Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
01/2000
01/12/2000EP0970569A2 Self-synchronizing equalization techniques and systems
01/12/2000EP0970541A1 Integrated transmit/receive antenna with arbitrary utilisation of the antenna aperture
01/12/2000EP0970388A2 Method for evaluating direction
01/12/2000EP0857381A4 Coexisting communication systems
01/12/2000EP0619927B1 Power amplifier linearization in a tdma mobile radio system
01/12/2000CN1241341A Extending battery life in electronic apparatus
01/12/2000CN1241328A Compensation of Doppler shift in mobile communication system
01/12/2000CN1241100A Method for calculating optimal number of BTSs in cellular network and determining loading factor value therefor
01/12/2000CN1241079A Method and apparatus for fragmenting messages for wireless network using group sharing of reference numbers
01/12/2000CN1241074A Transmission power control for use in transmitting apparatus in CDMA communication system
01/12/2000CN1241071A Radio communication device and method of bit synchronization pull-in in same
01/12/2000CN1241070A Multiuser interference canceler for DS-CDMA system
01/12/2000CN1240940A Mobile telephone type transmitter for automatic location tracking
01/12/2000CN1048368C Anti-lose alarm device for mobile telephone
01/11/2000US6014574 Circuit configuration for voltage polarity reversal in a mobile radio transceiver
01/11/2000US6014571 Multiband mobile unit communication apparatus
01/11/2000US6014570 Efficient radio signal diversity combining using a small set of discrete amplitude and phase weights
01/11/2000US6014562 Radiotelephone communication systems and methods that map an access request into a predetermined random access channel slot to identify a nearest gateway to a radiotelephone
01/11/2000US6014553 Automatic gain control circuit for satellite communication transmitters
01/11/2000US6014550 Data transmission method, transmitter, and receiver
01/11/2000US6014548 Method and apparatus for facilitating detection of a synchronization signal generated by a satellite communication network
01/11/2000US6014546 Method and system providing RF distribution for fixed wireless local loop service
01/11/2000US6014413 Time-shifted weighting for signal processing
01/11/2000US6014406 Frequency-hopped wireless communication system and mobile wireless terminal
01/11/2000US6014376 Method for over-the-air synchronization adjustment in a communication system
01/11/2000US6014375 TDMA radio protocol with adaptive vocoder selection
01/11/2000US6014374 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
01/11/2000US6014373 Spread spectrum CDMA subtractive interference canceler system
01/11/2000US6014372 Antenna beam congruency system for spacecraft cellular communications system
01/11/2000US6014089 Method for transmitting data using a digital control channel of a wireless network
01/11/2000CA2164031C Transponder detection system for vehicles in toll collection lanes
01/11/2000CA2162417C Data rate detector for terminal station receiver
01/11/2000CA2145700C System and method for optimizing spectral efficiency using time-frequency-code slicing
01/11/2000CA2136408C Phased array spread spectrum system and method
01/06/2000WO2000001105A1 Method and apparatus for controlling communication system capacity
01/06/2000WO2000001103A1 Apparatus and method for protecting a communication device operating in an undesirable environment
01/06/2000WO2000001095A1 Method, apparatus and system for determining a location of a frequency synchronization signal
01/06/2000WO2000001094A1 Data transmission in a tdma system
01/06/2000WO2000001093A1 Radio communication device and transmitting power control method
01/06/2000WO2000001092A1 Non-recursively generated orthogonal pn codes for variable rate cdma
01/06/2000WO2000001091A1 Pn code selection for synchronous cdma
01/06/2000WO2000001090A1 Method for unobtrusive interception of satellite communication
01/06/2000WO2000001089A1 Interactive asymmetrical mobile communications network
01/06/2000WO2000001088A1 Adaptive transmitter/receiver
01/06/2000WO2000001087A1 A method for adaptively controlling a multi-channel data link
01/06/2000WO2000001086A1 Adaptable and controllable multi-channel data link
01/06/2000WO2000001085A2 Method and device for improving dfe performance in a trellis-coded system
01/06/2000WO2000001084A1 Power control in a multi-carrier radio transmitter
01/06/2000WO2000001082A1 Method and apparatus in a wireless communication system for dynamically formatting application data to be transmitted
01/06/2000WO2000001080A1 System, device, and method for initial ranging in a communication network
01/06/2000WO2000001078A1 A communication system for transmitting and demodulating a communication signal using an adaptive antenna array
01/06/2000WO1999057932A3 Method of measuring signal timing, and radio system
01/06/2000WO1999057919A3 Mobile radio base station with an adaptive antenna
01/06/2000WO1999056407A3 Transmission antenna diversity
01/06/2000CA2336267A1 System, device, and method for initial ranging in a communication network
01/06/2000CA2333609A1 Adaptive transmitter/receiver
01/06/2000CA2266149A1 An analog radio system with acoustic transmission properties
01/05/2000EP0969684A1 Method of providing service and data rate negotiation in a mobile communication system
01/05/2000EP0969683A1 Method of providing service and data rate negotiation in a mobile communication system
01/05/2000EP0969682A1 Air interface adaptation method in a mobile radio communication system, base station, mobile station and transmission mode therefor
01/05/2000EP0969679A2 Adjustable height ground level serviceable cellsite
01/05/2000EP0969635A2 Blind equalisation in receivers with both CAP and QAM modes
01/05/2000EP0969612A1 Mobile communication system
01/05/2000EP0969611A2 Apparatus for communicating diversity signals over a transmission medium
01/05/2000EP0969610A2 Code division multiple access communication with enhanced multipath diversity
01/05/2000EP0969609A2 Data transmission method and radio system
01/05/2000EP0969608A2 Channel estimation device for digital telecommunications stations
01/05/2000EP0969607A2 Satellite-based measurement for uplink power control and time synchronization
01/05/2000EP0969606A2 Dynamic power control with adaptive reference level
01/05/2000EP0969604A2 Signal to interference ratio estimation
01/05/2000EP0969603A2 Method and apparatus for receiving spread spectrum signal
01/05/2000EP0969438A2 Reproducing device
01/05/2000EP0969434A1 Wireless terminal automatically alerting user upon wireless terminal entering a specified physical location
01/05/2000EP0968618A2 Communications terminal and method for data transmission between a communications network and a communications terminal
01/05/2000EP0968608A1 Broadcast and reception system, and receiver/decoder and remote controller therefor
01/05/2000EP0968581A1 Using a receiver model to multiplex variable-rate bit streams having timing constraints
01/05/2000EP0968577A1 A system using leo satellites for centimeter-level navigation
01/05/2000EP0968576A1 Satellite telecommunications repeaters and retransmission methods
01/05/2000EP0968575A2 Transmission method and radio system
01/05/2000EP0968574A2 A method for combining signals, and a receiver
01/05/2000EP0968573A2 Method and arrangement for adjusting antenna pattern
01/05/2000EP0968490A1 Teaching apparatus for magnetic torque experiments
01/05/2000EP0968130A1 N-alkyl ammonium acetonitrile activators in dense gas cleaning and method
01/05/2000EP0832523B1 Communication method and apparatus using data compression
01/05/2000EP0671089B1 Method for digital half-duplex transmission
01/05/2000EP0621999B1 Dual mode communication network
01/05/2000DE19928982A1 Synchronizing local split code for signal test apparatus in code division multiple access system
01/05/2000DE19921947A1 Electromagnetic wave emission distribution monitoring procedure in mobile communication system
01/05/2000DE19827912A1 Verfahren zur Steuerung einer Funkzellengröße und Basisstation A method for controlling a radio cell size and base station
01/05/2000DE19827701A1 Verfahren zur digitalen Funk-Übertragung von Daten mehrerer Teilnehmer Method for digital radio transmission of data for several devices
01/05/2000CN1240562A Method and apparatus for updating a mobile unit
01/05/2000CN1240559A Method and system for produced power operation of cellular mobile terminals
01/05/2000CN1240547A Use of duplex cipher algorithms for satellite channels with delay
01/05/2000CN1240545A Method and system for optimizing a traffic channel in a wireless communications system
01/05/2000CN1240543A Circuit and method for controlling the power used by a portable radiotelephone
01/05/2000CN1240316A Portable terminal equipment for controlling receiving/transmitting phonetic electric level
01/05/2000CN1240272A Locating system and locating service invoking method for mobile communication system
01/05/2000CN1048139C Mobile radio communication system
01/04/2000US6012105 System for interfacing with an external accessory in one of two interface modes based on whether communication can be established with external accessory or not
01/04/2000US6011980 Wireless telecommunication equipment