Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
03/1997
03/13/1997WO1997009793A1 Spread spectrum radio transmission digital mobile communication device
03/13/1997WO1997009792A1 Diversity receiver
03/13/1997WO1997009635A1 System for determining the location of mobile objects
03/12/1997EP0762793A2 Roaming control method for digital mobile telephone
03/12/1997EP0762788A2 Call reception control method for digital mobile telephone
03/12/1997EP0762671A1 High-speed radiocommunication system
03/12/1997EP0762670A2 TDMA communication method for a base station communicating with a plurality of zones using different radio frequencies and receiver therefor
03/12/1997EP0762669A2 Communication mode switching method for mobile station
03/12/1997EP0762668A2 Method for controlling transmission power of a radio transmitter
03/12/1997EP0762666A2 Code division multiple access mobile communication system
03/12/1997EP0762660A2 Apparatus and method for electronic polarization correction
03/12/1997EP0762647A1 Comb filter with a smaller number of delay elements
03/12/1997EP0762542A2 Diversity antenna circuit
03/12/1997EP0762254A2 Satellite beam steering reference using terrestrial beam steering terminals
03/12/1997EP0761068A1 Connection release in a telecommunications system
03/12/1997EP0761067A1 Connection release in a telecommunications system
03/12/1997EP0761062A1 A conferencing system
03/12/1997EP0761046A1 Generating real-time events in a tdma digital wireless communications system
03/12/1997EP0761045A1 A method for improving connection quality in a cellular radio system, and a base station
03/12/1997EP0760778A1 Elliptical orbit satellite coverage and deployment system
03/12/1997EP0479950B1 Synchronization and equalization in a tdma cellular system
03/12/1997CN1145118A Air traffic surveillance and communication system
03/12/1997CN1145014A Circuit for alarming loss of portable telephone and control method thereof
03/12/1997CN1145011A Wireless communication system and method of controlling same
03/12/1997CN1144993A 城市公共信息系统 City public information system
03/11/1997US5610991 Noise reduction system and device, and a mobile radio station
03/11/1997US5610983 Apparatus for detecting a synchronization component in a satellite transmission system receiver
03/11/1997US5610970 Telephone system with scheduled handling of calls
03/11/1997US5610919 Network identification information placement architecture for messaging system having roaming capability
03/11/1997US5610907 Ultrafast time hopping CDMA-RF communications: code-as-carrier, multichannel operation, high data rate operation and data rate on demand
03/11/1997US5610906 Spread-spectrum changeable base station
03/11/1997US5610615 Method and device for mobile station positioning by means of a satellite, and associated transmission method
03/11/1997US5610559 Dual loop frequency synthesizer having fractional dividers
03/11/1997US5610525 Battery capacity detector
03/11/1997US5609525 Video game data reception apparatus
03/09/1997CA2184879A1 Mobile communication apparatus, fixed communication apparatus, communication system and communication method
03/06/1997WO1997008867A1 Timing recovery and frame synchronization in a cellular communications system
03/06/1997WO1997008862A1 A data transmission method, and a cellular radio system
03/06/1997WO1997008861A1 Apparatus and method for digital data transmission
03/06/1997WO1997008855A1 Optical satellite feederlinks
03/06/1997WO1997008854A2 Time division duplex repeater for use in a cdma system
03/06/1997WO1997008852A1 Satellite telecommunication method using the superposition of a cdma signal on a television signal with carrier offset, and device for implementing same
03/06/1997WO1997008851A1 Satellite beam steering reference using terrestrial beam steering terminals
03/06/1997WO1997008850A1 Adjusting communication strategy for radio communications location
03/06/1997WO1997008849A1 Method and device for spatial multiplexing-demultiplexing of radio signals for an sdma mobile radio system
03/06/1997WO1997008848A1 Method and system for non-orthogonal noise energy based gain control
03/06/1997WO1997008847A1 Method and device for controlling transmission power of a radio transmitter in a cellular communication system
03/06/1997WO1997008846A1 Method and system for subtractive multiple access interference cancellation
03/06/1997WO1997008841A1 Receiving method and receiver
03/06/1997WO1997008774A2 Printed antenna
03/06/1997WO1997005722A3 Apparatus and method for synchronizing base sites individually in a communication system
03/06/1997WO1997004538A3 A wireless digital communication device, and a peak-detector
03/06/1997WO1996039779A3 Control message transmission in telecommunications systems
03/06/1997WO1996031040A3 Data communication method and apparatus
03/06/1997DE19630113A1 Verfahren zum Senden von Daten während Sprachpausen in einem synchronen Kommunikationssystem A method for transmitting data during speech pauses in a synchronous communication system
03/06/1997DE19533507A1 Multiplexing, access and duplexing method especially for cellular radio system
03/06/1997CA2231337A1 Satellite telecommunication method using the superposition of a cdma signal on a television signal with carrier offset, and device for implementing same
03/06/1997CA2230830A1 Optical satellite feederlinks
03/05/1997EP0760561A2 Repeaters for multibeam satellites with channels divided in subchannels and interbeam switching
03/05/1997EP0760183A1 Device for optimal distribution of data into data blocks in a time-division multiple access system
03/05/1997EP0555441B1 Method for setting up a group call in a cellular radio system
03/05/1997EP0531374B1 Cellular radio
03/05/1997EP0525941B1 Method of self-diagnosing a mobile telephone set for use in a mobile telephone switching system and mobile telephone set being applied to the method
03/05/1997CN1144592A Phased array cellular base station and associated methods for enhanced power efficiency
03/05/1997CN1144591A Assigning of transmission turns to radio units
03/05/1997CN1144445A CDMA mobile communication system and communication method
03/05/1997CN1144443A Dual mode multiple acces method for common radio channel
03/05/1997CN1144442A Radio communication system using TDD mode
03/05/1997CN1144437A Method and apparatus for controlling operation of signal decoder in broadcasting system
03/05/1997CN1144428A Receiving apparatus and communication apparatus
03/05/1997CN1144426A Intermittent reception control apparatus
03/04/1997US5608854 Method and apparatus for displaying information in a communication system
03/04/1997US5608765 Radio frame synchronization system
03/04/1997US5608724 Electronic circuit
03/04/1997US5608722 Multi-user communication system architecture with distributed receivers
03/04/1997US5608545 Facsimile device and communication control method thereof
03/04/1997US5608412 Protocol and mechanism for mutter mode communication for stationary master tracking unit
03/04/1997US5608409 Adaptive array with automatic loop gain control
03/04/1997US5607795 Battery terminals of miniature electronic apparatus and structure for retaining the same
03/04/1997CA1338960C Transmitting power adjustment in a duplex data transmission system
03/01/1997CA2179130A1 System and methods of supporting connection-oriented services in a network with changing topology
02/1997
02/27/1997WO1997007634A1 Data delivery services
02/27/1997WO1997007609A2 High altitude cellular communication system platform
02/27/1997WO1997007604A1 Synchronizing a telecommunications connection in a mobile communications system
02/27/1997WO1997007603A2 Synchronizing a telecommunications connection in a mobile communications system
02/27/1997WO1997007602A1 Radio resource sharing in communication systems
02/27/1997WO1997007601A1 Improved mobile earth terminal
02/27/1997WO1997007600A1 A method for adjusting transmit power during call set-up, and a cellular radio system
02/27/1997DE19627487A1 Automatic dialling method especially for automatic generation of call loop of established telephone number
02/27/1997DE19531309A1 Adaptive receiver system for satellite communication
02/26/1997EP0759259A1 Method and apparatus of maintaining an open communications channel between a cellular terminal and an associated cellular radio network
02/26/1997EP0759258A1 Mobile radio transmission system with integrated measuring device for dimensioning the radio-coverage area
02/26/1997EP0759247A1 Facsimile transmission in a mobile communication system
02/26/1997EP0759237A1 Synchronizing a mobile station transmission
02/26/1997EP0759227A1 Phase linear class e amplifier for a satellite communication system
02/26/1997EP0413759B1 A method and arrangement for channel monitor and control
02/26/1997CN1144029A Fade recovery in digital message transmission system
02/26/1997CN1143888A Radio communication system with displaced radio station
02/26/1997CN1143870A Time dividion multiplex communication control system
02/26/1997CN1143869A Two-system protocol conversion transceiver repeater