①(Department of Computer Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China) ②(Dongfang College, Zhejiang University of Finance & Economics, Haining 314408, China)
The constructing cost and lifetime are two core problems when constructing a barrier coverage of Wireless Sensor Network (WSN). For the former, the amount of nodes and information transferred are considered very much. And the WSN shutdown Caused by just for some specific nodes died should be avoided. This paper proposes an algorithm named Distributed Barrier Coverage Algorithm (DBCA) to construct a distributed 1-barrier coverage by using k-HOP clustering and path planning. Theory analysis and simulation results show that the algorithm can reduce the number of nodes and information transferred effectively. When the deployed nodes reach the number of 700, it performs better than Optimal Node Selection Algorithm (ONSA) and Localized Barrier Coverage Protocol (LBCP) algorithm in reducing transferring information with 25% and 41.6%, and in prolonging lifetime with 44% and 30%.
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