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)
09/1998
09/22/1998CA2063493C External apparatus for monitoring a communication system
09/17/1998WO1998040972A2 Code division multiple access communication system
09/17/1998WO1998040971A1 Multichannel viterbi decoder
09/17/1998WO1998033346A3 Method for control channel range extension in a cellular radio system, and a cellular radio system
09/17/1998WO1998032263A3 High-data-rate supplemental channel for CDMA telecommunications system
09/17/1998WO1998025384A3 A method for trellis coding a logarithmic distribution of constellation points
09/17/1998WO1998019408A3 Single-chip dbs receiver
09/17/1998DE19744021A1 Wireless data transmission simulation method
09/16/1998EP0865178A2 Apparatus for providing error correction data in a digital transfer system
09/16/1998EP0865172A2 Method and apparatus for operating an indoor CDMA telecommunications system
09/16/1998EP0864205A1 A method and an arrangement for making fixed length codes
09/16/1998EP0864125A1 Data integrity and cross-check code with logical block address
09/16/1998CN1193433A Communication channel monitoring method using parity check pit
09/16/1998CN1193432A Method of re-sending incorrectly transmitted data
09/16/1998CN1193240A Detection-digital-signal processor in digital videl-disk reproducing device
09/15/1998US5809341 Circuit for transmitting received character when detection signal is not activated and transmitting substitute character when the detection signal is activated
09/15/1998US5809148 Decryption of retransmitted data in an encrypted communication system
09/15/1998US5809089 Receiving unit, soft information data processor and decoding method thereof used for a code division multiple access system
09/15/1998US5809081 System and method for encoding data such that after precoding the data has a pre-selected parity structure
09/15/1998US5809067 Wireless packet data communications modem and method of use therein
09/15/1998US5809065 Method and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortion
09/15/1998US5809042 Interleave type error correction method and apparatus
09/15/1998US5809031 Apparatus of stuff synchronization frame control
09/15/1998US5809020 Method for adaptively adjusting weighting coefficients in a cDMA radio receiver
09/15/1998US5809013 Message packet management in a wireless security system
09/15/1998CA2064541C Cycling error count for link maintenance
09/15/1998CA2062841C Apparatus and method for non-stop switching in asynchronous transfer mode
09/14/1998CA2229720A1 Apparatus for providing error correction data in a digital data transfer system
09/11/1998WO1998039848A1 Serial estimating method
09/11/1998WO1998033291A3 Method to control a switching unit and an arrangement working according to the method
09/10/1998DE19708856A1 Digital component test method for broadband communication
09/09/1998EP0863682A1 Mobile communication system
09/09/1998EP0863621A1 Communication method implemented in a trunked transmission system
09/09/1998EP0863620A2 Diversity circuit
09/09/1998EP0809896A4 Reliable atm microwave link and network
09/09/1998EP0795212A4 Burst-error resistant atm microwave link and network
09/09/1998EP0587792B1 Battery saver for a communication device
09/08/1998US5805980 Communication receiver for controlling a receive operation in response to a control value
09/08/1998US5805807 Multilevel data communication system including local and host systems
09/08/1998US5805799 Data integrity and cross-check code with logical block address
09/08/1998US5805669 Rate adaptaptive subscriber line ("RADSL") modem and method of operation
09/08/1998US5805614 Dynamic switch organization
09/08/1998US5805613 Methods for efficient bounded-distance decoding of the Hexacode and associated decoders for the Leech Lattice and the Golay code
09/08/1998US5805612 Radio communication system
09/08/1998US5805571 Dynamic communication line analyzer apparatus and method
09/08/1998US5805301 Facsimile transmission in a mobile communication system
09/04/1998CA2230932A1 Diversity circuit
09/03/1998WO1998038769A2 Frame alignment of test signals in a communication system
09/03/1998WO1998038764A1 Frame-error detection method and device for error masking, specially in gsm transmissions
09/03/1998WO1998038763A1 Method and apparatus for adaptive rate communication system
09/03/1998WO1998038747A2 A reception method and a receiver
09/03/1998WO1998038746A2 A reception method and a receiver
09/03/1998WO1998019481A3 Method and apparatus for providing high speed data communications in a cellular environment
09/03/1998CA2228783A1 Communication process used in a shared resource transmission system
09/02/1998EP0862303A2 Electronic apparatus and control methods thereof
09/02/1998EP0862296A2 Data communication system and electronic control unit used therein
09/02/1998EP0862292A2 Method of detecting signal degradation fault conditions within sonet and SDH signals
09/02/1998EP0862289A2 Method for testing the clocklines and a device for implementing this method
09/02/1998EP0861538A1 High-penetration transmission method for a radiocommunication system
09/02/1998EP0861534A1 Instrument for test and measurement of atm network virtual connections
09/02/1998EP0861524A1 Transmission system with improved lock detection
09/02/1998CN1192304A Automatic power control system for a code division multiple access (CDMA) communication system
09/02/1998CN1192087A Error indicator, and data modulator-demodulator and indicating method of light emitter therein
09/01/1998US5802241 Communication system
09/01/1998US5802105 Method and apparatus for testing a digital communication channel
09/01/1998US5802082 Method and device for measuring cell propagation time in ATM networks
09/01/1998US5802076 Audio error mitigation technique for a TDMA communication system
09/01/1998US5802039 Mobile radio communication apparatus with synchronized reception recovering function
09/01/1998CA2096912C Error detecting method and apparatus for data communications
09/01/1998CA2081505C Packet framer
08/1998
08/27/1998WO1998037713A2 Support of multiple modulation levels for a cellular packet control channel
08/27/1998WO1998037670A1 A system and method for improving transport protocol performance in communication networks having lossy links
08/27/1998WO1998037660A1 Automatic repeat request data communications method and apparatus
08/27/1998WO1998037650A2 Transmit/receive compensation in a discrete multitone spread spectrum system
08/27/1998WO1998037647A2 Method to gain access to a base station in a discrete multitone spread spectrum communications system
08/27/1998WO1998037594A2 Method to gain access to a base station in a discrete multitone spread spectrum communications system
08/27/1998WO1998019410A3 Single chip vlsi implementation of a digital receiver employing orthogonal frequency division multiplexing
08/27/1998DE19707668A1 Method of testing of communication paths in digital communication networks
08/27/1998DE19707410A1 Operating method for parallel signal separation networks
08/27/1998DE19706405A1 Delay time adjustment method for several channels
08/27/1998DE19702269A1 Information transmission reliability test method especially for motor vehicle
08/26/1998EP0860999A1 Information transmitting method, encoder/decoder of information transmitting system using the method, and encoding multiplexer/decoding inverse multiplexer
08/26/1998EP0860964A2 Differential detector with error correcting function
08/26/1998EP0860826A2 PRML system with reduced complexity maximum likelihood detector
08/26/1998EP0860071A1 System and method for multiplexing a spread spectrum communication system
08/26/1998EP0860063A2 Method for the characterization of transfer errors occurring on a digital message transmission route
08/26/1998EP0860017A1 Loosely coupled mass storage computer cluster
08/26/1998EP0636001B1 Process and apparatus for manufacturing shaped confectionery products
08/26/1998CN1191437A 自动交换系统 Automatic switching system
08/26/1998CA2228318A1 Method of testing clock paths and network elements for carrying out the method
08/25/1998US5799242 Communication control unit for mobile communication systems and the like, including a channel quality detection unit, a quality decision unit and a control unit
08/25/1998US5799039 Method and apparatus for error mitigating a received communication signal
08/25/1998US5799038 Method for measuring modulation parameters of digital quadrature-modulated signal
08/25/1998US5799033 Method of error protected transmission, method of error protected reception of data and transmission system for transmission of data
08/25/1998US5799023 Message receiver
08/25/1998US5799013 Method of processing a sequential signal
08/25/1998US5799012 In a two-way wireless communication system
08/25/1998US5799010 Code division multiple access (CDMA) communication system
08/25/1998CA2094193C Method and apparatus for providing time diversity
08/20/1998WO1998036609A1 Performance monitoring of an atm network
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