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Toward Green Evolution of Cellular Networks by High Order Sectorisation and Small Cell Densification

Toward Green Evolution of Cellular Networks by High Order Sectorisation and Small Cell Densification

Abdelrahman Arbi, Timothy O'Farrell, Fu-Chun Zheng, Simon C. Fletcher
Copyright: © 2017 |Pages: 28
ISBN13: 9781522517122|ISBN10: 152251712X|EISBN13: 9781522517139
DOI: 10.4018/978-1-5225-1712-2.ch001
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MLA

Arbi, Abdelrahman, et al. "Toward Green Evolution of Cellular Networks by High Order Sectorisation and Small Cell Densification." Interference Mitigation and Energy Management in 5G Heterogeneous Cellular Networks, edited by Chungang Yang and Jiandong Li, IGI Global, 2017, pp. 1-28. https://doi.org/10.4018/978-1-5225-1712-2.ch001

APA

Arbi, A., O'Farrell, T., Zheng, F., & Fletcher, S. C. (2017). Toward Green Evolution of Cellular Networks by High Order Sectorisation and Small Cell Densification. In C. Yang & J. Li (Eds.), Interference Mitigation and Energy Management in 5G Heterogeneous Cellular Networks (pp. 1-28). IGI Global. https://doi.org/10.4018/978-1-5225-1712-2.ch001

Chicago

Arbi, Abdelrahman, et al. "Toward Green Evolution of Cellular Networks by High Order Sectorisation and Small Cell Densification." In Interference Mitigation and Energy Management in 5G Heterogeneous Cellular Networks, edited by Chungang Yang and Jiandong Li, 1-28. Hershey, PA: IGI Global, 2017. https://doi.org/10.4018/978-1-5225-1712-2.ch001

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Abstract

Network densification by adding either more sectors per site or by deploying an overlay of small cells is always considered to be a key method for enhancing the RAN coverage and capacity. The impact of these two techniques on cellular network energy consumption is investigated in this chapter. The aim is to find an energy efficient deployment strategy when trading-off the order of sectorisation with the intensity of small cell densification. A new enhanced base station power consumption model is presented, followed by a novel metric framework for the evaluation of the RAN energy efficiency. The use of the power model and the proposed metrics is demonstrated by applying them to a RAN case study when the two techniques are used to improve the network capacity. In addition, the chapter evaluates the amount of network energy efficiency improvement when various adaptive sectorisation schemes are implemented. The results show that the strategy of adding more sectors is less energy efficient than directly deploying an overlay of small cells, even when adaptive sectorisation is implemented.

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