Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 7 - Radio transmission systems, i.e. using radiation field
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
05/1999
05/14/1999WO1998051048A3 Communication system having diversity in an orthogonal frequency division multiplexing environment and operating method therefor
05/14/1999WO1998049786A3 Adaptive communication system and method using unequal weighting of interference and noise
05/14/1999EP0922350A3 Communication system having diversity in an orthogonal frequency division multiplexing environment and operating method therefor
05/14/1999CA2561782A1 Communication station with multiple antennas
05/14/1999CA2308483A1 Method and apparatus for tracking a communication signal in a wireless communication system
05/12/1999EP0915632A2 Adaptive frequency channel assignment based on battery power level in wireless access protocols
05/12/1999EP0915629A2 Communication terminal device, cellular radio communication system, and information communication method
05/12/1999EP0915628A2 Cellular wireless communication system with fixed terminals
05/12/1999EP0915592A1 Method for admitting new connections based on usage priorities in a multiple access system for communications networks
05/12/1999EP0915579A1 Base for cordless digital data terminal and associated terminal
05/12/1999EP0915578A2 TDMA mobil digital telecommunication system
05/12/1999EP0915577A2 System for using of mobil telephones in an traffic aircraft
05/12/1999EP0915576A1 Transmission of notification signals to user terminals in a telecommunications network
05/12/1999EP0915575A1 Frequency-sharing mobile communication system equipped with diversity receiver incorporated with shared-wave canceler
05/12/1999EP0915530A2 Polarization selecting circuit
05/12/1999EP0915529A1 Positionable satellite antenna with reconfigurable beam
05/12/1999EP0915452A2 Voice reproduction apparatus and voice reproduction system
05/12/1999EP0914744A1 Direct broadcasting satellite architecture for video-on-demand and interactive services
05/12/1999EP0914727A1 Short-range radio communications system and method of use
05/12/1999EP0914726A1 Process and arrangement for operation of time division multiple access (tdma) radio systems
05/12/1999EP0914725A1 Communications blockage environment response method and apparatus
05/12/1999EP0914724A2 Diversity combining method, and receiver
05/12/1999EP0914723A1 A signal processing method utilizing an eigenvector corresponding to the maximum eigenvalue of an autocorrelation matrix of received signals for an antenna array system
05/12/1999EP0914722A1 Power control method of discontinuous transmission
05/12/1999EP0914721A2 Echo canceler for non-linear circuits
05/12/1999EP0729679A4 Device and method for efficient timing estimation in a digital receiver
05/12/1999EP0671111B1 Radio system and a subscriber terminal for a radio system
05/12/1999EP0670098B1 Method for making a handover in a cdma cellular radio system, and a mobile station
05/12/1999DE19749665A1 Data transmission method for mobile communications system radio interface
05/12/1999DE19748681A1 Netzwerk zur Übertragung von Daten mit mobilen Datenübertragungseinrichtungen Network for the transmission of data from mobile data transmission equipment
05/12/1999CN1216664A Hand-over method
05/12/1999CN1216652A Adaptive encoding mode control method and apparatus in a TDMA radio communication system
05/12/1999CN1216648A Frame sychronizing circuit
05/12/1999CN1216647A Method for estimating impulse response, and receiver
05/12/1999CN1216432A Grouping and ungrouping among sectors using PN offset
05/11/1999US5903862 Method and apparatus for detection of tandem vocoding to modify vocoder filtering
05/11/1999US5903853 Radio transceiver including noise suppressor
05/11/1999US5903841 System and method for simplified handoff operation in a cellular mobile communication system
05/11/1999US5903837 Wireless telephone/satellite roaming method
05/11/1999US5903836 Satellite communication charging system
05/11/1999US5903835 Satellite communications adapter for cellular handset
05/11/1999US5903827 Single balanced frequency downconverter for direct broadcast satellite transmissions and hybrid ring signal combiner
05/11/1999US5903821 Portable telephone with microstrip antennas
05/11/1999US5903621 For use with a satellite communications system
05/11/1999US5903614 Communication method and receiving apparatus
05/11/1999US5903610 Method and apparatus for channel estimation
05/11/1999US5903597 Suppression on multipath signal effects
05/11/1999US5903596 Spread spectrum demodulation unit
05/11/1999US5903592 Radio transmission system
05/11/1999US5903573 Apparatus for reducing transmission capacity
05/11/1999US5903554 Method and apparatus for measuring link quality in a spread spectrum communication system
05/11/1999US5903551 Multi-user acquisition procedure for point-to-multipoint synchronous CDMA systems
05/11/1999US5903550 Method and system for parallel demodulation of multiple chips of a CDMA signal
05/11/1999US5903549 Ground based beam forming utilizing synchronized code division multiplexing
05/11/1999US5903545 Responsive routing control method and apparatus
05/11/1999US5903238 Radio station for mobile communication systems and method for the selection of a transmission means
05/11/1999US5903237 Antenna pointing aid
05/11/1999CA2175749C Saturation prevention system for radio telephone with open and closed loop power control system
05/11/1999CA2119983C Communication system
05/11/1999CA2098580C Method and apparatus for reducing interference in a radio communication link of a cellular communication system
05/11/1999CA2089379C Data transfer method and apparatus for communication between a peripheral and a master
05/07/1999CA2250515A1 Cellular wireless communication system for communication between base stations and mobile or fixed terminals
05/06/1999WO1999022547A2 Wireless communication system in which virtual links have a variable transmission capacity
05/06/1999WO1999022536A2 A battery-operated communications device
05/06/1999WO1999022534A1 Multimode communication system and method for communication
05/06/1999WO1999022533A1 Method and base station for providing user signals for measuring power in a radiocommunications system
05/06/1999WO1999022531A2 Base station and receiver for a mobile communication system with tdma components
05/06/1999WO1999022529A1 Multiple access satellite communications network
05/06/1999WO1999022527A2 Method and arrangement for transmitting data over a radio interface in a radiocommunications system
05/06/1999WO1999022497A1 Telecommunication systems
05/06/1999WO1999022486A1 Method for digital signing of a message
05/06/1999WO1999022483A1 Methods and arrangement for transmitting data via a radio interface in a radiocommunications system
05/06/1999WO1999022479A1 Method and radio station for time synchronization of radio stations in a radio communication system
05/06/1999WO1999022478A1 Cdma dispatch system
05/06/1999WO1999022474A2 Telecommunication system for wireless telecommunication with a cdma, fdma and tdma multiple access component
05/06/1999WO1999022470A2 Transmission/reception process and device and radio communications system for data transmission
05/06/1999WO1999022469A2 Method for transmitting data, a control device and a radio station
05/06/1999WO1999022468A1 Method for transmitting information via a radio interface and corresponding transmitting device and receiving device
05/06/1999WO1999022467A1 Method, mobile station and base station for transmitting information via a radio interface of a mobile communications system
05/06/1999WO1999022465A1 Non-terrestrial cellular mobile telecommunication station
05/06/1999WO1999022463A1 Limiting an interval of carrier cancellation and reducing errors caused by intersymbol interference during a simulcast transmission
05/06/1999WO1999022462A1 Method, mobile station and base station for establishing connections in a radiocommunications system
05/06/1999WO1999022461A2 Method and receiver for transmitting data in a communication system
05/06/1999WO1999022454A2 Estimation of transmission channels in communication systems for wireless telecommunication
05/06/1999WO1999022446A1 Improved power control of rf signals
05/06/1999WO1999022422A1 Terminal antenna for communications systems
05/06/1999WO1999022079A1 Remote radio operating system, and remote operating apparatus, mobile relay station and radio mobile working machine
05/06/1999WO1999014963A3 Data transmission method in gprs
05/06/1999WO1999009676A3 Method of optimizing transmission, and transmitter
05/06/1999WO1999008421A3 Wireless network
05/06/1999WO1999008399A9 A method of and apparatus for controlling transmission signal power of communication signals in a communication system
05/06/1999EP0914014A1 Radio communication system, mobile station and method for system selection among systems with the same area coverage
05/06/1999EP0913984A2 Digital telecommunications system with DECT interface for fax and data applications
05/06/1999EP0913972A2 Multicarrier radio communication system
05/06/1999EP0913968A1 Method for admitting new connections based on measured quantities in a multiple access system for communications networks
05/06/1999EP0913959A1 Circuit of FM signal repeaters
05/06/1999EP0913958A2 Diversity reception apparatus
05/06/1999EP0913957A1 Power control for mobile wireless communication system
05/06/1999EP0913953A2 CDMA reception apparatus
05/06/1999EP0913936A2 Communication system with frequency control circuit
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