Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402) |
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08/19/1997 | US5659548 Communication control apparatus |
08/19/1997 | US5659546 Wideband frequency signal digitizer and method |
08/14/1997 | WO1997029611A1 A method and apparatus for determining an optimal communications channel without loss of channel messages on a current communications channel |
08/14/1997 | WO1997029559A1 A network protocol for wireless broadband-isdn using atm |
08/14/1997 | WO1997029550A1 Digital wireless speaker system |
08/14/1997 | WO1997029435A1 Parallel processor |
08/14/1997 | CA2244925A1 A network protocol for wireless broadband-isdn using atm |
08/14/1997 | CA2244191A1 Digital wireless speaker system |
08/13/1997 | EP0621998B1 Method and apparatus for the formatting of data for transmission |
08/13/1997 | CN1157073A Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems |
08/13/1997 | CN1157069A Wireless communication system for reliable communication between group of apparatuses |
08/13/1997 | CN1156931A Asynchronous multiport controlling method in single system of remote security administration system |
08/13/1997 | CN1156929A Error detection apparatus for in transmission system |
08/12/1997 | US5657464 Data transfer circuit for use with a base unit or a handset of a telephone system |
08/12/1997 | US5657420 Variable rate vocoder |
08/12/1997 | US5657419 Method for processing speech signal in speech processing system |
08/12/1997 | US5657358 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or plurality of RF channels |
08/12/1997 | US5657356 Control signal detection method with calibration error and subscriber unit therewith |
08/12/1997 | US5657354 Planar approximating method for computing the log-likelihood ratio optimal signal metric of each component code decoder in 8-PSK block coded modulation systems |
08/12/1997 | US5657346 Transmission line driver test integrity circuit |
08/12/1997 | US5657342 Adaptive data rate packet communication system |
08/12/1997 | US5657333 Method and apparatus for error-control coding in a digital data communication system |
08/12/1997 | US5657325 Transmitter and method for transmitting information packets with incremental redundancy |
08/12/1997 | US5657317 Hierarchical communication system using premises, peripheral and vehicular local area networking |
08/12/1997 | US5656646 Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids and their use |
08/06/1997 | EP0788262A2 Combined equalizer and decoder |
08/06/1997 | EP0788261A1 Signal quality detection in an equaliser/receiver for use in a baseband-two-wire-modem |
08/06/1997 | EP0788255A2 Radio telephone having burst error protected synchronisation |
08/06/1997 | EP0788254A2 Data structure, data communication method, apparatus and communication terminal apparatus |
08/06/1997 | EP0788242A1 Radio receivers and methods of operation |
08/06/1997 | EP0787386A2 Sectorized communication system and methods useful therefor |
08/06/1997 | EP0632911A4 Error detector circuit for receiver operative to receive discretely-encoded signals. |
08/06/1997 | CN1156369A Timing playback device and diversity communication device |
08/05/1997 | US5655215 For sending a message to a mobile station in a cellular communication system |
08/05/1997 | US5655068 Point-to-multipoint performance monitoring and failure isolation system |
08/05/1997 | US5654989 Method and apparatus for symbol timing tracking |
08/05/1997 | US5654695 Multi-function network |
07/31/1997 | WO1997027706A1 Channel quality management in a cable telephony system |
07/31/1997 | WO1997027686A1 A method for frame quality detection and a receiver |
07/31/1997 | WO1997027679A1 A method and arrangement for minimizing skew |
07/31/1997 | WO1997027550A2 Communication system with multicarrier telephony transport |
07/31/1997 | DE19615057C1 Distortion criterion derivation arrangement from demodulated quadrature amplitude signal |
07/31/1997 | CA2757542A1 Communication system with multicarrier telephony transport |
07/31/1997 | CA2757383A1 Communication system with multicarrier telephony transport |
07/31/1997 | CA2757201A1 Communication system with multicarrier telephony transport |
07/31/1997 | CA2690127A1 Communication system with multicarrier telephony transport |
07/31/1997 | CA2243975A1 A method and arrangement for minimizing skew |
07/30/1997 | EP0786880A2 Communication system and transmission station with error detection and retransmission |
07/30/1997 | EP0786183A1 Transmission system with improved symbol processing |
07/30/1997 | EP0786171A2 Concealment method and arrangement and reproducing apparatus provided with the concealment arrangement |
07/30/1997 | EP0786135A2 Method of and system for interleaving real-time files |
07/30/1997 | CN1155965A CDMA mobile communication method, system, and mobile station equipment |
07/30/1997 | CN1155950A Data transmission system, data recording and reproducing apparatus and recording medium each having data structure of error correcting code |
07/30/1997 | CN1155793A Dual mode radio subscriber unit having diversity receiver apparatus and method therefor |
07/30/1997 | CN1155792A Method for controlling diversity receiver apparatus in radio subscriber unit |
07/29/1997 | US5652760 Error rate measuring apparatus |
07/24/1997 | WO1997026767A1 Method and apparatus for transmitting an outbound message in a two-way messaging system |
07/24/1997 | WO1997026738A1 Process for the time managing of a multiplex bus according to norm arinc 629 |
07/24/1997 | WO1997026726A1 Method and system for communication over multiple channels in a spread spectrum communication system |
07/24/1997 | WO1997026709A1 Electronic messaging system and method |
07/24/1997 | DE19630391C1 Two-stage data detection method esp. for receiver in communication system |
07/23/1997 | EP0785644A1 Method and apparatus for data transmission between two stations |
07/23/1997 | EP0784893A1 Hierarchical communication system providing intelligent data, program and processing migration |
07/22/1997 | US5651027 Non-instantaneous disconnection switching system |
07/22/1997 | US5650999 Voice over data communication system |
07/17/1997 | WO1997025793A1 Data transmission method and equipment for encoding a signal |
07/17/1997 | WO1997025788A1 Robust method and apparatus enabling multi-mode wireless optical communication |
07/17/1997 | WO1997025786A1 Message fragmenting in a time diversity radio system |
07/17/1997 | WO1997025784A1 Ofdm system and ofdm apparatus |
07/17/1997 | WO1997025100A1 Adaptive, performance-optimizing communication system for communicating with an implanted medical device |
07/16/1997 | EP0783804A1 Multiple band radio |
07/16/1997 | CN1154755A Recording medium, data transmission method and apparatus, and data reproduction method and apparatus |
07/16/1997 | CN1154627A Device for correcting error of digital video machine by using 1 bit to erasing signals |
07/16/1997 | CN1154613A Data processing device for frequency-modulation multi-channel broadcast |
07/16/1997 | CN1154554A Method for recording (sending)/reproducing (receiving) data, apparatus thereof, and data recording medium |
07/15/1997 | US5648992 In a communications system |
07/15/1997 | US5648991 Sampling phase synchronizing apparatus and bidirectional maximum likelihood sequence estimation scheme therefore |
07/15/1997 | US5648986 Receiver in digital radio communication device with selective equalization |
07/15/1997 | US5648969 Reliable ATM microwave link and network |
07/15/1997 | US5648955 In a time division multiple access communication system |
07/10/1997 | WO1997024866A2 System and method for testing acoustic modems with semanticallly encoded waveforms |
07/10/1997 | WO1997024850A1 Method and apparatus for decoding an encoded signal |
07/10/1997 | WO1997024849A1 Method and apparatus for symbol decoding using a variable number of survivor paths |
07/10/1997 | WO1997024848A1 A method for identifying data transmission rate, and a receiver |
07/10/1997 | WO1997024843A2 Transmission acknowledge using sequence numbers |
07/10/1997 | WO1997024830A1 Routine testing parity maintenance |
07/10/1997 | WO1997024829A1 Concatenated error detection coding and packet numbering for hierarchical arq schemes |
07/10/1997 | WO1997024828A1 Multi-rate and multiple-modulation format data receiving apparatus and method of deinterleaving data |
07/10/1997 | WO1997024827A1 High-penetration transmission method for a radiocommunication system |
07/10/1997 | CA2240723A1 Routine testing parity maintenance |
07/09/1997 | EP0783218A2 QAM modulator using an array of QPSK modulators |
07/09/1997 | EP0782800A2 Detection of defective speech frames in a receiver of a digital speech communication system |
07/09/1997 | CN1154190A Non-transparent data transmission in a digital telecommunications system |
07/09/1997 | CN1154017A Digital radiocommunication receiver |
07/08/1997 | US5646935 Hierarchical quadrature frequency multiplex signal format and apparatus for transmission and reception thereof |
07/04/1997 | CA2192401A1 Receive antenna diversity for a packetized transmission system |
07/02/1997 | EP0782292A2 Receiver which ensures the proper separation of convolutionally encoded, multiplexed signals |
07/02/1997 | EP0782291A2 Information transmission system with a function to diagnose an information signal |
07/02/1997 | EP0782277A2 Speech frame disabling circuitry for protection against burst errors of interleaved TDMA frames |
07/02/1997 | EP0782275A2 Method and apparatus for eliminating interference using transmission delay and code multiplexing in digital radio system |