Patents
Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
05/2002
05/08/2002EP0919086B1 Decoder utilizing soft information output to minimize error rates
05/08/2002EP0737384B1 Digital transmission and recording system with simple error correction
05/08/2002DE10055103A1 Operating data network involves defining current level reserve for overdriving limit, that is between current transmitter power and current receiver overdriving limit, for test mode
05/08/2002DE10054473A1 Verfahren zum Austausch von Datenpaketen zwischen zwei Diensteerbringern eines Funkübertragungssystems Method for exchanging data packets between two service providers charms of a radio transmission system
05/08/2002DE10051820A1 Method for transmitting voice signals with a transmitter and receiver splits a voice signal on transmission into short temporary signal sections encoding them separately and transferring them to a receiver via a transmission path.
05/08/2002CN1348670A A method and arrangement concerning speech quality in radio communication
05/08/2002CN1348668A Link and radio cell adaptation in TDMA/TDD systems
05/08/2002CN1348653A BS digital broadcasting receiver
05/08/2002CN1348645A Apparatus for transmitting/receiving Bitstream in network and method thereof
05/08/2002CN1348635A Apparatus and method for normalizing metric values in a component decoder in a mobile communication system
05/08/2002CN1348631A Efficient iterative decoding
05/08/2002CN1348316A Method for transmitting datas from radio chain-circuit control layer in radio communication system
05/08/2002CN1348291A Serial communication equipment and method for executing serial communication
05/08/2002CN1348283A 通信控制方法 Communication control method
05/08/2002CN1348274A Frequency division multiplexing signal receiving apparatus
05/08/2002CN1084552C Transmitter capable of preventing interruption during occurrence of fault
05/07/2002US6385744 Data recording medium, data recording method and data reproducing method
05/07/2002US6385738 System for testing transmitter logic of a physical layer device in a local area network
05/07/2002US6385462 Method and system for criterion based adaptive power allocation in a communication system with selective determination of modulation and coding
05/07/2002US6385258 Viterbi decoder for use in a mobile communication system
05/07/2002US6385255 Coding system and method for partial response channels
05/07/2002US6385237 Non-invasive digital cable test system
05/07/2002US6385233 Unbalanced quadrature waveform
05/07/2002US6385210 Method for detecting and resolving data corruption in a UART based communication network
05/07/2002US6385189 Method and apparatus for compressing and transmitting high speed data
05/07/2002US6385185 Methods and apparatus for coherent detection of signals with orthogonal data modulation
05/07/2002US6385167 ATM switch and method for controlling bandwidth and connection quality ATM connection
05/07/2002US6385165 Add-drop multiplexer of duplicated configuration having increased transport capacity
05/07/2002CA2121448C Antenna switched diversity receiver
05/02/2002WO2002035762A1 Combination of space-time coding and spatial multiplexing, and the use of orthogonal transformation in space-time coding
05/02/2002WO2002035761A2 Method for superimposing a sequence number in an error detection code (crc) in a data network
05/02/2002WO2002035735A2 Shared channel structure, arq systems and methods
05/02/2002WO2002035726A1 Transmitter and receiver of spectrum spread communication system, and modulation and demodulation methods thereof
05/02/2002WO2002035710A2 Rate adaptation device and method
05/02/2002WO2002035709A2 Apparatus, and associated method, for forming a signal exhibiting space-time redundancy
05/02/2002WO2002035708A2 Method for detecting errors on parallel links
05/02/2002WO2002035445A1 Optimal bit allocation system for reed-solomon coded data
05/02/2002WO2002035337A2 Managing disk drive replacements on multidisk headless appliances
05/02/2002WO2002017615A3 Terrestrial digitial multimedia/television broadcasting system
05/02/2002WO2002017511A3 Method for the communication of information and apparatus employing the method
05/02/2002WO2002013440A3 Multicast and broadcast transmissions with partial arq
05/02/2002WO2002009341A3 Method for transmitting data in the access area
05/02/2002WO2001037480A3 Multicast transmission method and system
05/02/2002WO2001010066A3 Device for receiving digital signals and device for transmitting digital signals
05/02/2002US20020053062 Transmitter, receiver, and coding scheme to increase data rate and decrease bit error rate of an optical data link
05/02/2002US20020053060 Data transmission system, equipment suitable for such a system and data transmission method
05/02/2002US20020053058 Method of packet data transfer with hybrid ARQ
05/02/2002US20020053056 Method and apparatus for testing digital circuitry
05/02/2002US20020053053 Data transmission apparatus and method
05/02/2002US20020053049 Error correction encoding method and apparatus data transmission method receiving method and receiver
05/02/2002US20020053047 Managing disk drive replacements on mulitidisk headless appliances
05/02/2002US20020052968 Messaging method and apparatus for routing messages in a client server environment over multiple wireless and wireline networks
05/02/2002US20020051605 Ring network system and method of transmitting a signal therein capable of using band of optical fiber effectively
05/02/2002US20020051505 Data Demodulation apparatus and method
05/02/2002US20020051501 Use of turbo-like codes for QAM modulation using independent I and Q decoding techniques and applications to xDSL systems
05/02/2002US20020051499 Quasi error free (QEF) communication using turbo codes
05/02/2002US20020051498 Decoding system and method for digital communications
05/02/2002US20020051466 Dynamic packet fragmentation
05/02/2002US20020051445 Packet format for a distributed system
05/02/2002US20020051438 Spread spectrum communication device and spread spectrum communication method
05/02/2002US20020051436 Use of wide element spacing to improve the flexibility of a circular basestation antenna array in a space division/multiple access synchronous CDMA communication system
05/02/2002US20020051424 Medium allocation method
05/02/2002US20020051395 Dynamic register with low clock rate testing capability
05/02/2002US20020051087 Repetitive-PN1023-sequence echo-cancellation reference signal for single-carrier digital television broadcast systems
05/02/2002US20020051078 Method and apparatus for transmitting a signal, method and apparatus for receiving a signal, VBI signal generating apparatus, video signal transmitting apparatus, video signal processing apparatus, video signal receiving apparatus, decoding apparatus, and recording medium for recording a video signal
05/02/2002EP1202596A2 System and method for router data aggregation and delivery
05/02/2002EP1202515A2 Outer code for CSMA systems which use multicarrier transmission
05/02/2002EP1202487A2 Data transmission apparatus and method
05/02/2002EP1202486A2 Wireless communication system and method using SISO decoder
05/02/2002EP1202471A1 Optimization method of the combination of reception signals in radio receivers in space diversity on the basis of the frequency of FEC impulses generated by the demodulator
05/02/2002EP1202463A1 Method and apparatus for wireless transmission using multiple description coding
05/02/2002EP1201066A1 Phase noise and additive noise estimation in a qam carrier recovery circuit
05/02/2002EP1201055A1 Method and apparatus for wireless communication
05/02/2002EP1201054A1 Method and apparatus for wireless communications having varying data rates
05/02/2002EP1201048A1 Method for improving the quality of data transmission
05/02/2002EP1201047A1 Apparatus and method for retransmitting data according to radio link protocol in mobile communication system
05/02/2002EP1201044A1 Method and apparatus for reducing frame error rate
05/02/2002DE10052720A1 Vorrichtung und Verfahren zur Ratenanpassung Apparatus and method for rate matching
05/02/2002DE10051722A1 Channel coding of information bit sequence involves using insertion pattern selected so code resulting from channel coding is optimal for criterion based on distance spectrum of code
05/02/2002DE10050359A1 Determining whether an event exists, to detect or decode useful data from noisy channel, considers sub events in conjunction with their probability data
05/02/2002DE10049988A1 Phase estimation for navigation receiver signals involves correcting output signal of delay-locked loop, estimating phase with coherent PLL, adding coarse phase from incoherent PLL
05/01/2002CN1347606A Method and system for control signalling enabling flexible link adaption in radiocommunication system
05/01/2002CN1347599A Quality control method for digital radio transmissions in medium and short wave range
05/01/2002CN1347594A Receiver with improved decoder
05/01/2002CN1347593A Intra-row permutation for turbocode
05/01/2002CN1347252A Soft normalizer for channel decoder
05/01/2002CN1347229A Three-sector ATM multiplex/demultiplex method based on VPI/VCI
05/01/2002CN1347218A Method and device for implementing multipath search in WCDMA down link
05/01/2002CN1347216A Configurable W-CDMA multipath alignment method and device
05/01/2002CN1347214A Method for demultiplexing WCDMA down channel
05/01/2002CN1347213A Method for multiplexing WCDMA up channel
04/2002
04/30/2002US6381727 Apparatus and method for receiving data with bit insertion
04/30/2002US6381723 Error correction device for correcting error in input symbol string
04/30/2002US6381713 Method for responding to transmission errors in a digital communication system according to characteristics of flawed information fields
04/30/2002US6381455 System and method for warning of and providing greater immunity from an impeding call drop in a digital wireless system
04/30/2002US6381445 Radio communication device and method of controlling transmission rate
04/30/2002US6381312 Acoustic communication terminal apparatus and recording medium for storing a control program therefor
04/30/2002US6381267 Modems, methods, and computer program products for falling back to a lower data rate protocol upon detecting abnormal line conditions during startup
04/30/2002US6381265 Field programmable modulator-demodulator arrangement for radio frequency communications equipment and method therefor
04/30/2002US6381264 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system