Optimal Deployment and Scheduling with Directional Sensors for Energy-Efficient Barrier Coverage

被引：12

作者：

Zhao, Lu ^{[1
]}

Bai, Guangwei ^{[1
,2
]}

Jiang, Yanhui ^{[3
]}

Shen, Hang ^{[1
]}

Tang, Zhenmin ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Comp Sci & Engn, Nanjing 210094, Jiangsu, Peoples R China

[2] Nanjing Univ Technol, Coll Elect & Informat Engn, Nanjing 211816, Jiangsu, Peoples R China

[3] Hunan Univ, Sch Business, Changsha 410082, Hunan, Peoples R China

来源：

INTERNATIONAL JOURNAL OF DISTRIBUTED SENSOR NETWORKS | 2014年

基金：

中国国家自然科学基金;

关键词：

Sensor networks - Energy efficiency;

D O I：

10.1155/2014/596983

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In recent years, barrier coverage problem in directional sensor networks has been an interesting research issue. Most of the existing solutions to this problem aim to find as many barrier sets as possible to enhance coverage for the target area, which did not consider the power conservation. In this paper, we address the efficient sensor deployment (ESD) problem and energy-efficient barrier coverage (EEBC) problem for directional sensor networks. First, we describe a deployment model for the distribution of sensor locations to analyze whether a target area can be barrier covered. By this model, we examine the relationship between the probability of barrier coverage and network deployment parameters. Moreover, we model the EEBC as an optimization problem. An efficient scheduling algorithm is proposed to prolong the network lifetime when the target area is barrier covered. Simulation results are presented to demonstrate the performance of this algorithm.

引用

页数：9

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