Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
05/1997
05/02/1997EP0770289A2 A direct-sequence spread spectrum communication system, a primary radio station, and a secondary radio station
05/02/1997EP0770288A1 A method for rapid signal acquisition in a satellite communications system
05/02/1997EP0770287A1 Airborne radiotelephone communications system
05/02/1997EP0745248A4 Interactive control of remote equipment
05/02/1997EP0742909A4 Air traffic surveillance and communication system
05/02/1997EP0687388B1 Drive arrangement for mechanically-steered antennas
05/02/1997EP0573417B1 Shared-carrier frequency-hopping
05/02/1997EP0524184B1 Antenna diversity receiving system for eliminating reception interference in mobile television signal reception
05/02/1997EP0417099B1 Alternating sequential half duplex communication system
05/01/1997WO1997016044A1 Retransmission control method for cdma mobile communication
05/01/1997WO1997016000A1 Coexisting communication systems
05/01/1997WO1997015994A1 Method, device and communication network for avoiding collisions in radio communication
05/01/1997WO1997015992A1 Strato state platform and its use in communication
05/01/1997WO1997015991A1 Booster
05/01/1997WO1997015990A1 Method and apparatus for adaptive rf power control of cable access units
05/01/1997WO1997015985A1 Data transmission method, transmitter, and receiver
05/01/1997WO1997013333A3 Distributed circuit switched radiocommunications network
05/01/1997CA2235551A1 Coexisting communication systems
04/1997
04/30/1997DE19643675A1 Verfahren und Vorrichtungen zur auf Satellitenfunk gestützten Zeit- und/oder Ortsbestimmung Methods and apparatus for satellite-based radio time and / or location determination
04/30/1997CN1148919A Variable rate transmitting method, and transmitter and receiver using it
04/30/1997CN1148907A 天线系统 Antenna System
04/30/1997CN1148784A Wireless telephone system
04/30/1997CN1148781A Wide-zone beeping business treatment method for wireless beeping system
04/30/1997CN1148779A Interval-connection communication method
04/30/1997CN1148762A Moveable satellite communication terminal system
04/30/1997CN1148761A Data transmission method during speech sounds interval in synchronous communication system
04/30/1997CN1148760A Double-net diffraction passive relay communication system
04/30/1997CN1148758A Radio communication equipment using single frequency and method thereof
04/30/1997CN1148756A Method for controlling transmitting power of wireless transmitter
04/29/1997US5625893 Satellite communications system with receiver distortion correction which is controlled by up-link transmission equipment
04/29/1997US5625892 Dynamic power regulator for controlling memory power consumption
04/29/1997US5625881 Time and frequency diveristy in a radio system having intermittent operation receivers
04/29/1997US5625880 Spectrally efficient and high capacity acknowledgement radio paging system
04/29/1997US5625877 Wireless variable bandwidth air-link system
04/29/1997US5625876 Method and apparatus for performing handoff between sectors of a common base station
04/29/1997US5625874 Terminal station which does not cause an interruption of communication on changing of a communication system
04/29/1997US5625872 Method and system for delayed transmission of fast associated control channel messages on a voice channel
04/29/1997US5625869 System for preventing unauthorized use of a micro cellular system operating in coexistence with a cellular system
04/29/1997US5625868 Method and apparatus for load sharing in a satellite communication system
04/29/1997US5625867 Method of handing off traffic in a low orbit satellite communication system serving terminals and communication system using a method of this kind
04/29/1997US5625653 In a telecommunication system
04/29/1997US5625642 Spread-response precoding system having signature sequences longer than the inter-symbol time interval
04/29/1997US5625640 Apparatus for and method of broadcast satellite network return-link signal transmission
04/29/1997US5625639 Spread spectrum method for transmitting an information signal as a radio signal at a high speed
04/29/1997US5625628 In an integrated satellite network
04/29/1997US5625627 Mobile station apparatus and base station apparatus
04/29/1997US5625624 High data rate satellite communication system
04/29/1997US5625363 Paging/messaging system using GPS satellites
04/24/1997WO1997015168A2 A method for system registration and cell reselection
04/24/1997WO1997015164A2 Simplifying decoding of codewords in a wireless communication system
04/24/1997WO1997015159A2 Method and apparatus for wireless communication employing collector arrays
04/24/1997WO1997015156A1 A method for increasing throughput capacity in a communication system
04/24/1997WO1997015153A1 Registration control of mobile stations in a wireless communication system
04/24/1997WO1997015152A1 Pager operated emission/radio relay
04/24/1997WO1997015126A1 A method for compensating for time dispersion in a communication system
04/24/1997WO1997014977A1 Receiver for determining a position using satellite networks
04/24/1997WO1997003501A3 Dual mode satellite/cellular terminal
04/24/1997DE19641084A1 Verfahren, Vorrichtung und Kommunikationsnetzwerk zum Vermeiden von Kollisionen bei Funkkommunikation A method, apparatus and communication network for avoiding collisions in radio communication
04/24/1997DE19616829C1 Radio transfer system for digital signals between several subscriber terminals and base station
04/24/1997DE19545762C1 Operating condition detection system for cordless mobile telephone
04/24/1997DE19539259A1 Radio transmission system
04/24/1997CA2234623A1 Method and apparatus for wireless communication employing collector arrays
04/23/1997EP0769885A1 Mobile communication system and its base-station device
04/23/1997EP0769857A2 Integrated cellular communications system
04/23/1997EP0769856A2 Method and device for an errorfree satellite relay hop
04/23/1997EP0769236A1 Cellular communications network
04/23/1997EP0692163B1 Radio repeater
04/23/1997EP0556361B1 Data signal multiplexing method and device
04/23/1997CN1148452A Method and apparatus for signal acquisition and channel estimation using multiple antennas
04/23/1997CN1148450A Synchronizing mobile station transmission
04/23/1997CN1148444A Radio transmission system and a radio apparatus for use in such system
04/23/1997CN1148314A sound volume setting device for portable telephone
04/23/1997CN1148313A Method for executing automatic calling
04/23/1997CN1148312A Under-ground and obove-ground
04/23/1997CN1148300A System and methods of supporting connection-oriented services in network with changing topology
04/23/1997CN1148296A Independent satellite-based comunications systems sharing common frequency spectrum and method of operation thereof
04/23/1997CN1148295A Train radio system and mobile station therefor
04/22/1997US5623487 Doubly orthogonal code and frequency division multiple access communication system
04/22/1997US5623486 Transmission power control method and apparatus for mobile communications using a CDMA (code division multiple access) system
04/22/1997US5623485 Dual mode code division multiple access communication system and method
04/22/1997US5623484 Method and apparatus for controlling signal quality in a CDMA cellular telecommunications
04/22/1997US5623429 Techniques for expeditiously predicting electromagnetic wave propagation
04/22/1997US5623318 Ghost cancelling method and apparatus using canonical signed digit codes
04/22/1997US5623269 Mobile communication satellite payload
04/22/1997CA2102504C A method for eliminating acoustic echo in a communication device
04/22/1997CA2068254C Mobile telephone device wherein an adder supplies a sum of audio and out-of audio band signals to a compressor circuit
04/22/1997CA2031437C Power amplifying unit using a power amplifying module
04/17/1997WO1997014192A1 Very small aperture terminal and antenna for use therein
04/17/1997WO1997014049A2 Gps receiver and method for processing gps signals
04/17/1997DE19630048C1 Operating method for TDMA radio communication system
04/17/1997CA2667775A1 Gps receiver and method for processing gps signals
04/16/1997EP0768804A2 Mobile communication system capable of effectively carrying out a hand-over control
04/16/1997EP0768797A2 Satellite videocommunications system
04/16/1997EP0768777A2 Method and apparatus for restoration of an ATM network
04/16/1997EP0768764A2 Circuit for controlling antenna diversity for associated radio apparatus
04/16/1997EP0768583A2 A method and apparatus for generating a clock signal which is compensated for a clock rate deviation therefor
04/16/1997EP0767995A1 Method and apparatus for signal acquisition and channel estimation using multiple antennas
04/16/1997EP0767994A1 Adaptive sectorization in a spread spectrum communication system
04/16/1997EP0767993A1 Spread-spectrum changeable base station
04/16/1997EP0767992A2 Radiocommunication system using geostationary and non-geostationary satellites