30th week of 2011 patent applcation highlights part 28 |
Patent application number | Title | Published |
20110182245 | DATA INDICATOR FOR PERSISTENTLY ALLOCATED PACKETS IN A COMMUNICATIONS SYSTEM - An apparatus | 2011-07-28 |
20110182246 | COMMUNICATION CONTROL METHOD AND ITS APPLIED BASE STATION - A disclosed communication control method includes determining a number of bits for transmitting downlink shared data channel information based on one or both of a number of users and a traffic amount and generating a signal for the downlink shared data channel information to be transmitted with the determined number of bits. | 2011-07-28 |
20110182247 | METHOD FOR CONTROLLING HARQ OPERATION IN DYNAMIC RADIO RESOURCE ALLOCATION - A wireless communication system providing wireless communication services and a terminal are provided. There is also provided a method for communicating data between a base station and a terminal in Evolved Universal Mobile Telecommunications System (E-UMTS) or Long Term Evolution (LTE) System evolved from UMTS, particularly, a method for transferring maximum data with minimum radio resources by controlling a Hybrid Automatic Repeat request (HARQ) operation in a dynamic radio resource allocation or scheduling. | 2011-07-28 |
20110182248 | SCHEDULING IN WIRELESS NETWORKS - A basic idea is to determine scheduling priorities of users based on information representative of experienced end-to-end quality of user communication in an overall network, and allocate communication resources in a wireless sub-network ( | 2011-07-28 |
20110182249 | DATA OFFLOADING AT WIRELESS NODE - A method performed by a wireless node includes receiving a data flow associated with user devices; performing a packet inspection of the data flow; determining whether a network address of the wireless node matches another network address associated with the data flow; converting the other network address to a layer 2 identifier when the other network address matches the network address; establishing a bearer link within the wireless node based on the layer 2 identifier; and offloading the data flow from layers of a network, which are higher relative to the wireless node, to the bearer link, wherein the data flow does not traverse the layers. | 2011-07-28 |
20110182250 | APPARATUS FOR PROVIDING LOCATION BASED SERVICE AND METHOD THEREOF - A mobile terminal for providing a location based service includes a short-distance communication module to detect a signal from an access point, to receive server connection information from the access point, to connect to a server belonging to a service area serviced by the access point based on the server connection information, and to automatically receive contents associated with the service area from the server; a display unit to display the received contents; and a control unit to control the short-distance communication module and the display unit. | 2011-07-28 |
20110182251 | CLOSED LOOP ADAPTATION OF DEVICE SCHEDULING PARAMETERS - Systems and methodologies are described that facilitate adapting wireless device scheduling parameters at least in part by adjusting prioritized bit rates (PBR) of one or more logical channels. The PBRs can be adjusted according to feedback from a media access control layer scheduler or a radio link control layer regarding resource allocations to one or more wireless device, served rate for one or more wireless device, and/or the like. Adjusting the PBRs based on the feedback can increase likelihood that data can be transmitted over substantially all or a specified set of logical channels. Moreover, PBRs can be modified for specific wireless devices based further on resource allocations thereto. Furthermore, PBRs can be modified based at least in part on radio conditions of neighboring access points. | 2011-07-28 |
20110182252 | NETWORK-ASSISTED CELL ACCESS - Providing for access point assisted signal acquisition for heterogeneous access point wireless networks is described herein. By way of example, a closed subscriber group (CSG) base station, such as a home NodeB (HNB) can be configured to provide temporary, limited access to a UE that is not authorized to access the HNB. Upon receiving and rejecting an access probe, the HNB can negotiate with a surrounding macro network to provide service for the UE. Further, the HNB can forward signal acquisition data, to assist in proper decoding of pilot or synchronization signals of the macro network. In particular aspects, the HNB can reduce power or blank transmissions on reserved access resources to reduce interference for the UE. By these and other disclosed mechanisms, the HNB can assist a non-CSG subscriber to obtain network service, and mitigate interference effects due to proximity to the UE. | 2011-07-28 |
20110182253 | Mobile Mesh, Relay, and Ad-Hoc System Solution Based on WiMAX Technology - A layered network architecture for a wireless communication network. A mobile network node and/or base-station in a wireless communication network using the layered architecture. Negotiating functionality used by the network nodes and/or base-stations to negotiate layer parameters and/or cell parameters with a neighboring network nodes or base-stations. | 2011-07-28 |
20110182254 | CHANNEL ADAPTATION FOR MULTICARRIER ARRANGEMENT - Implementations related to updating channel adaptation parameters are described. In one implementation, an R2T frame, such as an acknowledgment (ACK) frame, is modified to carry a partial bit allocation table (BAT). The R2T frame may be received by a transceiver apparatus and the partial BAT carried in the header or extended header(s) of R2T frame may be used to update a BAT stored in the transceiver. In another implementation, a message frame is modified to carry a partial BAT. The message frame may be received by a transceiver apparatus and the partial BAT used to update a BAT stored in the transceiver. A unique identification number generated by the receiving transceiver apparatus may be used to synchronize BATs stored in two communicating transceivers without necessity of exchanging additional control messages. | 2011-07-28 |
20110182255 | METHOD FOR TRANSMITTING AND RECEIVING ETHERNET DATA BETWEEN DIGITAL UNIT AND RF UNIT AND APPARATUS THEREOF - A method for transmitting Ethernet data in a Digital Unit (DU) that processes a baseband and interfaces with at least two Radio Frequency (RF) Units (RUs) is provided. The method includes setting location information of two or more Ethernet channels in a first subchannel of a radio frame, allocating the two or more Ethernet channels in second subchannels of the radio frame, using the location information, and transmitting the radio frame to the at least two RUs. | 2011-07-28 |
20110182256 | Method and Arrangement in a Wireless Communication System - The present invention relates to a method for enabling intercell interference coordination in a network node | 2011-07-28 |
20110182257 | WHITE SPACE SPECTRUM COMMMUNCIATION DEVICE WITH MULTIPLEXING CAPABILTIES - In one example, a method includes receiving a plurality of input signals at a multiplexer of a white space device, and generating, via the multiplexer, a multiplexed output signal that includes at least two of the plurality of input signals. The method also includes sensing whether a white space frequency is available for unlicensed use, and communicating the multiplexed output signal over the white space frequency via a transmitter of the white space device when the white space frequency is available for unlicensed use. | 2011-07-28 |
20110182258 | METHOD AND BASE STATION FOR ALLOCATING DOWNLINK HARQ CHANNEL IN WIRELESS COMMUNICATION SYSTEM - A method and base station are provided for allocating a Hybrid Automatic Repeat Request (HARQ) channel according to service flow types. The method allocates a DownLink (DL) HARQ channel by a base station to a mobile station which can be provided with data corresponding to at least one Service Flow (SF) in a wireless communication system. At least one of a plurality of HARQ channels is mapped to a first SF. It is determined whether to allocate the mapped at least one HARQ channel as a dedicated HARQ channel of the first SF based on whether traffic of the first SF exists in a transmission queue corresponding to the first SF. Therefore, dedicated HARQ channels for a delay intolerant SF, such as a Voice over Internet Protocol (VoIP) SF, can be managed without loss of a maximum throughput for a delay tolerant SF such as a Best Effort (BE) SF. | 2011-07-28 |
20110182259 | PARTITIONABLE ROUTER TO FACILITATE COMMUNICATION BETWEEN SYSTEMS - The disclosed subject matter describes a method, system, apparatus, and storage medium for interfacing multiple communication systems via a partitionable router. The router has at least two partitions, each partition having a subset of the router's resources allocated to it. Software programs are executed within each partition using their respective allocated resources. The resources, and any subset thereof, may be allocated non-exclusively, exclusively, and/or non-linearly to the partitions. The router receives information and determines the format of the information. The router identifies the receiving party and transforms the received information into a format compatible for the receiving party. The router then transmits the converted information to the receiving party, where the transmitting and/or receiving party is one of the software programs. | 2011-07-28 |
20110182260 | SYSTEMS AND METHODS FOR ACHIEVING HIGH DATA-RATE WIRELESS COMMUNICATION - An embodiment of the present invention provides a system for increasing aggregate throughput in a wireless network array comprising a first node and a second node. The first node comprises a first plurality of wireless radios, a scheduling module, and an adaptive carrier sensing module. The second node can comprise a second plurality of wireless radios. The first node can be configured to simultaneously wirelessly transmit a first data packet from the first wireless radio in the first plurality of wireless radios to a first wireless radio in the second plurality of wireless radios at a first frequency and wirelessly transmit a second data packet from a second wireless radio in the first plurality of wireless radios to a second wireless radio in the second plurality of wireless radios at a second frequency, wherein the first frequency and second frequency are in a predetermined frequency band. | 2011-07-28 |
20110182261 | COMMUNICATION METHOD FOR TRANSMITTING MULTIPLE PACKET SIGNALS, AND RADIO APPARATUS AND COMMUNICATION SYSTEM USING THE SAME - A radio apparatus communicates with a plurality of terminal apparatuses by using a packet signal composed of at least one stream. A control unit divides a certain period into a plurality of partial periods and assigns respectively the plurality of partial periods to the plurality of terminal apparatuses by associating the periods with the terminal apparatuses. The control unit also generates a packet signal for use in control and packet signals for use in inquiry. In so doing, the control unit generates the inquiry packet signals for the plurality of respective terminal apparatuses, as a single packet signal. A baseband processing unit and other units transmit the control packet signal and then transmit the inquiry packet signals, and receive packet signals, containing inquiry results, from the plurality of respective terminal apparatuses. | 2011-07-28 |
20110182262 | MEDIUM ACCESS CONTROL (MAC) PROTOCOL FOR BODY AREA NETWORKS | 2011-07-28 |
20110182263 | SYSTEM AND METHOD FOR LINKING EXISTING WI-FI ACCESS POINTS INTO A SINGLE UNIFIED NETWORK - The present invention comprises a system and method for providing a distributed wireless network. In a preferred embodiment, at least one information processor is coupled to and accessible over a communication network, such as the internet. Network bandwidth is provided to a first user of at least two end users for a first fee and to a second user of the at least two end users for a second fee. The bandwidth is provided by at least one network service provider. Further, at least two wireless gateway devices are each respectively operated by the end users, and the wireless gateway devices are configured to provide wireless access to the communication network within a transmission range and to communicate with the at one least information processor. Also, at least two wireless receiving devices are provided that are operable to receive the respective bandwidth from the at least two wireless gateway devices when in transmission range. Preferably, the first user is authorized to use the second bandwidth and the second user is authorized to use the first bandwidth via the wireless devices. Thus a system and method of sharing bandwidth is provided. | 2011-07-28 |
20110182264 | METHOD AND APPARATUS FOR FAST CELL SEARCH - The GCL sequence index of each cell/sector is assigned so that a difference of the indices between adjacent cells/sectors is more than N, where N≧1. During GCL index detection, the adjacent N−1 indices of an index with the largest magnitude can be deleted from handoff candidate cell indices. | 2011-07-28 |
20110182265 | RADIO COMMUNICATION BASE STATION APPARATUS AND RADIO COMMUNICATION METHOD USED FOR MULTI-CARRIER COMMUNICATION - Provided is a base station capable of suppressing increase of overhead of allocation result report in frequency scheduling in multi-carrier communication and obtaining a sufficient frequency diversity effect. In the base station, encoding units ( | 2011-07-28 |
20110182266 | SEQUENCE ALLOCATING METHOD, TRANSMITTING METHOD AND WIRELESS MOBILE STATION DEVICE - It is an object to provide a sequence allocating method that, while maintaining the number of Zadoff-Chu sequences to compose a sequence group, is configured to make it possible to reduce correlations between different sequential groups. This method comprises the steps of setting a standard sequence with a standard sequence length (Nb) and a standard sequence number (rb) in a step (ST | 2011-07-28 |
20110182267 | Method, System and Devices for Supporting Handover in Mobile Communication Networks - Handover of a mobile station (MS) from a serving base station (BS) to a target base station in a mobile communication system supporting both MS-initiated handover and BS-initiated handover, is coordinated by ensuring that, both in the case of BS-initiated handover and in the case of MS-initiated handover the mobile station (MS) and the base station (BS) share information, either via a MO_BSHO-REQ message sent from the BS to the MS in the case of BS-initiated HO or via a MO_MSHO-RETQ message sent from the MS to the BS in the case of MS-initiated HO, indicating a target base station for the mobile station (MS) to attempt handover; and the mobile station (MS) sends an information message (MOB_HO-IND) indicating the base station to which handover was attempted. | 2011-07-28 |
20110182268 | OPTIMIZATION OF NON-OPTIMIZED HANDOFF FROM A FIRST ACCESS TECHNOLOGY TO A SECOND ACCESS TECHNOLOGY - A UE and a method are described herein for optimizing a non-optimized handoff from a first access technology (e.g., E-TRAN, WiMAX, UMTS, WiFi, UMB and E-UTRAN) to a second access technology (e.g. 1× RTT, 1× EVDV, HRPD or eHRPD). In one embodiment, the “optimized” non-optimized handoff effectively decreases the mute time that is experienced by the UE during the handoff from the first access technology to the second access technology from around 628 ms to less than 500 ms which is a marked improvement. | 2011-07-28 |
20110182269 | MOBILE COMMUNICATION METHOD AND MOBILE STATION - A mobile communication method according to the present invention includes the steps of: transmitting, from an LTE-AS function to an EMM function, a reconnection request, when the LTE-AS function detects that an RRC connection is chanted to an idle state; and transmitting, at the EMM function, a service request, when the EMM function receives the reconnection request and detects that the LTE-AS function is in a coverage area. | 2011-07-28 |
20110182270 | METHOD AND SYSTEM FOR SWITCHING A RADIO ACCESS TECHNOLOGY BETWEEN WIRELESS COMMUNICATION SYSTEMS WITH A MULTI-MODE WIRELESS TRANSMIT/RECEIVE UNIT - A method and system for switching a radio access technology (RAT) between wireless communication systems connected to each other while implementing different RATs with a multi-mode WTRU are disclosed. A plurality of wireless communication systems are deployed with overlapping coverage areas wherein each system implements different RATs and are connected to each other such that a service that is provided by one system may be provided through the other system. Each wireless communication system transmits an indication of the existence of an inter-working wireless communication system in a coverage area of each system. The WTRU receives the indication and information regarding the inter-working wireless communication system. The WTRU then initiates a handoff to the inter-working wireless communication system using the received information, whereby the WTRU continues to receive the same services that the WTRU receives from the currently connected wireless communication system through the inter-working wireless communication system. | 2011-07-28 |
20110182271 | METHOD AND APPARATUS FOR FACILITATING EFFICIENT HANDOVER - A method and apparatus facilitating efficient handover by a wireless communications device is provided. The method may comprise obtaining at least two handover metrics for a target cell and for a serving cell, wherein the at least two handover metrics are determined by a request received from the serving cell, determining if all the obtained handover metrics for the target cell are greater than or equal to corresponding threshold values, wherein the corresponding threshold values for the at least two handover metrics are determined by the request received from the serving cell, determining if at least one of the obtained handover metrics for the serving cell is less than the corresponding threshold value, and generating a measurement report indicating the target cell as a handover candidate cell. | 2011-07-28 |
20110182272 | APPLICATION-LAYER HANDOFF OF AN ACCESS TERMINAL FROM A FIRST SYSTEM OF AN ACCESS NETWORK TO A SECOND SYSTEM OF THE ACCESS NETWORK DURING A COMMUNICATION SESSION WITHIN A WIRELESS COMMUNICATIONS SYSTEM - Embodiments are directed to an application-layer handoff of an access terminal from a first system of an access network to a second system of the access network during a communication session within a wireless communications system. In an embodiment, the access terminal sets up a communication session on the first system. A multimedia client measures application-layer performance parameters for the communication session supported by the first system, and determines whether to handoff the communication session to a second system based at least in part on the application-layer performance parameters. If the multimedia client determines to handoff the communication session to the second system, the multimedia client initiates the handoff and the communication session is transitioned to the second system. | 2011-07-28 |
20110182273 | SYSTEM, METHOD AND DEVICE FOR HANDLING VOICE CALLS ON A DUAL-MODE WIRELESS MOBILE COMMUNICATION DEVICE - To handle a communication session at a wireless mobile communications device, after receiving an indication of current signal strength of an access point for a wireless local area network (“WLAN”) a signal strength threshold associated with the access point is retrieved. If the communication session is currently carried by a cellular network and the current signal strength exceeds the signal strength threshold, the communication session is switched from the cellular network to the WLAN. A metric is then adjusted based on timing of the switch relative to any switch of the communication session from the WLAN to the cellular network over a preceding time window associated with the access point. Based on the metric, the signal strength threshold associated with the access point is selectively adjusted. If, on the other hand, the communication session is currently carried by the WLAN and the current signal strength is below the signal strength threshold, an attempt is made to switch the communication session from the WLAN to the cellular network and a metric associated with the access point is adjusted based on whether or not the switch failed. Based on this second metric, the signal strength threshold associated with said access point is adjusted. | 2011-07-28 |
20110182274 | Method and Apparatus for a Flexible Peripheral Access Router - The present invention provides a method for a local area network router, that allows communication between a number of remotely located users, and a plurality of peripheral devices connected to the local area network router. Users may access the local area network using wireless devices or the Internet. The peripheral devices, which may include a wide variety of multi-media storage, playback, printing, or other functions, are connected to the router via local interfaces, which communicate with the peripheral devices via established protocols. Each of the peripheral devices is provided with an IP address, which facilitates direct communication of the users with the peripheral devices and permits direct communication with the devices over the Internet. Data packets destined for the IP address of a peripheral device are router through the local interface, which converts the data utilizing compatible communication protocols for the target peripheral device. | 2011-07-28 |
20110182275 | WIRELESS COMMUNICATION DEVICE, ROUTER, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD - Provided is a router including a network interface that communicates with a network, a first communication interface that communicates with a mobile communication interface of a wireless communication device through a mobile communication control station, a second communication interface that communicates with a wireless LAN interface of the wireless communication device through a wireless LAN control station, and a conversion unit that converts an origin address of one of data to the network received from the mobile communication interface and data to the network received from the wireless LAN interface into an origin address of another one of the data. | 2011-07-28 |
20110182276 | Methods And Apparatus For Reducing Power Consumption For Mobile Devices Using Broadcast-To-Unicast Message Conversion - Techniques for use in communicating messages to a mobile device operative in a wireless network are described. A communication network receives a broadcast message which includes a protocol type identifier in a protocol type identifier field. The communication network identifies whether the protocol type of the broadcast message matches one of a plurality of protocol types stored in association with an identification of the mobile device. If the protocol type of the broadcast message matches one of the stored protocol types, then the communication network produces, from the broadcast message, a unicast message which includes information from the broadcast message, and causes the unicast message to be sent to the mobile device in the wireless network. | 2011-07-28 |
20110182277 | METHOD, APPARATUS AND SYSTEM OF SPATIAL DIVISION MULTIPLE ACCESS COMMUNICATION IN A WIRELESS LOCAL AREA NETWORK - Some demonstrative embodiments of the invention include a method, apparatus for concurrently transmitting data to two or more wireless stations. | 2011-07-28 |
20110182278 | EUI BASED REMOTE DATABASE FOR DYNAMIC DEVICE CONTROL - Systems and methods for controlling one or more appliances are provided. One or more appliances ( | 2011-07-28 |
20110182279 | Interference Reduction For Wireless Networks - Embodiments are described to mitigate network interference issues and to enable a significant increase in the throughput of wireless systems. In one method, pilot transmissions of a first and second group of wireless units are synchronized. Each wireless unit of the first group and each wireless unit of the second group use a different orthogonal pilot (than others in their group) from the same group of orthogonal pilots. Also, the pilot transmissions of the second group of wireless units are synchronized so as to be shifted in time from the pilot transmissions of the first group. In another method, data from neighboring cells and pilots from wireless units are received at a cell. Channel vectors for the wireless units are then estimated using the received data from neighboring cells, the received pilots from the wireless units and previously estimated channel vectors between the cell and the neighboring cells. | 2011-07-28 |
20110182280 | Synchronization for Device-to-Device Communication - Various example embodiments are disclosed. According to one example embodiment, a method may include synchronizing, by an access node in a wireless network, with a first mobile station, synchronizing with a second mobile station, compiling a device-to-device group, the device-to-device group including at least the first mobile station and the second mobile station, sending a first connection message to the first mobile station, the first connection message including timing advance parameters of both the first mobile station and the second mobile station, and sending a second connection message to the second mobile station. | 2011-07-28 |
20110182281 | FACILITATING VERIFICATION OF CALL LEG SETUP IN THIRD PARTY CALL CONTROL SYSTEMS - In a third party call control system, a controller sends a command to a PBX for causing the PBX to initiate setup of a call leg between the PBX and a telephone device. The PBX responsively places a telephone call to the telephone device and sends an indicator to the controller that the call is in a ringing state. Responsive to the indicator, the controller subscribes with the PBX for event notification of DTMF tones from the telephone device for verifying the setup of the call leg. Configuration of the PBX for providing the desired event notification to the controller may thus be completed before any DTMF tones arrive at the PBX. This may be true even if an audio channel of the telephone call is established before the PBX receives any indication that the call was answered. Verification of call leg setup by the controller may thus be facilitated. | 2011-07-28 |
20110182282 | MODEM AND METHOD SUPPORTING VARIOUS PACKET CABLE PROTOCOLS - A modem includes a communicating module, a multimedia terminal adapter (MTA) module, a parsing module, and a selecting module. The communicating module sends a configuration file request packet to a TFTP server to get configuration files including a file ID. The parsing module parses the configuration files to get the file ID. The selecting module configures the MTA module corresponding to the file ID. The communicating module further communicates with a VoIP network according to a protocol corresponding to the file ID. | 2011-07-28 |
20110182283 | Web-based, hosted, self-service outbound contact center utilizing speaker-independent interactive voice response and including enhanced IP telephony - Disclosed is an on demand, web-based, outbound contact center utilizing Voice over IP (VoIP) and speaker-independent voice recognition which automatically captures contact responses to question events in a pre-recorded, interactive voice call, the call launched by a user via a broadcast comprising a call sequence created by the user via a call center user interface comprising event add and logic add wizards, the call sequence comprising event prompts based on a user-generated script comprising message events and question events, the event prompts in the group consisting of voice recordings and text-to-speech inputs. | 2011-07-28 |
20110182284 | Proxy Server, Computer Program Product and Methods for Providing a Plurality of Internet Telephony Services - A proxy server including a system manager and a database is provided. The system manager includes an internal registrar module, an external registrar module, a session manager module and a signal routing module. The internal registrar module provides an internal register service for a plurality of nodes in a first service network. The external registrar module registers at an internet service provider providing network services in a second service network. The session manager module manages session processes in the first service network and the second service network and manages the network services shared between the registered nodes. The signal routing module routes control signals of the session processes between the first service network and the second service network. The database stores information related to the registered nodes. | 2011-07-28 |
20110182285 | Sessions In A Communication System - A method in a communications system for handling responses to messages includes a step of sending a message from a first party to a second party. A response to the message is sent, with the response including at least one parameter in breach of a policy for a communication between the first party and the second party. A network controller detects that the response includes at least one parameter breaching the policy. The at least one parameter is modified to be consistent with the policy. | 2011-07-28 |
20110182286 | SEPARATION DEVICE AND METHOD FOR TRANSMITTING VOICE SIGNAL - A separation device and a method for transmitting voice signal are disclosed. The separation device includes a line interface adapted to provide an interface for connecting to a telecommunication access system which provides public switched telephone network (PSTN) and data services; a data interface adapted to provide an interface connected with customer premises equipment (CPE) and connected with the line interface; a first communication interface adapted to provide an interface connected with a PSTN communication terminal; a second communication interface adapted to provide an interface connected with a foreign exchange station (FXS) interface of the CPE; and a connection switching unit adapted to connect the first communication interface with the line interface or connect the first communication interface with the second communication interface, and to perform switching between the two connections to implement PSTN communication or VoIP communication respectively. The solution in the embodiment may help perform switching with a PSTN communication terminal connection line according to different call types so that the PSTN communication terminal may implement the PSTN communication and the VoIP communication respectively. | 2011-07-28 |
20110182287 | Methods, Systems, and Computer Program Products for Enabling Non-IMS Queries of a Common Telephone Number Mapping System - Methods of routing a non-IP multimedia subsystem (IMS) message from a first user terminal that has telecommunications service provided by a first carrier to a second user terminal that has telecommunications service provided by a second carrier are provided. Pursuant to these methods, a first telephone number mapping (ENUM) database is queried to identify an address of a second ENUM database that is operated by the second carrier. The identified address is used to query the second ENUM database. Routing information for the non-IMS message is received from the second ENUM database in response to the query to the second ENUM database. The non-IMS message may then be routed to the second user terminal based on the routing information received from the second ENUM database. Related systems and computer program products are also provided. | 2011-07-28 |
20110182288 | END-POINT AWARE RESOURCE RESERVATION PROTOCOL PROXY - A method performed by a first network device may include receiving a request for a resource from an end-point device and acknowledging the request for the resource to the end-point device. The method may also include receiving a resource coordination message from a second network device and transmitting a return resource coordination message to the second network device. | 2011-07-28 |
20110182289 | Aggregating Multiple Wireless Channels - Extending wired networks by aggregating multiple wireless links. Multiple wireless links are used to bridge wired networks, such as wired Ethernet networks. Each wireless link applies a hash function to the destination MAC address of presented traffic and uses the result of the hash function to determine if the traffic is passed by that wireless link or is dropped. For broadcast and multicast frames, the hash function is calculated on the source MAC address. Dynamic source MAC rewriting may be performed to prevent port flapping or out-of-order arrival of frames. Establishing one link as a master and communicating among links allows for load balancing and link failure detection. | 2011-07-28 |
20110182290 | Method and Apparatus for Performing Network Address Translation - An embodiment of the invention is a method and corresponding system for improved network address translation (NAT) operation, to enable efficient translation for packets destined for communication systems within a domain utilizing network addresses that are incompatible with source and destination addresses indicated in packets delivered from the global Internet. Since the addresses are not compatible with global Internet addresses, delivery cannot be accomplished except by some method of address translation. Traditional systems have not been constructed to enable such inbound translations, providing, instead, only communication outbound from the incompatibly addressed domain towards the global Internet. The example embodiment employs history and pattern matching between observable characteristics of the inbound payload, associated over time with specific destinations. The example embodiment may also employ DPI search techniques known from widely deployed systems in use today, to identify a field on which the pattern matching may operate. | 2011-07-28 |
20110182291 | Facilitating Transition of Network Operations from IP Version 4 to IP Version 6 - Methods, apparatuses and systems directed to facilitating transitions from IPv4 to IPv6 networks. In particular implementations, the invention facilitates or enables accessibility of network application services between IPv4 and IPv6 hosts, or traversal of network paths including both IPv6 or IPv4 domains. Particular implementations of the invention are directed to selective mapping of network layer addresses between IPv6 and IPv4 protocols and Domain Name System records under one or more policy controls. Other implementations of the invention are directed to a proxy-to-proxy based tunnel architecture allowing hosts implementing a first network layer protocol, such as IPv4, to traverse a network implementing a second network layer protocol, such as IPv6. | 2011-07-28 |
20110182292 | DYNAMICALLY ASSIGNING PACKET FLOWS - In general, in one aspect, the disclosure describes a method includes accessing data of an egress packet belonging to a flow, storing data associating the flow with at least one queue based on a source of the data of the egress packet. The method also includes accessing an ingress packet belonging to the flow, performing a lookup of the at least one queue associated with the flow, and enqueueing data of the ingress packet to the at least one queue associated with the flow. | 2011-07-28 |
20110182293 | METHOD FOR INTERCEPTING AND SEARCHING HOST IN IPV6 NETWORK - Disclosed herein are methods of searching for a host in a network using IPv4 and of blocking and searching a host in an IPv6 network which blocking access to an unauthorized network. The present invention provides a method of searching for a host in an IPv6 network, including the steps of requesting host information, including link-layer address information and IP address information about an IP to be searched for, by sending a Neighbor Solicitation (NS) packet in which the IP to be searched for is set in an ICMPv6 target address to the network, after sending the NS packet, waiting for a predetermined time by taking a processing speed of a host and a transfer rate according to a network environment and state into consideration, after the predetermined time of waiting, determining whether a Neighbor Advertisement (NA) packet of the IP to be searched for has been received, and if, as a result of the determination, the NA packet of the IP to be searched for is determined to have been received, acquiring the host information from the NA packet. | 2011-07-28 |
20110182294 | IN-ORDER TRAFFIC AGGREGATION WITH REDUCED BUFFER USAGE - One embodiment provides a system that performs in-order traffic aggregation from a number of low-speed ports to a high-speed port. During operation, the system receives at a low-speed port a packet, stores it in a store-and-forward FIFO associated with the low-speed port, extracts a sequence number associated with the stored packet, and stores the extracted sequence number in a sequence-number FIFO associated with the low-speed port. The system further generates an expected sequence number, which maintains a linear order with respect to sequence numbers associated with previously forwarded packets, and determines whether a front end of the sequence-number FIFO matches the expected sequence number. If so, the system removes the front end of the sequence-number FIFO buffer, retrieves a packet associated with it, forwards the retrieved packet on the high-speed port, and updates the expected sequence number by adding 1 to the packet number of the retrieved packet. | 2011-07-28 |
20110182295 | AUTOMATICALLY IDENTIFYING AN EDGE-FACING ROUTER - Techniques for automatically identifying an edge-facing router in a network are provided. | 2011-07-28 |
20110182296 | Bandwidth and Topology Management Device for Home Networks - Systems, methods, and equipment for use in the management of network topology and bandwidth for computing networks are provided. In an illustrative implementation of a device acting as a patch panel is provided. The patch panel works on both the physical wire and on the frequencies of the wire to route data to appropriate destination points. For example, both ADSL and telephony could be bridged among copper wires, using several independent busses. Home Phone Network Alliance Association (HPNA) standardized data could either be bridged among wires, or connected to an internal switching device, that would store and forward the native Ethernet packets used by HomePNA in a way similar to that done by Ethernet switches today. Additionally, an Ethernet uplink could attach the HPNA ports to a larger network or to a DSL Modem, and HPNA/ADSL could be removed from wires that might have privacy concerns or otherwise need filters to perform properly. | 2011-07-28 |
20110182297 | METHOD AND APPARATUS FOR ROUTING VOICE TRAFFIC OVER A RESIDENTIAL GATEWAY - A system and method for managing voice communication between devices located within a local network and other devices. The present invention permits the managing and selective routing of voice communications over VoIP systems, circuit-based cellular systems and public switched telephone network systems based upon predefined criteria such as Quality of Service (QoS) considerations, geographic considerations, cost considerations and other factors. | 2011-07-28 |
20110182298 | COMMUNICATION APPARATUS, MEDIUM AND COMMUNICATION METHOD - A communication apparatus that can communicate with a network includes a transmitting/receiving unit configured to transmit and receive a packet, a first information storing unit configured to store first information about a route, a second information storing unit configured to store second information that specifies a gateway, via which a transmitted packet is to pass, from among the first information, a detecting unit configured to detect third information including Layer 2 information about a gateway based on a received packet, a determining unit configured to determine whether or not a first condition that is a condition for a change of the second information is satisfied based on the third information, and a changing unit configured to change the gateway specified in the second information if it is determined that the first condition is satisfied. | 2011-07-28 |
20110182299 | LIMITING TRANSMISSION RATE OF DATA - An improved solution for limiting the transmission rate of data over a network is provided according to an aspect of the invention. In particular, the transmission rate for a port is limited by rate limiting one of a plurality of queues (e.g., class/quality of service queues) for the port, and directing all data (e.g., packets) for transmission through the port to the single rate limited queue. In this manner, the transmission rate for the port can be effectively limited to accommodate, for example, a lower transmission rate for a port on a destination node. | 2011-07-28 |
20110182300 | Network Traffic Shaping for Reducing Bus Jitter on a Real Time Controller - System and method for controlling access to a bus. A Network Interface (NI) is coupled to a memory via the bus, and receives a schedule to a Direct Memory Access (DMA) controller on the NI. The schedule indicates one or more timeslots reserved for transmission of deterministic data, and further indicates one or more available timeslots which are not reserved for transmission of deterministic data. The NI receives first data for transmission onto the bus, during a first timeslot of the available timeslots, where the first data are received in a non-deterministic manner, and determines that the first timeslot is a reserved timeslots based on the schedule. The first data are buffered in a buffer memory during the first timeslot, and transferred to the first memory via the bus during a second timeslot after the buffering, where the second timeslot is one of the one or more available timeslots. | 2011-07-28 |
20110182301 | TDMA VOICE COMMUNICATION METHOD AND APPARATUS - In accordance with a first aspect, a method, apparatus and system is disclosed for communicating within a TDMA communication system comprising receiving data from a plurality of transmitters in a stream of TDMA super-frames, wherein each transmitter transmits payload data in one particular frame within a defined super-frame, each super-frame comprising M frames, where M is a positive integer greater than one, determining, using a processor, a quality of received data from said transmitters, and if the quality of received data from one of said transmitters is below a quality threshold, granting said one of said transmitters the right to transmit data within a second frame in said super-frames, and collectively processing in a processor said data in both frames of said super-frame assigned to said one of said transmitters to reconstruct said data from said one of said transmitters Also, a method, apparatus and system for processing data received in a TDMA communication system utilizing a stream of TDMA super-frames, each super-frame having a structure comprising M frames, each frame designed to carry data of a duration of Y time units, from a different communication channel, where Y is a positive integer, said method comprising dividing said super-frame into N/M hyper-frames, where N is a factor of M, and partitioning said data from each of said transmitters into mini-frames of duration Y/N and interleaving said mini-frames of data from each of said transmitters into a TDMA transport stream comprising super-frames of M*N mini-frame | 2011-07-28 |
20110182302 | SWITCH NODE - A non-blocking telecommunications node comprising a plurality of ports. Each port adapted to pass telecommunications traffic comprising multiplexed signals. Each port is adapted to receive an incoming multiplexed signal comprising a plurality of component signals each having a predetermined wavelength. The node includes a plurality of transponders each arranged to receive a component signal. The plurality of transponders are arranged and connected to the ports such that each instance of a component signal having a specific wavelength received by each of the ports can be received simultaneously by the transponders. A node for adding component signals to an outgoing multiplexed signal is also disclosed. | 2011-07-28 |
20110182303 | Implementing Priority Based Dynamic Bandwidth Adjustments - A method that includes receiving a reservation request from a first endpoint that comprises a bandwidth list identifying a plurality of bandwidth levels associated with the first endpoint. At least two of the bandwidth levels have a unique priority level associated therewith. The method also includes establishing a communication session between the first endpoint and at least one additional endpoint using a first bandwidth based on a first priority level. The first bandwidth and the first priority level are each associated with a first bandwidth level of the plurality of bandwidth levels. The method further includes detecting a bandwidth event that impacts a bandwidth used by the first endpoint for the communication session. The method additionally includes adjusting the bandwidth used by the first endpoint to a second bandwidth that is different than the first bandwidth based on a second priority level that is different than the first priority level. | 2011-07-28 |
20110182304 | Data transmitting device and data receiving device - A data transmitting device transmits section information, a data broadcasting content, and a broadcasting content in a multiplexed manner. The data transmitting device includes a specified-information embedding unit that embeds information related to a specified image into the section information; a multiplexing unit that multiplexes the section information embedded with the specified information by the specified-information embedding unit, the data broadcasting content, and the broadcasting content; and a transmitting unit that transmits data multiplexed by the multiplexing unit to a data receiving device. | 2011-07-28 |
20110182305 | Small Packaged Tunable Laser with Beam Splitter - According to one embodiment, the present application includes a tunable laser configured in a small package. The tunable laser includes a housing with a volume formed by exterior walls. An electrical input interface is positioned at the first end of the housing and configured to receive an information-containing electrical signal. An optical output interface is positioned at the second end of the housing and configured to transmit a continuous wave optical beam. A tunable semiconductor laser is positioned in the interior space and operable to emit a laser beam having a selectable wavelength. A focusing lens assembly is positioned in the interior space along an optical path of the laser beam to operatively couple the laser beam to the optical output interface. | 2011-07-28 |
20110182306 | GENERATION OF BURST OF LASER PULSES - This invention relates to a method for generating bursts of laser pulses and to an apparatus for generating bursts of laser pulses and to a Pockels cell driving circuit. A method for generating bursts of laser pulses comprising generating first repetition rate laser pulses, and generating first repetition rate laser bursts from the repetition laser pulses, the laser bursts each containing a sequence of second repetition rate laser pulses, wherein the second repetition rate is higher than the first repetition rate. | 2011-07-28 |
20110182307 | TRACKING INJECTION SEEDING POWER BASED ON BACK FACET MONITORING (BFM) OF AN INJECTION SEEDED LASER - A method of estimating an injection power of seed light injected into an injection-seeded transmitter. A back face monitoring (BFM) response of the injection-seeded transmitter is determined, and data representative of the BFM response stored in a memory. During run-time, a controller of the injection-seeded transmitter, detects a temperature of the injection-seeded transmitter and an instantaneous BFM current. BFM response data is obtained from the memory based on the detected temperature, and the seed light injection power estimated based on the obtained data and the detected instantaneous BFM current. | 2011-07-28 |
20110182308 | Monolithic Fiber Laser Beam Combiner - A compact, light weight laser beam combiner includes a pair of concentric annular shells defining an annular cavity of an annular ring resonator having an annular solid laser gain medium disposed therein. The output ends of a plurality of low power and brightness fiber lasers are coupled into the cavity of the resonator such that fiber laser beams cause the gain medium in the resonator cavity to lase and produce an annular beam of laser light. Optical elements of the resonator are operable to feed a first portion of the laser light back through the resonator cavity to support regenerative lasing of the laser medium and to couple off a second portion of the laser light in the form of a circular beam of high power and high brightness laser light. A fluid may be circulated through the resonator cavity to cool the laser medium. | 2011-07-28 |
20110182309 | LASER DIODE PACKAGE WITH ENHANCED COOLING - A laser diode package assembly includes a reservoir filled with a fusible metal in close proximity to a laser diode. The fusible metal absorbs heat from the laser diode and undergoes a phase change from solid to liquid during the operation of the laser. The metal absorbs heat during the phase transition. Once the laser diode is turned off, the liquid metal cools off and resolidifies. The reservoir is designed such that that the liquid metal does not leave the reservoir even when in liquid state. The laser diode assembly further includes a lid with one or more fin structures that extend into the reservoir and are in contact with the metal in the reservoir. | 2011-07-28 |
20110182310 | NITRIDE SEMICONDUCTOR LASER DIODE AND MANUFACTURING METHOD THEREOF - A nitride semiconductor laser diode includes a substrate of n-type GaN, and a multilayer structure including an n-type cladding layer of Al | 2011-07-28 |
20110182311 | GALLIUM NITRIDE BASED SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME, GALLIUM NITRIDE BASED LIGHT-EMITTING DIODE, EPITAXIAL WAFER, AND METHOD FOR FABRICATING GALLIUM NITRIDE LIGHT-EMITTING DIODE - Provided is a gallium nitride based semiconductor light-emitting device with a structure capable of enhancing the degree of polarization. A light-emitting diode | 2011-07-28 |
20110182312 | LASER DIODE USING ASYMMETRIC QUANTUM WELLS - A laser diode using asymmetric quantum wells includes a N-type semiconductor, a P-type semiconductor, a first quantum well structure, and a second quantum well structure. The first quantum well structure is between the N-type semiconductor and the P-type semiconductor, and includes at least one first quantum well having a first thickness. The second quantum well structure is between the N-type semiconductor and the P-type semiconductor, and includes at least one second quantum well having a second thickness greater than the first thickness of the first quantum well and a lasing wavelength greater than that of the first quantum well. The second quantum well is formed with a spike therein. | 2011-07-28 |
20110182313 | LASER DIODE AND METHOD OF MANUFACTURING THE SAME - A laser diode which realizes NFP with a stable and uniform shape. The laser diode includes, on a semiconductor substrate, an active layer, one or a plurality of strip-shaped current confinement structures confining a current which is injected into the active layer, and a stacked structure including one or a plurality of strip-shaped convex portions extending in an extending direction of the current confinement structure. | 2011-07-28 |
20110182314 | VERTICAL CAVITY SURFACE EMITTING LASER, VERTICAL CAVITY SURFACE EMITTING LASER DEVICE, AND OPTICAL TRANSMISSION DEVICE - A vertical cavity surface emitting laser that includes: a substrate; a first reflector of a first conductive type formed on the substrate; an active region formed on the first reflector; a second reflector of a second conductive type formed on the active region; and a current confining layer formed between the first reflector and the second reflector; and a metallic electrode that is formed on the second reflector, and is electrically connected to the second reflector. A conductive region with an anisotropy where a length in a longitudinal direction is different from a length in a short direction is formed in the current confining layer, and an opening defining a beam aperture is formed in the metallic electrode, and a diameter of the opening in the longitudinal direction is smaller than the length of the conductive region in the longitudinal direction. | 2011-07-28 |
20110182315 | Surface-emitting semiconductor laser and manufacturing method thereof - A manufacturing method of a surface-emitting semiconductor laser includes the steps of: forming a stacked structure having a lower-multilayer film reflector including a lower oxidizable layer having at least one layer, an active layer having a light emitting region, an upper-multilayer film reflector including an upper oxidizable layer and an upper layer on a substrate in this order; providing a first groove in the upper layer; and providing a second groove including a portion overlapping the first groove in a planar shape and a portion not overlapping the first groove in the stacked structure. | 2011-07-28 |
20110182316 | SURFACE EMITTING SEMICONDUCTOR LASER - A surface emitting semiconductor laser includes: a substrate; a first semiconductor multilayer reflector of a first conduction type that is formed on the substrate and is composed of stacked pairs of relatively high refractive index layers and relatively low refractive index layers; a cavity region that is formed on the first semiconductor multilayer reflector and includes an active region; and a second semiconductor multilayer reflector of a second conduction type that is formed on the cavity region and is composed of stacked pairs of relatively high refractive index layers and relatively low refractive index layers. A cavity length of a cavity that includes the cavity region and the active region between the first semiconductor multilayer reflector and the second semiconductor multilayer reflector is greater than an oscillation wavelength. | 2011-07-28 |
20110182317 | SURFACE EMITTING SEMICONDUCTOR LASER HAVING A PLURALITY OF ACTIVE ZONES - A surface emitting semiconductor laser includes a semiconductor body having at least two active zones that emit laser radiation and are connected to one another by a tunnel junction; an external resonator mirror arranged outside the semiconductor body and forming a laser resonator; and at least one polarization-selective element arranged in the laser resonator. | 2011-07-28 |
20110182318 | SURFACE-EMITTING LASER AND SURFACE-EMITTING LASER ARRAY - A surface-emitting laser includes a surface relief structure provided on an upper multilayer reflector, the surface relief structure including a region of a first laminate, a region of a second laminate that has a larger optical thickness than the first laminate, and a region of a third laminate that has a larger optical thickness than the first laminate and the second laminate. | 2011-07-28 |
20110182319 | CO2 LASER OUTPUT POWER CONTROL DURING WARM-UP | 2011-07-28 |
20110182320 | THERMAL DETECTOR, THERMAL DETECTOR DEVICE, ELECTRONIC INSTRUMENT, AND METHOD OF MANUFACTURING THERMAL DETECTOR - The thermal detector includes a substrate, a thermal detector element including a light absorbing film, a support member supporting the thermal detector element and supported on the substrate so that a cavity is present between the member and the substrate, and at least one auxiliary support post of convex shape protruding from either the substrate or the support member towards the other. The height of the at least one auxiliary support post is shorter than the maximum height from the substrate to the support member. | 2011-07-28 |
20110182321 | DETECTION CIRCUIT FOR HEAT SENSOR, HEAT SENSOR DEVICE, AND ELECTRONIC DEVICE - A detection circuit for a heat sensor includes a charge circuit provided between a second power supply node and a detection node of a heat sensing element, and a discharge circuit provided between the detection node and a first power supply node. The discharge circuit has a discharge resistance element and a discharge transistor provided in series between the detection node and the first power supply node. | 2011-07-28 |
20110182322 | THERMAL DETECTOR, THERMAL DETECTING DEVICE, AND ELECTRONIC INSTRUMENT - A thermal detector includes a thermal detecting element and a support member supporting the thermal detecting element and a wiring layer. The support member has an arm member connected to a mounting member with the first arm member having an arm base end section extending outwardly from the mounting member toward a first direction, the arm base section having a first width measured along a direction perpendicular to the first direction, and an arm body section having a proximal end portion extending from the arm base end section generally along an outer contour of the mounting member with the proximal end portion being spaced apart from an edge of the mounting member in the first direction. The proximal end portion of the arm body section has a second width measured along a direction perpendicular to a lengthwise direction of the arm body section that is narrower than the first width. | 2011-07-28 |
20110182323 | DETECTION DEVICE, SENSOR DEVICE, AND ELECTRONIC DEVICE - A detection device includes a heat sensing element, a detection circuit connected to a detection node of the heat sensing element, and a read circuit connected to a read node of the detection circuit, wherein the detection circuit includes a drive transistor whose gate is controlled by the detection node. In a program period the detection node is programmed to a voltage value corresponding to the threshold voltage of the drive transistor, and in a read period following the program period the read circuit reads the detection result of the detection circuit. | 2011-07-28 |
20110182324 | OPERATING TEMPERATURE MEASUREMENT FOR AN MOS POWER COMPONENT, AND MOS COMPONENT FOR CARRYING OUT THE METHOD - The invention is intended to specify an electrical measuring method for an operating temperature and a modified component for carrying out the method which improves the monitoring of the component. Measured temperature values are intended to be delivered without any time delay and without requiring additional surfaces for temperature sensors. Location-related temperature values need to be able to be measured. The invention proposes a method for said location-related electrical measurement of the operating temperature of a likewise proposed MOS power component with a gate electrode network comprising a material whose temperature coefficient of the electrical resistance is known. The gate electrode network is divided into a plurality of measuring sections with contact point pairs which are respectively connected to contacts ( | 2011-07-28 |
20110182325 | SPACE-TIME CODING/DECODING METHOD FOR A DUAL-ANTENNA PULSE UWB COMMUNICATION SYSTEM - This invention relates to a space-time coding method for a UWB transmission system comprising two radiation elements. This method codes a block of information symbols (S=(a | 2011-07-28 |
20110182326 | EMBEDDED RF ENVIRONMENTAL EVALUATION TOOL TO GAUGE RF TRANSCEIVERS PERFORMANCE NEED - The present technology relates to protocols relative to utility meters associated with an open operational framework. More particularly, the present subject matter relates to protocol subject matter for advanced metering infrastructure, adaptable to various international standards, while economically supporting a 2-way mesh network solution in a wireless environment, such as for operating in a residential electricity meter field. The present subject matter supports meters within an ANSI standard C12.22/C12.19 system while economically supporting a 2-way mesh network solution in a wireless environment, such as for operating in a residential electricity meter field, all to permit cell-based adaptive insertion of C12.22 meters within an open framework. Cell isolation is provided through quasi-orthogonal sequences in a frequency hopping network. Additional features relate to apparatus and methodology subject matters related to Embedded RF environmental evaluation tool features to gauge the performance need of RF transceivers. | 2011-07-28 |
20110182327 | RADIO TRANSMISSION DEVICE AND RADIO TRANSMISSION METHOD - Provided are a radio transmission device and a radio transmission method which can reduce the transmission packet collision generation ratio even when a reception of scheduling information has failed in the retransmission method using a combination of the adaptive HARQ and the non-adaptive HARQ. In ST | 2011-07-28 |
20110182328 | RADIO COMMUNICATION DEVICE AND RESPONSE SIGNAL DIFFUSION METHOD - Provided is a radio communication device which can surely prevent inter-code interference while maintaining the use efficiency of an upstream line control channel and suppress separation characteristic of a response signal. The device includes: a control unit ( | 2011-07-28 |
20110182329 | DEVICE AND METHOD FOR DISTORTION-ROBUST DECODING - A device for decoding code symbols which are interfered with a distortion during a predetermined distortion time interval includes a reliability information generator to provide reliability information based on the code symbols and a decoder to decode the code symbols into code words. The decoder is configured to decode the code symbols based on weighted reliability information, wherein the weighted reliability information is generated from the reliability information by applying a first weight during times not coinciding with the distortion time interval, and by applying a second weight different from the first weight during times coinciding with the distortion time interval. | 2011-07-28 |
20110182330 | Serial cancellation receiver design for a coded signal processing engine - An interference cancelling receiver combines data from multiple paths after aligning to transmitter timing, and uses either an equalizer or a Rake receiver to compute symbol estimates. Interference estimates are generated from the symbol estimates, and multiple interference estimates are combined after re-aligning the interference estimates to receiver timing. At least two segments of symbol estimates are computed for each segment of interference cancelled data. | 2011-07-28 |
20110182331 | DEVICE AND METHOD FOR PROCESSING INPUT DATA OF PROTECTIVE RELAY - A device and a method for processing an input data of an protective relay, even in case that data stored in an accumulation buffer of the protective relay is damaged due to noises, etc., that can recover it and carry out a normal measurement are provided, the invention includes a digital signal processing part comprising inputting a sampled digital data to a digital signal processing part, counting and accumulating frequency of the inputted data, comparing the accumulated value with a value of a period, inputting a value of an update accumulation buffer to a measurement accumulation buffer and initializing the update accumulation buffer if the counted accumulation frequency is equal to the value of one period; and performing an RDFT (Recursive Discrete Fourier Transform) operation on the inputted digital data to dually buffering the measurement accumulation buffer and the update accumulation buffer. | 2011-07-28 |
20110182332 | METHOD AND APPARATUS FOR HIGH SPEED DATA TRANSMISSION MODULATION AND DEMODULATION - A method and apparatus for communicating wirelessly comprising creating a plurality of sub-carrier signals by quadrature amplitude modulating data onto a plurality of sub-carrier frequencies spaced apart by a sub-carrier frequency spacing interval, frequency shifting the sub-carrier signals by one half of the sub-carrier frequency spacing interval, and modulating the sub-carrier signals onto a radio frequency carrier wave for wireless transmission. | 2011-07-28 |
20110182333 | RF TRANSCEIVER DEVICE WITH RF BUS - A radio frequency (RF) transceiver device includes a processing module, a memory, and an RF section, each including an RF bus transceiver. An RF bus facilitates communication between the processing module, the memory and the RF section via the RF bus transceivers. An RF bus controller controls access to the RF bus. | 2011-07-28 |
20110182334 | Method And System For Communicating Over Neutral Power Lines - A method and system for communicating over neutral power lines is provided wherein the neutral power line is isolated from the ground line and other connections, such as with transformers, by using a plurality of ferrites. The ferrites are positioned between the connections to the neutral line and the outputs of a BPL modem. | 2011-07-28 |
20110182335 | CALIBRATION SIGNAL GENERATOR - A calibration signal generator for use in a balancing circuit calibration device in a radio receiver, the calibration signal generator comprising: a means of amplifying a clocking signal from a clocking signal generator to provide a first calibration signal; a means of generating a second calibration signal from the clocking signal, the first and second calibration signals being transmissible to a one or more mixing circuits in the balancing circuit calibration device; and a means synchronising the operation of other circuit elements in the balancing circuit calibration device with the clocking signal; characterised in that the clocking signal generator is present in the radio receiver and used therein for other functions. | 2011-07-28 |
20110182336 | METHOD FOR DETERMINING A SIGNAL VECTOR AND DETECTION CIRCUIT - A method for determining a signal vector comprising a plurality of components from a received signal vector is provided comprising generating an estimation of the signal vector; determining a channel matrix characterizing the communication channel via which the signal vector was received; carrying out a plurality of determination iterations based on the channel matrix, wherein for each iteration a first set of possible sub-vectors of the signal vector is determined based on a second set of possible sub-vectors for the previous iteration and from the first set of possible sub-vectors, a number of sub-vectors is selected based on the distance of the sub-vectors to the estimated signal vector according to a pre-selected metric to form a strict subset of the first set as the second set of possible sub-vectors for the iteration; determining the signal vector based on a possible sub-vector for the last iteration. | 2011-07-28 |
20110182337 | COMMUNICATION APPARATUS AND COMMUNICATION METHOD IN MOBILE COMMUNICATION SYSTEM - The communication apparatus includes: a processing unit | 2011-07-28 |
20110182338 | CO-CHANNEL INTERFERENCE AND ADJACENT CHANNEL INTERFERENCE DETECTION AND SUPPRESSION - Methods having corresponding apparatus and computer-readable media comprise: receiving an input signal, wherein the input signal includes a DVB-H signal; detecting co-channel interference (CCI) in the signal; suppressing the CCI in the input signal; and demodulating the DVB-H signal after suppressing the CCI. | 2011-07-28 |
20110182339 | METHOD AND APPARATUS FOR REDUCING PEAK TO AVERAGE POWER RATIO USING PEAK WINDOWING - A method and apparatus for reducing a Peak to Average Power Ratio (PAPR) using peak windowing is provided. In the apparatus, an absolute value calculator calculates an absolute value of an input signal, a subtractor subtracts a predetermined clipping threshold level from the absolute value, a smoothing unit performs smoothing on the subtracted signal according to a predetermined smoothing scheme and outputs a first smoothed signal, an adder adds the first smoothed signal to the clipping threshold level, an inverse calculator outputs a second smoothed signal by multiplying the clipping threshold level by an inverse of the added signal, and a multiplier outputs a final PAPR-reduced signal by multiplying the input signal by the second smoothed signal. The method and apparatus address an overcompensation problem while processing signals having a large bandwidth and a high data rate without delay, thereby minimizing the clipping influences on Bit Error Rate (BER) and Adjacent Channel Leakage Ratio (ACLR) performances. | 2011-07-28 |
20110182340 | OFDM CHANNEL ESTIMATION SYSTEM AND METHOD COMPONENTS - Channel estimation for high mobility OFDM channels is achieved by identifying a set of channel path delays from an OFDM symbol stream including carrier data, inter-channel interference noise and channel noise; determining the average channel impulse response for the identified set of channel path delays in each symbol; generating a path delay curvature for each channel path delay in each symbol based on stored average channel impulse responses for the identified channel path delays; estimating the carrier data in the symbols in the OFDM symbol stream in the presence of inter-channel interference noise and channel noise from the OFDM symbol steam and the average impulse responses for the identified channel path delays; reconstructing the inter-channel interference noise in response to the path delay curvature, the identified set of channel path delays and estimated carrier data to produce a symbol stream of carrier data and channel noise with suppressed inter-channel interference noise. | 2011-07-28 |
20110182341 | DIGITAL SUBSCRIBER LINE (DSL) NETWORK UPGRADE TOOL - A network upgrade tool identifies at least one new digital subscriber line (DSL) path pre-provisionable elements associated with the at least one new DSL path. The tool provisions the identified pre-provisionable elements prior to transition from at least one existing DSL path to the at least one new DSL path; receives a notification that physical network changes associated with a target digital subscriber line access multiplexer (DSLAM) have been made; and provisions non-pre-provisioned elements following receipt of the notification | 2011-07-28 |
20110182342 | APPARATUS, AND ASSOCIATED METHOD, FOR COMMUNICATING A DATA BLOCK IN A MULTI CARRIER MODULATION COMMUNICATION SCHEME - Apparatus, and an associated method, for sending a data block in an OFDM, or other MCM, communication system with reduced PAPR is provided. The data block is combined with a random scrambling sequence. An IDFT operation is performed upon the combined sequence, and its PAPR, peak-to-average power ratio, is calculated. The PAPR is compared against a threshold. If the PAPR is smaller than a threshold, the transformed, combination sequence is transmitted. Otherwise, a different scrambling sequence, if available, is used to form a new combination sequence, and the process iterates until either a PAPR smaller than the threshold is obtained, or a pre-defined maximum number of iterations is reached. If the maximum number of iterations is reached and no combination sequence is created that leads to an acceptable PAPR, then the transformed, combination sequence that exhibits the smallest PAPR level is selected for transmission. | 2011-07-28 |
20110182343 | ENCODER - An average quantization error value of each of I, P, and B pictures in an encoded unit of processing is calculated as an actually measured value having a large variation. An average quantization error value of each of I, P, and B pictures in an uncoded unit of processing is set as a target value having a small variation. In the encoding of the uncoded unit of processing, a result of the encoding of the encoded unit of processing is referenced and fed back thereto. By uniformly setting respective quantization errors of images and further by uniformly setting the respective qualities of the images, the image quality of a whole stream can be subjectively improved. Since the prefetch of the uncoded unit of processing is not needed, it is possible to perform real-time processing without any increase in the circuit scale. | 2011-07-28 |
20110182344 | ESTIMATING INTERFERENCE IN MULTI CHANNEL SYSTEMS - A method for estimating interference between a plurality of carrier signals in a multi-channel system including injecting pilot symbols into a first carrier signal and transmitting the first carrier signal, transmitting a second carrier signal, receiving at least the first carrier signal and the second carrier signal, and estimating interference between the received first carrier signal and the received second carrier signal based, at least in part, on measuring the received first carrier signal when a pilot symbol of the first carrier signal is received. A multi-channel communication system including a plurality of transmitters for a plurality of carrier signals, a pilot symbol injector for injecting silent pilot symbols into at least one of the carrier signals, a plurality of receivers for the plurality of carrier signals, and an interference estimator configured to estimate interference between at least two of the plurality of carrier signals based, at least in part, on receiving silent pilot symbols in at least one of the at least two of the plurality of carrier signals. Related apparatus and methods are also described. | 2011-07-28 |