Patents
Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
11/2002
11/28/2002US20020178417 Communication channel optimization using forward error correction statistics
11/28/2002US20020178406 Method of optimizing design parameters of data storage system and method of applying optimized design parameters
11/28/2002US20020178398 Backup gateway apparatus and home network system
11/28/2002US20020178394 System for processing at least partially structured data
11/28/2002US20020178256 System and method for introducing redundancy mechanisms into a communication system
11/28/2002US20020177436 Testing loops for channel codecs
11/28/2002US20020177427 Method and apparatus for restoring a soft decision component of a signal
11/28/2002US20020176601 Audio with hidden in-band digital data
11/28/2002US20020176525 Apparatus for and method of measuring clock skew
11/28/2002US20020176516 Method of estimating a signal-to-interferenceratio (SINR) using data samples
11/28/2002US20020176505 Systems and methods for decoding redundant motion vectors in compressed video bitstreams
11/28/2002US20020176492 Methods for receiving diversity transmissions including prefiltering to provide minimum phase channel characterstics and related receivers
11/28/2002US20020176491 Jitter measurement using mixed down topology
11/28/2002US20020176485 Multi-cast communication system and method of estimating channel impulse responses therein
11/28/2002US20020176482 Method of reconfiguration of radio parameters for power-aware and adaptive communications
11/28/2002US20020176432 Hitless protection switching
11/28/2002US20020176369 Method and system for minimizing error in bandwidth allocation with an optimal number of renegotiations
11/28/2002US20020176362 Method for retransmitting data through a reverse link in packet data communication system using automatic repeat request
11/28/2002US20020176356 Hitless protection switching
11/28/2002US20020176025 Systems and methods for encoding redundant motion vectors in compressed video bitstreams
11/28/2002DE10141008A1 Multi-channel stop and wait communications method involves storing data packets in receiver unit until all packets preceding packet yet to be received have been received successfully
11/28/2002DE10122698A1 Process for the determination process for sub carriers used in an OFDM process
11/28/2002CA2448453A1 Communication optimisation method for a multi-user ofdm digital transmission system using the electrical network
11/28/2002CA2446689A1 Requests in a communication system
11/28/2002CA2437736A1 Method and apparatus for transmitting messages in a wireless communication system.
11/27/2002EP1261184A1 Method and device for error correction in the static header information of a received packet
11/27/2002EP1261164A1 Transmitter, receiver, transmission system, sending method, receiving method, and transmitting method
11/27/2002EP1261163A2 System and method for error recovery using negative acknowledgements (NACK)
11/27/2002EP1261162A1 Multi channel stop and wait arq communication method and apparatus
11/27/2002EP1261161A1 Error correcting communication method and communication apparatus to which this communication method is applied
11/27/2002EP1261157A2 Hitless protection switching
11/27/2002EP1260085A2 Method and apparatus for termination detection in an adsl environment
11/27/2002EP1260075A1 Method for coded modulation taking account of the error sensitivity of the user data and encrypting said data after coding
11/27/2002EP1260049A2 A modulation scheme for fdd/tdd transceivers
11/27/2002EP1260047A1 Method and radio system for digital signal transmission
11/27/2002EP1260046A2 A communication system having bad frame indicator means for resynchronization purposes
11/27/2002EP1260045A1 A method of chip interleaving in direct sequence spread spectrum communications
11/27/2002EP1260036A2 Circuit arrangement for carrying out spatial diversity operations with a digital signal receiver
11/27/2002EP1260023A2 Method, apparatus, and product for use in generating crc and other remainder based codes
11/27/2002EP0976216B1 Frame-error detection method and device for error masking, specially in gsm transmissions
11/27/2002EP0974230B1 Method of downloading of data to an mpeg receiver/decoder
11/27/2002EP0968609B1 Signal generation and broadcasting
11/27/2002EP0928520B1 Error detection scheme for arq systems
11/27/2002EP0907950B1 Encoding mode control method and decoding mode determining apparatus
11/27/2002EP0861524B1 Transmission system with improved lock detection
11/27/2002EP0746924B1 Digital transmission system with an improved decoder in the receiver
11/27/2002CN1382325A Dynamic adaptive modulation negotiation for point-to-point terrestrical links
11/27/2002CN1381998A Soft nut-of-range switch over in cellular system using different coding rate
11/27/2002CN1381997A Method and device of high-speed transmission block data
11/27/2002CN1381961A Terminal equipment for CDMA cellular radio network
11/27/2002CN1381956A Changable rate vocoder
11/27/2002CN1095299C Transmission control system capable of carrying pair of multidate transmission through radio group communication
11/27/2002CN1095259C Control and communications apparatus and communication method thereof
11/27/2002CN1095257C Automatic power control system for code division multiple access (CDMA) communication system
11/27/2002CN1095122C Circuit for calculating error position polynomial at high speed
11/26/2002US6487693 Channel encoding/decoding in communication system
11/26/2002US6487690 Forward error correction system for packet based real time media
11/26/2002US6487689 Receiver initiated recovery algorithm (RIRA) for the layer 2 tunneling protocol (L2TP)
11/26/2002US6487686 Error correction method and transmission apparatus
11/26/2002US6487591 Method for switching between active and standby units using IP swapping in a telecommunication network
11/26/2002US6487405 Communication system with multicarrier telephony transport for controlling a plurality of service units
11/26/2002US6487394 Radio communication device and method of controlling transmission rate
11/26/2002US6487258 Methods and apparatus for decoding data
11/26/2002US6487251 System and method for performing combined multi-rate convolutional coding
11/26/2002US6487201 Method for managing received data in complex digital cellular terminal
11/26/2002US6487194 Communications network
11/26/2002US6487185 Frame erasure for digital data transmission systems
11/26/2002US6487184 Method and apparatus for supporting radio acknowledgement information for a uni-directional user data channel
11/26/2002US6487176 Measuring method and measuring device for data communication networks
11/26/2002US6486819 Circuitry with resistive input impedance for generating pulses from analog waveforms
11/26/2002US6486803 On demand encoding with a window
11/26/2002US6486725 Programmable logic controller method, system and apparatus
11/21/2002WO2002093951A1 Dynamic channel quality measurement procedure for adaptive modulation and coding techniques
11/21/2002WO2002093859A1 Channel decoding apparatus and method in an orthogonal frequency division multiplexing system
11/21/2002WO2002093821A1 Device for testing the conformity of an electronic connection
11/21/2002WO2002093820A1 Communicating method, transmitting apparatus, receiving apparatus, and communicating system including them
11/21/2002WO2002093819A1 Method and apparatus for allocating resources in a multiple-input multiple-output (mimo) communication system
11/21/2002WO2002093818A1 Transmit deversity receiver with prefiltering
11/21/2002WO2002093817A1 Flexible layer one configuration for radio to plmn interface
11/21/2002WO2002093816A1 Method for fixing rate adaptation parameters specific to each service in a mobile radio communication system
11/21/2002WO2002093815A1 Method for setting specific rate-matching attributes for each service in a mobile radio communications system
11/21/2002WO2002093814A1 Method for setting specific rate matching attributes for each service in a radiocommunications system
11/21/2002WO2002093813A1 A method of channel allocation for a mobile terminal moving in a cellular communication network
11/21/2002WO2002093805A1 Multi-carrier communication method and multi-carrier communication apparatus
11/21/2002WO2002093784A1 Method and apparatus for processing data in a multiple-input multiple-output (mimo) communication system utilizing channel state information
11/21/2002WO2002093779A2 Transmission in multi-channel communication system using selective channel power control
11/21/2002WO2002093757A2 Channel quality measurements for downlink resource allocation
11/21/2002WO2002093755A1 Buffer architecture for a turbo decoder
11/21/2002WO2002093572A1 Embedding auxiliary data in an information signal
11/21/2002WO2002093380A1 System, method and computer product for performing automated predictive reliability
11/21/2002WO2002093296A2 Method and system for implicit user equipment identification
11/21/2002WO2002067614A3 Method for establishing a priority call in a fixed wireless access communication system
11/21/2002WO2002067613A3 Apparatus for reallocating communication resources to establish a priority call in a fixed wireless access communication system
11/21/2002WO2002067612A3 Apparatus for establishing a priority call in a fixed wireless access communication system
11/21/2002WO2002058409A3 Apparatus and method for creating signal and channel profiles at a receiving station
11/21/2002WO2002049385A3 Multi-carrier communications with adaptive cluster configuration and switching
11/21/2002WO2002049261A3 Method for estimating error rates in receivers using iterative decoding
11/21/2002WO2002047374A3 System and method of synchronization recovery in the presence of pilot carrier phase rotation for an atsc-hdtv receiver
11/21/2002WO2002047278A3 Simple block space time transmit diversity using multiple spreading codes
11/21/2002WO2002033874A3 Coding for multi-user communication