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)
04/1999
04/27/1999US5898740 Power control method in a cellular communication system, and a receiver
04/22/1999WO1999020061A2 Method and receiving device for estimating channels in communications systems
04/22/1999WO1999020011A1 Method and radio station for transmitting data
04/22/1999WO1999020000A2 A method of and a system for voice and data radio communication providing improved interference diversity
04/22/1999WO1999019992A1 Multi-layered pn code spreading in a multi-user communications system
04/22/1999WO1999007087A3 Communication using spread spectrum methods over optical fibers
04/22/1999CA2306213A1 A method of and a system for voice and data radio communication providing improved interference diversity
04/21/1999EP0910188A1 A method of and a system for voice and data radio communication providing improved interference diversity
04/21/1999EP0910174A2 Code shift keying (CSK) apparatus and method for spectrum spread communication
04/21/1999CN1214816A Method for reducing interference and radio system
04/21/1999CN1214580A Method and apparatus of detecting spectrum spread signal
04/20/1999US5896419 Communication method and apparatus in which transmission control data stored in memory is selected based on a detected signal quality from a decoder
04/20/1999US5896374 Variable rate transmission method, transmitter and receiver using the same
04/20/1999US5896368 Multi-code compressed mode DS-CDMA systems and methods
04/15/1999WO1999018686A1 Coding and modulating system
04/15/1999WO1999008407A3 Device for transmitting data to mobile radio telephone networks
04/15/1999DE19843664A1 Radio communication system for moving objects
04/15/1999DE19743350A1 Verfahren und Kommunikationssystem zur drahtlosen Informationsübertragung Method and communication system for wireless information transfer
04/14/1999EP0908024A1 Packet-switched spread-spectrum system
04/14/1999EP0908021A2 A method of controlling initial power ramp-up in cdma systems by using short codes
04/14/1999CN1213945A Base radio station research device
04/14/1999CN1042998C Transmission power control method of spread-spectrum communication system, and spread-spectrum communication system employing control method
04/13/1999US5894473 Multiple access communications system and method using code and time division
04/08/1999WO1999017468A1 Method and communication system for wireless tdma information transfer between base stations and mobile stations with randomly controlled selection of uplink channels
04/08/1999WO1999005797A3 Communication system and method with orthogonal block encoding
04/08/1999DE19843459A1 Code division multiple access signal quality measuring method
04/07/1999CN1213232A Device and method for functuring and recovering code in spread spectrum communication system
04/06/1999US5892792 12-chip coded spread spectrum modulation for direct conversion radio architecture in a digital cordless telephone
04/02/1999CA2249033A1 Complete radio navigation receiver, particularly of the gps type
04/01/1999WO1999016189A1 Mobile communication equipment
04/01/1999WO1998054850A9 Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction
04/01/1999DE19841148A1 Telecommunications receiver for demodulation of multichannel received signal
03/1999
03/31/1999EP0842567B1 Synchronization to pseudo random number sequence with sign ambiguity in communications systems
03/31/1999EP0672320B1 Transmission using ofdm with polarization multiplexing
03/31/1999CN1212798A Method for generating dummy frequencies for frequency hard handover in code division multiple access mobile communication system
03/31/1999CN1212594A Communication method, transmission and reception apparatuses, and cellular radio communication system
03/31/1999CN1212592A PN code generating device and mobile radio communication system
03/31/1999CN1212590A Communication channel assigning system
03/31/1999CN1212537A Shared time-division pilot synchronous orthogonal code division multiple access channel structure
03/31/1999CN1212536A Method and device of superimposing additional information signal on video signal and detecting said additional information from said video signal
03/31/1999CN1212533A CDMA modem with highly multiplexed dedicated searcher and at least one combination finger/searcher
03/30/1999US5889768 Method of and apparatus for pilot channel acquisition
03/25/1999WO1999014878A1 A method of and apparatus for transmitting data in a multiple carrier system
03/25/1999DE19746083C1 Data transmission method for radio interface in radio communications system
03/24/1999EP0903951A2 Base station searching device
03/24/1999EP0903871A2 Spread spectrum signal generating device and method
03/24/1999EP0903870A2 CDMA radio communication apparatus
03/24/1999EP0903023A1 Transmission of signaling data in an adjustable rate wireless communication system
03/24/1999EP0903016A2 Code division multiple access communication system
03/24/1999EP0667999A4 Navigation assistance for call handling in mobile telephone systems.
03/24/1999CN1211861A Orthogonal code hopping multiple access communication system
03/23/1999US5887022 Peer-peer frequency hopping spread spectrum wireless system
03/23/1999US5887020 Multi-band, multi-mode spread-spectrum communication system
03/23/1999CA2153682C Method and apparatus for multi-phase component downconversion
03/20/1999CA2247742A1 Cdma radio communication apparatus
03/20/1999CA2247725A1 Base station searching device
03/19/1999WO1999016190A1 Equipment and method for radio communication
03/19/1999CA2249008A1 High throughput embedded cope hopping system with bypass mode
03/18/1999WO1999013605A1 Method and apparatus for providing orthogonal spot beams, sectors, and picocells
03/18/1999WO1999013604A1 Method and system for controlling speech encoding in a communication system
03/18/1999WO1999013599A1 Method for generating quasi-orthogonal code and spreader using the same in mobile communication system
03/18/1999CA2302279A1 Method and system for controlling speech encoding in a communication system
03/17/1999EP0902549A2 Device and method for bi-orthogonal code hopping multiple access communication
03/17/1999EP0901722A1 Subscriber unit for cdma wireless communication system
03/17/1999EP0830750B1 Apparatus and method of transmitting and receiving information in a wireless telecommunications system
03/17/1999EP0774182A4 Method and apparatus for a radio system operating on shared communication channels
03/17/1999CN1211120A Receiving apparatus, receiving method, and terminal unit for use with radio system
03/17/1999CN1211111A Spread spectrum receiver and transmission power control method
03/16/1999US5883920 Spread spectrum receiving apparatus with battery saving function
03/16/1999US5883899 Code-rate increased compressed mode DS-CDMA systems and methods
03/11/1999WO1999012374A1 Method and device for transmitting user data in a radiocommunication system
03/11/1999WO1999012295A1 Cell searching in a cdma communications system
03/11/1999WO1999012284A1 A method for assigning spreading codes
03/11/1999WO1999012282A1 Downlink channel handling within a spread spectrum communications system
03/11/1999WO1999012274A1 Apparatus and method for transmitting signals in a communication system
03/11/1999CA2300996A1 Downlink channel handling within a spread spectrum communications system
03/11/1999CA2299297A1 A method for assigning spreading codes
03/10/1999EP0901243A2 Communication channel assigning system
03/10/1999EP0901237A2 CDMA Rake receiving apparatus
03/10/1999EP0901236A2 PN code generator
03/10/1999CN1210655A Connection establishment method, subscriber terminal unit and radio system
03/10/1999CN1210406A Two stage mixed direct series spread spectrum/code devision multiple access communication fast capturing structure
03/10/1999CN1210405A Mobilt communication system
03/09/1999US5881100 Method and apparatus for coherent correlation of a spread spectrum signal
03/09/1999US5881094 Frequency hopping code division multiple access system and method
03/09/1999US5881057 Synchronous detector with reduced error computation for maximal-ratio combining
03/09/1999US5881056 Method and apparatus of a multi-code code division multiple access receiver having shared accumulator circuits
03/04/1999DE19738156A1 Verfahren und Anordnung zur Übertragung von Nutzdaten in einem Funkkommunikationssystem Method and apparatus for transmitting user data in a radio communication system
03/03/1999EP0899895A1 Coherent demodulation of spread spectum signals without pilot signal
03/03/1999EP0899894A2 Smart antenna receiver and signal receiving method
03/03/1999EP0899893A1 Spread spectrum communications receiver
03/03/1999EP0579753B1 Three-cell wireless communication system
03/03/1999CN1209696A Code-distinguishing multi-address receiver for multiple users
03/02/1999US5878098 Method and apparatus for rate determination in a communication system
03/02/1999US5878037 Code division switching scheme
03/02/1999CA2246149A1 Method and device of superimposing and additional information signal on a video signal and detecting said additional information from said video signal
03/01/1999CA2245784A1 Method and apparatus of detecting spectrum spread signal
02/1999
02/25/1999WO1999009779A1 Method and apparatus for reverse link rate scheduling
02/25/1999WO1999009692A1 Spread spectrum address coding
02/25/1999WO1999009680A1 Mobile communication system
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