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METHOD AND APPARATUS FOR FEEDING BACK AND CONSTRUCTING CORRELATION MATRIX IN MULTI-INPUT MULTI-OUTPUT SYSTEM
METHOD AND APPARATUS FOR FEEDING BACK AND CONSTRUCTING CORRELATION MATRIX IN MULTI-INPUT MULTI-OUTPUT SYSTEM
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机译:在多输入多输出系统中反馈和构造相关矩阵的方法和装置
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摘要
The present invention provides a method for feeding back a correlation matrix in a multi-input multi-output system, comprising: constructing codebooks for the correlation matrix based on a conjugation nature of the correlation matrix and based on a predetermined relationship between diagonal elements and off-diagonal elements in the correlation matrix; selecting a codeword from the constructed codebook; and feeding back a corresponding index of the selected codeword in the codebook. Through the present invention, the throughput of the multi-input multi-output system can be enhanced, while reducing the encoder complexity or transfer load.
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