User Selection Scheme Based on the Projection Matrix 


Vol. 40,  No. 7, pp. 1257-1265, Jul.  2015


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  Abstract

In this paper, we describe a greedy user selection scheme for multiuser multiple-input multiple-output (MIMO) systems. We propose a new metric which has significantly improved performance compared to the Frobenius norm metric. The approximation of projection matrix is applied to increase the accuracy of Frobenius norm of effective channel matrix. We analyze the computational complexity of two metrics by using flop counts, and also verify the achievable sum rate through numerical simulation. Our simulation result shows that the proposed metric can achieve the improved sum rate as the number of user antenna increases.

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  Cite this article

[IEEE Style]

G. Kim, J. Kim, H. Park, "User Selection Scheme Based on the Projection Matrix," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 7, pp. 1257-1265, 2015. DOI: .

[ACM Style]

Gibum Kim, Jinwoo Kim, and Hyuncheol Park. 2015. User Selection Scheme Based on the Projection Matrix. The Journal of Korean Institute of Communications and Information Sciences, 40, 7, (2015), 1257-1265. DOI: .

[KICS Style]

Gibum Kim, Jinwoo Kim, Hyuncheol Park, "User Selection Scheme Based on the Projection Matrix," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 7, pp. 1257-1265, 7. 2015.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880