Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
12/1995
12/26/1995US5479446 Channel estimation device
12/26/1995US5479444 Training sequence in digital cellular radio telephone system
12/26/1995US5479443 Hybrid digital radio-relay system
12/26/1995US5479419 Adaptive maximum likelihood sequence estimator
12/26/1995US5479410 Measuring signal strengths of adjacent base stations in a TDMA radio system for a possible handover
12/26/1995US5479397 In a cellular telephone system
12/22/1995CA2152225A1 Process to carry out a radiolocalization of a mobile by means of a satellite and radiolocalization device and transmission method for said process
12/22/1995CA2152223A1 Receiver control signal, synchronization device, equalization device, synchronization process and corresponding receivers
12/21/1995WO1995035007A1 Traffic control method in a hierarchical mobile communication system
12/21/1995WO1995035006A1 Handover in a mobile communication system
12/21/1995WO1995035004A1 Automatic determination and tuning of pico-cell topology for low-power wireless systems
12/21/1995WO1995035003A1 Power control method and arrangement for handover in a mobile communication system
12/21/1995WO1995035002A1 Method of providing service and data rate negotiation in a mobile communication system
12/21/1995WO1995034997A2 Diversity combining for antennas
12/21/1995WO1995034983A1 Adaptive microphone arrangement and method for adapting to an incoming target-noise signal
12/21/1995WO1995034963A1 Free space communications system employing line of sight radiation
12/21/1995WO1995034962A1 Receiver
12/21/1995WO1995034961A1 Method of synchronizing carrier frequencies in a mobile-radio network
12/21/1995WO1995031070A3 Point-to-multipoint cellular television transmission system
12/21/1995CA2193065A1 Free space communications system employing line of sight radiation
12/21/1995CA2191957A1 Diversity combining for antennas
12/20/1995EP0688139A2 Device for extending the operating range of a digital cordless telephone system
12/20/1995EP0688110A2 Method and apparatus for adaptive dual decision equalization in multipath fading channels
12/20/1995EP0688109A2 Output power control for a pulsed transmitter and envelope shaping of power
12/20/1995EP0688108A2 Apparatus for transmission power control in a TDMA system
12/20/1995EP0687627A1 Power enhancement techniques for high power satellites
12/20/1995EP0687388A1 Drive arrangement for mechanically-steered antennas
12/20/1995EP0527998B1 A method and a device for controlling a radio transmitter
12/20/1995CN1113669A Method and apparatus for operating with a hopping control channel in a communication system
12/20/1995CN1113643A Multi-mode radio telephone
12/20/1995CN1113637A Equalization apparatus with fast coefficient updating operation
12/20/1995CN1113621A Radio station apparatus and signal transmission method thereof
12/20/1995CN1113619A Method and device for processing a signal
12/19/1995US5477539 Narrow band simulcast system having low speed data distribution
12/19/1995US5477215 Arrangement for simultaneously interrogating a plurality of portable radio frequency communication devices
12/19/1995CA2060431C Mobile telephone
12/16/1995CA2147894A1 Power enhancement techniques for high power satellites
12/14/1995WO1995034181A1 Communications system
12/14/1995WO1995034179A1 Method for reacting to disturbance in a mobile communication system
12/14/1995WO1995034178A1 Channel scan in cellular telephone system
12/14/1995WO1995034177A1 Fraud detection in a cellular communications system
12/14/1995WO1995034176A1 Portable cellular telephone using spread spectrum communication with mobile transceiver
12/14/1995WO1995034154A2 Method for synchronizing subscriber equipments, a base station and a subscriber equipment
12/14/1995WO1995034153A1 Apparatus and method for hybrid network access
12/14/1995WO1995034142A1 Rf link control of satellite clocks
12/14/1995WO1995034141A1 Transmission system and receiver with polarization control
12/14/1995WO1995034140A1 Method and apparatus for cancelling interference in signals having undergone multipath
12/14/1995WO1995034139A1 Method and apparatus for subscriber power level adjustment in a communication system
12/14/1995WO1995034138A1 Communications system
12/14/1995WO1995034137A1 Transceiver interface unit for aircraft communication
12/14/1995WO1995034102A1 Microstrip antenna array
12/14/1995WO1995030289A3 A direct sequence cdma coherent uplink detector
12/14/1995WO1995029547A3 Selective call system and a secondary station for use therein
12/14/1995DE4420283A1 Verfahren zur Trägerfrequenzsynchronisation A method for carrier frequency synchronization
12/14/1995CA2191956A1 Microstrip antenna array
12/13/1995EP0687079A2 An extended range TDMA system
12/13/1995EP0687078A2 A system for transmitting packet data in radio telephone TDMA systems
12/13/1995EP0687077A2 Radio transmission system with mobile stations using a intelligent frequency hopping method
12/13/1995EP0687076A2 Diversity communication system with arrays of antennas using adaptive mezched filters and decision feedback equalizers
12/13/1995EP0687075A2 Method and apparatus for distributed power control in cellular radio systems
12/13/1995CN1113403A Path gain estimation in a receiver
12/13/1995CN1113369A A CDMA communications method and system
12/13/1995CN1113367A Method for making wireless paging cooperation network roaming about the whole country
12/13/1995CN1113366A Paging communication-device system for traffic administration of business vehicles
12/12/1995US5475877 Mobile wireless set with improved intermittent operation control and reduced power consumption
12/12/1995US5475875 Antenna switching circuit employing FETs for reduced power consumption
12/12/1995US5475871 Communication system with control signal based tuning
12/12/1995US5475870 Apparatus and method for adding and removing a base station from a cellular communications system
12/12/1995US5475868 Cellular radio system having channel evaluation and optimal channel selection via trial use of non-assigned channels
12/12/1995US5475867 Distributed supervisory control and data acquisition system
12/12/1995US5475861 Method for controlling transmission power in a communication system
12/12/1995US5475712 Voice coding communication system and apparatus therefor
12/12/1995US5475709 Adjacent and alternate channels power measurement apparatus
12/12/1995US5475689 Cellular telephone with datagram and dispatch operation
12/12/1995US5475677 Compatible licensed and unlicensed band portable handset unit for TDMA wireless communications system
12/12/1995US5475374 Method and apparatus for energy conservation in a communication system
12/12/1995CA2033270C Radio communication apparatus for a selected one of a plurality of terminal units of different kinds
12/09/1995CA2151190A1 Extended range tdma system
12/07/1995WO1995033353A1 Connection release in a telecommunications system
12/07/1995WO1995033350A1 Wideband wireless basestation making use of time division multiple-access bus to effect switchable connections to modulator/demodulator resources
12/07/1995WO1995033347A1 Connection release in a telecommunications system
12/07/1995WO1995033346A1 Cellular communications network
12/07/1995WO1995033315A1 Transmission timing measuring instrument
12/07/1995WO1995033314A1 Diversity receiver for signals with multipath time dispersion
12/07/1995WO1995033313A1 A method for improving the audibility of a broadcast control channel
12/07/1995WO1995033312A1 A method for selecting two antennas
12/07/1995WO1995032616A1 Identity and cow estrus indicator
12/07/1995WO1995031879A3 Control of handover and transmission power control of mobile station in a mobile telecommunications system
12/07/1995DE19508461A1 Communications connection detection system for mobile communications network
12/07/1995CA2166882A1 A method for selecting two antennas_from which to receive a communication signal
12/07/1995CA2151017A1 Linear receiver
12/06/1995EP0685954A2 Waterproofed portable telephone
12/06/1995EP0685945A1 Antenna apparatus having antenna elements for different frequencies
12/06/1995EP0685132A1 Fully meshed cdma network for personal communications terminals
12/06/1995EP0685129A1 Method and system for the dynamic modification of control parameters in a transmitter power control system
12/06/1995EP0685128A1 Radio telephone system for minimizing co-channel interference utilizing geographic separation of signals and transmission power control
12/06/1995CN1113097A PCM link fault detection and lost block handling
12/06/1995CN1113065A Telephone having a speech band limiting function
12/05/1995USH1507 Demand assigned multiple access (DAMA) device controller interface
12/05/1995US5473668 Digital cordless telephone system readily capable of setting up