Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
06/1999
06/23/1999CN1220557A Baseband signal demodulating apparatus and method in mobile radio communication system
06/23/1999CN1220555A Transmission control method
06/23/1999CN1220532A Method of generating frequency-hopping sequence using concatenated codes, as well as radio facility and radio communication system therefor
06/23/1999CN1220528A CDMA mobile communications device
06/23/1999CN1220500A Data communication apparatus and data communication method
06/22/1999US5915227 Cordless telephone
06/22/1999US5915217 Worldwide telecommunications system using satellites
06/22/1999US5915216 Apparatus and method of transmitting and receiving information in a wireless telecommunications system
06/22/1999US5915215 Private cellular telephone system
06/22/1999US5915211 Radio conference system and terminal unit therefor
06/22/1999US5915208 Vehicular repeater system and method therefor
06/22/1999US5915207 Mobile and wireless information dissemination architecture and protocols
06/22/1999US5915020 Portable satellite earth station
06/22/1999US5914961 Fixed wireless loop system having dual direct synthesizer
06/22/1999US5914958 Fast call setup in a CDMA dispatch system
06/22/1999US5914948 Mobile radio system with time-division multiplexing
06/22/1999US5914947 Mobile radio communication system which allocates spread codes mobiles which are able to determine the distance between a mobile and a base station
06/22/1999US5914946 TDM-based fixed wireless loop system
06/22/1999US5914944 Method of improving efficiency of radio channel usage in overlapping coverage areas
06/22/1999US5914942 Satellite communications system with dual mode bandwidth control
06/22/1999US5914933 For wireless transmission of blocks of data
06/22/1999US5914932 Reception method of a multicarrier system
06/22/1999US5914688 For transmission and reception of electromagnetic signals
06/22/1999CA2174177C Cell site testing method for portable radio communication system
06/17/1999WO1999030525A1 System, method and apparatus for handling high-power notification messages
06/17/1999WO1999030520A1 Radio transmission from a communication station with an antenna array to provide a desirable radiation pattern
06/17/1999WO1999030519A1 Base station synchronization method and cellular system
06/17/1999WO1999030451A1 Fixed wireless loop system having dual direct synthesizer
06/17/1999WO1999030448A1 Method and apparatus for predicting signal characteristics in a wireless communication system
06/17/1999WO1999030442A1 Mobile communication system
06/17/1999WO1999030440A1 S-cdma fixed wireless loop system employing subscriber unit/radio base unit super-frame alignment
06/17/1999WO1999030438A2 Reception method and receiver
06/17/1999WO1999030437A1 Key transforms to discriminate between beams in a multi-beam satellite communication system
06/17/1999WO1999030436A1 Exchange of communication traffic in a satellite communication system
06/17/1999WO1999030435A1 Method and system for dual path demodulation of digital radio signals
06/17/1999WO1999030433A1 Spread spectrum multipath demodulator for a multichanel communication system
06/17/1999WO1999030431A1 Multiband modem for use in operating a multiband two way communications system
06/17/1999WO1999030429A1 Distributed radio telephone for use in a vehicle
06/17/1999WO1999030422A2 Process for operating a telecommunication terminal, telecommunication terminal and radio module
06/17/1999WO1999030234A1 Waveform and frame structure for a fixed wireless loop synchronous cdma communications system
06/17/1999WO1999017499A3 Legal interception in a telecommunications network
06/17/1999WO1999017465A3 Method for improving radio connection quality in radio system
06/17/1999WO1999017463A3 Received signal strength determination method, apparatus and computer program products
06/17/1999WO1999008397A3 Method and apparatus for predictive power control with loop delay
06/17/1999WO1999001994A3 A subscriber unit and method for use in a wireless communication system
06/17/1999WO1998059449A3 A method and system for wireless communication
06/17/1999WO1998037654A3 Vertical adaptive antenna array for a discrete multitone spread spectrum communications system
06/17/1999DE19852454A1 Reception improving device for radio signals
06/17/1999DE19755832A1 Generation of frequency hopping sequence for radio communication
06/17/1999CA2313548A1 Key transforms to discriminate between beams in a multi-beam satellite communication system
06/17/1999CA2313453A1 Spread spectrum multipath demodulator for a multichanel communication system
06/17/1999CA2313044A1 Method and apparatus for predicting signal characteristics in a wireless communication system
06/16/1999EP0923260A1 Control information assigning method, control method, transmitting method, receiving method, transmitter and receiver
06/16/1999EP0923259A2 Cellular networks with spare base and satellite stations
06/16/1999EP0923216A1 Docking station for mobile telecommunication handset
06/16/1999EP0923213A2 Compensation of nonlinearlities in transmitters using quadrature modulation
06/16/1999EP0923207A2 Reception synchronization circuit, receiver using the same, and digital communication system
06/16/1999EP0923206A1 Data transmission frame of a variable length and devices for sending and receiving such frames
06/16/1999EP0923203A2 Radio apparatus for the transmission of a radio signal via an antenna array to a mobile station in a mobile radio system
06/16/1999EP0923202A2 Power control information transmitting method and transmitting and receiving apparatus
06/16/1999EP0923199A2 CDMA Interference canceller
06/16/1999EP0923155A1 Adaptive array antenna
06/16/1999EP0923033A1 Information transmission method and information transmitter
06/16/1999EP0922373A1 Radio communications systems and methods for jittered beacon transmission
06/16/1999EP0922370A1 Multi-mode mobile station supporting multiple cellular telephone system operation with limited subscriber identity module card
06/16/1999EP0922350A2 Communication system having diversity in an orthogonal frequency division multiplexing environment and operating method therefor
06/16/1999EP0922340A1 Fast associated control channel technique for satellite communications
06/16/1999EP0922339A1 Method and apparatus for acquiring low duty-cycle reference signals in a mobile communications environment
06/16/1999EP0922338A1 Method and apparatus for improving the link margin in wireless communications
06/16/1999EP0922337A2 Adaptive communication system and method using unequal weighting of interference and noise
06/16/1999CN1220071A Method and apparatus for reducing co-channel interference
06/16/1999CN1220063A Synchronization method, and associated circuitry, for synchronizing receiver with transmitter
06/16/1999CN1220056A Method for automatically regulating audio response for improved intelligibility
06/16/1999CN1219830A Geographical information system and method
06/16/1999CN1219828A Method of transmission power control in mobile communication system
06/16/1999CN1219827A Adaptive frequency channel assignment based on battery power level in wireless access protocols
06/15/1999US5913177 Traffic distribution analysis in a land mobile radio system
06/15/1999US5913171 Synchronizing a mobile station transmission
06/15/1999US5913164 Conversion system used in billing system for mobile satellite system
06/15/1999US5913163 Integrated local communication system
06/15/1999US5913162 Cell test in a cellular telecommunication network
06/15/1999US5913151 Small antenna for receiving signals from constellation of satellites in close geosynchronous orbit
06/15/1999US5912966 Enhanced echo canceller for digital cellular application
06/15/1999US5912932 Apparatus and methods for decoding a communication signal
06/15/1999US5912927 Multi-channel transmitter having an adaptive antenna array
06/15/1999US5912925 Diversity circuit for magnetic communication system
06/15/1999US5912919 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
06/15/1999US5912886 Digital mobile communication system capable of establishing mutual synchronization among a plurality of radio base stations
06/15/1999US5912883 System for remote access to computer network
06/15/1999US5912641 Indoor satellite cellular repeater system
06/15/1999US5912632 Single chip RF tag oscillator circuit synchronized by base station modulation frequency
06/15/1999US5911389 Wave based satellite constellation
06/15/1999CA2147312C Apparatus and method for dynamic resource allocation in wireless communication networks utilizing ordered borrowing
06/15/1999CA2145705C Controlling power and access of wireless devices to base stations which use code division multiple access
06/10/1999WO1999029133A1 Device and method for performing handoff in mobile communication system
06/10/1999WO1999029054A1 Packet-switched spread-spectrum system
06/10/1999WO1999029053A1 System and method for reducing the number of information handovers in a network
06/10/1999WO1999029052A1 Method for data transfer between a ground station and satellites and array for implementing said method
06/10/1999WO1999029051A1 Wireless repeater using polarization diversity in a wireless communications system
06/10/1999WO1999029050A1 Method and apparatus for obtaining transmit diversity using switched antennas