Connected Sensor Cover

Weili Wu, Zhao Zhang, Wonjun Lee and Ding-Zhu Du
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Weili Wu: University of Texas at Dallas
Zhao Zhang: Zhejiang Normal University
Wonjun Lee: Korea University
Ding-Zhu Du: University of Texas at Dallas

Chapter Chapter 4 in Optimal Coverage in Wireless Sensor Networks, 2020, pp 33-65 from Springer

Abstract: Abstract The connected sensor cover was first studied by Cardei et al. The minimum connected sensor cover problem (Problem 1.3.2) was first proposed by Gupta, Das, and Gu. They presented a greedy algorithm with performance ratio O ( r ln n ) $$O(r \ln n)$$ where n is the number of sensors and r is the link radius of the sensor network, i.e., for any two sensors s and s′ with a sensing point in common, there exists a path between s and s′ with hop distance at most r in communication network. Zhang and Hou studied the minimum connected sensor cover problem in homogeneous wireless sensor networks with property that R c ≥ 2R s. They showed that in this case, the coverage of a connected target area implies the connectivity. This result was generalized by Zhou, Das, and Gupta to the m-connectivity that if every point in a connected target area is covered by at least m sensors, then those sensors induce an m-connected sensor network. Xing et al. presented a coverage configuration protocol which can give different degree of coverage requested by applications. Bai et al. studied a sensor deployment problem regarding the coverage and connectivity. Alam and Haas studied this problem in three-dimensional sensor networks.

Date: 2020
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DOI: 10.1007/978-3-030-52824-9_4

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