A NOVEL COVERAGE-PRESERVING ALGORITHM WITH ENERGY EFFICIENCY

被引：3

作者：

Chen, Chia-Pang ^{[1
]}

Chuang, Cheng-Long ^{[1
]}

Lin, Tzu-Shiang ^{[1
]}

Liu, Chang-Wang ^{[1
]}

Liao, Kuo-Chi ^{[1
]}

Shieh, Jyh-Cherng ^{[1
]}

Jiang, Joe-Air ^{[1
]}

机构：

[1] Natl Taiwan Univ, Dept Bioind Mechatron Engn, Taipei 106, Taiwan

来源：

2009 IEEE SENSORS, VOLS 1-3 | 2009年

关键词：

D O I：

10.1109/ICSENS.2009.5398307

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Deploying wireless sensor networks (WSNs) has been an area of interest in recent years. Adoption of WSNs with energy efficiency is a critical issue since the energy of sensor nodes is usually rather limited. Energy-efficient coverage control is regarded as an essential factor influencing the performance of WSNs. Coverage might gradually degrade after the activation of WSNs. Thus, a novel coverage-preserving algorithm (CPA) that is able to prolong the lifetime and to maximize the coverage is proposed in this study. The new scheme turns redundant nodes off according to the optimal arrangement based on a Memetic Algorithm (MA), and awakens some inactive nodes at proper time to recover the lost coverage due to the node failure or energy exhaustion. Simulation results via a cluster-based WSN (CWSN) show that the performance of the suggested algorithm is promising in terms of energy efficiency and coverage preservation.

引用

下载

页码：568 / 571

页数：4

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