Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
01/1997
01/16/1997WO1997001941A1 Traffic management in a mobile communication network
01/15/1997EP0753943A2 Satellite communications system having user RF exposure monitoring and control
01/15/1997EP0753230A1 Methods and apparatus for communicating data via a cellular network control channel
01/15/1997EP0753221A1 Cellular radio system, repeater and base station
01/15/1997EP0753220A1 Arrangement for repeaters in a radio-based communications system
01/15/1997EP0753211A1 High gain antenna systems for cellular use
01/15/1997EP0753210A1 Angular diversity/spaced diversity cellular antennas and methods
01/15/1997EP0753159A1 Vehicle-mounted transponder
01/15/1997EP0668005B1 Modem for selectively connecting to a land line or to a cellular telephone
01/15/1997CN1140528A Selective call system
01/15/1997CN1140516A Wireless digital communication system, radio apparatus, digital speaker, and digital speaker controlling apparatus
01/15/1997CN1140385A Method of requesting volunteers for handoff in cellular system
01/15/1997CN1140365A Transmitter, receiver, transmission method, reception method and transfer method
01/14/1997US5594946 Method and apparatus for mitigating interference produced by a communication unit in a communication system
01/14/1997US5594942 Restoration of a home location register in a mobile radio system
01/14/1997US5594941 A cellular/satellite communications system with generation of a plurality of sets of intersecting antenna beams
01/14/1997US5594940 Statistically robust traffic modeling method and apparatus
01/14/1997US5594939 Synthesizer routing architecture for a switching apparatus
01/14/1997US5594936 Global digital video news distribution system
01/14/1997US5594871 Data communication method and data communication system using data communication apparatus therein
01/14/1997US5594782 Multiple mode personal wireless communications system
01/14/1997US5594780 Satellite communication system that is coupled to a terrestrial communication network and method
01/14/1997US5594777 Wireless private branch exchange system for use with mobile communication devices
01/14/1997US5594761 Control channel timing detection and self correction for digitally trunked simulcast radio communications system
01/14/1997US5594739 System and method for rapid selection of synchronization sources in a mobile telecommunications network
01/14/1997US5594737 Arrangement for controlling a transmitting/receiving device of base stations and/or mobile units, in particular of a cordless telephone system
01/14/1997US5594735 TDMA mobile unit frequency synthesizer having power saving mode during transmit and receive slots
01/14/1997US5594720 Multiple access cellular communication with dynamic slot allocation and reduced co-channel interferences
01/14/1997US5594490 System for distributing video/audio files from central location to a plurality of cable headends
01/14/1997US5594452 Method and system for locating an unknown transmitter using calibrated oscillator phases
01/14/1997CA2179224A1 Satellite communications system having user rf exposure monitoring and control
01/14/1997CA2066543C Adaptive synchronization arrangement
01/09/1997WO1997001254A1 An extended cell system
01/09/1997WO1997001243A1 Method of broadcasting television programmes with simultaneous interpretation
01/09/1997WO1997001226A1 Method for setting transmit and receive chains of channels formed by a mobile radio system base station
01/09/1997WO1997001225A1 Ground-station system, ground station, device, method
01/09/1997WO1997001224A1 A receiver with an antenna array
01/09/1997DE4290571C2 Integral hang-up and battery charging apparatus for cordless radiotelephone
01/09/1997DE19625394A1 Method of restoring communication after interruption
01/09/1997DE19621439A1 Verfahren zur Leistungssteuerung und Vorrichtung für die Verwendung in einer Funkkommunikationsvorrichtung A method for controlling power and apparatus for use in a radio communication device
01/09/1997CA2225800A1 Method for setting transmit and receive chains of channels formed by a mobile radio system base station
01/08/1997EP0752765A2 A wide-band application based upon a narrow-band TMDA system
01/08/1997EP0752764A2 Wireless communications network
01/08/1997EP0752762A2 Medium-earth-altitude satellite-based cellular telecommunications system
01/08/1997EP0752756A2 Single balanced frequency downconverter for direct broadcast satellite transmissions and hybrid ring signal combiner
01/08/1997EP0752192A1 Communicating on a direct mode channel
01/08/1997EP0752190A1 Assigning of transmission turns to radio units
01/08/1997EP0752189A1 Method for interference cancellation in a cellular cdma network
01/08/1997EP0752146A1 Method of and receiver for processing and reproducing a message
01/08/1997EP0671083B1 Method and apparatus for controlling signal quality in a cdma cellular telecommunications system
01/08/1997CN1140002A Burst Alignment Procedure
01/08/1997CN1140000A Data transmission method, transmitter and receiver
01/08/1997CN1139999A Transmission system utilizng different coding principles
01/08/1997CN1139869A Station receiving equipment and signal receiving method for code separation multiplex access system
01/08/1997CN1139865A Method and equipment of responsing route selection control
01/08/1997CN1139849A Code converter for multi-signal multi-encoder
01/08/1997CN1139846A Closed-loop power coutrol for low earth orbit satellite communication system
01/08/1997CN1139845A Low earth orbit communication satellite gateway-to-gateway relay system
01/08/1997CN1139844A Satellite Communication system and method
01/08/1997CN1139843A Radio pager
01/08/1997CN1139838A Reducing low spurt peak value/average value signal by interpolation
01/08/1997CN1139833A Battery electrode of miniature electronic equipment and structure for fixing same
01/08/1997CA2180416A1 Single balance frequency downconverter for direct broadcast satellite transmissions and hybrid ring signal combiner
01/07/1997US5592532 Wireless telephone system with message storage for plural telephones
01/07/1997US5592516 Method and circuits for combining baseband signals and recovery of clock timing
01/07/1997US5592507 Intermediate relay station of a digital microwave communication system using service channel for monitoring and controlling space and/or time diversity, heterodyne relay, phase control, frequency control, with phase shift keying modulation
01/07/1997US5592491 Two-way communication network
01/07/1997US5592490 Spectrally efficient high capacity wireless communication systems
01/07/1997US5592489 Data combination circuit device and data combination method
01/07/1997US5592481 Multiple satellite repeater capacity loading with multiple spread spectrum gateway antennas
01/07/1997US5592480 Wideband wireless basestation making use of time division multiple-access bus having selectable number of time slots and frame synchronization to support different modulation standards
01/07/1997US5592471 Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems
01/07/1997US5592470 Broadband wireless system and network architecture providing broadband/narrowband service with optimal static and dynamic bandwidth/channel allocation
01/07/1997US5592469 Radio system
01/07/1997US5592180 Direction finding and mobile location system for trunked mobile radio systems
01/07/1997US5592177 Polarization-rotation modulated, spread polarization-rotation, wide-bandwidth radio-wave communications system
01/07/1997US5592175 Location determination method and apparatus for a communication unit
01/07/1997US5592172 Method of, and system for, describing a geographical area to a communications network
01/04/1997CA2178868A1 Method and parameter prediction system for reestablishing a temporarily interrupted dynamic communication link
01/03/1997WO1997000587A1 Method for identifying a fast speed mobile station, and a base station
01/03/1997WO1997000586A1 Method and apparatus for establishing a test loop for monitoring the operation of a radio station
01/03/1997WO1997000568A1 Packet data transmission in code-division multiple access communication systems
01/03/1997WO1997000565A1 Cdma communication system in which bit rates are dynamically allocated
01/03/1997WO1997000562A1 Method and apparatus for determining signal strength in a spread spectrum communication system having a variable data rate
01/03/1997WO1997000561A1 Communication method and apparatus using data compression
01/03/1997WO1997000543A1 Method and apparatus for adaptive transmission beam forming in a wireless communication system
01/03/1997WO1996037053A3 Method and apparatus for controlling operation of a portable or mobile battery-operated radios
01/03/1997CA2224711A1 Communication method and apparatus using data compression
01/02/1997EP0751644A2 Control signal detection method with calibration error and subscriber unit therewith
01/02/1997EP0751634A2 Method and circuit for frame synchronisation in a multi-cellular telecommunications system
01/02/1997EP0751633A2 Radio communication apparatus and method for determination of frequency error occuring in a repeater station
01/02/1997EP0751632A1 Method of multi-station communications for low-orbiting satellite systems and a device for carrying out the said method
01/02/1997EP0751631A1 Radio frequency circuit for portable radio communication device
01/02/1997EP0751630A2 Code division multiple access base station transmitter
01/02/1997EP0751627A2 Communication terminal equipment for receiving and sending message information and the control method thereof
01/02/1997EP0750826A1 Direct mode repeater in a mobile radio system
01/02/1997EP0750825A1 A method and apparatus for frequency allocation in a cellular telecommunications network
01/02/1997EP0750824A1 A method for estimating received power and a receiver
01/02/1997EP0750810A1 Pipelined cell site base station receiver for multiple spread spectrum signals
01/01/1997CN1139509A Radio telephone base station with a monitoring apparatus