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An Efficient Distributed Coverage Hole Detection Protocol for Wireless Sensor Networks.

Prasan Kumar Sahoo1, Ming-Jer Chiang2, Shih-Lin Wu3,4

  • 1Department of Computer Science and Information Engineering, Chang Gung University, Kwei-Shan 33302, Taiwan. pksahoo@mail.cgu.edu.tw.

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Summary
This summary is machine-generated.

Wireless sensor networks (WSNs) face coverage gaps from random sensor deployment and node failures. This study introduces distributed algorithms for autonomous collaborative detection of these coverage holes, improving efficiency and reducing power consumption.

Keywords:
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Area of Science:

  • Wireless Sensor Networks (WSNs)
  • Network Coverage Analysis
  • Distributed Systems

Background:

  • Random sensor deployment in WSNs often results in coverage holes and overlapping areas.
  • Node failures due to component malfunction, bugs, or power exhaustion can lead to network disconnection and uncovered regions.
  • Recharging or replacing sensors in remote or hostile environments is often infeasible, highlighting the need for effective coverage hole management.

Purpose of the Study:

  • To design and evaluate distributed algorithms for autonomous coverage hole detection in WSNs.
  • To enable collaborative detection of coverage holes without central coordination.
  • To address the critical need for maintaining network coverage in challenging deployment scenarios.

Main Methods:

  • Development of distributed algorithms enabling sensor nodes to collaborate autonomously.
  • Implementation of protocols for detecting coverage holes through inter-node communication.
  • Performance evaluation comparing the proposed algorithms against existing protocols.

Main Results:

  • The designed distributed algorithms enable autonomous collaborative detection of coverage holes.
  • The proposed protocols demonstrate superior performance in terms of hole detection time.
  • The algorithms achieve limited power consumption and reduced control packet overhead compared to similar protocols.

Conclusions:

  • Distributed, collaborative algorithms are effective for autonomous coverage hole detection in WSNs.
  • The developed protocols offer an efficient solution for maintaining network coverage in WSNs with random deployment and node failures.
  • The findings are crucial for applications requiring reliable data gathering in remote or hostile environments.