Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
07/2000
07/11/2000US6088583 Automatic gain control circuit
07/11/2000US6088382 Cell search circuit for CDMA
07/11/2000US6088381 System for transporting frequency hopping signals
07/11/2000US6088350 Digital radio communication apparatus and method employing frequency hopping for multi-purpose data processing apparatuses
07/11/2000US6088335 Code division multiple access system providing load and interference based demand assignment service to users
07/11/2000US6088324 Prediction-based transmission power control in a mobile communications system
07/11/2000CA2295265A1 Methods of dynamically assigning channel codes of different lengths in wireless communication systems
07/09/2000CA2295436A1 Method for operating base station to solve speech disable state based on inter-speech sphere movement of mobile station in enlarging speech radius limited in timing in code division multiple access mobile communication system
07/06/2000WO2000039945A1 Device and method for spreading channels in mobile communication system
07/06/2000WO2000039941A1 Interleaving / deinterleaving device and method for communication system
07/06/2000WO2000039940A1 Code tracking loop for a spread-spectrum receiver
07/06/2000WO2000039939A1 Method for receiving spectrum spread signals with frequency offset correction
07/06/2000DE19851309C1 Data transmission method for radio communication system
07/05/2000EP1017190A2 Radio channel multiplex communication method, a mobile unit, and a base station in CDMA mobile communication system
07/05/2000EP1016959A2 Pseudorandom number generator for WCDMA
07/05/2000EP1016234A1 A method of and apparatus for transmitting data in a multiple carrier system
07/05/2000EP0514539B1 Spread spectrum cdma communications system
07/04/2000US6084918 Data transmission method and devices
07/04/2000US6084890 Method and apparatus for combining carrier signals
07/04/2000US6084884 CDMA communication method and group spreading modulator
07/04/2000US6084852 Burst mode preamble
07/04/2000CA2292832A1 Space-time spreading method of cdma wireless communication
07/04/2000CA2093228C Cdma subtractive demodulation
06/2000
06/29/2000WO2000038468A1 Method and apparatus for resource reservation in a mobile radio communications system
06/29/2000WO2000038462A1 Cellular radio communication method, control equipment and mobile stations using said method
06/29/2000WO2000038457A1 System and method for estimating interfrequency measurements used for radio network function
06/29/2000WO2000038349A1 Mobile communication system and method of operating the same having compressed mode operation
06/29/2000WO2000038344A1 Compensation for phase errors caused by clock jitter in a cdma communication system
06/29/2000WO2000038333A1 Interleaving/deinterleaving device and method for communication system
06/29/2000CA2355248A1 Method and apparatus for resource reservation in a mobile radio communications system
06/29/2000CA2352096A1 Mobile communication system and method of operating the same having compressed mode operation
06/28/2000EP1014593A2 CDMA Rake receiver operable in a time division fashion
06/28/2000EP1013128A1 Method and device for transmitting user data in a radiocommunication system
06/28/2000EP1013020A1 Method and apparatus for providing orthogonal spot beams, sectors, and picocells
06/28/2000EP1013009A1 Method for generating quasi-orthogonal code and spreader using the same in mobile communication system
06/28/2000EP1012995A2 Data transmission method and mobile telephone system
06/28/2000EP1012902A2 Quasi-orthogonal code mask generating device in mobile communication system
06/28/2000EP1012808A1 Method and device for establishing a wireless communication between vehicles and communication equipment erected along the road
06/28/2000CN1258400A Device and method for controlling powers of orthogonal channel and quasi-orthogonal channel in CDMA communication system
06/28/2000CN1258176A Device for spreading or despreading frequency spectrum transmitted in mobile radio system
06/28/2000CN1258144A Amplitude level for control of transmission base band signals based on transmission code quantity
06/28/2000CN1258141A Code-division multiple access receiver working in time-division mode, and control method thereof
06/28/2000CN1258134A Pilot signal detection method and radio communication terminal equipment
06/27/2000US6081714 Low traffic handoff method for CDMA cellular network using different frequencies among base stations
06/27/2000US6081564 Apparatus and methods for tracking power level of received signal in code division multiple access communication system
06/27/2000US6081547 CDMA communication system
06/27/2000CA2145708C Code division multiple access system providing variable data rate access to a user
06/27/2000CA2001349C Spectrum spread communication by csk modulation
06/22/2000WO2000036761A2 Random access channel preamble detection
06/22/2000WO2000021229A3 Method for adapting data rates in universal mobile telephone systems (umts)
06/22/2000WO2000013440A9 Transmission of gsm circuit-switched data over a cdma link
06/21/2000EP1011211A1 Base station apparatus of mobile communication system
06/21/2000EP1011207A2 Transmission power control of baseband signal depending on the number of transmission codes
06/21/2000EP1011205A2 DS-CDMA multi-user interference canceller and CDMA multi-user system using the same
06/21/2000EP1010278A1 Method and system for controlling speech encoding in a communication system
06/21/2000EP1010269A1 Signalling system
06/21/2000EP1010266A1 A method for assigning spreading codes
06/21/2000EP1010263A1 Downlink channel handling within a spread spectrum communications system
06/21/2000EP1010257A1 Method and apparatus for synchronized communication over wireless backbone architecture
06/21/2000DE19856834A1 Verfahren zur Datenübertragung in einem Funk-Kommunikationssystem Method for transmitting data in a radio communication system
06/21/2000CN1257362A Modulation signal generator for wide band CDMA radio local loop system
06/21/2000CN1257352A Spread frequency spectrum signal receiving method and radio communication terminal equipment
06/20/2000US6078611 Rake receiver and finger management method for spread spectrum communication
06/20/2000US6078609 Radio communication system using frequency hopping, and method of controlling same
06/20/2000US6078572 Access method, mobile station and base station for CDMA mobile communication system
06/15/2000WO2000035225A1 Method for data transmission in a radio communications system
06/15/2000WO2000035224A1 Method for reducing the number of interrupt phases necessary for monitoring adjacent channels
06/15/2000WO2000035222A1 Apparatus and methods for channel allocation
06/15/2000WO2000035208A1 Device and method for locating a mobile station in a mobile communication system
06/15/2000WO2000035128A1 Method and apparatus for expanding cell coverage in mobile communication system
06/15/2000WO2000035120A1 Power control method and system in mobile communication networks
06/15/2000WO2000035119A2 A method and apparatus for the construction and transmission of binary quasi orthogonal vectors
06/15/2000WO2000035101A1 Efficient implementation of proposed turbo code interleavers for third generation code division multiple access
06/15/2000WO2000034800A1 Provisioning of gps assistance data in a wcdma network
06/15/2000WO2000013426A3 Packet data communication device and method in mobile communication system
06/15/2000WO2000004728A3 Processing packet data in mobile communication system
06/15/2000WO1998024204A3 Method of measuring frequency difference, and receiver
06/15/2000DE19856401A1 Verfahren zur Datenübertragung in einem Mobilfunksystem, Mobilstation und Basisstation Method for data transmission in a mobile radio system, mobile station and base station
06/15/2000CA2353539A1 Provisioning of gps assistance data in a wcdma network
06/14/2000EP1009183A1 Selecting a system in multi-system environment by monitoring search codes
06/14/2000EP1009117A1 Method of matching resources required and resources allocated in a mobile radio system
06/14/2000EP1009110A2 Channel multiplexing method in mobile communication system
06/14/2000EP1008245A1 Cell searching in a cdma communications system
06/14/2000CN1256825A CDMA base station and method of transmission power control
06/14/2000CN1256824A Mobile communication terminal
06/14/2000CN1256823A Base station apparatus of mobile communication system
06/14/2000CN1256822A Device and method for exchanging frame message of different lengths in CDMA communication system
06/14/2000CN1256821A Rate control device and method for CDMA communication system
06/14/2000CN1256601A Method for matching required resource and distributed resource in mobile radio system
06/14/2000CN1256598A Method and apparatus for producing complex scramble code sequence
06/14/2000CN1256562A Method of executive automatic frequency cotrol for mobile station during voice communication mode
06/14/2000CN1256558A Channel multiplexing method for use in mobile communication system
06/14/2000CN1256557A Watermark superpositing method and device and transmission method, editing and video output device
06/13/2000US6075812 High-data-rate wireless local-area network
06/13/2000US6075811 Receiving apparatus, receiving method, and terminal unit for use with radio system
06/13/2000US6075809 Receiving apparatus, receiving method and terminal unit for use with radio system
06/13/2000US6075808 Spread spectrum time diversity communications system
06/13/2000US6075793 High efficiency spread spectrum system and method
06/13/2000US6075792 CDMA communication system which selectively allocates bandwidth upon demand
06/13/2000US6075778 Radio communication system, method of radio communication for information provision service, and mobile radio station