Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
02/1999
02/25/1999WO1999009674A2 Method and apparatus for interference cancellation for a high data rate user in a cdma system
02/24/1999EP0898400A2 Communication method, transmission and reception apparatuses, and cellular radio communication system
02/24/1999EP0898393A2 Pseudo-orthogonal code generating method and device
02/24/1999EP0898382A2 Switching and power control method and apparatus for wireless telecommunications
02/24/1999EP0898379A2 Code division multiple access communication with pilot aided detection
02/24/1999EP0858695A4 Apparatus and method for digital data transmission
02/24/1999CN1209003A Wireless communication apparatus and wireless communication method
02/23/1999US5875179 Method and apparatus for synchronized communication over wireless backbone architecture
02/23/1999CA2154795C An apparatus and method for digitally processing signals in a radio frequency communication system
02/20/1999CA2237827A1 Wireless communication apparatus and wireless communication method
02/18/1999WO1999008451A2 Synchronous wireless access protocol method and apparatus
02/18/1999WO1999008407A2 Device for transmitting data to mobile radio telephone networks
02/18/1999WO1998040972A3 Code division multiple access communication system
02/18/1999DE19733336A1 Verfahren und Funkstation zur Datenübertragung Procedures and radio station for data transmission
02/18/1999DE19733120A1 Verfahren und Funkstation zur Datenübertragung Procedures and radio station for data transmission
02/17/1999CN1208524A Radio communication equipment using algorithm diversity
02/17/1999CN1208521A Method and apparatus for providing antenna diversity in a portable radiotelephone
02/17/1999CN1208517A Re-orthogonalization of wideband CDMA signals
02/17/1999CN1208516A Shared wave removing device
02/16/1999US5872807 Spread spectrum clock generator and associated method
02/16/1999US5872519 System for monitoring and controlling an area
02/11/1999WO1999007087A2 Communication using spread spectrum methods over optical fibers
02/11/1999WO1999007085A2 Method and radio station for transmitting data
02/11/1999WO1999007084A2 Method and radio station for transmitting data
02/11/1999DE19733860A1 Einrichtung zur Datenübertragung in Mobilfunknetzen Means for transmitting data in mobile communications networks
02/11/1999CA2298716A1 Method and radio station for data transmission
02/11/1999CA2298599A1 Communication using spread spectrum methods over optical fibers
02/10/1999EP0896450A1 Device and method for synchronising pseudo-random sequences
02/10/1999EP0896441A2 CDMA receiver with antenna array
02/10/1999EP0895683A1 System for radio transmission of digital signals between a plurality of subscriber stations and a base station
02/10/1999EP0895676A1 Code-rate increased compressed mode ds-cdma systems and methods
02/10/1999EP0895675A1 Multi-code compressed mode ds-cdma systems and methods
02/10/1999EP0829138A4 Multiple transmission channel group transmitter
02/09/1999US5870425 Differential receiver of direct sequence spread spectrum signals
02/09/1999US5870378 Method and apparatus of a multi-code code division multiple access receiver having a shared accumulator circuits
02/09/1999CA2127616C Mobile communication unit
02/07/1999CA2243447A1 Single-channel and multichannel coherent demodulation devices with no controller, and corresponding reception set with several paths of variety
02/04/1999WO1999005801A2 Method and apparatus for data transmission using time gated frequency division duplexing
02/04/1999WO1999005797A2 Communication system and method with orthogonal block encoding
02/04/1999WO1998052377A3 Method for channel allocation
02/04/1999CA2297252A1 Method and apparatus for data transmission using time gated frequency division duplexing
02/03/1999EP0895365A2 CDMA Receiver using sampled chip sequence for precision synchronization with received data sequence
02/03/1999EP0895364A1 Frame structure for a multi-rate CDMA communication system
02/03/1999CN1207221A Code generating method and code selecting method
02/03/1999CN1207006A CDMA radio transmitter and receiver
02/03/1999CN1206972A Multi-stage iteration multi-subscriber test method
02/02/1999US5867527 Method of searching for a bursty signal
01/1999
01/28/1999WO1999004592A1 Data communication method, mobile machine, and radio base station
01/28/1999WO1999004591A1 Cdma mobile station and cdma transmission method
01/28/1999WO1999004538A1 Method and apparatus for data transmission within a broad-band communication system
01/28/1999WO1999004525A1 Cdma direct spread overlay system and method of operation
01/28/1999WO1999004513A1 Mobile communications system and mobile communications method
01/28/1999WO1999004512A1 Wireless telecommunications system with a cdma, fdma and tdma multiple access component, especially a 'jd-cdma' telecommunications system with hybrid multiple access techniques
01/28/1999CA2429736A1 Cdma mobile station apparatus and cdma transmission method
01/28/1999CA2294507A1 Cdma direct spread overlay system and method of operation
01/28/1999CA2266508A1 Data communication method, mobile machine, and radio base station
01/27/1999EP0893905A2 Image communication apparatus, method, and system, and image communication processing program contained in computer-readable medium
01/27/1999CN1206515A Efficient parallel-stage power amplifier
01/27/1999CN1206514A Apparatus and method for demodulating modulated signal
01/27/1999CN1206268A Method for controlling direct call between mobile subscriber terminals in mobile communication system
01/27/1999CN1206267A CDMA radio communication apparatus
01/27/1999CN1206266A Differential PSK signalling in CDMA networks
01/27/1999CN1206265A Video signal recording apparatus and method
01/27/1999CN1206264A Method for managing system fault for CDMA home location register
01/27/1999CN1206254A High data rate spread spectrum transceiver and associated methods
01/26/1999US5864577 Method, transmitter and receiver for the transmission of information in packets having a header and subpackets
01/26/1999CA2149679C Transmission power control method and apparatus for mobile communications using a cdma (code division multiple access) system
01/26/1999CA2037918C Code distribution multiple access communication system with user voice activated carrier and code synchronization
01/21/1999WO1999003225A1 Rate detection for variable rate cdma communication system
01/21/1999WO1999003224A1 Channelization code allocation for radio communication systems
01/21/1999CA2295813A1 Channelization code allocation for radio communication systems
01/20/1999EP0892508A2 Mobile communication system with frequency and time slot sharing in TDMA and CDMA signals for quality improvement
01/20/1999EP0892503A2 CDMA radio communication apparatus
01/20/1999EP0891664A1 Packet data transmission with clash subtraction
01/20/1999CN1205604A Method for radio resource control
01/20/1999CN1205584A CDMA communication apparatus and CDMA communication method
01/19/1999US5862465 Hysteresis-free anti-saturation circuit
01/19/1999US5862173 Re-orthogonalization of wideband CDMA signals
01/19/1999US5862139 Code-division-multiple-access (CDMA) receiver and method with DC component removal
01/19/1999US5862133 For communicating data
01/14/1999WO1999001994A2 A subscriber unit and method for use in a wireless communication system
01/14/1999WO1999001957A1 Satellite broadcasting system
01/14/1999WO1999001945A1 Signal detection method in a digital cellular receiver
01/13/1999EP0890845A2 S/N measuring circuit and method
01/13/1999CN1205143A Two-phase/four-phase modulated comb-shaped spread spectrum communication system
01/13/1999CN1205139A Power control method and cellular radio system
01/13/1999CN1204927A Down-communication-signal transmission system
01/13/1999CN1204905A Initial synchronization method of code division multiple access coupling receiving system
01/12/1999US5859870 Time diversity transmission-reception system
01/12/1999US5859843 Framing technique for a multi-rate CDMA communication system
01/12/1999US5859664 Method and apparatus for line or frame-synchronous frequency hopping of video transmissions
01/07/1999WO1999000915A1 Method and apparatus for selecting a resource in a communication system with resources having unbalanced load capacity
01/07/1999WO1999000911A1 Asymmetric channel allocation for a mobile station in a cdma communication network
01/07/1999EP0889608A2 Down-traffic-signal transmission system
01/07/1999EP0888674A1 Multi-rate wireless communications system
01/06/1999CN1204222A Soft swap handoff method in CDMA cellular system
01/06/1999CN1204193A Method for transmitting two parallel channels using code division and apparatus realising the method
01/05/1999US5856998 Method and apparatus for correlating a continuous phase modulated spread spectrum signal
01/05/1999US5856997 Spread spectrum receiving apparatus
01/05/1999US5856971 Code division multiple access system providing variable data rate access to a user