Distributed restoring of barrier coverage in wireless sensor networks using limited mobility sensors

Coverage problem in sensor network ensures quality of monitoring of a given region. Depending on applications, different measures of coverage are there such as area coverage, sweep coverage, barrier coverage and so on. Barrier coverage ensures monitoring only the boundary of a region. Barrier coverage is a critical issue in wireless sensor networks for border protection, the performance of which is highly related to the locations of sensor nodes. The objective of the sensors is to detect objects that cross the boundary. The primary objective of this study is to restore barrier coverage after sensor failure with the help of mobile sensors. Battery life of the sensors is one of the critical parameters of a sensor network. To increase the lifetime of the sensor network, the authors' restoring scheme tries to keep the total displacement incurred by the mobile sensors to minimum. A localised distributed barrier coverage restoring scheme is proposed. It first finds the existence of alternate barrier locally. If alternate barrier is not found, an alternate barrier is reconstructed by shifting the existing nearby sensors in a cascaded manner. Simulation results are presented in detail to evaluate the performance of their algorithm.

• Publication year

  2016

• Venue

  IET Wireless Sensor Systems

• Publication date

  2016-10-03

• Fields of study

  Computer Science, Engineering, Environmental Science

• Identifiers
  DOI 10.1049/iet-wss.2017.0020arXiv 1610.00457
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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