Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
05/1995
05/11/1995WO1995012932A1 Enhanced sleep mode in radiocommunication systems
05/11/1995WO1995012931A1 Digital control channels having logical channels for multiple access radiocommunication
05/11/1995WO1995012930A1 A method for communicating in a wireless communication system
05/11/1995WO1995012927A1 A method for transmitting radio signals, and a tdma transceiver
05/11/1995WO1995012925A1 Dual-mode wireless unit with two spread-spectrum frequency bands
05/11/1995WO1995012853A1 A system and method for downloading digital data to remote passenger seat locations on an aircraft or other vehicle
05/11/1995DE4338023A1 Electronic radio information system
05/11/1995CA2175085A1 Dual-mode wireless unit with two spread-spectrum frequency bands
05/11/1995CA2134824A1 Satellite cellular network resource management method and apparatus
05/10/1995EP0652680A2 Method for communicating in a wireless communication system
05/10/1995EP0652650A2 CDMA communication with multiplex transmission of data over a wide range from a low to a high rate
05/10/1995EP0652649A2 Satellite cellular network resource management method and apparatus
05/10/1995EP0652648A1 Transmitting and receiving apparatus
05/10/1995EP0652645A1 Portable radio device with means for protecting its user from electromagnetic radiation
05/10/1995EP0652644A2 Base station transmission-reception apparatus for cellular system
05/10/1995EP0651926A1 Transmitting and receiving apparatus and method including punctured convolutional encoding and decoding
05/10/1995EP0651925A1 Frequency hopping time-diversity communications systems and transceivers for local area networks
05/10/1995EP0507778B1 Paging system employing designated batch information service data message transmission
05/10/1995CN1028396C Phase combining method and apparatus for use in diversity receiver
05/09/1995US5414737 Data decoding device with error rate estimation
05/09/1995US5414734 Compensation for multi-path interference using pilot symbols
05/09/1995US5414731 Command set and procedure for synchronization of frequency hopping control clocks
05/09/1995US5414432 Position locating transceiver
05/09/1995US5414431 Satellite communication system
05/04/1995WO1995012297A1 Method and apparatus for reducing the average downlink transmitted power from base stations during soft handoff
05/04/1995WO1995012296A1 Method and apparatus for performing handoff between sectors of a common base station
05/04/1995WO1995012295A1 A method for transmitting measuring messages, and a mobile station
05/04/1995WO1995012262A1 Demodulation element assignment in a system capable of receiving multiple signals
05/04/1995WO1995012261A1 Wideband fft channelizer
05/04/1995WO1995012259A1 Method for eliminating mutliple-access interference and a mobile station
05/04/1995WO1995012258A1 A frame structure using consecutive slot assignments for mobile communications
05/04/1995WO1995012257A1 Apparatus and method for adapting a digital radiotelephone system to increased subscriber traffic
05/04/1995WO1995012251A1 A wireless packet data communications modem and method of use therein
05/04/1995CA2175356A1 A frame structure using consecutive slot assignments for mobile communications
05/03/1995EP0651586A2 Procedure for performing operations of supervision, maintenance and control in fixed cellular networks and means for carrying this out
05/03/1995EP0651539A1 System for contactless information transfer with phase modulation
05/03/1995EP0651531A2 Communication technique employing variable information transmission rate function of quality
05/03/1995EP0651524A2 Mobile telecommunication system with repeater
05/03/1995EP0651523A2 Communication receiver using soft decision to discriminate between a traffic channel frame and a fast associated control channel frame
05/03/1995EP0651519A2 Interference detection and reduction
05/03/1995EP0650649A1 A method and a device for the utilization of channels in a radio communications system
05/03/1995EP0650648A1 Dynamic control of transmitting power at a transmitter and attenuation at a receiver
05/03/1995EP0650647A1 Method and apparatus for transmission power regulation in a radio system
05/03/1995EP0650646A1 Dual-pass rake receiver for a digital radio link between a fixed and a mobile radio unit
05/03/1995EP0516739B1 Vehicle-pedestrian communication system
05/03/1995EP0464142B1 Paging terminal apparatus with user selectable page forwarding capability and methodology therefor
05/03/1995CN1102279A Method of exchanging data between a base transceiver station of a mobile radio network and a mobile in the network
05/02/1995US5412696 Electronic circuit readily capable of controlling extent of a radio communication zone
05/02/1995US5412686 Method and apparatus for power estimation in a communication system
05/02/1995US5412660 ISDN-to-ISDN communication via satellite microwave radio frequency communications link
05/02/1995US5412416 Video media distribution network apparatus and method
05/02/1995US5412389 Multibeam position ambiguity resolution
05/02/1995US5412388 Position ambiguity resolution
05/02/1995CA2072364C Method for synchronizing the transmissions in a simulcast transmission system
04/1995
04/30/1995CA2134621A1 Procedure for performing operations of supervision, maintenance and control in fixed cellular networks and means for carrying this out
04/27/1995WO1995011559A1 Method for controlling transmission during handoff in a communication system
04/27/1995WO1995011552A1 Antenna switching diversity receiver
04/27/1995DE4290570C2 Data transmission device
04/26/1995EP0650305A1 A digital cellular mobile radio system and a base station for use in such a system
04/26/1995EP0650279A1 Power management system for a wireless network
04/26/1995EP0650271A2 Frequency reuse technique for a high data rate satellite communication system
04/26/1995EP0650270A2 High data rate satellite communication system
04/26/1995EP0650269A2 Communication protocol for a high data rate satellite communication system
04/26/1995EP0650268A1 System for radio transmission using a wideband adaptive array and frequency-domain processing
04/26/1995CN1102032A Unit for connecting searching terminal with radio communicating system
04/26/1995CN1102023A 移动通信单元 Mobile communication unit
04/26/1995CN1102022A Automobile on-board and/or portable telephone system
04/26/1995CN1102021A Electronic money and technique thereof
04/25/1995US5410748 Space diversity receivers
04/25/1995US5410733 Received signal strength information measurement useful in a mobile telephone system having mobile assisted handoff capability
04/25/1995US5410732 Method and apparatus for decentralizing uplink network control functions and minimizing terminal power level assessment overhead in radio frequency data communications networks
04/25/1995US5410731 Satellite telecommunications facility capable of covering a plurality of coverage areas
04/25/1995US5410728 Satellite cellular telephone and data communication system
04/25/1995US5410588 Mobile radio communications system having a supervising radio transmitting station for transmitting a reference synchronizing signal to a first and second base stations via a radio link
04/25/1995US5410568 CDMA/TDMA spread-spectrum communications system and method
04/25/1995US5410538 Method and apparatus for transmitting signals in a multi-tone code division multiple access communication system
04/20/1995WO1995010924A1 Multistation transmitting method and receiver therefor
04/20/1995WO1995010920A1 Method and apparatus for switching radio links in mobile communication
04/20/1995WO1995010903A1 Correlation detector and communication apparatus
04/20/1995WO1995010888A1 Delay spread sensor and detection switching circuit using it
04/20/1995DE4437236A1 Diversity receiver
04/20/1995DE4433613A1 Determining the location of vehicles, living beings and objects on the basis of cell-oriented radio networks
04/20/1995DE4333000A1 Method for synchronising base stations in a multicellular wireless telephone system
04/19/1995EP0649235A1 Method and apparatus for channel equalization
04/19/1995EP0649110A1 Device with spectral purity for exchanging at a distance information between a portable object and a station
04/19/1995EP0648393A1 Cellular communications test system
04/19/1995EP0626116A4 Frequency tuning for satellite ground stations.
04/19/1995EP0610367A4 Information broadcasting system and method.
04/19/1995CN1101761A Planar antenna with helical antenna array and waveguide
04/18/1995US5408698 Radio tele-communication device having function of variably controlling received signal level
04/18/1995US5408687 Direct digital synthesizer with a central frequency controllable filter
04/18/1995US5408682 Identification code search in a communication device
04/18/1995US5408681 Automatic repeater station for signal transmissions
04/18/1995US5408680 Single channel autonomous digitally trunked RF communications system
04/18/1995US5408679 Mobile telecommunications system having an expanded operational zone
04/18/1995US5408520 Modem for tight coupling between a computer and a cellular telephone
04/18/1995US5408517 Method and apparatus for handoff synchronization
04/18/1995US5408515 Ground-to-air telephone calling system and related method for directing a call to a particular passenger
04/18/1995US5408504 Symbol and frame synchronization in a TDMA system
04/18/1995US5408496 Spread-spectrum, frequency-hopping radiotelephone system