Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
09/1994
09/07/1994EP0614290A1 Method for allocating a time slot in a frame to a mobile accessing a communication cell and transmitting-receiving base station using the method
09/07/1994EP0614289A2 Transmission apparatus for round-trip satellite
09/07/1994EP0614288A1 Method and apparatus for equalising a radio signal using a fast least squares algorithm
09/07/1994EP0614287A1 Equalisation of data blocks in a TMDA communications system
09/07/1994EP0614269A1 Power amplifier for a radio frequency signal
09/07/1994EP0613604A1 Inbuilding telephone communication system
09/07/1994CN1091874A Personal radio paging receiver
09/06/1994US5345604 FM vehicle radio with modular phase shifters
09/06/1994US5345603 Receiver arrangement formed by a plurality of receive branches
09/06/1994US5345602 Receiver with multiple antennas
09/06/1994US5345601 Harmonic-frequency communication system with improved diversity scheme
09/06/1994US5345600 Method and apparatus for selectively-enabled diversity signaling in a radio communications system
09/06/1994US5345599 Increasing capacity in wireless broadcast systems using distributed transmission/directional reception (DTDR)
09/06/1994US5345598 Duplex power control system in a communication network
09/06/1994US5345596 Method and apparatus for establishing a communication link
09/06/1994US5345594 Information transmission system retransmitting information signals according to retransmission schedule
09/06/1994US5345474 Temporary address system in a radio communication system
09/06/1994US5345472 Method and apparatus for receiving and decoding communication signals in a CDMA receiver
09/06/1994US5345467 CDMA cellular hand-off apparatus and method
09/06/1994US5345439 Multi purpose digital signal regenerative processing apparatus
09/06/1994US5345245 Differential data signal transmission technique
09/06/1994US5345240 Handheld obstacle penetrating motion detecting radar
09/06/1994CA2009161C Earth station capable of carrying out communication without a control station
09/01/1994WO1994028661A1 An improved low complexity model based channel estimation algorithm for fading channels
09/01/1994WO1994019891A1 System and process for data communication via a packet radio network
09/01/1994WO1994019877A1 Arrangement for telecommunication
09/01/1994WO1994019876A1 Method and system for the dynamic modification of control parameters in a transmitter power control system
09/01/1994CA2156707A1 Method and system for the dynamic modification of control parameters in a transmitter power control system
08/1994
08/31/1994EP0613260A2 Space diversity receiver for a digital communications system
08/31/1994EP0613257A2 Power circuit and radiocommunication apparatus using the power circuit
08/31/1994EP0612453A1 A method and an arrangement for frame detection quality estimation in the receiver of a radio communication system
08/31/1994CN2175988Y Wireless broadcast monitor
08/31/1994CN1091568A Method of detecting a paging channel in a multi-frequency radio pager network
08/31/1994CN1091567A Apparatus and methods for music and lyrics broacasting
08/31/1994CN1091566A Paging receiver capable of rapidly judging necessity of keeping an incoming message
08/31/1994CN1091565A Radio pager having function switches for establishing an additional function of coupling the pager with an external device
08/31/1994CN1091564A Radio paging system having a plurality of transmitter stations
08/31/1994CN1091562A Method and apparatus for noise quieting during resynchronization of digita communication system
08/31/1994CN1091561A Method and apparatus for switched diversity reception of a radio signal
08/31/1994CN1091560A Method and apparatus for controlling switched antenna diversity systems
08/30/1994US5343512 Call setup method for use with a network having mobile end users
08/30/1994US5343497 Method and device for the synchronization between a base radio station and a mobile radio station in a digital radiomobile system
08/30/1994US5343496 Interference suppression in CDMA systems
08/30/1994US5343136 Charger for charging a rechargeable battery
08/24/1994EP0612162A2 Apparatus for monitoring the transmission power level in a TDMA communications system
08/24/1994EP0612144A1 Automatic control circuit for a power amplifier
08/24/1994EP0612143A1 HF amplifier, transmit-receive station using the amplifier and mobile radio system using the station
08/24/1994EP0611507A1 Switching method and apparatus for satellite communication system
08/24/1994EP0611501A1 Beam compensation methods for satellite communication system.
08/24/1994EP0611500A1 Satellite communication system
08/24/1994EP0611499A1 A method and apparatus for regulating transmission power
08/24/1994EP0611498A1 Spread spectrum communication system with adaptive power control
08/24/1994EP0611491A1 Spacecraft antennas and beam steering methods for satellite communication system
08/24/1994EP0611490A1 Terrestrial antennas for satellite communication system
08/24/1994EP0567459A4 Antenna pattern selection for optimized communications and avoidance of people
08/23/1994US5341401 Method of detecting the channel identity of a number of channels in a mobile radio system
08/23/1994US5341397 CDMA frequency allocation
08/23/1994US5341301 Diversity type global positioning system for motor vehicles
08/23/1994CA2023788C Anti-intrusion defeator and locator for communication satellites
08/18/1994WO1994018764A1 Improvements relating to duplex communications systems
08/18/1994WO1994018761A1 Wireless telephone
08/18/1994WO1994018760A1 Select call receiver
08/18/1994WO1994018758A1 Method and apparatus of frequency generation for use with digital cordless telephones
08/18/1994WO1994018756A1 Method and apparatus for controlling a power level of a subscriber unit of a wireless communication system
08/18/1994WO1994018752A1 Method and apparatus of adaptive maximum likelihood sequence estimation using a variable convergence step size
08/18/1994DE4303979A1 Car radio with antenna diversity
08/17/1994EP0611199A1 Portable radio telephone employing an antenna with a substantially vertical radiation pattern
08/17/1994EP0610989A2 Radio system with space diversity transmitter/receiver
08/17/1994EP0610438A1 Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites
08/17/1994EP0610367A1 Information broadcasting system and method
08/17/1994EP0506795B1 Radio communication system based on digital localisation points
08/17/1994EP0358688B1 Method for dynamically allocating data channels on a trunked communication system
08/17/1994CN2174816Y Number transfer repeater with presetting program
08/17/1994CN1090952A Diversity antenna structure having closely-positoned antenna
08/17/1994CN1025704C For cellular communication system
08/16/1994US5339452 Switching diversity reception system
08/16/1994US5339330 Integrated cellular communications system
08/16/1994US5339309 Transmitter-receiver
08/12/1994CA2115417A1 Portable radiotelephone
08/10/1994EP0610030A2 Method and apparatus for transmitter power control in a cellular radio system
08/10/1994EP0609828A2 Adaptive matched filter
08/10/1994EP0609436A1 A method for forming a quality measure for signal bursts
08/10/1994EP0609429A1 Geographic-area selective low-earth satellite-based paging broadcast system and method
08/10/1994EP0609412A1 A communication network, method of establishing a connection, and apparatus and registration procedure in such a network
08/10/1994CN2174013Y Facsimile interface device for mobile telephone
08/10/1994CN1090701A Analog retry
08/10/1994CN1090691A Sectorized celluar radio base station antenna
08/10/1994CN1090688A Equipment for controlling sending and receiving apparatus of interrupt station and movable part of radio telephone system
08/09/1994US5337066 Antenna system with a limitable communication area
08/09/1994US5337046 System for communication between pedestrians and vehicles
08/09/1994US5336945 Comparator device having maximum (minimum) value determining and selecting means for selecting received signals
08/09/1994CA2115118A1 Method of transmitting a data stream, transmitter and receiver
08/04/1994WO1994017641A1 Call completion system and method
08/04/1994WO1994017605A1 Arrangement in a mobile communications system for extending the range between one or more mobile units and a base station
08/04/1994WO1994017604A1 Method and apparatus for transmission path delay measurements using adaptive demodulation
08/04/1994WO1994017599A1 Cartesian multicarrier feedback
08/04/1994WO1994017596A1 Method and system for performing transmission of digital data by coding bit information into the shape of a pulse and decoding the bit information from the shape of the pulse
08/04/1994WO1994012571A3 Mixtures of unsaturated carboxylic acid polymerizates and use
08/04/1994CA2155019A1 Call completion system and method
08/04/1994CA2132089A1 Cartesian multicarrier feedback