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Sensors 2017, 17(8), 1828; doi:10.3390/s17081828

Energy-Efficient Hosting Rich Content from Mobile Platforms with Relative Proximity Sensing

Department of Computer and Information Security, Sejong University, Seoul 05006, Korea
Department of Industrial and Systems Engineering, SeoulTech, Seoul 01811, Korea
Department of Computer System Engineering, Jungwon University, Chungbuk 28024, Korea
Author to whom correspondence should be addressed.
Received: 23 June 2017 / Revised: 2 August 2017 / Accepted: 3 August 2017 / Published: 8 August 2017
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In this paper, we present a tiny networked mobile platform, termed Tiny-Web-Thing (T-Wing), which allows the sharing of data-intensive content among objects in cyber physical systems. The object includes mobile platforms like a smartphone, and Internet of Things (IoT) platforms for Human-to-Human (H2H), Human-to-Machine (H2M), Machine-to-Human (M2H), and Machine-to-Machine (M2M) communications. T-Wing makes it possible to host rich web content directly on their objects, which nearby objects can access instantaneously. Using a new mechanism that allows the Wi-Fi interface of the object to be turned on purely on-demand, T-Wing achieves very high energy efficiency. We have implemented T-Wing on an embedded board, and present evaluation results from our testbed. From the evaluation result of T-Wing, we compare our system against alternative approaches to implement this functionality using only the cellular or Wi-Fi (but not both), and show that in typical usage, T-Wing consumes less than 15× the energy and is faster by an order of magnitude. View Full-Text
Keywords: energy-efficiency; mobile communication; proximity sensing; mobile platform; content hosting energy-efficiency; mobile communication; proximity sensing; mobile platform; content hosting

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Park, K.-W.; Lee, Y.; Baek, S.H. Energy-Efficient Hosting Rich Content from Mobile Platforms with Relative Proximity Sensing. Sensors 2017, 17, 1828.

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