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Multi-mode relaying for energy consumption reduction

Cédric Lévy-Bencheton 1 Doreid Ammar 1 Guillaume Villemaud 1 Tanguy Risset 1, 2 Clément Reboul 1
1 SWING - Smart Wireless Networking
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
Abstract : Today mobile terminals offer today the possibility of switching between different physical layers of radio protocols. With a generalization of Software Defined Radio, this multi-mode property improves the connectivity but has an important cost in terms of energy consumption. In this paper, we study the possibility of reducing energy consumption by using a relay on possibly different communication modes. We show that a multi-mode relay, compared to simple (mono-mode) relay, has an impact on energy consumption. We propose an analytical study of energy consumption in multi-mode terminals. Then, we will compare the network energy consumption following two scenarios: in the first one, a mobile terminal relays other users, in the second one terminals connect directly to an Access Point. We evaluate the consumption of the terminals in an 802.11g-to-UMTS and an 802.15.4-to-802.11g relay scheme. We isolate rules to minimize the network global energy consumption through multi-mode relaying. We show that the most intuitive solution is not always the best one and that a very precise simulation is necessary to make good choices at run time.
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https://hal.inria.fr/inria-00470533
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Submitted on : Monday, October 25, 2010 - 3:35:51 PM
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  • HAL Id : inria-00470533, version 3

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Cédric Lévy-Bencheton, Doreid Ammar, Guillaume Villemaud, Tanguy Risset, Clément Reboul. Multi-mode relaying for energy consumption reduction. [Research Report] RR-7245, INRIA. 2010, pp.31. ⟨inria-00470533v3⟩

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