Coverage Optimization Strategy for WSN based on Energy-aware


  • Li Zhu
  • Chunxiao Fan Beijing University of Posts and Telecommunications, Beijing Key Laboratory of Work Safety Intelligent Monitoring, School of Electronic Engineering, No.10 Xitucheng Road, Beijing, P.R.China, 100876
  • Zhigang Wen Beijing University of Posts and Telecommunications, Beijing Key Laboratory of Work Safety Intelligent Monitoring, School of Electronic Engineering, No.10 Xitucheng Road, Beijing, P.R.China, 100876
  • Huarun Wu National Engineering Research Center for Information Technology in Agriculture, Key Laboratory for Information Technologies in Agriculture, Ministry of Agriculture, Room 316, Beijing Agriculture Science and Technology Building A, No. 11 Beijing Shuguang Garden Middle Road, Haidian District West Suburb, Beijing,China, 100097


WSN, coverage optimization, energy-aware, hole repair, sensing radius


In order to optimize the wireless sensor network coverage, this paper designs a coverage optimization strategy for wireless sensor network (EACS) based on energy-aware. Under the assumption that the geographic positions of sensor nodes are available, the proposed strategy consists of energy-aware and network coverage adjustment. It is restricted to conditions such as path loss, residual capacity and monitored area and according to awareness ability of sensors, it would adjust the monitored area, repair network hole and kick out the redundant coverage. The purpose is to balance the energy distribution of working nodes, reduce the number of “dead” nodes and balance network energy consumption. As a result, the network lifetime is expanded. Simulation results show that: EACS effectively reduces the number of working nodes, improves network coverage, lowers network energy consumption while ensuring the wireless sensor network coverage and connectivity, so as to balance network energy consumption.


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