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)
04/2000
04/05/2000EP0990320A1 Frequency synchronisation method for a mobile station in a mobile communications system
04/05/2000EP0990319A1 Time synchronisation method for a mobile station in a mobile communications system
04/05/2000EP0990313A2 Reduced peak-to-average amplitude multichannel link
04/05/2000EP0990312A2 Cdma communication system which selectively allocates bandwidth upon demand
04/05/2000EP0990309A1 Signal detection method in a digital cellular receiver
04/05/2000EP0990308A1 Channel encoding device and method for communication system
04/05/2000CN1249649A Receiving circuit, mobile terminal with receiving circuit and method for receiving data
04/05/2000CN1249638A Code division multiple access receiving method and receiver
04/05/2000CN1249598A Soft over-region switching method and mobile communication system based on said method
04/05/2000CN1249597A Mobile communication system and resource management method
04/05/2000CN1249582A Code-division multiple access emitter capable of reducing emission power
04/05/2000CN1249581A Code-division multiple access telephone receiver
04/05/2000CN1249580A Method and apparatus for demodulating in radio communication system by M sequence orthogonal modulating
04/05/2000CN1249570A Apparatus and method for determining radio communication quality in mobile communication system
04/05/2000CA2281384A1 Communication system
04/04/2000US6047306 CDMA communication RF signal processing apparatus using SAW
04/04/2000US6047018 Multi-carrier communication method and device
04/04/2000CA2139268C Sync acquisition and tracking circuit for ds/cdma receiver
03/2000
03/30/2000WO2000018150A1 Communication network
03/30/2000WO2000018142A2 Apparatus and method of searching for pn sequence phase in multi-carrier cdma mobile communication system
03/30/2000WO2000018055A1 Method and apparatus for transmitting and receiving variable rate data
03/30/2000WO2000018028A1 Method for receiving or sending messages
03/30/2000WO2000007319A3 Optical cdma system using sub-band coding
03/30/2000WO2000003549A3 Channel communication device and method for mobile station in asynchronous cdma communication system
03/30/2000WO2000002397A3 Device and method for cancelling code interference in a cdma communication system
03/30/2000CA2345057A1 Communication network
03/29/2000EP0989696A1 Method of assignment and transmission of spread signals in direct sequence spread spectrum cdma mobile communication system, mobile communication system, and transmitter, receiver and transmitter/receiver of mobile communication system
03/29/2000EP0989690A2 CDMA mobile communication system and transmision power control method with consideration of fading during soft handover
03/29/2000EP0989688A2 Spread spectrum diversity transmitter/receiver
03/29/2000EP0989686A2 CDMA base station apparatus and code assignment method
03/29/2000EP0989685A2 CDMA rake receiver
03/29/2000EP0988709A2 Method and apparatus for embedding auxiliary data in a primary data signal
03/29/2000CN1249086A Orthogonal code synchronization system and method for spread spectrum CDMA communications
03/29/2000CN1248944A Method and system for controlling train by radio
03/29/2000CN1248868A CDMA mobile communication system and service district supplementary method
03/29/2000CN1248830A Exdended frequency spectrum communication system and over-district switching method
03/29/2000CN1050952C Receiver for a direct sequence spread spectrum orthogonally encoded signal employing rake
03/28/2000US6044119 Frequency control method and circuit employing both reference symbols and information symbols
03/28/2000US6044106 Receiving method and apparatus in which a demodulating status is determined and a noise power is detected
03/28/2000US6044104 Cell search method and mobile station apparatus
03/28/2000US6044083 Synchronous code division multiple access communication system
03/28/2000US6044072 CDMA communication system having means for controlling access in dependence on communication quality
03/24/2000CA2282774A1 Cdma base station apparatus and code assignment method
03/23/2000WO2000016524A1 Channel estimates in a cdma system using power control bits
03/23/2000WO2000016508A1 Wireless spread-spectrum data network and interface between fixed positions
03/23/2000WO2000016502A1 Method and radio communications device for synchronizing subscriber stations
03/23/2000DE19942669A1 Transceiver, e.g. videophone has sensor detecting power output stage temperature, to cut vision signals in favor of speech alone, should incipient overheating threaten
03/23/2000DE19838782A1 Sender, Empfänger und Verfahren in einem Telekommunikationssystem zum Erzeugen von PN-Sequenzen für eine Vielzahl von Benutzerkanälen Transmitter, receiver and method in a telecommunication system to generate PN sequences for a plurality of user channels,
03/22/2000EP0987915A2 Area supplementing method for a CDMA mobile communication system using supplemental base station
03/22/2000EP0987913A2 Spread spectrum cdma transmitter
03/22/2000EP0987849A1 Direct spread spectrum communication system corresponding to delayed multiplex mode, and method of communication using the system
03/22/2000EP0987842A1 Radio base station apparatus and radio communication method
03/22/2000EP0986866A1 Channel communication device and method for cdma communication system
03/22/2000EP0986863A1 Device and method for providing time switched transmission diversity in mobile communication system
03/22/2000EP0776556B1 Synchronous multipoint-to-point cdma communication system
03/22/2000CN1248362A Rake receiver for direct spreading CDMA transmission
03/22/2000CN1248361A Channel estimation device, and CDMA receiver and CDMA transmitter/receiver having the device
03/22/2000CN1248110A Receiving system for random access channel in CDMA mobile communication system
03/21/2000US6041124 Radio communication system and method and mobile communication terminal device
03/21/2000US6041034 Spread spectrum communication system
03/16/2000WO2000014980A1 Method in wireless telecommunication system; system, transmitter and receiver
03/16/2000WO2000014975A2 Device and method for generating quaternary complex quasi-orthogonal code and spreading transmission signal using quasi-orthogonal code in cdma communication system
03/16/2000WO2000014916A1 A method and apparatus for the reflection and transmission of quasi orthogonal vectors
03/16/2000WO2000014915A2 Method for forming or detecting a signal sequence and transmitter unit and receiver unit
03/16/2000WO2000014908A1 Method for controlling power of communication system
03/16/2000WO2000014907A1 Communication system
03/16/2000WO2000014904A2 Method and radio communication system for synchronizing subscriber stations
03/16/2000WO2000014891A1 Method for receiving cdma signals with synchronisation resulting from delayed double multiplication and corresponding receiver
03/16/2000DE19931244A1 Table implementing method for frequency selection in cordless telephone system uses counters and table arrangement to derive selected frequency
03/15/2000EP0986204A1 Method and apparatus for interference rejection
03/15/2000EP0986195A2 Spread spectrum communication method and spread spectrum communication apparatus
03/15/2000EP0986189A1 CDMA signals reception method with parallel interference suppression, and its corresponding stage and receiver
03/15/2000EP0986188A2 Code division multiple access (CDMA) modem
03/15/2000EP0986187A2 A pilot vector correlator apparatus for a CDMA modem
03/15/2000EP0986186A2 Adaptive matched filter
03/15/2000EP0985283A1 Device and method for exchanging frame messages of different lengths in cdma communication system
03/15/2000EP0985277A1 Bi-orthogonal code division multiple access system
03/15/2000EP0895683B1 System for radio transmission of digital signals between a plurality of subscriber stations and a base station
03/15/2000CN1247443A Method for hard switching between frequency allocation in code division multiple access mobile communicating system
03/15/2000CN1247442A Sequential path searching method among mobile communicating system transmitted under variable data speed
03/15/2000CN1247439A Transmitter and base station appts. using same
03/15/2000CN1247422A Propagation path estimating method for interference eliminator and interference eliminator
03/15/2000CN1247421A Code division multiplex system base station transmitter and its serial signals transmission method
03/15/2000CN1247420A Transport power controller
03/14/2000US6038249 Spectrum spread transmission method and apparatus
03/14/2000US6038248 Method and apparatus for receiving and converting spread spectrum signals
03/14/2000US6038220 Method and apparatus of forward traffic channel power control for CDMA wireless local loop system
03/09/2000WO2000013440A2 Transmission of gsm circuit-switched data over a cdma link
03/09/2000WO2000013426A2 Packet data communication device and method in mobile communication system
03/09/2000WO2000013365A1 Transmitter, receiver and method in a telecommunication system for generating pn sequences for a plurality of user channels
03/09/2000WO2000013359A1 Digital communication system, its transmitter and receiver, and frame synchronization detector
03/09/2000WO2000013337A2 Method and apparatus for reducing amplitude variations in communication signals employing inserted pilot symbol
03/09/2000WO2000013325A1 Transmitter-receiver, and method for controlling transmission power of the same
03/09/2000WO1999066644A3 Device and method for controlling transmission power of punctured frame
03/09/2000CA2341482A1 Transmitter, receiver and method in a telecommunication system for generating pn sequences for a plurality of user channels
03/09/2000CA2306626A1 Transmission/reception apparatus and transmit power control method
03/08/2000EP0984640A2 Cell-site broadcasting method using traffic channels and a control channel
03/08/2000EP0984581A1 Spread spectrum communication device and spread spectrum communication method
03/08/2000EP0984579A1 Transmitting/receiving device and transmitting/receiving method
03/08/2000EP0984578A1 Comb-like spectrum communication method of complementary series repetition modulation type
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