examples, routing with path labeling may be implemented in one or more named data networks in the form of systems, methods and/or algorithms. | 2014-01-23 |
20140023076 | SYSTEMS, METHODS AND ALGORITHMS FOR NAMED DATA NETWORK ROUTING WITH PATH LABELING - The present disclosure relates generally to the field of routing with path labeling (in named data networks). In various examples, routing with path labeling may be implemented in one or more named data networks in the form of systems, methods and/or algorithms. | 2014-01-23 |
20140023077 | METHOD, APPARATUS AND SYSTEM FOR TRANSMITTING AND RECEIVING DATA PACKETS - A method and an apparatus for routing data packets. The solution in a communication network including a set of nodes, storing information regarding nodes of the network; and when transmitting a data packet to a destination node in the network, determining and including in the data packet the recipient identification; determining and including in the data packet the direction of the destination node in the network; determining and including in the data packet a hop count indicator indicating the number of node-to-node hops to the destination node; setting in the data packet the transmission direction indicator equal to a value corresponding to direction down and transmitting the packet. | 2014-01-23 |
20140023078 | Method and Apparatus for Transporting Ethernet Services - Frames of customer traffic may be encapsulated by adding Mac-in-Mac (MiM) encapsulation fields for transportation of the frames over a portion of provider network. The MiM encapsulated traffic may be further encapsulated using VPLS by adding VPLS encapsulation fields for transportation of the frames over another portion of the provider network. The MiM encapsulations use provider network_MAC addresses which enables VPLS MAC learning to occur using provider network MAC address space. MiM tunnels are mapped to VPLS service instances which are assigned pseudowire tags for transportation over the VPLS portion of provider network. The MiM header is retained when the MiM encapsulated frames are transported over the VPLS portion of the provider network. As VPLS frames exit the core network, the VPLS encapsulation fields are removed to extract the original MiM encapsulated frames for further transportation over the MiM portion of the provider network. | 2014-01-23 |
20140023079 | METHOD AND APPARATUS FOR CONFIGURING ADDRESS RESOLUTION PROTOCOL ARP ENTRY - Embodiments of the present invention disclose a method and an apparatus for configuring an ARP entry. The method includes: acquiring, by a first router, when determining that a second router is a reachable neighbor, information needed for configuring an ARP entry; and configuring, by the first router during neighbor route calculation performed with the second router, the ARP entry according to the acquired information needed for configuring the ARP entry. When neighbor establishment between the first router and the second router is completed, because the ARP entry configuration on neighbor routers has been completed and IP traffic can be forwarded normally, the problem that partial traffic is lost when the neighbor routers perform traffic forwarding for the first time is avoided. | 2014-01-23 |
20140023080 | System and Method for Scaling IPv6 on a Three-Tier Network Architecture at a Large Data Center - Some implementations provide a method for managing switches in a data center that includes: (1) establishing a connection from one switch to another switch in the data center, the data center providing a plurality of virtual local area networks (VLANs), each VLAN including at least one Virtual Machine and capable of spanning across more than one of the plurality of switches; (2) provisioning device prefixes for IPv6 addresses, a given device prefix corresponding to a particular VLAN on a particular switch in the data center, the given device prefix included in a host address of a particular virtual machine, the particular virtual machine hosted on a server computer, the sever computer connected to the particular switch without additional intervening switches; (3) configuring a hardware memory to include prefix information and address information; and (4) transferring packets by using the prefix information and the address information. | 2014-01-23 |
20140023081 | Method and Apparatus for Transporting Ethernet Services - Frames of customer traffic may be encapsulated by adding Mac-in-Mac (MiM) encapsulation fields for transportation of the frames over a portion of provider network. The MiM encapsulated traffic may be further encapsulated using VPLS by adding VPLS encapsulation fields for transportation of the frames over another portion of the provider network. The MiM encapsulations use provider network_MAC addresses which enables VPLS MAC learning to occur using provider network MAC address space. MiM tunnels are mapped to VPLS service instances which are assigned pseudowire tags for transportation over the VPLS portion of provider network. The MiM header is retained when the MiM encapsulated frames are transported over the VPLS portion of the provider network. As VPLS frames exit the core network, the VPLS encapsulation fields are removed to extract the original MiM encapsulated frames for further transportation over the MiM portion of the provider network. | 2014-01-23 |
20140023082 | SYSTEM AND METHOD FOR INITIALIZING AND MAINTAINING A SERIES OF VIRTUAL LOCAL AREA NETWORKS CONTAINED IN A CLUSTERED COMPUTER SYSTEM - A system and method for sharing network resources; the system comprising at least one network switch, at least one computing device comprising at least one network connection and at least one storage device containing software capable of initializing and maintaining: (i) a management local area network (MLAN) comprising a virtual or physical firewall; and (ii) a plurality of client virtual local area networks (VLANs), wherein each client VLAN comprises a virtual firewall and a plurality of network resources. | 2014-01-23 |
20140023083 | METHOD AND APPARATUS FOR EXCHANGING MESSAGES - A method and an apparatus for communicating with a second apparatus. The apparatus includes a controller and a transceiver for exchanging a predetermined number of data fields between the apparatuses by transmitting and receiving frames having one or more data fields and including in each frame a field indicating which data fields the apparatus has not yet received successfully. | 2014-01-23 |
20140023084 | REDUCING POWER CONSUMPTION IN A FAT-TREE NETWORK - A method for communication includes configuring a multi-level fat-tree network to include at least three levels of switches, including multiple modules arranged externally in a tree topology. Each module contains a respective group of the switches arranged in an internal tree extending over at least two of the levels of the network. A subset of the modules is selected to be active in carrying the communication traffic. The network is operated so as to convey communication traffic among the switches via the active modules, while the modules that are not in the selected subset remain inactive. | 2014-01-23 |
20140023085 | PACKET ROUTER HAVING A HIERARCHICAL BUFFER STRUCTURE - A packet-router architecture in which buffer modules are interconnected by one or more interconnect fabrics and arranged to form a plurality of hierarchical buffer levels, with each higher buffer level having more buffer modules than a corresponding lower buffer level. An interconnect fabric is configured to connect three or more respective buffer modules, with one of these buffer modules belonging to one buffer level and the other two or more buffer modules belonging to a next higher buffer level. A buffer module is configured to implement a packet queue that (i) enqueues received packets at the end of the queue in the order of their arrival to the buffer module, (ii) dequeues packets from the head of the queue, and (iii) advances packets toward the head of the queue when the buffer module transmits one or more packets to the higher buffer level or to a respective set of output ports connected to the buffer module. | 2014-01-23 |
20140023086 | Backplane Interface Adapter with Error Control and Redundant Fabric - A backplane interface adapter with error control and redundant fabric for a high-performance network switch. The error control may be provided by an administrative module that includes a level monitor, a stripe synchronization error detector, a flow controller, and a control character presence tracker. The redundant fabric transceiver of the backplane interface adapter improves the adapter's ability to properly and consistently receive narrow input cells carrying packets of data and output wide striped cells to a switching fabric. | 2014-01-23 |
20140023087 | CONCURRENT DATA STREAMING USING VARIOUS PARAMETERS FROM THE SAME SENSOR - Embodiments implement a device having a sensor optimizer, where a source data stream from a sensor module may be used by the sensor optimizer to create multiple sensor data streams having different data stream parameters (e.g. data rate, calibration, scaling, etcetera) from the source data stream. Such a sensor optimizer may intercept requests for sensor data from applications running on a mobile device processor, and concurrently provide data streams having different data stream parameters to applications executed by the processor. | 2014-01-23 |
20140023088 | METHOD AND APPARATUS FOR TRIGGERING BANDWIDTH UPSPEEDING WITHIN AN EXISTING RESERVATION - In one embodiment, a method includes reserving a first amount of bandwidth with respect to a path in response to a reservation request from a sender. The reservation request specifies a plurality of acceptable amounts of bandwidth including the first amount of bandwidth and a second amount of bandwidth. The first amount of bandwidth is less than the second amount of bandwidth. The method also includes determining, after reserving the first amount of bandwidth, that additional bandwidth sufficient to accommodate the second amount of bandwidth is available, and automatically providing a first indication that the additional bandwidth is available. Automatically providing the first indication that the additional bandwidth is available includes providing the first indication to at least the sender. Finally, the method includes obtaining a second indication, the second indication being arranged to indicate whether the second amount of bandwidth may be accommodated with respect to the path. | 2014-01-23 |
20140023089 | Method and subscriber station for optimized data transmission between subscriber stations in a bus system - A method for transmitting first and second data between subscriber stations of a bus system via a first channel jointly used by a plurality of subscriber stations and via a second channel of the bus system, used in addition to the first channel by a plurality of subscriber stations, the first channel using the access method and transmission protocol of the CAN specification or the extension thereof, the TTCAN specification, the access to the second channel being controlled according to an arbitrary access method, and first data to be transmitted via the first channel and second data to be transmitted via the second channel being transmitted via a joint signal line, and a data signal being formed as a function of the first data, and a modulation signal being formed as a function of the first and second data, and the modulation signal being superposed on the data signal. | 2014-01-23 |
20140023090 | PARALLEL COMPUTING DEVICE, COMMUNICATION CONTROL DEVICE, AND COMMUNICATION CONTROL METHOD - A parallel computing device includes a plurality of communicatively interconnected nodes for executing an arithmetic process. Each of the plurality of nodes includes: a measurement unit configured to measure a communication bandwidth up to a destination node based on a communication scheme among the nodes, and a control unit configured to control a size of a packet transmitted to the destination node according to the communication bandwidth measured by the measurement unit. | 2014-01-23 |
20140023091 | REDUNDANT, LOW-LATENCY DIGITAL AUDIO TRANSMISSION - Methods and systems for converting an audio signal into a stream of digital audio packets are presented. An example converter device may include a receiver, a digital audio encoder, a digital audio packetizer, and a transmitter. The receiver may receive an audio signal. The digital audio encoder may encode the audio signal into a stream of digital audio values. The digital audio packetizer may generate a stream of digital audio data packets from the stream of digital audio values. Each of the digital audio data packets may include a current digital audio value and at least one previous digital audio value of the stream of digital audio values. The transmitter may transmit the stream of digital audio data packets to a receiving device. | 2014-01-23 |
20140023092 | CYCLIC SHIFT DELAYS IN MULTI-USER PACKETS WITH RESOLVABLE VERY HIGH THROUGHPUT LONG TRAINING FIELDS (VHTLTFS) - A system including a stream generator module to generate a plurality of streams to be transmitted in a packet. The packet is to be transmitted to a plurality of client stations. First streams are designated for a first client station and include a plurality of training fields. Second streams are designated for a second client station and include the plurality of training fields. A cyclic shift delay module applies a plurality of cyclic shift delay values to the plurality of streams. First values from the plurality of cyclic shift delay values are respectively applied to the first streams. Second values from the plurality of cyclic shift delay values are respectively applied to the second streams. A mapping module spatially maps the plurality of streams subsequent to the cyclic shift delay module applying the cyclic shift delay values to the plurality of streams. | 2014-01-23 |
20140023093 | METHOD AND SYSTEM FOR ARCHITECTURE OF A FAST PROGRAMMABLE TRANSPORT DEMULTIPLEXER USING A DOUBLE BUFFERED APPROACH - A method and system are provided for architecture of a very fast programmable transport demultiplexer using a double-buffered approach. The method may involve utilizing a hardware assist block to process incoming packets, retrieve information about the packets, and write the retrieved information to a memory block. A firmware block may then utilize the information in memory to perform further processing on the packet data. The firmware and hardware assist blocks may work simultaneously so as to speed up the processing of the packet, which can comprise record data and/or audio/video data. The system may comprise the hardware assist block, the firmware assist block, and a memory block. | 2014-01-23 |
20140023094 | CHANNEL FREQUENCY OFFSET ESTIMATION METHOD, APPARATUS, AND SYSTEM - Embodiments of the present invention provide a method, includes: performing channel estimation on a signal of a current channel to obtain channel information of the current channel, performing calculation processing on the channel information obtained in current channel estimation and channel information obtained in previous channel estimation to obtain a phase difference of the current channel information, dividing the phase difference of the current channel information by a time interval between two times of channel estimation to obtain residual frequency offset information of the current channel, adding the residual frequency offset information of the current channel and frequency offset information which is of the channel and obtained in a previous calculation to obtain frequency offset information of the current channel, and outputting the frequency offset information of the current channel, so as to perform frequency offset correction on the signal of the channel according to the current frequency offset information. | 2014-01-23 |
20140023095 | Method and System for MAC and PHY Synchronization for Energy Efficient Networking - Aspects of a method and system for MAC and PHY synchronization for energy efficient networking are provided. In this regard, an interface that enables communication between a MAC controller and a PHY device may be configured to operate in an energy saving mode. While the interface is operating in an energy saving mode, synchronization between the MAC controller and the PHY device may be maintained by one or both of adjusting a clock generated for the interface and/or communicating dummy data via the interface. The clock may be adjusted by one or more of adjusting a frequency of the clock, adjusting an amplitude of the clock, and/or duty cycling the clock. The MAC controller and/or the PHY device may generate the dummy data. The PHY device and/or the MAC controller may discard the dummy data upon receiving the dummy data. | 2014-01-23 |
20140023096 | SENSOR WITH CONCURRENT DATA STREAMING USING VARIOUS PARAMETERS - Embodiments implement a device having a sensor element, where different data streams created as part of a sensor module integrated with the sensor element may create multiple sensor data streams from a single sensor element, and may concurrently convey information from the sensor element to respective different applications having different data parameter requirements such that the data streams each match the parameter requirements of the different applications. | 2014-01-23 |
20140023097 | DOWNSTREAM ADAPTIVE MODULATION IN BROADBAND COMMUNICATIONS SYSTEMS - A downstream adaptive modulation system and method. The downstream adaptive modulation system comprises a wireless access termination system and one or more wireless modems. The wireless access termination system includes a plurality of queues and a parser. The parser parses data traffic onto the plurality of queues. Each queue is associated with a different coding and modulation scheme. Each of the one or more wireless modems receives data traffic from the plurality of queues based on the wireless modem's ability to demodulate and decode the signal from each of the plurality of queues. When a wireless modem experiences a change in signal strength, the present invention enables the wireless modem to adapt to data from other queues to compensate for the change in signal strength. Thus, if the signal strength improves over a period of time, the wireless modem may receive data at a higher order modulation and FEC code rate. If the signal strength weakens over a period of time, the wireless modem may receive data at a lower order modulation and FEC code rate. | 2014-01-23 |
20140023098 | OPTICAL FIBER LASERS - A fiber gain medium provided by a rare-earth doped fiber ( | 2014-01-23 |
20140023099 | METHOD AND DEVICE FOR THE FAST PHASE EVALUATION, IN PARTICULAR OF MULTI-CYCLE PULSES OF LASER RADIATION - The aim of the present disclosure is to enable a fast CE phase evaluation of the laser pulses, in particular in real time, including for multi-cycle pulses. Said aim is achieved by providing a polarization gating stage ( | 2014-01-23 |
20140023100 | METAL VAPOR CIRCULATING SYSTEM - A system for circulating an alkali vapor to operate as, for example, a gain medium in a diode pumped alkali laser. The system includes a pump configured to pump a buffer gas to a metal source. A source heat exchanger heats the alkali metal source to produce a metal vapor that flows with the buffer gas. An action chamber receives the metal vapor and buffer gas combination and contains the combination while the metal vapor performs its required functions. The metal vapor and buffer combination continue to flow to a metal vapor trap and heat exchanger that cools the metal vapor and buffer gas combination. The metal vapor trap collects alkali metal condensate as the combination cools. The diffuser transport channel provides an inflow of clean buffer gas to the pump. The pump provides a circulating gas flow through the closed loop system. | 2014-01-23 |
20140023101 | SINGLE-CAVITY DUAL-ELECTRODE DISCHARGE CAVITY AND EXCIMER LASER - A single-cavity dual-electrode discharge cavity and an excimer laser including such a discharge cavity are disclosed. The discharge cavity may comprise a cavity body and two sets of main discharge electrodes. The cavity body may comprise a left chamber and a right chamber arranged to form a symmetric dual-chamber cavity. The left and right chambers can interface and communicate with each other at a plane of symmetry of the entire discharge cavity. The two sets of main discharge electrodes can be disposed in the left and right chambers on the upper side, respectively. According to the present disclosure, the single-cavity configuration can be used to achieve functions of dual-cavity configurations, such as MOPA, MOPO, and MOPRA. Thus, it is possible to reduce system complexities and also ensure synchronization of discharging in the discharge cavity. | 2014-01-23 |
20140023102 | STRUCTURE AND METHOD FOR THE FABRICATION OF A GALLIUM NITRIDE VERTICAL CAVITY SURFACE EMITTING LASER - A III-Nitride based Vertical Cavity Surface Emitting Laser (VCSEL), wherein a cavity length of the VCSEL is controlled by etching. | 2014-01-23 |
20140023103 | NITRIDE SEMICONDUCTOR LIGHT-EMITTING DEVICE - A nitride semiconductor light-emitting device having an optical waveguide includes, in the following order, at least: a first cladding layer; an active layer; and a second cladding layer, wherein the second cladding layer includes (i) a transparent conductive layer comprising a transparent conductor and (ii) a nitride semiconductor layer comprising a nitride semiconductor, the nitride semiconductor layer being formed closer to the active layer than the transparent conductive layer. | 2014-01-23 |
20140023104 | SURFACE EMITTING LASER DEVICE AND ATOMIC OSCILLATOR - A surface emitting laser device includes a substrate, a lower reflector, an active layer, an upper reflector, and surface emitting lasers configured to emit light. A second phase adjustment layer, a contact layer, a first phase adjustment layer, and a wavelength adjustment layer are successively layered from the active layer side. The total optical thickness from the active layer side of the second phase adjustment layer to the midsection of the wavelength adjustment layer is approximately (2N+1)×λ/4, where λ represents a wavelength of light, and N represents a positive integer. The optical thickness from the active layer side of the second phase adjustment layer to the midsection of the contact layer is approximately Nλ/2. At least two of the surface emitting lasers have the wavelength adjustment layer arranged at different thicknesses and are configured to emit light with different wavelengths. | 2014-01-23 |
20140023105 | Device for deflecting laser radiation, and laser device having such a device - A device for deflecting laser radiation ( | 2014-01-23 |
20140023106 | HEATING ELECTRODE ASSEMBLY FOR CRYSTAL GROWTH FURNACE - A heating electrode assembly for a crystal growth furnace includes: a heat insulation board unit that is disposed between a furnace wall and a heater, that includes a first surface facing the furnace wall and a second surface facing the heater, and that is formed with a hole extending through the first surface and the second surface; an electrode unit that includes an electricity input portion mounted to the furnace wall, a post portion disposed in the hole, and an abutment flange connecting the post portion and the heater; and an electrical insulating unit including a tubular sleeve that is disposed in the hole and that surrounds the post portion, and a pad that is clamped between the abutment flange and the second surface. | 2014-01-23 |
20140023107 | APPARATUS AND METHOD OF DETERMINING FAILURE IN THERMOSTAT - An apparatus is provided for determining a failure in a thermostat that controls the flow of a coolant into a radiator in response to an actual water temperature of the coolant for an engine in a vehicle. The apparatus includes a detector that detects the actual water temperature; an estimator that calculates an estimated water temperature of the coolant; and a failure determining unit that compares the actual water temperature detected with the estimated water temperature calculated by the water temperature estimator under cold start of the engine and determines whether the thermostat is valve-open failure. In an engine nonoperating mode including at least automatic stop of the engine, the water temperature estimator applies a behavior of the actual water temperature to an estimated water temperature calculated immediately before automatic stop of the engine to calculate an estimated water temperature in the engine nonoperating mode. | 2014-01-23 |
20140023108 | USING FIRST AND SECOND RESISTIVE SENSOR BIAS LEVELS TO DETECT HEAD-TO-DISK CONTACT AND/OR CLEARANCE - A bias signal is applied to a resistive thermal sensor located proximate a magnetic media reading surface of a magnetic sensor. The bias signal is modulated between first and second bias levels. First and second resistances of the resistive thermal sensor corresponding to the first and second bias levels are measured. Based a difference between the first and second resistances caused by in increase in thermal conductivity between the magnetic sensor and a medium as the magnetic head gets closer to the medium, at least one of a spacing and a contact between the magnetic sensor and the medium are determined. | 2014-01-23 |
20140023109 | TEMPERATURE SENSOR COMPRISING A HIGH-OVERTONE BULK ACOUSTIC RESONATOR - This temperature sensor ( | 2014-01-23 |
20140023110 | TEMPERATURE MEASURING APPARATUS WITH SENSOR ASSEMBLY OF SENSING DEVICES CONNECTED TOGETHER - A temperature measuring apparatus is provided which includes a sensor assembly made up of sensing devices which are connected together to produce an output signal correlated with the temperature of a target object. The temperature measuring apparatus determines the number of the sensing devices of the sensor assembly and corrects the output signal so as to compensate for an error in determining the temperature of the target object which depends upon the number of the sensing devices. | 2014-01-23 |
20140023111 | DEVICE FOR MEASURING RELATIVE HUMIDITY AND TEMPERATURE OF THE AIR IN A DIPHASIC MEDIUM - A relative humidity sensor 1 and a temperature sensor 2 are placed in a tube 4 traversed by an ascending air current, the speed of ascent of the air being less than the equilibrium speed of the water droplets in an ascending air. | 2014-01-23 |
20140023112 | Methods, Devices, and Systems Which Determine a Parameter Value of an Object or an Environment From a Voltage Reading Associated With a Common Mode Signal of a Balanced Circuit - A method for determining a value of a parameter of an object or an environment includes positioning a device having a balanced circuit in or on an object or within a particular environment, wherein the balanced circuit comprises elements which are operationally sensitive to changes in a parameter of the object or the environment. The method further includes measuring a common mode signal of the balanced circuit and determining, from the common mode signal, a value of the parameter. An exemplary implementation of the method includes determining temperature using a resistive sensor having a Wheatstone bridge circuit with two variable resistors and two fixed resistors. Embodiments of systems and devices configured to employ such methods are provided, particularly medical probes, electronic signal monitoring devices, and systems employing such devices. | 2014-01-23 |
20140023113 | TEMPERATURE SENSOR - A temperature sensor includes a signal delaying apparatus, a comparison apparatus, a multiplier and a counting apparatus. The signal delaying apparatus is configured to receive a step signal, perform a phase delay operation on the received step signal according to a temperature degree, and thereby forming a first output signal. The comparison apparatus is configured to receive the first output signal and the step signal, and accordingly output a second output signal. The multiplier is configured to receive the second output signal and a clock signal, and accordingly output a third output signal. The counting apparatus is configured to receive the third output signal, count the number of pulses of the third output signal, and generate a digital code accordingly. | 2014-01-23 |
20140023114 | SEMICONDUCTOR TEMPERATURE SENSOR WITH HIGH SENSITIVITY - An temperature sensor circuit is disclosed. In one embodiment, the temperature sensor comprises an input circuit with a current mirror for forcing a current down a reference stage and an output stage. The reference stage and the output stage include P-N junctions (e.g., using bipolar transistors) with differing junction potentials. By tailoring the resistances in the reference and output stages, the input circuit produces two output voltages, one of which varies predictably with temperature, and one which is stable with temperature. The input circuit is preferably used in conjunction with an amplifier stage which preferably receives both the temperature-sensitive and non-temperature-sensitive outputs. Through various resistor configurations in the amplifier stage, the output of the temperature sensor can be made to vary at a higher sensitivity than produced by the temperature-sensitive output of the input circuit. Moreover, as a result of the non-temperature-sensitive output, the output of the temperature sensor is additionally and beneficially tailored in its offset voltage in a temperature-independent manner. The result is a flexible circuit that can achieve very high sensitivities and near-ideal performance even at lower power supply voltages. | 2014-01-23 |
20140023115 | FUEL PROPERTY SENSOR - A fuel property sensor includes an external electrode, an internal electrode, a temperature detecting device, a holder portion, a sealing portion. The external electrode includes a passage portion and a projecting portion to define a transfer passage through which fuel flows. The internal electrode is disposed in the passage portion of the external electrode. The temperature detecting device detects a fuel temperature. The holder portion holds the temperature detecting device. The holder portion has a bottomed-cylindrical shape and disposed in the transfer passage and the through-hole of the internal electrode, or the holder portion has a cylindrical shape and disposed in the transfer passage. The sealing portion seals the transfer passage and prevents fuel flowing in the transfer passage from leaking outside. | 2014-01-23 |
20140023116 | CARBON NANOTUBE TEMPERATURE AND PRESSURE SENSORS - The present invention, in one embodiment, provides a method of measuring pressure or temperature using a sensor including a sensor element composed of a plurality of carbon nanotubes. In one example, the resistance of the plurality of carbon nanotubes is measured in response to the application of temperature or pressure. The changes in resistance are then recorded and correlated to temperature or pressure. In one embodiment, the present invention provides for independent measurement of pressure or temperature using the sensors disclosed herein. | 2014-01-23 |
20140023117 | SETTING A TRANSMISSION POWER LEVEL FOR A MOBILE UNIT - A spread signal is produced having an adjustable spread spectrum. A data signal is provided for transmission. The data signal is processed to have a first spread spectrum. The processed first spread spectrum data signal is filtered to have one out of a plurality of spread spectrums. The filtering capable of producing a signal having a spread spectrum of any of the plurality of spread spectrums. The filtered one spread spectrum data signal is transmitted. | 2014-01-23 |
20140023118 | Approach For Managing The Use Of Communications Channels Based On Performance - An approach for selecting sets of communications channels involves determining the performance of communications channels. A set of channels is selected based on the results of performance testing and specified criteria. The participant generates data that identifies the selected set of channels and provides that data to other participants of the communications network. The participants communicate over the set of channels, such as by using a frequency hopping protocol. When a specified time expires or monitoring of the performance of the channel set identifies poor performance of the set of channels, the participant selects another set of channels for use in communications based on additional performance testing. By selecting channels based on the initial performance testing and performance monitoring, the communications network adaptively avoids channels with poor performance. | 2014-01-23 |
20140023119 | METHOD AND APPARATUS FOR GENERATING PAIR OF ORTHOGONAL SETS WITH WIDE RANGE OF SPREADING FACTORS - A method of generating a pair of orthogonal sets with a spreading factor N for a direct sequence spread spectrum communication system, includes selecting a two-level autocorrelation sequence of a period of N−1, the two-level autocorrelation sequence including elements, each of which includes a value of 1 or 0, and obtaining binary sequences based on the two-level autocorrelation sequence. The method further includes obtaining quasi-orthogonal sets based on the two-level autocorrelation sequence and the binary sequences, and generating the pair of the orthogonal sets based on the quasi-orthogonal sets. | 2014-01-23 |
20140023120 | SIGNAL PROCESSING APPARATUS, RADAR APPARATUS, AND SIGNAL PROCESSING METHOD - A signal processing apparatus which calculates a correlation value between an input analog signal and a digital code includes: an adder which adds a noise signal to the analog signal; an analog comparator which compares, synchronously with a clock signal having a first period, a magnitude of the analog signal added with the noise signal with a reference voltage; a multiplier which receives an input of a comparison result from the analog comparator and the digital code and calculates, synchronously with the clock signal, an exclusive OR between the comparison result and the digital code; and a counter which accumulates calculation results from the multiplier over a second period in a time series, and calculates, as the correlation value, a difference between an accumulation result and one-half of a quotient of the second period and the first period. | 2014-01-23 |
20140023121 | TRANSMITTING SPREAD SIGNAL IN COMMUNICATION SYSTEM - A method for receiving Acknowledgement/Negative acknowledgement (ACK/NACK) information in a mobile communication system includes receiving a first signal including first spread ACK/NACK information and second spread ACK/NACK information from a first antenna set of a transmitting end in an orthogonal frequency division multiplexing (OFDM) symbol; receiving a second signal including third spread ACK/NACK information and fourth spread ACK/NACK information from a second antenna set of the transmitting end in an OFDM symbol; and de-spreading at least the first and third spread ACK/NACK information or the second and fourth spread ACK/NACK information for identifying the ACK/NACK information. | 2014-01-23 |
20140023122 | ASYNCHRONOUS CORRELATION CIRCUIT, ASYNCHRONOUS FULL ADDER CIRCUIT, CALCULATION DEVICE, CORRELATION DEVICE, ASYNCHRONOUS MAXIMUM VALUE N DETECTION CIRCUIT, AND SATELLITE SIGNAL ACQUISITION DEVICE - An asynchronous correlation circuit includes a first data supply unit that dual-rail-encodes first sequence data and supplies first data to be provided for next calculation at each time when calculation is completed, a second data supply unit that dual-rail-encodes second sequence data and supplies second data to be provided for next calculation at each time when calculation is completed, an addition result storage unit, a third dual-rail encoding unit that dual-rail-encodes a storage value of the addition result storage unit, an asynchronous full addition unit that adds an output value from the first data supply unit to an output value of the third dual-rail encoding unit with a sign in response to an output value from the second data supply unit, and outputs the value, and a dual-rail decoding unit that decodes and outputs an output value of the asynchronous full addition unit to the addition result storage unit. | 2014-01-23 |
20140023123 | Dual-Band LTE MIMO Antenna - Embodiments of a multiple-input-multiple output antenna for use with wireless communication systems are disclosed. In various embodiments, the antenna comprises a first element a first radiation element operable to resonate at a first frequency and a second radiation element operable to resonate at a second frequency, wherein said second frequency is not an integer multiple of said first frequency. In various embodiments, the first and second antenna radiation elements are each proximate to a ground plane and the respective resonance frequencies of said first radiation element and said second radiation element is achieved by controlling the electrical coupling between said first radiation element, said second radiation element and said ground plane. In some embodiments, the resonance frequencies of said first and second radiation elements is controlled independently. | 2014-01-23 |
20140023124 | COMMUNICATION SYSTEM AND CONTROL CIRCUIT THEREIN - A communication system includes a baseband processor, an RF (Radio Frequency) transceiver, a power amplifier, an antenna, and a control circuit. The power amplifier generates an amplified signal. The control circuit includes a coupler, an AC-to-DC (Alternating Current to Direct Current) converter, a comparator, and an attenuator. The coupler generates a transmission signal and a coupling signal according to the amplified signal. The AC-to-DC converter is coupled to the coupler, and converts the coupling signal into a DC (Direct Current) signal. The comparator compares a DC voltage of the DC signal with a reference voltage so as to generate a control signal. The attenuator is coupled between the coupler and the antenna, and attenuates or does not attenuate the transmission signal according to the control signal. | 2014-01-23 |
20140023125 | Signal Transceiver and Adaptive Impedance Switch Circuit - A signal transceiver includes a connector for receiving a signal, a band-pass filter coupled to the connector for filtering the signal, a front-end module for demodulating the signal and an adaptive impedance switch circuit coupled between the band-pass filter and the front-end module for switching an impedance value between the band-pass filter and the front-end module. | 2014-01-23 |
20140023126 | UNIVERSAL NETWORK INTERFACE DEVICE - An universal network interface device with an enclosure, an access module, a modem module, a switching power supply and a battery pack. | 2014-01-23 |
20140023127 | System and Method for Selecting Parameters for Compressing Coefficients for Nodescale Vectoring - In general, the present invention relates to methods and systems for optimizing the precoder coefficient compression parameters for reducing the storage and other demands on a vectored DSL system. Embodiments of the invention can be implemented in conjunction with various existing coefficient compression techniques such as quantization of coefficients and decimation in frequencies. According to certain aspects, the compression parameters (e.g. Golomb modulus and quantization level) are selected for each of a plurality of macrobands so as to optimize the overall data rate of the system for any given channel condition. According to further aspects, the compression parameters are computed to ensure that the compressed coefficients for all macrobands do not exceed the available memory allocated for storing the coefficient data. | 2014-01-23 |
20140023128 | METHOD AND APPARATUS FOR CHARACTERIZED PRE-DISTORTION CALIBRATION OF A POWER AMPLIFIER - A method and apparatus for characterized pre-distortion calibration is provided. The method begins with the selection of a number of devices to be characterized. The number of devices selected may be a subset of a larger group of devices. The selected number of devices is then characterized. The method avoids characterizing the large group of devices. The calibration of the group of devices is then based on the characterization of the selected number of devices. | 2014-01-23 |
20140023129 | INVERTER-AND-SWITCHED-CAPACITOR-BASED SQUELCH DETECTOR APPARATUS AND METHOD - A squelch detector includes is configured to receive a time-varying differential communication signal, and includes switched capacitors and an inverter configured to provide an indication of whether a level of the received communication signal is above or below a threshold value. | 2014-01-23 |
20140023130 | Apparatus and Method for Selective Single-Carrier Equalization - Embodiments of an apparatus and method for selective single-carrier (SC) equalization are provided. Multipath propagation in a communication channel often changes, and the severity of multipath propagation is often below worst case conditions supported by a SC communication device. When multipath propagation is less severe and below worst conditions, the use of frequency-domain equalization (FDE) in a SC receiver to mitigate ISI can be overkill and can result in excess power being consumed. The excess power consumption can be attributed to the general inability of the structure used to perform FDE to scale in terms of performance with channel conditions. Embodiments of the apparatus and method for performing selective equalization in a SC receiver allow either FDE or time-domain equalization (TDE) to be performed based on the current multipath propagation conditions of a communication channel. In general, TDE is used in place of FDE to conserve power when channel conditions permit. | 2014-01-23 |
20140023131 | METHODS AND APPARATUS FOR ADAPTING TRANSMITTER EQUALIZATION COEFFICIENTS BASED ON RECEIVER GAIN ADAPTATION - Methods and apparatus are provided for adapting transmitter equalization coefficients based on receiver gain adaptation. Equalization coefficients of a transmitter that communicates over a channel with a receiver are adapted by determining if a gain value for an amplifier in the receiver is within a limit of the amplifier; and preventing one or more adjustments to the transmitter equalization coefficients if the gain value does not satisfy the upper or lower limit of the amplifier. The gain adjustments comprise, for example, up and down requests for the transmitter equalization coefficients. One or more enable flags can optionally be set based on whether the gain value is within the limit of the amplifier. | 2014-01-23 |
20140023132 | COMMUNICATIONS WITH ADAPTIVE EQUALIZATION - Signal equalization is facilitated in a manner that provides for feedback operation with desirable equalization operation. As consistent with one or more embodiments, a sign is assigned to received signals by generating an output that is an absolute value of the received signals, and a comparator processes the output and to generate a signal having a voltage level limited to a predetermined value. A sign of a signal output by an equalizer is detected and used to assign a sign to the output of the comparator. A summation circuit sums the output of the equalizer with the output of the comparator, and provides the sum to the equalizer as an error signal. The equalizer modifies a frequency component of received signals based on the error signal. | 2014-01-23 |
20140023133 | ADAPTIVE EQUALISER WITH ASYNCHRONOUS DETECTION AND INHIBIT SIGNAL GENERATOR - Generating updated coefficients for an adaptive equaliser involves generating phase tracking information using asynchronous detection strategy (ADS) based on resolved data, and equalised signals, and estimating a phase corrected error based on the equalised signals, the phase tracking information and the resolved data. An inhibit signal is generated to inhibit updating of the equalisation coefficients, the inhibit signal representing a likelihood of the phase corrected error being accurate, determined according to the phase corrected error, and the equalised signals. The equalisation coefficients for the equaliser are adapted based on the received signals, and on the phase corrected error, and the adapting is inhibited according to the inhibit signal. Compared to conventional ADS, the new combination with the inhibit signal can enable improved convergence of coefficient adaptation. This is particularly useful for coherent receivers for optical systems. | 2014-01-23 |
20140023134 | ADAPTATION OF BASELINE WANDER CORRECTION LOOP GAIN SETTINGS - An apparatus includes a first circuit and a second circuit. The first circuit may be configured to receive a signal, where low frequency content of the signal is attenuated due to high pass filtering by a medium carrying the signal and a coupling. The second circuit may be configured to automatically set a gain of a baseline wander correction loop to restore the low frequency content in the signal based upon a sample taken from a first point in a signal pathway of the first circuit. | 2014-01-23 |
20140023135 | Systems and Methods for Video and Audio data Storage and Distribution. - Data compression and decompression methods for compressing and decompressing data based on an actual or expected throughput (bandwidth) of a system. In one embodiment, a controller tracks and monitors the throughput (data storage and retrieval) of a data compression system and generates control signals to enable/disable different compression algorithms when, e.g., a bottleneck occurs so as to increase the throughput and eliminate the bottleneck. | 2014-01-23 |
20140023136 | IN-LOOP FILTERING METHOD AND APPARATUS FOR SAME - According to the present invention, an image-encoding method comprises the following steps: receiving image information; generating a restored block for the current block based on the image information; and generating a finally restored block for the current block by applying an in-loop filter to the restored block on the basis of the image information. According to the present invention, image-encoding/decoding efficiency may be improved. | 2014-01-23 |
20140023137 | TECHNIQUES FOR CONTEXT-ADAPTIVE BINARY DATA ARITHMETIC CODING (CABAC) DECODING - A method for decoding of transform coefficients. The method comprises decoding consecutive bits of an input compressed bitstream; computing a first symbol value using a number of decoded bits; returning the first symbol value if a total number of decoded bits is less than a specified bit count; computing a second symbol value if the total number of decoded bits equals the specified bit count; and returning the second symbol value. | 2014-01-23 |
20140023138 | REUSING PARAMETER SETS FOR VIDEO CODING - In one example, a device includes a video coder (e.g., a video encoder or a video decoder) configured to code parameter set information for a video bitstream, code video data of a base layer of the video bitstream using the parameter set information, and code video data of an enhancement layer of the video bitstream using at least a portion of the parameter set information. The parameter set information may include, for example, profile and level information and/or hypothetical reference decoder (HRD) parameters. For example, the video coder may code a sequence parameter set (SPS) for a video bitstream, code video data of a base layer of the video bitstream using the SPS, and code video data of an enhancement layer of the video bitstream using at least a portion of the SPS, without using any other SPS for the enhancement layer. | 2014-01-23 |
20140023139 | CROSS-CHANNEL RESIDUAL PREDICTION - Systems, apparatus and methods are described including determining a prediction residual for a channel of video data; and determining, using the first channel's prediction residual, a prediction residual for a second channel of the video data. Further, a prediction residual for a third channel of the video data may be determined using the second channel's prediction residual. | 2014-01-23 |
20140023140 | METHODS AND APPARATUSES FOR ENCODING AND DECODING VIDEO USING MULTIPLE REFERENCE PICTURES - A video encoding method using reference pictures includes: writing a parameter indicating a temporal level of a reference picture or a period of a type of a reference picture into the reference picture for each of the reference pictures, creating a first list of reference pictures comprising the reference pictures sorted based on the parameter; and encoding a current picture of the video using at least the first list of reference pictures. A video decoding method using a reference pictures includes: parsing a parameter indicating a temporal level of a reference picture or a period of a type of a reference picture from each of the reference pictures; creating a first list of reference pictures comprising the reference pictures sorted based on the parameter; and decoding a current picture of the video using at least the first list of reference pictures. Corresponding video encoding and decoding apparatuses are provided. | 2014-01-23 |
20140023141 | IMAGE DEBLURRING METHOD USING MOTION COMPENSATION - In an image deblurring method, an image processor determines an absolute difference between a pixel value of each pixel in a current image frame and a pixel value of a corresponding pixel in a reference image frame to obtain a total absolute difference corresponding to the current image frame by summing up the absolute differences corresponding respectively the pixels of the current image frame. When the total absolute difference is smaller than a predetermined first threshold value and not smaller than a predetermined third threshold value, the image processor generates an interpolated image frame based on the current and reference image frames using one of unidirectional motion estimation and bidirectional motion estimation. | 2014-01-23 |
20140023142 | SIGNALING OF TEMPORAL MOTION VECTOR PREDICTOR (MVP) ENABLE FLAG - In one embodiment, a method determines an I slice in a current picture that is currently being encoded and a value for a flag to enable or disable using temporal motion vector predictors for the I slice. The value for the flag is encoded in an encoded bitstream associated with the I slice being encoded. The method then sends the encoded bitstream to a decoder where encoding the value for the flag for the I slice allows pictures that follow the I picture in a decoding order to use temporal motion vector predictors from a picture that precedes the I picture in the decoding order when temporal motion vector predictors are enabled. | 2014-01-23 |
20140023143 | REMOTE DISPLAY APPARATUS - A remote display apparatus takes a display image generated for display on the display screen of an information processing device and displays it on the display screen of a digital television receiver connected to the information processing device through a network. The display image includes a still picture area and a moving picture area. Data representing the still picture area are sent to the digital television receiver as bit mapped data. Data representing the moving picture area are sent to the digital television receiver as a compressively encoded video stream. The digital television receiver does not require additional hardware. | 2014-01-23 |
20140023144 | METHOD FOR SELECTING MOTION VECTOR PREDICTOR AND DEVICE USING SAME - A method for selecting a motion vector predictor is provided. The method of selecting a motion vector predictor includes the steps of selecting motion vector predictor candidates for a current block and selecting a motion vector predictor of the current block out of the motion vector predictor candidates, wherein the motion vector predictor candidates for the current block include a motion vector of a first candidate block which is first searched for as an available block out of left neighboring blocks of the current block and a motion vector of a second candidate block which is first searched for as an available block out of upper neighboring blocks of the current block. | 2014-01-23 |
20140023145 | Management of Decoded Picture Buffer at Picture Format Transitions - In one method embodiment a method of processing of a bitstream is disclosed. The method may include receiving by a processing device a bitstream comprising a first portion of compressed pictures encoded at a first encoding level, the first portion of compressed pictures corresponding to a first picture resolution; determining a ratio of a picture size of at least one picture of the first portion of the compressed picture and a picture size of the largest picture encoded at the first encoding level; determining a first number of picture buffers for processing of the first portion of the compressed pictures, wherein the first number of picture buffers are determined based on the determined ratio; and mapping the first number of picture buffers in a memory allocated for decoding of bitstream. | 2014-01-23 |
20140023146 | ELECTRONIC DEVICES FOR SIGNALING MULTIPLE INITIAL BUFFERING PARAMETERS - An electronic device for sending a message is described. The electronic device includes a processor and instructions stored in memory that is in electronic communication with the processor. The electronic device determines whether a picture is a random access point (RAP) picture. The electronic device also determines whether the picture is associated with a broken link access (BLA) with decodable leading pictures (DLP) network access layer (NAL) unit type if the picture is a RAP picture. The electronic device further generates a message including a RAP coded picture buffer (CPB) parameter flag and an initial additional CPB removal delay parameter if the BLA with DLP NAL unit type is present. The electronic device additionally sends the message. | 2014-01-23 |
20140023147 | CROSS LAYER CODING FOR SATELLITE MOBILE TV BROADCAST METHOD AND APPARATUS - Methods and apparatus providing error protection in multicast-broadcast service by encoding multimedia content according to a first protocol to provide a plurality of distinct video streams, coding each of the distinct video streams using respective coding protocols, wherein each coding protocol has associated with it corresponding descriptors and coefficients, and multiplexing the coded video streams toward a wireless network. | 2014-01-23 |