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| Number | Title | Issue Date |
| 8184573 | Base station, mobile station, and synchronization channel transmission method A base station communicating with a mobile station in a radio communication system by using OFDM for downlink is disclosed. The base station includes a sequence selecting unit configured to select multiple synchronization signal sequences; a synchronization signal g... | 05/22/2012 |
| 8175029 | Method and apparatus for transmitting synchronization signals in an OFDM based cellular communication system Disclosed is an apparatus and method for transmitting the synchronization signal in an Orthogonal Frequency Division Multiplexing (OFDM) based cellular system. The cell search process widely used in the OFDM based cellular system is divided into two steps for obtain... | 05/08/2012 |
| 8175028 | Isolation measurement and self-oscillation prevention in TDD-OFDM repeater for wireless broadband distribution to shadowed areas A method for determining isolation status of the RF repeater is provided. A modem in the repeater registers with a base transceiver station (BTS). Uplink output levels of a donor RF transceiver are calibrated and stored in the modem. The modem is synchronized to a B... | 05/08/2012 |
| 8169948 | Code synchronization circuit, delay time measurement device, control method, control program, and computer-readable storage medium A code synchronization circuit for a delay time measurement device used in a low C/N environment is provided. The code synchronization circuit is capable of high precision timing phase measurement and stable operation against variations in the reception level. For t... | 05/01/2012 |
| 8165061 | Inter working function (IWF) as logical radio network controller (RNC) for hybrid coupling in an interworking between WLAN and a mobile communications network There is provided a method of supporting an interworking between a wireless local area network (WLAN) and a mobile communications network. The interworking is facilitated by an interworking function (IWF) disposed on a WLAN side of the interworking. The method compr... | 04/24/2012 |
| 8116256 | Wireless data frame structure among nodes The embodiments provide transmitting at same time first and relay second node preambles aligning data frames among the first node and the relay second node wirelessly communicating in a channel and transmitting by the first node one or more radio resource control pa... | 02/14/2012 |
| 8116257 | Method and system for calculating a local time for a user equipment in an intelligent network A method of calculating local time, in an intelligent network, of a subscriber's User Equipment (UE), determines whether a call originates or terminates with the UE, the UTC offset and DST observance indicator for the (G)MSC signaling the intelligent network, and a ... | 02/14/2012 |
| 8098617 | Method and apparatus for selective examination of PPP packets for renegotiation of a PPP link on a Uinterface A method and system that provides for efficient re-synchronization of a PPP link on a Um interface is provided. When the PPP link is connected, if an indication that the communications of the mobile station is associated with a new network server is detected, only t... | 01/17/2012 |
| 8085707 | Device and method for nodal multiple access into communications channels A nodal division multiple access technique for multiple access to a communications channel such as a satellite transponder. The present invention provides multiple access into a communications channel where each accessing site utilizes one signal from a composite am... | 12/27/2011 |
| 8068448 | Apparatus, system, and computer program for synchronizing communications A satellite communication system includes a hub, a repeater, a scheduling unit, and a remote. The scheduling unit is configured to synchronize a communication of the system based on an elapsed time between (i) an arrival at the remote of a downstream reference frame... | 11/29/2011 |
| 8014338 | Apparatus and method for supporting relay service in a multi-hop relay broadband wireless access communication system An apparatus and method for configuring a subframe to support a relay service in a multi-hop relay BWA communication system are provided. The apparatus includes at least one of a BS-MS link subframe, a primary RS-MS link subframe, and a BS-secondary RS link subframe... | 09/06/2011 |
| 7990910 | Mobile station and reception quality measurement method A reception quality measurement method includes instructing a mobile station existing in a cell to measure a reception quality of a signal sent by a second base station forming a cell with a frequency different from a frequency of the cell of the first base station;... | 08/02/2011 |
| 7990909 | Synchronization of network nodes A method and apparatus are provided to achieve frequency synchronization between a first clock at a first node and a second clock at a second node of a packet-carrying communications network. At the first node: a property of packet transmission through the network b... | 08/02/2011 |
| 7983210 | Method and system of scanning a TDMA channel A method for scanning a TDMA channel by a mobile station in a wireless communications landscape is disclosed. A mobile station detects RF energy on a TDMA channel to detect activity in the detected RF energy. The mobile station maintains knowledge of previous activi... | 07/19/2011 |
| 7983209 | System and method for producing notification based web services A system and method for converting a schema based synchronous service to a schema based asynchronous service. The asynchronous service for implementing on a server configured for communication with a respective client over a network. The system and method comprising... | 07/19/2011 |
| 7974233 | Systems and methods for transmitting and receiving data streams with feedback information over a lossy network Systems, apparatus, and methods are provided to enhance transmitting and receiving video data streams with feedback information over a lossy and/or congested network. The systems, apparatus, and methods may optimize retransmission for lost packets or lost data frame... | 07/05/2011 |
| 7974232 | Method and apparatus for managing communications within a distributed network Some embodiments of the present invention relate to an apparatus for managing communications within a distributed network. According to some embodiments of the invention, the apparatus may include a communication management module and a synchronization module. The c... | 07/05/2011 |
| 7969929 | Transporting GSM packets over a discontinuous IP based network A system for transferring data includes an interface configured to receive data that is sent via a first link, and a processor coupled to the interface. The processor is configured to: receive data that is sent via a first link; determine whether there is discontinu... | 06/28/2011 |
| 7957336 | System and method for clock distribution and synchronization and radio location A system for locating a client in a wireless network. The system includes at least three access points. Each access point is adapted to wirelessly communicate with a client having a location using packeted data, be placed in wired data communication within a selecte... | 06/07/2011 |
| 7929483 | Method and apparatus for providing a secure system time The present invention discloses a system and method for providing a secured system time reference to a subscriber device, e.g., a set top box or a receiver. In one embodiment, the system time reference is provided in a secure system time message that is broadcasted ... | 04/19/2011 |
| 7920508 | Apparatus and method for generating synchronization channel for relay station in wireless communication system An apparatus and method for generating an RS SCH in a wireless communication system are provided, in which a base station checks a BS SCH sequence and a mask sequence, and generates an RS SCH sequence by XOR-operating the BS SCH sequence and the mask sequence. ... | 04/05/2011 |
| 7911993 | Method and apparatus for allowing soft handoff of a CDMA reverse link utilizing an orthogonal channel structure Method and apparatus for base stations and subscriber units allows soft handoff of a CDMA reverse link utilizing an orthogonal channel structure. Subscriber units transmit an orthogonally coded signal over a reverse link to the base stations. A given base station pr... | 03/22/2011 |
| 7903601 | Asynchronous dynamic network discovery for low power systems An ad hoc method is provided for synchronizing a wireless network. The method involves broadcasting a first signal including a join message from a first node (FN). The method also involves saving a first timestamps in a memory device internal to the FN after broadca... | 03/08/2011 |
| 7813311 | Method and apparatus for synchronizing base stations Method and apparatus for synchronizing base stations employing an independent synchronizing source or identifying a base station as a master source. An RNC (C-RNC) or a base station may designate one base station or a UE to acquire measurements derived from base sta... | 10/12/2010 |
| 7738414 | Mobile communication system and control device The present invention can improve a reception quality of mobile stations and utilize radio resources effectively, by resolving the problem caused when the conventional multicast communications system. The present invention relates to a radio communications system fo... | 06/15/2010 |
| 7715337 | Wireless communication system, wireless communication apparatus and wireless communication method, and computer program A wireless communication system is constructed by autonomous distributed operation of communication stations without having a relation of a controlling station and controlled stations. In the wireless communication system, each communication station checks a state o... | 05/11/2010 |
| 7706319 | Fast session setup extensions to H.324 A method of initiating a set up process for a call between users with reduced set up times using one or more 3G telecommunication networks. The method includes establishing a bearer channel between a first terminal and a second terminal after a call signaling proces... | 04/27/2010 |
| 7623482 | System and method for effectuating the transfer of data blocks including a header block across a clock boundary A system and method for effectuating the transfer of data blocks including a header block across a clock boundary between a first clock domain and a second clock domain. In one embodiment, a first circuit portion provides the data blocks including the header block t... | 11/24/2009 |
| 7570611 | Parallel processing data transfer arrangements A data transfer arrangement may be used in a System on a Chip (SoC). The SoC has a processing element fabric and a logic element fabric. The two fabrics are coupled by a fabric exchange element to transfer data efficiently between the processing element fabric and t... | 08/04/2009 |
| 7545764 | Synchronized code recognition A system includes a central controller to transmit a plurality of synchronization codes through a transmission medium and a plurality of satellite controllers, each satellite controller configured to recognize one or more synchronization codes of the plurality of sy... | 06/09/2009 |
| 7502342 | Resynchronization method in wireless ad-hoc network environments A resynchronization method for wireless ad-hoc network environments that are synchronized by a synchronization signal broadcast from one arbiter includes (a) preparing a candidate arbiters list that lists the wireless access devices linked to a wireless ad-hoc netwo... | 03/10/2009 |
| 7499423 | System and method for clock distribution and synchronization and radio location A system for locating a client in a wireless network. The system includes at least three access points. Each access point is adapted to wirelessly communicate with a client having a location using packeted data, be placed in wired data communication within a selecte... | 03/03/2009 |
| 7474637 | Signal supply apparatus and method for public and private mobile communication system A signal supply apparatus for a public and private mobile communication system. The apparatus has Internet protocol base transceiver subsystems, and a private base station controller that controls the Internet protocol base transceiver subsystems. Instead of having ... | 01/06/2009 |
| 7447172 | Media synchronizing system and service providing method for using the same The invention provides a media synchronizing system capable of achieving various kinds of services synchronized with delivery of media to users. A synchronization data decoding unit 114 makes a reference to an internal clock 112, determines a command e... | 11/04/2008 |
| 7436813 | Method and system for acquiring time synchronization between base stations in a broadband wireless access communication system Method and system by which a base station without a Global Positioning System (GPS) receiver acquires time synchronization in a Broadband Wireless Access (BWA) communication system. The method includes scanning neighbor base stations around a first base station and ... | 10/14/2008 |
| 7426194 | System and method for asynchronous wireless services using reverse service schema generation A notification service and correspondingly configured wireless device for providing asynchronous communications over a communication network for an application of the wireless device in communication with a selected service. The selected service has a source schema ... | 09/16/2008 |
| 7418063 | DTX detection method with high success probability A wireless communications system receiver classifies a received burst as a DTX-high state normal burst or a DTX-low state truncated burst with a high probability of success. D1, the Euclidean distance between the known CDVCC and the bit position of CDVCC in a normal... | 08/26/2008 |
| 7411937 | Time synchronization system and method for synchronizing locating units within a communication system using a known external signal A time synchronization system synchronizes local clocks of locating units within a communication system using a known external signal. Each of the locating units receives a radio frequency (RF) signal from a transmitter at a known geographical location and measures ... | 08/12/2008 |
| 7409214 | Cell search method for inter-system handover in a mobile station A cell search method for handover between an asynchronous mobile communication system's base station and a synchronous mobile communication system's base station. A border base station, which is an asynchronous base station neighboring a synchronous mobile communica... | 08/05/2008 |
| 7403498 | Method and apparatus for selective examination of PPP packets for renegotiation of a PPP link on a Uinterface A method and system that provides for efficient re-synchronization of a PPP link on a Um interface is provided. When the PPP link is connected, if an indication that the communications of the mobile station is associated with a new network server is detec... | 07/22/2008 |
