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)
04/2004
04/08/2004US20040066840 Noise shaping technique for spread spectrum communications
04/08/2004US20040066838 MC/MC-DS dual-mode adaptive multi-carrier code division multiple access (CDMA) apparatus and method thereof
04/08/2004US20040066800 Enhanced channel parameter estimation in the presence of preamble erasures
04/08/2004US20040066772 Power control device and method for controlling a reverse link common channel in a CDMA communication system
04/08/2004US20040066766 Scheduling techniques for a packet-access network
04/08/2004US20040066744 Method for managing processing resoources in a mobile radiocommunication system
04/08/2004US20040066341 Antenna for communication terminal apparatus
04/08/2004US20040066337 Antenna apparatus and communication apparatus using the same
04/08/2004US20040066332 Method for measuring distance and position using spread spectrum signal, and an equipment using the method
04/08/2004US20040066237 Amplifier circuit for AM broadcasting
04/08/2004US20040066227 Circuit configuration for demodulating a voltage which is ASK modulated by altering the amplitude between a low level and a high level
04/08/2004US20040065733 RFID tag and method for processing RFID data
04/08/2004DE202004000235U1 Multimedia-Abspielgerät mit einer schwenkbaren Anzeige Multimedia player with a swiveling display
04/08/2004DE10316064A1 Verfahren und Vorrichtung zur Codegruppenidentifikation Method and apparatus for code group identification
04/08/2004DE10304572A1 Selecting discrete signals from mixture involves filtering sub-regions in separate elements in respect of time, spatial or spectral characteristics, combining sub-regions with definable priorities
04/08/2004DE10005605B4 Analoge Vorstufe Analog precursor
04/08/2004CA2500038A1 Multimode phone including two wireless modems and a modem processor
04/08/2004CA2500004A1 System and method for using keystroke data to configure a remote control device
04/08/2004CA2499618A1 Method for the transmission of data telegrams in a switched cyclical communication system
04/07/2004EP1406456A2 Electronic apparatus
04/07/2004EP1406404A1 Orthogonal frequency division multiple signal reception apparatus, reception apparatus, orthogonal frequency division multiple signal reception method, and reception method
04/07/2004EP1406396A1 Receiving apparatus
04/07/2004EP1406395A2 Apparatus and method for canceling interference signals in a receiver for a packet data communication system
04/07/2004EP1406394A1 Device for receiving a sim card
04/07/2004EP1406393A1 ON−VEHICLE AUDIO SYSTEM
04/07/2004EP1406341A1 Waveguide input apparatus of two orthogonally polarized waves including two probes attached to a common board
04/07/2004EP1406224A2 Method and apparatus for remote control of an audio source such as a wireless microphone system
04/07/2004EP1406204A2 Card holder for cellular phone
04/07/2004EP1406158A2 Portable electronic equipment
04/07/2004EP1405522A1 A digital television (dtv) transmission system using enhanced coding schemes
04/07/2004EP1405479A1 Iq-imbalance
04/07/2004EP1405431A1 Acquisition of a gated pilot in a cdma system
04/07/2004EP1405430A2 Method and apparatus for computing signal correlation at multiple resolutions
04/07/2004EP1405429A1 Radio communication system
04/07/2004EP1405428A2 Radio receiver and channel estimator
04/07/2004EP1405427A1 System and method for post filtering peak power reduction in communications systems
04/07/2004EP1405426A1 Macroblock mode decision biasing for video compression systems
04/07/2004EP1405424A1 Narrowband speech signal transmission system with perceptual low-frequency enhancement
04/07/2004EP1405423A1 Reducing effects of self-created interference on broadband reception
04/07/2004EP1405422A2 Method for the optimised use of sctp (stream control transmission protocol) in mpls (multi protocol label switching) networks
04/07/2004EP1405420A2 System and method for code division multiple access communication in a wireless communication environment
04/07/2004EP1405405A2 Method for adjusting the amplification of a high frequency signal
04/07/2004EP1405399A2 Receiver device comprising an alternating current coupling
04/07/2004EP1405365A2 Apparatus and method for minimizing multipath interference
04/07/2004EP1405298A2 System for disposing a proximity sensitive touchpad behind a mobile phone keymat
04/07/2004EP1405155A1 Enclosure with pass-through shock-absorbing ribs
04/07/2004EP1405086A1 Power detection circuit for use in a power amplifier
04/07/2004EP1404175A2 System and method for received signal prediction in wireless communications system
04/07/2004EP1316147B1 Method and device for converting a scanning frequency in multistandard systems
04/07/2004EP1121068A4 An apparatus and method for performing a signal search in a coherent wireless communication system
04/07/2004EP1068688A4 Method and apparatus for joint detection of data in a direct sequence spread spectrum communications system
04/07/2004EP1020041B1 Method and apparatus for increasing receiver immunity to interference
04/07/2004EP0997007A4 Method and apparatus for external band selection of a digital microwave radio
04/07/2004EP0979558B1 A method and apparatus for interfacing an electronic device with an external accessory
04/07/2004EP0890225B1 Method of generating a carrier wave of common channels and dedicated channels, and a radio system
04/07/2004EP0878061B1 Receiving method, and receiver
04/07/2004EP0799530B1 Dual-mode fm/cdma communication system
04/07/2004EP0792542B1 Full-duplex radio transmitter/receiver
04/07/2004EP0749656B1 Portable communication device
04/07/2004CN2610590Y Portable charge mobile phone
04/07/2004CN2610572Y Frequency modulation user set-top box
04/07/2004CN2610568Y Device for preventing load mismatch for radio transmitting apparatus
04/07/2004CN2610567Y DVD player with wireless earphone transmitting device
04/07/2004CN2610566Y Case for communication equipment
04/07/2004CN1488219A Compensation method for a transceiver using two-point modulation
04/07/2004CN1488211A Estimation of traffic-to-pilot ratios
04/07/2004CN1488209A Multi-pass interference removal apparatus and multi-pass interference removal method
04/07/2004CN1488206A Method and device for controlling up link transmission power in code division multiple access mobile communication system
04/07/2004CN1488205A Radio reception apparatus and directivity reception method
04/07/2004CN1488202A Method for power control for mixed voice and data transmission
04/07/2004CN1488201A Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier
04/07/2004CN1488200A Frequency schema for data transmission systems
04/07/2004CN1488199A A method of quadrature spreading
04/07/2004CN1488198A Method and apparatus for code assignment in a spread spectrum wireless communication system
04/07/2004CN1488190A High frequency power amplifier and power amplifier module utilizing the same
04/07/2004CN1487767A 移动通信终端 The mobile communication terminal
04/07/2004CN1487759A 发送机 Transmitter
04/07/2004CN1487757A Multi-wave band radio-frequency receiving method and equipment in mobile communication system
04/07/2004CN1487746A Method and equipment for coding or decoding audio signal
04/07/2004CN1487710A Communication system, communication apparatus and communication controlling method
04/07/2004CN1487709A Data receiving apparatus
04/07/2004CN1487688A Apparatus and method for increasing channel capacity of mobile communication system
04/07/2004CN1487687A Slicer circuit and CDMA (code division multiple access) communication apparatus
04/07/2004CN1487686A Method and equipment for predicting signalling code corresponding to code hump
04/07/2004CN1487674A Radio video-audio transceiving system
04/07/2004CN1487390A Electric source management method and equipment for radio local area network module in computer system
04/07/2004CN1487306A GPS receiver and method for processing GPS signals
04/07/2004CN1145404C Radio communication system with random access requests composed of multi-access packets
04/07/2004CN1145401C Retransmission control method and apparatus for CDMA mobile communication
04/07/2004CN1145399C CDMA connection mode mobile communication system
04/07/2004CN1145394C Radio positioning mobile telephone apparatus
04/07/2004CN1145393C Wrist-wearing radio telephone
04/07/2004CN1145392C Power supply method and device for mobile telephone
04/07/2004CN1145389C Wireless telephone transmitter/receiver
04/07/2004CN1145388C Signal processing method for radio communication, radio receiver and transmitting machine
04/07/2004CN1145384C Array transmitting method and equipment for broad-band radio communication system
04/07/2004CN1145379C Method and device for amplifying transmission power
04/07/2004CN1145377C Method for regulating signal synchronization in synchronous wire less communication system
04/07/2004CN1145376C Method for regulating signal synch-nonization in synchronous wireless communiation system
04/07/2004CN1145374C Signal/interference ratio measuring method