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)
10/1995
10/25/1995EP0678991A2 Method of controlling synchronization signal power in a spread spectrum communication system
10/25/1995CN1110890A CDMA transmission system
10/25/1995CN1110887A A data transmission method and a cdma/fdma radio system
10/25/1995CN1110860A 无线电系统 Radio Systems
10/24/1995US5461639 Fast forward link power control in a code division multiple access system
10/23/1995CA2147188A1 Method of controlling synchronization signal power in a communication system
10/17/1995US5459763 Navigation message receiver for global positioning system
10/17/1995US5459759 Frequency hopping code division multiple access system and method
10/12/1995WO1995027380A1 Mobile radio communication system
10/11/1995EP0676107A1 Demodulation element assignment in a system capable of receiving multiple signals
10/11/1995CN1110076A Apparatus for interference cancellation in a digital radio link between a fixed and a mobile radio unit
10/10/1995US5457813 Method for automatic transmission power control in a transceiver suitable for a CDMA environment employing direct sequence diffusion
10/10/1995CA2032909C Csk communication system
10/03/1995US5455967 Mobile communication system and transmission power control method for a base station therein
09/1995
09/28/1995WO1995026094A1 Pcs pocket phone/microcell communication over-air protocol
09/28/1995CA2186031A1 Pcs pocket phone/microcell communication over-air protocol
09/20/1995EP0673130A1 CDMA communication with a propagation delay between a base and a mobile station taken into account
09/20/1995EP0672320A1 Transmission using ofdm with polarization multiplexing
09/20/1995EP0511341B1 A radio transceiver system
09/20/1995CN1108834A Method and apparatus for determining data rate of transmitted variable rate data in a communications receiver
09/19/1995US5452328 Technique for generating sets of binary spreading-code sequences for a high data-rate spread-spectrum network
09/14/1995WO1995024771A2 Data transmission method, base station equipment and mobile station
09/13/1995EP0671821A2 CDMA system using a spreading code divided into quadrature components and interference cancellation by substracting respread data from received signal
09/13/1995EP0671083A1 Method and apparatus for controlling signal quality in a cdma cellular telecommunications system.
09/12/1995US5450395 Code position modulation system and method for multiple user satellite communications
09/12/1995US5450035 Automatic gain control apparatus
09/08/1995WO1995024102A2 Method for transmitting calls of different priorities in a cellular network
09/06/1995EP0670090A1 Method and apparatus for power estimation in a communication system
09/06/1995EP0669958A1 Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids, and the use of such mixtures
09/05/1995US5448623 Satellite telecommunications system using network coordinating gateways operative with a terrestrial communication system
09/05/1995US5448593 Frequency hopping time-diversity communications systems and transceivers for local area networks
08/1995
08/31/1995WO1995023459A1 Method and apparatus for utilizing multiple spreading codes in a communication system
08/31/1995CA2158356A1 Method and apparatus for utilizing multiple spreading codes in a communication system
08/31/1995CA2158269A1 Method and apparatus for time division multiplexing the use of spreading codes in a communication system
08/30/1995EP0669068A1 Method and apparatus for operating with a hopping control channel in a communication system
08/30/1995EP0669065A1 Apparatus and method for conveying information in a communication network
08/29/1995US5446757 Code-division-multiple-access-system based on M-ary pulse-position modulated direct-sequence
08/29/1995US5446756 Integrated cellular communications system
08/29/1995US5446727 Method and apparatus for time aligning signals for reception in a code-division multiple access communication system
08/24/1995WO1995022859A1 A high-data-rate wireless local-area network
08/23/1995EP0668673A1 Code division multiplex transmitter/receiver
08/23/1995EP0668668A1 Mobile CDMA/TDD telecommunication system with transmission antennas selection means
08/23/1995EP0667999A1 Navigation assistance for call handling in mobile telephone systems
08/23/1995EP0667995A1 A data transmission method and a cdma/fdma radio system
08/17/1995WO1995022213A1 Method and system for cdma mobile radio communication
08/17/1995WO1995022210A2 Dynamic sectorization in a spread spectrum communication system
08/17/1995WO1995022209A1 Method and apparatus for multiuser-interference reduction
08/17/1995CA2183258A1 Dynamic sectorization in a spread spectrum communication system
08/16/1995EP0667686A2 DS/CDMA diveristy receiver with despreading filters
08/16/1995EP0667088A1 Time slot selection for a radio connection, particularly in a cordless telecommunications system
08/15/1995US5442662 Code-division multiple-access communication system providing enhanced capacity within limited bandwidth
08/15/1995US5442659 Radio communications system with fault tolerant frequency hopping synchronization
08/15/1995US5442627 Noncoherent receiver employing a dual-maxima metric generation process
08/15/1995US5442625 Code division multiple access system providing variable data rate access to a user
08/03/1995WO1995020844A1 Method and apparatus for a radio communication system
08/02/1995EP0665663A1 Method for selectively receiving spread spectrum signal on chip basis
08/01/1995US5438596 Method and apparatus for generating diffusion code
08/01/1995US5438589 Spread spectrum communication system
08/01/1995CA2041913C Phase controlled synchronization for direct sequence spread-spectrum communication systems
07/1995
07/27/1995WO1995020277A1 Method and apparatus for simultaneous wideband and narrowband wireless communication
07/26/1995CN1105789A Automatic gain control apparatus
07/25/1995US5436941 Spread spectrum spectral density techniques
07/18/1995US5434893 Component for a differential transmitter-receiver of signals with direct sequence spread spectrum and the corresponding transmitter-receiver
07/11/1995US5432814 Spread spectrum communication system
07/05/1995EP0661831A2 DS/CDMA Receiver using parallel-operating multi-purpose correlators
07/05/1995EP0661830A2 Synchronization acquisition and tracking for a direct sequence spread spectrum receiver
07/04/1995US5430775 Method and apparatus for a radio communication system
07/04/1995US5430733 Digital transmission system for multiplexing and demultiplexing signals
07/04/1995US5430713 Frequency hopping in digital cellular networks
07/04/1995US5430568 Optical communications system for transmitting information signals having different wavelengths over a same optical fiber
06/1995
06/29/1995WO1995017786A1 An apparatus and method for digitally processing signals in a radio frequency communication system
06/29/1995WO1995017785A1 Direct conversion cdma receiver
06/28/1995EP0660561A1 Circuit for recognition of a sequence of words in a modem
06/28/1995EP0660541A2 PN code synchronizing method and transmitter and receiver in spread spectrum communication systems
06/28/1995EP0659326A1 Time alignment of transmission in a down-link of a cdma system
06/28/1995EP0659317A1 Cdma transmission system
06/28/1995CN1104394A 扩展频谱通信系统 Spread spectrum communication system
06/27/1995US5428602 Frequency-hopping arrangement for a radio communication system
06/21/1995EP0658991A1 Mobile communication system capable of transmitting and receiving a radio signal obtained by TDMA and CDMA without interference
06/21/1995EP0658985A2 CDMA receiver base station having common control channel
06/15/1995WO1995016319A1 Method and apparatus for creating a composite waveform
06/15/1995WO1995015038A3 Communication method in a radio telephone system
06/14/1995EP0657084A1 Apparatus for interference cancellation in a digital radio link between a fixed and a mobile radio unit
06/13/1995US5425050 Television transmission system using spread spectrum and orthogonal frequency-division multiplex
06/13/1995US5425049 Staggered frequency hopping cellular radio system
06/08/1995WO1995015639A1 Method and apparatus for multi-phase component downconversion
06/08/1995WO1995015626A1 Time alignment in a cdma system
06/07/1995EP0656708A1 System and method for the transmission and validation of an updated encryption key between two users
06/07/1995EP0656698A1 A frequency error correction in a DSSS receiver
06/07/1995CN1103521A Noncoherent receiver employing a dual-maxima metric generation process
06/06/1995US5423001 Data transmission and apparatus, data processing apparatus and a neural network which utilize phase shifted, modulated, convolutable pseudo noise
06/06/1995US5422952 Dynamic radio communications system
06/06/1995US5422909 Method and apparatus for multi-phase component downconversion
06/04/1995CA2134013A1 Exchange certificate for one way validation of information
06/01/1995WO1995015038A2 Communication method in a radio telephone system
05/1995
05/31/1995EP0655845A1 Spread spectrum packet transmission system
05/31/1995CN1103222A 频谱扩展通信系统 The spread spectrum communication system
05/30/1995US5420896 Synchronous spread-spectrum communications system and method
05/30/1995US5420850 Mobile station and cell selecting method for code division multiplex access mobile communication
05/23/1995US5418813 Method and apparatus for creating a composite waveform
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