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)
12/2002
12/03/2002US6490329 Device and method for generating clock signals from a single reference frequency signal and for synchronizing data signals with a generated clock
12/03/2002US6490268 Method of providing burst timing for high-speed data transmission in a base station transceiver system of a mobile communication system
12/03/2002US6490267 Device and method for generating spreading code and spreading channel signals using spreading code in a CDMA communication system
12/03/2002US6490265 CDMA receiver phase tracking system
11/2002
11/28/2002WO2002096139A1 Synchronization of stored service parameters in a communication system
11/28/2002US20020176487 Fading pitch measuring apparatus, fading pitch measuring method and portable information terminal using them
11/27/2002EP1261158A1 Walsh code allocation/de-allocation system
11/27/2002EP1260031A2 Post processing of spreading codes in a mobile telecommunications system
11/27/2002EP1118167B1 Method and device for transmitting data over low-voltage networks
11/27/2002CN1382328A Method for indicating allocation of spread codes in radio communication system
11/27/2002CN1381961A Terminal equipment for CDMA cellular radio network
11/27/2002CN1095298C Connection method of CDMA of honeycomb communication system
11/27/2002CN1095257C Automatic power control system for code division multiple access (CDMA) communication system
11/27/2002CN1095255C Spectrum spread communications system for high-speed communications
11/26/2002US6487236 Method and apparatus for achieving demodulation in radio communications system using M-sequence orthogonal modulation
11/26/2002US6487192 Frequency control method in a CDMA communication system for preventing deterioration in communication quality despite failure to control of transmission power in a mobile station
11/26/2002US6487174 S/N measuring circuit and method, transmitting electric power control apparatus and digital communicating system
11/26/2002CA2230294C Apparatus and method for digital data transmission
11/21/2002WO2002093962A1 Radio base station and communication terminal
11/21/2002WO2002093951A1 Dynamic channel quality measurement procedure for adaptive modulation and coding techniques
11/21/2002WO2002093787A1 Physical channel configuration signaling procedures
11/21/2002WO2002093785A1 Channel assignment in hybrid tdma/cdma communication system
11/21/2002WO2002093771A1 Cdma searcher with time offset compensation
11/21/2002WO2002093769A1 Fast slewing pseudorandom noise genereator
11/21/2002WO2002093757A2 Channel quality measurements for downlink resource allocation
11/21/2002US20020174152 Multi-sequence fast slewing pseudorandom noise generator
11/21/2002US20020172264 Partly orthogonal multiple code trees
11/21/2002US20020172260 Spread spectrum electromagnetic signals
11/21/2002US20020172182 Method and device for processing a digital data signal in a CDMA radio transmitter
11/21/2002US20020172181 Method and apparatus for achieving channel variability in spread spectrum communication systems
11/21/2002US20020172180 Use of chip repetition to produce a flexible bandwidth DS-CDMA system
11/21/2002US20020172168 Walsh code allocation/de-allocation system
11/21/2002US20020172167 Traffic control method of wireless mobile communication
11/21/2002US20020172147 Communication device and communication method
11/21/2002DE10221161A1 Abstandsmessvorrichtung The distance measuring apparatus
11/21/2002CA2776516A1 Channel quality measurements for downlink resource allocation
11/21/2002CA2756677A1 Physical channel configuration signaling procedures
11/21/2002CA2447572A1 Channel quality measurements for downlink resource allocation
11/21/2002CA2447246A1 Channel assignment in hybrid tdma/cdma communication system
11/20/2002EP1259013A1 Device and method for displaying code domain power
11/20/2002EP1259001A1 Concatenation convolutional code decoder
11/20/2002EP1201040A4 Channel assignment apparatus and method for common packet channel in a wcdma mobile communication system
11/20/2002EP1112627B1 Communication system
11/20/2002CN1381107A Method for selecting RACH in CDMA mobile communication system
11/20/2002CN1381102A Communication system
11/20/2002CN1381095A Efficient implementation of proposed TURBO code interleavers for third generation code division multiple access
11/20/2002CN1380985A Method of despreading GPS spread spectrum signals
11/20/2002CN1380800A Non-uniformly code rate matching method of wireless mobile communication system
11/20/2002CN1380765A Method for transmitting control data in CDMA mobile communication system
11/20/2002CN1380764A Equipment for supporting common channel block data service in CDMA 2000 wireless access network and its method
11/20/2002CN1380763A Method and device for producing synthesis wave
11/20/2002CN1380762A Calling permission control method in multiservice code division multiple address mobile communication system
11/20/2002CN1094713C System and method for wireless communications
11/20/2002CN1094704C Method for accessing cell using two pilot channels in CDMA communication system of asynchronous or quasi-synchronous mode
11/20/2002CN1094703C Mobile communication method and system
11/19/2002US6484032 Path connection control system and control method thereof in CDMA mobile communication system
11/19/2002US6483829 Pilot signal detection and radio communication terminal apparatus
11/19/2002US6483828 System and method for coding in a telecommunications environment using orthogonal and near-orthogonal codes
11/19/2002US6483825 Time synchronization method in CDMA system
11/19/2002US6483816 CDMA communication system and its transmission power control method
11/19/2002CA2246168C Pn code generating apparatus and mobile radio communication system
11/19/2002CA2236518C Cdma radio transmitting apparatus and cdma radio receiving apparatus
11/19/2002CA2188869C A direct sequence cdma coherent uplink detector
11/14/2002WO2002065458A3 Method and apparatus for interoperability between voice transmission systems during speech inactivity
11/14/2002US20020168944 Dynamic channel quality measurement procedure for adaptive modulation and coding techniques
11/14/2002US20020167992 Method for reliable signaling information transmission in a wireless communication system
11/14/2002US20020167929 Frequency control method in a CDMA communication system for preventing deterioration in communication quality despite failure to control of transmission power in a mobile station
11/14/2002US20020167928 Physical channel configuration signaling procedures
11/14/2002US20020167654 Distance measurement apparatus
11/13/2002EP1257140A1 Method to control uplink transmissions in a wireless communication system
11/13/2002EP1257074A2 A method and apparatus for assigning codes
11/13/2002EP1257071A2 Adaptive array antenna receiving apparatus capable of shortening convergence time of antenna weights
11/13/2002EP1257066A1 Received wave transmitter and mobile device identification system
11/13/2002EP1256253A1 Radio resource management in a communication system
11/13/2002CN1379967A Channel set-up in wideband, code division multiple access systems
11/13/2002CN1379612A Priority and control of data stream of extended frequency multi usre channel
11/13/2002CN1379605A Process of proceeding base band on received signal and base station
11/13/2002CN1379560A Forward power control method for CDMA mobile communication system
11/13/2002CN1379558A Base station equipment with adaptive array and its transmitting and receiving method
11/13/2002CN1379557A ARQ mechanism able to automatically request retransmissions for multiple rejections
11/13/2002CN1094296C 使用cdma(码分多址)系统的移动通信的发射功率控制方法和设备 Transmission power control method and apparatus using cdma (Code Division Multiple Access) mobile communication system,
11/12/2002US6480526 Spread spectrum receive apparatus
11/12/2002US6480482 Multi-user interference cancellor with small sized circuits and little quantity of calculation
11/12/2002US6480478 Data demodulator for multicode CDMA system
11/12/2002US6480197 Transmitter, receiver and/or record carrier for use with an information signal including a coded text line having character codes and control codes for controlling display of characters defined by the character codes
11/12/2002CA2110995C Multiple access coding for radio communications
11/07/2002WO2002089432A1 Rescheduling scheduled transmissions
11/07/2002WO2002089362A1 Transmission power control circuit using w-cdma method
11/07/2002WO2002089351A1 Reducing mutual channel interference in frequency-hopping spread spectrum wireless communication systems, such as bluetooth systems
11/07/2002US20020165003 Synchronization signal for synchronizing base stations
11/07/2002US20020164967 Radio receiving device and radio receiving method
11/07/2002US20020163898 Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
11/07/2002US20020163897 Base station device
11/07/2002US20020163896 Radio communication terminal and interference canceling method
11/06/2002EP1254533A1 Collision avoidance
11/06/2002EP1187574A4 Data transmission within a spread-spectrum communication system
11/06/2002EP1010257A4 Method and apparatus for synchronized communication over wireless backbone architecture
11/06/2002EP0846376A4 Method and apparatus for rate determination in a communication system
11/06/2002EP0824802B1 Method of receiving and searching a signal transmitting in bursts
11/06/2002CN1378727A Method for constructing quadrature spread spectrum code blocks
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