Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
02/1999
02/16/1999US5872808 Apparatus and method for synchronization of direct sequence CDMA signals
02/16/1999US5872801 Method of compensating for doppler error in a wireless communications system, such as for GSM and IS54
02/16/1999US5872775 Method and apparatus for performing rate determination
02/16/1999US5872774 Mobile station assisted timing synchronization in a CDMA communication system
02/16/1999US5872548 Space/angle diversity configurations for cellular antennas
02/16/1999US5872522 Communications system
02/16/1999US5872518 Wireless selective calling receiver with a method and a system for releasing a frequency channel lock
02/16/1999US5872481 Efficient parallel-stage power amplifier
02/16/1999US5871181 Artificial satellite communication system
02/16/1999CA2139047C Combining circuit for a diversity receiving system
02/16/1999CA2093975C Apparatus and method for non-regular channel assignment in wireless communication networks
02/16/1999CA2092610C Transmitting and receiving system in base station
02/16/1999CA2088753C Point-to-multipoint communication network capable of retransmitting a multicast signal
02/16/1999CA1340400C Vehicle data system
02/11/1999WO1999007165A1 Extending battery life in electronic apparatus
02/11/1999WO1999007164A2 Method and apparatus for processing multi-protocol communications
02/11/1999WO1999007135A1 Method and apparatus for reporting status information in a fixed wireless terminal
02/11/1999WO1999007105A2 Power adaptation in a multi-station network
02/11/1999WO1999007090A1 Method and apparatus for transmitting signals in a communication system
02/11/1999WO1999007089A1 Rapidly decorrelating spreading sequences for ds-cdma transceivers
02/11/1999WO1999007085A2 Method and radio station for transmitting data
02/11/1999WO1999007084A2 Method and radio station for transmitting data
02/11/1999WO1999007083A1 Method and apparatus for reducing signal blocking and fading through use of a dual satellite coverage
02/11/1999WO1999007075A2 Data transmission method and system
02/11/1999WO1999007065A1 Systems and methods for automatic deviation setting and control in radio transmitters
02/11/1999WO1998048527A3 Echo cancellation mechanism
02/11/1999WO1998045967A3 Reducing interference in a mobile communications system
02/11/1999WO1998043374A3 A method of and apparatus for processing variable rate data for transmission in a fixed rate transmission medium
02/11/1999WO1998042112A3 Communications terminal and method for data transmission between a communications network and a communications terminal
02/11/1999WO1998042087A3 Method for transmitting information to a mobile part of a satellite telecommunications system
02/11/1999WO1997007603A3 Synchronizing a telecommunications connection in a mobile communications system
02/11/1999DE19834115A1 Data transmission network operation method
02/11/1999DE19733860A1 Einrichtung zur Datenübertragung in Mobilfunknetzen Means for transmitting data in mobile communications networks
02/11/1999DE19730984A1 Funk-Übertragungsverfahren und Schnurlostelefon, insbesondere für DECT-Standard Wireless communication systems and cordless phone, especially for DECT standard
02/11/1999CA2298716A1 Method and radio station for data transmission
02/11/1999CA2298550A1 Method and apparatus for reporting status information in a fixed wireless terminal
02/11/1999CA2296309A1 Systems and methods for automatic deviation setting and control in radio transmitters
02/10/1999EP0896492A1 A method and an arrangement supporting propagation delay compensation
02/10/1999EP0896489A2 Power save in a digital wireless telephone system
02/10/1999EP0896455A1 Non-coherent 6-port receiver
02/10/1999EP0896443A1 Digital radio communication station
02/10/1999EP0896442A1 Frame transmitter-receiver
02/10/1999EP0896441A2 CDMA receiver with antenna array
02/10/1999EP0896440A2 Diversity receiver for radio communication system and method
02/10/1999EP0896439A2 Transmission power control device capable of varying a transmission power at a wide range
02/10/1999EP0896438A1 Rake receiver finger assignment avoiding path tracking duplication
02/10/1999EP0895701A1 Method for optimising coverage by reshaping antenna pattern
02/10/1999EP0895683A1 System for radio transmission of digital signals between a plurality of subscriber stations and a base station
02/10/1999EP0895678A2 Method and apparatus for antenna realignment in a mobile radiotelephone using an injected audio signal
02/10/1999EP0895677A2 Method and arrangement for synchronization of radio receivers in a cellular system
02/10/1999EP0895676A1 Code-rate increased compressed mode ds-cdma systems and methods
02/10/1999EP0895675A1 Multi-code compressed mode ds-cdma systems and methods
02/10/1999EP0895600A1 Method and apparatus for covariance matrix estimation in a weighted least-squares location solution
02/10/1999EP0895599A2 Spread spectrum receiver with multi-bit correlator
02/10/1999EP0682835A4 Paging system and method with acknowledge back signaling using a radio telephone system.
02/10/1999CN1207853A Point-multipoint radio transmission system
02/10/1999CN1207839A Wireless packet data distributed communications system
02/10/1999CN1207838A Method of improving efficiency of radio channel usage in overlapping coverage areas
02/10/1999CN1207641A Mobile communication device, power-supply unit and power-supply method of mobile communication device, and data terminal connection card equipment connectable to mobile communication device
02/10/1999CN1207616A Clock synchronization maintaining method and synchronization device for implementing the same in synchronous distributed network system
02/10/1999CN1207615A Active repeater for transmission system
02/10/1999CN1042084C Method for increasing possibility of receiving information from satellite system for selective calling receiver
02/09/1999US5870684 Radio communication apparatus with adjustable alert tone
02/09/1999US5870680 Method and an apparatus for placing devices on standby in a system including a portable mobile telephone connected to a peripheral device
02/09/1999US5870666 Radio channel estimation based on BER and RSSI
02/09/1999US5870665 Mobile satellite communication terminal
02/09/1999US5870615 Automatic cellular phone battery charging by mobile personal computer using configuration write data and storage element for charging in accordance to battery charging parameter
02/09/1999US5870426 Grouping of spread spectrum acknowledgement pagers to minimize transmission collisions
02/09/1999US5870396 Output queueing in a broadband multi-media satellite and terrestrial communications network
02/09/1999US5870393 Spread spectrum communication system and transmission power control method therefor
02/09/1999US5870391 Wireless communication system using frequency hopping, and method of controlling the system
02/09/1999US5870389 Method and apparatus for reducing power consumption in wireless, mobile communicating devices
02/09/1999US5870377 Satellite communications systems using a cross-connect switch
02/09/1999US5870216 Splitterless optical broadcast switch
02/09/1999US5870214 Free space communications system employing line of sight radiation
02/09/1999US5870063 Spacecraft with modular communication payload
02/09/1999US5869986 Power level sense circuit
02/09/1999US5868806 Abrasive tape and method of producing the same
02/09/1999CA2127616C Mobile communication unit
02/09/1999CA2100905C Radio paging receiver using an air battery
02/08/1999CA2244562A1 Digital radio communication station
02/07/1999CA2243447A1 Single-channel and multichannel coherent demodulation devices with no controller, and corresponding reception set with several paths of variety
02/04/1999WO1999005880A2 Method and radio communication system for transmitting information via atm cells
02/04/1999WO1999005833A1 Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems
02/04/1999WO1999005832A1 Methods and apparatus for canceling adjacent channel signals in digital communications systems
02/04/1999WO1999005808A1 Method and apparatus for adjusting a power control setpoint threshold in a wireless communication system
02/04/1999WO1999005801A2 Method and apparatus for data transmission using time gated frequency division duplexing
02/04/1999WO1999005800A1 Multiple spreading codes in satellite communication systems
02/04/1999WO1999005799A1 Wireless fleet communications system for providing separable communications services
02/04/1999WO1999005798A1 Radio communication system
02/04/1999WO1999005781A1 Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal
02/04/1999WO1999005755A1 Antenna network for base station radiocommunication with mobile telephones
02/04/1999WO1999005584A2 Internet caching system
02/04/1999WO1998053561A3 Method of determining transmission direction, and radio system
02/04/1999WO1998052365A3 Subscriber unit with plural control and data sources for cdma wireless communication system
02/04/1999WO1998052298A3 Method for adjusting power of transmitter, and control arrangement
02/04/1999WO1998051103A3 Wireless communication system supporting multiple frequency bands and multiple protocols
02/04/1999WO1998049839A3 A data transmission method and base station for a tdma radio system
02/04/1999WO1998049780A3 Frequency hopping communication system
02/04/1999DE19752200C1 Digital signal transmission system in radio subscriber connection network