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)
06/1999
06/03/1999CA2254739A1 Automated master-slave connectivity dry loop isdn line
06/03/1999CA2254723A1 Interactive contextual-based assistance for portable isdn test set
06/02/1999EP0920164A2 Coding and modulation method and apparatus for its implementation
06/02/1999EP0920160A2 Transmission rate judgment method and apparatus
06/02/1999EP0920154A2 Method and circuit for selective and digital and serial transmission
06/02/1999EP0920144A2 Communication system for transmitting digital signals in a radio subscriber connection network
06/02/1999EP0920019A2 Method for cancelling abnormal synchronization signal
06/02/1999EP0919888A1 Data transfer apparatus
06/02/1999EP0919098A2 Transmission of digital signals by orthogonal frequency division multiplexing
06/02/1999EP0919086A1 Decoder utilizing soft information output to minimize error rates
06/02/1999EP0727068A4 Burst error corrector
06/02/1999EP0693241B1 Reliability-controlled data reception in receivers for tdma mobile radio systems
06/02/1999CN1218590A Process for transmitting data
06/02/1999CN1218358A Communication method, transmitter, receiver, and celluler radio communication system
06/02/1999CN1218343A Method for canceling abnormal synchronization signal
06/01/1999US5909470 Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
06/01/1999US5909469 Link adaptation method for links using modulation schemes that have different symbol rates
06/01/1999US5909454 Intermediate rate applications of punctured convolutional codes for 8PSK trellis modulation over satellite channels
06/01/1999US5909434 Bright and burst mode signaling data transmission in an adjustable rate wireless communication system
06/01/1999US5909427 Redundant switch system and method of operation
06/01/1999US5908476 Photopolymerization
06/01/1999CA2165815C Digital radio communication device
06/01/1999CA2132945C Method and apparatus for confirming delivery of files in a file broadcast system
05/1999
05/27/1999WO1999026386A1 Synchronization acquiring circuit
05/27/1999WO1999026375A2 Method of operating a digital data distribution network
05/27/1999WO1999026371A1 Method and apparatus for time efficient retransmission using symbol accumulation
05/27/1999WO1999026364A1 Method for improved wireless optical communication and frames for use in a wireless optical communication system
05/27/1999WO1999026152A2 Method and dedicated frame buffer for loop initialization and responses
05/27/1999WO1999026151A1 Method and dedicated frame buffers for receiving frames
05/27/1999WO1999026137A1 Method and apparatus for using crc for data integrity in on-chip memory
05/27/1999WO1999004507A3 Method and system for controlling the use of satellite transmission capacity in terrestrial networks
05/27/1999DE19752031A1 Method of selective digital serial communications of bit sequences
05/26/1999EP0918422A2 Method for reallocating data in a discrete multi-tone communication system
05/26/1999EP0917777A1 Method, apparatus and packet transmission system using error correction of data packets
05/26/1999EP0671082B1 Dot product circuit for multipath receivers
05/26/1999CN1217860A Method and apparatus for compressing and transmitting high-speed data
05/26/1999CN1217838A Data communications systems and methods using interspersed error detection bits
05/26/1999CN1217837A Serial estimating method
05/26/1999CN1217613A Network interface long structure for checking and filtering internet work agreement bag and method therefor
05/26/1999CN1217611A Incident-power control method for personal portable communication system
05/26/1999CA2254653A1 Transmission rate judgment method and apparatus
05/25/1999US5907809 In a radiocommunication system
05/25/1999US5907586 Method and device for signal decision, receiver and channel condition estimating method for a coding communication system
05/25/1999US5907583 Receiving apparatus, transmitting/receiving apparatus, and communicating method
05/25/1999US5907582 System for turbo-coded satellite digital audio broadcasting
05/25/1999US5907566 Continuous byte-stream encoder/decoder using frequency increase and cyclic redundancy check
05/25/1999US5907565 Cyclic trellis coded modulation
05/25/1999US5907563 Error control method and apparatus for wireless data communication
05/25/1999US5907560 Method for interleaving data frames, forward error correcting device and modulator including such a device
05/25/1999US5907546 Method and apparatus for selectively transmitting packets of message data to a remote communication station
05/25/1999US5907303 System for synthesizing signals from multiple antennas
05/25/1999CA2140851C Transmitting and receiving apparatus and method including punctured convolutional encoding and decoding
05/25/1999CA2084034C Adaptive receiver apparatus
05/25/1999CA2037527C Error correction system capable of correcting an error in a packet header by the use of a reed-solomon code
05/20/1999WO1999025089A1 Data transmission process and device in a digital transmission system with arq
05/20/1999WO1999025088A1 Method for assigning optimal packet lengths in a variable rate communication system
05/20/1999WO1999025085A1 Method and apparatus for performing service level analysis of communications network performance metrics
05/20/1999WO1999011014A3 Defining quality of transmission in a transmission system
05/20/1999WO1999009695A3 Method for eliminating interference in a bipolar data stream and circuitry for implementing said method
05/20/1999WO1999009694A3 Reed-solomon decoder and vlsi implementation thereof
05/20/1999WO1998058496A3 Transmission of digital signals by orthogonal frequency division multiplexing
05/20/1999EP0919098A3 Transmission of digital signals by orthogonal frequency division multiplexing
05/20/1999DE19750035A1 Data reduction process
05/19/1999EP0917294A1 Digital transmission system, decoder, and decoding method
05/19/1999EP0916207A1 A method of and system for synchronously communicating data to a network having a reference clock signal
05/19/1999EP0916206A1 Process and device for evaluating the quality of a transmitted voice signal
05/19/1999EP0916205A1 Method for detecting data errors
05/19/1999EP0916196A1 Method for determining connection quality, and a receiver
05/19/1999CN1217112A Effective bypass of error control decoder in a digital radio system for testing or upgrading existing equipment
05/19/1999CN1216881A DS-CDMA receiver and forward link diversity method
05/18/1999US5905945 Method and apparatus for improving the reliability of communicating a message from a portable subscriber unit to a base receiver in a two-way radio messaging system
05/18/1999US5905767 Timing recovery apparatus and a diversity communication apparatus using the same
05/18/1999US5905756 Byte sequencing protocol for an asynchronous data transmission system
05/18/1999US5905742 Method and apparauts for symbol decoding
05/18/1999US5905741 Data error correcting method for digital signal frames and apparatus used in the method
05/18/1999US5905729 Mapping a data cell in a communication switch
05/18/1999CA2252325A1 Method and device for generating a frame check sequence
05/14/1999WO1999023844A2 Method and apparatus for high rate packet data transmission
05/14/1999WO1999023820A1 Link adapter interface for upgrading existing satellite communication system for enhanced modulation and coding
05/14/1999WO1999023798A1 Time-varying trellis coded psk
05/14/1999WO1999023782A2 Communications methods and apparatus
05/14/1999WO1999023779A2 Composite trellis system and method
05/14/1999WO1999023775A1 Telecommunications multiplexer
05/14/1999WO1999023766A2 Maximum likelihood detection of concatenated space-time codes for wireless applications with transmitter diversity
05/14/1999WO1999023762A1 Reconfigurable radio system architecture
05/14/1999WO1999023761A1 A field programmable radio frequency communications equipment including a configurable if circuit and method therefor
05/14/1999WO1999023760A1 Receiver for a reconfigurable radio system and method therefor
05/14/1999WO1999014973A3 Adaptive radio link
05/14/1999WO1999013609A3 10/100 mbps automatic protocol selection mechanism for lan network
05/14/1999WO1999004539A3 Communication method and system
05/14/1999WO1998054850A3 Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction
05/14/1999CA2308194A1 Time-varying trellis coded psk
05/14/1999CA2306900A1 Telecommunications multiplexer
05/14/1999CA2306846A1 Reconfigurable radio system architecture
05/14/1999CA2306842A1 Receiver for a reconfigurable radio system and method therefor
05/14/1999CA2306835A1 A field programmable radio frequency communications equipment including a configurable if circuit and method therefor
05/12/1999EP0915629A2 Communication terminal device, cellular radio communication system, and information communication method
05/12/1999EP0915574A1 Power line communication system
05/12/1999EP0624275B1 Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors
05/12/1999CN1216653A Encoder and decoder
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