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)
06/1999
06/23/1999CN1220532A Method of generating frequency-hopping sequence using concatenated codes, as well as radio facility and radio communication system therefor
06/23/1999CN1220528A CDMA mobile communications device
06/23/1999CN1220500A Data communication apparatus and data communication method
06/22/1999US5915217 Worldwide telecommunications system using satellites
06/22/1999US5915216 Apparatus and method of transmitting and receiving information in a wireless telecommunications system
06/22/1999US5914949 Circuit and method for tracking finger off-set in a spread-spectrum rake receiver and wireless infrastructure employing the same
06/22/1999US5914947 Mobile radio communication system which allocates spread codes mobiles which are able to determine the distance between a mobile and a base station
06/22/1999US5914943 Apparatus and method for establishing acquisition of spreading code in CDMA transmission system
06/22/1999US5914667 Advanced embedded code hopping system having master fixed code encryption
06/17/1999WO1999030441A1 Fixed wireless loop system that ranks non-assigned pn codes to reduce interference
06/17/1999WO1999030430A1 Fixed wireless loop system having baseband combiner predistortion summing table
06/17/1999WO1999001994A3 A subscriber unit and method for use in a wireless communication system
06/17/1999DE19755832A1 Generation of frequency hopping sequence for radio communication
06/16/1999EP0923155A1 Adaptive array antenna
06/15/1999US5912919 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
06/15/1999CA2148366C Code division multiple access transmitter and receiver
06/10/1999WO1999029054A1 Packet-switched spread-spectrum system
06/10/1999WO1999007084A3 Method and radio station for transmitting data
06/10/1999WO1998058457A3 Reduced peak-to-average amplitude multichannel link
06/09/1999EP0921652A2 Orthogonal complex spreading method for multichannel and apparatus thereof
06/09/1999CN1219082A Random access control in non-interrupted communication mobile communication system
06/09/1999CN1219046A Single or multiple way non-guide phase interference demodulating device and relative multi-way receiving module
06/09/1999CN1219045A Method and apparatus for increasing information to video signal and detecting in it
06/09/1999CN1219039A Radio communication apparatus and radio communication method
06/08/1999US5910964 Code detection apparatus
06/08/1999US5910948 Acquisition scheme and receiver for an asynchronous DS-CDMA cellular communication system
06/03/1999WO1999027672A1 Channel estimating apparatus, and cdma receiver and cdma transceiver each having the apparatus
06/02/1999EP0920226A2 Control random access in mobile communication system without interrupting continuous communications
06/02/1999EP0920171A2 Voice recording for a telephone apparatus
06/02/1999EP0920140A2 Radio communication apparatus and method
06/02/1999CN1218340A Transmission power control method and transmission/reception apparatus
06/01/1999US5909434 Bright and burst mode signaling data transmission in an adjustable rate wireless communication system
05/1999
05/27/1999WO1998018217A9 Transmission timing offset method for ds-cdma mobile telephone systems
05/26/1999EP0918402A2 Transmission power control in a CDMA system
05/26/1999EP0613599B1 A spread-time code division multiple access technique with arbitrary spectral shaping
05/26/1999CN1217827A Adaptive array antenna
05/26/1999CN1217612A Maer multiple-address radio communication system
05/26/1999CN1217611A Incident-power control method for personal portable communication system
05/25/1999US5907812 Method and arrangement for spectrum sharing in a radio communication environment
05/25/1999US5907586 Method and device for signal decision, receiver and channel condition estimating method for a coding communication system
05/25/1999US5907582 System for turbo-coded satellite digital audio broadcasting
05/19/1999WO1999026369A1 Device for generating a plurality of code series simultaneously and cdma radio receiver comprising the device
05/19/1999EP0917304A2 Transmission power control method and communication device
05/19/1999EP0917303A1 Transmission power control method and transmission/reception apparatus
05/19/1999EP0917299A1 Digital direct sequence spread spectrum transmission with interference signal generation
05/19/1999EP0917298A1 Differential direct sequence spread spectrum receiver with mixed interference signal generation means
05/19/1999EP0916215A1 Method for transmitting on a plurality of transmission media, with dynamic data dispatching, and corresponding transmitter and terminal
05/19/1999EP0916204A1 Hierarchical resource hopping for variable resource size communication systems
05/19/1999EP0916203A1 Subsequent frame variable data rate indication method for various variable data rate systems
05/19/1999EP0878077A4 Forward link carrier recovery in an ocdma spread spectrum communication system without a pilot tone
05/19/1999EP0832527B1 Packet data transmission in code-division multiple access communication systems
05/19/1999CN1217111A Multiple access communications system and method using code and time division
05/19/1999CN1217110A Subtractive multicarrier CDMA access method and system
05/18/1999US5905963 Subscriber terminal monitor system for a wireless telecommunications system
05/14/1999WO1999023777A1 Transmitter and receiver for multi-rated delay multiplexing direct spread spectrum communication system, and multi-rated delay multiplexing direct spread spectrum communication system
05/14/1999WO1999023767A1 Communication station with multiple antennas
05/14/1999WO1999005801A3 Method and apparatus for data transmission using time gated frequency division duplexing
05/14/1999WO1998058456A3 Cdma communication system which selectively allocates bandwidth upon demand
05/14/1999WO1998054850A3 Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction
05/14/1999CA2561782A1 Communication station with multiple antennas
05/12/1999EP0915582A1 Symbol coding device and method, symbol decoding device and method
05/12/1999EP0915575A1 Frequency-sharing mobile communication system equipped with diversity receiver incorporated with shared-wave canceler
05/12/1999EP0914730A1 Hierarchical resource management method, system, base station, head-end unit, and subscriber unit for variable resource size communication systems
05/12/1999DE19747453C1 Verfahren und Mobil-Kommunikationssystem zur Übertragung von Informationen über eine Funkschnittstelle A method and mobile communication system for transmitting information over a radio interface
05/12/1999CN1216420A Rake receiver and finger management, method for spread spectrum communication
05/11/1999US5903598 Method and system for simultaneously broadcasting and receiving digital and analog signals
05/11/1999US5903592 Radio transmission system
05/11/1999US5903555 Modulation method and system using constant envelope ODSCDMA with low out-of-band emissions for non-linear amplification
05/11/1999CA2251010A1 Cellular multicarrier wireless communication system
05/11/1999CA2119378C Multiple access telephone extension systems and methods
05/06/1999WO1999022544A1 Method and mobile communications system for transmitting information via a radio interface
05/06/1999WO1999022479A1 Method and radio station for time synchronization of radio stations in a radio communication system
05/06/1999WO1999022478A1 Cdma dispatch system
05/06/1999WO1999022475A2 Radiocommunications system and control device
05/06/1999WO1999022474A2 Telecommunication system for wireless telecommunication with a cdma, fdma and tdma multiple access component
05/06/1999WO1999022469A2 Method for transmitting data, a control device and a radio station
05/06/1999WO1999022467A1 Method, mobile station and base station for transmitting information via a radio interface of a mobile communications system
05/06/1999WO1999022466A1 Method and apparatus for a talkgroup call in a wireless cdma system
05/06/1999WO1999022454A2 Estimation of transmission channels in communication systems for wireless telecommunication
05/06/1999EP0913953A2 CDMA reception apparatus
05/06/1999EP0913936A2 Communication system with frequency control circuit
05/06/1999EP0913702A1 Navigation receiver, in particular of GPS type
05/06/1999EP0741932A4 Method and apparatus for a radio communication system
05/06/1999EP0669068A4 Method and apparatus for operating with a hopping control channel in a communication system.
05/06/1999DE19747369A1 Übertragungskanalschätzung in Telekommunikationssystemen mit drahtloser Telekommunikation Transmission channel estimation in telecommunication systems with wireless telecommunication
05/06/1999CA2308026A1 Transmission channel assessment in telecommunications systems using wire-free telecommunication
05/06/1999CA2307767A1 Method for wire-free telecommunication, in particular having a cdma, fdma and tdma multiple access component
04/1999
04/29/1999WO1999021375A2 Random access in a mobile telecommunications system
04/29/1999WO1999021323A2 Wireless multimedia carrier system
04/29/1999WO1999021315A1 Method and radio station for data transmission
04/29/1999WO1999021299A1 Method and apparatus for generating complex four-phase sequences for a cdma communication system
04/29/1999WO1999008451A3 Synchronous wireless access protocol method and apparatus
04/29/1999WO1999007085A3 Method and radio station for transmitting data
04/29/1999DE19747365A1 Organisation information transmission method for radio communication system
04/29/1999CA2308600A1 Random access in a mobile telecommunications system
04/28/1999EP0912009A2 Date rate conversion using repetition codes
04/28/1999EP0911991A1 Method of spread spectrum transmission signal processing and corresponding receiver
04/28/1999EP0911990A2 Receiver apparatus for CDMA communication system
04/28/1999CN1215517A Multi-rade wireless communications system
04/28/1999CN1215267A Synchronous trap circuit in CDMA communication
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