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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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7613212 |
Centralized clock synchronization for time division multiplexed traffic transported over Ethernet networks
A centralized clock distribution mechanism for synchronous TDM communications traffic transported over asynchronous networks such as Ethernet networks. The centralized clocking mechanism of the...
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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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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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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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7561599 |
Method of reliable multicasting
A method for providing reliable multicasting is described. A transmitted multicast packet is received at second devices, each of which in response transmits a first acknowledgement. If a second...
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7555196 |
Methods and systems for synchronizing timecodes when sending indices to client devices
Methods and systems for indexing programs are described. In accordance with one embodiment, program data associated with a program recorded on a first entertainment system is processed sufficient...
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7555017 |
Low latency digital audio over packet switched networks
Method and Apparatus for delivering audio signals from a source node to a destination node on a network. The apparatus uses a number of switches that transmit prioritized data on a packet network....
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7551611 |
Radio apparatus
A control unit produces a packet signal composed of a plurality of streams, based on a plurality of inputted data signals. For each of a plurality of data signals, a baseband processing unit...
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7542486 |
Method of processing an incident pulsed UWB signal received by an independent data device of a wireless data communication system of the WPAN type, and corresponding independent data device
A method for processing an incident pulsed signal of an ultra wide band type received over a channel by a data device operating in a wireless data communications system is provided. The incident...
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7542479 |
Transfer device for implementing multi-port service convergence and method thereof
The present invention discloses a device and method for implementing multi-port service convergence. The device at least comprises a clock & data recovery module, a encapsulating module, a mapping...
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7539219 |
Method and apparatus for synchronization of digital multimedia packets
A method and apparatus is provided for synchronizing both the initiation of playback of digital multimedia data in one or more receivers and the rate of playback of the digital multimedia data in...
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7532566 |
Use of identifier of remote unit for downstream signals
Systems and methods for orthogonal frequency division multiplexing multipoint-to-point communications systems are provided. In one embodiment, a method comprises: establishing communication between...
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7526302 |
Method of synchronizing a mobile station with a base station
The invention relates to a method of synchronizing a mobile station with a base station in a wireless communications system, to a mobile station for a wireless communications system, as well as to...
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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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7502381 |
Network terminal, network system, method of controlling network terminal, and program
A network terminal of the present invention includes: a synchronization information frame receiving section for receiving a synchronization information frame from a master terminal; a network...
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7483473 |
Access channel structure for wireless communication system
A technique for efficient implementation of pilot signals on a reverse link in a wireless communication system. An access channel is defined for the reverse link such that within each frame, or...
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7483448 |
Method and system for the clock synchronization of network terminals
A method and system for network terminal clock synchronization includes determining a respective round trip delay time from a master terminal to each slave terminal and offsetting the clock of each...
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7477660 |
Data processing unit
A system and method for frame detection and generation. Each incoming clock-data stream is divided into two independent data streams: a clock path which preserves the timing of the individual clock...
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7463618 |
Frame synchronization in a universal mobile telephone system receiver
A Universal Mobile Telephone System (UMTS) receiver performs slot synchronization using a received primary synchronization channel (PSCH). Subsequent to completion of slot synchronization, the UMTS...
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7457389 |
Data block synchronization device, system and method
Described are a system, method and device to synchronize block data received in a data stream where the data stream is received on set data word increments. A synchronization header in each of a...
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7428250 |
System and associated method for receiving data telegrams in communication systems having redundant network paths
A method for receiving data messages in communications systems having redundant network paths. Received data of a peripheral representation or image is routed to a node along at least two different...
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7426219 |
Method and apparatus for reducing packet data mixer delay
The present invention is directed to the reduction of delays introduced in connection with packet data mixing operations. In particular, in accordance with an embodiment of the present invention,...
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7421280 |
Wireless network and wireless access terminals using enhanced SYNC—ID parameter
A mobile station capable of determining a SYNC_ID parameter for a base station serving said mobile station comprises: (i) a memory capable of storing prefix information and an associated SYNC_ID...
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7415002 |
Circuit synchronization over asynchronous links
A device that synchronizes circuits over asynchronous links is disclosed. Some embodiments of the invention include a device that comprises a plurality of circuits. One of the plurality of circuits...
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7394801 |
Cell search method suitable for initial cell search and target cell search
A wireless device generates a peak profile for a primary synchronization channel (PSCH), and has a synchronization stage for performing code group identification and scrambling code identification....
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7386081 |
Timing control circuit and method thereof
A timing control circuit includes a synchronous detecting portion which detects a synchronous pattern data of a received signal which has been demodulated based on a first control signal and...
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7386006 |
Process and device for synchronization and codegroup identification in cellular communication systems and computer program therefor
In a first step, slot synchronization may be obtained by setting in correlation the received signal with a primary sequence, which represents the primary channel, and storing the received signal....
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7376120 |
Radio base station synchronizing responsive to conditions being met
In the case of radio base stations of different kinds, a synchronization in a radio section cannot be established so that the efficiently effective use of electric waves cannot be retained....
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7363359 |
Element management system with automatic remote backup of network elements' local storage
An element management system that can itself be used to perform automatic remote backup of the network elements. A backup procedure is launched on a programmed schedule, to maintain a centrally...
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7349400 |
Method and system for transport protocol reconstruction and timer synchronization for non-intrusive capturing and analysis of packets on a high-speed distributed network
A transport protocol data flow reconstruction method delays determination that a missing packet is lost for a period of time. For an evaluated TCP packet in a first direction, the method determines...
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7336637 |
CDMA communication device for improving the usability of frequencies and suppressing the occurrence of call loss
The CDMA communication device of the present invention includes a spreading unit, radio transmitters, and a control device that includes a setting unit and a determination unit. The spreading unit...
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7324549 |
Synchronisation communication systems
A method and apparatus of transmitting data at a line rate to a bus operating at a bus rate includes transmitting the data in a packet format having a plurality of frames each having a plurality of...
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7302268 |
System and method for radio transmitter acquisition
A method of a receiver determining the timing of a signal transmitted in a time-slotted manner, the signal comprising a sequence of information which is repeated at a known interval and has at...
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7274714 |
Emulating of information flow
The object of the invention is a method for emulating the two-way information flow of a real application in a system, which comprises a first network element ( 101 ) and a second network element (...
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7260119 |
System, method, and computer program product for ethernet-passive optical networks
A system, method, and computer program product for synchronizing time between a centralized controller device and at least one subscriber device on an Ethernet Passive Optical Network (EPON). The...
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7254115 |
Split-transaction bus intelligent logic analysis tool
An improved split-transaction bus intelligent logic analysis tool has a bus synchronizer, a decoder and a logic analysis function. The bus synchronizer is configured to receive link traffic and...
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7245637 |
Methods and apparatus for suppressing signaling tones in telephony signal
In some embodiments, a method includes detecting a tone in each data frame of a sequence of telephony signal data frames. A first data frame of the sequence of telephony signal data frames may be...
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7242696 |
Digital TDMA link with no sync word
The portion of TDMA frames otherwise containing the sync word is eliminated for one or more data frames at the end of a TDMA data burst to provided added bandwidth for data payload or for a reduced...
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7231583 |
Communication method and apparatus
In a frame sync method, a receiver searches for the presence of an N-symbol long unique word pattern. For each possible frame sync detected, the receiver proceeds to demodulation and FEC...
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7230956 |
Techniques for frame detection and word alignment
A system receives input data frames that are configured according to a SONET or an SDH standard. The input data is converted to parallel data. The system provides groups of bits along parallel...
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7221661 |
Radio terminal, radio synchronization system having no base station, and recording medium
According to the present invention, all terminals can establish synchronization in a radio communications system formed only of a plurality of mobile terminals. This radio terminal communicates by...
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7213190 |
Data processing apparatus and method
A data processing apparatus according an aspect of this invention has a syndrome calculation unit configured to calculate the syndrome of a demodulated data sequence. The syndrome calculation unit...
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7209493 |
Multiplex transmission system and multiplex transmitter
A multiplex transmission system according to the invention includes a transmitter and a receiver. The transmitter is provided with an idle frame inserting unit that inserts a specific idle frame...
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7194267 |
Transport channel control in a UMTS network
A method of switching from a first to a second transport channel for User Equipment (UE) in a UMTS Terrestrial Radio Access Network (UTRAN) of a UMTS system. The method comprises initiating a...
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7177520 |
System and method of timecode repair and synchronization in MPEG streams
A method, apparatus and article of manufacture is provided for processing a previously encoded MPEG video high-resolution (HR) file and corresponding proxy file, for frame accurate timecode repair...
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7158535 |
System and method for translating overhead bytes in a multidimensional digital frame structure
A system and method have been provided for translating digitally wrapped communications between networks using different protocols. This invention makes use of an integrated circuit (IC) relay with...
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7154917 |
Transmission system for transmitting a main signal and an auxiliary signal
In a transmission system with a transmitter coupled to a receiver a main signal encoded according to a coding property is transmitted together with an auxiliary signal (AUX). In order to transmit...
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7139264 |
Communications system
In a synchronous digital communications system a network of SDH (or SONET) equipments (SE) are arranged to exchange synchronisation signals via ports on the SEs, each port being allocated a source...
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7126967 |
Time-alignment apparatus and method for providing data frames of a plurality of channels with predeterminated time-offsets
The invention relates to a time-alignment apparatus and a time-alignment method of a transmitter (TX) of a telecommunication system TELE. Successive data frames (ch 1/0, ch 2/0, ch 3/0, ch 4/0, ...
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