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US Patents
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Enabling digital beamforming techniques for rf systems having short repetitive synchronization sequences
US7609206
-
Oct 27, 2009
Electrically steerable phased array antenna system
US7609205
-
Oct 27, 2009
Antenna beam forming systems/methods using unconstrained phase response
US20090231187
-
Sep 17, 2009
Method and system for providing a covert warning notification of a hazard to an aircraft
US7590475
-
Sep 15, 2009
Intelligent interface for controlling an adaptive antenna array
US7580674
-
Aug 25, 2009
Mimo-ofdm wireless communication system
US20090195453
-
Aug 06, 2009
Steering matrix feedback for beamforming
US7570210
-
Aug 04, 2009
Array structure for the application to wireless switch of wlan and wman
US7567213
-
Jul 28, 2009
System and method for antenna tracking
US20090174601
-
Jul 09, 2009
Method and system for generating multiple radiation patterns using transform matrix
US7548764
-
Jun 16, 2009
Systems and methods for improving performance of multiple spatial communication channels
US7548730
-
Jun 16, 2009
Method for separating interfering signals and computing arrival angles
US7539273
-
May 26, 2009
Adaptive antenna beamforming
US20090121936
-
May 14, 2009
Beamforming multiple-input multiple-output hybrid automatic repeat request retransmission
US20090102715
-
Apr 23, 2009
Shared phased array cluster beamformer
US7511666
-
Mar 31, 2009
Method and apparatus for adaptive direction estimation of radio waves
US20090079635
-
Mar 26, 2009
Wireless communication apparatus using fast fourier transforms to create, optimize and incorporate a beam space antenna array in an orthogonal frequency division multiplexing receiver
US20090058726
-
Mar 05, 2009
Low complexity blind beamforming weight estimation
US20090051594
-
Feb 26, 2009
System and method for efficient transmit and receive beamforming protocol with heterogeneous antenna configuration
US20090046010
-
Feb 19, 2009
Transmitting apparatus and method
US20090046009
-
Feb 19, 2009
Modular electronic architecture
US7492325
-
Feb 17, 2009
Weight determining apparatus, a weight determination method, a radiation power measuring apparatus, and a radiation power measuring method
US7474905
-
Jan 06, 2009
Electronically scanned antenna
US7474263
-
Jan 06, 2009
Wireless communication apparatus and method using beamforming
US20080316099
-
Dec 25, 2008
Wireless communication apparatus for determining direction of arrival information to form a three-dimensional beam used by a transceiver
US20080303718
-
Dec 11, 2008
Antenna beam steering and tracking techniques
US7463191
-
Dec 09, 2008
Retro-directive ground-terminal antenna for communication with geostationary satellites in slightly inclined orbits
US20080291083
-
Nov 27, 2008
Power amplifier adjustment for transmit beamforming in multi-antenna wireless systems
US20080266176
-
Oct 30, 2008
Beamformed space time code communication with testing spatial signature generation
US20080238775
-
Oct 02, 2008
Wireless communication apparatus for determining direction of arrival information to form a three-dimensional beam used by a transceiver
US7427953
-
Sep 23, 2008
Steerable antenna and receiver interface for terrestrial broadcast
US7425920
-
Sep 16, 2008
Antennas array calibration arrangement and method
US7423586
-
Sep 09, 2008
Higher-order intermodulation reduction using phase and angle smearing
US7420508
-
Sep 02, 2008
Apparatus and method for removing interference in transmitting end of multi-antenna system
US20080198071
-
Aug 21, 2008
Phase management for beam-forming applications
US7414577
-
Aug 19, 2008
Phased array antenna system with variable electrical tilt
US7400296
-
Jul 15, 2008
Butler matrix implementation
US20080143601
-
Jun 19, 2008
Clustered ofdm with channel estimation
US7369487
-
May 06, 2008
Method and apparatus for microwave and millimeter-wave imaging
US20080100510
-
May 01, 2008
Antenna system
US7365695
-
Apr 29, 2008
Smart antenna, method and apparatus for adaptive beam forming
US7362267
-
Apr 22, 2008
Compensating for radiation pattern in radio system, and radio system
US7359734
-
Apr 15, 2008
Beam synthesis method for downlink beamforming in fdd wireless communication system
US7359733
-
Apr 15, 2008
Support for multiple access point switched beam antennas
US7355998
-
Apr 08, 2008
Tile sub-array and related circuits and techniques
US7348932
-
Mar 25, 2008
Beam-forming apparatus and method using a spatial interpolation based on regular spatial sampling
US7342535
-
Mar 11, 2008
Method and apparatus for providing user specific downlink beamforming in a fixed beam network
US7333835
-
Feb 19, 2008
Low complexity beamformers for multiple transmit and receive antennas
US7330701
-
Feb 12, 2008
Antenna system for producing variable-size beams
US7315279
-
Jan 01, 2008
Adaptive beam-forming system using hierarchical weight banks for antenna array in wireless communication system
US7312750
-
Dec 25, 2007
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Antenna (19)
Beams (10)
Apparatus and method (9)
Beamforming (11)
Wireless communication (7)
System AND method (8)
Matrix (3)
Beam-forming (3)
Techniques (3)
Phase (3)
Weight (3)
Estimation (3)
Radiation pattern (2)
Interface (2)
Channel (2)
Angle (2)
Power (2)
Applications (2)
Radio (2)
Receiver (2)
Multi-antenna (2)
Switched (2)
Beamformers (2)
Tracking (2)
Low complexity (2)
Transmit and receive (2)