Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
03/1996
03/20/1996EP0398911B1 Trunked communication system with nationwide roaming capability
03/20/1996CN1119061A A method and apparatus for testing a base station in a time division multiple access radio communications system
03/20/1996CN1119057A Dual distributed antenna system
03/20/1996CN1118975A Fixed cellular communications system object of the invention
03/20/1996CN1118957A Communication apparatus for TDMA system
03/20/1996CN1118956A Communication system with link margin control and method
03/19/1996US5500878 Automatic frequency control apparatus and method therefor
03/19/1996CA2065331C Battery saver for a tdm system
03/15/1996CA2143373A1 Data communication system with time synchronization
03/14/1996WO1996008119A2 Method and device at cellular telecommunication system
03/14/1996WO1996008089A1 A method for improving connection quality in a cellular radio system and a receiver unit
03/14/1996WO1996008088A1 Diversity receiver with combiner for equalization and diversity transmitter with splitter and delay
03/14/1996WO1996008080A1 Spread spectrum radiotelephone having adaptive transmitter gain control
03/14/1996CA2199482A1 Spread spectrum radiotelephone having adaptive transmitter gain control
03/14/1996CA2174761A1 Radio antenna arrangement
03/13/1996EP0701345A2 Multicarrier transmission using differential phases
03/13/1996EP0701337A2 Mobile communication system using various multiple access methods
03/13/1996EP0701336A2 Wireless communication system and station for use therein
03/13/1996EP0701335A2 Wireless communication system and station for use therein
03/13/1996EP0701334A2 Method and device to measure the impulse response of a radio channel
03/13/1996EP0701333A2 Synchronisation method and apparatus for a direct sequence spread spectrum communications system
03/13/1996EP0701320A2 Detector for digitally modulated signal
03/13/1996EP0701297A1 Multipolarized omnidirectional transceiver antenna system
03/13/1996EP0700628A1 Process for operating a mobile radiotelephone system
03/13/1996EP0700626A1 Radio architecture with dual frequency source selection
03/13/1996EP0700613A1 A system for wireless and encrypted transmission of information
03/13/1996EP0700603A1 Base station in a cellular radio system and a cellular radio system
03/13/1996EP0620959A4 Frequency synchronized bidirectional radio system.
03/12/1996US5499399 Two-dimensional kernel adaptive interference suppression system
03/12/1996US5499397 Switched antenna diversity algorithm employing received signal strength, phase errors and recovered clock
03/12/1996US5499389 Method of compensating the dependence of the useful transmitter signal on the transfer function of a combiner filter
03/12/1996US5499272 Diversity receiver for signals with multipath time dispersion
03/12/1996US5499266 Low-power frequency-hopped spread spectrum acknowledgement paging system
03/12/1996US5499246 Digital radio receiver which detects when a portion of a burst is stolen for a control message
03/12/1996US5499243 Method and apparatus for coordinating transfer of information between a base station and a plurality of radios
03/12/1996US5499237 Waste canceling packet routing system and method
03/12/1996US5499032 Navigation and positioning system and method using uncoordinated beacon signals
03/12/1996CA1338153C Interference canceller
03/07/1996WO1996007288A1 Improving the performance of a mobile cellular communication system
03/07/1996WO1996007287A1 System and method for time slot and frequency allocation in a radio communications system
03/07/1996WO1996007285A1 Microwave video distribution system and adaptable microwave transmitter
03/07/1996WO1996007278A2 Device for sending short messages in telecommunication systems
03/07/1996WO1996007255A1 Device and method for efficient timing estimation in a digital receiver
03/07/1996WO1996007252A1 A method and apparatus for packet alignment in a communication system
03/07/1996WO1996007250A1 Device and method in radio based telecommunication system using repeaters
03/07/1996WO1996007249A1 Method for maintaining time synchronization for a mobile station in a cellular digital radio system
03/07/1996WO1996007248A1 Aerial switch for wireless aerial diversity telecommunications devices with two aerials
03/07/1996WO1996007247A1 A method and apparatus for digital selection diversity
03/07/1996WO1996007246A1 Power control method in a cellular communication system, and a receiver
03/07/1996WO1996007110A1 Navigation information system
03/07/1996WO1996007108A1 Method and apparatus for conveying a communication signal between a communication unit and a base site
03/07/1996WO1996002979A3 Channel hopping in a radio communications system
03/07/1996CA2198613A1 Antenna switch for wireless antenna diversity telecommunications device with two antennas
03/07/1996CA2198458A1 System and method for time slot and frequency allocation in a radio communications system
03/07/1996CA2175459A1 Improving the performance of a mobile cellular communication system
03/07/1996CA2174765A1 Method and apparatus for conveying a communication signal between a communication unit and a base site
03/07/1996CA2174763A1 A method and apparatus for packet alignment in a communication system
03/06/1996EP0700228A1 Method and apparatus for detecting the frequency drift of a base station oscillator in a cellular radiocommunications network
03/06/1996EP0700184A2 Diversity receiver
03/06/1996EP0700175A2 Time-division multidirectional multiplex communication system capable of using message area in radio burst signals divided into a plurality of areas
03/06/1996EP0700174A1 Wireless local radio link telecommunications apparatus
03/06/1996EP0700172A1 System for data transmission over a time-varying channel, and corresponding transmitting and receiving equipment
03/06/1996EP0699982A2 Mobile radio communication system permitting a mobile station to specify a base station used by the same
03/06/1996EP0699371A1 Group call in a cellular radio system
03/06/1996EP0699361A1 Method and apparatus for transmission of data using radio frequency signals
03/06/1996EP0699342A1 Method for realizing frequency hopping and a base station equipment
03/06/1996EP0699334A1 Method and apparatus for group encoding signals
03/06/1996CN1118123A Communication network with incoming calls directed through moving cells and method for operating same
03/06/1996CN1118122A Dual mode transmission system with switched linear amplifier
03/06/1996CN1031235C Low-voltage low-power-consumption radio telecontrol device circuit
03/05/1996US5497503 Method for assigning frequency channels in a cellular communication system and for identifying critical existing fixed microwave receivers that restrict operation of such a system
03/05/1996US5497424 Spread spectrum wireless telephone system
03/05/1996US5496003 System for transmission of information between the ground and moving objects, in particular in ground-train communications
03/02/1996CA2155252A1 Remote control system and method for an autonomus vehicle
03/01/1996CA2157081A1 System for transmitting informations via a time-varying transmission channel and related transmission and reception equipments
03/01/1996CA2154195A1 Wireless local radio link telecommunications apparatus
02/1996
02/29/1996WO1996006512A1 Cellular mobile communication system
02/29/1996WO1996006510A1 Method of improving rf coverage in a microcell environment
02/29/1996WO1996006494A2 Nonlinear digital communications system
02/29/1996WO1996006490A1 Multi-band, multi-mode spread-spectrum communication system
02/29/1996WO1996006487A1 Cdma receiving method and receiver
02/29/1996WO1996001544A3 A reception method, and a receiver
02/29/1996CA2197857A1 Cellular mobile communication system
02/29/1996CA2197332A1 Multi-band, multi-mode spread-spectrum communication system
02/28/1996EP0698974A1 Time diversity communication system
02/28/1996EP0698972A1 Antenna for multipath satellite communication links
02/28/1996EP0698864A2 Hired vehicle traffic system
02/28/1996EP0698255A1 Method of managing the transmission of messages from a set of transmitters to a single receiver on a single channel
02/28/1996EP0440673B1 Method and apparatus for automatically adjusting the output power of a transmitter
02/28/1996EP0432198B1 Method and system in a wide area radio communication network
02/28/1996CN1117701A Cordless telephone apparatus
02/28/1996CN1117677A Radio telecommunication system with a multi-sensor receiver station and a plurality of emitter stations transmitting data packets
02/28/1996CN1117675A Method and apparatus for transmitting, receiving and communicating program data signals with digitalnals data signals
02/28/1996CN1117613A Common control redundancy switch method
02/27/1996US5495530 Low power emergency telephone mode
02/27/1996US5495508 Base station emulator
02/27/1996US5495507 Filter arrangement implementing a least squares method utilizing rotation matrices
02/27/1996US5495506 Automatic frequency control apparatus
02/27/1996US5495502 Adaptive cross-polarization equalizer
02/27/1996US5495501 Communication system including a digital roll-off filter