Orthogonal Reference Vectors Selection Method of Subspace Interference Alignment 


Vol. 36,  No. 5, pp. 457-463, May  2011


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  Abstract

This paper proposes theorthogonal reference vectors selection method of the subspace interference alignment. The proposed method selects multiple orthogonal reference vectors instead of using one reference vector for all users at the same time. The proposed scheme selects a reference vector which maximizes a sum-rate for a certain cell, generates orthogonal vectors to the previous selected vector and selects the one of orthogonal vectors whose sum rate is maximized for each cell. Larger channel gain and sum-rate than the previous method can be obtained by selection degree of freedom. The computer simulation demonstrates the proposed method gives higher sum-rate compared with that of the previous reference vector selection method.

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  Cite this article

[IEEE Style]

J. Seo, H. Kim, J. Ahn, J. Chung, "Orthogonal Reference Vectors Selection Method of Subspace Interference Alignment," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 5, pp. 457-463, 2011. DOI: .

[ACM Style]

Jong-pil Seo, Hyun-soo Kim, Jae-jin Ahn, and Jaehak Chung. 2011. Orthogonal Reference Vectors Selection Method of Subspace Interference Alignment. The Journal of Korean Institute of Communications and Information Sciences, 36, 5, (2011), 457-463. DOI: .

[KICS Style]

Jong-pil Seo, Hyun-soo Kim, Jae-jin Ahn, Jaehak Chung, "Orthogonal Reference Vectors Selection Method of Subspace Interference Alignment," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 5, pp. 457-463, 5. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880