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7620410 |
Broadcast station synchronization method and mobile terminal
A broadcast station synchronization method in a mobile terminal operating with a system clock different from the reference clock of a broadcast station, wherein a clock synchronized with the...
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7620135 |
Data processing apparatus that identifies a communication clock frequency
A data processing apparatus receives a message containing a sync break interval with a unique bit pattern and a sync field interval identified by the sync break interval. A timing property of the...
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7613104 |
Method, apparatus and computer program product providing synchronization for OFDMA downlink signal
Disclosed is a method, a computer program product and a device that includes a receiver for receiving a downlink signal transmitted into a cell. The receiver is operable to obtain time, carrier...
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7609752 |
Transmitter and transmission control method used in random access communication environment
A transmitter comprises a frequency utilization status detector configured to detect the utilization status of an allocated frequency band based on a received signal, a symbol placement...
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7606270 |
Device and method for generating control signals in a radio station
A radio station, in particular a mobile radio station, respectively has a unit for production of system information ( 2, 3 ), a memory unit ( 4, 5 ) and a control signal unit ( 6, 7 ) for...
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7602816 |
Systems and methods for serial packet synchronization in a voice processing system
A serial packet sync encoder is used to encode a serial packet sync datastream. In an embodiment, the serial packet sync datastream is made up of the packet sync vector and a unique preamble bit...
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7599309 |
Method and apparatus for managing cell-by-cell demodulation timings of a user equipment in an asynchronous mobile telecommunication system
A method and an apparatus are provided for managing cell-by-cell demodulation timing of an asynchronous user equipment (UE) for demodulating multipath signals, received from a plurality of cells,...
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7593738 |
GPS synchronization for wireless communications stations
A method and system are specified to determine, provide, and exploit the precise time base relations between the distinct signal timings of the Global Positioning System (GPS) and a wireless...
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7590151 |
Method and apparatus for aligning time references when separated by an unreliable data packet network
A time control mechanism accepts samples of time (true or otherwise) over a network, and enables dynamic compensation for random delays of the network in order to maintain the output of a slave...
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RE40918 |
Method and device for transmitting data frames
The method has two possible transmission modes: a first mode whereby a first transmitter ( 1 ) sends frames including sufficient auxiliary data to enable a first receiver ( 2 ) to acquire frame...
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7583683 |
Router using clock synchronizer for distributed traffic control
A router using distributed processing for FIB look-up and fair queuing algorithm is invented. The real-time traffic includes voice and video and should be transmitted in a certain time limit....
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7583653 |
Method for downlink transmission synchronization and data buffer sizing in a radio access network
A method for transmitting a data frame in a wireless communication system begins by creating a time of arrival (TOA) window, including a window start (WS) and a window end (WE). The TOA of the data...
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7580522 |
Digital video broadcasting receiver
A digital video broadcasting receiver comprising a first input for receiving a first transport stream of data (TS# 1 ) and a second input for receiving a second transport stream of data (TS# 2 ),...
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7577169 |
Time stamping
A method of time stamping by using a modified NTP at the data link/physical layers. The method includes steps of time stamping and recording arrival and transmit times at a lower data link level of...
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7577168 |
Method for detecting symbol synchronization and apparatus thereof
An apparatus for detecting symbol synchronization in a received signal including a first preamble and a second preamble which is consecutive to the first preamble, the apparatus including a first...
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7574224 |
Methods and apparatus for performing timing synchronization with base stations
A wireless terminal using OFDM signaling supporting both terrestrial and satellite base station connectivity operates using conventional access probe signaling in a first mode of operation to...
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7573864 |
Method for realtime digital processing of communications signals
In a communications or jamming system, accurate timing of the transmission of digitally processed signals is accomplished through the use of standard off-the-shelf components. In order to eliminate...
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7573863 |
Method for real time control of transmit chain for software radios
In a communications or jamming system, accurate timing for the control of the frequency, amplitude, modulation type, pulse repetition rate or other transmit characteristics is achieved for the...
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7570668 |
Data synchronization
The invention relates to a method of limiting the size of synchronization messages between a first synchronization device and a second synchronization device. The first device specifies a maximum...
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7570304 |
Method, apparatus and computer program product for synchronizing presentation of digital video data with serving of digital video data
The present invention provides a method for matching the rate of presentation of digital video data at a receiver/client with the rate the server is serving the data without the need of a voltage...
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7564875 |
Techniques to map and de-map signals
Briefly, a system that maps SONET/SDH data to an OTN frame using justification commands. Briefly, a system that de-maps an OTN frame into SONET/SDH data using justification commands.
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7564830 |
System and method for terminating a voice call in any burst within a multi-burst superframe
A system and method for effectively and reliably terminating a voice call in any burst within a multi-burst superframe. A transmitting unit generates a termination burst upon detecting a dekey...
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7561601 |
Method for synchronizing digital signals
The invention relates to a method of synchronizing first and second digital signals presenting digital elements to be put into correspondence, on the basis of time references. The method includes...
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7561600 |
Synchronization at multiframe level of a mobile terminal of a radiocommunications system
To allow the synchronization at multiframe level of a mobile terminal on a traffic down path which exhibits a multiframe structure with a determined number L of useful data frames, the base...
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7561598 |
Add-on module for synchronizing operations of a plurality of devices
A system and method are provided which add, via an add-on module, synchronization functionality to an instrument that does not otherwise support such synchronization functionality. Various...
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7558294 |
Time synchronization in a network
A method and corresponding system for communicating between stations in a network is presented. The method includes providing repeated beacon transmissions from a coordinator station for...
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7558293 |
Method for detecting initial operation mode in wireless communication system employing OFDMA scheme
Disclosed is a method for detecting an initial operating mode in an OFDMA wireless communication system the method includes receiving from a BS a reference signal having a specific pattern, and...
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7558292 |
Redundant time synchronization
Disclosed is a time-synchronization algorithm for use among disparate systems, such as between a controller system and a system having one or more application workstations. In an embodiment of the...
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7558260 |
Byte-timeslot-synchronous, dynamically switched multi-source-node data transport bus system
A self-optimizing digital communications network for transporting data among a set of nodes, such as routers, switches or terminal equipment, based on multi-source-node data transport channels,...
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7555016 |
Data communication
A data communication system for communicating an input streamed data signal having an associated clock signal including at least two data handling nodes each having a physical layer interface...
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7555015 |
System and method for synchronizing telecom-related clocks across an unsynchronized point-to-point network connection
A system and method for synchronizing clocks related to telecommunications across an unsynchronized point-to-point network connection utilizes downstream data timed using a high frequency...
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7555009 |
Data processing method and apparatus, and data distribution method and information processing apparatus
In the processing of multimedia contents data, analyzing the structure of the multimedia contents to be reproduced and changing sync information field configuration information contained in the...
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7545790 |
Apparatus and method for acquisition of communication quality
In mobile communication systems employing the CDMA method, the communication quality is acquired from the CDMA pilot channel. A communication quality acquisition apparatus comprises a delay profile...
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7539218 |
Media processing engine framework
A method is described for synchronously processing and rendering digitized media data streams where each data stream is made up of a sequence of samples. The described method includes processing...
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7536194 |
Method and system for providing an energy efficient exchange of information in wireless networks
A method and system to synchronize a first device and a second device includes generating a first tone by the first device, the first tone one of including an identity of the second device and...
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7535932 |
Radio communications system, radio network controller and base station
The present invention relates to a radio communications system which transmits same downlink information to a plurality of cells by using downlink common channels. The radio communications system...
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7532805 |
Audio-visual data recording/reproducing device
An AV data recording/reproducing device is connected to a digital broadcasting tuner and the like via an IEEE1394 bus, in order to realize high-speed transfer when duplicating or transporting AV...
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7532645 |
Receiver operable to receive data at a lower data rate
A receiver that includes: an oversampling module that converts a serial stream of data into a plurality of streams of oversampled data based on the receive clock; a transition location module that...
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7529246 |
Transparent optimization for session establishment using characterized synchronization packet
A system and method that optimizes transmission control protocol (TCP) initial session establishment without intruding upon TCP's core algorithms. TCP's initially session establishment is...
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7522689 |
Clock recovery in communication systems
In a frequency hopped wireless network, more robust method and system are disclosed for recovering clock synchronization. The method and system of the invention relies on the fact that correct...
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7522514 |
Systems and methods for high rate OFDM communications
Messages transmitted between a receiver and a transmitter are used to maximize a communication data rate. In particular, a multicarrier modulation system uses messages that are sent from the...
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7509097 |
Method for determining a measurement time period
A method for determining a measurement time period for measuring a propagation environment in a wireless station set having a plurality of wireless stations, between which wireless communication is...
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7505522 |
Spectral shaping in multiband OFDM transmitter with clipping
A method of shaping an orthogonal frequency division multiplexing (OFDM) signal spectrum is disclosed. The method comprises receiving an input signal that has a frequency spectrum that includes a...
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7502388 |
Hot synchronization device of an asynchronous frame receiver
An asynchronous frame receiver includes an input for receiving an asynchronous frame comprising a break character, which includes a determined number of bits having a same value. A hot-plugging...
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7499473 |
Method and device for synchronizing a mobile radio receiver
A method for synchronization of a mobile radio receiver having a time slot structure for a radio signal is disclosed. A data stream received by the mobile radio receiver is filtered in a filter,...
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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...
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7496132 |
Pilot signals for synchronization and/or channel estimation
The frame words of the embodiments are suitable for frame synchronization and/or channel estimation. By adding the autocorrelation and/or cross-correlation functions of frame words, double maximum...
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7492792 |
Apparatus for receiving digital data
An apparatus for receiving digital data includes a memory unit for temporarily storing therein a plurality of data streams, each of which includes data and clock obtained by demodulating plural...
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7486657 |
Radio controlled clock and method for retrieving time information from time signals
Time information is retrieved from time signals transmitted by a transmitter and received by a receiver. The retrieval relies on the examination of at least one time portion ( 86, 87, 88 ) within a...
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7486656 |
Method and system for a mobile unit to synchronize with base station
The present invention is related to a method and apparatus for a mobile unit to synchronize with the base station in WCDMA system. First, the mobile unit receives the signal transmitted from the...
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