Patents
Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
09/2002
09/25/2002EP1244238A2 Protection of the descriptive map of the transmission mode in a point-to-multipoint transmission system
09/25/2002EP1244237A2 Encoding/decoding apparatus and method in a CDMA mobile communication system
09/25/2002EP1244228A2 Satellite communication system uplink power control
09/25/2002EP1244227A1 Automatic method for power control and phy mode switching control in adaptive phy mode systems
09/25/2002EP1243154A1 Measures against rayleigh fading on a radio channel in a cellular system
09/25/2002EP1243144A1 Method for making data transmission more effective and a data transmission protocol
09/25/2002EP1243096A1 Method of coding a signal, transmitter and receiver
09/25/2002EP1243095A1 Space-time code design for fading channels
09/25/2002EP1243094A1 Estimation of two propagation channels in OFDM
09/25/2002EP1243086A1 Data transmission from transmitter to receiver in radio system
09/25/2002EP1243079A2 Method for transmitting data signals between a master station and a plurality of slave stations, master station and slave station
09/25/2002EP1243075A1 Metheo and apparatus for concatenated channel coding
09/25/2002EP1188269A4 Apparatus and method for encoding/decoding transport format combination indicator in cdma mobile communication system
09/25/2002EP1125294B1 Multi-level error detection and correction technique for data storage recording device
09/25/2002EP0986282B1 Radio communication device and method of controlling transmission rate
09/25/2002EP0968608B1 Receiver/decoder and method of reception
09/25/2002CN1371564A Modulated message authentication system and method
09/25/2002CN1371562A Method and apparatus for detecting zero rate frames in communications system
09/25/2002CN1371561A System and method for implementing hybrid automatic request using parity check combining
09/25/2002CN1371560A Method and system for adaptive voice buffering
09/25/2002CN1371557A Power control based on combined transmission quality estimates
09/25/2002CN1371553A Communications system and method for multi-carrier orthogonal coding
09/25/2002CN1371204A Inner noise immunizing data communication scheme
09/25/2002CN1371185A Information transmission system and method, information sender and receiver, spatial light transmission system, method and devices
09/25/2002CN1371177A Alternating method
09/25/2002CN1091557C Radio communication equipment using algorithm diversity
09/25/2002CN1091535C Method, apparatus and circuit for compressing voice signal into variable rate data
09/24/2002US6457156 Error correction method
09/24/2002US6457144 System and method for collecting trace data in main storage
09/24/2002US6457140 Methods and apparatus for dynamically isolating fault conditions in a fault tolerant multi-processing environment
09/24/2002US6457050 System and method for dynamically restoring communications within a network
09/24/2002US6456967 Method for assembling a voice data frame
09/24/2002US6456675 Diversity reception employing periodic testing
09/24/2002US6456674 Method and apparatus for automatic repetition rate assignment in a remote control system
09/24/2002US6456672 Automatic frequency control communication system
09/24/2002US6456649 Multi-carrier transmission systems
09/24/2002US6456608 Adaptive vector correlator using weighting signals for spread-spectrum communications
09/24/2002US6456607 Apparatus and method for transmitting an image signal modulated with a spreading code
09/24/2002US6456598 Method of adapting the air interface in a mobile radio system and corresponding base transceiver station, mobile station and transmission mode
09/24/2002US6456552 Dynamic register with low clock rate testing capability
09/24/2002US6456221 Method and apparatus for signal detection in ultra wide-band communications
09/24/2002US6456109 Jitter detecting circuit for detecting cycle-to-cycle jitter
09/24/2002CA2214809C Method and system for communication over multiple channels in a spread spectrum communication system
09/19/2002WO2002073988A2 Handoff method in a wireless packet network avoiding loss or delay of packets
09/19/2002WO2002073917A1 Method and apparatus for performing channel estimation with a limited receiver
09/19/2002WO2002073916A1 Method and system for blind detection of modulation type
09/19/2002WO2002073915A1 Blind detection for mobile radio receivers
09/19/2002WO2002073893A1 System, method and device for performing communication in a short range radio network
09/19/2002WO2002073882A2 Nack suppression for multicast protocols in mostly one-way networks
09/19/2002WO2002073869A1 Multiplexing method in a multi carrier transmit diversity system
09/19/2002WO2002073868A1 Waveform diversity for communication using pulse decoding
09/19/2002WO2002073822A1 Diversity receiver for radio communications
09/19/2002WO2002073812A1 Error correction encoding method, error correction decoding method, error correction encoding apparatus, and error correction decoding apparatus
09/19/2002WO2002072993A2 Hydraulically balanced reciprocating pulser valve for mud pulse telemetry
09/19/2002WO2002054660B1 Method for cancelling interference during tdma transmission and/or fdma transmission
09/19/2002WO2002023791A3 Retransmission for broadcast information
09/19/2002WO2002005473A9 A method of and a device for generating a signal having a predetermined quality criterion for use in or on a communication system
09/19/2002WO2001091331A3 Method and apparatus for reducing multipath distortion in a wireless lan system
09/19/2002WO2001058197A9 Method for transferring intersystem connections
09/19/2002US20020133781 Method and system for allocating convolutional encoded bits into symbols before modulation for wireless communication
09/19/2002US20020133780 Method and apparatus for protecting lossless transmission of a data stream
09/19/2002US20020133763 Bit error rate measurement
09/19/2002US20020133752 Component/web service operational profile auto-sequencing
09/19/2002US20020133748 Circuit for measuring on-chip power supply integrity
09/19/2002US20020133740 Redundant controller data storage system having system and method for handling controller resets
09/19/2002US20020133737 System and a method for asynchronous replication for storage area networks
09/19/2002US20020133644 Method of transmitting and receiving QPSK digital signals
09/19/2002US20020133615 Nack suppression for multicast protocols in mostly one-way networks
09/19/2002US20020133589 Dynamic bandwidth negotiation scheme for wireless computer networks
09/19/2002US20020133583 Distributed chassis agent for network management
09/19/2002US20020132632 High data rate communication
09/19/2002US20020131528 System and method of parallel partitioning a satellite communications modem
09/19/2002US20020131525 Method of transmitting and receiving QAM-16 digital signals
09/19/2002US20020131524 System and method using multi-dimensional constellations with low receiver soft- decision extraction requirements
09/19/2002US20020131516 Method and system for utilizing space-time and space-frequency codes for multi-input multi-ouput frequency selective fading channels
09/19/2002US20020131515 Soft-decision metric generation for higher order modulation
09/19/2002US20020131514 Waveform diversity for communication using pulse decoding
09/19/2002US20020131486 Method and system for training a radio receiver
09/19/2002US20020131455 Method and apparatus for coordinating multi-point to point communications in a multi-tone data transmission system
09/19/2002US20020131449 System for adaptive resending request control in mobile radio communications
09/19/2002US20020131441 Method of determining an end of a transmitted frame in a frame-based communications network
09/19/2002US20020131439 Data transmission circuit and method
09/19/2002US20020131415 Modem relay protocol redundancy for reliable low speed modem communications over IP networks with substantial packet loss
09/19/2002US20020131394 Method for base station compressing and transmitting high speed data
09/19/2002US20020131392 Method and device for channel encoding in an information transfer system
09/19/2002US20020131391 Subscriber unit for compressing and transmitting high speed data
09/19/2002US20020131382 System and method for determining use of STTD encoding of base system
09/19/2002US20020131372 Interference reduction within a communication system
09/19/2002DE10111286A1 Control system for motor vehicle components comprises a transmitter that receives messages over bus with devices for monitoring messages transmitted and received by transmitter
09/19/2002DE10111206A1 Blinde Detektion für Mobilfunkempfänger Blind detection for wireless receiver
09/18/2002EP1241901A1 Adaptive resending request control method (ARQ) in a mobile radio communications system based on radio link measurements at the receiver side
09/18/2002EP1241837A1 Transmitting/receiving method and device therefor
09/18/2002EP1241833A1 Communication system and communication control apparatus and method
09/18/2002EP1241824A1 Multiplexing method in a multicarrier transmit diversity system
09/18/2002EP1241823A1 Data communication system with self-test facility
09/18/2002EP1241822A1 Transmitter of data blocks in ARQ mode to a mobile station
09/18/2002EP1241821A1 Method of data packet error protection
09/18/2002EP1241801A1 Site diversity method, method for receiving digital satellite broadcast, and receiver for digital satellite broadcast
09/18/2002EP1241796A2 Communication system employing rate matching
09/18/2002EP1241795A2 Method and system for transmitting and receiving information using chain reaction codes