Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 13 - Code division multiplex systems
Patents for H04J 13 - Code division multiplex systems (21,510)
08/1999
08/18/1999CN1226110A Method for converting signal data rate, and transmitter
08/17/1999WO1999041867A1 Radio communication equipment and communication method
08/17/1999US5940749 Apparatus for eliminating external interference signals in code division multiple access mobile phone and method therefor
08/17/1999US5940434 Walsh-QPSK chip modulation apparatus for generating signal waveform in a direct sequence spread spectrum communication system
08/17/1999US5940432 Spread spectrum radiocommunication device utilizing rake reception scheme
08/17/1999CA2268975A1 Radio communication apparatus and radio communication method
08/11/1999CN1225764A Multi-code compressed mode DS-CDMA systems and methods
08/11/1999CN1225529A Apparatus and method for controlling communications based on moving speed
08/11/1999CA2260329A1 Adaptive signal receiver for cdma communication system
08/10/1999US5937000 Method and apparatus for embedding auxiliary data in a primary data signal
08/10/1999US5936997 Spread spectrum communication method
08/10/1999CA2139062C Pn code synchronizing method and transmitter and receiver in spread spectrum communication systems
08/04/1999EP0933955A1 Cellular radio system allowing mobile station to communicate through base station connected via cdma radio channel, and base station device and mobile station device used in the same
08/04/1999EP0933882A2 Peak detecting circuit for detecting a peak of a time discrete signal by an approximate function
08/04/1999EP0932954A1 A class of low cross correlation non-palindromic synchronization sequences for code tracking in synchronous multiple access communication systems
08/04/1999CN1224985A CDMA soft handoff control method
08/03/1999US5933424 For use in a communication system
08/03/1999CA2042522C Global positioning system receiver
07/1999
07/29/1999WO1999038337A2 Method and system for generating a complex pseudonoise sequence for processing a code division multiple access signal
07/29/1999WO1999038298A1 Pulse shaping according to modulation scheme
07/29/1999WO1999038297A1 Pulse shaping which compensates for component distortion
07/29/1999WO1999038278A1 Data communication method in mobile communication system
07/29/1999WO1999038277A1 Mobile communication terminal
07/29/1999WO1999038271A1 System for discrete data transmission with noise-like, broadband signals
07/29/1999WO1999009674A3 Method and apparatus for interference cancellation for a high data rate user in a cdma system
07/29/1999CA2318866A1 System for discrete data transmission with noise-like, broadband signals
07/28/1999EP0932267A1 Mobile communication system
07/28/1999EP0932263A2 Method for finger assignment in CDMA rake-receiver
07/28/1999CN1224562A General radio communication sytsem, transmission protocol, radio communication station, and radio frequency base station
07/28/1999CN1224553A Subsequent frame variable data rate indication method for various variable data rate systems
07/28/1999CN1224167A Interference detection for spread spectrum systems
07/27/1999US5930722 Digital mobile communication system and timing design method between various subsystems
07/27/1999US5930704 Reconfigurable subscriber terminal for a wireless telecommunications system
07/27/1999US5930684 Method for transmitting calls of different priorities which are associated with different power levels in a cellular network
07/27/1999US5930290 Spread spectrum communications system for high-speed communications
07/27/1999US5930244 CDMA Communication system and method
07/27/1999US5930230 High data rate CDMA wireless communication system
07/27/1999US5930229 Interference canceller for CDMA
07/22/1999WO1999037037A1 Mobile station assisted timing synchronization in a cdma communication system
07/22/1999WO1999022474A3 Telecommunication system for wireless telecommunication with a cdma, fdma and tdma multiple access component
07/21/1999EP0930740A2 Method for generating a frequency hopping sequence by concatenated coding, and radio device and radio communication system therefor
07/21/1999EP0930727A2 CDMA multiuser receiver featuring a combination of array antenna and multiuser interference cancellers
07/21/1999EP0930724A2 Interference detection for spread spectrum systems
07/21/1999EP0929959A1 Method for transmitting data packets on carrier frequency with linear variation and transmitter implementing this method
07/21/1999CN1223758A Method of controlling initial power ramp-up in CDMA systems by using short codes
07/21/1999CN1223757A System for radio transmission of digital signals between a plurality of subscriber stations and a base station
07/21/1999CN1223515A Rate changeable communication system and receiving/transmitting device adated to said system
07/20/1999US5926512 Matched filter circuit
07/20/1999US5926501 Method and apparatus for dynamic channel configuration
07/15/1999WO1999035762A1 Method and apparatus for increasing spectral efficiency of cdma systems using direct sequence spread spectrum signals
07/15/1999WO1999035761A1 A method for using encoded spreading codes to achieve high bit densities in a direct-sequence
07/15/1999WO1999035760A1 A method using codebook indexing to achieve high bit densities in a ds-cdma-ss communication system
07/15/1999WO1999035759A1 A method for using circular spreading codes to achieve high bit densities in a direct-sequence spread spectrum communications system
07/15/1999CA2317751A1 Method and apparatus for increasing spectral efficiency of cdma systems using direct sequence spread spectrum signals
07/14/1999EP0929161A2 A multi-carrier CDMA transmission system with frequency and space diversity
07/14/1999EP0745290A4 A high-data-rate wireless local-area network
07/14/1999CN1223041A Code-rate increased compressed mode DS-CDMA system and methods
07/14/1999CN1222798A Receiver apparatus for CDMA communication system
07/14/1999CN1222734A Method and device for superimposing additional information on video signal
07/13/1999US5924043 Method and apparatus for controlling transmission power in a cellular mobile communication system
07/13/1999US5923668 Apparatus and method of establishing a downlink communication path in a wireless telecommunications system
07/13/1999US5923650 To schedule high speed transmissions on a reverse link
07/13/1999CA2158115C Method and apparatus for increasing spectrum efficiency
07/08/1999WO1999034546A1 Rake receiver for direct spreading cdma transmission
07/08/1999WO1999022475A3 Radiocommunications system and control device
07/08/1999WO1999022469A3 Method for transmitting data, a control device and a radio station
07/07/1999EP0928078A1 Mobile communications system and mobile communications method
07/07/1999EP0701753A4 A communication method for an adaptive direct sequence cdma communication system
07/07/1999CN1222046A Cellular multicarrier wireless communication system
07/07/1999CN1222011A Device and method for generating spread spectrum signals
07/06/1999US5920819 Overlay cell type mobile communication system
07/06/1999US5920591 Spreading code generator and CDMA communication system
07/06/1999US5920590 Variable bandwidth spread spectrum device
07/06/1999US5920553 Data transmission method, base station equipment and mobile station
07/06/1999US5920551 Channel structure with burst pilot in reverse link
07/06/1999US5920549 Method of handing off and a wireless communication device
07/06/1999US5920496 High speed correlator using up/down counter
07/06/1999CA2163134C Transmission bit rate discrimination method and apparatus
07/06/1999CA2148279C Wire-free telecommunications system, preferably a cordless telecommunications system
07/01/1999WO1999033295A1 System for transporting frequency hopping signals
07/01/1999WO1999033212A1 Concatenated codes for spread spectrum communication
07/01/1999WO1999020000A3 A method of and a system for voice and data radio communication providing improved interference diversity
07/01/1999DE19860094A1 Reception of RF signals in spread-spectrum data transmission system
07/01/1999CA2316377A1 System for transporting frequency hopping signals
07/01/1999CA2314933A1 Concatenated codes for spread spectrum communication
06/1999
06/30/1999EP0925673A1 Cellular communication system with dynamically modified data transmission parameters
06/30/1999CN1221529A Packet data transmission with clash subtraction
06/30/1999CN1221263A CDMA receiver phase tracking system
06/30/1999CN1221262A Device and method for generating spread spectrum signal in CDMA mobile communications system
06/30/1999CN1043940C Wireless packet data communications modem and method of use therein
06/29/1999US5918160 Subscriber terminal for a wireless telecommunications system
06/24/1999WO1999031835A1 Channel estimation device, and cdma receiver and cdma transmitter/receiver having the device
06/24/1999WO1999031820A1 A mobile station having plural antenna elements and interference suppression
06/24/1999WO1999020061A3 Method and receiving device for estimating channels in communications systems
06/24/1999DE19820761C1 Channel estimation e.g. GSM system
06/24/1999CA2314102A1 A mobile station having plural antenna elements and interference suppression
06/23/1999EP0924876A2 Data communication apparatus and method with antennas diversity
06/23/1999EP0924868A1 Cell search method and mobile station apparatus
06/23/1999CN1220792A Cablibration device for array antenna wireless receiver
06/23/1999CN1220562A Smart antenna receiver using pilot signal in CDMA mobile communication system and signal receiving method therefor
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