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Tuesday, September 01, 2009 8:56:32 AM
Olesen , et al. September 1, 2009
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Method and apparatus to improve channel quality for use in wireless communications systems with multiple-input multiple-output (MIMO) antennas
Abstract
A technique which improves SINR in a communication system utilizing MIMO antennas is described. Transmitter and receiver components use fixed transmit and receive beamforming matrices and variable transmit and receive beamforming vectors. A method of channel conditioning using an iterative closed loop process is also described.
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Inventors: Olesen; Robert Lind (Huntington, NY), Kwak; Jaeyoung (Morganville, NJ), Bultan; Aykut (Bayside, NY)
Assignee: InterDigital Technology Corporation (Wilmington, DE)
Appl. No.: 11/167,736
Filed: June 27, 2005
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Related U.S. Patent Documents
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Application Number Filing Date Patent Number Issue Date
60599542 Aug., 2004
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Current U.S. Class: 455/562.1 ; 375/146; 375/267; 455/500; 455/517
Current International Class: H04M 1/00 (20060101)
Field of Search: 455/101,103,500,517,562.1,69,506,65,132,133,67.11,272,450,126,277.1,21,24,63.1,66.1 375/267,299,146,152
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