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)
09/1996
09/10/1996US5555507 Method for detecting non-linear behavior in a digital data transmission path to be examined
09/10/1996US5555276 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
09/10/1996US5555275 Multi-threshold and hierarchical television signal transmission system
09/10/1996US5555266 Method for reducing transmission delays in a packet transmission system
09/10/1996US5555257 Cellular/satellite communications system with improved frequency re-use
09/10/1996US5555248 Apparatus for detecting errors
09/10/1996CA2171406A1 Maximum likelihood sequence estimator and maximum likelihood sequence estimating method
09/06/1996WO1996027250A1 Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels
09/06/1996WO1996027243A1 Method and apparatus for adaptively selecting a communication strategy in a selective call radio communication system
09/06/1996WO1996027183A2 Processing speech coding parameters in a telecommunication system
09/06/1996WO1996027173A1 Radio tracking system and method of operation thereof
09/06/1996WO1996021304A3 Combating signal interference in digital transmission
09/06/1996WO1996018248A3 High-speed data transmission in mobile communication networks
09/06/1996CA2210899A1 Processing speech coding parameters in a telecommunication system
09/04/1996EP0730360A2 Two priority fair distributed round robin protocol for a network having cascaded hubs
09/04/1996EP0730358A1 Control system for a transmission chain
09/04/1996EP0730356A2 Communication system and method for transmitting data of different types
09/04/1996EP0730355A2 Error recovery in a network having cascaded hubs
09/04/1996EP0729676A1 Method and apparatus for error mitigating a received communication signal
09/04/1996EP0591234B1 Process for detecting the nature of data-falsifying interference
09/04/1996CN1130452A Method and system for automatic optimization of data throughput using variable packet length and code parameters
09/04/1996CN1130449A Method and apparatus for speech transmission in mobile communication system
09/03/1996US5553085 Method and apparatus for generating a 48-bit frame check sequence
09/03/1996US5553083 Method for quickly and reliably transmitting frames of data over communications links
09/03/1996US5553067 Generation of checking data
09/03/1996US5553063 Voice over data communication system
09/03/1996US5553059 Network interface unit remote test pattern generation
09/03/1996US5552779 Watch pager with icons
09/03/1996US5552764 Alarm detecting system for redundancy configuration circuit
08/1996
08/29/1996WO1996026583A1 A method for determining connection quality, and a receiver
08/29/1996WO1996026582A1 Variable rate transmitting method, and transmitter and receiver using it
08/29/1996WO1996026578A1 Joint demodulation using spatial maximum likelihood
08/29/1996WO1996026576A1 Error detection in a wireless lan environment
08/29/1996CA2213518A1 Joint demodulation using spatial maximum likelihood
08/28/1996EP0728393A1 Simultaneous demodulation and decoding of a digitally modulated radio signal
08/28/1996EP0728390A1 Method and apparatus for decoder optimization
08/28/1996EP0728388A1 Single frequency transmission network
08/28/1996CN1129887A System and method for deinterleaving digital data
08/27/1996US5550872 Method and apparatus for Fast Fourier Transform based maximal ratio combining
08/27/1996US5550848 Signaling protocol for a noisy communications channel
08/27/1996US5550837 Adaptive differential pulse code modulation system with transmission error compensation
08/27/1996US5550809 Multiple access coding using bent sequences for mobile radio communications
08/27/1996US5550805 Failure restoration method in a mesh network
08/27/1996US5550756 Transmitting device, receiving device, system, and method for transmitting image at high efficiency
08/22/1996WO1996025809A1 Method and apparatus for reducing quantization noise
08/22/1996WO1996025806A1 Reliable atm microwave link and network
08/22/1996WO1996025802A2 System, transmitting and receiving circuitry for serially transmitting and serially receiving encoded information and method of operation
08/22/1996CA2212008A1 System, transmitting and receiving circuitry for serially transmitting and serially receiving encoded information and method of operation
08/22/1996CA2185026A1 Method and apparatus for reducing quantization noise
08/21/1996EP0727915A2 Mobile radio communication system
08/21/1996EP0727892A1 Method of testing a data frame processing unit or a line termination module in synchronous digital hierarchy (SDH) applications
08/21/1996EP0727891A2 Information data transmission with or without error correction code transmission according to channel quality
08/21/1996EP0727890A2 Method and device for the reception of signals affected by inter-symbol interference
08/21/1996EP0727120A1 Method and apparatus for the transmission of variable rate digital data
08/21/1996EP0727119A1 Method for providing error correction using selective automatic repeat requests in a packet-switched communication system
08/21/1996EP0727116A1 Variable rate signal transmission in a spread spectrum communication system using coset coding
08/21/1996EP0727112A1 Dual-mode wireless unit with two spread-spectrum frequency bands
08/21/1996EP0727068A1 Burst error corrector
08/21/1996EP0446276B1 Adaptive rate control for echo cancelling modem
08/21/1996CN1129504A Maximum likelihood decoding and synchronous detecting method
08/21/1996CN1129384A Apparatus for decoding a signal encoded by using trellis coded modulation
08/21/1996CN1129376A Low-speed Witt-ratio error controlling mould
08/21/1996CA2169819A1 Frame processing unit with test mode, line termination module including such a frame processing unit, and method for testing such a frame processing unit
08/20/1996US5548819 Method and apparatus for communication of information
08/20/1996US5548775 System and method for adaptive active monitoring of high speed data streams using finite state machines
08/20/1996US5548710 Method and apparatus for an ISDN communication system using active and stand-by ISDN communication adaptors to maintain operation when trouble occurs
08/20/1996US5548598 In a data communications systems a method of forward error correction
08/20/1996US5548595 Signal receiver
08/15/1996WO1996024999A1 Iterative-structure digital signal reception device, and module and method therefor
08/15/1996WO1996024995A2 Method of communication channel monitoring using parity bits
08/15/1996WO1996024993A1 Method and apparatus for transmitting data isochronously at a rate less than the isochronous data rate
08/15/1996WO1996024989A2 Multi-point to point communication system
08/15/1996CA2211803A1 Method of communication channel monitoring using parity bits
08/14/1996EP0726685A2 Packet transmission method without sending serial numbers
08/14/1996EP0671032A4 Coding with modulation, error control, weighting, and bit allocation.
08/14/1996CN1128920A System for retransmission in data communication
08/14/1996CN1128919A Fast transmission and treatment system of name list whose credit cards are refused to payment
08/14/1996CN1128917A High performance error control coding in channel encoders and decoders
08/13/1996US5546549 Multi-path channel (MPC) interface with user transparent, unbalanced, dynamically alterable computer input/output channels
08/13/1996US5546429 Frequency hopping code division multiple access radio communication unit
08/13/1996US5546425 Transmission system for transmitting data by a link comprising intermediate equipments and an intermediate equipment for such a system
08/13/1996US5546420 Methods of and devices for enhancing communications that use spread spectrum technology by using variable code techniques
08/13/1996US5546411 Method and apparatus for adaptively selecting a communication strategy in a selective call radio communication system
08/13/1996US5546400 Demand assign communication control system
08/13/1996US5546399 Packet conversion apparatus and system
08/13/1996US5546394 Message fragmenting in a time diversity radio system
08/08/1996WO1996024196A1 Method of error protected transmission, method of error protected reception of data and transmission system for transmission of data
08/08/1996WO1996024098A2 Circuit arrangement comprising a permutation unit and method of processing a batch of items
08/08/1996WO1996016496A3 Trellis coded 16 star qam with reed-solomon coding
08/08/1996DE19506117C1 Process for determination of pulse word in signal transmission channels
08/07/1996EP0725508A1 A communication arrangement with improved echo and noise suppression in a channel containing quantization
08/07/1996EP0725488A2 Data receiving system for receiving data signal faded and delayed
08/07/1996EP0725487A2 Multilevel coding for fractional bits
08/07/1996CN1128590A Method and apparatus for selectively-enabled diversity signaling in a radio communications system
08/06/1996US5544197 Cutover apparatus and methods for switching a signal between two transmission media
08/06/1996US5544196 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system
08/06/1996US5544156 Direct sequence CDMA coherent uplink detector
08/06/1996US5544077 High availability data processing system and method using finite state machines
08/06/1996US5544010 Portable electronic device docking system
08/02/1996WO1996026451A1 Bit error measuring instrument
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