A Performance Enhancement Scheme for Heterogeneous Network Systems Utilizing Remote Radio Heads 


Vol. 37,  No. 1, pp. 31-38, Jan.  2012


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  Abstract

In this paper, we propose a method to improve cell edge users’ performance in HetNet (heterogeneous network) systems by cooperatively transmitting signals using remote radio heads (RRHs) located near coverage boundaries, referred to as edge RRHs. The proposed method locates the edge RRHs in specific locations of the cell boundary and provides an efficient operational strategy by adjusting the duty cycle of the edge RRHs and base stations. The effectiveness of the method is demonstrated by experimental performance based on the system model parameters of the CoMP (coordinated multi-point transmission and reception) scenario, which is discussed in LTE-Advanced (Long Term Evolution - Advanced) standard contributions. When compared with conventional methods, utilization of edge RRHs is especially advantageous for the performance improvement of lower percentile users in terms of average throughput and effectively improves the fairness among users.

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  Cite this article

[IEEE Style]

H. Yoo and W. Sung, "A Performance Enhancement Scheme for Heterogeneous Network Systems Utilizing Remote Radio Heads," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 1, pp. 31-38, 2012. DOI: .

[ACM Style]

Hyung-gil Yoo and Wonjin Sung. 2012. A Performance Enhancement Scheme for Heterogeneous Network Systems Utilizing Remote Radio Heads. The Journal of Korean Institute of Communications and Information Sciences, 37, 1, (2012), 31-38. DOI: .

[KICS Style]

Hyung-gil Yoo and Wonjin Sung, "A Performance Enhancement Scheme for Heterogeneous Network Systems Utilizing Remote Radio Heads," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 1, pp. 31-38, 1. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880