Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
11/2000
11/22/2000EP1053648A1 Channel spreading device and method in cdma communication system
11/22/2000EP1053615A1 Multiple access method and system
11/22/2000EP1053613A2 Method and system for generating a complex pseudonoise sequence for processing a code division multiple access signal
11/22/2000EP1053600A1 A method for using encoded spreading codes to achieve high bit densities in a direct-sequence
11/22/2000CN1274510A Base station device and radio communication method
11/22/2000CN1274498A Quasi-orthogonal code mask generating device in mobile communication system
11/22/2000CN1058829C Base-band interleaver for code devision multiple access mobile telecommunication system
11/16/2000WO2000069089A1 A scalable method for generating long codes using gold sequences
11/16/2000WO2000069088A1 Spread-spectrum gmsk/m-ary radio with oscillator frequency correction
11/16/2000WO2000069087A1 Receiver circuit for a communications terminal and method for processing signals in a receiver circuit
11/15/2000CN1273723A Channel communication device and method for mobile station in asynchronous CDMA communication system
11/15/2000CN1273722A Device and method for measuring non-orthognal noise for CDMA communication system
11/15/2000CN1273721A Device and method for cancelling code interference in CDMA communication system
11/15/2000CN1273720A Method and apparatus for providing orthogonal spot beams, sectors and picocells
11/15/2000CN1273719A Method and radio station for transmitting data
11/15/2000CN1273718A Method and apparatus for allocating resources between queued and non-queued services
11/15/2000CN1273716A 数据传输方法和移动电话系统 Data transmission method and a mobile telephone system
11/15/2000CN1273715A Method for transmitting power control signal in mobile communication system
11/15/2000CN1273468A Method for likelihood-based correction reference value in high-speed closed loop
11/15/2000CN1273467A Pilot signal for synchronous and/or channel estimated
11/15/2000CN1273460A Method for updating linear feedback shift register of code generater
11/14/2000US6148216 System and method for wireless communications
11/14/2000US6148044 Correlating filter and CDMA receiver
11/14/2000US6147964 Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
11/09/2000WO2000067405A1 Method of generating and/or detecting synchronization sequences, synchronization method, transmitter unit and receiver unit
11/09/2000WO2000067404A1 Method for forming and determining a signal sequence, method of synchronization, transmitter unit and receiver unit
11/09/2000WO2000067399A1 Appararus and method for synchronizing channels in a w-cdma communication system
11/09/2000WO2000067396A1 Cell search apparatus and method in asynchronous communication system
11/09/2000WO2000022757A3 Method and radio communication system for regulating power between a base station and a subscriber station
11/08/2000EP1050990A1 Method of updating reference value in a high speed closed loop based on likelihood
11/08/2000EP1050989A2 MAP rate detection for variable rate CODECs
11/08/2000EP1050973A1 Method for joint detection of a CDMA code set
11/08/2000EP1050140A1 Pulse shaping according to modulation scheme
11/08/2000EP1050139A1 Pulse shaping which compensates for component distortion
11/08/2000EP1050129A2 Device and method for generating quaternary complex quasi-orthogonal code and spreading transmission signal using quasi-orthogonal code in cdma communication system
11/08/2000EP1050124A1 Test facility for transceiver station
11/08/2000EP1050120A1 Method and apparatus for a talkgroup call in a wireless cdma system
11/08/2000EP1050116A1 System for discrete data transmission with noise-like, broadband signals
11/08/2000CN1273014A Method for controlling communication system and system using said method
11/08/2000CN1273013A Method of sending time slots in base station system and such a system
11/08/2000CN1272989A Communication using spread spectrum methods over optical fibers
11/08/2000CN1272988A Method and communication system for wireless TDMA information transfer between base stations and mobile stations with randomly controlled selection of uplink
11/08/2000CN1272756A Soft-sector switching method of code division multiple address mobile communication system and its correspondent device
11/08/2000CN1272733A Rate match and channel interweaving of communication system
11/08/2000CN1272724A Improvement of delay locking ring or related to delay locking ring
11/07/2000US6144654 Method of combining and separating groups of multiple CDMA-encoded data signals and apparatus therefor
11/07/2000US6144649 Method and apparatus for acquiring a pilot signal in a CDMA receiver
11/02/2000WO2000065860A1 Random access channel for large cells
11/02/2000WO2000065759A1 Cdma communication system having pilot-supporting interference separating function
11/02/2000WO2000065758A1 Base station device and method of suppressing peak current
11/02/2000WO2000065757A1 Apparatus and method for generating spreading code in cdma communication system
11/02/2000WO2000065744A1 Method for regulating the transmitter power in a radio system and corresponding radio system
11/02/2000WO2000064373A1 Data transmission within a spread-spectrum communication system
11/02/2000EP1049349A1 CDMA soft handover method using uplink measurements
11/02/2000EP1049279A2 Radio terminal equipment
11/02/2000EP1049263A2 Multistage interference canceller for a code division multiple access communications system
11/02/2000EP1048178A2 Apparatus and method of searching for pn sequence phase in multi-carrier cdma mobile communication system
11/02/2000EP1048138A2 Device and method for generating spreading code and spreading channel signals using spreading code in cdma communication system
11/02/2000EP1048128A1 Mobile station assisted timing synchronization in a cdma communication system
11/02/2000DE19919545A1 Signal sequence forming method for synchronising digital mobile radio system
11/02/2000CA2334358A1 Apparatus and method for generating spreading code in cdma communication system
11/01/2000CN1272266A Method for generating quasi-orthogonal code and spreader using same in mobile communication system
11/01/2000CN1272263A Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction
11/01/2000CN1272262A Handoff method in mobile communication system supporting transmission diversity
11/01/2000CN1272252A Channel coding device and method for rate matching
11/01/2000CN1272009A Multistage interference canceller using first level and second level path timing
10/2000
10/31/2000US6141561 Reception circuit for cellular telephone
10/31/2000US6141373 Preamble code structure and detection method and apparatus
10/31/2000US6141337 Spread spectrum communication system
10/31/2000US6141334 Receiver for pilot-aided code-division multiple access
10/31/2000US6141332 Orthogonal code synchronization system and method for spread spectrum CDMA communications
10/26/2000WO2000064113A1 Method for channel estimation in a tdma mobile radio telephone system
10/26/2000WO2000064084A1 Method for reducing interference between users and use thereof in a radio access network
10/26/2000WO2000064041A1 Method of determining an encoding rate in a communication system
10/26/2000DE19918610A1 Correlation circuitry with shift register and sign bit inversion circuitry set according to Fibonacci series
10/26/2000DE19917334A1 Channel estimation method for TD-CDMA mobile radio system
10/25/2000EP1047219A1 Method for balancing the ratio Eb/I in a service multiplexing CDMA system and telecommunication systems using same
10/25/2000EP1047218A2 Methods and apparatus for downlink diversity in CDMA using walsh codes
10/25/2000EP1047215A2 A method of enhancing security for the transmission of information
10/25/2000EP1046242A1 Method and apparatus for increasing spectral efficiency of cdma systems using direct sequence spread spectrum signals
10/25/2000EP1046241A1 A method using codebook indexing to achieve high bit densities in a ds-cdma-ss communication system
10/25/2000EP1046240A1 A method for using circular spreading codes to achieve high bit densities in a direct-sequence spread spectrum communications system
10/25/2000EP1046222A1 Device and method for transmitting preamble of access channel in mobile communication system
10/25/2000CN1271481A Method and apparatus for data transmission using time gated frequency division duplexing
10/25/2000CN1271480A Method and apparatus for selecting a source in a communication system with resources having unbalanced load capacity
10/25/2000CN1271477A Communication system and method with orthogonal block encoding
10/25/2000CN1271220A 频移电路及频移方法 Frequency shift circuit and a frequency shift method
10/25/2000CN1271219A Method and apparatus for down link diversity using volsch code in CDMA
10/25/2000CN1057884C System and method for generating single waveforms in CDMA celular telephone system
10/24/2000US6138260 Retransmission packet capture system within a wireless multiservice communications environment with turbo decoding
10/24/2000US6137845 Method of determining an encoding rate in a communication system
10/24/2000US6137825 Communication system, transmitter and receiver
10/24/2000US6137789 Mobile station employing selective discontinuous transmission for high speed data services in CDMA multi-channel reverse link configuration
10/24/2000US6137786 CDMA communication system and method
10/24/2000US6137784 Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction
10/19/2000WO2000062456A1 Apparatus and method for gated transmission in a cdma communication system
10/19/2000WO2000062445A1 Method and radio communications system for synchronising user stations
10/19/2000WO2000062435A1 Method for controlling gated transmission of dedicated channel in w-cdma communication system
10/19/2000DE19913086A1 Verfahren und Einrichtung zur Kanalzuweisung für eine breitbandige Funk-Übertragung Method and apparatus for channel allocation for broadband wireless transmission
10/19/2000CA2302140A1 A method of enhancing security for the transmission of information