A Codebook Generation and Search Scheme for FDD Downlink Massive MIMO Systems 


Vol. 38,  No. 8, pp. 704-711, Aug.  2013


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  Abstract

Applying channel state information feedback scheme based on codebook for FDD downlink MIMO system to massive MIMO system directly causes following two problems. First, codebook generation becomes hard because resources needed for codebook generation increases exponentially in the number of antennas. In addition, long time is needed for channel state information feedback because users"s codebook search time increases linearly in the number of antennas. This paper proposes a codebook generation scheme and a codebook search scheme which can reduce resource for codebook generation and codebook search time drastically though they have similar performance as conventional approaches.

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  Cite this article

[IEEE Style]

I. Choi, H. Nho, C. Lee, "A Codebook Generation and Search Scheme for FDD Downlink Massive MIMO Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 8, pp. 704-711, 2013. DOI: .

[ACM Style]

Il-gyu Choi, Hoon-dong Nho, and Chung-yong Lee. 2013. A Codebook Generation and Search Scheme for FDD Downlink Massive MIMO Systems. The Journal of Korean Institute of Communications and Information Sciences, 38, 8, (2013), 704-711. DOI: .

[KICS Style]

Il-gyu Choi, Hoon-dong Nho, Chung-yong Lee, "A Codebook Generation and Search Scheme for FDD Downlink Massive MIMO Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 8, pp. 704-711, 8. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880