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Vol. 155, Issue 8, August 2013, pp. 74-79




Connected Target Coverage for Fully Data Gathering in Wireless Sensor Networks
1, 2 Junbin Liang, 2 Ming Liu, 2 Xiaoyan Kui

1 School of Computer and Electronic Information, Guangxi University, Guangxi, Nanning 530004, China 2 School of Information Science and Engineering, Central South University, Hunan, Changsha 410083, China

 1 Tel.: +86-13574872076

1 E-mail: xykui@csu.edu.cn


Received: 8 June 2013   /Accepted: 12 August 2013   /Published: 20 August 2013

Digital Sensors and Sensor Sysstems


Abstract: Coverage problem is an important issue in wireless sensor networks, which has a great impact on the performance of wireless sensor networks. Many researches in this area only focus on how to cover all the targets in the network, which ignore considering the problem of how to transmit the sensing data to the sink. In this paper, we propose an energy-effective connected target coverage algorithm named ECTCG to guarantee the sensed data be effectively gathered in mobile wireless sensor networks. We theoretically analyze ECTCG algorithm and conduct extensive simulations to evaluate its performance. Simulation results show that ECTCG outperforms another existing algorithm CWGC by effectively prolonging the network lifetime.


Keywords: Wireless sensor networks, Target coverage, Data gathering.


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