Volume 8 Number 12 (Dec. 2013)
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JCP 2013 Vol.8(12): 3160-3167 ISSN: 1796-203X
doi: 10.4304/jcp.8.12.3160-3167

Adaptive Base Station Switching Based on Feedback Control in Two-tier Femtocell Networks

Wen Chen1, Xueqin Jiang2, Yun Wu2
1Engineering Research Center of Digitized Textile \& Fashion Technology, Ministry of Education, College of information science and technology, Donghua University, Shanghai, China
2 College of information science and technology, Donghua University, Shanghai, China


Abstract—Dynamic switching base station (BS) to improve the utilization is very important for reducing the energy consumption. Most of existing dynamic switching BS schemes require the switching threshold to be set in advance. The fixed switching threshold, however, fails to apply in practical two-tier femtocell networks, for it is difficult to precisely model that it may result in different switching operations and subsequent worse system performance. In this paper, we propose an adaptive BS switching scheme to regulate the threshold considering the time varying characteristic of the traffic profile in the two-tier femtocell networks. We apply feedback control methodology to formulate the adaptive BS switching as an adaptive realtime control problem. Performance evaluation reveals that the solution has excellent stability behavior and physical reliability. And simulation results also indicate that the adaptive switching scheme can achieve better performance than the fixed one.

Index Terms—dynamic base station switching, feedback control, green cellular networks, Two-Tier femtocell Networks

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Cite: Wen Chen, Xueqin Jiang, Yun Wu, "Adaptive Base Station Switching Based on Feedback Control in Two-tier Femtocell Networks," Journal of Computers vol. 8, no. 11, pp. 3160-3167, 2013.

General Information

ISSN: 1796-203X
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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