NDLI: Energy-efficient mobile data collection in energy-harvesting wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Cong Wang Songtao Guo Yuanyuan Yang
Copyright Year	2014
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Stony Brook Univ., Stony Brook, NY, USA (Cong Wang; Songtao Guo; Yuanyuan Yang)
Abstract	Environmental energy harvesting technologies have provided potential for battery-powered wireless sensor networks to have perpetual network operations. To design a robust network that can adapt to not only temporal but also spatial variations of ambient energy sources, in this paper, we utilize mobility to circumvent communication bottlenecks, by employing a mobile data collector, called SenCar. We propose a two-stage approach for mobile data collection. In the first stage, SenCar makes stops at a subset of selected sensor locations to collect data packets in a multi-hop fashion. We provide a selection algorithm to search for sensor locations with most residual energy while guaranteeing a bounded tour length. Then we design a distributed data gathering algorithm to achieve maximum network utility by adjusting data rates, link scheduling and flow routing that adapts to spatial temporal environmental energy variations. The effectiveness and efficiency of the proposed algorithms are validated by extensive numerical results.
Sponsorship	IEEE Comput. Soc.
Starting Page	55
Ending Page	62
File Size	569776
Page Count	8
File Format	PDF
ISBN	9781479976157
DOI	10.1109/PADSW.2014.7097791
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-12-16
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Batteries Mobile communication Optimization Energy harvesting Routing Mobile computing Data collection convex optimization Wireless sensor networks energy harvesting mobile data gathering distributed algorithms
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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