Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
07/1998
07/07/1998US5777577 Satellite selection
07/07/1998CA2113282C Burst mode receiver control
07/07/1998CA2113200C Single channel remote site trunking
07/07/1998CA2109411C Method and apparatus for estimating signal weighting parameters in a diversity receiver
07/07/1998CA2107766C Clock recovery method and apparatus in a diversity receiver
07/07/1998CA2102446C Method and apparatus for optical processing of a radio frequency (rf) signal
07/03/1998CA2194326A1 Process for multi-sensor equalisation in a radio receiver in the presence of interference and multiple propagation paths
07/02/1998WO1998028931A2 Methods and systems for reduced power operation of cellular mobile terminals
07/02/1998WO1998028889A1 Cdma system with multiple constellations
07/02/1998WO1998028876A2 Adjusting air frame position of transmissions to minimise co-channel interference
07/02/1998WO1998028869A2 System and method for delivering data over a data broadcasting system to specially targeted audiences
07/02/1998WO1998028865A1 Device and method for a telecommunications system
07/02/1998WO1998028864A1 Sdma packet radio system and channel establishment method
07/02/1998WO1998028863A1 Synchronisation of base stations in a cellular telecommunications system
07/02/1998WO1998028861A2 Diversity method and base station equipment
07/02/1998WO1998028859A1 Method of generating a carrier wave of common channels, and a radio system
07/02/1998WO1998017018A3 Method and device to determine the transmission point in time of a first transfer in relation to another transfer in a radio medium
07/02/1998WO1998015887A3 Aggregate information production and display system
07/02/1998DE19756631A1 Automatic radio network operation method
07/02/1998CA2275723A1 Synchronisation of base stations in a cellular telecommunications system
07/02/1998CA2275715A1 Telecommunications systems
07/01/1998EP0851703A2 Method and apparatus for alerting a station in one network of a communication request from a second network
07/01/1998EP0851699A2 A mobile communication apparatus with a security function and a method of communicating with a base station with security
07/01/1998EP0851698A2 Wireless communication systems
07/01/1998EP0851697A1 System for broadcasting messages from a mobile radio communication terminal
07/01/1998EP0851696A2 Method of wireless retrieval of information
07/01/1998EP0851695A2 Remote wireless communication device
07/01/1998EP0851694A2 Communication method, base station and terminal apparatus
07/01/1998EP0851642A2 Multicarrier receiver with compensation for frequency offset and for frequency-dependent distortion
07/01/1998EP0851641A2 Communication method and receiving apparatus for OFDM systems
07/01/1998EP0851638A2 Communication method and receiving apparatus for OFDM system
07/01/1998EP0851628A1 Key distribution for mobile network
07/01/1998EP0851618A2 Method and system for controlling remote multipoint stations
07/01/1998EP0851612A1 Signal transmitting method, mobile station device, and base station device for cdma mobile communication system
07/01/1998EP0851610A2 Code division switching scheme
07/01/1998EP0851609A2 Transceiver in base station for communicating with high-speed and low speed communication spread spectrum mobile users
07/01/1998EP0851608A1 Transmission time delay measurement at transmission paths in a radio telecommunication system
07/01/1998EP0851607A2 System, method, device for satellites communications control, mobile communication device, with satellite position and satellite time of visibility computing
07/01/1998EP0851606A2 Range repeater for a transmission system
07/01/1998EP0851605A2 Receiving circuit
07/01/1998EP0851604A2 Microcell load measurement using feedback control
07/01/1998EP0851599A1 Inexpensive modulated backscatter reflector
07/01/1998EP0851598A2 Dual mode receiver and radio transmitter
07/01/1998EP0851596A1 Mobile communications handsets
07/01/1998EP0851593A2 Receiving portion of radio communication device
07/01/1998EP0851573A1 Device for estimating the frequency offset between a frequency carrier of a digital signal and the frequency of a local oscillator of a receiver, and corresponding receiver
07/01/1998EP0851377A1 Passenger, baggage, and cargo reconciliation system
07/01/1998EP0851340A1 Printing apparatus and method for a personal digital assistant
07/01/1998EP0850547A1 Process for transmitting data packets from mobile stations to base stations in mobile radio systems operated on the time multiplex system
07/01/1998EP0700628B1 Process for operating a mobile radiotelephone system
07/01/1998EP0611507B1 Switching method and apparatus for satellite communication system
07/01/1998CN1186582A Method and apparatus for providing variable rate data in communications system using statistical multiplexing
07/01/1998CN1186401A Intermediate frequency selecting device for use in dual band cellular telephone and method thereof
07/01/1998CN1186400A Base band signal transmitting device in base station in mobile communications system using CDMA
07/01/1998CN1186399A Transceiver and associated method for surviving fades
07/01/1998CN1186389A SIR measurement apparatus
07/01/1998CN1186383A 信号监控电路 Signal monitoring circuit
06/1998
06/30/1998US5774829 Navigation and positioning system and method using uncoordinated beacon signals in conjunction with an absolute positioning system
06/30/1998US5774814 Multiply-detected macrodiversity method and system for wireless communications
06/30/1998US5774812 Method of voting multiple digital frames simultaneously
06/30/1998US5774810 Mobile radio communication device
06/30/1998US5774806 Method and system for dynamically balancing ring alert and attach-detach registration traffic
06/30/1998US5774800 Radio communication apparatus with reference frequency control based on stored characteristic control data
06/30/1998US5774798 Low power data receiver combined with audio receiver
06/30/1998US5774797 Portable telephone
06/30/1998US5774796 Airplane pilot communication aid
06/30/1998US5774795 Mobile object identification device
06/30/1998US5774794 Antenna for a portable radio telephone
06/30/1998US5774789 RF communication signal distribution system and method
06/30/1998US5774788 Remote ground terminal having an outdoor unit with a frequency-multiplier
06/30/1998US5774787 Interference mitigation system for protecting radio astronomy and method of using same
06/30/1998US5774785 Adaptive quality adjustment
06/30/1998US5774462 Unique word recognition system
06/30/1998US5774461 Medium access control and air interface subsystem for an indoor wireless ATM network
06/30/1998US5774459 Method of managing the transmission of messages from a set of transmitters to a single receiver on a single channel
06/30/1998CA2222320A1 Inexpensive modulated backscatter reflector
06/30/1998CA2219268A1 Subcarrier frequency division multiplexing of modulated backscatter signals
06/30/1998CA2219075A1 In-building personal pager and identifier
06/30/1998CA2218805A1 Passenger, baggage, and cargo reconciliation system
06/30/1998CA2081258C System for authenticating communication participants
06/30/1998CA2075051C Signal weighting system for digital receiver
06/25/1998WO1998027782A2 Method for providing a location independent dialing procedure within a mobile telecommunications network
06/25/1998WO1998027748A2 Wireless communications station and system
06/25/1998WO1998027719A2 A digital receiver
06/25/1998WO1998027694A1 Communications system and method
06/25/1998WO1998027684A1 System and method of time and frequency synchronization in a radio communication system
06/25/1998WO1998027677A2 Method and arrangement for wireless data transmission
06/25/1998WO1998027672A1 Interactive fixed and mobile satellite network
06/25/1998WO1998027671A1 Interference rejection combining with frequency correction
06/25/1998WO1998027670A1 Wireless communication system including a plurality of selectable antennas and wireless communications methods
06/25/1998WO1998027669A1 Smart antenna cdma wireless communication system
06/25/1998WO1998027663A2 System for improving the quality of a received radio signal
06/25/1998WO1998027645A1 Intermodulation compensation in multi-channel amplifiers
06/25/1998WO1998027617A1 Improved multi-sector antennae configuration
06/25/1998WO1998021834A3 Frequency hopping method and radio system
06/25/1998WO1998019491A3 Mobile assisted handoff in radiocommunication systems
06/25/1998WO1998018244A3 Method and equipment for transmitting terminal interface user data and status information
06/25/1998WO1998018216A3 A digital wireless communications system and a wireless radio station
06/25/1998WO1998011740A3 Process for controlling the initiation of emergency calls in cordless telecommunication systems, in particular dect/gap systems
06/25/1998WO1998000992A3 Improvements in or relating to a method and apparatus for determining symbol timing in a wireless communications system, also using a reusable control channel, and reducing power