Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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A study of data harvest in distributed sensor networks

분산 센서 네트워크에서 데이터 수집에 대한 연구

  • Park, Sangjoon (School of Computer Information & Communication Engineering, Gunsan National University) ;
  • Lee, Jongchan (School of Computer Information & Communication Engineering, Gunsan National University)
  • 박상준 (군산대학교 컴퓨터정보통신공학부) ;
  • 이종찬 (군산대학교 컴퓨터정보통신공학부)
  • Received : 2015.04.02
  • Accepted : 2015.05.07
  • Published : 2015.05.31
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Abstract

In sensor networks, sensor nodes are usually distributed to manage the networks in continuous unique area, however as by the network property nodes can be located in several areas. The data gathering of distributed nodes to several areas can be different with current continuous area. Hence, the distributed networks can be differently managed to the current continuous networks. In this paper, we describe the data gathering of sensor nodes in distributed sensor areas. It is possible that sensor nodes cannot instantly connect the mobile sink, and the node operation should be considered. The real time data sending to the instant connection scheme of mobile sink can be implemented, but the property of mobile sink should be considered for the sink connection of distributed areas. In this paper, we analyze the proposed scheme by the simulation results. The simulation results show that the overall lifetime to the periodic data gathering method is longer than the threshold method.

센서 네트워크에서 센서 노드의 구성은 연속적인 단일한 지역에 분포하기도 하지만 네트워크의 특성에 따라 여러 분리된 지역에 노드들이 분포하여 네트워크를 운영할 수 있다. 여러 지역에 분포된 센서 노드에 대한 자료 수집은 기존의 연속적인 지역의 자료 수집과는 특성이 달라질 수 있다. 따라서 분산된 지역에 의한 센서 네트워크의 운영은 기존의 연속적인 네트워크와는 다르게 운영될 수 있다. 본 논문에서는 분산된 지역에서 분포된 센서 노드에 대한 데이터 수집 방안에 대해 기술한다. 분산된 지역의 노드들은 이동 싱크와의 즉각적인 연결이 불가능할 수 있으므로 노드의 운영방안에 대해 고려하여야 한다. 이동 싱크와의 즉각적인 연결 방안에서는 실시간 데이터 전송이 가능하겠지만 분산 지역에서의 싱크 연결은 이동 싱크의 이동 특성을 고려하여야 한다. 본 논문에서는 시뮬레이션 결과를 통하여 제안 방안을 분석하고자 한다. 시뮬레이션 결과에서 분산 센서 네트워크에서 주기적 데이터 수집 방안이 임계치 방안에 의한 데이터 수집보다 전체 운영시간이 더 길게 나타냄을 보이고 있다.

Keywords

References

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