A Coverage and Repair Optimization Algorithm for Hybrid Sensor Networks,ERICDATA高等教育知識庫
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篇名
A Coverage and Repair Optimization Algorithm for Hybrid Sensor Networks
並列篇名
A Coverage and Repair Optimization Algorithm for Hybrid Sensor Networks
作者 Fei DingDengyin ZhangAiguo SongJianqing Li
英文摘要
Node deployment is a basic requirement of active monitoring in hybrid sensor networks, especially for unmanned monitoring and dangerous scenes. This paper proposes an optimal coverage, exploration and deployment (OCED) algorithm. A basic behavior set for coverage detection of mobile nodes was designed, the node deployment in non-obstacle areas can completed via a combination of these basic behaviors. When there is an obstacle in the deployment process, the mobile node calculates the position coordinates automatically, and determines whether a static node is deployed according to the distance from the obstacle, thus, the mobile node deploys near-minimal number of sensor nodes and achieves full sensing coverage even services to some unpredicted relatively regular obstacles scene. Moreover, due to the coverage hole caused by the failed nodes, an improved Dijkstra-based deployment strategy is presented to realize network repair. The controllability of the mobile nodes is effectively improved because the deployment behaviors are fulfilled definition and combination. Simulation results show that the proposed OCED algorithm offers deployment efficiency gain with high coverage percentage.
起訖頁 907-915
關鍵詞 Hybrid sensor networksMobile nodeCoverageDeployment
刊名 網際網路技術學刊  
期數 201805 (19:3期)
出版單位 台灣學術網路管理委員會
DOI 10.3966/160792642018051903026  複製DOI
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