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)
02/2003
02/12/2003CN1397119A OFDM communication apparatus and OFDM communication method
02/12/2003CN1397112A Radio infrared apparatus
02/12/2003CN1397109A Architecture of base station of radio communications system
02/12/2003CN1397108A DC-offset correction circuit having DC control loop and DC blocking circuit
02/12/2003CN1396772A Mobile phone for TV. teleconference
02/12/2003CN1396754A Replaceable sliding cover component of folding apparatus for folding mobile phone
02/12/2003CN1396740A CDMA receiver, CDMA receiving method and its program
02/12/2003CN1396733A Method for emitting diversity code via common pilot channel
02/12/2003CN1396732A Frequency discrimination method and device for automatic frequency controller in diversity mode
02/12/2003CN1396721A Method and device for raising noise immunity of receiver
02/12/2003CN1396715A Charging circuit and/or discharge circuit and carrier detection circuit using them
02/12/2003CN1396714A Signal receiving device and method for used with time-varying channel
02/12/2003CN1396713A Emitter for remote-controlled operation system
02/12/2003CN1396436A Portable electronic equipment with bearing measurement and its magnetic sensor, bearing measuring method
02/12/2003CN1101638C Method for transmitting multiresolution audio signals in radio frequency communication system
02/12/2003CN1101625C Method for receiving signal at receiver
02/12/2003CN1101620C Radio equipment with improved recetion
02/12/2003CN1101170C Physiological signal processing apparatus and physiological monitor
02/11/2003US6519706 DSP control apparatus and method for reducing power consumption
02/11/2003US6519474 Subscriber unit for controlling initial power ramp-up using short codes
02/11/2003US6519473 Forward link power control device and methods for a mobile communication system supporting transmission diversity
02/11/2003US6519467 Methods and apparatus for control of frequency hopping in an analog cordless telephone
02/11/2003US6519464 Use of third party ultra wideband devices to establish geo-positional data
02/11/2003US6519460 Resource management in uncoordinated frequency hopping system
02/11/2003US6519451 Receiving method and receiving apparatus
02/11/2003US6519450 Radio broadcasting receiver
02/11/2003US6519352 Encoding and decoding in accordance with steganographically-conveyed data
02/11/2003US6519305 Frequency converter arrangement
02/11/2003US6519300 System and method for automatic frequency correction in a pilot symbol assisted demodulator
02/11/2003US6519292 Transmission method, transmitter and receiver
02/11/2003US6519290 Integrated radio frequency interface
02/11/2003US6519286 Method and apparatus for decoding a stream of data
02/11/2003US6519278 Transmitting/receiving apparatus using a plurality of spreading codes
02/11/2003US6519276 Sequential path searching method in a mobile telecommunication system having a variable data rate transmission environment
02/11/2003US6519275 Communications system employing differential orthogonal modulation
02/11/2003US6519244 CDMA transmitter capable of reducing transmission power
02/11/2003US6519238 Transmission apparatus and base station apparatus using the same
02/11/2003US6519237 Apparatus and method for parallel searching and correlating for CDMA system
02/11/2003US6519236 Automatic power control in uncoordinated frequency-hopping radio systems
02/11/2003US6519227 W-CDMA analyzing apparatus, method of displaying results of W-CDMA analysis, and recording medium carrying record of program for displaying results of W-CDMA analysis
02/11/2003US6518927 PC card for electronic devices
02/11/2003US6518922 Antenna arrangement and radio device
02/11/2003US6518859 Frequency controlled filter for the UHF band
02/11/2003US6518858 Resonator, filter, duplexer, and communication apparatus
02/11/2003US6518855 Integrated circuit for mobile radio and mobile telephone installations
02/11/2003US6518852 Information signal compressor and expander
02/11/2003US6518822 High-frequency switch
02/11/2003CA2250245C Antenna assembly for radiotelephonic device
02/11/2003CA2246535C Multiple access communications system and method using code and time division
02/06/2003WO2003010979A2 Method for determining whether to perform link adaptation in wcdma communications
02/06/2003WO2003010943A2 Hands-free mobile phone kit
02/06/2003WO2003010942A2 System and method for improved security in a handset reprovisioning and reprogramming
02/06/2003WO2003010932A2 System and method for peer-to-peer handset communication
02/06/2003WO2003010929A1 Method and system for transmitting data from a first data network into a second data network
02/06/2003WO2003010915A1 Network system and ouput device used in this system
02/06/2003WO2003010914A2 Method and apparatus of avoiding zero crossings in quadrature modulation by adding an offset
02/06/2003WO2003010897A1 Direct-path-signal detection apparatus and associated methods
02/06/2003WO2003010894A1 Feeble signal extracting circuit
02/06/2003WO2003010890A1 Receiver and its front-end circuit
02/06/2003WO2003010821A1 Semiconductor integrated circuit
02/06/2003WO2003010752A1 Speech bandwidth extension apparatus and speech bandwidth extension method
02/06/2003WO2003010751A2 Apparatus for establishing signal coupling between a signal line and an antenna structure
02/06/2003WO2003010668A2 System and method for field diagnosis of wireless communications device system software
02/06/2003WO2003010664A2 System and method for updating persistent data in a wireless communications device
02/06/2003WO2003010663A2 System and method for the management of wireless communications device system software downloads in the field
02/06/2003WO2003010662A2 System and method for field downloading a wireless communication device software code section
02/06/2003WO2003010658A2 System and method for organizing field upgradable wireless communication device software
02/06/2003WO2003010656A2 System and method for executing update instructions on a wireless communications device
02/06/2003WO2003010553A2 First-arriving-pulse detection apparatus and associated methods
02/06/2003WO2002093772A3 Processing a spread spectrum signal
02/06/2003WO2002091104A3 Self-correlation detection and in-band and out-of-band signal detection for automatic gain calibration systems
02/06/2003WO2002049231A3 Method and apparatus for code assignment in a spread spectrum wireless communication system
02/06/2003WO2002049221A3 Method and apparatus for a waveform quality measurement_____
02/06/2003WO2002041651A3 Methods and apparatus for identifying asset location in mobile co mmunication networks
02/06/2003WO2002031995A3 Method and apparatus for subtracting multiple rays of multiple interfering received signals
02/06/2003WO2001035564A3 Methods and apparatus for reducing synchronization code interference in cdma communications systems
02/06/2003US20030028875 Television access control system
02/06/2003US20030028829 Remote monitoring of computer devices
02/06/2003US20030028826 System and method for developing customized integration tests and network peripheral device evaluations
02/06/2003US20030028659 Low power scheduling for multimedia systems
02/06/2003US20030028312 Road traffic information output apparatus
02/06/2003US20030027609 Cellular phone
02/06/2003US20030027598 Method and apparatus for signal equalization in a communication system with multiple receiver antennas
02/06/2003US20030027596 Receiving apparatus
02/06/2003US20030027590 Mobile radio terminal device
02/06/2003US20030027589 Mobile telephone and method for its manufacture
02/06/2003US20030027587 System and method for coordination of wireless maintenance channel power control
02/06/2003US20030027586 Wireless communication network with tracking dish antenna
02/06/2003US20030027545 Electronic apparatus, drive mechanism and drive control method for a front panel
02/06/2003US20030027543 Direct conversion receiver
02/06/2003US20030027541 System and method for radio signal reconstruction using signal processor
02/06/2003US20030027539 Directional coupler, high frequency circuit module and wireless communication system
02/06/2003US20030027538 Receiving apparatus and a receiver system having the receiving apparatus
02/06/2003US20030027536 Signal correction method and receiver
02/06/2003US20030027534 Programmable if bandwidth using fixed bandwidth filters
02/06/2003US20030027533 Multi-band radio terminal apparatus
02/06/2003US20030027532 Miniaturized transmitter-receiver unit
02/06/2003US20030027531 Wireless communications system having variable gain mixer
02/06/2003US20030027530 Highly integrated planar stacked millimeter wave transceiver
02/06/2003US20030027518 Remote control transceiver and data communication system using the same