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)
06/2009
06/17/2009EP1212854A4 Method for performing usts handover and usts mode switching in a mobile communication system
06/17/2009CN100502273C Test device, mobile terminal device and test method
06/17/2009CN100502272C Method for improving air transmission rate for data business
06/17/2009CN100502271C Calling admission control method of WCDMA access system
06/17/2009CN100502270C Method of protocol version detection in communication system
06/17/2009CN100502269C Iu port user plane time adjusting method for 3G mobile communication
06/17/2009CN100502251C Transmitter apparatus, receiver apparatus, transmission method, reception method
06/16/2009US7548759 Power controlling method during a soft handoff in a mobile communication system
06/16/2009US7548558 Cable modem termination system with flexible addition of single upstreams or downstreams
06/16/2009US7548528 Method for assigning and method for scheduling codes for data transmissions, between a radio station and at least one subscriber station, over an air interface of a radiocommunication system, together with network-side equipment and radio station
06/16/2009US7548509 Acknowledging broadcast transmissions
06/11/2009WO2009072813A2 Method and system for transmitting and receiving signals
06/11/2009US20090147755 Method and apparatus for data-centric multiplexing
06/10/2009EP2068480A1 Transmission/reception device, transmission/reception system, and transmission/reception method
06/10/2009EP2068475A1 Sequence allocating method and sequence allocating apparatus
06/10/2009EP1456966B1 Method and apparatus for quality measure target value based site selecton diversity
06/10/2009CN101455017A Optical code communication system
06/10/2009CN100499923C Portable telephone device using low code quantity to roam between two systems
06/10/2009CN100499910C Soft switching method
06/10/2009CN100499863C Peripheral base station information updating method, mobile communication system, mobile station and base station
06/10/2009CN100499442C Device and method for transmitting or receiving data in communication system
06/10/2009CN100499432C Spread spectrum code allocation method, a radio base station and a mobile station
06/10/2009CN100499430C Method of forward direction power control of CDMA cluster communication system
06/10/2009CN100499429C Forward power controlling method for CDMA clustered communication system
06/10/2009CN100499427C Method for realizing communication system mixed capacity calculation
06/10/2009CN100499426C Wireless network planning method of CDMA service
06/10/2009CN100499425C Multifunctional handset capable of recording and playing speech
06/10/2009CN100499424C Method for supporting cluster service multi-channel by CDMA system
06/10/2009CN100499423C Filter device for forward link of CDMA system and filtering method thereof
06/10/2009CN100499422C Method for forecasting load of self-adaptive CDMA system
06/10/2009CN100499421C Method for performing switching between PHS to WCDMA system
06/10/2009CN100499420C Method for converting asynchronous clock zone into synchronous one
06/10/2009CN100499419C Method and device for reducing multi-address interference in wideband CDMA access system
06/10/2009CN100499418C Method of determining radio link frame deviation in WCDMA system
06/09/2009US7545845 Wireless communication system, wireless transmitter, wireless receiver, wireless communication method, wireless transmission method and wireless reception method
06/09/2009US7545777 CDMA communication system and method
06/04/2009WO2009069315A1 Sequential transmission method
06/04/2009US20090143075 Mobile station, base station, communications system, and communication method
06/04/2009US20090141736 Contention-based communications
06/03/2009EP2066060A2 Method for balancing the ratio Eb/I in a service multiplexing CDMA system and telecommunication systems using this method.
06/03/2009EP2066042A1 Power control during state transition
06/03/2009EP2066039A1 A base station, a mobile station, a radio communication system, and a radio radio transmission method using spread spectrum and chip repetition
06/03/2009EP1921765B1 Spread spectrum communication device
06/03/2009EP1279309B1 Method and device at telecommunication system
06/03/2009EP1232575B1 method for assigning a common packet channel in a cdma communication system
06/03/2009CN100495943C Method and apparatus for estimating power required for transmission of data at a rate in a communication system
06/03/2009CN100495940C Extended frequency demodulator
06/02/2009US7542505 Systems and methods for signal conversion
06/02/2009US7542482 Method and apparatus for message segmentation in a wireless communication system
06/02/2009US7542408 Method of reducing inter-subcarrier interference in multicarrier communication systems and receiver using it
06/02/2009CA2483495C Method and apparatus for dynamic packet transport in cdma2000 networks
06/02/2009CA2330185C Cdma communication system
05/2009
05/28/2009WO2009065273A1 A method for supporting the high order modulation and synchronization in the time division synchronous code division multiple access system
05/28/2009US20090135950 Maximizing data rate by adjusting codes and code rates
05/28/2009US20090135889 Method and system for code reuse and capacity enhancement using null steering
05/28/2009US20090135053 Code generation apparatus
05/28/2009DE102005034009B4 Verfahren und Vorrichtung zum Verkürzen von pseudozufälligen Spreizsequenzen auf eine vorgegebene Länge für ein Codemultiplex-Zugriffsverfahren Method and device for shortening of pseudo-random spreading sequences to a predetermined length for a code division multiple access method
05/27/2009EP2063564A1 Method and system for control of congestion in CDMA systems
05/27/2009EP2063544A1 Wireless communication apparatus and wireless communication method
05/27/2009EP1766818A4 Method and apparatus for minimizing co-channel interference by scrambling
05/27/2009EP1540817A4 Cck demodulation via symbol decision feedback equalizer
05/27/2009EP1232574B1 Tstd apparatus and method for a tdd cdma mobile communication system
05/27/2009CN101442337A Method for estimating channel of multi-aerial system by intermediate code
05/27/2009CN101442336A Method and apparatus for reducing peak-to-average ratio
05/27/2009CN100493263C Wireless base station unit
05/27/2009CN100493257C Handover control method and mobile station using the same method
05/27/2009CN100493256C Cellular phone apparatus and cell search method used therefor
05/27/2009CN100493254C Heterofrequency blind switch-over method in WCDMA system
05/27/2009CN100493125C Method for setting call datailed record in CDMA precharging business
05/27/2009CN100493066C Optimized mobile platform positioning and selecting method
05/27/2009CN100493061C Method of detecting signal by combining compensate of frequency deviation for orthogonal packet in MC-CDMA downlink chain
05/27/2009CN100493032C Packet communicating apparatus
05/27/2009CN100492956C Space-time block code MT-CDMA system uplink transmitting and receiving method
05/27/2009CN100492955C Method and device for dynamaically saving GPS time
05/27/2009CN100492954C Space characteristic extracting and signal reaching direction estimating method for CDMA wireless telecommunication
05/27/2009CN100492953C A method for implementing flexible ringing service
05/27/2009CN100492952C Soft switching roaming charging mehod
05/27/2009CN100492950C Positoning precision improving method of advanced forward link trilateration
05/27/2009CN100492949C Method for estimating channel containing multiple code sets in time slot CDMA system
05/27/2009CN100492948C Data processing method for use after composite transmission channel demultiplexing
05/27/2009CN100492947C Radio resource control connection discharge method in wide band CDMA system
05/27/2009CN100492939C Encoder and encoding method
05/27/2009CN100492930C Spread spectrum communication device and spread spectrum communication method
05/26/2009US7539173 Radio communication system, radio terminal, base station, control equipment and communication method
05/26/2009US7539157 Communication system and transmission power control method
05/26/2009US7539122 Device and method for management of the transmission of blocks of data in an HS-DSCH downlink channel of a mobile communications network
05/22/2009WO2009063868A1 Mobile communication method, radio control station and radio base station
05/22/2009WO2009063098A1 Method and device for the digital transmission and reception of information signals
05/22/2009WO2009045045A3 Method for transmitting signals for interference randomization
05/21/2009US20090131097 Apparatus and method for transmission power balance adjustment in a mobile cellular system
05/21/2009US20090129445 Interference characterisation and removal
05/21/2009US20090129443 Multi-Channel Transmission System, Transmitting Apparatus and Transmitting Method
05/21/2009US20090129305 Method and system for providing transmission control in a communication system
05/20/2009CN201243296Y Wideband intelligent antenna system
05/20/2009CN101436877A Method for capturing multi-path interference resistant PN code self-adapting threshold
05/20/2009CN101436875A Mobile communication equipment
05/20/2009CN100490573C Vase telephone call testing system and method based on CDMA system
05/20/2009CN100490564C Method and device for providing dispatch scanning in CDMA communication system
05/20/2009CN100490477C System and method for implementing color ring back tone (CRBT) service in CDMA communication system
05/20/2009CN100490365C TD-SCDMA channel estimation method
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