Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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Energy-Efficient Base Station Operation in Heterogeneous Cellular Networks

  • Nguyen, Hoang-Hiep (Department of Information and Communication Engineering, HSV-TRC, Inje University) ;
  • Hwang, Won-Joo (Department of Information and Communication Engineering, HSV-TRC, Inje University)
  • Received : 2012.07.11
  • Accepted : 2012.08.30
  • Published : 2012.12.31
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Abstract

In this paper, we study the ON/OFF control policy of base stations in two-tier heterogeneous cellular networks to minimize the total power consumption of the system. Using heterogeneous cellular networks is a potential approach of providing higher throughput and coverage compared to conventional networks with only macrocell deployment, but in fact heterogeneous cellular networks often operates regardless of total power consumption, which is a very important issue of modern cellular networks. We propose a policy that controls the activation/deactivation of base stations in heterogeneous cellular networks to minimize total power consumption. Under this policy, the total power consumed can be significantly reduced when the traffic is low while the QoS requirement is satisfied.

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