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Energy-efficient mobile data transport via online multi-network packet scheduling

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3 Author(s)
Coté, A. ; Dept. of Comput. Sci., Univ. of California, Los Angeles, CA, USA ; Meyerson, A. ; Tagiku, B.

We explore a novel online packet scheduling model related to energy-efficiency in mobile data transport. This model incorporates multiple networks with non-persistent connectivities where we only know which networks are available in the current timestep. When a packet arrives, it specifies a deadline and, for each network, a value it is worth if sent over that network. Our goal is to maximize the total value of packets we send by their deadlines. To encourage energy-efficiency, our model requires that packets have larger values for more energy-efficient networks. We demonstrate low-constant-competitive algorithms for this problem and several restrictions. We also provide lower bounds which closely match our competitive ratios and, under some restrictions, are tight.

Published in:

Green Computing Conference, 2010 International

Date of Conference:

15-18 Aug. 2010

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