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Sensors 2019, 19(2), 225; https://doi.org/10.3390/s19020225

Minimum Cost Deployment of Bistatic Radar Sensor for Perimeter Barrier Coverage

1
School of Computer Science and Technology, Hangzhou Dianzi University, Hangzhou 310018, China
2
Department of Computer Science, RMIT University, Melbourne, VIC 3001, Australia
*
Author to whom correspondence should be addressed.
Received: 29 November 2018 / Revised: 17 December 2018 / Accepted: 22 December 2018 / Published: 9 January 2019
(This article belongs to the Special Issue Internet of Things and Ubiquitous Sensing)
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Abstract

Perimeter barriers can provide intrusion detection for a closed area. It is efficient for practical applications, such as coastal shoreline monitoring and international boundary surveillance. Perimeter barrier coverage construction in some regions of interest with irregular boundaries can be represented by its minimum circumcircle and every point on the perimeter can be covered. This paper studies circle barrier coverage in Bistatic Radar Sensor Network (BRSN) which encircles a region of interest. To improve the coverage quality, it is required to construct a circle barrier with a predefined width. Firstly, we consider a BR deployment problem to constructing a single BR circular barrier with minimum threshold of detectability. We study the optimized BR placement patterns on the single circular ring. Then the unit costs of the BR sensor are taken into account to derive the minimum cost placement sequence. Secondly, we further consider a circular BR barrier with a predefined width, which is wider than the breadth of Cassini oval sensing area with minimum threshold of detectability. We propose two segment strategies to efficiently divide a circular barrier to several adjacent sub-ring with some appropriate width: Circular equipartition strategy and an adaptive segmentation strategy. Finally, we propose approximate optimization placement algorithms for minimum cost placement of BR sensor for circular barrier coverage with required width and detection threshold. We validate the effectiveness of the proposed algorithms through theory analysis and extensive simulation experiments. View Full-Text
Keywords: circle barrier coverage; bistatic radar sensor; minimum cost placement circle barrier coverage; bistatic radar sensor; minimum cost placement
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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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Xu, X.; Zhao, C.; Ye, T.; Gu, T. Minimum Cost Deployment of Bistatic Radar Sensor for Perimeter Barrier Coverage. Sensors 2019, 19, 225.

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