On the energy efficiency of base station cooperation under limited backhaul capacity

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• 作者：Mireille Sarkiss (1)
  Mohamed Kamoun (1)
  
• 关键词：Energy efficiency ; Base station cooperation ; Outage probability ; Backhaul capacity ; Precoding techniques
• 刊名：Annals of Telecommunications
• 出版年：2014
• 出版时间：October 2014
• 年：2014
• 卷：69
• 期：9-10
• 页码：539-551
• 全文大小：766 KB
• 参考文献：1. 3GPP TS 36.211 V8.9.0 (2009-12): 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Channels and Modulation (Release 8) Available at: http://www.etsi.org/deliver/etsi_ts/136200_136299/136211/08.09.00_60/
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• 作者单位：Mireille Sarkiss (1)
  Mohamed Kamoun (1)
  
  1. CEA, LIST, Communicating Systems Laboratory, Bo卯te courrier 173, 91191, Gif-sur-Yvette, France
  
• ISSN：1958-9395

文摘

Recently, energy-efficient (EE) communications have received increasing interest specially in cellular networks. Promising techniques, such as multiple input multiple output (MIMO) and base station (BS) cooperation schemes, have been widely studied in the past to improve the spectral efficiency and the reliability. Nowadays, the purpose is to investigate how these techniques can reduce the energy consumption of the systems. In this paper, we address for a single-user scenario, the energy efficiency of two BSs cooperation under limited backhaul capacity. In order to evaluate the EE metric, we provide first an information-theoretical analysis based on the outage probability, for a quantization model over the backhaul. Then, we extend this EE analysis to a more practical approach with data transmission over the backhaul. For both approaches, we identify by numerical/simulation results the cooperation scenarios that can save energy depending on the backhaul capacity.