Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
07/2004
07/29/2004US20040146029 Rate matching and channel interleaving for a communications system
07/29/2004US20040146027 Channel switching method for CDMA mobile wireless system and base station for CDMA mobile wireless system
07/29/2004DE10301250A1 Verfahren zum Übertragen eines Daten-Worts Method for transmitting a data word
07/28/2004EP1441554A2 Test apparatus, mobile terminal apparatus and test method
07/28/2004EP1441458A1 Transmission apparatus, transmission method, transmission control program, medium containing transmission control program, reception apparatus, reception method, reception control program, and medium containing reception control program
07/28/2004EP1440531A1 Method and apparatus for controlling data rate in a wireless communication system
07/28/2004EP1440527A1 Apparatus and method for controlling power of reverse channels in a mobile communication system
07/28/2004EP1440523A1 Method and system for code reuse and capacity enhancement using null steering
07/28/2004EP1243081B1 Spreading factor determination
07/28/2004CN1516928A System for direct sequence spreading
07/28/2004CN1516499A Transmitter, basic station and transmitting method for CDMA system
07/28/2004CN1516435A Method for making data back-supplement by utilizing two-way transmission of palmtop
07/28/2004CN1516380A Data communication device and method
07/28/2004CN1516378A Multifunctional handset capable of recording and playing speech
07/28/2004CN1516376A Transmission format combined indiation decoding method in communication system
07/28/2004CN1516375A Time service synchronous device, system and method
07/28/2004CN1516374A Base station controller and forward frame synchronous transmission method between base station transceivers
07/28/2004CN1516373A Method for implementing MSC controlled packet data service function of CDMA system
07/28/2004CN1516372A Method for controlling increment of initial power by using slort code in code division multiple address system
07/28/2004CN1516371A Transmission format combined indication decoding method in communication system
07/28/2004CN1516349A Synchronous signal detection before random insertion channel
07/28/2004CN1159946C Small area searching method in asynchronous wide-band code division multiple address system
07/28/2004CN1159879C Call enableness controlling method in CDMA mobile communication system
07/28/2004CN1159876C Method of implementing split and recombination of sub-layers in ATM adaptive layer by means of FPGA
07/28/2004CN1159874C SIR estimating method na device for WCDMA system
07/28/2004CN1159873C Appts. and method for allocating forward common channels in CDMA communication system
07/27/2004US6768912 Radio base station apparatus with inter-shelf communication
07/27/2004US6768729 CDMA receiver, path detection method, and recording medium on which path detection control program is recorded
07/27/2004US6768728 Device and method for exchanging frame messages of different lengths in CDMA communication system
07/22/2004WO2004062283A1 Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data
07/22/2004WO2004062153A1 Radio communication apparatus and radio transmission method
07/22/2004WO2004013976A3 Method and mobile station for reporting multi-path signals based on a report window
07/22/2004US20040142712 Method for allocating secondary synchronization codes to a base station of a mobile telecommunication system
07/22/2004US20040141546 Method and apparatus for ultra wideband communications system employing a spread spectrum technique transmitting a baseband signal over a wide frequency band
07/22/2004US20040141499 Optical communication network using a code division multiplexing method
07/22/2004US20040141458 Apparatus and method for reducing peak to average power ratio in an orthogonal frequency division multiplexing system
07/22/2004DE10325287A1 Scrambler, De-Scrambler und sich darauf beziehendes Verfahren Scrambler, De-Scrambler and forward of relational method
07/22/2004DE10300329A1 Direct sequence spread spectrum collision detection multiple access transmission involves associating pseudorandom sequence code states to signal depending on counter, pseudorandom sequence modulation
07/21/2004EP1439728A2 Method for measuring confusion rate of a common packet channel in a cdma communication system
07/21/2004EP1439652A2 Radio control device and method of selecting spread code
07/21/2004EP1438798A1 Selecting optimal transmit formats for transmissions over allocated time durations
07/21/2004EP1438793A1 Power control of downlink shared channel (dsch)
07/21/2004EP1133845A4 Method and apparatus for mobile station location within a communication system
07/21/2004EP0840988B1 Connection establishment method and radio system
07/21/2004EP0824796B1 Method and equipment for multirate coding and detection in a multiple access mobile communication system
07/21/2004CN1514998A Method and apparatus for inter operability between voice tansmission systems during speech inactivity
07/21/2004CN1514562A Method of realizing back bell sound service in CDMA system
07/21/2004CN1514559A Velocity regulating method of speech sound self adaptive multivelocity
07/21/2004CN1158803C Propagation path estimating method for interference eliminator and interference eliminator
07/21/2004CN1158802C High-efficient random insertion control method for CDMA mobile communication system
07/21/2004CN1158800C Method for preventing collision of extended orthogonal code
07/21/2004CN1158799C Method of expanding storage space for mobile terminal user
07/21/2004CN1158798C Reverse permission control method
07/21/2004CN1158797C Realizing method of digital match filter for broadband CDMA primary synchronization channel
07/21/2004CN1158796C Apparatus and method for generating frame sync word and verifying frame sync word in CDMA communication system
07/21/2004CN1158790C Communication terminal apparatus
07/20/2004US6766337 Apparatus and method for generating spreading code in CDMA communication system
07/20/2004US6765898 Micro cell base station with interfering signal attenuation
07/20/2004US6765897 Downlink power control method and cellular network using this method
07/20/2004US6765894 Communication terminal apparatus and base station apparatus
07/20/2004US6765883 Adaptive rate power control CDMA system
07/20/2004US6765506 Scrambler, de-scrambler, and related method
07/20/2004CA2374355C Prioritization and flow control of data packets for a spread spectrum multiuser channel
07/15/2004WO2004059893A1 Apparatus and method for midamble generation
07/15/2004WO2004059884A1 Radio communication system, communication terminal device, base station device, and radio communication method
07/15/2004WO2004059865A1 Training sequence detection scheme and device of downlink in tdd/cdma system
07/15/2004WO2004059864A1 Method and device to maintain synchronization tracking in tdd wireless communication
07/15/2004WO2004059862A1 A method and device of cell search for mobile terminal in tdd-cdma system
07/15/2004WO2004059861A1 Multimode receiver.
07/15/2004WO2004025842A3 System for efficient recovery of node-b buffered data following mac layer reset
07/15/2004WO2004016033A3 Method and system for leaving a communication channel in a wireless communications system
07/15/2004US20040139230 SIP service method in a network having a NAT
07/15/2004US20040139133 Apparatus and method for immediate non-sequential state transition in a PN code generator
07/15/2004US20040137946 Base station and mobile broadcast communication system including the same
07/15/2004US20040136468 Transmitter and transmitting method, receiver and receiving method, pulse detection method, and tracking method
07/15/2004US20040136395 Multicarrier transmission method and apparatus
07/15/2004US20040136393 Process for multiple access and multiple transmission of data in a multi-user system for the point to multipoint digital transmission of data over the electricity network
07/15/2004US20040136345 Handover method in CDMA mobile communication, base station and mobile station
07/15/2004US20040136344 Device and method for exchanging frame messages of different lengths in CDMA communication system
07/15/2004US20040136343 Code reuse apparatus in CDMA wireless communication system using beamforming by antenna array and code reuse method therefor
07/15/2004US20040136336 Base station apparatus of mobile communication system
07/14/2004EP1437913A1 Establishment of macro diversity with random access type connections in a cellular radio system
07/14/2004EP1437912A1 Method for determining data rate of user equipment supporting EUDCH service
07/14/2004EP1437872A1 Channel encoding device and method and data transmission device for a CDMA communication system
07/14/2004EP1437843A1 TSTD apparatus and method for a TDD CDMA mobile communication system
07/14/2004EP1437837A2 Multi-mode communication device operable in gsm/wcdma
07/14/2004EP1436996A1 Interactive protocol for remote management of access control to scrambled data
07/14/2004EP1436969A2 System for improved power savings during full dtx mode of operation in the downlink
07/14/2004EP1436958A1 A digital implementation of multi-channel demodulators
07/14/2004EP1436929A1 System and method for spread spectrum communication
07/14/2004EP1436917A1 Method for processing shared sub-packets in a communication system
07/14/2004EP1436912A1 Method and apparatus for multi-channel reverse link outer-loop power control
07/14/2004EP1378086B1 Turbo decoder with circular redundancy code signature comparison
07/14/2004EP1330049B1 Apparatus and method for distributing power in an HSDPA system
07/14/2004EP1188260B1 Cell search procedure for time division duplex communication systems using code division multiple access
07/14/2004EP0872140B1 A method for selecting the way to perform a handover, and a cellular radio system
07/14/2004EP0727120B1 Method and apparatus for the transmission of variable rate digital data
07/14/2004CN1513275A Carrier selection method
07/14/2004CN1513238A Method and apparatus for W-CDMA modulation
07/14/2004CN1513234A Radio communication device and radio communication method