The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 10, 2012
Filed:
Jul. 08, 2009
Applicants:
Chun Hsien Wen, Jhubei, TW;
Jiunn Tsair Chen, Jhubei, TW;
Cheng Hsuan Wu, Jhubei, TW;
Yen Chin Liao, Jhubei, TW;
Inventors:
Chun Hsien Wen, Jhubei, TW;
Jiunn Tsair Chen, Jhubei, TW;
Cheng Hsuan Wu, Jhubei, TW;
Yen Chin Liao, Jhubei, TW;
Assignee:
Ralink Technology Corporation, Jhubei, Hsinchu County, TW;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The method for beamforming in a wireless communication system comprises the steps of: receiving a sounding packet so as to estimate channel state information between a transmitter and a receiver; generating a beamforming matrix in accordance with the channel state information; generating a beamforming steering matrix by multiplying the beamforming matrix by a rotation matrix; and feeding back the beamforming steering matrix.