Tuesday, February 01, 2011 9:37:11 AM
Pan , et al. February 1, 2011
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Method and apparatus for providing efficient precoding feedback in a MIMO wireless communication system
Abstract
A multiple-input multiple-output (MIMO) scheme uses precoding and feedback in a wireless communication system including a transmitter and a receiver. The system may use either a single codeword (SCW) or a double codeword (DCW). The precoding scheme is based on transmit beamforming (TxBF). Combined differential and non-differential feedback with periodic resetting is considered.
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Inventors: Pan; Kyle Jung-Lin (Smithtown, NY), Olesen; Robert Lind (Huntington, NY), Grieco; Donald M. (Manhassett, NY)
Assignee: InterDigital Technology Corporation (Wilmington, DE)
Appl. No.: 11/840,328
Filed: August 17, 2007
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Related U.S. Patent Documents
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Application Number Filing Date Patent Number Issue Date
60838273 Aug., 2006
60839195 Aug., 2006
60892719 Mar., 2007
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Current U.S. Class: 370/319 ; 370/332; 370/344; 375/267
Current International Class: H04B 7/204 (20060101); H04B 7/208 (20060101); H04W 4/00 (20090101); H04L 1/02 (20060101)
Field of Search: 370/310-350 375/130-149,260-267,346-349
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