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DL-LEACH: Hierarchical Dual-Hop Routing Protocol for Wireless Sensor Network

DL-LEACH : 무선 센서 네트워크를 위한 계층형 멀티 홉 라우팅 프로토콜

  • Received : 2015.09.08
  • Accepted : 2015.10.09
  • Published : 2015.10.31

Abstract

This paper proposes to increase the node energy effienciecy, which rapidly drops during the transmission of LEACH (Low Energy Adaptive Clustering Hierachy), using the method of DL-LEACH (Dual-hop Layered LEACH). By introducing dual-hop method in the data transmission, the proposed single-hop method for short-range transmission and multi-hop transmission method between the cluster heads for remote transmission was introduce. By introducing a partial multi-hop method in the data transmission, a single-hop method for short range transmission method between the cluster heads for remote transmission was introduces. In the proposed DL-LEACH, the energy consumption of cluster head for remote transmission reduces and increases the energy efficiency of sensor node by reducing the transmission distance and simplifying the transmission routine for short-range transmission. As compared the general LEACH, it was adapted to a wider sensor field.

본 논문은 무선 센서 네트워크의 계층형 라우팅 프로토콜 중 대표적인 알고리즘인 LEACH(Low Energy Adaptive Clustering Hierarchy)의 원거리 전송 시의 에너지 효율이 급감하는 현상을 개선하기 위하여 DL-LEACH(Dual-hop Layered LEACH) 프로토콜을 제안한다. 이는, 데이터 전송에 듀얼 홉(dual hop : 싱글 홉 + 멀티 홉) 방식을 도입하여 근거리 전송에서는 부분적 싱글 홉 방식을, 원거리 전송에는 클러스터 헤드 간의 멀티 홉 전송 방식을 도입하였다. 제안된 DL-LEACH는 듀얼 홉 전송 방식을 사용하여 원거리 전송의 경우에는 클러스터 헤드의 에너지 소모를 줄이고, 근거리 전송의 경우에는 전송 루틴을 단순화하고 전송 거리를 줄여 센서 노드의 에너지 효율을 증가시켰다. 그러므로 일반적인 LEACH에 비교하여 넓은 센서 필드에 적합하다. 제안된 방법을 시뮬레이션을 통하여 검증하였다.

Keywords

References

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