Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
09/1997
09/17/1997CN1159722A Double-sound multi-frequency for lower chainchannel of honeycomb/mobile/PCS telephone system
09/17/1997CN1159721A Channel scanning device and method
09/17/1997CN1159720A Method and device for controlling transmission power in honeycomb shape mobile telephone system
09/17/1997CN1035916C Digital radio receiver
09/16/1997US5669066 Dynamic control of transmitting power at a transmitter and attenuation at a receiver
09/16/1997US5669064 Mobile method and apparatus for standby control in a communication system
09/16/1997US5669062 Methods of demand-based adaptive channel reuse for telecommunications systems
09/16/1997US5669061 Automatic cellular phone tracking
09/16/1997US5668839 IF signal combiner for minimizing the BER in a space or angle diversity digital radio receiver
09/16/1997US5668837 Dual-mode radio receiver for receiving narrowband and wideband signals
09/16/1997US5668833 Decision-feedback type equalizer
09/16/1997US5668829 Spread spectrum communication apparatus
09/16/1997US5668813 Dynamic synchronization code detection window
09/16/1997US5668804 For a digital time division multiple access radio network
09/16/1997US5668556 Low-orbit satellite communications system for terminals
09/16/1997US5668462 Method and apparatus for controlling a charging current of a battery in a portable chargeable electronic unit
09/16/1997CA2099739C Small wireless telecommunications system
09/16/1997CA2089370C Variable speaker muting based on received data
09/16/1997CA2089360C Power control circuitry for a tdma radio frequency transmitter
09/14/1997CA2200096A1 Apparatus for reducing transmission capacity
09/13/1997CA2199797A1 Data transmitter-receiver
09/12/1997WO1997033447A1 Method and system for testing the condition of a subscriber station in a radio system
09/12/1997WO1997033446A1 Remote test of a wireless subscriber connection
09/12/1997WO1997033442A1 Digital diversity receiver system
09/12/1997WO1997033423A1 Subscriber unit and delivery system for wireless information retrieval
09/12/1997WO1997033400A1 Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system
09/12/1997WO1997033397A1 Method and apparatus for command and control of remote systems using low earth orbit satellite communications
09/12/1997WO1997033393A1 Communication system and operating method thereof
09/12/1997WO1997033388A1 Distributed microcellular communications system
09/12/1997WO1997033387A1 Data relay transmitter, data transmission system, and data transmitting method
09/12/1997WO1997033385A1 Process and design for improving the utilization rate of telecommunications channels in locally concentrated, asynchronous wireless telecommunications systems
09/12/1997WO1997033384A1 Cellular phone adaptor
09/12/1997WO1997033383A1 A random access scheme for mobile satellite communications
09/12/1997WO1997033382A1 An improved gps receiver utilizing a communication link
09/12/1997WO1997033381A1 A method and device for monitoring a mobile telephone repeater
09/12/1997WO1997024884A3 Time compressing transponder
09/12/1997WO1997021286A3 System for automatic establishment of a radio link for data transmission between two or more transmitter-receiver stations
09/12/1997CA2248361A1 Cellular phone adaptor
09/12/1997CA2248151A1 Method and system for testing the condition of a subscriber station in a radio system
09/12/1997CA2248146A1 Remote test of a wireless subscriber connection
09/12/1997CA2247960A1 Method and arrangement for improving the degree of utilization of telecommunication channels in locally concentrated, asynchronous, wireless telecommunication systems
09/11/1997DE19708996A1 Radio communications apparatus with combination diversity
09/11/1997DE19608204A1 Information transmission in cellular mobile network
09/10/1997EP0794632A2 Receiver using antenna diversity and error detection for reception of packets transmitted over a wireless communication medium
09/10/1997EP0794627A2 Spread spectrum communication apparatus
09/10/1997EP0794485A1 Method and device for bit pattern detection
09/10/1997EP0793895A2 Pilot signal searching technique for a cellular communications system
09/10/1997EP0793882A1 Cradle for mobile telephone or other electrical device
09/10/1997EP0793877A1 A method and means for frequency hopping in a radio communication system
09/10/1997EP0793797A1 An electronic shooting game apparatus
09/10/1997EP0667089B1 Arrangement for controlling a transmitter-receiver pair, in particular base stations and mobile units of a cordless telephone system
09/10/1997EP0561880B1 Tdma ranging
09/10/1997CN1159278A Antenna and feeder cable tester
09/10/1997CN1159263A Apparatus and method for synchronizing base sites individually in communication system
09/10/1997CN1159262A Method for interference cancellation in cellular CDMA network
09/10/1997CN1159261A Reception method and base station receiver
09/10/1997CN1159130A Apparatus informing meseage received for portable wireless telephone
09/10/1997CN1159114A Wireless telecommunication system using frequency hopping and method of controlling same
09/10/1997CN1035854C Method and apparatus for equalizing corrupted signal in receiver
09/09/1997US5666656 Selecting which main base station for an infill base station to monitor in a mobile radio system
09/09/1997US5666654 Method of channel allocation in a mobile telephone system
09/09/1997US5666649 Communications system having variable system performance capability
09/09/1997US5666648 Polar relay system for satellite communication
09/09/1997US5666647 Remote position determination
09/09/1997US5666366 Inter-base synchronization technique for a TDMA communication system
09/09/1997US5666355 Power consumption control method and apparatus for a communication system subscriber unit
09/09/1997US5666170 Apparatus for decoding video signals encoded in different formats
09/09/1997US5666123 Base station antenna arrangement
09/09/1997US5666122 Method for rapid signal acquisition in a satellite communications system
09/09/1997CA2199444A1 A procedure and an arrangement for improved digital radio communications in a satellite-supported vsat network
09/09/1997CA2073082C Fractionally spaced cross-polarization interference canceller
09/09/1997CA2063421C Synchronization and equalization in a tdma cellular system
09/05/1997CA2199113A1 Apparatus for remotely controlling auxiliary doorbell chime
09/04/1997WO1997032446A1 Apparatus and method for mitigating excess time delay in a wireless communication system
09/04/1997WO1997032439A2 A communication network terminal supporting a plurality of applications
09/04/1997WO1997032426A1 A method and arrangement relating to mobile telephone terminals
09/04/1997WO1997032413A1 Multiple access communications system and method using code and time division
09/04/1997WO1997032412A1 Subtractive multicarrier cdma access methods and systems
09/04/1997WO1997032406A2 Method for controlling a base station, and a base station
09/04/1997WO1997032405A1 Interference cancellation system for global positioning satellite receivers
09/04/1997WO1997032404A1 Apparatus and method for digitizing and detecting a received radio frequency signal
09/04/1997WO1997032403A1 Dual-mode radio receiver for receiving narrowband and wideband signals
09/04/1997WO1997026716A3 A method for controlling transmitting power and a radio system
09/04/1997WO1997023105A3 Process for transmitting data in a universal transmission system
09/04/1997CA2247911A1 Dual-mode radio receiver for receiving narrowband and wideband signals
09/03/1997EP0793395A2 Radio telephone apparatus
09/03/1997EP0793394A2 Method of supplementary services management in a mobile communications network
09/03/1997EP0793360A2 Antenna array with processing delay as a multiple of the time slot duration
09/03/1997EP0793359A2 Method and apparatus for block decision feedback equalisation using a Cholesky algorithm
09/03/1997EP0793358A2 Output power control device
09/03/1997EP0793190A1 Card reader for portable telephone and portable telephone incorporating the same
09/03/1997EP0793189A1 Chip card reader for cards with a different format and portable telephone incorporating this reader
09/03/1997EP0792564A1 Dynamic channel allocation for sectorized radio access units of a mobile communication system
09/03/1997EP0792563A1 Method and arrangement in a mobile unit
09/03/1997EP0792543A1 Mobile satellite communications system with local and global network
09/03/1997EP0792436A1 Communication in an electronic shooting game
09/03/1997EP0707762B1 Mobile radio aerial installation
09/03/1997EP0695484A4 Time alignment in a cdma system
09/03/1997EP0514470B1 Multiple frequency scanning in a selective call communication system
09/03/1997CN2261705Y 无线电话转接器 Wireless telephone adapter