Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
02/2005
02/03/2005DE19752858B4 Signalprozessor zur Verarbeitung hochfrequenter CDMA-Signale mit OFW Signal processor for processing high-frequency CDMA signals with OFW
02/02/2005EP1503607A2 Radio network controller and radio communications method
02/02/2005EP1503549A2 High-speed-WPAN and method for enabling communication between devices located in different piconets
02/02/2005EP1503516A2 Mobile communication system, mobile communication terminal, power control method used therefor, and program therefor
02/02/2005EP1503514A1 CDMA communication system and method
02/02/2005EP1201041A4 Apparatus and method for synchronization of uplink synchronous transmission scheme in a cdma communication system
02/02/2005EP1114530B1 Data rate detection device and method for a mobile communication system
02/02/2005CN1575616A Method and apparatus for mobile-initiated, CDMA-dispatch soft handoff
02/02/2005CN1575554A Systems and techniques for power control
02/02/2005CN1575025A Method for controlling operational states of a MAC layer in an OFDM mobile communication system
02/02/2005CN1574721A Radio signal communication method, base station and terminal station
02/02/2005CN1574716A TD-SCDMA channel estimation method
02/02/2005CN1574681A Adjusting the transmission power of a forward access channel (fach), and a corresponding network for mobile telecommunications
02/02/2005CN1574679A 功率控制方法和功率控制电路 Power control method and a power control circuit
02/02/2005CN1574668A Asymmetric forward/backward transmission bandwidth
02/02/2005CN1574667A Method and apparatus for ultra wideband wireless communication using channel information
02/02/2005CN1574655A UWB wireless transmitter and receiver using UWB FM signals and method thereof
02/02/2005CN1187940C Method for defining impulse function and equipment using same method
02/02/2005CN1187928C Transmititng apparatus and gain compensating method
02/02/2005CN1187925C Terminal equipment for CDMA cellular radio network
02/02/2005CN1187908C Method for controlling emission power and communication system using same
02/02/2005CN1187905C Receiver circuit for communications terminal device and method for processing signal in receiver circuit
02/02/2005CN1187903C Rate adaption method and apparatus of data transmission
02/01/2005US6850582 Frame synchronization and detection technique for a digital receiver
02/01/2005US6850555 Signalling system
02/01/2005US6850554 Circuit and method for controlling a spread spectrum transition
02/01/2005US6850553 Chirp slope multiple access
02/01/2005US6850514 Channel assignment in a spread spectrum CDMA communication system
02/01/2005US6850507 Apparatus and method for acquiring PN sequence in multicarrier CDMA mobile communication system
02/01/2005US6850506 Forward-link scheduling in a wireless communication system
02/01/2005US6850238 Display of code power levels and relationships of multiple spreading factor orthogonal codes in a CDMA signal
01/2005
01/27/2005WO2005008474A1 Device and method for composing codes
01/27/2005US20050020264 Cellular telephone
01/27/2005US20050018754 Pilot signals for synchronization and/or channel estimation
01/27/2005US20050018753 System and method for spread spectrum communication
01/27/2005US20050018705 Communication system and transmission power control method
01/27/2005US20050018642 Communications device used in CDMA
01/26/2005EP1501224A2 Orthogonal complex spreading method for multichannel and apparatus thereof
01/26/2005EP1501219A1 Pseudorandom number offset assignment system and method
01/26/2005EP1501218A1 Base station apparatus of mobile communication system
01/26/2005EP1501217A2 A radio communication system with transmission power control
01/26/2005EP1501208A1 Power control method (outer-loop) in discontinuous transmission (DTX) using pilot bits
01/26/2005EP1501204A1 Asymmetrical forward/reverse transmission bandwidth in a CDMA system
01/26/2005EP1500240A1 Method and system for eliminating spectral lines in time hopping ultra wide bandwidth signal
01/26/2005EP1232620B1 Variable rate spread spectrum communication method and apparatus
01/26/2005EP0965188B9 Method and apparatus for generating complex four-phase sequences for a cdma communication system
01/26/2005CN2674803Y Substation with zero control apparatus
01/26/2005CN1572101A User equipment for improved power savings during full DTX mode of operation in the downlink
01/26/2005CN1572079A Method and device for data communication in a multi-user system
01/26/2005CN1571325A Channel estimation method suitable for GSM and enhanced data rate for GSM evolution (EDGE)
01/26/2005CN1571324A Method for packet data scheduling of multi-level service in CDMA mobile communication system
01/26/2005CN1571323A A method for implementing ringing back tone service in subscriber group prompting service
01/26/2005CN1571322A An inter-system switching method for dual-mode terminal
01/26/2005CN1571320A A processing method for sharing cluster data link
01/26/2005CN1571318A Data throughput adjusting method
01/26/2005CN1571317A Transmission layer resource distributing method for wireless network controller
01/26/2005CN1571316A An implementing method for shortening critical path of Turbo decoder
01/26/2005CN1571298A A rate regulating method for voice adaptive multi rate (AMR)
01/26/2005CN1571297A A method for determining preact of time
01/26/2005CN1571292A A method for controlling inter-frequency load balancing in WCDMA system
01/26/2005CN1186895C Method for generating 3D wave beams in intelligent antenna
01/26/2005CN1186893C Apparatus and method for gated transmission in CDMA communication system
01/26/2005CN1186892C Using orthogonal waveforms to enable multiple transmitters to share single CDM channel
01/26/2005CN1186888C Method and apparatus for reducing amplitude variations and interference in communication signals, e.g. employing inserted pilot symbol in wireless communication
01/26/2005CN1186882C Method of assigning frequency using transmission loss
01/25/2005US6847677 Method and apparatus for efficient Walsh covering and summing of signals in a communication system
01/25/2005US6847624 CDMA mobile communications system and its random access control method and base station
01/25/2005CA2305874C Device and method for multiplexing physical channel in cdma communication system
01/20/2005WO2005006623A1 Spread code generation method, cdma transmission device, and cdma reception device
01/20/2005WO2005006573A2 Method and system for coded null packet-aided synchronization
01/20/2005WO2004105326A3 Time-triggered communication system and method for the synchronized start of a dual-channel network
01/20/2005WO2004080020A3 Methods and apparatus for reducing discrete power spectral density components of signals transmitted in wideband communication systems
01/20/2005US20050014504 Communication terminal apparatus
01/20/2005US20050013392 Radio signal receiving method and radio signal receiver
01/20/2005US20050013390 Hybrid UWB receiver with matched filters and pulse correlator
01/20/2005US20050013284 System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
01/20/2005US20050013273 System and method for call admission control
01/19/2005EP1499143A2 Wireless communication terminal apparatus
01/19/2005EP1499053A2 Orthogonal complex spreading method for multichannel and apparatus thereof
01/19/2005EP1499051A2 Method and apparatus for the formatting of data for transmission
01/19/2005EP1499039A1 Base station apparatus of mobile communication system
01/19/2005EP1499036A1 Base station apparatus of mobile communication system
01/19/2005EP1499031A2 Method for ultra wideband communication using frequency band modulation, and system for the same
01/19/2005CN1568633A Method and apparatus for CDMA-dispatch soft handoff
01/19/2005CN1568629A Method for enabling subscriber entity to actively communicate in a communication network
01/19/2005CN1568607A Method and apparatus for retransmission in a wireless communication system
01/19/2005CN1568603A Method and apparatus for message segmentation in a wireless communication system
01/19/2005CN1568599A Methods and apparatus for identifying asset location in communication networks
01/19/2005CN1568592A Transmission device, reception device and radio communication method
01/19/2005CN1568587A Power control for a channel with multiple formats in a communication system
01/19/2005CN1568578A Radio transmission device and radio transmission method
01/19/2005CN1568040A Implementing method of multicarrier sending-receiving service for time division duplexing mode mobile communication system
01/19/2005CN1567859A A method of access authentication for WLAN
01/19/2005CN1567801A Radio-frequency indicator testing method
01/19/2005CN1567800A Simplified matching filter bank capable of being split and recombined
01/19/2005CN1567799A A method for solving wireless border zone problem
01/19/2005CN1567798A A method for solving wireless border zone problem
01/19/2005CN1567797A A method for implementing multiple ANID supported by PCF
01/19/2005CN1567795A 通信方法及通信系统 Communication method and communication system
01/19/2005CN1567794A Method for implementing packet pre-payment in CDMA