Journal of Korea Society of Digital Industry and Information Management (디지털산업정보학회논문지)

Korea Society of Digital Industry and Information Management (디지털산업정보학회)
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Uniform Sensor-node Request Scheme for the Recovery of Sensing Holes on IoT Network

IoT 네트워크의 센싱홀 복구를 위한 센서 이동 균등 요청 방법

  • 김문성 (서울신학대학교 교양학부) ;
  • 박수연 (인천대학교 전기공학과) ;
  • 이우찬 (인천대학교 전기공학과)
  • Received : 2020.12.02
  • Accepted : 2020.12.15
  • Published : 2020.12.30
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Abstract

When IoT sensor nodes are deployed in areas where data collection is challenging, sensors must be relocated if sensing holes occur due to improper placement of sensors or energy depletion, and data collection is impossible. The sensing hole's cluster header transmits a request message for sensor relocation to an adjacent cluster header through a specific relay node. However, since a specific relay node is frequently used, a member sensor located in a specific cluster area adjacent to the sensing hole can continuously receive the movement message. In this paper, we propose a method that avoids the situation in which the sensing hole cluster header monopolizes a specific relay node and allows the cluster header to use multiple relay nodes fairly. Unlike the existing method in which the relay node immediately responds to the request of the header, the method proposed in this paper solves a ping-pong problem and a problem that the request message is concentrated on a specific relay node by applying a method of responding to the request of the header using a timer. OMNeT++ simulator was used to analyze the performance of the proposed method.

Keywords

References

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