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)
08/1996
08/01/1996WO1996023360A2 A digital communication system having a punctured convolutional coding system and method
08/01/1996WO1996013914A3 Sectorized communication system and methods useful therefor
08/01/1996DE19601836A1 Monitoring serial data transmission on two parallel data lines between communicating signal processing devices
08/01/1996DE19601835A1 Monitoring serial data communications between signal processing equipment, esp. in a motor vehicle
08/01/1996CA2210867A1 A digital communication system having a punctured convolutional coding system and method
07/1996
07/30/1996US5541963 Diversity receiving apparatus
07/30/1996US5541962 Transmission timing adjusting device
07/30/1996US5541956 Adaptive equalizer and adaptive diversity equalizer
07/30/1996US5541955 Adaptive data rate modem
07/30/1996US5541939 Error correction code decoder and a method thereof
07/30/1996US5541937 Apparatus for uniformly correcting erasure and error of received word by using a common polynomial
07/25/1996WO1996022641A2 Network multicasting method using arq techniques for preventing unnecessary retransmissions
07/25/1996WO1996022639A1 Method and apparatus for the formatting of data for transmission
07/24/1996EP0722638A1 Control and communications apparatus
07/24/1996EP0722637A1 Protection switching apparatus and method
07/24/1996EP0722634A1 Method and apparatus for speech transmission in a mobile communications system
07/23/1996US5539781 Combining diversity apparatus with squelch function
07/23/1996US5539780 Computationally efficient data decoder and method used therein
07/23/1996US5539774 Dual decision equalization method and device
07/23/1996US5539757 Error correction systems with modified Viterbi decoding
07/23/1996US5539756 Method to ensure data integrity in a telecommunications network
07/23/1996US5539755 Method and apparatus for decoding an error protected block of extended data
07/23/1996US5539749 Method for merging data streams
07/23/1996US5539748 Enhanced sleep mode in radiocommunication systems
07/23/1996US5539726 Back-up system for partially backing up information signals
07/23/1996US5539194 Modular hand-held data entry system
07/23/1996US5539193 Modular hand-held data entry system
07/18/1996WO1996021980A1 Method and apparatus for encoding and decoding information in a digital communication system
07/17/1996EP0722234A1 Selective diversity system
07/17/1996EP0722227A1 Spread spectrum diversity transmitter/receiver
07/17/1996EP0721715A1 Multiple antenna home base for digital cordless telephones
07/17/1996EP0721714A1 Method of and system for communicating messages
07/17/1996EP0721704A1 Method and apparatus for controlling power in a variable rate communication system
07/17/1996EP0627140B1 Testing of a data-transmission line using dual cross-correlation to assess the number of defective bits
07/16/1996US5537445 Method of operating a digital communication system
07/16/1996US5537439 Decision directed algorithm control method
07/16/1996US5537428 In a telecommunication system
07/16/1996US5537416 Buffer allocation to repeated information blocks in data transmission, particularly video transmission
07/16/1996US5537410 Subsequent frame variable data rate indication method
07/16/1996US5537407 Watch pager system and communication protocol
07/16/1996US5537105 Interrogator for identifying a prescribed source
07/11/1996WO1996021305A1 Multiple access digital transmitter and receiver
07/11/1996WO1996021304A2 Combating signal interference in digital transmission
07/11/1996WO1996021293A1 Method for the dynamic reconfiguration of a time-interleaved signal, and corresponding receiver and signal
07/11/1996WO1996021292A1 Wideband frequency signal digitizer and method
07/11/1996WO1996021288A1 Multi-channel digital transceiver and method
07/11/1996WO1996021280A1 Split frequency band signal digitizer and method
07/10/1996EP0721267A2 Schema for error control on ATM adaption layer in ATM networks
07/10/1996EP0720797A1 Multirate serial viterbi decoder for code division multiple access system applications
07/10/1996EP0720792A1 Method and apparatus for selectively-enabled diversity signaling in a radio communications system
07/10/1996CN1126400A A signaling protocol for a noisy communications channel
07/10/1996CN1126397A Error-correcting encoder, error-correcting decoder and data transmitting system with error-correctincodes
07/09/1996US5535373 Protocol-to-protocol translator for interfacing disparate serial network nodes to a common parallel switching network
07/09/1996US5535331 Data processing device
07/09/1996US5535248 Digital radio communication system
07/09/1996US5535239 Data burst randomizer
07/09/1996US5535229 Digital data transfer system for use especially with advertisement insertion systems
07/09/1996US5535221 Frame length control in data transmission using ATM network
07/09/1996US5535220 Forward error correcting transmitter and receiver
07/09/1996US5535205 Cell station and personal stations in a digital radio communication system
07/09/1996US5535191 Method and apparatus for switching between redundant hardware in a wireless data communication system
07/09/1996US5534828 Digitized quadrature modulator
07/09/1996CA2060413C Interfering signal detection method and device for a digital data demodulator
07/09/1996CA1338447C Information distribution system
07/04/1996WO1996020546A1 Digital transmission system with an improved decoder in the receiver
07/04/1996WO1996020537A1 De-interleaving and buffering in one memory
07/04/1996WO1996020536A1 Interleaving with low-speed memory
07/03/1996EP0720337A2 Method for highly reliable and consistent message communication
07/03/1996EP0513232B1 Method of error recovery in a data communication system
07/03/1996CN1126011A A method of forward error correction
07/03/1996CN1126005A Error correctable data transmission method and device based on semi-cyclic codes
07/02/1996US5533095 Data transfer system
07/02/1996US5533071 Error tracking loop incorporating simplified cosine look-up table
07/02/1996US5533070 Simplified complex multiplier in error tracking loop
07/02/1996US5533065 Method of operating a digital communications system
07/02/1996US5533055 Carrier to interference ratio measurement
07/02/1996US5533039 Fault tolerant fiber optic protocol for determining beginning of data
07/02/1996US5533034 High speed data transfer device having improved efficiency
07/02/1996US5533033 Device for and method of correcting errors in formatted modem transmissions
07/02/1996US5533014 Non-continuous transmission for seamless handover in DS-CDMA systems
07/02/1996US5533005 Dual connections
07/02/1996US5533004 Method for providing and selecting amongst multiple data rates in a time division multiplexed system
07/02/1996CA2050852C Hdb3 (high density bipolar of order 3) code violation detector
06/1996
06/27/1996WO1996019879A1 Method and apparatus for using walsh shift keying in a spread spectrum communication system
06/27/1996DE4446558A1 Digitales Übertragungssystem mit verbessertem Decoder im Empfänger Digital transmission system with improved decoder in the receiver
06/26/1996EP0719003A2 Frequency hopped cellular mobile radio system combining OFDM and frequency hopping
06/26/1996EP0719000A1 Method and apparatus for testing communication systems using recorded test message frames
06/26/1996EP0718999A2 Data transmission method and device simultaneously improving error protection and data integrity
06/26/1996EP0717913A1 Data transmission method, base station, and subscriber terminal
06/26/1996EP0717893A1 Method and system for automatic optimization of data throughput using variable packet length and code parameters
06/26/1996EP0717891A1 Method and apparatus for determining the transmission data rate in a multi-user communication system
06/26/1996CN1125500A Digital radio communication equipment
06/26/1996CN1125498A Receiver for a direct sequence spread spectrum orthogonally encoded signal employing rake principle
06/25/1996US5530926 Method for operating a switched diversity RF receiver
06/25/1996US5530725 Diversity receiver for dispersive channels, combining reliability-weighed signals
06/25/1996US5530708 Error detection method using convolutional code and viterbi decoding
06/25/1996US5530619 Hand-held data capture system with interchangeable modules and side-mounted function key
06/20/1996WO1996019089A1 Communications system
06/20/1996WO1996019055A1 Ofdm with variable subcarrier allocation
06/20/1996WO1996019054A1 Digital transmission system for encoding and decoding attribute data into error checking symbols of main data
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