Abstract
This paper proposes the Optimized Power save Algorithm for continuous Media Applications (OPAMA) to improve end-user device energy efficiency. OPAMA enhances the standard legacy Power Save Mode (PSM) of IEEE 802.11 by taking into consideration application specific requirements combined with data aggregation techniques. By establishing a balanced cost/benefit tradeoff between performance and energy consumption, OPAMA is able to improve energy efficiency, while keeping the end-user experience at a desired level. OPAMA was assessed in the OMNeT++ simulator using real traces of variable bitrate video streaming applications. The results showed the capability to enhance energy efficiency, achieving savings up to 44% when compared with the IEEE 802.11 legacy PSM.
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Acknowledgments
This work was partially supported by the iCIS project (CENTRO-07-ST24-FEDER-002003), co-financed by QREN, in the scope of the Mais Centro Program and European Union’s FEDER, as well as by the COST framework, under Actions IC0804 and IC0906. The first author was also supported by the Portuguese National Foundation for Science and Technology (FCT) through a Doctoral Grant (SFRH/BD/66181/2009).
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Bernardo, V., Curado, M., Braun, T. (2013). Enhancing IEEE 802.11 Energy Efficiency for Continuous Media Applications. In: Pierson, JM., Da Costa, G., Dittmann, L. (eds) Energy Efficiency in Large Scale Distributed Systems. EE-LSDS 2013. Lecture Notes in Computer Science(), vol 8046. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40517-4_17
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DOI: https://doi.org/10.1007/978-3-642-40517-4_17
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