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Class Information
Number: 342/378
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Utilizing correlation techniques
Description: Subject matter wherein the directive communication includes circuitry which provides a relationship between the signals from two or more antennas.

Sub-classes under this class:

Class Number Class Name Patents
342/384 Difference of each antenna channel signal 50
342/379 Side lobe elimination 144
342/383 Sum of each antenna signal 218

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8665153 Array signal processing device Mar. 4, 2014
8634499 Method and apparatus for performing blind signal separation in an OFDM MIMO system Jan. 21, 2014
8588799 Method and apparatus for processing downlink communication and corresponding assisting method and apparatus Nov. 19, 2013
8554246 Combination of multiple baselines for location estimation Oct. 8, 2013
8532064 Radio communication device and arrival direction estimation method Sep. 10, 2013
8515355 Method of realizing smart antenna based on software radio and system therefor Aug. 20, 2013
8471766 Method of correlating known image data of moving transmitters with measured radio signals Jun. 25, 2013
8384595 Position estimation through iterative inclusion of measurement data Feb. 26, 2013
8364166 System and method of position location transfer Jan. 29, 2013
8345731 Methods and apparatus for reducing a sampling rate during a sampling phase determination process Jan. 1, 2013
8340588 Handheld synthetic antenna array Dec. 25, 2012
8289902 Devices systems and methods for improving performance of a wireless communication system Oct. 16, 2012
8280430 Antenna array calibration for multi-input multi-output wireless communication systems Oct. 2, 2012
8260361 Method and system for transmitter beamforming Sep. 4, 2012
8260336 Method for compensating a radiation beam by beam steering Sep. 4, 2012
8244183 Concurrent sync channel searching Aug. 14, 2012
8238490 Method and circuit for determining a Doppler shift of a signal Aug. 7, 2012
8224271 Electronic device with an improved antenna arrangement Jul. 17, 2012
8204510 Detection and selection of a reference signal for network-based wireless location Jun. 19, 2012
8174444 Method of correlating known image data of moving transmitters with measured radio signals May. 8, 2012
8154453 Positioning method, program thereof, and positioning device Apr. 10, 2012
8144051 Adaptive sidelobe blanking for motion compensation Mar. 27, 2012
8126486 Adaptive antenna weighting system for wireless local area and personal area networks Feb. 28, 2012
8121225 Estimating the angle of arrival of a signal received by an array of commutated antenna elements Feb. 21, 2012
8116818 Method and system for transmitter beamforming Feb. 14, 2012
8106827 Adaptive array control device, method and program, and adaptive array processing device, method and program Jan. 31, 2012
8064500 Correlation calculation control circuit and correlation calculation control method Nov. 22, 2011
8040278 Adaptive antenna beamforming Oct. 18, 2011
8031117 Blind signal separation using polarized antenna elements Oct. 4, 2011
8009098 Staccato pulse edge correlation Aug. 30, 2011
7952519 Method and system for detecting GNSS spoofing signals May. 31, 2011
7893872 Method and apparatus for performing blind signal separation in an OFDM MIMO system Feb. 22, 2011
7876264 Method of source number estimation and its application in method of direction of arrival estimation Jan. 25, 2011
7859461 Method for detecting navigation beacon signals using two antennas or equivalent thereof Dec. 28, 2010
7860064 Radio communication device and arrival direction estimation method Dec. 28, 2010
7825857 System, method and apparatus for reducing the effects of low level interference in a communication system Nov. 2, 2010
7755534 Radar sensor for receiving radar wave while judging existence of wave attenuator Jul. 13, 2010
7738531 Method and apparatus for reducing code phase search space Jun. 15, 2010
7683834 Undulating transmit patterns for multiple simultaneous transmitters to support signal separation at a receiver Mar. 23, 2010
7679560 Method and apparatus for adaptive direction estimation of radio waves Mar. 16, 2010
7592955 Airborne turbulence location system and methods Sep. 22, 2009
7570211 Digital beamforming method and apparatus for pointing and null steering without calibration or calculation of covariance matrix Aug. 4, 2009
7541976 System and/or method for estimating speed of a transmitting object Jun. 2, 2009
7539273 Method for separating interfering signals and computing arrival angles May. 26, 2009
7529392 Image processing system and medical examination apparatus for correlating features in medical images May. 5, 2009
7496129 Method and apparatus for space division multiple access receiver Feb. 24, 2009
7492810 Method and apparatus for segmented code correlation Feb. 17, 2009
7477921 Cancellation system for frequency reuse in microwave communications Jan. 13, 2009
7474905 Weight determining apparatus, a weight determination method, a radiation power measuring apparatus, and a radiation power measuring method Jan. 6, 2009
7453399 Antenna processing method for potentially non-centered cyclostationary signals Nov. 18, 2008

1 2 3 4 5 6 7 8

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