NDLI: An optimal control policy in a mobile cloud computing system based on stochastic data

Content Provider	IEEE Xplore Digital Library
Author	Xue Lin Yanzhi Wang Pedram, M.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA (Xue Lin; Yanzhi Wang; Pedram, M.)
Abstract	The emerging mobile cloud computing (MCC) paradigm has the potential to extend the capabilities of battery-powered mobile devices. Lots of research work have been conducted for improving the performance and reducing the power consumption for the mobile devices in the MCC paradigm. Different from the previous work, we investigate the effect of the inter-charging interval (ICI) length on the mobile device control decisions, including the offloading decision of each service request and the CPU operating frequency for processing local requests. Generally, the length of an ICI is uncertain to the mobile device controller and only stochastic data are known. We first define the expected “performance sum” as the objective function, which essentially captures a desirable trade-off between performance and power consumption of the mobile device and accounts for the ICI length uncertainty. We prove that the best-suited control decisions should change as time elapses to take into account the effect of ICI length variations. We propose a dynamic programming algorithm, which can derive the optimal control policy of the mobile device to maximize the expected performance sum.
Starting Page	117
Ending Page	122
File Size	218076
Page Count	6
File Format	PDF
ISBN	9781479905683
DOI	10.1109/CloudNet.2013.6710565
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance evaluation Power demand Heuristic algorithms Frequency scaling Optimal control Mobile cloud computing Mobile handsets Batteries Dynamic programming Dynamic voltage Remote processing
Content Type	Text
Resource Type	Article

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