Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
06/1997
06/05/1997WO1997020435A2 Channel allocation method and apparatus in satellite communication network
06/05/1997WO1997020413A1 Packet switching system using telephonic and satellite transmission
06/05/1997WO1997020402A1 Signal acquisition via repeated access probe transmission
06/05/1997WO1997020401A1 Improved satellite trunked radio service system
06/05/1997WO1997020400A1 Diversity receiver and control method therefor
06/05/1997WO1997020362A1 Virtual network configuration and management system for satellite communications system
06/05/1997WO1997013378A3 Apparatus and method for determining and using channel state information
06/05/1997CA2236104A1 Channel allocation method and apparatus
06/04/1997EP0777400A2 Personal beam cellular communication system
06/04/1997EP0777344A2 Method and device to synchronize DECT networks
06/04/1997EP0777343A2 Synchronization of wireless base stations by a service circuit in a telecommunication switching system
06/04/1997EP0777342A2 A terrestrial flight telephone system
06/04/1997EP0777341A1 Adaptive cross-polarization equalizer
06/04/1997EP0777334A2 Radio receiving apparatus having current consumption reducing function
06/04/1997EP0776588A1 Cellular mobile communication system
06/04/1997EP0776586A1 Method and apparatus for establishing a test loop for monitoring the operation of a radio station
06/04/1997EP0776582A2 Device at telecommunication systems
06/04/1997EP0776557A1 Multi-band, multi-mode spread-spectrum communication system
06/04/1997EP0776551A1 Device and method in radio based telecommunication system using repeaters
06/04/1997EP0776550A1 A receiver with an antenna array
06/04/1997EP0776549A1 Paging method and apparatus
06/04/1997CN1151237A Multi-model personal radio communication system
06/04/1997CN1151228A Adaptive sectorization in a spread spectrum communication system
06/04/1997CN1151093A Radio communication apparatus and method
06/03/1997US5636243 Interterminal direct communication in digital mobile communication system
06/03/1997US5636242 Diversity transmitter/receiver
06/03/1997US5636176 Synchronous DRAM responsive to first and second clock signals
06/03/1997US5635944 Multi-band antenna feed with switchably shared I/O port
06/03/1997US5635693 System and method for tracking vehicles in vehicle lots
05/1997
05/29/1997WO1997019536A1 Diversity device improved in ability to reproduce carrier in synchronous detection
05/29/1997WO1997019524A1 Mobile satellite user information request system and methods
05/29/1997WO1997015168A3 A method for system registration and cell reselection
05/29/1997WO1997015164A3 Simplifying decoding of codewords in a wireless communication system
05/29/1997WO1997015159A3 Method and apparatus for wireless communication employing collector arrays
05/28/1997EP0776138A2 Transmission system between central and base stations
05/28/1997EP0776105A1 Cdma demodulator
05/28/1997EP0776102A2 Method and device for wireless exchange of information between stations
05/28/1997EP0776101A2 Method and apparatus for bidirectional high bit-rate digital data transmission using space diversity
05/28/1997EP0776100A2 Method and apparatus for compensating Doppler shift in a satellite mobile telephone system
05/28/1997EP0776099A2 Code division multiple access mobile radio system
05/28/1997EP0775918A2 Transmission-reception system
05/28/1997EP0775412A1 Method and apparatus for transmission of data and voice
05/28/1997EP0775409A2 Nonlinear digital communications system
05/28/1997EP0775405A1 Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
05/28/1997EP0775393A2 Dynamic sectorization in a spread spectrum communication system
05/28/1997EP0775391A1 Spectrally efficient and high capacity acknowledgment radio paging system
05/28/1997EP0775388A1 Power consumption control method and apparatus for a communication system subscriber unit
05/28/1997EP0775386A1 Compensation for multi-path interference using pilot symbols
05/28/1997EP0775127A1 N-alkyl ammonium acetonitrile bleach activators
05/28/1997EP0716790A4 Information transmission system and method of operation
05/28/1997DE19647090A1 Measuring power loss through transmission signal leaking to adjacent channel
05/28/1997CN1150881A Handover in mobile communication system
05/28/1997CN1150872A Repeater
05/27/1997US5634206 Method and apparatus for estimating a signal fading characteristic
05/27/1997US5634204 Radio communication apparatus
05/27/1997US5634199 Method of subspace beamforming using adaptive transmitting antennas with feedback
05/27/1997US5634195 System and method for setting of output power parameters in a cellular mobile telecommunication system
05/27/1997US5634191 Self-adjusting RF repeater arrangements for wireless telephone systems
05/27/1997US5634190 Low earth orbit communication satellite gateway-to-gateway relay system
05/27/1997US5633891 Portable integrated satellite communications unit
05/27/1997US5633889 Phased array spread spectrum system and method
05/27/1997US5633876 Store and forward repeater
05/27/1997US5633875 Protocol and mechanism for centralized asset tracking communications
05/27/1997US5633874 Automatic retransmission request
05/27/1997US5633872 Interactive radio
05/27/1997US5633860 Reliablity-controlled data reception in receivers for TDMA mobile radio systems
05/27/1997US5633742 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith
05/27/1997US5633630 Watchdog circuit of vehicle tracking system
05/27/1997CA2043135C Plural frequency matrix multiplexer
05/22/1997WO1997018682A1 Method and apparatus for improving receiver performance in a land mobile communications system
05/22/1997WO1997018660A1 Asynchronous data transmission method and arrangement
05/22/1997WO1997018656A1 System for decrypting television from several satellites
05/22/1997WO1997018651A1 An adaptor card providing conditional access
05/22/1997WO1997018650A1 High-penetration transmission method for a radiocommunication system
05/22/1997WO1997018644A1 Synchronous data transmission method and arrangement
05/22/1997WO1997018643A1 Fast power control in a variable data rate mobile cmda communication system
05/22/1997WO1997018485A1 Global space radio navigation and radiolocation system, beacon, and receiver used in said system
05/22/1997WO1997018128A1 Applications of sun-synchronous satellite orbits to communications satellites
05/22/1997WO1997007609A3 High altitude cellular communication system platform
05/22/1997DE19600197C1 Data transfer in cellular radio system
05/22/1997DE19547468C1 Information transmission method for universal transmission network
05/22/1997CA2237693A1 High-penetration transmission method for a radiocommunication system
05/22/1997CA2237626A1 Asynchronous data transmission method and arrangement
05/22/1997CA2237568A1 Synchronous data transmission method and arrangement
05/22/1997CA2210306A1 Global space radiopositioning and radionavigation system, beacon and receiver used in this system
05/22/1997CA2189807A1 Cdma air interface for radio local loop system
05/21/1997EP0774876A2 Cell testing in cellular telecommunication network
05/21/1997EP0774843A2 Mobile satellite user information system and method
05/21/1997EP0774842A2 Wireless telecommunication system using frequency hopping, and method of controlling same
05/21/1997EP0774179A1 Remote transmitter power control in a cdma communications system
05/21/1997EP0760778A4 Elliptical orbit satellite coverage and deployment system
05/21/1997EP0651925A4 Frequency hopping time-diversity communications systems and transceivers for local area networks.
05/21/1997EP0581917B1 Method for controlling a radio transmitter unit
05/21/1997CN1150513A Traffic control method in hierarchical mobile communication system
05/21/1997CN1150512A Power control method and arrangement for handover in mobile communication system
05/21/1997CN1150498A Microstrip antenna array
05/21/1997CN1150358A Automatic gain control circuit for satellite communication transmitters
05/21/1997CN1150355A Method of regulating power of signal sent by first station to second station in telecommunication network
05/21/1997CN1034979C Voice automatic calling system
05/21/1997CN1034978C Radio frequency data communications networks