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)
11/1999
11/11/1999WO1999049689A3 Method and device for estimating the carrier-to-interference ratio in a radio communication system
11/11/1999WO1999044326A3 Ofdm frame synchronisation and equalisation system
11/11/1999DE19820036A1 Faulty behaviour measurement method for bidirectional transmission system
11/11/1999CA2604069A1 Method and apparatus for coordinating transmission of short messages with hard handoff searches in a wireless communications system
11/11/1999CA2330848A1 Method and means for processing information
11/10/1999EP0955743A2 Data communication apparatus
11/10/1999EP0955586A1 Coding with modulation, error control, weighting, and bit allocation
11/10/1999EP0954913A2 Method to control a switching unit and an arrangement working according to the method
11/10/1999EP0954908A1 Channel coding in a cellular radio system
11/10/1999EP0954784A1 Error detection and correction system for use with address translation memory controller
11/10/1999CN1234952A Method and apparatus for providing high speed data communication in cellular environment
11/10/1999CN1234936A Transmission of digital signals by orthogonal frequency division multiplexing
11/10/1999CN1234929A Method and apparatus for preforming data rate determination
11/10/1999CN1234668A Communication apparatus
11/10/1999CN1046394C Radio long-distance telecommunication system
11/09/1999US5983386 ATM switch and control method thereof
11/09/1999US5983385 Communications systems and methods employing parallel coding without interleaving
11/09/1999US5983384 Turbo-coding with staged data transmission and processing
11/09/1999US5983383 Method and apparatus for transmitting and receiving concatenated code data
11/09/1999US5983382 Automatic retransmission query (ARQ) with inner code for generating multiple provisional decodings of a data packet
11/09/1999US5983365 Frame processing unit with test mode, line termination module including such a frame processing unit, and method for testing such a frame processing unit
11/09/1999US5983260 Serial control and data interconnects for coupling an I/O module with a switch fabric in a switch
11/09/1999US5983185 Method and device for simultaneously recording and presenting radio quality parameters and associated speech
11/09/1999US5983174 Confidence and frame signal quality determination in a soft decision convolutional decoder
11/09/1999US5983105 Method and receiver implemented on the rake principle
11/09/1999US5983101 Point to multipoint radio access system
11/09/1999US5982825 Method and apparatus for cancelling interference jamming in digital radio transmission
11/09/1999US5982813 Demand-based power and data rate adjustments to a transmitter to optimize channel capacity and power usage with respect to data transmission traffic over a fixed-bandwidth channel
11/09/1999US5982776 Multipoint-to-point arbitration in a network switch
11/09/1999US5982771 Controlling bandwidth allocation using a pace counter
11/09/1999US5982766 Power control method and system in a TDMA radio communication system
11/09/1999US5982752 Method and apparatus for detecting multiplexing standard mismatches in communication networks
11/09/1999US5982741 Method and apparatus for automatically reducing cross-talk between wires coupled to a common network device
11/09/1999US5982294 Paging receiver which performs data communication protocol analysis through execution of control program
11/09/1999CA2037824C Diversity circuit and frame phase (or sampling timing) estimation circuit using the diversity circuit
11/09/1999CA2033971C Mobile assisted handoff
11/04/1999WO1999056442A2 Transmitter/receiver for gmsk and offset-qam
11/04/1999WO1999056437A1 Method and apparatus for indicating variable data processing in telecommunication connections
11/04/1999WO1999056407A2 Transmission antenna diversity
11/04/1999WO1999056406A1 Transmit diversity methods, systems, and terminals using scramble coding
11/04/1999WO1999043101A9 Forward link power control in a cellular system using nt/i0 values
11/04/1999WO1999040743A3 Improving channel quality in wireless communications
11/03/1999EP0954191A1 Adaptive digital radio communication system
11/03/1999EP0954187A1 Method and apparatus for indicating variable data processing in telecommunications connections
11/03/1999EP0954117A1 Transmission quality reporting
11/03/1999EP0954110A2 Loop-back circuit for duplex transceiver
11/03/1999EP0953267A2 Method and arrangement for channel allocation in a radio communications system
11/03/1999EP0953245A1 Encoder and decoder
11/03/1999EP0953241A1 Apparatus, and associated method, for transmitting and receiving a multi-stage, encoded and interleaved digital communication signal
11/03/1999EP0953230A1 Error prevention method for multimedia
11/03/1999EP0655161B1 Lost frame concealment
11/03/1999EP0655160B1 Transmission error concealment
11/03/1999CN1234160A Method and apparatus for determining rate of received data in variable rate communication system
11/03/1999CN1233924A Radio base station for CDMA mobile communication system
11/03/1999CN1233896A Voice frequency data enhancement method
11/03/1999CN1233893A Bidirectional line switched ring network system
11/03/1999CN1046177C Data communication apparatus
11/02/1999US5978959 Method and devices for the transmission of data with transmission error checking
11/02/1999US5978955 Methods and apparatus for error correction using an R-Q calculator
11/02/1999US5978419 Transmitter and receiver circuits for high-speed parallel digital data transmission link
11/02/1999US5978414 Transmission rate judging unit
11/02/1999US5978365 Communications system handoff operation combining turbo coding and soft handoff techniques
11/02/1999US5978359 Allocated and dynamic switch flow control
11/02/1999US5978354 Optical transmission system and transmission line switching control method
11/02/1999US5977653 Configuration for controlling a restraining device, in particular for a motor vehicle
10/1999
10/28/1999WO1999055112A1 Radio communication device and method of controlling transmission rate
10/28/1999WO1999055104A1 Mobile radio communication system, communication apparatus for mobile radio communication system, and mobile radio communication method
10/28/1999WO1999055041A1 Method and apparatus for using ranking to select repair nodes
10/28/1999WO1999055037A1 Process for transmitting, receiving and/or storing information
10/28/1999WO1999055011A1 Channel encoding device and method for communication system
10/28/1999WO1999054818A1 Method and system for adaptive interleaving
10/28/1999WO1999005820A3 Wireless communications system and method
10/28/1999DE19918715A1 Optical data transmission subsystem
10/28/1999CA2329179A1 Process for transmitting, receiving and/or storing information
10/27/1999EP0952706A2 Method for detecting and resolving data corruption in a UART based communication network
10/27/1999EP0952700A2 Network equipment such as a network repeater and testing method therefor
10/27/1999EP0952695A2 Bit error rate measuring circuit using synchronous word and color code
10/27/1999EP0952682A2 CDMA mobile communications system and method with improved channel estimation and pilot symbol transmission
10/27/1999EP0951774A1 Process and system for transmitting orders over a telecommunication network
10/27/1999EP0951770A1 Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
10/27/1999EP0951765A1 Remodulators for wdm optical communication systems
10/27/1999EP0951763A2 Method for frequency division duplex communications
10/27/1999EP0951755A1 Method and apparatus for transmitting and receiving concatenated code data
10/27/1999CN1233380A Method for transmitting multiresolution audio signals in a radio frequency communication system
10/27/1999CN1233367A Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
10/27/1999CN1233366A Wireless ATM metropolitan area network
10/27/1999CN1233143A Personal access communication system and communication method in personal access communication system
10/26/1999US5974584 Parity checking in a real-time digital communications system
10/26/1999US5974376 Method for transmitting multiresolution audio signals in a radio frequency communication system as determined upon request by the code-rate selector
10/26/1999US5974106 Method and apparatus for multirate data communications
10/26/1999US5974091 Composite trellis system and method
10/26/1999US5974079 Method and apparatus for encoding rate determination in a communication system
10/26/1999US5974028 System and method for improving transport protocol performance in communication networks having lossy links
10/26/1999US5973601 Method of radio transmission between a radio transmitter and radio receiver
10/26/1999CA2019659C Receiver for data transmission system with nonlinearities
10/21/1999WO1999053643A1 Test access and performance monitoring system and method for cross-connect communication networks
10/21/1999WO1999053637A1 Method and system for estimating the ability of a subscriber loop to support broadband services
10/21/1999WO1999053631A1 Method of continuously transmitting user data on a reverse common channel in a mobile communication system
10/21/1999WO1999053628A2 Data communication and radio system
10/21/1999WO1999053627A1 System for communicating with electronic equipment on a network
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