Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
05/2002
05/08/2002CN1084572C Hard-handoff control method for CDMA (code division multiple access) mobile switching center
05/08/2002CN1084570C Concentrated subscriber system for wireless local loop
05/08/2002CN1084569C Selector and multiple vocoder interface apparatus in mobile communication system and method thereof
05/08/2002CN1084556C 通信方法 Communication method
05/08/2002CN1084555C Repeater
05/08/2002CN1084554C Remote transmitter power control in CDMA communication system
05/08/2002CN1084551C Portabele radio unit with display screen
05/07/2002US6385647 System for selectively routing data via either a network that supports Internet protocol or via satellite transmission network based on size of the data
05/07/2002US6385513 Satellite emergency voice/data downlink
05/07/2002US6385467 Circuit and method for notifying ringer failure
05/07/2002US6385464 Base station for mobile communication system
05/07/2002US6385462 Method and system for criterion based adaptive power allocation in a communication system with selective determination of modulation and coding
05/07/2002US6385457 Method and arrangement relating to radio communications systems
05/07/2002US6385456 Method and system of transmitting data in a cellular radio system
05/07/2002US6385447 Signaling maintenance for discontinuous information communications
05/07/2002US6385437 Power control apparatus and method for inter-frequency handoff in CDMA communication system
05/07/2002US6385435 Coupled interference concellation system for wideband repeaters in a cellular system
05/07/2002US6385264 Method and apparatus for mitigating interference between base stations in a wideband CDMA system
05/07/2002US6385254 Transmission method and radio system
05/07/2002US6385233 Unbalanced quadrature waveform
05/07/2002US6385188 Method for sharing channels between base station sectors and frequency assignments in code division multiple access system
05/07/2002US6385187 Device and method for generating spread spectrum signal using pseudo-orthogonal code in CDMA mobile communications system
05/07/2002US6385186 Down-traffic-signal transmission system
05/07/2002US6385184 Base station apparatus and transmission power control method
05/07/2002US6385183 CDMA power control system
05/07/2002US6385182 Mobile-station transmitter/receiver
05/07/2002US6385181 Array antenna system of wireless base station
05/07/2002US6385180 High-speed cell search system for CDMA
05/07/2002US6384789 Apparatus for testing mobile telephones
05/07/2002US6384784 Direction finder system using spread spectrum techniques
05/07/2002US6384779 Method for improving tracking speed of satellite antenna
05/07/2002US6383075 Portable wireless network game apparatus and method thereof
05/07/2002CA2250427C Method and system for reducing multipath fading in bent-pipe satellite communications systems
05/07/2002CA2121448C Antenna switched diversity receiver
05/02/2002WO2002035857A1 Multiple access network and method for digital radio systems
05/02/2002WO2002035812A1 Mobile communication system and terminal with means for displaying multislot transmission
05/02/2002WO2002035802A2 Cellular phone that exposes the user's brain to much less microwave radiation than ordinary cellular phones with the help of a proxy (intermediary) device
05/02/2002WO2002035790A1 Method for transferring a mobile communication session
05/02/2002WO2002035786A1 Devices for identifying an interfering signal of a radio signal with substantially constant module
05/02/2002WO2002035779A2 Method for forwarding in multihop networks
05/02/2002WO2002035773A1 Information processing method and information processing apparatus having communication function
05/02/2002WO2002035772A1 Radio communication terminal, radio communication method, and program
05/02/2002WO2002035745A1 Pn code acquisition with adaptive antenna array
05/02/2002WO2002035738A1 Handover method for mobile station having mobile ip address in mobile communication system
05/02/2002WO2002035737A1 System for radio communications to be made for respective particular groups
05/02/2002WO2002035736A1 Radio communication apparatus, radio communication system and communication apparatus
05/02/2002WO2002035735A2 Shared channel structure, arq systems and methods
05/02/2002WO2002035734A1 Apparatus and method for acquiring synchronization
05/02/2002WO2002035733A1 Method for building up a wireless system for accessing communication networks
05/02/2002WO2002035732A1 Selectively activated agc signal measurement unit
05/02/2002WO2002035731A1 Power level convergence in a radio communications system
05/02/2002WO2002035730A2 Method and apparatus for transmitter power control
05/02/2002WO2002035729A2 Method and apparatus for space division multiple access receiver
05/02/2002WO2002035728A2 Equalisation using two training sequences
05/02/2002WO2002035720A1 A method of framing pilot and traffic signals in the cdma system and data frame thereof
05/02/2002WO2002035714A2 Use of common waveform in forward and reverse channels and subscriber station as base station
05/02/2002WO2002035709A2 Apparatus, and associated method, for forming a signal exhibiting space-time redundancy
05/02/2002WO2002035648A1 Array antenna receiving apparatus and method for calibrating the same
05/02/2002WO2002017511A3 Method for the communication of information and apparatus employing the method
05/02/2002WO2002017510A3 Method for rapid power regulation in upward channels in packet-oriented mobile radio systems and corresponding communication system network devices
05/02/2002WO2002013556A3 Mobile micro portal
05/02/2002WO2002013415A3 Wireless network
05/02/2002WO2002013408A3 Method for conducting data communications with subscriber stations, and radio communications network for implementing said method
05/02/2002WO2002011317A8 A tdd framing method for physical layer of a wireless system
05/02/2002WO2002009298A3 Wireless interactive system and method
05/02/2002WO2002005435A3 Short messaging using information beacons
05/02/2002WO2002001750A3 Doppler correction for airborne cellular system
05/02/2002WO2001097474A3 Adaptive precoding
05/02/2002WO2001097402A3 Method for regulating power and for channel allocation in downlink and/or uplink connections of packet data services in a radio communications system, and radio communications system for carrying out said method
05/02/2002WO2001093455A8 Power control method during call establishment in a radio communications system
05/02/2002WO2001077877A3 In-flight e-mail system
05/02/2002WO2001071928A3 High efficiency, high performance communications system employing multi-carrier modulation
05/02/2002WO2001067621A3 Transmitter architectures for communications systems
05/02/2002WO2001065867A3 Mobile communication terminal and car mounted electronic device
05/02/2002WO2001058758A3 Remotely piloted aircraft
05/02/2002WO2001058757A3 Communications system using high altitude, long endurance aircraft as relays
05/02/2002WO2001052447A3 Repeaters for wireless communication systems
05/02/2002WO2001047126A3 Mobile station with two transceivers and inter-frequency method
05/02/2002US20020053060 Data transmission system, equipment suitable for such a system and data transmission method
05/02/2002US20020052969 Internet system capable of automatically selecting suitable channels
05/02/2002US20020052227 Portable telephone terminal and power supply method
05/02/2002US20020052226 Portable information terminal device
05/02/2002US20020052223 Radio telephone apparatus and method for controlling the number of display colors thereof
05/02/2002US20020052215 Method and device for control of the transmission power of a cellular mobile telephone
05/02/2002US20020052214 Controller for maintaining user information in a group communication network
05/02/2002US20020052210 Mobile radio terminal and its moving speed detecting method
05/02/2002US20020052188 System and method to use a wired network to extend radio coverage of a wireless network
05/02/2002US20020052184 Avoidance of interference between items of electrical apparatus
05/02/2002US20020052183 Communication system
05/02/2002US20020052180 System and method for mobility management for a satellite based packet data system
05/02/2002US20020051502 Low-power programmable digital filter
05/02/2002US20020051487 Adaptive equalization apparatus and method
05/02/2002US20020051485 Method and apparatus for interference cancellation in a rake receiver
05/02/2002US20020051482 Median weighted tracking for spread-spectrum communications
05/02/2002US20020051442 Method of transmitting/receiving broadcast message in mobile communication system
05/02/2002US20020051439 Radio communication apparatus and radio communication method
05/02/2002US20020051438 Spread spectrum communication device and spread spectrum communication method
05/02/2002US20020051437 Radio communication system and base station employing CDMA
05/02/2002US20020051436 Use of wide element spacing to improve the flexibility of a circular basestation antenna array in a space division/multiple access synchronous CDMA communication system
05/02/2002US20020051435 Two-dimensional channel bonding in a hybrid CDMA/FDMA fixed wireless access system to provide finely variable rate channels