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Sensors 2019, 19(2), 257; https://doi.org/10.3390/s19020257

CMTN-SP: A Novel Coverage-Control Algorithm for Moving-Target Nodes Based on Sensing Probability Model in Sensor Networks

1,2
,
3,* , 1
and
1,2
1
School of Computer Science and Information Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China
2
State Key Laboratory of Integrated Service Networks, Xidian University, Xi’an 710071, China
3
School of Computer Science and Educational Software, Guangzhou University, Guangzhou 510006, China
*
Author to whom correspondence should be addressed.
Received: 4 December 2018 / Revised: 26 December 2018 / Accepted: 7 January 2019 / Published: 10 January 2019
(This article belongs to the Special Issue Fog Computing for Sensor and Cloud System)
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Abstract

The non-consecutive coverage problem for the target nodes in Sensor Networks could lead to the coverage blind area and a large amount of redundant data, which causes the bottleneck phenomenon for the communication link. A novel Coverage Control Algorithm for Moving Target Nodes Based on Sensing Probability Model (CMTN-SP) is proposed in this work. Firstly, according to the probability theory, we derive the calculation method for the expectation of the coverage quality with multiple joint nodes, which aims to reduce the coverage blind area and improving network coverage rate. Secondly, we employ the dynamic transferring mechanism of the nodes to re-optimize the deployment of the nodes, which alleviates the rapid exhaustion of the proper network energy. Finally, it is verified via the results of the simulation that the network coverage quality could not only be improved by the proposed algorithm, but the proposed algorithm could also effectively curb the rapid exhaustion of the node energy. View Full-Text
Keywords: sensor network; network lifetime; network coverage rate; sensing probability model; coverage control sensor network; network lifetime; network coverage rate; sensing probability model; coverage control
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Sun, Z.; Xing, X.; Yan, B.; Lv, Z. CMTN-SP: A Novel Coverage-Control Algorithm for Moving-Target Nodes Based on Sensing Probability Model in Sensor Networks. Sensors 2019, 19, 257.

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