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)
10/1996
10/17/1996CA2213276A1 Data network switch with fault tolerance
10/16/1996EP0738064A2 Modulation and demodulation method, modulator and demodulator
10/16/1996EP0738056A2 Method and apparatus for wireless data transmission on periodically disturbed transmission channels
10/16/1996EP0737390A1 Device for establishing cell boundaries in a bit stream and crc calculation
10/16/1996EP0737389A1 Transmission system with soft output decoding and reduced storage capacity requirement
10/16/1996EP0737386A1 Method and system for data communication, using a m-ary modulation scheme and inleaving means
10/16/1996EP0737384A1 Digital transmission and recording system with simple error correction
10/16/1996EP0737380A1 A wireless digital synchronized diversity receiver
10/16/1996CN1133661A Method and apparatus for the transmission of variable rate digital data
10/16/1996CN1133660A Multirate serial viterbi decoder for code division multiple access system applications
10/16/1996CN1133659A Variable rate signal transmission in a spread spectrum communication system using coset coding
10/15/1996US5566206 Method and apparatus for determining data rate of transmitted variable rate data in a communications receiver
10/15/1996US5566193 Method and apparatus for detecting and preventing the communication of bit errors on a high performance serial data link
10/15/1996US5566191 Soft decision maximum likelihood decoding method with adaptive metric
10/15/1996US5566189 Method and device for puncturing data
10/15/1996US5566183 For recording elements of an interleaved digital data sequence
10/14/1996CA2147087A1 Method and apparatus for correcting and decoding a sequence of branches representing encoded data bits into estimated information bits
10/10/1996WO1996031963A1 Atv/mpeg sync system
10/10/1996WO1996031952A1 Data transmission system, data recording and reproducing apparatus and recording medium each having data structure of error correcting code
10/10/1996WO1996031942A1 Multiple access up converter/modulator and method
10/10/1996WO1996031881A1 Recording medium, data transmission method and apparatus, and data reproduction method and apparatus
10/10/1996WO1996027183A3 Processing speech coding parameters in a telecommunication system
10/10/1996WO1996025802A3 System, transmitting and receiving circuitry for serially transmitting and serially receiving encoded information and method of operation
10/10/1996WO1996016483A3 A system for decoding digital data using a variable decision depth
10/10/1996DE19612715A1 Dekoder und zugehöriges Verfahren Decoder and associated method
10/10/1996DE19513315A1 Segmented Ethernet (RTM) bus system for redundant networking of single-port stations
10/09/1996EP0736979A2 Fast fading packet diversity transmission method and system
10/09/1996EP0736858A2 Mobile communication equipment
10/09/1996EP0555289B1 Channel equalisation in particular for fading channels
10/09/1996CN1133108A Protection switching apparatus and method
10/08/1996US5563921 Jitter detection apparatus using double-PLL structure
10/08/1996US5563897 Method for detecting information bits processed by concatenated block codes
10/08/1996US5563895 Digital mobil E radio communication system
10/08/1996US5563893 System for determining the loss of an incoming digital signal
10/08/1996US5563887 Transmission error correction code appending device which can regulate a maximum delay of an interleaver in a variable bit rate video coding system
10/06/1996CA2173399A1 Mobile communication equipment
10/03/1996WO1996031081A1 Window comparator
10/03/1996WO1996031040A2 Data communication method and apparatus
10/03/1996WO1996031039A1 Testing device for gmsk communication device
10/03/1996WO1996031020A1 Optimizing packet size to eliminate effects of reception nulls
10/03/1996WO1996030841A1 Method and system for remote procedure call via an unreliable communication channel using multiple retransmission timers
10/03/1996CA2215530A1 Optimizing packet size to eliminate effects of reception nulls
10/03/1996CA2213753A1 Data communication method and apparatus
10/02/1996EP0735774A2 Transmission method and system for JPEG-coded images
10/02/1996EP0735729A1 5B4T coding scheme
10/02/1996EP0735712A2 Multicarrier modulation receiver using remodulation
10/02/1996EP0735711A1 Method and apparatus for modifying a frame check sequence (FCS)
10/02/1996EP0735701A2 Switched antenna diversity transmission method and system using ARQ techniques
10/02/1996EP0735696A2 Iterative decoding method, decoding module and decoder therefor
10/02/1996EP0735381A2 Method and communication system for data transmission between two stations
10/02/1996DE19517393C1 Mobile communications system radio channel testing system
10/02/1996DE19511250A1 Redundancy optimised line network for ATM cells and SDH containers
10/02/1996CN1132453A Interleaver for mobile communication systems
10/02/1996CN1132426A Information communication system of multi-complex coding CDMA form
10/01/1996US5561766 Cross-connecting system for making line connections between high-speed lines and low-speed lines and between high-speed lines and capable of detecting a line-connection error
10/01/1996US5561673 Antenna switched diversity reciever
10/01/1996US5561661 Method for synchronizing redundantly transmitted message cell streams
09/1996
09/26/1996WO1996029789A1 Process for monitoring the quantisation quality in digital radio or television transmission systems
09/26/1996WO1996024995A3 Method of communication channel monitoring using parity bits
09/26/1996WO1996024098A3 Circuit arrangement comprising a permutation unit and method of processing a batch of items
09/26/1996DE19509601A1 Data signal equalisation for receiver in mobile communication system
09/25/1996EP0733289A1 Optimization of transmitted pulse shape and receiver timing in digital system
09/25/1996EP0568550B1 Method of controlling a switching device
09/25/1996CN1132016A Communication system, base station, mobile station, and radio communications system
09/25/1996CN1132012A Selective diversity system
09/25/1996CN1131870A Trellis coded modulation employing lower dimension ality convolutional encoder
09/24/1996US5559838 Diversity receiving apparatus
09/24/1996US5559810 Communication of data reception history information
09/24/1996CA2065739C Method and apparatus for diversity reception of time-dispersed signals
09/19/1996WO1996028944A2 A two-way paging system and apparatus
09/19/1996WO1996028779A1 Method and apparatus for data encoding and communication over noisy media
09/19/1996DE19509117A1 Verfahren zur Überwachung der Übertragungsqualität digitalisierter Signale Method for monitoring the transmission quality of digitized signals
09/19/1996CA2213994A1 A two-way paging system and apparatus
09/18/1996EP0732832A1 Signal transmitter, signal receiver, and signal transmitting-receiving method
09/18/1996EP0732828A2 Redundancy optimised communication network for transmission of data signals
09/18/1996EP0732013A1 Multipath search processor for a spread spectrum multiple access communication system
09/18/1996EP0732009A1 A device and method for performing error detection on an interleaved signal portion, and a receiver and decoding method employing such error detection
09/18/1996CN1131488A Method for providing error correction using selective automatic repeat requests in packet-switched communication system
09/17/1996US5557639 Enhanced decoder for a radio telephone
09/17/1996US5557636 Method and system of operating redundant transmission line
09/17/1996US5557621 ATM switch and control method thereof
09/17/1996US5557612 Method and apparatus for establishing communication in a multi-tone data transmission system
09/17/1996US5557603 Radio communications apparatus with diversity
09/12/1996WO1996027975A1 Facsimile transmission in a mobile communication system
09/12/1996WO1996027963A2 Method and apparatus to improve pstn access to wireless subscribers using a low bit rate system
09/12/1996WO1996027962A2 Error protected multichannel digital data transmission system and method having graceful degration quality through multi-resolution, and transmitter station and receiver station for use in such system
09/12/1996WO1996027959A1 High-speed data transmission in mobile communication networks
09/11/1996EP0731587A2 Compensation of doppler errors, particular in cellular networks
09/11/1996EP0731585A1 Method and apparatus for performing signal reconstruction at the receiving end of a communication system
09/11/1996EP0731578A2 Packet communication system capable of rapidly confirming receipt of downward packet signals
09/11/1996EP0731577A1 Data transmission system using different bit rates
09/11/1996EP0731567A2 Maximum likelihood sequence estimator and maximum likelihood sequence estimating method
09/11/1996EP0731448A2 Frame erasure compensation techniques
09/11/1996EP0730797A1 Decoder for a non-coherently demodulated signal
09/11/1996EP0730795A1 Satellite receiver code rate switching apparatus
09/11/1996CN1130972A Data transmission method, base station, and subscriber terminal
09/11/1996CN1130964A Method and apparatus for determining transmission data rate in multi-user communication system
09/11/1996CN1130963A Method and apparatus for controlling power in variable rate communication system
09/11/1996CN1130851A Transmission power control method and apparatus for mobile communications using CDMA (code division multiple access) system
09/11/1996CN1130832A Soft decision digital communication method and apparatus
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