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| Number | Title | Issue Date |
| 8189557 | Secondary synchronization channel design for OFDMA systems Embodiments of the present disclosure provide a transmitter, a receiver and methods of operating a transmitter and a receiver. In one embodiment, the transmitter for use in a base station of an OFDMA system and includes a primary module configured to provide a prima... | 05/29/2012 |
| 8189558 | Method and apparatus for creating common physical channel The present invention relates to a common channel generating method and device in a downlink. Receiving performance by the mobile station is improved by efficiently allocating the resource and generating the common channel in the downlink. Also, transmission diversi... | 05/29/2012 |
| 8184611 | Mobile station assisted timing synchronization in a CDMA communication system In the present invention, the slave base station attains synchronization with the reference base station through messages transmitted from and received by a mobile station either in the soft handoff region between the reference base station and the slave base statio... | 05/22/2012 |
| 8184612 | Method and apparatus for managing hyper frame number for ciphering/deciphering in mobile communication system A method and an apparatus for managing an HFN for ciphering/deciphering at an RNC of a mobile communication system are provided. In the method, a Timing Adjustment (ToA) value is received from a base station, and a Connection Frame Number (CFN) is corrected. Whether... | 05/22/2012 |
| 8179880 | Wireless communication method and wireless communication system A time synchronizing signal for synchronizing the times of wireless nodes capable of wireless communication is transmitted to the wireless nodes by multihop. Optional information is transferred by multihop from a predetermined wireless node to an optional node along... | 05/15/2012 |
| 8179879 | Robust ranging method In a communication system in which data is transferred by packets, a ranging method in which a receiver, in a given ranging window, periodically compares received data with expected data to find a match. The periodic comparison includes searching for known preamble ... | 05/15/2012 |
| 8179878 | Method for performing synchronisation for multicast broadcast services in a wireless access communication network, corresponding multicast broadcast server and base station The present invention relates to a method for performing data synchronization in a wireless access communication network. The method includes data to be synchronized coming from an access network gateway and being sent to at least two base stations, and the data bei... | 05/15/2012 |
| 8175077 | Mapping schemes for secondary synchronization signal scrambling Embodiments of the present disclosure provide a transmitter, a receiver and methods of operating a transmitter and a receiver. In one embodiment, the transmitter includes a synchronization unit configured to provide a primary synchronization signal and a secondary s... | 05/08/2012 |
| 8175076 | Medical device synchronization system for use in cardiac and other patient monitoring A system provides synchronization between different medical signal (e.g., EKG and ICEG signal) acquisition and processing devices. A system synchronizes multiple different patient medical parameter processing devices, using a master clock generator. The master clock... | 05/08/2012 |
| 8169999 | Method and system for preserving content timing across femtocell interfaces via timestamp insertion Aspects of a method and system for preserving content timing across femtocell interfaces via timestamp insertion are provided. In this regard, a femtocell may receive a first time-stamped packet via a first interface and transcode the time-stamped packet. The femtoc... | 05/01/2012 |
| 8169996 | Synchronized beacon for network having multiple radios A network having multiple radios transmits a beacon signal from several radios substantially simultaneously. One embodiment includes a network having a communications backbone that connects several radio transceivers. Another embodiment includes a single station hav... | 05/01/2012 |
| 8169998 | Method and system for an AD HOC wireless network with master control of network parameters Aspects of a system for an ad hoc wireless network with master control of network parameters may include one or more circuits that enable generation of a beacon frame at a supervisory WLAN station wherein the generated beacon frame contains a supervisory role indica... | 05/01/2012 |
| 8170000 | Method and apparatus for automatic frequency correction in a multimode device A method and apparatus for synchronizing a system clock with a serving cell (102) associated with a first radio access technology and monitoring an adjacent cell (104) associated with a second radio access technology is provided. A communication device... | 05/01/2012 |
| 8169997 | Communication system including a base station and terminal devices each using an up-link line allocated by the base station A communication system allocates a discrete line between a base station and each terminal device that allows discrete communication in a time span equivalent to several frames. The communication system includes a base station that has a processing function unit proc... | 05/01/2012 |
| 8170001 | Technique for synchronizing network access modules in a mobile communication device A technique for synchronizing different network access modules in a mobile communication device is provided. A device embodiment (100) comprises a first network access module (102) having a first radio technology, or RAT, interface (114) and bei... | 05/01/2012 |
| 8165106 | Apparatus and method for detecting a ranging signal in a wireless communication system An apparatus for a base station of a wireless communication network includes a detector to detect an access code received from a mobile station in each of a plurality of time durations and to detect a timing offset of the access code detected in each of the pluralit... | 04/24/2012 |
| 8165104 | Methods and systems for enhancing local repair in robust header compression Methods and systems to enhance local repair in robust header compression (ROHC) decompressors (110, 114), which may improve network transmission efficiency and quality. One method uses lower layer information to enhance local repair at the decompressor (11... | 04/24/2012 |
| 8165105 | Apparatus and method for cell searching in wireless communication system An apparatus and method for mapping a cell IDentifier (ID) for cell searching in a transmitter of a wireless communication system are provided. The method includes generating a single type of complex sequences mapped with a cell ID, and transmitting the complex sequ... | 04/24/2012 |
| 8160053 | Method, apparatus and network element for clock tracing A clock tracing method includes: determining a shortest path to each source network element, and selecting a best source network element among all the source network elements; determining a shortest path to the best source network element according to the shortest p... | 04/17/2012 |
| 8160052 | Method, system and apparatus for synchronizing stream between bearer control layer and bearer layer devices A method, a system and an apparatus for synchronizing the stream between the bearer control layer and bearer layer devices. Bearer layer device returns information corresponding to the stream synchronizing information distributed by the resource manager RM of the be... | 04/17/2012 |
| 8155106 | Method of performing cell search in wireless communucation system A method of performing cell search includes receiving a primary synchronization signal (PSS) comprising a primary synchronization code (PSC) and receiving a secondary synchronization signal (SSS) comprising a first secondary synchronization code (SSC) and a second S... | 04/10/2012 |
| 8155107 | Current position transmission in a shared robust scheme A method implemented on a network node includes receiving an adjustable schedule of transmission start slots, where the transmission start slots represent transmission initiation opportunities for the initiation of data transmission by at least one of a plurality of... | 04/10/2012 |
| 8155105 | Spread spectrum wireless communication and monitoring arrangement and method A method and system for wireless monitoring is implemented in a variety of embodiments. In one such embodiment, a monitoring system method is implemented for, wireless communication between a central device and monitoring devices. Each of the devices includes a wire... | 04/10/2012 |
| 8149817 | Systems, apparatus, methods and computer program products for providing ATSC interoperability Systems, apparatus, methods and computer program products are provided for causing a dataframe to be emitted at an air interface of an antenna. A memory stores a transmission to antenna delay value (TAD). An offset calculator calculates an offset value based on an e... | 04/03/2012 |
| 8144685 | Wireless communication system, wireless communication apparatus and wireless communication method for constructing a decentralized distributed type network In order to solve problems arising when a communication system such as a wireless LAN is constructed as a decentralized distributed type network without a relationship of control station and controlled stations such as a master station and slave stations, in a wirel... | 03/27/2012 |
| 8139558 | 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 ... | 03/20/2012 |
| 8139557 | Wireless base station apparatus and system to avoid preamble interference A radio base-station apparatus with improved frame transmission efficiency by avoiding interference of preambles and frame control information between sectors of a cell or between cells with a frequency reuse factor. In the apparatus OFDMA multiple-access processing... | 03/20/2012 |
| 8139556 | Method and apparatus for transmitting and receiving downlink synchronization channel in a cellular communication system A method and apparatus for transmitting and receiving an SCH in a cellular wireless communication system, in which a number of available PSCs among PSCs defined for P-SCH in the system is checked, a default PSC to be used with priority in UEs of the system for cell ... | 03/20/2012 |
| 8134996 | Downlink synchronization for a cellular OFDM communication system The present invention provides a method of operating a base station transmitter. In one embodiment, the method includes providing a cellular downlink synchronization signal having primary and secondary portions, wherein the primary portion is common for all cells an... | 03/13/2012 |
| 8134998 | Radio communication base station apparatus and radio communication method Provided is a base station capable of performing cell search of all mobile stations having different communicable frequency band widths in a scalable band width communication system to which a multi-carrier communication method such as the OFDM method is applied. Th... | 03/13/2012 |
| 8134997 | Preamble receiving apparatus Provided is a preamble receiving apparatus, including: a receiving unit receiving from a transmitting apparatus a frame having a format which contains a preamble section and a margin section subsequent to the preamble section; and a reception processing unit detecti... | 03/13/2012 |
| 8130743 | Cellular radiotelephone signal permitting synchronization of a supplementary channel by means of a principal channel and corresponding method, terminal and base station The disclosure relates to a cellular radiotelephone signal of the type comprising, a principal bidirectional symmetrical channel, comprising a principal uplink path and a principal downlink path, particularly to guarantee transmission of data at low or medium rate a... | 03/06/2012 |
| 8130745 | Synchronizing call feature data between an IMS network and a legacy network Communication networks and methods are disclosed that synchronize call feature data between an IMS network and a legacy network, such as a cellular network. An IMS subscriber server (e.g., a Home Subscriber Server (HSS)) is notified of changes to feature data for a ... | 03/06/2012 |
| 8130744 | Communication apparatus and control method, program, and storage medium thereof A communication apparatus comprises: a determination unit to determine whether there exists an external apparatus that has not undergone synchronization adjustment; and a control unit to exert control, if the external apparatus exists, so that the communication appa... | 03/06/2012 |
| 8125977 | Synchronization of computer system clock using a local gateway Methods and apparatuses for synchronizing a system clock of a computer via a local gateway are described herein. In one embodiment, a local clock of a gateway device is periodically synchronized with a remote time service facility over an external network. The synch... | 02/28/2012 |
| 8125976 | Apparatus for generating down link signal, and method and apparatus for cell search in cellular system The invention provides a method of generating a downlink signal and searching a cell on the basis of the downlink signal in an OFDM-based cellular system. The downlink signal includes a plurality of synchronization blocks each having a plurality of sub-frames, and a... | 02/28/2012 |
| 8111683 | Base station and mobile station for OFDMA cellular system In a cellular radio communication system, a base station or a mobile station has a TA (Time Alignment)-range-out detection function, so that when a TA-range-out state that is unable to compensate with a guard interval is detected, the transmission condition of an up... | 02/07/2012 |
| 8107457 | Multi-access terminal with capability for simultaneous connectivity to multiple communication channels An apparatus is disclosed for permitting a mobile terminal having multiple, heterogeneous network connections (e.g., multiple wired or wireless transceivers of various types) to set up and maintain virtual connections over multiple networks to either the same or to ... | 01/31/2012 |
| 8107456 | Method of performing uplink synchronization in wireless communication system A method of performing uplink synchronization in a wireless communication system includes transmitting a random access preamble which is randomly selected from a set of random access preambles, receiving a random access response, the random access response comprisin... | 01/31/2012 |
| 8102836 | Synchronization of a split audio, video, or other data stream with separate sinks Methods, systems, and apparatuses for synchronizing one or more output/sink devices are described. In each sink device, a communication packet is received from a source device. The communication packet includes data and a source clock timestamp. A local clock signal... | 01/24/2012 |
