Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 1 - Arrangements for detecting or preventing errors in the information received
Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
11/2000
11/14/2000US6147978 Method and apparatus for preventing message collisions in a half-duplex communication system
11/14/2000US6147964 Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
11/14/2000CA2307485A1 Efficient automatic repeat request method using variable length sequence numbers
11/14/2000CA2193843C Phased array spread spectrum system and method
11/14/2000CA2185411C Atm cell flow control apparatus
11/09/2000WO2000067498A1 Asymmetric data transmission for use in a multi-modulation environment
11/09/2000WO2000067439A1 Estimation method, receiver and decoder, of channel conditions in wireless communications
11/09/2000WO2000067437A2 Method and system for processing a data stream with data frames
11/09/2000WO2000067419A1 Adsl test system
11/09/2000WO2000067418A1 Method for measuring the receiver-side bit error rate of a dvb transmission system
11/09/2000WO2000067417A1 Robust coding for the transmission of audio or video signals
11/09/2000WO2000067392A1 Method and apparatus for quality evaluation of cable circuit
11/09/2000WO2000067386A1 Apparatus and method for normalizing metric values in a component decoder in a mobile communication system
11/09/2000WO2000067385A1 ACTIVATION OF MULTIPLE xDSL MODEMS WITH POWER CONTROL MEASUREMENT
11/09/2000WO2000067383A1 Low delay decoding
11/09/2000WO2000067125A1 Processor
11/09/2000WO2000031957A3 Multi-user access of reverse path ingress
11/09/2000WO2000028341A3 Dynamic register with low clock rate testing capability
11/09/2000WO1999014882A3 A packet-based telemedicine system for communicating information between central monitoring stations and remote patient monitoring stations
11/09/2000DE19920299A1 Safety signal detection, transmission and processing method for machine tool or industrial robot
11/08/2000EP1050990A1 Method of updating reference value in a high speed closed loop based on likelihood
11/08/2000EP1050989A2 MAP rate detection for variable rate CODECs
11/08/2000EP1050986A2 Method and apparatus for controlling bit slippage in high-speed communications systems
11/08/2000EP1050976A2 Closed-loop transmitting power control method using variable updating amount
11/08/2000EP1050166A1 Decoder buffer for streaming video receiver
11/08/2000EP1050128A1 Traffic monitoring tool for bandwidth management
11/08/2000EP1050123A1 Method and apparatus for encoding rate determination in a communication system
11/08/2000EP1050110A1 Method for a general turbo code trellis termination
11/08/2000EP0784893A4 Hierarchical communication system providing intelligent data, program and processing migration
11/08/2000EP0761043A4 High performance modem using pilote symbols for equalization and frame synchronization
11/08/2000CN1273011A Radio communication device and method
11/08/2000CN1272978A Interleaving method and device, and deinterleaving method and device
11/08/2000CN1272733A Rate match and channel interweaving of communication system
11/07/2000US6145110 Digital data decoder that derives codeword estimates from soft data
11/07/2000US6145108 Retransmission packet capture system within a wireless multiservice communications environment
11/07/2000US6145045 System for sending and receiving data on a Universal Serial Bus (USB) using a memory shared among a number of end points
11/07/2000US6144711 Spatio-temporal processing for communication
11/07/2000US6144704 Phase domain multiplexed communications system
11/07/2000US6144676 Method for enhancing data transmission
11/07/2000US6144653 Method for communicating in a wireless communication system
11/07/2000US6144645 Method and system for an air interface for providing voice, data, and multimedia services in a wireless local loop system
11/07/2000US6144633 Self-healing network, method for transmission line switching thereof, and transmission equipment thereof
11/07/2000US6144464 Method and system for modification of fax data rate over wireless channels
11/07/2000CA2306191A1 Method and apparatus for controlling bit slippage in high-speed communications systems
11/06/2000WO2000069091A1 Pulsing the transmit mode for reducing the power when redundancy is involved in transmission
11/02/2000WO2000065864A1 Apparatus, and associated method, for selectively permitting initiation of cell reselection in a radio communication system
11/02/2000WO2000065794A1 Bs digital broadcasting receiver
11/02/2000WO2000065793A1 Line quality measuring instrument
11/02/2000WO2000065791A1 Gigabit ethernet with timing offsets between the twisted pairs
11/02/2000WO2000065787A1 Rate detection apparatus and method for variable rate speech encoding
11/02/2000WO2000065783A1 Routing device
11/02/2000WO2000065772A2 Phy control module for a multi-pair gigabit transceiver
11/02/2000WO2000065765A1 New method for checking the data
11/02/2000WO2000065764A1 Forward error correction scheme in a wireless system
11/02/2000WO2000065755A2 Quality control method for digital radio transmissions in the medium and short wave range
11/02/2000WO2000065726A1 Method and apparatus for error control
11/02/2000WO2000065446A1 A system and method employing a rate matching algorithm in a communication network
11/02/2000WO2000064373A1 Data transmission within a spread-spectrum communication system
11/02/2000EP1049334A1 Signal transmission system
11/02/2000EP1049304A1 Channel check test system
11/02/2000EP1049299A1 Method and apparatus for bandwidth management of aggregate data flows
11/02/2000EP1049284A2 Multiresolution transmission with multicarrier signals
11/02/2000EP1049283A2 Multiresolution transmission with multicarrier signals
11/02/2000EP1049282A2 Multiresolution modulation with multicarrier signals
11/02/2000EP1048155A2 Apparatus and method for determining the closest coset points in a trellis decoder
11/02/2000EP1048133A1 System and method for sharing a spare channel among two or more optical ring networks
11/02/2000EP0880742A4 Apparatus and method employing a window reset for excessive bit error rate alarm detection and clearing
11/02/2000DE19919900A1 Measuring bit error rate at receiver in Digital Video Broadcast transmission system involves switching off encoder, appending uncorrected, statistically distributed test bytes to test data stream
11/02/2000DE19918317A1 Data sequence comparison
11/02/2000DE19911179C1 Verfahren zur Adaption der Betriebsart eines Multi-Mode-Codecs an sich verändernde Funkbedingungen in einem CDMA-Mobilfunknetz Method for adapting the operation of a multi-mode codec to changing radio conditions in a CDMA cellular network
11/01/2000CN1272290A Method and apparatus for increasing data rate by reduction of training data
11/01/2000CN1272271A Transmission system for transmitting main signal and auxiliary signal
11/01/2000CN1272270A Method and apparatus for conveying data packets in packet data communication system
11/01/2000CN1272263A Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction
11/01/2000CN1272255A Transmission system with adaptive channel encoder and decoder
11/01/2000CN1272254A Transmission system having simplified channel decoder
11/01/2000CN1272251A Error protecting method and error protective device
10/2000
10/31/2000US6141787 Digital modulation and demodulation
10/31/2000US6141785 Error control method for multiparty multimedia communications
10/31/2000US6141784 Method and system in a data communications system for the retransmission of only an incorrectly transmitted portion of a data packet
10/31/2000US6141783 Error propagation limiting encoder/decoder for multilevel decision feedback equalization
10/31/2000US6141781 Process for editing of data, in particular with variable channel bit rate
10/31/2000US6141567 Apparatus and method for beamforming in a changing-interference environment
10/31/2000US6141392 Receive antenna selection method and diversity receiver
10/31/2000US6141391 System for improving the performance at low signal-to-noise ratios of receivers with Viterbi decoders
10/31/2000US6141388 Received signal quality determination method and systems for convolutionally encoded communication channels
10/31/2000US6141353 Subsequent frame variable data rate indication method for various variable data rate systems
10/31/2000US6141346 Point-to-multipoint transmission using subqueues
10/31/2000US6141320 Method and apparatus for nested automatic protection switching
10/31/2000CA2167745C Communication arrangement with improved echo and noise suppression in a channel containing quantization
10/30/2000CA2299022A1 Method and apparatus for bandwidth management of aggregate data flows
10/26/2000WO2000064213A1 Apparatus and method for providing high-penetration services in wireless communications system
10/26/2000WO2000064132A2 Predicting performance of telephone lines for data services
10/26/2000WO2000064131A2 Predicting performance of telephone lines for data services
10/26/2000WO2000064130A2 Determining the physical structure of subscriber lines
10/26/2000WO2000064090A1 Signal detector selector and method for selecting a detector
10/26/2000WO2000064073A1 Interleaver and deinterleaver for use in a diversity transmission communication system
10/26/2000WO2000064068A1 Jitter measurement system and method
10/26/2000WO2000064058A1 Encoder and decoder
10/26/2000WO2000064057A1 Segmentation mechanism for a block encoder
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