A new codebookbased precoding scheme for multipleinput multipleoutput systems
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    Abstract:

    Focusing on the contradiction between overhead and performance in the codebookbased precoding scheme, a precoding method with a new codebook was proposed in which the concept of diversity was adopted in the codebook design. Performance of the codebook matrix was improved by the gain resulting from spatial diversity. Furthermore, a compensation unit for precoding was added in the scheme. The simulation results for the 4 by 4 antenna mode show that the proposed codebookbased precoding scheme for multipleinput multipleoutput system does not add any overhead and produces superior performance (approximately 1 dB to 2 dB) compared to traditional precoding schemes.

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郝东来,葛建华.一种新的基于码本设计的MIMO系统预编码方法[J].重庆大学学报,2008,31(12):1371~1375

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