User Selection Method of Subspace Interference Alignment in Multi-cell Uplink Systems 


Vol. 35,  No. 3, pp. 238-244, Mar.  2010


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  Abstract

We propose a user selection method in multi-cell multiuser uplink system with the subspace interference alignment to maintain the high sum-rate capacity. The proposed method selects users whose interference to adjacent cells are strong and apply the subspace interference alignment to the users. The proposed method provides that the number of users performing the interference alignment reduces and the high total sum-rate is maintained. Simulation results exhibit the proposed method reduces the number of users who would decompose the channel for the subspace interference alignment by 50% when the required sum-rate is 90% of the maximal achievable sum-rate.

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  Cite this article

[IEEE Style]

J. Seo, H. Kim, J. Ahn, J. Chung, "User Selection Method of Subspace Interference Alignment in Multi-cell Uplink Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 3, pp. 238-244, 2010. DOI: .

[ACM Style]

Jong-pil Seo, Hyun-soo Kim, Jae-jin Ahn, and Jaehak Chung. 2010. User Selection Method of Subspace Interference Alignment in Multi-cell Uplink Systems. The Journal of Korean Institute of Communications and Information Sciences, 35, 3, (2010), 238-244. DOI: .

[KICS Style]

Jong-pil Seo, Hyun-soo Kim, Jae-jin Ahn, Jaehak Chung, "User Selection Method of Subspace Interference Alignment in Multi-cell Uplink Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 3, pp. 238-244, 3. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880