| Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402) |
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| 05/05/1992 | US5111460 Process for the localization of defective stations in local networks and associated interface controller |
| 05/05/1992 | US5111298 Method and apparatus for communication channel identification and signal restoration |
| 05/05/1992 | CA1300232C Hf radio communications system with frequency management |
| 05/01/1992 | WO1992008298A1 Channel equalisation in particular for fading channels |
| 04/30/1992 | WO1992007435A1 Digital audio broadcasting system |
| 04/30/1992 | DE4034017A1 Verfahren zum erkennen von fehlern bei der uebertragung von frequenzcodierten digitalen signalen A method of detecting errors in transmission of frequency-encoded digital signals, |
| 04/29/1992 | EP0482963A2 Error display system |
| 04/28/1992 | USRE33900 Error monitoring in digital transmission systems |
| 04/28/1992 | US5109543 Hardware interface and protocol for a mobile radio transceiver |
| 04/28/1992 | US5109392 Diversity receiver arrangement for digital signals |
| 04/28/1992 | US5109390 Diversity receiver in a cdma cellular telephone system |
| 04/28/1992 | US5109384 Guaranteed reliable broadcast network |
| 04/28/1992 | CA1299751C Digital audio companding and error conditioning |
| 04/28/1992 | CA1299665C Space diversity microwave transmission system receiver |
| 04/28/1992 | CA1299664C Space diversity microwave transmission system receiver having a diversity combiner |
| 04/28/1992 | CA1299656C Protection against loss or corruption of data upon switchover of a replicated system |
| 04/22/1992 | EP0481549A1 Coding/decoding system and method for digital signals transmitted by coded modulation |
| 04/22/1992 | CN1016393B Path protection |
| 04/22/1992 | CN1016392B Tdm data transmission system |
| 04/21/1992 | US5107518 Lockup prevention method and apparatus |
| 04/15/1992 | EP0480507A2 Method and apparatus for communication channel identification and signal restoration by sending a test signal used for channel impulse response calculation |
| 04/15/1992 | EP0480506A1 TDM - information transmission system with a variable structure |
| 04/15/1992 | EP0480502A2 Cable network and modem apparatus for such a network |
| 04/14/1992 | US5105442 Coded modulation with unequal error protection |
| 04/14/1992 | US5105423 Digital transmission device having an error correction mode and method for shifting down a data transmission rate |
| 04/11/1992 | WO1992007438A1 Network traffic management |
| 04/10/1992 | CA2052906A1 System for modulating/demodulating digital signals transmitted with encoded modulation |
| 04/09/1992 | DE4031241A1 Digital signal transmission system with switchable substitute path - performs multistep switching to this path from manually switched channel or one having excessive error rate |
| 04/07/1992 | US5103459 System and method for generating signal waveforms in a cdma cellular telephone system |
| 04/02/1992 | WO1992005647A1 Sequence synchronisation |
| 04/02/1992 | WO1992001346A3 Multimedia high speed network |
| 04/01/1992 | EP0371035A4 Method for error correction in digitally encoded speech |
| 03/25/1992 | EP0477158A2 Diversity receiving system |
| 03/25/1992 | EP0476127A1 Integrated cellular communications system. |
| 03/25/1992 | CN1059813A Channel switching system |
| 03/24/1992 | US5099500 Symbol detection and error correction coding in a local area network |
| 03/24/1992 | US5099499 Method of generating quality factors for binary digits obtained in the viterbi-analysis of a signal |
| 03/17/1992 | US5097507 Fading bit error protection for digital cellular multi-pulse speech coder |
| 03/17/1992 | CA1297599C Modem communication system having main and secondary channels |
| 03/12/1992 | DE4027496A1 Data spreading for coded digital information transmission system - using similar matrix at transmission and reception ends with line write-in and column read=out |
| 03/11/1992 | EP0474384A2 Method and apparatus for isolating faults in a network having serially connected links |
| 03/11/1992 | EP0474241A2 HDB3 Code violation detector |
| 03/11/1992 | EP0473869A1 Method of automatic reemission of a message after reception with errors |
| 03/11/1992 | EP0394313A4 Paging terminal apparatus with message storage and retransmission capability and method therefor |
| 03/10/1992 | US5095482 Method of and apparatus of individually monitoring transmission sections of a communications transmission link |
| 03/05/1992 | WO1992003879A1 Method of recovering lost bits in digital transmission |
| 03/05/1992 | DE4025621A1 Secure video digital signal value ATM network transmission - grouping into data matrices with constant line numbers and variable number of packets |
| 03/04/1992 | EP0473102A2 Data communication system with checksum calculating means |
| 03/04/1992 | CN1059240A Communication signal having time domain dilat component |
| 03/03/1992 | US5093842 Mechanism for estimating Es/No from pseudo error measurements |
| 03/01/1992 | CA2050099A1 Checksum calculation unit and method for error detection on data packets |
| 02/26/1992 | EP0472511A2 Handoff of a mobile station between half rate and full rate channels |
| 02/26/1992 | EP0472175A2 Bit error ratio detector |
| 02/26/1992 | EP0472161A1 Pattern synchronizing circuit and method |
| 02/25/1992 | US5091902 Telecommunications transmission security arrangement |
| 02/20/1992 | WO1992002998A1 Dynamic encoding rate control minimizes traffic congestion in a packet network |
| 02/19/1992 | EP0471380A1 ATM switch |
| 02/19/1992 | EP0471085A1 Error-correcting encoding and decoding method and system using a product code and a superimposed code |
| 02/19/1992 | EP0290541B1 Hf radio communications system with frequency management |
| 02/19/1992 | CN1015535B Testing apparatus in elevators |
| 02/17/1992 | CA2049243A1 Error detection encoding system |
| 02/12/1992 | EP0470451A2 Implementation of the high-level data link control cyclic redundancy check (HDLC CRC) calculation |
| 02/12/1992 | EP0470320A1 Mechanism for performing the steady state and error recovery functions of a communication protocol |
| 02/11/1992 | US5088113 Diversity coded modulation |
| 02/11/1992 | CA1295741C Modem and method using multidimensional coded modulation |
| 02/06/1992 | WO1992002084A1 Multi-level radio-frequency communication system |
| 02/05/1992 | EP0469669A2 Digital transmission system with regenerator for error transmission |
| 02/04/1992 | US5086506 Radio trunking fault detection system with power output monitoring and on-air monitoring |
| 02/04/1992 | CA1295432C Method and a system for coding and decoding data for transmission |
| 02/04/1992 | CA1295422C Method for distinguishing between successively arrived messages and a pager incorporating the method |
| 01/28/1992 | US5084900 Spread spectrum system with random code retransmission |
| 01/28/1992 | US5084891 Technique for jointly performing bit synchronization and error detection in a TDM/TDMA system |
| 01/28/1992 | US5084877 High speed transport protocol |
| 01/27/1992 | WO1992002092A1 Coded qam system |
| 01/26/1992 | CA2066587A1 Multi-level radio-frequency communication system |
| 01/22/1992 | EP0467330A2 Signalling data receiving and processing unit provided in a broadband integrated services digital network |
| 01/22/1992 | EP0290525B1 Data transmission system with automatic repeat request |
| 01/18/1992 | CA2047120A1 Signaling data receiving and processing unit provided in a broadband integrated services digital network |
| 01/15/1992 | EP0466224A1 A method and device for supervising and testing majority voting |
| 01/15/1992 | EP0465782A1 Convolutionally-encoded quadrature frequency-modulation system |
| 01/15/1992 | EP0146632B1 Majority circuit |
| 01/14/1992 | WO1992001252A1 Error protection for vlc coded data |
| 01/14/1992 | US5081666 Method for measuring the bit error rate in the transmission of digital information |
| 01/14/1992 | US5081651 Maximum likelihood sequence estimation apparatus |
| 01/14/1992 | US5081628 Cordless keyboard |
| 01/14/1992 | US5081619 Digital signal multiplex communication system having signal path monitoring function |
| 01/14/1992 | CA2046840A1 Method and apparatus for detecting pseudo noise pattern for remote loopback test |
| 01/14/1992 | CA1294332C Method for formatting an answer signal in data transmission |
| 01/11/1992 | WO1992001357A1 A method and a device for supervising and testing majority voting |
| 01/09/1992 | WO1992000639A1 System and method for generating signal waveforms in a cdma cellular telephone system |
| 01/09/1992 | DE4021361A1 Redundant data transmission system - performs fault detection by checking received data for switching to different transmission line |
| 01/09/1992 | DE4014766A1 Digital transmission path quality parameter evaluation system |
| 01/08/1992 | EP0465428A2 Digital modulated signal demodulator/decoder apparatus |
| 01/08/1992 | EP0465144A2 Method and apparatus for interleaving symbols in a cellular transmission channel |
| 01/07/1992 | US5079771 Bit and symbol timing recovery for sequential decoders |
| 01/02/1992 | EP0464014A2 Communications systems using a fault tolerant protocol |
| 01/02/1992 | EP0463808A2 Switching of a digital signal to an alternate channel transmitted via a different route |
| 12/31/1991 | US5077670 System and method applicable to vehicles for communicating between data processing stations |
| 12/30/1991 | CA2044051A1 System and method for error detection and reducing simultaneous switching noise |
| 12/27/1991 | EP0462654A1 Method to control a threshold decoder for a multilevel signal and television receiver with such a decoder |