Patents
Patents for H01Q 3 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system (21,949)
04/2004
04/06/2004US6717552 Communications antenna system and mobile transmit and receive reflector antenna
04/06/2004CA2099196C Satellite identification and antenna alignment
04/01/2004WO2004028033A1 Adaptive array radio communication apparatus, reception level displaying method, reception level adjusting method, reception level displaying program, and reception level adjusting program
04/01/2004WO2004028025A2 Method for determining interference in multiple antennae systems comprising adaptive antennae
04/01/2004WO2004027927A1 A system and method for the mitigation of multipath and the improvement of signal-to-noise ratios in time division multiple access(tdma) location networks
04/01/2004WO2004027926A1 Antenna device and transmitting/receiving device
04/01/2004WO2004027921A2 Multiple pattern antenna
04/01/2004WO2004013931A3 Economical method and device for easily pointing a satellite or terrestrial television antenna
04/01/2004WO2003094284A3 Moving antenna phase array systems related to multipath signals in global positioning applications, and methods of using
04/01/2004WO2003075469A3 System and method for antenna diversity using equal power joint maximal ratio combining
04/01/2004US20040063476 Mobile communication terminal
04/01/2004US20040063469 Antenna unit and radio base station therewith
04/01/2004US20040063467 Antenna arangements for flexible coverage of a sector in a cellular network
04/01/2004US20040061658 Variable shape antenna etching system and antenna formed thereby
04/01/2004US20040061654 Adjustable beamwidth and azimuth scanning antenna with dipole elements
04/01/2004US20040061653 Dynamically variable beamwidth and variable azimuth scanning antenna
04/01/2004US20040061645 Digital broadcasting service receiver for improving reception ability by switched beam-forming
04/01/2004US20040061644 CCE calibration with an array of calibration probes interleaved with the array antenna
04/01/2004US20040061639 Radar device and method for operating a radar device
04/01/2004DE20319829U1 Antenna lift with intermodulation prevention by selection of antenna lift construction design and materials
04/01/2004CA2499076A1 Multiple pattern antenna
04/01/2004CA2498905A1 A system and method for the mitigation of multipath and the improvement of signal-to-noise ratios in time division multiple access (tdma) location networks
03/2004
03/31/2004EP1403962A1 Method and apparatus for calibration-equalization of a reception system
03/31/2004EP1402597A1 Hyper-scanning digital beam former
03/31/2004EP1212809B1 Serially-fed phased array antennas with dielectric phase shifters
03/31/2004CN2609204Y Integrated quick steller hunting electric perspective axis antenna pedestal
03/31/2004CN1486544A Radio equipment, its signal receiving method, its filter coefficient measuring method and filter coefficient measurement program thereof
03/31/2004CN1486522A Direction-agile antenna system for wireless communications
03/31/2004CN1486521A Cavity antenna with reactive surface loading
03/31/2004CN1486106A Apparatus and method for selfadaptive beam forming of intelligent antenna
03/31/2004CN1144392C Wireless base station apparatus, and wireless transmission method
03/31/2004CN1144384C Transceiver and signal transmitting method thereof and user unit and receiving method
03/30/2004US6714773 Antenna switching in multiple radio terminal
03/30/2004US6714584 CDMA adaptive antenna receiving apparatus and communication system
03/30/2004US6714169 Compact, wide-band, integrated active module for radar and communication systems
03/30/2004CA2309009C Mobile communication system
03/25/2004WO2004025872A1 Method for calibrating smart antenna array in real time
03/25/2004WO2004025841A2 Techniques for correcting for phase and amplitude offsets in a mimo radio device
03/25/2004WO2004025780A1 Activation of an antenna assembly, whose transmission range is subdivided into sectors
03/25/2004WO2004025772A2 Phased array antenna including archimedean spiral element array and related methods
03/25/2004WO2004025321A1 Cce calibration with an array of calibration probes interleaved with the array antenna
03/25/2004WO2003088413A3 Low-cost trombone line beamformer
03/25/2004US20040058711 Radio reception apparatus and directivity reception method
03/25/2004US20040056813 Scanning antenna systems
03/25/2004US20040056800 Base station, base station module and method for estimating parameters of uplink signals
03/25/2004US20040056799 Phased array calibration using sparse arbitrarily spaced rotating electric vectors and a scalar measurement system
03/25/2004US20040056795 Downlink load sharing by beam selection
03/25/2004US20040056790 Millimeter wave imaging system
03/25/2004US20040056730 Tunable voltage controlled oscillator
03/25/2004CA2498676A1 Techniques for correcting for phase and amplitude offsets in a mimo radio device
03/25/2004CA2473099A1 Phased array antenna including archimedean spiral element array and related methods
03/24/2004EP1401121A2 Smart antennas for IMT-2000 code division multiple access wireless communications
03/24/2004EP1401049A1 Satellite antenna holder
03/24/2004EP1399989A1 Method and apparatus for transmitting signals via an active sampler antenna
03/24/2004EP1399987A2 Method for accurately tracking and communicating with a satellite from a mobile platform
03/24/2004EP1145375B1 Arrangement for aiming a radio link antenna
03/24/2004EP1062746B1 Practical space-time radio method for cdma communication capacity enhancement
03/24/2004EP0927362B1 Position determination using multiple base station signals
03/24/2004CN1484875A 分布天线系统 Distributed antenna system
03/24/2004CN1143455C Wireless telecommunication system, base station thereof and beam forming telecommunications method
03/24/2004CN1143453C Diversity aerial system and mobile communication terminal
03/24/2004CN1143452C Antenna-gain diversity
03/24/2004CN1143409C System and method for directing an adaptive antenna array
03/24/2004CN1143408C Radio antenna system
03/23/2004US6711382 Mobile communication system and communication method performed in the system
03/23/2004US6710751 Rotatable platform for lattice towers
03/23/2004US6710749 Satellite locator system
03/23/2004US6710747 Modulized antenna sleeve
03/23/2004US6710742 Active antenna roof top system and method
03/18/2004WO2004023666A1 Method and system for reducing the effect of signal-interference in null-areas caused by one or more antennas
03/18/2004WO2004023665A2 Vertical dynamic beam-forming
03/18/2004WO2004023601A1 Calibration device for a switchable antenna array and corresponding operating method
03/18/2004WO2004023600A1 Calibration device for an antenna array and method for calibrating said array
03/18/2004WO2004023566A1 Electrodes on a photoconductive substrate for generation and detection of terahertz radiation
03/18/2004WO2003091760A3 Opto-electronic ultra-wideband signal waveform generator and radiator
03/18/2004US20040053634 Adaptive pointing for use with directional antennas operating in wireless networks
03/18/2004US20040053589 Antenna assembly with a capability to remember the frequency of remote signals and to search for and memorize wireless frequency bands
03/18/2004US20040053582 Portable radio device having antenna switching function
03/18/2004US20040051678 Antenna
03/18/2004US20040051667 Microstrip patch array antenna for suppressing side lobes
03/18/2004US20040051658 Method of suppressing jammer signals
03/18/2004US20040051599 Method and apparatus for producing time-delayed microwave signals
03/18/2004US20040050551 Fracturing different levels within a completion interval of a well
03/18/2004DE20317980U1 Miniature planar satellite antenna housing unit has curved cross section radome with vertical hinge and azimuth drive rod
03/18/2004CA2498016A1 Vertical dynamic beam-forming
03/18/2004CA2497692A1 Method and system for reducing the effect of signal-interference in null-areas caused by one or more antennas
03/17/2004EP1398888A1 Adaptive array antenna reception apparatus and method
03/17/2004EP1398845A2 Spectrally efficient high capacity wireless communication systems
03/17/2004EP1397844A1 Diversity antenna and method for controlling the same
03/16/2004US6708100 Safe distance algorithm for adaptive cruise control
03/16/2004US6707433 Antenna device
03/16/2004US6707432 Polarization control of parabolic antennas
03/16/2004US6707419 Radar transmitter circuitry and techniques
03/16/2004CA2227522C Self-calibration apparatus and method for communication device
03/16/2004CA2204298C Circularly symmetric, zero redundancy, planar array having broad frequency range applications
03/11/2004WO2004021605A1 Beam-steering and beam-forming for wideband mimo/miso systems
03/11/2004WO2004021593A1 Transceiver apparatus for use in a multi-frequency communication system, base station of a multi-frequency communication system, method for use of the transceiver apparatus, method of transceiving a multi-frequency signal in a multi-frequency communication system
03/11/2004WO2004021513A1 Reduction of near ambiguities
03/11/2004WO2004021512A1 Method for enhancing the measuring accuracy in an antenna array
03/11/2004WO2004021508A2 Frequency selective beam forming