Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
04/1998
04/14/1998US5740206 For reducing distortion
04/14/1998US5740168 Method and apparatus for switching radio links in mobile communication
04/14/1998US5740167 Dual mode multiple access method for common radio channel
04/14/1998US5740166 United access channel for use in a mobile communications system
04/14/1998US5740165 Wireless TDMA transmitter with reduced interference
04/14/1998US5740164 Traffic routing for satellite communication system
04/14/1998US5739795 Portable receiver with antenna
04/14/1998US5739793 Mobile communication information terminal apparatus
04/14/1998US5739784 Method and beam stepping apparatus for a satellite cellular communication system
04/14/1998US5739762 Time correction system for radio selective calling receiver
04/14/1998US5739327 N-alkyl ammonium acetonitrile bleach activators
04/14/1998CA2217439A1 Radio communication system
04/14/1998CA2087064C Radio paging system having a plurality of transmitter stations
04/11/1998CA2216302A1 Combat harness
04/10/1998CA2217615A1 Satellite communication method
04/09/1998WO1998015153A1 Method and apparatus for mitigating intermodulation effects in multiple-signal transmission systems
04/09/1998WO1998015150A1 Device and method in a cellular mobile telephone system
04/09/1998WO1998015148A1 Base station with rapid handover function of a cellular tdma/fdma mobile radio system, particularly of a cellular dect system
04/09/1998WO1998015147A2 Dual mode portable telephone unit
04/09/1998WO1998015146A2 Method of controlling an autonomous device, e.g. a repeater, and an autonomous device
04/09/1998WO1998015106A2 Cellular telephone interface system for amps and cdma data services
04/09/1998WO1998015084A1 Synchronization in tdma systems in a non-real-time fashion
04/09/1998WO1998015071A1 Method and apparatus for precorrecting timing and frequency in communication systems
04/09/1998WO1998015070A1 Determination of frequency offsets in communication systems
04/09/1998WO1998015056A1 A filter co-processor
04/09/1998WO1998015034A1 Antenna having improved blockage fill-in characteristics
04/09/1998WO1998014797A1 Unambiguous position determination method using two low-earth orbit satellites and system using this method
04/09/1998WO1998014796A2 Passive position determination using two low-earth orbit satellites
04/09/1998WO1998014795A1 Position determination using one low-earth orbit satellite
04/09/1998WO1998014794A1 Ambiguity resolution for ambiguous position solutions using satellite beams
04/09/1998WO1997049190A3 Universal communications system for space applications
04/09/1998DE19731702A1 Telecommunication system producing positioning data service
04/09/1998CA2267333A1 Cellular telephone interface system for amps and cdma data services
04/09/1998CA2267317A1 Base station with rapid handover function of a cellular tdma/fdma mobile radio system, particularly of a cellular dect system
04/09/1998CA2267222A1 Ambiguity resolution for ambiguous position solutions using satellite beams
04/09/1998CA2267169A1 Method and apparatus for precorrecting timing and frequency in communication systems
04/08/1998EP0835033A2 Hand-held mobile phone terminal
04/08/1998EP0835001A1 Channel allocation method in data transmission in the optical frequency range
04/08/1998EP0834999A1 Leaky feeder communications system and corresponding equipment for a subscriber installation
04/08/1998EP0834840A1 Action analyzing/recording system
04/08/1998EP0834225A1 Method for setting transmit and receive chains of channels formed by a mobile radio system base station
04/08/1998EP0834224A1 Ground-station system, ground station, device, method
04/08/1998EP0834123A1 Machine control module for a processor
04/08/1998EP0808531A4 Method and apparatus for identifying a transmitter in a simulcast radio communication system
04/08/1998EP0715786B1 Base station equipment using diversity reception
04/08/1998EP0642720A4 Data communication receiver having burst error protected data synchronization.
04/08/1998EP0629325A4 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system.
04/08/1998CN1178618A Transmission equipment for an interexchange conection
04/08/1998CN1178617A Method and apparatus for formatting of data for transmission
04/08/1998CN1178615A Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase time and energy
04/08/1998CN1178440A Mobile communication receiving apparatus
04/08/1998CN1178417A Method and apparatus for adaptive routing in satellite-based communication system
04/07/1998US5737703 Multi-mode radio telephone which executes handover between different system
04/07/1998US5737700 Providing assistance to a mobile telephone subscriber travelling from a location to a desired location
04/07/1998US5737687 Wireless telephone transceiver system
04/07/1998US5737686 Circuit control apparatus for satellite communication system
04/07/1998US5737685 Co-located subscriber unit to subscriber unit communication within a satellite communication system
04/07/1998US5737684 Dama type satellite communication system using non-overlapped multi-spot beam
04/07/1998US5737363 Low power output subscriber unit
04/07/1998US5737359 In a mobile communication system
04/07/1998US5737358 Multiplexed radio communication system
04/07/1998US5737330 System and method for the efficient control of a radio communications network
04/07/1998US5737327 Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system
04/07/1998US5737326 Multi-code code division multiple access receiver
04/07/1998US5737324 Method and apparatus for establishing spread spectrum communication
04/07/1998US5737323 Radio telephone
04/07/1998US5737322 Selective call system and a secondary station for use therein
04/07/1998US5736964 In a wireless communication system
04/07/1998US5736959 Earth-fixed cell beam management for satellite communication system using dielectic lens-focused scanning beam antennas
04/07/1998US5735887 Closed-loop, RF-coupled implanted medical device
04/07/1998CA2088111C Method and apparatus for using orthogonal coding in a communication system
04/07/1998CA2085686C Method and circuit for saving the power of a battery used in a portable radio telephone
04/07/1998CA2078321C Multiplexing system for plural channels of electromagnetic signals
04/05/1998CA2208968A1 Channel allocation method in connection with data transmissions in the optical frequency range
04/02/1998WO1998014024A1 Communication system with a beamformed control channel and method of system control
04/02/1998WO1998014019A1 Method for wireless transmission of local or useful information, and transmitter/receiver pair
04/02/1998WO1998013954A1 Mobile station communication network
04/02/1998WO1998013953A1 Mobile radio telephone terminal/mobile radio telephone relay
04/02/1998WO1998013952A2 A base station receiver and a method for receiving a signal
04/02/1998WO1998013951A2 Method and apparatus for measuring link quality in a spread spectrum communication system
04/02/1998WO1998013944A1 Homodyne cellular base station
04/02/1998WO1998013941A1 Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
04/02/1998DE19720236A1 High quality data transmission method
04/02/1998DE19639414A1 Radio communications base station parameter setting method
04/02/1998CA2267372A1 Homodyne cellular base station
04/02/1998CA2266552A1 Mobile station communication network
04/02/1998CA2265833A1 Method and apparatus for measuring link quality in a spread spectrum communication system
04/02/1998CA2265640A1 Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
04/01/1998EP0833538A2 Mobile communication device and method of controlling the same
04/01/1998EP0833537A2 A mobile telephone apparatus with power saving
04/01/1998EP0833535A2 Method of synchronising a radio network termination equipment for RLL/WLL systems connected to an ISDN system
04/01/1998EP0833528A2 Two-way radio paging system having base station and mobile station implementing two-way communication of transmission reception
04/01/1998EP0833512A2 Interactivity enhancement apparatus for consumer electronics products
04/01/1998EP0833492A2 Intelligent pager for remotely managing e-mail messages
04/01/1998EP0833472A1 Method and instrument for measuring receiving sir and transmission power controller
04/01/1998EP0833465A2 Wireless communication system and method comprising a transreceiver and a plurality of remote wireless communication devices
04/01/1998EP0833464A2 Method of coverage extension in a TDMA system
04/01/1998EP0833463A2 Method and device for actions command in a time slot method
04/01/1998EP0833462A2 Medium earth orbit communication satellite system
04/01/1998EP0833461A1 Polarization diversity receiver unit for frame-based mobile communication systems