Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
02/2001
02/07/2001EP1073962A1 Comprehensive global information network broadcasting system and implementation thereof
02/07/2001EP1025653A4 Method for measurement and reduction of frequency offsets in distributed satellite/wireless networks and corresponding communications system
02/07/2001EP1016237A4 Asymmetric satellite-based internet service
02/07/2001EP0960490A4 Method for acquisition and synchronization of terminals in a satellite/wireless tdma system
02/07/2001EP0826273A4 Method and apparatus for power control in a communication system
02/07/2001CN1283378A Communication system
02/07/2001CN1283374A Method device and terminal for mobile radio communication
02/07/2001CN1283349A Method and arrangement for transmitting data over radio interface in radiocommunications system
02/07/2001CN1283346A Methods and arrangement for transmitting data via radio interface in radiocommunications system
02/07/2001CN1283340A Local wireless communications system with external communications link
02/07/2001CN1283338A Method, mobile station and base station for establishing connections in radiocommunications system
02/07/2001CN1283316A Terminal antenna for communications system
02/07/2001CN1283061A Telephone equipment telecommunication system and synchronous telephone equipment and method of base station
02/07/2001CN1283056A Single-carrier-frequency diversity receiver of GSM base station
02/07/2001CN1283052A Pseudo-random frequency distribution
02/07/2001CN1283018A Device and method for searching position of mobile equipment
02/07/2001CN1283015A PHS mobile database system based on V5 interface and its calling method
02/07/2001CN1283014A Primary search control method, mobile station and mobile communication system
02/07/2001CN1283013A Integrated mobile information service method
02/07/2001CN1283012A Antenna switching circuit and method in multi-path radio terminal
02/07/2001CN1283011A Information set
02/07/2001CN1283010A Spread spectrum transmission device including data receiver
02/07/2001CN1283005A Modulating method used for receiver
02/06/2001US6185630 Device initializing system with programmable array logic configured to cause non-volatile memory to output address and data information to the device in a prescribed sequence
02/06/2001US6185440 Method for sequentially transmitting a downlink signal from a communication station that has an antenna array to achieve an omnidirectional radiation
02/06/2001US6185432 System and method for selecting power control modes
02/06/2001US6185431 Mobile station closed loop output power stability system for weak signal conditions
02/06/2001US6185430 Voice call group function for a satellite based air traffic control system
02/06/2001US6185429 Method and apparatus for performing a time synchronization of a base site
02/06/2001US6185424 System for TDMA mobile-to-mobile VSELP CODEC bypass
02/06/2001US6185409 Network engineering/systems engineering system for mobile satellite communication system
02/06/2001US6185408 Method and apparatus for mitigating the effects of a communications channel using polarized signals
02/06/2001US6185407 Method for evaluating performance of a low earth orbit satellite system
02/06/2001US6185298 Telephone having a speech ban limiting function
02/06/2001US6185283 Telephone system providing personalized telephone features
02/06/2001US6185266 Method and system for generating a power control metric in an orthogonal transmit diversity communication system
02/06/2001US6185265 System for time division multiplexing broadcast channels with R-1/2 or R-3/4 convolutional coding for satellite transmission via on-board baseband processing payload or transparent payload
02/06/2001US6185258 Transmitter diversity technique for wireless communications
02/06/2001US6185244 Cell searching in a CDMA communications system
02/06/2001US6185208 Method and apparatus for fragmenting messages for a wireless network using group sharing of reference numbers
02/06/2001US6185202 Point-to-multipoint radio transmission system
02/06/2001US6185201 Multiplex radio transmitter and multiplex radio transmission method, multiplex radio receiver and multiplex radio receiving method, and multiplex radio transceiver and multiplex transmission/receiving system
02/06/2001US6185199 Method and apparatus for data transmission using time gated frequency division duplexing
02/06/2001US6185198 Time division multiple access downlink personal communications system voice and data debit billing method
02/06/2001US6185197 Control message transmission in telecommunications systems
02/06/2001US6185195 Methods for preventing and detecting message collisions in a half-duplex communication system
02/06/2001US6185182 Power sharing amplifier system for a cellular communications system
02/06/2001US6184920 Picture signal transmitting system using CATV network in which the local oscillator is transmitted separately
02/06/2001US6184824 Process for initializing a receiver for determining position and corresponding receiver
02/06/2001US6183665 Granular N-alkyl ammonium acetonitrile compositions
02/06/2001CA2314949A1 Dynamic home agent system for wireless communication systems
02/06/2001CA2314777A1 Smart mobile assisted handoff method
02/06/2001CA2313596A1 Method and apparatus for providing enhanced communication capability for mobile devices on a virtual private network (vpn)
02/06/2001CA2203298C Traffic management methods for mitigation of interference between signals of satellite systems in relative motion
02/06/2001CA2091785C Synchronous spread spectrum communications system and method
02/06/2001CA2091784C Spread spectrum cdma communications system
02/06/2001CA2069003C Remote access telephone control system
02/06/2001CA2061872C Split-window time-alignment
02/02/2001CA2314430A1 A method for maintaining a communication link in wireless network groups
02/01/2001WO2001008439A1 Mobile station supervision of the forward dedicated control channel when in the discontinuous transmission mode
02/01/2001WO2001008434A1 A system and method of communicating operating capabilities in a telecommunication network
02/01/2001WO2001008426A2 Multiplexing of real time users and non-priority users on an egprs channel
02/01/2001WO2001008387A1 Distributed radio telephone for use in a vehicle
02/01/2001WO2001008379A1 Communication device and display control device
02/01/2001WO2001008364A1 Method for the adaptive adjustment of an equaliser coefficient
02/01/2001WO2001008344A2 Method and apparatus for sequentially synchronizing a radio network
02/01/2001WO2001008329A1 Base station transmitter and cdma mobile communication system comprising the same
02/01/2001WO2001008327A1 Method for the multiple use of speech channels in a telecommunications system and devices for carrying out the method
02/01/2001WO2001008326A1 Chip-synchronous cdma multiplexer and method resulting in constant envelope signals
02/01/2001WO2001008325A1 Method and apparatus for estimating reverse link loading in a wireless communication system
02/01/2001WO2001008324A1 Method and appartus for controlling transmission gated communication system
02/01/2001WO2001008323A1 Method and apparatus for reducing frame error rate
02/01/2001WO2001008322A1 Initial uplink and downlink power level assignment in a radio telecommunications network
02/01/2001WO2001008319A1 Radio device with distortion compensation
02/01/2001WO2001008315A2 Method for increasing the coverage area of a base station
02/01/2001WO2001008136A1 Method for decreasing the processing capacity required by speech encoding and a network element
02/01/2001WO2000064070A3 Power setting in cdma systems employing discontinuous transmission
02/01/2001WO2000062560A3 Support for features associated with a subscriber in networks with a gateway location register and a visitor location register
02/01/2001WO2000060784A8 Method and apparatus for remote update of clients by a server via broadcast satellite
02/01/2001WO2000054424A3 Method and apparatus for efficient synchronization in spread spectrum communications
02/01/2001DE19933813A1 Code-fine synchronization for wireless information system involves using Tau-Dither-Early-Late-tracking loop for code synchronization; correlation result is also used for data demodulation
02/01/2001DE19933318C1 Verfahren zur drahtlosen Übertragung von Nachrichten zwischen einem fahrzeuginternen Kommunikationssystem und einem fahrzeugexternen Zentralrechner Method for wireless transmission of messages between an in-vehicle communication system and a vehicle-external central computer
02/01/2001CA2380353A1 Signal transmission device of base station and cdma movable communication system using same
02/01/2001CA2380015A1 A system and method of communicating operating capabilities in a telecommunication network
02/01/2001CA2378626A1 Method and apparatus for sequentially synchronized network
02/01/2001CA2378619A1 Multiplexing of real time users and non-priority users on an egprs channel
01/2001
01/31/2001EP1073301A1 Medium allocation method
01/31/2001EP1073299A1 Device for selecting a channel
01/31/2001EP1073298A2 Mobile communication device and mobile communication method
01/31/2001EP1073297A2 Cluster structured mobile communication system, base station, cluster control station, line control station and mobile station
01/31/2001EP1073289A2 Broadcast communication method, mobile communication system and mobile station using the broadcast communication method
01/31/2001EP1073275A2 Wireless communication system for video packet transmission
01/31/2001EP1073233A2 Method and apparatus for performing a key update using bidirectional validation
01/31/2001EP1073229A1 Demodulation method for receiver
01/31/2001EP1073218A2 Wireless communication apparatus
01/31/2001EP1073217A2 Time slot assignment method
01/31/2001EP1073216A2 Method for synchronizing base stations of a radio communication system
01/31/2001EP1073215A1 Telephone device, telecommunication system and method for the synchronisation of a telephone device with a base station
01/31/2001EP1073214A1 Radio communication system, transmitter and receiver
01/31/2001EP1073213A1 Transmitter power control for mobile equipment using variable step size