A Limit-Phase-Feedback-based Precoding Technique for CoMP 


Vol. 36,  No. 9, pp. 784-789, Sep.  2011


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  Abstract

In this paper, a precoder based on limited phase feedback is proposed to maximize user's receive signal-to-interference-plus-noise ratio (SINR) in coordinated multi-point (CoMP) coordinated scheduling / coordinated beamforming (CS/CB) precoding matrix indicator (PMI) scenario. Most conventional precoding techniques based on limited phase feedback have been considered in a single-cell environment. However, considering neighboring cells in a multi-cell environment, we enhance the conventional preocoding method. First, to maximize receive SINR, precoding matrices are designed to maximize the serving cell's signal and to minimize the coordinated cells' signal. Also, a precoder which can be used in a limited bit feedback condition is suggested. Finally, the proposed precoder's performance is evaluated and compared with some other precoding techniques by using simulation under the CoMP CS/CB PMI scenario.

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  Cite this article

[IEEE Style]

T. Kim and E. C. Yoon, "A Limit-Phase-Feedback-based Precoding Technique for CoMP," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 9, pp. 784-789, 2011. DOI: .

[ACM Style]

Taeyoung Kim and Eun Chul Yoon. 2011. A Limit-Phase-Feedback-based Precoding Technique for CoMP. The Journal of Korean Institute of Communications and Information Sciences, 36, 9, (2011), 784-789. DOI: .

[KICS Style]

Taeyoung Kim and Eun Chul Yoon, "A Limit-Phase-Feedback-based Precoding Technique for CoMP," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 9, pp. 784-789, 9. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880