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)
03/1999
03/24/1999EP0903872A1 Radio communication system having a frame transmission format and a method of providing the same
03/24/1999EP0903025A1 Process for computer-aided resignalling in an automatic repeat request
03/24/1999EP0903023A1 Transmission of signaling data in an adjustable rate wireless communication system
03/24/1999EP0903019A1 Subscriber unit for a cdma wireless communication system
03/24/1999EP0903018A1 Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system
03/24/1999EP0903016A2 Code division multiple access communication system
03/24/1999CN1212098A Concatenated error detection coding and packet numbering for hierarchical ARQ schemes
03/24/1999CN1211862A Circuit arrangement for measuring bit error rate
03/23/1999US5887038 Adaptive antenna array processing arrangement using a combined coherent and constant-modulus reference signal
03/23/1999US5887037 Introducing processing delay as a multiple of the time slot duration
03/23/1999US5887031 Symbol timing maintainance to enable low duty cycle receiver operation
03/23/1999US5887028 Digital receiver
03/23/1999US5887020 Multi-band, multi-mode spread-spectrum communication system
03/23/1999US5887007 Viterbi decoding method and viterbi decoding circuit
03/23/1999US5886999 Receiving apparatus and method of outputting received signal in multimedia communication
03/23/1999US5886844 Magnetic disk apparatus and read waveform equalizing method using stored tap coefficients for a transversal filter
03/23/1999US5886645 Method and apparatus for providing duplicate messages in an acknowledge-back communication system
03/23/1999US5886427 Low signal loss type hot stand-by switching unit
03/23/1999US5885138 Method and apparatus for dry-in, dry-out polishing and washing of a semiconductor device
03/18/1999WO1999013609A2 10/100 mbps automatic protocol selection mechanism for lan network
03/18/1999WO1999013585A1 Device and method for data encoding and frequency diversity in mobile communications system
03/18/1999WO1998059447A3 Protocol conversion and bandwidth reduction technique providing multiple nb+d isdn basic rate interface links over a wireless code division multiple access communication system
03/18/1999DE19739898A1 Multi-path reception and selection method of e.g. television signals in moving vehicles
03/17/1999EP0902574A2 Method for encoding data in COFDM systems
03/17/1999EP0902571A2 Method and arrangement relating to data communication
03/17/1999EP0902570A2 Data health monitor for financial information communication networks
03/17/1999EP0902545A1 Serial estimating method
03/17/1999EP0901722A1 Subscriber unit for cdma wireless communication system
03/17/1999CN1211378A Method and arrangement for channel allocation in a radio communications system
03/17/1999CN1211371A Method for controlling modem
03/17/1999CN1211366A Method and apparatus for symbol decoding using a variable number of survivor paths
03/17/1999CN1211361A Transmission system and recording system having a simplified symbol detector
03/17/1999CN1211359A Impairment determination for a diversity antenna selection process
03/17/1999CN1211121A Method for determining range of data error correction
03/17/1999CN1211120A Receiving apparatus, receiving method, and terminal unit for use with radio system
03/16/1999US5884192 Diversity combining for antennas
03/16/1999US5883928 Method and apparatus for recovering group messages in a time diversity radio communication system
03/16/1999US5883921 Short burst acquisition circuit and method for direct sequence spread spectrum links
03/16/1999US5883907 Asymmetrical digital subscriber line (ADSL) block encoder circuit and method of operation
03/16/1999US5883899 Code-rate increased compressed mode DS-CDMA systems and methods
03/16/1999US5883889 Directional pseudonoise offset assignment in a CDMA cellular radiotelephone system
03/16/1999US5883885 Base and mobile stations including enhanced sleep mode
03/16/1999US5883882 Fault detection in a frequency duplexed system
03/16/1999US5883581 Time diversity radio system using transparent address vector and message repeats
03/16/1999US5883533 Clock signal generating device having a redundant configuration
03/16/1999CA2105544C Error rate monitor
03/11/1999WO1999012304A1 A method for selecting a combination of modulation and channel coding schemes in a digital communication system
03/11/1999WO1999012303A1 Method and system for block arq with reselection of fec coding and/or modulation
03/11/1999WO1999012302A1 A method for selecting a link protocol for a transparent data service in a digital communications system
03/11/1999WO1999012299A1 Method and communications system for synchronising two devices to a predetermined data transmission process
03/11/1999WO1999012283A1 A method for demodulating information in a communication system that supports multiple modulation schemes
03/11/1999WO1999012274A1 Apparatus and method for transmitting signals in a communication system
03/11/1999WO1999012269A2 Retransmission of data packets in a wireless multimedia communications system
03/11/1999WO1998058467A3 Source-controlled channel decoding using intra-frame correlation
03/11/1999WO1998052362A3 Channel coding method
03/11/1999CA2301881A1 A method for selecting a link protocol for a transparent data service in a digital communications system
03/10/1999EP0900490A1 A receiver and method thereof
03/10/1999CN1210423A Circuits and systems for generating and communicating advanced television signals
03/09/1999US5881133 Method for correcting communications errors when communicating with a voice response unit over a cellular telephone network
03/09/1999US5881105 System and method for the non-sequential transmission of control signals within a speech transmission
03/09/1999US5881093 Method of interleaving a convolutionally coded signal in a spread spectrum communication system
03/09/1999US5881069 Method and apparatus for error correction processing in a radio communication device
03/09/1999US5881066 System for testing a transmission link
03/09/1999US5880837 Eye measurement of optical signals by optical sampling
03/04/1999WO1999011015A1 Method of locating a fault
03/04/1999WO1999011014A2 Defining quality of transmission in a transmission system
03/04/1999WO1999011013A1 Method and device for assessing the service quality of transmission channels in a digital transmission system
03/04/1999WO1999011012A1 Wireless communications systems and methods utilizing group frame acknowledgment
03/04/1999WO1999011011A1 Method for data transfer in a digital transmission system with a packet-switching service
03/04/1999WO1999011010A1 Method for packet transmission with an arq protocol on transmission channels in a digital transmission system
03/04/1999WO1999011009A1 Method for data transfer on transmission channels in a digital transmission system
03/04/1999WO1999010984A1 A method of and apparatus for selecting cyclic redundancy check generators in a concatenated code
03/04/1999WO1999010814A1 Link bundling in a network
03/04/1999WO1998054919A3 Paging a wireless terminal in a wireless telecommunications system
03/04/1999DE19828632A1 Series data transmission circuit between integrated circuits
03/04/1999CA2302469A1 Defining quality of transmission in a transmission system
03/04/1999CA2300882A1 Method for data transmission of transmission channels in a digital transmission system
03/04/1999CA2300880A1 Method and device for assessing the service quality of transmission channels in a digital transmission system
03/03/1999EP0899906A2 System and method for measuring channel quality information
03/03/1999EP0899888A1 Coding and decoding methods and devices and equipment using them
03/03/1999EP0899887A2 Low-power-consumption viterbi decoder
03/03/1999EP0898836A1 Procedure and system for ensuring emergency communication
03/03/1999EP0898820A1 Method and apparatus for point-to-multipoint data communication with arq
03/03/1999EP0898819A2 Communication bus system
03/03/1999EP0898818A1 Process for transmitting data
03/03/1999EP0660978A4 A data decoder and method for use therein using a dynamically indexed channel state metric.
03/02/1999US5878352 Apparatus and method for selecting a transmitter for directed message delivery
03/02/1999US5878329 Power control of an integrated cellular communications system
03/02/1999US5878228 Data transfer server with time slots scheduling base on transfer rate and predetermined data
03/02/1999US5878098 Method and apparatus for rate determination in a communication system
03/02/1999US5878093 Interference rejection combining with frequency correction
03/02/1999US5878062 Data transfer method and a cellular radio system
03/02/1999US5878061 Providing serial data clock signal transitions with parity bits
03/02/1999US5878056 Message transfer in a communication network
03/02/1999US5878041 Error handling in transmission of data that cannot be retransmitted
03/02/1999US5878025 ATM switch and method for switching path by ATM switch
03/02/1999CA2074553C Method and apparatus for communicating digital data using trellis coded qam
02/1999
02/25/1999WO1999009724A2 Method and device for handling data in certain layers according to certain protocols in a mobile communications system
02/25/1999WO1999009710A1 Concurrent multiple data rate communications in a wireless local area network
02/25/1999WO1999009698A1 A multi-channel automatic retransmission query (arq) method
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