Patents
Patents for H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission (188,568)
12/2002
12/11/2002EP1265374A2 Method and apparatus for signal processing in a spread spectrum radio communications receiver
12/11/2002EP1265373A2 Signal processing method and apparatus in CDMA radio communication system
12/11/2002EP1265372A2 Spreading code generation circuit and demodulation circuit
12/11/2002EP1265371A1 Radio receiver with means for correcting multipath effects and method
12/11/2002EP1265370A1 Switch device and portable communication terminal
12/11/2002EP1265369A1 Mobile telephone using a movable antenna
12/11/2002EP1265368A2 A method and system for multi-channel RF digitization with analog selectivity
12/11/2002EP1265227A1 Automatic control of household activity using natural language speech recognition
12/11/2002EP1264505A1 Defining measurement gaps in inter-frequency measurement
12/11/2002EP1264494A1 Method for transmitting radio signals, radio communication access network and terminal using same
12/11/2002EP1264457A1 Baseband data slicing method and apparatus
12/11/2002EP1264456A2 Method and apparatus for combined soft-decision based interference cancellation and decoding
12/11/2002EP1264428A2 Method for recording information that is transmitted via a radio frequency
12/11/2002EP1264427A1 Method and apparatus for minimizing a probability of self-interference among neighboring wireless networks
12/11/2002EP1264422A2 Forward-link scheduling in a wireless communication system
12/11/2002EP1264416A2 Method and apparatus for wireless communication between electronic devices
12/11/2002EP1264415A2 Multi-user detection using an adaptive combination of joint detection and successive interference cancellation
12/11/2002EP1264414A2 Chirp slope multiple access
12/11/2002EP1264413A2 Method and system for messaging across cellular networks and a public data network
12/11/2002EP1264412A2 Complex signal decomposition and modeling
12/11/2002EP1264411A2 Transmitter architectures for communications systems
12/11/2002EP1264361A1 Delay equalization in wireless communication systems
12/11/2002EP1264193A1 Positioning
12/11/2002EP1264192A1 Position acquisition
12/11/2002EP0815509B1 Method and apparatus for data encoding and communication over noisy media
12/11/2002EP0712553B1 A method and apparatus for receiving and decoding communication signals in a cdma receiver
12/11/2002EP0650648B1 Dynamic control of transmitting power at a transmitter and attenuation at a receiver
12/11/2002CN2525741Y Two-way repeating repeater
12/11/2002CN2525740Y Hand held frequency extending radio station
12/11/2002CN2525739Y Frequency extension radio station carried by vehicle
12/11/2002CN2525738Y Portable radio MP3 receiving and broadcasting machine
12/11/2002CN2525735Y Power amplifier with data communication interface
12/11/2002CN2525732Y 数字功率放大器 Digital Power Amplifier
12/11/2002CN1385043A Method for measuring signal to interference plus noise ratio
12/11/2002CN1385013A TDD framing method for physical layer of wireless system
12/11/2002CN1385012A Method for synchronising uplink signal transmission in radio communication system
12/11/2002CN1385004A Method of carrying out uplink synchronization of signal transmission in radio communication system
12/11/2002CN1385003A Synchronous load doubler-charge pump with integrated in-phase regulator
12/11/2002CN1385002A Wide beamwidth antenna
12/11/2002CN1385000A Transceiver with local oscillator frequency settings using demodulated bit rate
12/11/2002CN1384999A Transmitter power amplifier ramping method
12/11/2002CN1384996A Adaptive linearization of power amplifiers
12/11/2002CN1384986A Semi built-in multi-band printed antenna
12/11/2002CN1384687A Regulator for controlling emitter power
12/11/2002CN1384682A Receiver for mobile communication system
12/11/2002CN1384680A Signal receiving method and device
12/11/2002CN1384679A Interference-eliminating baseband processing method based on intelligent antenna
12/11/2002CN1384654A Handset with detachable battery assembly
12/11/2002CN1384648A System and method for permitting IP mobile node to operate without seam in mobile IP network
12/11/2002CN1384637A Radio transmission device and receiving device and radio transmission method and receiving method
12/11/2002CN1384632A Communication message safety ensuring method and device for CDMA communication system
12/11/2002CN1384627A Channel estimation method for wide-band CDMA system
12/11/2002CN1384614A Method and device for generating bandspread code uisng hardware
12/11/2002CN1384612A Wide-band modem hybrid circuit
12/11/2002CN1384611A Foldable portable telephone set
12/11/2002CN1384610A Radio receiver
12/11/2002CN1384369A RF signal receiver with device to improve receiving dynamic state of signal
12/11/2002CN1096213C Small-region searching method and mobile station apparatus
12/11/2002CN1096209C Multi-model self-adaption telephone set
12/11/2002CN1096201C CDMA cellular radio transmission system using direct-spreading method of CDMA
12/11/2002CN1096162C Spectrum spread communication system
12/11/2002CN1096161C Method and apparatus for formatting of data for transmission
12/11/2002CN1096157C Multipath search processor for spread spectrum multiple access communication system
12/11/2002CN1096153C Radio receiver of suppressing damping-characteristic of low-frequency signals and method thereof
12/11/2002CN1096152C 瑞克接收机 Rake receiver
12/11/2002CN1096151C Output power level controllable transmitter and method of controlling output power level
12/11/2002CN1096150C Transmitter power varying device having bypass line for power amplifier
12/11/2002CN1096140C Power supply apparatus and method for mobile communication terminal
12/11/2002CN1096028C CDMA receiver
12/11/2002CN1095997C Signal-powered frequency-dividing transponder
12/10/2002US6493815 Interleaving/deinterleaving device and method for communication system
12/10/2002US6493688 Apparatus for receiving programs
12/10/2002US6493564 Power control method and system in mobile communication networks
12/10/2002US6493563 Method of controlling initial power ramp-up in CDMA systems by using short codes
12/10/2002US6493546 System for providing signals from an auxiliary audio source to a radio receiver using a wireless link
12/10/2002US6493544 FM signal quality detector during seek
12/10/2002US6493543 Multichannel amplification system using mask detection
12/10/2002US6493409 Phase detectors in carrier recovery for offset QAM and VSB
12/10/2002US6493405 Correlator having enhanced memory for reference and input data
12/10/2002US6493400 Harmonic cancellation system
12/10/2002US6493379 Arrival direction estimation method using an array antenna and DS-CDMA receiver unit using the method
12/10/2002US6493378 Methods and apparatuses for reducing multipath errors in the demodulation of pseudo-random coded signals
12/10/2002US6493377 Distributed network, spread-spectrum system
12/10/2002US6493376 Multi-layered PN code spreading in a multi-user communications system
12/10/2002US6493334 Spread spectrum time-division multiple access communication scheme
12/10/2002US6493333 Device and method for controlling transmission power of punctured frame
12/10/2002US6493330 CDMA cellular radio transmission system
12/10/2002US6493329 Adaptive channel estimation in a wireless communication system
12/10/2002US6493326 Method and apparatus for saving power during punctured transmission of mobile communications
12/10/2002US6493037 Television receiver
12/10/2002US6492958 Adaptive antenna reception apparatus
12/10/2002US6492941 Combined global positioning system receiver and radio
12/10/2002US6492927 Digital-signal receiving apparatus
12/10/2002US6492914 Filter-provided device
12/10/2002US6492909 Audio signal processing apparatus
12/10/2002US6492906 System and method using impulse radio technology to track and monitor people under house arrest
12/10/2002US6492883 Method of channel frequency allocation for RF and microwave duplexers
12/10/2002US6492872 High frequency power amplifying module and wireless communication apparatus
12/10/2002US6492192 Method of making a Schottky diode in an integrated circuit
12/10/2002US6491230 Contactless badge reader