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An Effective Coverage Enhancing Algorithm in Directional Sensor Networks

Authors:
Chiu-Kuo Liang
Yin-Chung Hsu
Chih-Hung Tsai

Keywords: directional sensors; coverage; greedy algorithms.

Abstract:
Directional sensor network is composed of many directional sensor nodes. Unlike conventional sensors that always have an omni-angle of sensing range, directional sensors may have a limited angle of sensing range due to technical constraints or cost considerations. Area coverage problem is still an essential issue in directional sensor networks. In this paper, we study the area coverage problem in directional sensor networks. The problem is to maximize the area coverage of a randomly deployed directional sensor network. Each directional sensor can through rotating orientation to get better coverage in an interested region. We, therefore, propose a greedy algorithm to enhance the area coverage. Simulation results show that our proposed algorithm outperforms the previous proposed method in term of the coverage area.

Pages: 182 to 188

Copyright: Copyright (c) IARIA, 2012

Publication date: August 19, 2012

Published in: conference

ISSN: 2308-4405

ISBN: 978-1-61208-207-3

Location: Rome, Italy

Dates: from August 19, 2012 to August 24, 2012