Patents
Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
05/2002
05/29/2002EP1209856A1 High-speed packet transmission system
05/29/2002EP1209839A2 System and method for automatic detection of impairments in a digital quadrature amplitude modulated signal
05/29/2002EP1209838A1 Asymmetric rate feedback and adjustment system for wireless communications
05/29/2002EP1209837A1 Communication device and communication method
05/29/2002EP1209836A1 Ofdm communication apparatus and method for propagation path estimation
05/29/2002EP1209831A2 Method of managing and monitoring performances in digital radio systems
05/29/2002EP1209824A1 Base station unit and method for radio communication
05/29/2002EP1208675A1 Multicast radio communication system and apparatus
05/29/2002EP1208665A1 Method and apparatus for detecting zero rate frames in a communications system
05/29/2002EP1208664A1 Transmission method with frequency and time spread at transmitter level
05/29/2002EP1208654A1 Apparatus and method for encoding and decoding tfci in a mobile communication system
05/29/2002EP1208413A2 Coded domain noise control
05/29/2002EP1188229A4 Detector tolerant of frequency misalignment
05/29/2002DE19931236C2 Verfahren zur Zuweisung von Übertragungskapazität zu Verbindungen in einem Funk-Kommunikationssystem A method for allocating transmission capacity on links in a radio communication system
05/29/2002DE10065919A1 Verfahren zur codierten Modulation A method for coded modulation
05/29/2002CN1351797A Digital television system for 8 MHZ channels
05/29/2002CN1351788A Cell discard notification
05/29/2002CN1351783A Apparatus and method for power control in a radio communication system
05/29/2002CN1351450A Method for retransmitting lost packets in fading channel
05/29/2002CN1351438A packet data transmission with mixed automatic request to resend
05/29/2002CN1085919C Redundancy arrangement for telecommunications system
05/29/2002CA2360726A1 Rate adaption in a wireless communication system
05/29/2002CA2360722A1 Hybrid arq with parallel packet transmission
05/29/2002CA2360720A1 Sub-packet adaptation in a wireless communication system
05/28/2002US6397369 Device for using information about the extent of errors in a signal and method
05/28/2002US6397368 Forward error correction with channel adaptation
05/28/2002US6397358 Method of identifying a frame for erasure in a digital data transmission system
05/28/2002US6397061 Method and apparatus to reprioritize data transfer in a short range Ad Hoc network
05/28/2002US6397042 Self test of an electronic device
05/28/2002US6396878 Reception method and a receiver
05/28/2002US6396871 Multi-channel parallel/serial concatenated convolutional codes and trellis coded modulation encoder/decoder
05/28/2002US6396821 Radio communication apparatus of diversity transmission system
05/28/2002US6396806 Transmission line duplexing processing method and apparatus thereof, and recording medium for recording its processing procedure
05/28/2002US6396804 High data rate CDMA wireless communication system
05/28/2002US6396423 Method for coding or decoding and device for coding or decoding
05/23/2002WO2002041651A2 Methods and apparatus for identifying asset location in mobile co mmunication networks
05/23/2002WO2002041647A2 Apparatus, and method for communicating packet data in a sdma (space-division, multiple-access) communication scheme
05/23/2002WO2002041643A2 Hybrid sdma/cdma system having adaptive antenna
05/23/2002WO2002041603A1 Data distribution control device and data distribution control method
05/23/2002WO2002041594A1 Method for coded modulation taking account of the error sensitivity of the user data and encrypting said data after coding
05/23/2002WO2002041584A2 System and method for efficiently communicating data over multiple networks using various transmission schemes
05/23/2002WO2002041563A2 Turbo decoding apparatus and method implementing stopping rule with circular redundancy code signature comparison
05/23/2002WO2002041552A2 Application development interface for multi-user applications executable over communication networks
05/23/2002WO2002041551A2 Method and apparatus for non-linear code-division multiple access technology
05/23/2002WO2002041550A1 Non-linear code-division multiple access technology with improved detection algorithms and error correction coding
05/23/2002WO2002041548A1 Ofdm communication device
05/23/2002WO2002041545A2 Wireless clock synchronization
05/23/2002WO2002041520A2 Improved frame structure for a communication system using adaptive modulation
05/23/2002WO2002041517A2 Method and system for optimization of switched-diversity performance
05/23/2002WO2002041509A2 Method and apparatus for high rate packet data and low delay data transmissions
05/23/2002WO2002041505A2 Method and apparatus for detection and classification of impairments on an rf modulated network
05/23/2002WO2002041504A2 Methods and apparatus for identifying asset location in communication networks
05/23/2002WO2002041498A2 Communication system and method utilizing request-reply communication patterns for data compression
05/23/2002WO2002041149A2 Fault tolerance for computer programs that operate over a communication network
05/23/2002WO2002009293A3 Hybrid dimensional, spherical space-time coding and decoding apparatus, and associated method, for a communication system
05/23/2002WO2001097438A3 Performance enhancement of transmission control protocol (tcp) for wireless network applications
05/23/2002WO2001093109B1 Viewer object proxy
05/23/2002WO2001078489A3 Frame-based communication with variable rate payload
05/23/2002WO2001076094A3 Space-time code for multiple antenna transmission
05/23/2002WO2001076079A3 Enhanced turbo product code decoder system
05/23/2002WO2001069862A3 Mobile ad hoc extensions for the internet
05/23/2002WO2001069788A3 Turbo decoder and turbo decoding method
05/23/2002WO2001048927A9 Method and apparatus for concatenated channel coding
05/23/2002US20020062468 Decoding apparatus and decoding method, and data receiving apparatus and data receiving method
05/23/2002US20020062467 System and method for reliable billing of content delivered over networks
05/23/2002US20020062460 Failure detector for communication network in automobile
05/23/2002US20020061079 Turbo decoder with circular redundancy code signature comparison
05/23/2002US20020061078 Method and apparatus for soft-in soft-out turbo code decoder
05/23/2002US20020061076 OFDM transmit signal receiver
05/23/2002US20020061073 Apparatus and method for controlling wireless communication signals
05/23/2002US20020061071 Parallel concatenated code with soft-in soft-out interactive turbo decoder
05/23/2002US20020061070 Parallel concatenated code with soft-in soft-out interactive turbo decoder
05/23/2002US20020061069 Method and apparatus for performing calculations for forward (alpha) and reverse (beta) metrics in a map decoder
05/23/2002US20020061050 Method for initial power control for spread-spectrum communications
05/23/2002US20020061031 Systems and methods for interference mitigation among multiple WLAN protocols
05/23/2002US20020061024 Method and apparatus for providing a broadband, wireless, communications network
05/23/2002US20020061008 Transfer of data in a telecommunications system
05/23/2002US20020060997 Method of link adaptation of blind type using acknowledgements in ARQ system
05/23/2002US20020060996 Apparatus and method for determining use/nonuse of transmit diversity by P-CCPCH in an NB-TDD CDMA mobile communication system
05/23/2002DE10156417A1 Fault detection device for automobile communications network evaluates counted number of messages from each sub-control unit received at main control unit
05/23/2002DE10065937A1 Verfahren und Anordnung zum Messen der Bitfehlerrate und/oder Blockfehlerrate eines Mobiltelefons Method and device for measuring the bit error rate and / or block error rate of a mobile phone
05/23/2002DE10057487A1 Broadcast channel detection method has statistically independent broadcast signals for mobile subscriber generated in radio cell of mobile communications base station
05/23/2002DE10055658A1 Receiver synchronization method compares values of minimal metric signal sequence obtained by decoding reception signal with threshold value
05/23/2002CA2853156A1 Improved frame structure for a communication system using adaptive modulation
05/23/2002CA2825592A1 Improved frame structure for communication system using adaptive modulation
05/23/2002CA2723065A1 Improved frame structure for a communication system using adaptive modulation
05/23/2002CA2604072A1 Turbo decoder with circular redundancy code signature comparison
05/23/2002CA2426905A1 Method and apparatus for high rate packet data and low delay data transmissions
05/23/2002CA2398781A1 Wireless clock synchronization
05/22/2002EP1207714A1 Communication terminal device, and base station device
05/22/2002EP1207709A1 Retransmission control method and the apparatus
05/22/2002EP1207665A2 Rate adaptation and parameter optimization for multiband transmission
05/22/2002EP1207663A2 Signal quality assessment in a multicarrier receiver
05/22/2002EP1207659A2 Data transmission method, data transmission system, transmitter and receiver
05/22/2002EP1207648A2 Method and system for measuring the bit error rate and/or the block error rate of a mobile phone
05/22/2002EP1207647A1 Transport channel multiplexing system and method
05/22/2002EP1207646A1 Data transmission apparatus and data transmission method
05/22/2002EP1207645A1 Feedback technique for wireless systems with multiple transmit and receive antennas
05/22/2002EP1207644A2 Method of link adaptation of blind type using acknowledgements in ARQ system
05/22/2002EP1207628A2 Transmission power control method, transmitting and receiving apparatus, base station and mobile station