On Opportunistic Beamforming with Multiple-User Selection 


Vol. 33,  No. 2, pp. 130-138, Feb.  2008


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  Abstract

In this paper, we propose a user selection method to maximize the sum-rate of downlink over opportunistic beamforming. The throughput of an opportunistic beamforming with non-uniformly distributed or a small number of users can decrease. In order to improve the throughput, we propose a scheduling method that does not use SINR or SNR but uses the effective channel gain of each user obtained from the SINR or SNR feedback. The proposed method makes it possible to select users flexibly according to the distribution of users. In numerical results, we show that the proposed methods improve the average sum-rate about 60% when users are distributed non uniformly.

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  Cite this article

[IEEE Style]

M. Ku and D. Kim, "On Opportunistic Beamforming with Multiple-User Selection," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 2, pp. 130-138, 2008. DOI: .

[ACM Style]

Mihyeon Ku and Dongwoo Kim. 2008. On Opportunistic Beamforming with Multiple-User Selection. The Journal of Korean Institute of Communications and Information Sciences, 33, 2, (2008), 130-138. DOI: .

[KICS Style]

Mihyeon Ku and Dongwoo Kim, "On Opportunistic Beamforming with Multiple-User Selection," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 2, pp. 130-138, 2. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880