Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
01/2004
01/14/2004CN1467943A CDMA system and method for implementing bi-directional authentification
01/14/2004CN1467941A Blind adaptation beam forming technology
01/14/2004CN1467940A Wireless frequency selecting repeater
01/14/2004CN1467939A Communication method based on cell packet access network protocol stack
01/14/2004CN1467938A Transmission method for implementing multimedia broadcast and multicast service
01/14/2004CN1134931C Method for measuring frequency difference and receiver
01/14/2004CN1134924C Self-adaptive detecting system for CDMA and spread spectrum system compensating for frequency offset and noise
01/14/2004CN1134921C Service channel frequency distributing method for CDMA mobile communication system
01/14/2004CN1134920C Method for raising district soft capacity of CDMA communication system
01/14/2004CN1134919C Pilot signal detection method and receiver
01/14/2004CN1134917C Forward link power control method in CDMA mobile communication system
01/14/2004CN1134905C Data transmitter and receiver for expanded frequency spectrum communication system using pilot frequency channel
01/13/2004US6678338 Receiver module and receiver formed from several cascaded modules
01/13/2004US6678337 Method and device for demodulating receive signal including a pilot signal
01/13/2004US6678315 Code phase setting method and apparatus
01/13/2004US6678314 Spreading factor determination
01/13/2004US6678309 CDMA base station system
01/13/2004US6678262 Method and device for radio transmission
01/13/2004US6678260 System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system
01/08/2004WO2004004154A2 Adjusting transmit power in a wireless communication system
01/08/2004US20040005887 Collision free access scheduling in cellular TDMA-CDMA networks
01/08/2004US20040004953 Multiplexed signal quality display, system, method, and program, and recorded medium where the program is recorded
01/07/2004EP1379015A1 Base station device and packet transmission method
01/07/2004EP1378087A1 Radio communication system
01/07/2004EP1378086A2 Turbo decoder with circular redundancy code signature comparison
01/07/2004EP1378079A2 Communication system for underwater use
01/07/2004EP1188344B1 Random access control method and system
01/07/2004CN1466821A Apparatus and method for transmitting TFCI bits for hard split mode in a CDMA mobile communication system
01/07/2004CN1466299A Synchronous channel framing method for CDMA mobile communication system
01/07/2004CN1466298A Self-adaptive power control method
01/07/2004CN1466297A Self-adaptive modulating and coding method
01/07/2004CN1466296A Dynamic distribution method for shared resource
01/07/2004CN1466294A Method for obtaining initial connection frame number in broadband CDMA mobile communication system
01/07/2004CN1134185C Soft-sector switching method of CDMA mobile communication system and its correspondent device
01/07/2004CN1134128C CDMA/TDD mobile communication system and method
01/07/2004CN1134118C Radio communication apparatus and initializing synchronous method
01/07/2004CN1134112C Mobile station having emitting power control system and method for compensating emitting power
01/06/2004US6674791 Automatic power control system for a code division multiple access (CDMA) communications system
01/06/2004US6674790 System and method employing concatenated spreading sequences to provide data modulated spread signals having increased data rates with extended multi-path delay spread
01/06/2004US6674788 Automatic power control system for a code division multiple access (CDMA) communications system
01/06/2004US6674740 Iterative rake receiver and corresponding reception process
01/06/2004US6674739 Device and method for assigning spreading code for reverse common channel message in CDMA communication system
01/06/2004US6674712 Device and method for generating quaternary complex quasi-orthogonal code and spreading transmission signal using quasi-orthogonal code in CDMA communication system
01/06/2004CA2301619C Method for transmitting power control signal in mobile communication system
01/06/2004CA2103305C Spread spectrum communication system
01/02/2004EP1376970A2 Wireless Spread Spectrum Communication with Centre Seeking Decorrelation
01/02/2004EP1376917A1 Cdma communication method using multi-type diffusion sequence
01/02/2004EP1376898A2 CDMA remote station and method of transfering data
01/02/2004EP1376890A2 Wireless spread spectrum communication with preamble sounding gap
01/02/2004EP1376149A1 Method and apparatus for controlling a pulse generator for transmitting a UWB position-modulated signal
01/02/2004EP1374625A2 Transmissions in a communication system
01/02/2004EP1374438A2 Method and apparatus for power control in a communication system
01/02/2004EP0676107B1 Demodulation element assignment in a system capable of receiving multiple signals
01/01/2004US20040002353 Power control method and telecommunications system
01/01/2004US20040002352 Adjusting transmit power in a wireless communication system
01/01/2004US20040001585 Apparatus and method for generating periodic beacon signals for use in CDMA base station
01/01/2004US20040001533 Method and system of reducing electromagnetic interference emissions
01/01/2004US20040001529 Method for improving channel estimation accuracy of wireless communication system
01/01/2004US20040001472 Method for determining power offset of HS-PDSCH in an asynchronous CDMA mobile communication system and signaling method therefor
12/2003
12/31/2003WO2004002038A1 Mt-cdma using spreading codes with interference-free windows
12/31/2003WO2004002037A1 A method of spread spetrum of multi-code channels for ls codes
12/31/2003WO2004002017A1 An encoding method of the product mutual-complementing code, a verifying method and associated device
12/31/2003WO2004002007A1 Adaptive gain adjustment control with feedback
12/31/2003WO2004002001A2 Ultra-wideband communication through a wire medium
12/31/2003WO2004001994A2 Ultra-wideband communication through a wire network
12/31/2003CN1465154A Radio transmitter and redio receiver
12/31/2003CN1465153A Multi carrier transmission apparatus, multi carrier reception apparatus, and multi carrier radio communication method
12/31/2003CN1465148A Radio communication system, communication terminal apparatus, base station apparatus, and transmission power control method
12/31/2003CN1465146A Data transmitting and receiving method in a mobile communication system
12/31/2003CN1465145A Radio communication device, radio communication method, and radio base station device
12/31/2003CN1464670A Downgoing power control method in CDMA mobile communication system
12/31/2003CN1464669A Quick load balancing method for group control of functional node
12/31/2003CN1464667A Method and uses for transmitting and receiving reference signal in array receiving-transmitting system
12/31/2003CN1464666A Soft base station system based on fiber optic stretch and synchronous method thereof
12/31/2003CN1464665A Method for switching between different systems in CDMA communication system
12/31/2003CN1464664A Method for deciding starting time of compression mode in different system measurement of CDMA system
12/31/2003CN1464663A Method for establishing IPOA channel between base station and base station controller
12/31/2003CN1464662A Mobile phone user authentication charging method supporting grouped data prepayment characteristic
12/31/2003CN1464661A Channel estimation method of Rake receiver
12/31/2003CN1464660A WCDMA indicating channel receiver
12/31/2003CN1464659A Switch beam--self-adaptive secondary baseband receiving method and system of intelligent antenna
12/31/2003CN1464658A Prefix detector for WCDMA
12/31/2003CN1464657A Downgoing baseband processing unit of WCDMA system
12/31/2003CN1464656A Baseband multi-user coding and priority scheduling method and equipment for WCDMA system
12/31/2003CN1464638A Multipath selection deciding method and apparatus for Rake receiver
12/31/2003CN1133337C 资源分配 Resource Allocation
12/31/2003CN1133307C Modulation apparatus and method using zero-crossing detection
12/31/2003CN1133294C Frequency control method in CDMA communication system
12/31/2003CN1133292C Upward acceptance controlling method in wideband CDMA system
12/31/2003CN1133291C Method and device for eliminating spectrum-spreading interference in WCDMA system
12/31/2003CA2485283A1 Ultra-wideband communication through a wire medium
12/31/2003CA2485255A1 Ultra-wideband communication through a wire network
12/30/2003US6671310 Method and apparatus for positioning pulses over time by applying time-hopping codes having pre-defined characteristics
12/30/2003US6671309 Interference diversity in communications networks
12/30/2003US6671308 Spread spectrum adaptive power control
12/30/2003US6671267 Spread spectrum communication device and spread spectrum communication method
12/30/2003US6671266 Device and method for controlling powers of orthogonal channel and quasi-orthogonal channel in CDMA communication system
12/30/2003US6671251 Method for generating complex quasi-orthogonal code and apparatus and method for spreading channel data using the quasi-orthogonal code in CDMA communication system
12/30/2003US6671250 Method for deep paging
12/30/2003CA2305889C Device and method for transmitting preamble of access channel in mobile communication system