ECAPM: An Enhanced Coverage Algorithm in Wireless Sensor Network Based on Probability Model-Reference-Cited by-同舟云学术

ECAPM: An Enhanced Coverage Algorithm in Wireless Sensor Network Based on Probability Model

Published:2015-06-01 Issue:6 Volume:11 Page:203502
ISSN:1550-1477
Container-title:International Journal of Distributed Sensor Networks
language:en
Short-container-title:International Journal of Distributed Sensor Networks

Author:

Zeyu Sun¹²,Huanzhao Wang¹,Weiguo Wu¹,Xiaofei Xing³

Affiliation:

1. School of Electronics and Information Engineering, Xi'an Jiaotong University, Xi'an, Shanxi 710049, China

2. Department of Computer and Information Engineering, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China

3. School of Computer Science and Educational Software, Guangzhou University, Guangzhou, Guangdong 510006, China

Abstract

How to cover a monitored area with the minimum number of sensor nodes is a fundamental in wireless sensor network (WSN). To address this problem, this paper proposes ECAPM, that is, Enhanced Coverage Algorithm Based on Probability Model. Given an area to monitor, ECAPM can calculate the minimum number of sensor nodes to cover that area. Firstly, ECAPM introduces the method to compute the expectation of probability that a sensor node is covered. Then ECAPM presents the procedure of expected value calculation when target node is covered by one sensor node and N sensor nodes. Finally ECAPM verifies the relation of proportional function when random variables are not independent. The simulation results show that ECAPM can cover the monitored area effectively with less sensor nodes and improve the quality of coverage.

Funder

National “863” High Technology Research and Development Plans

Publisher

SAGE Publications

Subject

Computer Networks and Communications,General Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1155/2015/203502

Reference27 articles.

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2. A Coverage Inference Protocol for Wireless Sensor Networks

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5. A Generic Framework for Optimal Mobile Sensor Redeployment

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