| 45th week of 2009 patent applcation highlights (11-05-09/11-05-09_23) part 23 |
| Patent application number | Title | Published |
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| 20090274103 | SYSTEM AIDED PAPR REDUCTION SCHEME BASED ON TR ALGORITHM - A peak-to-average power ratio (PAPR) reduction method, known as system-aided PAPR reduction (SAPR), is disclosed. Based on a TR algorithm, the SAPR method avoids the drawbacks of conventional tone reservation implementations, and reduces PAPR significantly, in some embodiments. The SAPR method may be applied to next generation OFDMA-based wireless broadband technologies, to increase system throughput and cell coverage. | 11-05-2009 |
| 20090274104 | FIXED MOBILE CONVERGENCE TECHNIQUES FOR REDUNDANT ALARM REPORTING - Alarm reporting systems and methods for reporting alarms to a central monitoring station using fixed mobile convergence (FMC) techniques. An alarm reporting system comprises a plurality of sensors, an alarm reporting module that receives alarm signals from the plurality of sensors, and a logic unit that generates an alarm message related to the alarm signal. The alarm reporting module further comprises at least two transceivers, the first of which is a wi-fi transceiver that communicates with a central monitoring station via a wireless access point further connected to an internet connection. The second transceiver is a cellular tranceiver that communicates with the central monitoring station via a cellular network further connected to an internet gateway. The second tranceiver provides redundancy in case the wireless access point or the first internet connection become unavailable. | 11-05-2009 |
| 20090274105 | OFDMA contention-based random access channel design for mobile wireless systems - Short spreading is used within a random access channel in an OFDM based network to spread data for transmission through the channel. The resource allocation of the random access channel is divided into a number of resource blocks in frequency, time, or both frequency and time. Each resource block has a dimension that is only a portion of the overall size of the resource allocation. During contention, a randomly selected short spreading code may be used to provide data spreading within a randomly selected resource block. | 11-05-2009 |
| 20090274106 | METHOD AND APPARATUS FOR ROUTING COMMUNICATIONS USING ACTIVE AND PASSIVE END-TO-END QUALITY-OF-SERVICE RESERVATIONS BASED ON NODE MOBILITY PROFILES - A method and apparatus for routing communications using end-to-end QoS reservations based on node mobility profiles is disclosed. The method may include setting up active quality of service reservations along a first path to a destination edge node, receiving a mobility profile from the destination edge node, setting up passive quality of service reservations based on the received mobility profile, switching communications from active quality of service reservations to passive quality of service reservations, and tearing down the active quality of service reservations based on the received mobility profile. | 11-05-2009 |
| 20090274107 | Method for transmitting voice packets in wireless communication system - There is provided a method for transmitting voice packets for VoIP service using semi-persistent scheduling that previously allocates radio resources and performs uplink transmission using the previously allocated radio resources when additional radio resource allocation is not resources used for talkspurt and radio resources used for silent period, detecting transition from the talkspurt to the silent period or transition from the silent period to the talkspurt, and transmitting a transition indicator that indicates the transition from the talkspurt to the silent period or transition from the silent period to the talkspurt. | 11-05-2009 |
| 20090274108 | RADIO BASE STATION AND MOBILE COMMUNICATION METHOD - A radio base station according to the present invention includes: a determiner determining a transfer rate of data transferred from the radio network controller to the radio base station, based on a predetermined bandwidth of a wired transmission path, a bandwidth of the wired transmission path not being used, and a bandwidth of the wired transmission path being used by the mobile station; and a notifier notifying the radio network controller of the determined transfer rate. | 11-05-2009 |
| 20090274109 | METHOD AND APPARATUS FOR UPLINK ACK/NACK RESOURCE ALLOCATION - A method is provided to allocate resources for wireless communications. The method includes grouping downlink control channels from multiple subframes and ordering the downlink control channels across downlink subframes having a first control channel element located in a first symbol map and associated with reserved resources for an uplink channel. The method employs a symbol first mapping or a mixed-symbol/subframe first mapping to efficiently allocate the resources. | 11-05-2009 |
| 20090274110 | Method and System for Generating Antenna Selection Signals in Wireless Networks - Embodiments of the invention describe a method for antenna selection (AS) in a wireless communication network, the network comprising user equipment (UE), wherein the UE comprises a plurality of subsets of antennas including a selected subset of antennas and an unselected subset of antennas, wherein only the selected subset of antennas is used for transmitting user data, and wherein the UE is configured to transmit only from a subset of antennas at a time. The method transmits the user data from the selected subset of antennas within a set of subframes, and transmits a sounding reference signal (SRS) from the unselected subset of antennas within at least one subframe in the set of subframes to enable antenna selection for user data transmission. | 11-05-2009 |
| 20090274111 | BASE STATION, SUBORDINATED STATION AND TRANSMISSION METHOD THEREOF - A base station (BS), a subordinated station (SS) and the transmission methods thereof for use in a multi-input multi-output (MIMO) network are provided. The BS stores resource allocation information about the MIMO network and an SS list, and generate a super frame according to the resource allocation information and the SS list. The super frame comprises a pilot pattern which comprises a plurality of pilots and data. The BS and SS both considers the pilot pattern as an identifier of the SS. When there are communications occurred between the BS and the SS, the BS/SS will confirm whether the pilot pattern of the super frame matches the identifier of the SS to reduce interference from other stations in the MIMO network. | 11-05-2009 |
| 20090274112 | Initial Access Channel for Scalable Wireless Mobile Communication Networks - Physical layer structures and access schemes for use in such networks are described and in particular initial access channel (IACH) structures are proposed. A spectrum efficient downlink (DL) IACH design supports different types of User Equipment (UE) capabilities and different system bandwidths. An IACH includes the synchronization channel (SCH) and broadcast-control channel (BCH). A non-uniform SCH for all system bandwidths is provided, as well as scalable bandwidth BCH depending on system bandwidth. An initial access procedure is provided, as well as an access procedure. | 11-05-2009 |
| 20090274113 | Channel Allocation for Burst Transmission to a Diversity of Satellites - A method for allocating transmission channels to devices configured to communicate short data packets to a diversity of non geostationary satellites is disclosed hereby. The method suggests a dynamic cellular partitioning of the earth surface, based on the smallest intersections of overlapping satellite service areas (“footprints”), defined as mega-cells, and reusing channels in different mega-cells. In addition, a transmission cycle is defined and divided to time slots, synchronized at each device by GPS timing signals, and mega-cells served by more satellites are allocated with fewer time slots, in order to increase the chance of transmitters placed in mega-cells served by fewer satellites to be detected. Further, each mega-cell is divided to cells, and different channels and time slots are allocated to each cell, from those allocated to the corresponding mega-cell. Consequently, collision of transmissions from different mega-cells is reduced, and collision of transmissions from different cells in a mega-cell is avoided. | 11-05-2009 |
| 20090274114 | METHOD FOR UPDATING DNS ADDRESS IN MOBILE IP TERMINAL - The present invention relates to a method for updating a domain name server (DNS) address by obtaining the DNS address when an IP address is allocated by using a mobile IP address in a mobile terminal using the portable internet based on a wireless mobile network. In the method at least one DNS address connected to the wireless mobile network is sampled (S | 11-05-2009 |
| 20090274115 | WLAN Roaming and Selection Using Managed WLAN Handover Process - This patent application discloses a “netsurfing” method for a terminal system A | 11-05-2009 |
| 20090274116 | METHOD AND SYSTEM FOR DETECTING POSITION OF MOBILE COMMUNICATION TERMINAL BY USING PILOT STRENGTH MEASUREMENT MESSAGE - There is provided a system for detecting a location of a mobile station (MS) by using a pilot strength measurement message (PSMM) in a mobile communication system providing a location-based service in a mobile communication network, comprising: a position determination entity (PDE) for detecting the location of the mobile station, collecting PSMM information from the mobile station, the location detection of which is required, and obtaining the location of the mobile station by using collected PSMM information. | 11-05-2009 |
| 20090274117 | Handover Method in Mobile Phone Network - The invention provides for a handover method for use in relation to a mobile radio communications device arranged for communication with an access service gateway by way of an eNodeB arrangement and comprising the steps of, subsequent to the receipt of a handover request at the mobile radio communications device from a eNodeB, delivering a handover indication message to the access service gateway and prior to completion of the handover, the handover indication serving to prevent transmission of downlink data from the access service gateway and at least until further eNodeB messaging is received, and the invention also providing for a related mobile radio communication network arrangement and a eNodeB arrangement. | 11-05-2009 |
| 20090274118 | METHOD FOR PREVENTING PIN-PONG HANDOVER EFFECT IN MOBILE WIMAX NETWORKS - To prevent a handover ping-pong effect between base-station in WiMAX-compliant networks, a priority level is firstly assigned to the trigger causes for handover, and the prioritized causes are coded. Then codes are subdivided into a first class of unrestricted handovers and a second class of handover subjected to restriction. The first class includes the highest priority handovers. The second class includes a given subset of handovers with a high or normal priority intended for optimizing resources. Outside this subset the second class also includes handovers for power budget having a normal priority level. When an outgoing handover is decided, the actual serving BS either permits or selectively suppresses the Handover Request to the target BS when the latter is corresponding to the preceding serving BS for that mobile. The selection mechanism operates on the second class of restricted handovers, during a penalty time triggered by the occurrence of handover causes included in the given subset of the second class. | 11-05-2009 |
| 20090274119 | METHODS AND APPARATUS FOR RF HANDOFF IN A MULTI-FREQUENCY NETWORK - Methods and apparatus for RF handoff in a multi-frequency network. A method includes detecting a mobility event associated with a detection of a new wide area operating infrastructure (WOI), updating a current WOI identifier to a new WOI identifier, acquiring control channel information associated with the new WOI identifier, determining if an active registered flow list has been updated based on the control channel information, and performing an acquisition procedure to acquire one or more registered flows if it is determined that the active registered flow list has been updated. Another method includes detecting a mobility event associated with a detection of a new local area operating infrastructure (LOI), updating a current LOI identifier to a new LOI identifier, acquiring control channel information, determining if an active registered flow list has been updated, and performing an acquisition procedure to acquire one or more registered flows. | 11-05-2009 |
| 20090274120 | SYSTEM AND METHOD FOR MULTICARRIER UPLINK CONTROL - An uplink control method for use in a communication system based on multiple carriers. The method includes allocating different types of random access channels for different types of uplink operations. | 11-05-2009 |
| 20090274121 | METHOD AND SYSTEM FOR RADIO ACCESS TECHNOLOGY MONITORING IN A WIRELESS COMMUNICATIONS SYSTEM - A method and apparatus are provided for radio access technology (RAT) monitoring, in a wireless system environment having wireless communications equipment and at least two different RATs that coexist for providing to the equipment access to one or more communications networks. The equipment has at least two subsystems, each adapted for establishing and maintaining an active communications connection with a certain one of the different RATs. The equipment selects at least a first RAT, among all the RATs available in a certain geographical area, for establishing the active communications connection, according to a monitored characteristic of the first RAT. The method includes scanning a characteristic of a second RAT available for communication in the geographical area while the equipment maintains an active communications connection with the first RAT, and performing the scanning step when the equipment does not transmit signals through the active communications connection maintained with the first RAT. | 11-05-2009 |
| 20090274122 | COMMUNICATION SYSTEM, MOBILITY MANAGEMENT NETWORK ELEMENT AND METHOD FOR PROCESSING RESOURCE - A method for processing resource, a communication system, and a mobility management network element are provided. The method includes: receiving, by a mobility management network element in a packet switched (PS) network, a Release Request message sent by an access network of the PS network or a Handoff Complete message sent by a circuit switched (CS) network when a user equipment (UE) is handed over from the PS network to the CS network; and processing, by the mobility management network element of the PS network, resources of the UE in the PS network. Thus, the processing of resources of the UE in the PS network is achieved when the UE is handed over from the PS network to the CS network. A communication system and a mobility management network element are also provided. | 11-05-2009 |
| 20090274123 | METHOD OF CELL MEASUREMENT BASED ON CELL RESELECTION AND MEASURED REPORT IN UMTS CELLULAR SYSTEM - A cell measurement method used in a mobile station camping on a serving cell is provided, wherein the serving cell sends system information of neighbor cells to the mobile station. A first set of the neighbor cells is determined based on a measurement rule for cell reselection. A second set of the neighbor cells is determined based on a report request for radio link establishment. A subset is chosen from the second set. Finally, the neighbor cells of a union of the first set and the subset are measured. | 11-05-2009 |
| 20090274124 | PACKET SCHEDULING METHOD, BASE STATION, AND MOBILE STATION IN MOBILE COMMUNICATION SYSTEM - A downlink packet scheduling method is disclosed for a shared channel or a common channel in a mobile communication system between a base station and a mobile station, the method including a step in which the base station determines whether there is a waiting packet to be transmitted to the mobile station other than a current transmission packet; a step in which when it is determined that there is no waiting packet to be transmitted, the base station sets a stop period “t” in which packet transmission is temporarily stopped after the current packet transmission; a step in which the base station transmits information indicating the stop period “t” through a schedule information channel transmitting schedule information of downlink packets; and a step in which the base station stops the packet transmission to the mobile station during the stop period “t” after the current packet transmission. | 11-05-2009 |
| 20090274125 | METHOD AND SYSTEM FOR ORGANIZING THE CELLS OF A WIRELESS COMMUNICATION SYSTEM AND ALLOCATING RESOURCES TO PROVIDE MULTIMEDIA BROADCAST SERVICES - A system and method for configuring the system for configuring a wireless multi-cell communication to provide multimedia broadcast services (MBMS) to a plurality of wireless transmit/receive units (WTRUs). The cells of the communication system are organized into a plurality of sets of one or more cells. Resource units are assigned to each set of cells in the communication system. The assigned resource units are allocated in each cell of the communication system for MBMS transmission. The WTRUs receive information indicating how to access the resource units allocated for MBMS transmission. The WTRUs receive the MBMS from one or more of the cells of the communication system. | 11-05-2009 |
| 20090274126 | Mobile Station, Mobile Communication System, And Transmission Timing Control Method In Mobile Station - A mobile station, a mobile communication system comprising the mobile station and a base transceiver station, and a transmission timing control method in a mobile station, controlling a transmission timing of transmission data sent to the base transceiver station so as to cancel a difference between a first elapsed time comprising a difference between a transmission timing of first data transmitted from the base transceiver station ( | 11-05-2009 |
| 20090274127 | METHOD FOR DETERMINING SUPERFRAME FOR BEACON SCHEDULING - Provided is a method for determining superframe to efficiently perform beacon scheduling by allocating superframe lengths which are different according to a routing depth of sensor nodes in a ZigBee based wireless sensor network. The method for determining a superframe for beacon scheduling, includes the steps of: receiving a beacon from a neighboring node and grasping information on a superframe used by the neighboring nodes; and determining a transmission time and a length of own superframe based on superframe information of the grasped neighboring node. | 11-05-2009 |
| 20090274128 | WIRELESS NETWORK SYSTEM - A radio device, which is the source, transmits a route request packet (RREQ) to a radio device. In response to the route request packet (RREQ), the radio device transmits to the radio device a route setup packet (RSET) including a route Radio Device Radio Device Radio Device Radio Device by looking-up topology information (TPIF). In response to the route setup packet (RSET), the radio device produces a route notification packet (RNTF) and transmits the produced route notification packet (RNTF) to radio devices, and. In response to the route notification packet (RNTF), the radio device, which is the destination, produces a route reply packet (RREP) and transmits the produced route reply packet (RREP) to the radio device, which is the source. | 11-05-2009 |
| 20090274129 | DISTRIBUTED LOAD BALANCING IN WIRELESS NETWORKS - Distributed load balancing in wireless digital networks. In a network having a plurality of access nodes with at least one wireless client connected to a first access node, the client is encouraged to move to a different access node by reducing the apparent signal strength of transmissions from the access node to the client. Apparent signal strength can be reduced by reducing transmit power, by using beam forming, antenna switching, or a combination. Other access nodes may send unsolicited frames, such as probe response frames to the client, encouraging the client to move. | 11-05-2009 |
| 20090274130 | Wireless network communication apparatus, methods, and integrated antenna structures - Wireless mesh network communication apparatus and methods are disclosed. Directional antennas are respectively operatively coupled to dedicated communication devices to provide multiple independent wireless communication links. Exchange of communication traffic through the wireless communication links provided by the communication devices and the antennas is controlled by a switch. Any or all of the antennas may be adjustable so as to provide for flexibility in antenna beam alignment. Beam alignment may be physically or electronically adjustable. Radio units including the communication devices and the antennas, and possibly also the switch, may be enclosed in a single housing. The housing may be shared with other components such as wireless communication network base station antennas. | 11-05-2009 |
| 20090274131 | METHOD AND SYSTEM FOR DYNAMIC DISTRIBUTION OF TRAFFIC IN CHANNEL BONDING WIRELESS LOCAL AREA NETWORK(LAN) SYSTEMS - A method and apparatus for dynamically distributing traffic in a channel bonding wireless local area network (LAN) system. The method includes extracting information regarding a flow from an arrived packet and classifying the packet in the unit of the flow based on the extracted flow information; monitoring the state of each of bonded channels; and allocating the flow sorted in the extracting to the optimum channel by referring to information regarding the channel state monitored in the monitoring. | 11-05-2009 |
| 20090274132 | ACCESS POINT USED IN WIRELESS LAN SYSTEM - The access point used in the wireless LAN system acquires, from a network, an IP address of a management device that holds a list of wireless LAN control devices to each of which the access point can be subordinate, in response to an event start input, acquires the list from the management device via the network by using the IP address of the management device, and accesses at least one of the wireless LAN control devices registered in the list via the network and determines a wireless LAN control device to which the access point should be subordinate, based on a response sent from the at least one of the wireless LAN control devices. | 11-05-2009 |
| 20090274133 | COMMUNICATION APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM THEREOF - A communication apparatus that can perform communication with an external apparatus by switching between a plurality of communication methods, the communication apparatus comprises: a detection unit that detects a change in a position and/or orientation of the communication apparatus; and a switching unit that switches a communication method for use in accordance with a detection result by the detection unit. | 11-05-2009 |
| 20090274134 | METHOD AND APPARATUS FOR WIRELESS COMMUNICATION - A communication network includes a plurality of network interface devices each covering a respective one of a plurality of cells. Each of the plurality of network interface devices communicates with communication entities in the respective cell using radio frames of the respective cell. The radio frames of a first one of the plurality of cells are shifted in time with respect to the radio frames of a second one of the plurality of cells. | 11-05-2009 |
| 20090274135 | DIRECT LINK SETUP METHOD IN TUNNELED DIRECT LINK SETUP WIRELESS NETWORK AND STATION SUPPORTING THE METHOD - Provided are a Tunneled Direct Link Setup (TDLS) establishment method for a TDLS initiator and a station supporting the establishment method. In the establishment method, a requesting Non-AP QSTA transmits a TDLS setup request frame via an access point(AP) to an intended peer Non-AP QSTA. And, the requesting Non-AP QSTA receives a TDLS setup response frame via the AP from the intended peer station in response to the TDLS setup request frame. And, the requesting Non-AP QSTA transmits a TDLS setup confirm frame via the AP to the intended peer station in response to the TDLS setup response frame. | 11-05-2009 |
| 20090274136 | Automatic Partitioning of Wireless Access Points Into Overlay and Underlay Networks - Methods, apparatuses and systems directed to partitioning access points into two or more network access layers, such as overlay and underlay network access layers. According to one implementation of the present invention, a wireless network management system partitions a set of wireless access points into an overlay network for low-functionality clients and an underlay network for high-functionality clients. As described in further detail below, each of the overlay and underlay networks provides a class of network service, where each class of network service differs relative to at least one attribute (e.g., type of 802.11 access, data rates, High-Density, Quality-of-Service, encryption, compression, etc.). For didactic purposes, the overlay network is also referred to as the overlay network service layer (NSL) and the underlay network is referred to as the underlay NSL. In one implementation of the present invention, a partitioning algorithm is used to partition wireless access points into overlay and underlay networks. As described in further detail below, the partitioning algorithm, in one implementation, automatically assigns access points to the overlay and underlay networks based on the coverage needs of each network and the coverage parameters of each access point. In one implementation, the partitioning algorithm can be configured such that the overlay network provides maximum coverage for low-functionality clients, and the underlay network enables maximum performance for high-functionality clients. | 11-05-2009 |
| 20090274137 | Method And System For Establishing A System Time Within A Mobile Ad Hoc Network - A mobile ad hoc network, a mobile ad hoc network node and a method for establishing a system time within a mobile ad hoc network are provided. The network nodes may include a global positioning system (GPS) receiver for receiving GPS signals and for providing a GPS time derived from the GPS signals. The GPS time may be employed by the network node as the system time. Even though the network nodes of a mobile ad hoc network independently determine the GPS time and, in turn, the system time, the system time will be common for each of the network nodes. Mobile ad hoc network nodes may therefore join and leave the mobile ad hoc network with each network node being able to determine the system time prior to its joinder based upon the GPS time provided by the respective GPS receiver. | 11-05-2009 |
| 20090274138 | METHOD FOR TRANSMITTING DATA AND A DEVICE HAVING DATA TRANSMISSION CAPABILITIES - A method for transmitting data, the method includes scanning at least a first memory unit to retrieve data segments associated with multiple TDM channels, in response to a definition of multiple TDM time frames, each TDM time frame includes multiple time slots; sending the retrieved data segments to an array of line shifters; multiplexing data segments provided from the array of line shifters, in response to the definition, such as to provide in a parallel manner multiple data segments to multiple TDM lines; and transmitting a group of time division multiples data frames over a group of TDM lines | 11-05-2009 |
| 20090274139 | PRE-EMPTIVE ACKNOWLEDGEMENT FOR DATA TRANSMISSION IN A COMMUNICATION SYSTEM - Techniques for sending acknowledgement (ACK) information for data transmission are described. In one design, a receiver receives a transmission of data, processes the received transmission to decode the data, and generates ACK information for the data prior to decoding all of the data. The receiver may generate the ACK information based on decoding results for a portion of the data and/or received signal quality of the received transmission. The receiver may send the ACK information at a designated ACK transmission time prior to completing decoding for all of the data. The receiver may receive a transmission of multiple (K) packets and may generate ACK information for these K packets after decoding L packets, where 1≦L| 11-05-2009 | |
| 20090274140 | EFFICIENT CHANNEL ARCHITECTURES FOR MULTI-CHANNEL MAC PROTOCOLS IN WIRELESS AD HOC NETWORKS - The system ( | 11-05-2009 |
| 20090274141 | IP TELEPHONE SYSTEM AND IP TELEPHONE METHOD - There are provided an IP telephone system and method for establishing a connection to the IP network | 11-05-2009 |
| 20090274142 | Device and Method for the Recognition of Call Numbers for Voice-Over-Ip Telephony - Call numbers are recognized in order to establish a connection from a lie-switched network to a packet-switched network. In one aspect, a device comprises a unit for detecting a selected string of digits as a selected call number, a unit for storing a plurality of authorized call numbers, a comparator unit for comparing the selected all number to the plurality of stored call numbers, and a unit for converting the selected call number into an associated IP address as soon as the comparator unit detest that the selected call number matches one of the stored all numbers. | 11-05-2009 |
| 20090274143 | State Machine Profiling for Voice Over IP Calls - An apparatus and method for detecting potentially-improper call behavior (e.g., SPIT, etc.) are disclosed. The illustrative embodiment of the present invention is based on finite-state machines (FSMs) that represent the legal states and state transitions of a communications protocol at a node during a Voice over Internet Protocol (VoIP) call. In accordance with the illustrative embodiment, a library of FSM execution profiles associated with improper call behavior is maintained. When there is a match between the behavior of a finite-state machine during a call and an execution profile in the library, an alert is generated. | 11-05-2009 |
| 20090274144 | Multi-Node and Multi-Call State Machine Profiling for Detecting SPIT - An apparatus and method for detecting potentially-improper call behavior (e.g., SPIT, etc.) are disclosed. The illustrative embodiment of the present invention is based on finite-state machines (FSMs) that represent the legal states and state transitions of communications protocols at nodes during Voice over Internet Protocol (VoIP) calls. In accordance with the illustrative embodiment, a library of FSM execution profiles associated with improper call behavior and a set of rules (or rule base) associated with improper FSM behavior over one or more calls are maintained. When the behavior of one or more finite-state machines during one or more calls matches either an execution profile in the library or a rule in the rule base, an alert is generated. | 11-05-2009 |
| 20090274145 | Methods, Systems, and Products for Emergency Communications - Methods, systems, and products are disclosed for processing emergency communications. A database of addresses is queried to determine if a communications address is an emergency communications address. When the communications address is the emergency communications address, then a location coordinate is retrieved and mapped to a location of an emergency services provider. | 11-05-2009 |
| 20090274146 | METHOD, SYSTEM AND DEVICE FOR IMPLEMENTING NETWORK ADDRESS TRANSLATION TRAVERSAL - A method for implementing NAT traversal is disclosed herein. The first MGW and the ICE mechanism supporting device obtain the local candidate information and the candidate information of the peer end; the first MGW and the ICE mechanism supporting device perform connectivity check according to the candidate information; and the first MGW and the ICE mechanism supporting device transmit media streams according to the result of the connectivity check. A system and a device for implementing NAT traversal are also disclosed. The method, the system and the device under the present disclosure improve stability of transmitting media streams in a network inclusive of an MGC and an MGW (for example, an NGN). | 11-05-2009 |
| 20090274147 | ELECTRONIC LOOP PROVISIONING - The present invention is directed to a local network access architecture and method of providing local services that advantageously replaces portions of the physical hardwired local loop with a path that is software-defined. In one embodiment the system comprises a remote terminal comprising a packet processor that converts an analog signal carried on a customer loop into digital packets and a packet node connected to the remote terminal configured to selectively forward the digital packets based on an identifier in the digital packets to equipment of one of a plurality of local exchange carriers, wherein said plurality of local exchange carriers are different companies and each one of said plurality of local exchange carriers provides at least one different service subscribed to by a subscriber. | 11-05-2009 |
| 20090274148 | EFFICIENT PATH SETUP IN A PROVIDER BACKBONE BRIDGE NETWORK - In a provider backbone-traffic engineering network, a method and a bridge node are provided for setting up path between edge bridges connected to customer premises. A first edge bridge advertises towards peer edge bridges a tuple comprising a port identity and a layer two address. When it needs to set up a path towards the first edge bridge, one of the peer edge bridges uses information in the tuple to compute a path label. | 11-05-2009 |
| 20090274149 | Redundant Media Packet Streams - This invention concerns the transmitting and receiving of digital media packets, such as audio and video channels and lighting instructions. In particular, the invention concerns the transmitting and receiving of redundant media packet streams. Samples are extracted ( | 11-05-2009 |
| 20090274150 | MECHANISMS FOR PROVIDING INTELLIGENT THROTTLING ON A NAT SESSION BORDER CONTROLLER - Disclosed are apparatus and methods for managing session data in a session border controller (SBC), where the session data is sent from a first node, such as a first phone, to a second node, such as a registrar or second phone. In one example embodiment, the following operations are performed in a first intermediary node that is configured to provide network address translation (NAT) for both a header and payload of a session packet and has an inside interface coupled with a second intermediary node that is configured to perform NAT for only a header of session packets. It is determined whether an end node is sending session packets that are not used to set up a session and that result in a binding that was formed by the second intermediary node being retained. The binding associates inside and outside addresses of the end node, and an end node is defined as a node that originates a session packet. It is determined whether to inhibit a registration throttling process from being performed by the first intermediary node, that results in the binding being retained, based on whether it is determined that the end node is sending session packets that are not used to set up a session and that result in the binding being retained. | 11-05-2009 |
| 20090274151 | BROADCAST-CONTENT TRANSMISSION APPARATUS, AND BROADCAST-CONTENT TRANSMISSION METHOD - A transmitting side ( | 11-05-2009 |
| 20090274152 | Method And System For Disseminating Time-Sensitive Economic Data To Market Participants - A system and method for disseminating time-sensitive economic information to one or more clients is disclosed. The system includes a computer system and at least one database in communication with the computer system. The database includes a number of XML templates having fields corresponding to one or more economic indicators. The system further includes software executing on the computer system for encoding the XML templates into binary packets, and simultaneously transmitting the binary packets to clients in communication with the computer system via UDP multicast. In some embodiments the system includes software for validating the data entered into the XML templates and for confirming the accuracy of the data included in the binary packet. A method in accordance with the present system is also enclosed. | 11-05-2009 |
| 20090274153 | System and method for implementation of layer 2 redundancy protocols across multiple networks - The system, method, and article of manufacture of the present invention allows multiple customers connected to a common external network to each implement a layer 2 redundancy protocol, such as the spanning tree protocol, in order to prevent layer 2 loops. Accordingly, a method is presented for providing an independent loop free layer 2 topology between a external network and a customer network comprising tagging control packets originating on the customer network with a unique identifier and tunneling the control packets received from the customer network between a plurality of boundary interface devices at the external network such that the control packets are routed back to the customer network based on the presence of the unique identifier in the control packet. The layer 2 redundancy protocol on the customer network converges based at least in part on the presence of control packets appearing on more than one port on the customer network. | 11-05-2009 |
| 20090274154 | Double-hash lookup mechanism for searching addresses in a network device - A hash function is applied to a set of data to generate a hash. A first subset of the hash is used to lookup an entry in a lookup table for a forwarding database. A second subset of the hash is used to identify, within the entry, data comprising an offset. The offset is applied to a location identified in the forwarding database by the first subset of the hash to determine an entry in the forwarding database. Optionally, the lookup mechanism is used in conjunction with one or more other forwarding databases. A method of updating the forwarding database within the double hash lookup framework is also described. | 11-05-2009 |
| 20090274155 | TECHNIQUE FOR PROVIDING INTERCONNECTION BETWEEN COMMUNICATION NETWORKS - Technique for interconnecting a first communication network and a second communication network, for example layer 2 Ethernet networks, which uses a fully or partially redundant dual homing configuration. The configuration includes: at least three network elements where at least two of them are peer elements belonging to the second network, and at least two traffic lines respectively associated with the peer elements and connecting the first and the second networks via the three network elements. The technique comprises establishing a bi-directional signaling between the peer elements and, based on the signaling information, deciding which traffic line should forward the traffic. | 11-05-2009 |
| 20090274156 | CARRIER ETHERNET OVER DOCSIS - A network includes a provider edge device with logic to encapsulate Ethernet frames received from customer equipment into Data Over Cable Service Interface Specification (DOCSIS) frames using Layer Two Tunneling Protocol. The provider edge device further includes logic to implement a virtual switch instance (VSI). | 11-05-2009 |
| 20090274157 | METHOD AND APPARATUS FOR HIERARCHICAL ROUTING IN MULTIPROCESSOR MESH-BASED SYSTEMS - A method and apparatus for hierarchical routing in mesh systems. The method may include splitting | 11-05-2009 |
| 20090274158 | Efficient Broadcast of Data in a Communication Network - A system (and a method) are disclosed for reliably disseminating a state of a node in a large network consisting of nodes with constrained resources. The system comprises a process embodied by a state machine comprised of an advertise state, a request state, and a share state. The system processes input events, mutates its internal state, and outputs side effects. The outputs from one node in the network may become inputs events to one or more other nodes in the network. Viral dissemination is an emergent behavior across the nodes in a network that all independently and continuously perform these input processings, state mutations, and output side effects. | 11-05-2009 |
| 20090274159 | METHOD AND APPARATUS FOR ADVERTISING BORDER CONNECTION INFORMATION OF AUTONOMOUS SYSTEM - A method and an apparatus for advertising border connection information of autonomous system are disclosed. Moreover, the method includes: establishing and maintaining, by a border node of the autonomous system, the border connection information of the autonomous system; flooding the border connection information within the autonomous system; and receiving, by nodes of the autonomous system, the border connection information. The method and the apparatus for advertising border connection information of autonomous system of embodiments of the present invention may adapt to dynamic change of network topology, and dynamically advertise the border connection information of the autonomous system within the system in time, so as to optimize networks and improve quality of service of the networks. | 11-05-2009 |
| 20090274160 | Tree-shaped broadcasting system, packet transmitting method, node device, and computer-readable medium - A lost packet in a plurality of packets broadcasted from a broadcasting apparatus is detected. Packet complement request information indicative of a packet complement request for complementing the lost packet is transmitted to a device in a high hierarchical level, and a dummy packet for holding transmission of the packet complement request information for a predetermined hold time is transmitted in place of the lost packet to a node device connected in a low hierarchical level. | 11-05-2009 |
| 20090274161 | NETWORK ROUTING METHOD AND SYSTEM UTILIZING LABEL-SWITCHING TRAFFIC ENGINEERING QUEUES - The present invention is directed to a scalable packet-switched network routing method and system that utilizes modified traffic engineering mechanisms to prioritize tunnel traffic and non-tunnel traffic. The method includes the steps of receiving a request to establish a traffic engineering tunnel across the packet-switched network. Then at a router traversed by the traffic engineering tunnel, a queue for packets carried inside the traffic engineering tunnel is created. Subsequently, bandwidth for the queue is reserved in accordance with the request to establish the traffic engineering tunnel, wherein the queue created for packets carried inside the traffic the traffic engineering tunnel is given priority over other traffic at the router and the reserved bandwidth for the queue can only be used by packets carried inside the traffic engineering tunnel. | 11-05-2009 |
| 20090274162 | PORT EXPANDER FOR FIBRE CHANNEL FABRICS IN STORAGE AREA NETWORKS - An port expander Fibre Channel switch presents F_ports to form a first Fibre Channel fabric and N_ports to a second Fibre Channel fabric to appear as node devices. The port expander may be used to connect a plurality of blade servers to a Fibre Channel fabric. Fabric events engendered by the insertion or removal of hot-pluggable devices are handled by the port expander and “event storms” on the Fibre Channel fabric are avoided. The port expander presents the blade servers to the FC fabric as a virtualized N_port. | 11-05-2009 |
| 20090274163 | METHOD, SYSTEM, AND APPARATUS FOR CONTROLLING MULTICAST BEARER RESOURCES - A method, a system, and an apparatus for controlling multicast bearer resources are disclosed. The method includes: a network entity in the RACS receives a request of controlling a multicast bearer resource and controls the multicast bearer resource according to the request. The method, the system and the apparatus disclosed herein can control the multicast bearer resource in the NGN. | 11-05-2009 |
| 20090274164 | RANDOM PHASE MULTIPLE ACCESS COMMUNICATION INTERFACE SYSTEM AND METHOD - A method for communicating through a multiple access communication interface includes receiving a first signal from a first tag, where the first signal is spread using a predetermined pseudo-noise (PN) code, and further where the first signal includes first payload data. A second signal is received from a second tag. The second signal is spread using the predetermined PN code, and the second signal includes second payload data. The first payload data from the first signal is identified at least in part with a PN array despreader. The second payload data from the second signal is also identified at least in part with the PN array despreader. | 11-05-2009 |
| 20090274165 | Aggregated Resource Reservation for Data Flows - A network node for reserving resources for data flows in a communication network. The node detects a request for resource reservation for a new data flow and computes an admission test count based on descriptors of the new data flow and reservation counts, which represent reservation functions of descriptors of previously admitted data flows and which specify resources of the admitted data flows. The new data flow is admitted if the admission test count is smaller than a maximum allowable count. The reservation counts are then updated based on the descriptors of the new data flow. A plurality of admission formulas may thus be used to maintain aggregated reservation counts for data flows, the number of counts being independent from the number of flows. | 11-05-2009 |
| 20090274166 | Bandwidth Reservation in a TDMA-based Network - A method of bandwidth reservation in a TDMA-based network comprising a plurality of media access slots, wherein a plurality of transmitter-receiver pairs in the network may reserve the same media access slot. | 11-05-2009 |
| 20090274167 | COMMUNICATION TERMINAL APPARATUS AND TRANSMITTING METHOD - A communication terminal apparatus capable of suppressing communication delay independently of the packet size, efficiently performing communication, and further solving the problem of hidden terminals. In this apparatus, a number-of-STAs holding part ( | 11-05-2009 |
| 20090274168 | METHOD FOR TRANSMITTING DATA FROM MULTIPLE CLOCK DOMAINS AND A DEVICE HAVING DATA TRANSMISSION CAPABILITIES - A method that includes defining a transmission schedule of a TDM data frame that includes multiple TDM time slots allocated for transmitting data over a TDM line; the method is characterized by including: providing a transmission clock signal having a transmission clock frequency to the TDM line, providing a first clock signal having a first clock frequency to data sources that belong to a first group of data sources and providing a second clock signal having a second clock frequency to data sources that belong to a second group of data sources; wherein the first clock frequency and the second clock frequency are higher than the transmission clock frequency; pre-fetching, to a first intermediate storage a data segment from a data source out of the first group of data sources in response to a fullness level of the first intermediate storage unit and to the transmission schedule; pre-fetching, to a second intermediate storage a data segment from a data source out of the second group of data sources in response to a fullness level of the first intermediate storage unit and to the transmission schedule; providing, in response to the transmission schedule, a stabilized data segment from the first or the second intermediate storage units to a transmission storage unit and transmitting the data segment from the transmission storage unit over the TDM line. | 11-05-2009 |
| 20090274169 | DYNAMIC LINK DISTANCE CONFIGURATION FOR EXTENDED FABRIC - A method to dynamically allocate credits for a particular port to port link based on measured link distance during the initial interswitch link configuration process. An apparatus implementing such method or a software upgrade to retrofit existing switches. | 11-05-2009 |
| 20090274170 | Adaptation Apparatus and Adaptation Method for Ethernet Signal Transmission - The present invention provides an adaptation apparatus for Ethernet signal transmission, including: a differential/single-ended conversion unit, set between the coaxial cable network and the Ethernet physical layer chip, adapted to convert a to-be-transmitted signal of the Ethernet physical layer chip from differential signal into single-ended signal; a non-collinear/collinear conversion unit, set between the coaxial cable network and the Ethernet physical layer chip, adapted to convert the to-be-transmitted signal from non-collinear signal into collinear signal; and transmitting means for transmitting the converted to-be-transmitted signal to the coaxial cable network. The present invention also provides an adaptation method for Ethernet signal transmission. Through the present invention, communications between an Ethernet access point and coaxial cable terminals and communications between the coaxial cable terminals are enabled so that Ethernet signals can be transmitted in coaxial cable networks. | 11-05-2009 |
| 20090274171 | SYSTEM AND METHOD FOR DATA SIZE ADAPTATION IN A UE - A method is described for adapting the size of data for a future Transmission Time Interval (TTI) by a User Equipment (UE), wherein all the Media Access Control (MAC)-d flows are grouped and stored in different lists based on a type of grants associated with the MAC-d flows, ability of a MAC-d flow to be multiplexed with another MAC-d flow from a list, and data availability in a logical channel mapped onto a MAC-d flow in the current TTI. The E-TFC is then selected by the UE for the future TTI using the MAC-d flow having the highest power offset in a consolidated list including the grouped MAC-d flows. The size of the data is thereby adapted using the selected E-TFC. Further disclosed is a method for generating RLC PDUs by the UE for the future TTI using the variation in the scheduled grant for the UE and the size of the data adapted for the future TTI. | 11-05-2009 |
| 20090274172 | METHOD AND APPARATUS FOR DISTRIBUTING AND RECEIVING HIGH-SPEED ETHERNET MEDIA INDEPENDENT INTERFACE BLOCKS - A method and apparatus for distributing and receiving high-speed Ethernet Media Independent Interface (MII) blocks are provided to moderate the increase of control lines with the increase of the bit width and to simplify the block types in the coding process of the Physical Coding Sublayer (PCS). The technical solution disclosed herein includes: processing received Media Access Control (MAC) layer data, and adjusting distribution of control characters to generate a 64-bit block; obtaining a control signal code of the 64-bit block according to the relation between the form of the 64-bit block and the control signal code; and binding each 64-bit block to the corresponding control signal code respectively, and sending bound data over a separate channel. | 11-05-2009 |
| 20090274173 | APPARATUS AND METHODS FOR TRANSMITTING DATA OVER A WIRELESS MESH NETWORK - Methods and apparatus for transmitting data over a wireless mesh network include generating a first mesh header having a plurality of fields, and extending the first mesh header by prepending a protocol header to generate a second mesh header. The second mesh header may be inserted into a protocol data unit for transmitting the protocol data unit via the mesh network. | 11-05-2009 |
| 20090274174 | METHOD OF GENERATING PILOT PATTERN FOR ADAPTIVE CHANNEL ESTIMATION IN OFDMA SYSTEMS, METHOD OF TRANSMITTING/RECEIVING USING THE PILOT PATTERN AND APPARATUS THEREOF - Provided is a method of generating a pilot pattern capable of perform adaptive channel estimation, and a method and apparatus of a base station and a method and apparatus of a terminal using the pilot pattern. The pilot pattern selects pilot symbol positions based on distances from pilots of previous orthogonal frequency division multiple access (OFDMA) symbols to a subcarrier position of a current OFDMA symbol in the frequency domain and the time domain, so that a low pilot density is maintained so as to effectively transmit data, and stable channel estimation performance can be obtained even in a bad channel environment. In addition, the minimum burst allocation size is determined according to the channel environment between the base station and the terminal, guaranteeing channel estimation performance suitable for the channel environment, and improving granularity, channel estimation latency, and channel estimation memory size. | 11-05-2009 |
| 20090274175 | FIBER LASER - This fiber laser is provided with: a signal light source that outputs a signal light; a rare earth-doped fiber that amplifies and outputs the signal light from the signal light source; a Raman amplifying fiber that is routed as a portion of an optical transmission path in order to output the output light from the rare earth-doped fiber to an outside thereof; and a wavelength selecting element that is provided in the optical transmission path from the Raman amplifying fiber to the signal light source and does not allow transmission of a Stokes light that is generated in the Raman amplifying fiber. | 11-05-2009 |
| 20090274176 | COMPACT, THERMALLY STABLE MULTI-LASER ENGINE - Various embodiments of a multi-laser system are disclosed. In some embodiments, the multi-laser system includes a plurality of lasers, a plurality of laser beams, a beam positioning system, beam focusing optics, a thermally stable enclosure and a temperature controller. The thermally stable enclosure is configured to thermally and mechanically couple to a flow cell. The thermally stable enclosure substantially comprises a material with high thermal conductivity. The thermally stable enclosure can have a relatively small volume. | 11-05-2009 |
| 20090274177 | TURNABLE LASER DEVICE - A laser apparatus includes a first surface-emitting laser device having an active region including at least one group of two or more quantum wells configured to generate photons and having an internal mirror configured to reflect the generated photons, and first and second opposing end cavity mirrors optically coupled to each other via the internal mirror of the first surface-emitting laser device and arranged to reflect the photons generated by the first surface-emitting laser device back to the first surface-emitting laser device to form a standing wave having a single antinode coincident with said at least one group of two or more quantum wells. | 11-05-2009 |
| 20090274178 | Optical Package Having Deformable Mirrors For Focus Compensation - An optical package includes a semiconductor laser, an adjustable mirror and a wavelength conversion device comprising a waveguide portion. The semiconductor laser, adjustable mirror, and wavelength conversion device are oriented to form an optical pathway between an output of the semiconductor laser and an input of the wavelength conversion device. The beam of the semiconductor laser is directed along the optical pathway and onto the adjustable mirror where the beam is reflected by the adjustable mirror onto the waveguide portion of the wavelength conversion device. The adjustable mirror may also be either thermally or mechanically deformable such that, when the adjustable mirror is deformed, the path of the beam along the optical pathway is altered thereby focusing the beam on the waveguide portion of the wavelength conversion device. The adjustable mirror may be adjusted such that the beam of the semiconductor laser is positioned on the waveguide portion of the wavelength conversion device. | 11-05-2009 |
| 20090274179 | Dual Diode Converging Module - An improved, dual diode convergence module which focuses the light energy of at least two separate diode chip laser wavelengths of into a single beam and, thus, which derives the benefit of both wavelengths. | 11-05-2009 |
| 20090274180 | All-fiber module for femtosecond pulse compression and supercontinuum generation - An all-fiber optical pulse compression arrangement comprises a concatenated arrangement of a section of input fiber (e.g., a single mode fiber), a graded-index (GRIN) fiber lens and a section of pulse-compressing fiber (e.g., LMA fiber). The GRIN fiber lens is used to provide mode matching between the input fiber (supporting the propagation of chirped optical pulses) and the pulse-compressing fiber, with efficient pulse compression occurring along the length of the LMA fiber. The dispersion and length of the LMA fiber section are selected to provide the desired degree of pulse compression; for example, capable of reconstituting a femtosecond pulse as is used in supercontinuum generation systems. | 11-05-2009 |
| 20090274181 | Solid-state laser apparatus - A high gain solid-state laser apparatus capable of generating short-pulse terahertz waves with high efficiency is provided. The apparatus includes laser gain media | 11-05-2009 |
| 20090274182 | LIGHT SOURCE, LIGHT SOURCE DEVICE, LASER IMAGE FORMING DEVICE AND INTEGRATED CIRCUIT - The light sources ( | 11-05-2009 |
| 20090274183 | OPTICAL AMPLIFICATION MODULE AND LASER LIGHT SOURCE APPARATUS - The present invention relates to an optical amplifier module, or the like, having a structure for enabling effective suppression of photodarkening and efficient optical amplification. The optical amplifier module comprises a first optical amplification waveguide which is comprised of a phosphate glass as a main component and includes a ytterbium-doped first optical waveguide region, a second optical amplification waveguide which is optically coupled to the first optical amplification waveguide and includes a ytterbium-doped second optical waveguide region which is co-doped with aluminum, and pumping light source units which supply pumping light respectively to the first optical amplification waveguide and the second optical amplification waveguide. The light to be amplified, having inputted to the first optical amplification waveguide, is amplified only once by means of the pumping light, in each of the first optical amplification waveguide and the second optical amplification waveguide. | 11-05-2009 |
| 20090274184 | OPTICAL UNIT - The present invention provides an optical unit capable of suppressing a thermal influence on the optical element even if a heating source such as a laser driver is disposed near the optical element. A light pickup unit | 11-05-2009 |
| 20090274185 | Laser Drive Amplifier - A laser drive amplifier apparatus includes a device (e.g., Class A amplifier or digital-to-analog converter) driving a laser diode. A programmable switching power supply provides a power supply voltage for the device driving the laser diode. One or more voltages on the device are measured, and the power supply voltage is changed in response thereto. The power supply voltage may be updated for each video line, video frame, or zone in a video display. | 11-05-2009 |
| 20090274186 | SURFACE-EMITTING TYPE SEMICONDUCTOR LASER - A surface-emitting type semiconductor laser includes: a lower mirror; an active layer formed above the lower mirror; an upper mirror formed above the active layer; and a lens section formed above the upper mirror, wherein n | 11-05-2009 |
| 20090274187 | Semiconductor Laser, Module and Optical Transmitter - A semiconductor optical waveguide-A having an optical amplification function and a semiconductor optical waveguide-B having a light control function are integrated together on the same substrate. A facet of the semiconductor optical waveguide-A facing an isolation trench and a facet of the semiconductor optical waveguide-B facing the isolation trench are configured as a composite optical reflector/optical connector using an optical interference. The facet of the semiconductor optical waveguide-A achieves an optical reflectivity not higher than the reflectivity corresponding to a cleaved facet and not smaller than several percent, and an optical coupling coefficient of not lower than 50% between the semiconductor optical waveguide-A and the semiconductor optical waveguide-B. | 11-05-2009 |
| 20090274188 | Light emitting device and fabrication method thereof - Disclosed herein is a light emitting device with improved life characteristics. The light emitting device comprises a circuit board having a recess, a reflection plane and an excitation source disposed in the recess, an overmolding overlying the reflection plane and the excitation source, a surface-inducing film formed on the overmolding, and a light conversion layer overlying the surface-inducing film. Also disclosed herein is a method for fabricating the light emitting device. | 11-05-2009 |
| 20090274189 | SCALABLE THERMALLY EFFICIENT PUMP DIODE SYSTEMS - Scalable, thermally efficient pump diode systems. These systems may include an arrangement of pump diodes and thermally conductive spacers mounted within a single indentation in a substrate or substrate clamps, so as to provide enhanced heat removal from the system. These systems also may include a plurality of such pump diode assemblies mounted, in a symmetric or partially symmetric arrangement, around a lasing medium in a diode pumped laser system, to improve heat removal and/or excitation of the medium. | 11-05-2009 |
| 20090274190 | MELTING FURNACE, IN PARTICULAR ELECTRIC ARC FURNACE - In order to design the accommodation space of the furnace vessel of a melting furnace to be variable, so that it is adaptable to various volumes, which are required for different feedstocks (light scrap, heavy scrap) to achieve the tapping weight intended for the melting furnace, the cylindrical upper vessel part ( | 11-05-2009 |
| 20090274191 | SINGLE BEAM OPTICAL APPARATUS AND METHOD - A single-beam optical apparatus suitable for measuring thermal diffusivity of a sample having a laser source generating a focused laser beam capable of heating a portion of the sample so as to create a thermal bump via thermal dilation, the thermal bump reflecting a reflected portion of the focused laser beam, means for modulating the intensity of the laser beam, an aperture, a sensor positioned relative to the reflected portion of the focused laser beam so as to generate a measured signal from the reflected portion of the focused laser beam that passes through the aperture, and a module for determining at least the parameters of a relationship between a property of the thermal bump and the measured signal. | 11-05-2009 |
| 20090274192 | REPLACEABLE ELECTRONIC CLINICAL THERMOMETER - A replaceable electronic clinical thermometer includes a control portion and a plurality of sensor portions. The control portion and sensor portions are installed with respective connecting units. The control portion has a first connecting unit, a control portion, a display unit and a circuit unit. The circuit unit is electrically connected to the first connecting unit. A sensor unit is installed to one end of the sensor portion, and the other end of the sensor portion is installed to a second connecting unit. The sensor portion is electrically connected to the second connecting unit. The first connecting unit has a plurality of pins which are printed upon a printed circuit board or are metal strings. Each of the pins is exposed and installed to the outer periphery of the first connecting unit. The second connecting unit has a plurality of pins corresponding to the pins of the first connecting unit. | 11-05-2009 |
| 20090274193 | RADIO COMMUNICATION DEVICE AND SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE USED FOR THE SAME - A semiconductor integrated circuit for a radio communication terminal sequentially uses a plurality of frequency channels by instructions from a hopping frequency decision unit to receive packet data by a reception unit. When the integrated circuit cannot detect the head of the packet data in reception operations, the integrated circuit cannot receive packet data should be received originally then assumes that the received packet data is a packet error. And the integrated circuit calculates packet error rates for each frequency channel on the basis of the number of times of reception operations performed for each frequency channel and of the number of times of packet errors to estimate channel qualities by using the packet error rates. | 11-05-2009 |
| 20090274194 | SPREAD-SPECTRUM COMMUNICATION UNIT - A set of spread-spectrum units is capable of operating as a base station or as a remote unit. Each spread-spectrum unit includes a base subunit or a remote subunit, each subunit having a receiver for receiving spread-spectrum signals at a first frequency transmitted from the spread-spectrum units; a signal despreader for despreading the spread-spectrum; a demodulator for demodulating the despread-spread-spectrum signals; a combiner for combining the demodulated signals, and a local signal; a converter for converting the combined signal to a base-data signal; a spread-spectrum circuit for processing the base-data signal; and a transmitter for transmitting at a second frequency the processed base-data signal as a base-spread-spectrum signal. | 11-05-2009 |
| 20090274195 | System and Method for Wireless Communications - System and method for enabling the cohabitation of licensed and unlicensed communications devices. A method comprises at a receiver, receiving transmitted data, demodulating the transmitted data to produce spread symbols, despreading the spread symbols to produce received data, wherein the despreading comprises using an orthogonal sequence selected from a list of orthogonal sequences for use by all transmissions in the wireless network, and processing the received data. | 11-05-2009 |
| 20090274196 | COMMUNICATION RECEIVER WITH HYBRID EQUALIZER - Wireless communication receiver with hybrid equalizer and RAKE receiver. The receiver compares performance of the system for RAKE only and RAKE in combination with equalizer estimates. The receiver enables or disables the equalizer accordingly. | 11-05-2009 |
| 20090274197 | METHOD AND APPARATUS FOR COMPENSATING FOR PHASE NOISE OF SYMBOLS SPREAD WITH A LONG SPREADING CODE - A method and apparatus for compensating for phase noise of symbols spread with a long spreading code are disclosed. To compensate for the phase noise, a phase error estimate is generated from despread symbols with a short spreading code. A phase correcting phasor is applied to chip rate data before despreading the data with a long spreading code. A signal-to-interference ratio (SIR) on a common pilot channel (CPICH) may be calculated by spreading the data with a parent spreading code in an orthogonal variable spreading factor (OVSF) code tree and by combining symbols. Alternatively, a magnitude of the symbols may be used in estimating the SIR. The SIR of a channel using a short spreading code and an SIR of a channel using a long spreading code are measured. The SIR of the channel with the long spreading code may be compensated in accordance with a difference between degradation of the SIRs. | 11-05-2009 |
| 20090274198 | DETERMINATION OF ACTIVE SPREADING CODES AND THEIR POWERS - The present invention relates to a method and a device for detecting active spreading codes for a signal in a communication system and estimating power of the active spreading codes. Further, the present invention ensures efficient interference cancellation. Multiple correlations are performed at a single level of a spreading code tree, the produced output samples are then observed at this level during a defined period, and a decision for the activity and power is met for all existing codes via extracting and processing information from these samples. At the correlation step, unitary fast Walsh Hadamard transformation is performed at practically the highest spreading factor in the system. | 11-05-2009 |
| 20090274199 | Adaptive Modulation Control Apparatus and Wireless Communication Apparatus - [Object] To prevent communication performance capabilities from deteriorating even in the cases that the estimation error of the propagation path is significant, and that the variation speed of the propagation path characteristics is fast. | 11-05-2009 |
| 20090274200 | System and Method for Time Domain Interpolation of Signals for Channel Estimation - A system and method for time domain interpolation of signals for channel estimation. A method for computing channel estimates comprises storing symbols in a buffer, using time domain interpolation (TDI) for a first time to compute channel estimates for a set of sub-carriers of a symbol. The channel estimates are computed from the symbol and a first number of required symbols in the buffer. The method also comprises using TDI for a second time to compute channel estimates for the set of sub-carriers of a symbol. The channel estimates are computed from the symbol, a second number of required symbols in the buffer, and a buffered symbol used as a missing required symbol if the missing required symbol is not in the buffer. | 11-05-2009 |
| 20090274201 | ETHERNET TRANSCEIVER AND ETHERNET TRANSMISSION METHOD BASED ON COAX NETWORK - An Ethernet transceiver and an Ethernet transmission method are disclosed. The transceiver is adapted to detect the level amplitude of a received analog signal, adjust an amplification factor adaptively according to the detecting result to make the level amplitude of the received analog signal which has been amplified reach a same output level amplitude, perform an analog-to-digital conversion and a codec process, and transmit the signal to a MAC layer of the Ethernet. The transceiver is further adapted to amplify the level of a signal to be transmitted to a coax network and output the signal. The amplification factor is determined according to a maximum attenuation loss between coaxial terminals. In the present invention, an interaction between an Ethernet access point and a coaxial terminal and an interaction between coaxial terminals are carried out, which makes the CSMA/CD MAC layer of the Ethernet be adopted in an application environment of radio and television coax network. | 11-05-2009 |
| 20090274202 | SYSTEM PARTITIONING FOR MULTI-MOBILE DEVICES - A communication device partition for multiple device data standards to be received on one baseband integrated circuit is described. At least two interfaces are partitioned according to the data rate speed of various types of data standards and coupled to a multimode SDR modem. A digital baseband processor is coupled to the multimode SDR modem and receives the various types of application data compliant with various data standards. | 11-05-2009 |
