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)
04/2000
04/13/2000WO2000021233A2 Enhanced acknowledgement pacing device and method for tcp connections
04/13/2000WO2000021229A2 Method for adapting data rates in universal mobile telephone systems (umts)
04/13/2000WO2000021214A1 Orthogonal transmit - receive diversity technique and device
04/13/2000WO2000021210A1 Data terminal and coding method for increased data packet reliability in a frequency hopping system
04/13/2000WO2000021157A1 Point-to-multipoint variable antenna compensation system
04/13/2000DE19946742A1 Verfahren und Vorrichtung zum Testen des Verbindungsstatus eines Übermittlungsabschnittes Method and device for testing the connection status of a transmission section
04/13/2000DE19922968A1 Verfahren zur Datenratenanpassung Method for data rate matching
04/13/2000DE19846721A1 Coding device for source data, has block coder and inner turbo-coder
04/13/2000CA2346534A1 Data communication method and system using an adaptive hybrid-arq scheme
04/13/2000CA2346473A1 Semi-reliable data transport
04/12/2000EP0993160A1 Carrier reproducing circuit
04/12/2000EP0993158A1 Apparatus and method for data rate conversion
04/12/2000EP0993141A1 Capacity allocation for ADSL
04/12/2000EP0993140A1 Reduction of the transmission delay for urgent data
04/12/2000EP0993139A1 Go-back-N automatic-repeat-request protocol on virtual circuits
04/12/2000EP0993138A2 Interleaving methodology and apparatus for CDMA
04/12/2000EP0993134A2 Method for transmitting clock signals, method for synchronizing clock generators or network elements, network element and clock generator
04/12/2000EP0993133A1 Data communications apparatus and method
04/12/2000EP0993130A2 Space time block coded transmit antenna diversity for WCDMA
04/12/2000EP0993129A2 Channel estimation in space time block coded transmit antenna diversity for WCDMA
04/12/2000EP0992132A1 Method and system for transmit gating in a wireless communication system
04/12/2000EP0992126A1 Method and apparatus for controlling time diversity in telephony
04/12/2000EP0773629B1 Method for detecting and correcting transmission errors of a digital signal
04/12/2000CN1250565A Encoder and decoder
04/12/2000CN1250563A Apparatus, and associated method, for transmitting and receiving a multi-stage encoded and interleaved digital communication signal
04/12/2000CN1250562A Infrared data modulation/demodulation integrated circuit device
04/12/2000CN1250560A A method for combining signals, and a receiver
04/12/2000CN1250558A Multichannel Viterbi decoder
04/12/2000CN1250297A Equalizing method and apparatus in radio receiver
04/12/2000CN1250285A Transmission electrical level control method and transmitter-receiver set in radio local loop system
04/12/2000CN1250284A 码分多址系统 CDMA System
04/12/2000CN1250278A Telecommunication system
04/12/2000CN1250183A Path managing and testing method for exchange system
04/11/2000US6049902 Method and system in a data communications system for the establishment of multiple, related data links and the utilization of one data link for recovery of errors detected on another link
04/11/2000US6049720 Link delay calculation and compensation system
04/11/2000US6049699 Apparatus for improving the signal to noise ratio in wireless communication systems through message pooling and method of using the same
04/11/2000US6049651 Communication system
04/11/2000US6049535 Code division multiple access (CDMA) communication system
04/11/2000US6049534 Communication system
04/11/2000US6049525 Terminal multiplexer and method of constructing the terminal multiplexer
04/11/2000US6049523 System and method for achieving efficient coordination of protection switching
04/11/2000US6049514 Equipment for transmitting data and method of the same
04/11/2000CA2143950C Packet delivery system
04/06/2000WO2000019676A1 Time-frequency differential encoding for multicarrier system
04/06/2000WO2000019636A1 System and method of controlling co-channel interference in point to point communications
04/06/2000WO1999056442B1 Transmitter/receiver for gmsk and offset-qam
04/06/2000WO1999050963A3 TURBO ENCODING/DECODING DEVICE AND METHOD FOR PROCESSING FRAME DATA ACCORDING TO QoS
04/06/2000DE19845767A1 Verfahren zum Übertragen von Taktsignalen, Verfahren zum Synchronisieren von Taktgeneratoren oder Netzelementen, Netzelement und Taktgenerator A method of transmitting clock signals, A method for synchronizing clock generators or network elements, and network element clock generator
04/06/2000DE19842039A1 Method of transferring signalling information in radio communications system
04/06/2000CA2345713A1 Time-frequency differential encoding for multicarrier system
04/05/2000EP0991237A1 Multicarrier communication method with time-frequency differential encoding
04/05/2000EP0991224A2 Method, receiver and radio station for recognizing a user data block with erroneous data symbols
04/05/2000EP0991223A1 Method and arrangements for fast transition from a low power state to a full power state in a communication system
04/05/2000EP0991222A1 Method and arrangements for transition between a low power state and a full power state in a communication system
04/05/2000EP0991221A2 Unequal error protection for digital broadcasting using channel classification
04/05/2000EP0991220A2 Adaptive coding scheme for satellite communications
04/05/2000EP0991219A2 Concatenated error control method and system for uplink satellite transmission
04/05/2000EP0991218A2 Method for transmitting signal of medium access control sublayer in mobile communication system
04/05/2000EP0991211A2 Device and method of determining quality of radio communication in a mobile communication system
04/05/2000EP0991205A2 Automatic power control for a CDMA communications system
04/05/2000EP0990365A2 Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (cdma) radio link
04/05/2000EP0990354A2 Protocol conversion and bandwidth reduction technique providing multiple nb+d isdn basic rate interface links over a wireless code division multiple access communication system
04/05/2000EP0990341A1 Vdsl modem divided into a digital and an analog part
04/05/2000EP0990333A1 Channel coding and interleaving for transmissions on a multicarrier system
04/05/2000EP0990318A1 Ensuring quality of information transfer in telecommunication network
04/05/2000EP0990311A1 ACTIVATION OF MULTIPLE xDSL MODEMS WITH IMPLICIT CHANNEL PROBE
04/05/2000EP0990308A1 Channel encoding device and method for communication system
04/05/2000CN1249872A Frame-error detection method and device for error masking, specially in GSM transmissions
04/05/2000CN1249642A Mobile station equipment and base station equipment
04/05/2000CN1249585A Method and device for fast converting from low power state to full power state
04/05/2000CN1249577A Forward error correction for high-speed optical transmission system
04/05/2000CN1249570A Apparatus and method for determining radio communication quality in mobile communication system
04/05/2000CA2284174A1 Method of transmitting clock signals, method of synchronizing clock generators or network elements, as well as a network element and a clock generator
04/04/2000US6047322 Method and apparatus for quality of service management
04/04/2000US6047069 Method and apparatus for preserving error correction capabilities during data encryption/decryption
04/04/2000US6047035 Method and device for quantizing the input to soft decoders
04/04/2000US6046992 Radio frequency local area network
04/04/2000US6046990 High-penetration transmission method for a radiocommunication system
04/04/2000US6046691 Rate 16/17 (0,5) modulation code apparatus and method for partial response magnetic recording channels
04/04/2000CA2172567C Transmission method and system for jpeg images
03/2000
03/31/2000WO2000060800A1 Method and arrangement for measuring the signal quality in an optical transmission system
03/30/2000WO2000018077A1 Radio digital signal receiver
03/30/2000WO2000018063A2 Network and coupling device for connecting two segments of such a network
03/30/2000WO2000018058A1 Method and device for estimating the transmission quality of a digital communication signal
03/30/2000WO2000018057A1 Audio coder utilising repeated transmission of packet portion
03/30/2000WO2000018056A1 Method and constructions for space-time codes for psk constellations for spatial diversity in multiple-element antenna systems
03/30/2000WO2000018055A1 Method and apparatus for transmitting and receiving variable rate data
03/30/2000WO2000018048A1 Multicarrier communication device and multicarrier communication method
03/30/2000WO2000018035A1 Apparatus, and associated method, for effectuating power control of a communication device
03/30/2000WO2000018017A1 Lost packet recovery method for packet transmission protocols
03/30/2000WO2000017752A1 Paging system having optional forward error correcting code transmission at the data link layer
03/30/2000WO2000003549A3 Channel communication device and method for mobile station in asynchronous cdma communication system
03/30/2000WO2000001085A3 Method and device for improving dfe performance in a trellis-coded system
03/30/2000WO1999060706A8 A method, device and carrier for encoding multiword information
03/30/2000DE19850050C1 Transmitting data via a channel e.g. of mains power network by measuring transmission characteristics and selecting modulation type accordingly
03/30/2000DE19844702A1 Verfahren, Empfangseinrichtung und Funkstation zur Erkennung eines Nutzdatenblocks mit fehlerhaften Nutzdatensymbolen Method, receiver and radio station to detect a user data block with faulty useful-data
03/30/2000CA2344175A1 Paging system having optional forward error correcting code transmission at the data link layer
03/30/2000CA2311376A1 Multi-carrier communication system and multi-carrier communication method
03/29/2000EP0989698A1 Apparatus and error correction communication method utilising majority logic
03/29/2000EP0989697A1 Multiple antenna home base for digital cordless telephones
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