Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
05/2002
05/28/2002US6396822 Method and apparatus for encoding data for transmission in a communication system
05/28/2002US6396804 High data rate CDMA wireless communication system
05/28/2002CA2150113C Wireless direct sequence spread spectrum digital cellular telephone system
05/23/2002WO2002041651A2 Methods and apparatus for identifying asset location in mobile co mmunication networks
05/23/2002WO2002041643A2 Hybrid sdma/cdma system having adaptive antenna
05/23/2002WO2002041563A2 Turbo decoding apparatus and method implementing stopping rule with circular redundancy code signature comparison
05/23/2002WO2002041551A2 Method and apparatus for non-linear code-division multiple access technology
05/23/2002WO2002041550A1 Non-linear code-division multiple access technology with improved detection algorithms and error correction coding
05/23/2002WO2002041549A1 Method for improving channel estimation accuracy of wireless communication system
05/23/2002WO2002041545A2 Wireless clock synchronization
05/23/2002WO2002041540A1 Apparatus and method for measuring propagation delay in an nb-tdd cdma mobile communication system
05/23/2002WO2002041522A2 Method for controlling transmission power in a mobile radiocommunication system
05/23/2002WO2002041512A1 A method of updating a shift register
05/23/2002WO2002041504A2 Methods and apparatus for identifying asset location in communication networks
05/23/2002WO2001071937A3 Chirp slope multiple access
05/23/2002US20020062464 Apparatus and method for processing interleaving /deinterleaving with address generator and channel encoding system using the same
05/23/2002US20020061750 Soft hand-off in cellular mobile communications networks
05/23/2002US20020061079 Turbo decoder with circular redundancy code signature comparison
05/23/2002US20020061050 Method for initial power control for spread-spectrum communications
05/23/2002US20020061008 Transfer of data in a telecommunications system
05/23/2002US20020061007 System for allocating resources in a communication system
05/23/2002US20020061005 TSTD apparatus and method for a TDD CDMA mobile communication system
05/23/2002US20020061004 Communication station with multiple antennas
05/23/2002CA2604072A1 Turbo decoder with circular redundancy code signature comparison
05/23/2002CA2429080A1 A method of updating a shift register
05/23/2002CA2398781A1 Wireless clock synchronization
05/22/2002EP1207714A1 Communication terminal device, and base station device
05/22/2002EP1207657A1 Detection method for phase-modulated CCK symbols with a correlator-bank
05/22/2002EP1207636A2 Channel acquisition in a mobile system using CDMA-TDD and CDMA-FDD
05/22/2002EP1207634A2 Method of allocating channel codes for a synchronous uplink of mobile communication system
05/22/2002EP1207633A1 Reception level measuring system
05/22/2002EP1207629A2 Transmission power control in radiocommunication system
05/22/2002EP1206853A1 Method and apparatus for link adaptation in a mobile communication system
05/22/2002EP0536334B1 System and method for generating signal waveforms in a cdma cellular telephone system
05/22/2002CN1350379A Method of raising TD-CDMA system channel estimation accuracy
05/22/2002CN1085477C Dual-mode cellular telephone system
05/22/2002CN1085451C Synchronous trap circuit in CDMA communication
05/22/2002CN1085446C Method for adaptively adjusting weighting coefficients in CDMA radio receiver
05/21/2002US6393047 Quadriphase spreading codes in code division multiple access communications
05/21/2002US6393013 CDMA mobile communication system and communication method
05/21/2002US6393012 System for allocating resources in a communication system
05/21/2002CA2223781C Packet data transmission in code-division multiple access communication systems
05/16/2002WO2002039697A1 Mapping of internet protocol based data on cdma channels
05/16/2002WO2002039611A2 System for direct sequence spreading
05/16/2002WO2002039590A2 Methods and apparatus for encoding and decoding data
05/16/2002WO2001082521A3 Method and apparatus for a rate control in a high data rate communication system
05/16/2002US20020059535 Wireless clock synchronization
05/16/2002US20020058512 Soft hand-off in cellular mobile communications networks
05/16/2002US20020058511 Soft hand-off in cellular mobile communications networks
05/16/2002US20020058510 Soft hand-off in cellular mobile communications networks
05/16/2002US20020058482 Method for improving performances of a mobile radiocommunication system using a power control algorithm
05/16/2002US20020058481 Soft hand-off in cellular mobile communications networks
05/16/2002US20020057659 Apparatus for adaptive forward power control for spread-spectrum communications
05/15/2002EP1205045A1 Acoustic communication system
05/15/2002EP1205044A1 Method and apparatus for transmitting data rate control information in mobile telecommunication system for packet data transmission
05/15/2002EP1205042A1 Apparatus and method for reporting service load to mobile station in mobile telecommunication system
05/15/2002EP1205040A2 Method for deep paging
05/15/2002CN1349691A Method of generating and/or detecting synchronization sequences, synchronization method, transmiter unit and receiver unit
05/15/2002CN1349690A Method for forming and determing a signal sequence, method of synchronization, transmitter unit and receiver unit
05/15/2002CN1349323A Variable length digital matched filter
05/15/2002CN1349320A Method and device for generating real-time channel code sequence in WCDMA system
05/15/2002CN1349319A SIR estimating method and device for WCDMA system
05/15/2002CN1084990C Orthogonal code hopping multiple address communicaltion system
05/15/2002CN1084983C Radio transmission system
05/14/2002US6389220 Information signal duplication control system
05/14/2002US6389138 Method and apparatus for generating a complex scrambling code sequence
05/14/2002US6389059 Multi-band, multi-mode spread-spectrum communication system
05/14/2002US6389057 Access technique of channel hopping communications system
05/14/2002US6389056 Pre-data power control common packet channel
05/14/2002US6389003 Method for decreasing false positives in frame synchronization of code division multiple access
05/14/2002US6389002 Broadband CDMA overlay system and method
05/14/2002US6389000 Method and apparatus for transmitting and receiving high speed data in a CDMA communication system using multiple carriers
05/14/2002US6388999 Dynamic bandwidth allocation for multiple access communications using buffer urgency factor
05/14/2002US6388998 Reuse of codes and spectrum in a CDMA system with multiple-sector cells
05/14/2002US6388997 Timing adjustment control for efficient time division duplex communication
05/14/2002US6388583 Method and circuit for codes generation
05/10/2002WO2002037890A2 Method and apparatus for adaptive transmission control in a high data rate communication system
05/10/2002WO2002037768A1 Communication system and communication control apparatus and method
05/10/2002WO2002037725A1 Cell search controller and cell search control method
05/10/2002WO2001099385A3 Method and apparatus for adaptive rate selection in a communication system
05/10/2002WO2001035541A3 Method for decoding a spread-coded signal and corresponding decoding device
05/09/2002US20020055341 Variable gain amplifier device
05/09/2002US20020054611 Time synchronization method in cdma system
05/09/2002US20020054582 Spread spectrum communication device and spread spectrum communication method
05/09/2002US20020054581 System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system
05/09/2002US20020054580 Dynamic sectorization in a spread spectrum communication system
05/08/2002EP1204285A1 Base station device and channel assigning method
05/08/2002EP1204284A1 Cellular system and communication method according to multi-code cdma
05/08/2002EP1204282A1 Radio base station apparatus and radio communication method
05/08/2002EP1204225A1 Base station device and method for communication
05/08/2002EP1204219A2 Apparatus and method for controlling transmit antenna array for physical downlink shared channel in a mobile communication system
05/08/2002EP1203504A1 Method and apparatus for concurrently processing multiple calls in a spread spectrum communications system
05/08/2002EP1203468A2 Method and apparatus for orthogonal code hopping multiplexing communications
05/08/2002EP1203461A1 Chip-synchronous cdma multiplexer and method resulting in constant envelope signals
05/08/2002EP1203456A1 Method and apparatus for multiple access over a communication channel
05/08/2002CN1084576C Integrated circuit for mobile telephone receiver
05/08/2002CN1084574C CDMA mobile communication system, communication method, wireless terminal and base station
05/08/2002CN1084573C 数字移动通信系统 Digital mobile communication system
05/08/2002CN1084552C Transmitter capable of preventing interruption during occurrence of fault
05/07/2002US6385450 Mobile communication system and resource management method of the same