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Improving Energy Conservation Using Bulk Transmission over High-Power Radios in Sensor Networks

Cigdem Sengul 1 Mehedi Bakht 2 Albert Harris 3 Tarek Abdelzaher 2 Robin Kravets 2
1 ASAP - As Scalable As Possible: foundations of large scale dynamic distributed systems
UR1 - Université de Rennes 1, Inria Saclay - Ile de France, INSA - Institut National des Sciences Appliquées, CNRS - Centre National de la Recherche Scientifique : UMR
Abstract : Low power radios, such as the CC2420, have been widely popular with recent sensor platforms. This paper ex- plores the potential for energy savings from adding a high- power, high-bandwidth radio to current sensor platforms. High-bandwidth radios consume more power but signifi- cantly reduce the time for transmissions. Consequently, they offer net savings in total communication energy when there is enough data to offset wake-up energy overhead. The analysis on energy characteristics of several IEEE 802.11 radios show that a feasible crossover point exists (in terms of data size) after which energy savings are possible. Based on this analysis, we present a bulk data transmission proto- col for dual radio systems. The results of simulations and prototype implementation show significant energy savings at the expense of introducing acceptable delay.
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Cigdem Sengul, Mehedi Bakht, Albert Harris, Tarek Abdelzaher, Robin Kravets. Improving Energy Conservation Using Bulk Transmission over High-Power Radios in Sensor Networks. International Conference on Distributed Computing Systems, Jun 2008, pekin, China. ⟨inria-00333700⟩

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