发明名称 |
REDUCED COMPLEXITY BEAM-STEERED MIMO OFDM SYSTEM |
摘要 |
Techniques for transmitting data using channel information for a subset of all subcarriers used for data transmission are described. A transmitter station (110) receives channel information for at least one subcarrier that is a subset of multiple subcarriers used for data transmission. The channel information may include at least one transmit steering matrix, at least one set of eigenvectors, at least one channel response matrix, at least one channel covariance matrix, an unsteered pilot, or a steered pilot for the at least one subcarrier. The transmitter station obtains at least one transmit steering matrix for the at least one subcarrier from the channel information and determines a transmit steering matrix for each of the multiple subcarriers. The transmitter station performs transmit steering or beam-steering for each of the multiple subcarriers with the transmit steering matrix for that subcarrier. |
申请公布号 |
CA2649566(C) |
申请公布日期 |
2013.03.12 |
申请号 |
CA20072649566 |
申请日期 |
2007.04.24 |
申请人 |
QUALCOMM INCORPORATED |
发明人 |
HOWARD, STEVEN J.;KETCHUM, JOHN W.;WALLACE, MARK S.;WALTON, JAY RODNEY |
分类号 |
H04B7/06;H04B7/04;H04L27/26 |
主分类号 |
H04B7/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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