Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
04/2002
04/11/2002US20020041581 CDMA radio receiving apparatus and cell search method
04/11/2002US20020041578 Method for selecting RACH in a CDMA mobile communication system
04/10/2002EP1195934A2 Apparatus and method for coding/decoding TFCI bits in an asynchronous CDMA communication system
04/10/2002EP1195924A1 Synchronisation method for base stations
04/10/2002EP1195892A1 Method and corresponding transmitter for predistorting a wideband radio signal to avoid clipping
04/10/2002EP1195072A2 Inter-frequency handover in wireless cdma systems
04/10/2002EP1020043B1 Method and communication system for wireless tdma information transfer between base stations and mobile stations with randomly controlled selection of uplink channels
04/10/2002EP0824810B1 Point-to-multipoint cdma data transmission system and cdma receiving station therefor
04/10/2002CN1344475A Method and base station for allocating channel required for radio transmission
04/10/2002CN1344451A Code reservation for interference measurement in CDMA radiocommunication system
04/10/2002CN1344445A Weighted open loop power control in time division duplex communication system
04/10/2002CN1344444A Outer loop/weighted open loop power control in time division duplex communication system
04/10/2002CN1344442A Appts. and method for allocating orthogonal codes in CDMA communication system having variable rate channe structure
04/10/2002CN1344440A Data transmission with interleaving and subsequent rate matching by puncturing or repetition
04/10/2002CN1344122A Minor region search method and equipment for mobile station in mobile communication system
04/10/2002CN1344066A Digital shaping filter in WCDMA communication system
04/10/2002CN1082771C Transmission power control method and communication system using same
04/10/2002CN1082752C Communication method, communication apparatus, reception method, and reception appts.
04/09/2002US6370134 CDMA radio communication apparatus
04/09/2002CA2247349C Adaptive array antenna unit
04/04/2002WO2002028044A2 Intervote modulator
04/04/2002WO2002028001A1 Transfer of data in a telecommunications system
04/04/2002WO2002027994A1 System and method for code division multiplexed optical communication
04/04/2002WO2002027992A2 Hybrid spread-spectrum technique for expanding channel capacity
04/04/2002WO2002027961A2 Method and apparatus for generating pn sequences at arbitrary phases
04/04/2002WO2002027959A2 Method and apparatus for efficient walsh covering and summing of signals in a communication system
04/04/2002WO2002027957A1 Communication terminal apparatus and demodulation method
04/04/2002US20020039906 Method of synchronising base stations
04/04/2002US20020039888 Wireless communication device
04/04/2002US20020039356 Hand-off processing apparatus and method for telecommunication system
04/04/2002DE10129009A1 Erlaubnis-Steuersystem für Funkkommunikation Authorization control system for radio communication
04/04/2002CA2423471A1 Method and apparatus for generating pn sequences at arbitrary phases
04/03/2002EP1193868A2 Variable gain amplifier device
04/03/2002EP1192746A1 Apparatus and method for releasing reverse common channel in cdma communication system
04/03/2002EP1192708A1 Method of determining an encoding rate in a communication system
04/03/2002EP1095460A4 Interleaving / deinterleaving apparatus and method for a communication system
04/03/2002CN1343408A Signal format in multi-carrier CDMA transmission system
04/03/2002CN1343402A Radio base station device and radio communication method
04/03/2002CN1343400A Combined closed loop/open loop power control in time division duplex communication system
04/03/2002CN1343048A Multipath receiver
04/03/2002CN1343047A Method for creating small district cluster and switching method between small district clusters
04/03/2002CN1342908A Obstacle testing device and obstacle testing system
04/03/2002CN1082324C Method for increasing spectrum efficiency
04/03/2002CN1082291C Access method, mobile station and base station for CDMA mobile communication system
04/03/2002CN1082287C System and method for simulating user interference in spread spectrum communications system
04/03/2002CN1082286C Adaptive sectorization in spread spectrum communication system
04/02/2002US6366765 Receiver
04/02/2002US6366604 Compensation for phase errors caused by clock jitter in a CDMA communication system
04/02/2002US6366603 Spread spectrum communication system
04/02/2002US6366601 Variable rate spread spectrum communication method and apparatus
04/02/2002US6366588 Method and apparatus for achieving data rate variability in orthogonal spread spectrum communication systems
04/02/2002US6366570 Processing CDMA signals
04/02/2002US6366566 Efficient communication system using time division multiplexing and timing adjustment control
04/02/2002CA2256965C Interference detection for spread spectrum systems
03/2002
03/28/2002WO2002025848A1 Method for multiple time slot power control
03/28/2002WO2002025839A1 Secondary station and method of operating the station
03/28/2002WO2002001733A3 Power control method using interference cancellation
03/28/2002WO2001097400A3 Method and apparatus for demodulating signals processed in a transmit diversity mode
03/28/2002WO2001093436A3 Zero delay interference cancellation
03/28/2002US20020037725 Hand over control method, base station controller and mobile terminal
03/28/2002US20020037712 Methods and system for setting up call in CDMA mobile communication system
03/28/2002US20020037016 Base station transmitting data spread with a plurality of slots respective to a plurality of radio terminals and codes, and a cellular system thereof
03/28/2002US20020037015 Method and apparatus for assigning spreading codes
03/28/2002US20020036998 Adaptive vector correlator for spread-spectrum communications
03/28/2002US20020036997 Asymmetric channel allocation for a mobile station in a CDMA communication network
03/28/2002US20020036996 Initial power control for spread-spectrum communications
03/28/2002US20020036994 Method and apparatus for link adaptation in a mobile communication system
03/27/2002EP1191712A2 Method and system for CDMA mobile communication
03/27/2002EP1191709A1 Spread spectrum receiving apparatus
03/27/2002EP1191708A1 Training and synchronization sequences for wireless systems with multiple transmit and receive antennas used in CDMA or TDMA systems
03/27/2002EP1190517A1 Communication systems and apparatus with synchronous orthogonal coding
03/27/2002EP1190497A1 Method and apparatus for mitigating interference between base stations in a wideband cdma system
03/27/2002EP1190496A1 Apparatus and method for assigning a common packet channel in a cdma communication system
03/27/2002CN1342378A Method for detecting and compensating for radio link timing errors
03/27/2002CN1342346A Spread-spectrum communication device
03/27/2002CN1342004A Frequency deviation estimation method applicable to code division multiple address access system
03/26/2002US6363107 Preamble code structure and detection method and apparatus
03/26/2002US6363100 Radio data communication system using spread spectrum scheme
03/26/2002US6363099 Physical channel assignment method and transmitter
03/26/2002US6363049 Adaptive acquisition system for CDMA and spread spectrum systems compensating for frequency offset and noise
03/26/2002CA2134901C A cdma communications method and system
03/21/2002WO2002023782A1 Rotate shift code division multiplex communication system
03/21/2002WO2002023769A1 Base station device
03/21/2002WO2002023759A2 A method and an apparatus for providing both voice and data services in a wireless communication system
03/21/2002WO2002023750A1 A rake receiver and a method of operating a rake receiver
03/21/2002WO2002023745A2 Method and apparatus for high data rate transmission in a wireless communication system
03/21/2002WO2002023740A1 Third generation fdd modem interleaver
03/21/2002WO2001052568A3 Method and apparatus for testing wireless communication channels
03/21/2002US20020034216 CDMA receiving apparatus with transmission power control using previous SIR value
03/21/2002US20020034169 Apparatus for adaptive reverse power control for spread-spectrum communications
03/21/2002US20020034167 Method for adaptive forward power control for spread-spectrum communications
03/21/2002CA2422501A1 Method and apparatus for high data rate transmission in a wireless communication system
03/20/2002EP1189468A1 A method of modelling a neighbor list for a mobile unit in a CDMA cellular telephone system
03/20/2002EP1189379A1 Method and system for enhancing channel capacity in a point to multipoint radio communications system
03/20/2002EP1189375A1 Dynamic reassignment of code space among multiple modes of operation
03/20/2002EP1189370A1 Pilot symbols transmission power
03/20/2002EP1189369A1 A method of modeling a CDMA cellular telephone system
03/20/2002EP1188344A1 Random access control method and system
03/20/2002EP1188271A2 Method and apparatus for a talkgroup call in a wireless communication system
03/20/2002EP1188269A1 Apparatus and method for encoding/decoding transport format combination indicator in cdma mobile communication system