Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
02/2004
02/25/2004EP1392010A1 Transmission power control circuit using w-cdma method
02/25/2004EP1392007A1 Interference canceller
02/25/2004EP1392005A1 Method for channel estimation and corresponding radio communications system
02/25/2004EP1392003A2 Method for transmitting preamble of access channel in mobile communication system
02/25/2004EP1391126A1 Dynamic channel quality measurement procedure for adaptive modulation and coding techniques
02/25/2004EP1391054A1 Reducing mutual channel interference in frequency-hopping spread spectrum wireless communication systems, such as bluetooth systems
02/25/2004EP1391052A1 Cdma searcher with time offset compensation
02/25/2004CN1478340A Turbo decoder with circular redundancy information code signature comparison
02/25/2004CN1478333A Apparatus and method for measuring interference signal power, and device and method for controlling transmitting power
02/25/2004CN1477806A Wireless mobile location communication module
02/25/2004CN1477805A Number carrying method between mobile communication networks
02/25/2004CN1477804A Method for implementing one machine to several numbers in code devision multiple address system
02/25/2004CN1140151C Transmission of GSM circuit-switched data over CDMA link
02/25/2004CN1140145C Radio signal sender
02/25/2004CN1140080C Time-share controlled digital matched filter
02/25/2004CN1140079C Operation and maintenance method of orthogonal variable bandspread factor code
02/25/2004CN1140077C Effective closed-loop power control method for radio multimedia CDMA communication system
02/25/2004CN1140076C Parallel interferences cancel tester of join judge part
02/25/2004CN1140074C Frequency modulation circuit
02/25/2004CN1140073C Communication terminal device and radio communication method
02/24/2004US6697634 Apparatus and method for selecting a transmit power value from multiple calculated power levels
02/24/2004US6697418 Spread spectrum communication device and communication system
02/24/2004US6697384 Method and apparatus for calculating a state of starting a PN code generating operation
02/24/2004US6697350 Adaptive vector correlator for spread-spectrum communications
02/24/2004US6697347 Method and apparatus for controlling transmission of packets in a wireless communication system
02/24/2004CA2290579C Asymmetric channel allocation for a mobile station in a cdma communication network
02/19/2004WO2004016033A2 Method and system for leaving a communication channel in a wireless communications system
02/19/2004WO2004015890A1 Radio communication system with adaptive interleaver
02/19/2004WO2004015882A1 Method for generating communication signal sequences having desirable correlation properties and system for using same
02/19/2004WO2004015555A2 Method and apparatus for position sensing
02/19/2004US20040034863 Fast digital channel changing
02/19/2004US20040032849 Method for generation of training sequence in channel estimation
02/19/2004US20040032838 Apparatus and method for increasing channel capacity of a mobile communication system
02/19/2004DE19928019B4 Empfangseinrichtung für ein synchrones Mehrpunkt-zu-Punkt CDMA Netzwerk Receiving device for a synchronous multipoint-to-point CDMA network
02/19/2004CA2495014A1 Method and apparatus for position sensing
02/18/2004EP1389874A2 Fast digital channel changing
02/18/2004EP1389844A1 Apparatus and method for increasing channel capacity of a mobile communication system using HPSK
02/18/2004EP1389400A1 Synchronization of stored service parameters in a communication system
02/18/2004EP1389369A2 Physical layer processing for a wireless communication system using code division multiple access
02/18/2004EP1284061B1 Method for synchronizing a receiver with a transmitter
02/18/2004EP0651925B1 Frequency hopping time-diversity communications systems and transceivers for local area networks
02/18/2004CN1476692A Error control method for mobile communication system
02/18/2004CN1476689A Apparatus and method for transmitting and receiving forward channel quality information in mobile communication system
02/18/2004CN1476687A Power controlling method during soft handoff in mobile communication system
02/18/2004CN1476684A Method and apparatus for generating PN sequences at arbitrary phases
02/18/2004CN1476192A Method for decoding identification code transmitted by mobile station to base station in CDMA cellular communication system
02/18/2004CN1476191A Simulationi realizing method based on grouping data business process and system
02/18/2004CN1139288C Method for controlling communication system and system using said method
02/18/2004CN1139214C Device and method for transmitting precode of access channel in mobile communication system
02/18/2004CN1139213C Wireless communication system with CDMA, FDMA and TDMA multiple access component
02/18/2004CN1139212C Apparatus and method for controlling communication based on moving speed
02/18/2004CN1139211C Multiplex transmission device of CDMA mode and multiplex transmission method of CDMA mode
02/18/2004CN1139203C Method and radio station for transmitting data
02/17/2004US6693951 System and method for generating signal waveforms in a CDMA cellular telephone system
02/17/2004US6693885 Method, mobile station and base station for transmitting signals
02/17/2004US6693636 Information transfer system, a transmitter, a receiver and a record carrier for use in the system
02/17/2004CA2286816C Base station apparatus of mobile communication system
02/12/2004WO2004013976A2 Method and mobile station for reporting multi-path signals based on a report window
02/12/2004WO2003088506A3 System and method for selecting spreading codes based on multipath delay profile estimation for wireless communications network
02/12/2004US20040030713 Transmission apparatus, a transmission method, transmission control program, medium containing transmission control program, reception apparatus, reception method, reception control program, and medium containing reception control program
02/12/2004US20040029606 Method and apparatus for concurrently processing multiple calls in a spread spectrum communications system
02/12/2004US20040029589 Method and mobile station for reporting multi-path signals based on a report window
02/12/2004US20040029588 Method for changing over to different frequency at cellular phone system and cellular phone system using the method and base station controlling apparatus in the system and mobile communication terminal in the system
02/12/2004US20040029579 Wireless communication system
02/12/2004US20040029545 Method and system for leaving a communication channel in a wireless communications system
02/12/2004US20040028006 Random access method and radio station
02/12/2004US20040028004 Radio communication system with adaptive interleaver
02/11/2004EP1389028A2 Apparatus and method for measuring propagation delay in an NB-TDD CDMA mobile communication system
02/11/2004EP1388954A2 Method for multiple access and transmission in a point-to-multipoint system on an electrical network
02/11/2004EP1388226A2 Channel quality measurements for downlink resource allocation
02/11/2004EP1388224A1 Physical channel configuration signaling procedures
02/11/2004EP1388223A1 Channel assignment in hybrid tdma/cdma communication system
02/11/2004EP1388214A2 System for direct sequence spreading
02/11/2004EP1221215B1 Converter and method for converting an input data packet stream into an output data symbol stream
02/11/2004CN1474530A Method and device for detecting multi-user's code path activation in radio communication system
02/11/2004CN1474529A Radio terminal receiver and radio signal receiving treating method
02/11/2004CN1474526A Amplitude/phase error corrector of array antenna radiofrequency path
02/11/2004CN1474513A Data transmitting machine and receiver of extensionable frequency spectrum communication system using pilot frequency channels
02/11/2004CN1138428C Method for selecting synchronous code in synchronizing system of mobile communication
02/11/2004CN1138426C Phonetic channel exchange method for calling adaptation in mobile communication system
02/11/2004CN1138375C Forward power control method for CDMA mobile communication system
02/11/2004CN1138374C Time-space multi-path search method and device for wireless CDMA communication system
02/11/2004CN1138373C Calling permission control method in multiservice CDMA mobile communication system
02/11/2004CN1138372C Calling-on control method in CDMA communication system
02/11/2004CN1138371C Method for distributing forward link initial emission power in CDMA system
02/11/2004CN1138370C Interference inhibiting treatment method for forward link
02/11/2004CN1138369C Interference eliminating method in CDMA system
02/11/2004CN1138368C Apparatus and method of searching for PN sequence phase in multi-carrier CDMA mobile communication system
02/11/2004CN1138367C Safety alliance (SA) generation method for safety communication between nodes of network area
02/11/2004CN1138365C Signal interference ratio (SIR) measuring method
02/11/2004CN1138364C Forward service rate regulating method and mobile station in CDMA system
02/11/2004CN1138354C Transmission method combining CDMA tech. with variable speed image compression coding tech.
02/11/2004CN1138352C Interleaving/deinterleaving device and method for communication system
02/11/2004CN1138346C Iterative decoder and iterative decoding method for communication system
02/10/2004US6690915 Booster, monitoring apparatus, booster system, control method and monitoring method
02/10/2004US6690322 Wireless communications terminal, computer program executable by wireless communications terminal and method for outputting positional information from wireless communications terminal
02/05/2004WO2004012368A1 Multi-carrier transmission device and multi-carrier transmission method
02/05/2004WO2004012355A1 Ultra-wideband high data-rate communication apparatus and associated method
02/05/2004WO2004012341A1 Power and confidence ordered low complexity soft turbomud with voting system
02/05/2004WO2003067379A3 Method and system of reducing electromagnetic interference emissions