Stochastic analysis of energy savings with sleep mode in OFDMA wireless networks

Dimitrios Tsilimantos 1, * Jean-Marie Gorce 1 Eitan Altman 2, 3
* Auteur correspondant
1 SOCRATE - Software and Cognitive radio for telecommunications
Inria Grenoble - Rhône-Alpes, UCBL - Université Claude Bernard Lyon 1, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
2 SWING - Smart Wireless Networking
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
3 MAESTRO - Models for the performance analysis and the control of networks
CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : The issue of energy efficiency (EE) in Orthogonal Frequency-Division Multiple Access (OFDMA) wireless networks is discussed in this paper. Our interest is focused on the promising concept of base station (BS) sleep mode, introduced recently as a key feature in order to dramatically reduce network energy consumption. The proposed technical approach fully exploits the properties of stochastic geometry, where the number of active cells is reduced in a way that the outage probability, or equivalently the signal to interference plus noise (SINR) distribution, remains the same. The optimal EE gains are then specified with the help of a simplified but yet realistic BS power consumption model. Furthermore, the authors extend their initial work by studying a non-singular path loss model in order to verify the validity of the analysis and finally, the impact on the achieved user capacity is investigated. In this context, the significant contribution of this paper is the evaluation of the theoretically optimal energy savings of sleep mode, with respect to the decisive role that the BS power profile plays.
Type de document :
Communication dans un congrès
IEEE INFOCOM - 32nd International Conference on Computer Communications, Apr 2013, Turin, Italy. pp.1097-1105, 2013, 2013 Proceedings IEEE INFOCOM. 〈10.1109/INFCOM.2013.6566900〉
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Dimitrios Tsilimantos, Jean-Marie Gorce, Eitan Altman. Stochastic analysis of energy savings with sleep mode in OFDMA wireless networks. IEEE INFOCOM - 32nd International Conference on Computer Communications, Apr 2013, Turin, Italy. pp.1097-1105, 2013, 2013 Proceedings IEEE INFOCOM. 〈10.1109/INFCOM.2013.6566900〉. 〈hal-00913219〉

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