The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
권호 표지

Publish/Subscrib Service based Selective Sensor Data Monitoring System using Mesh Network

메쉬 네트워크에서 가입/게시(subscribe/publish) 서비스기반 선택적 센서정보 모니터링 시스템

  • 김용혁 (숭실대학교 IT대학 정보통신전자공학부) ;
  • 김영한 (숭실대학교 IT대학 정보통신전자공학부)
  • Received : 2009.11.03
  • Accepted : 2010.02.11
  • Published : 2010.03.31
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Abstract

In this paper we propose a scalable sensor network system that makes mesh network among the sink nodes to solve the scalability problem of existing sensor network which is caused by multi-hop networking between the sensor nodes. In the proposed system, the sink nodes have the wireless networking ability to communicate with another sink nodes in mesh fashion, and with the monitoring nodes which is located in the local area or internet area. Especially, the system includes L4(Application Layer) routing mechanism that provides subscribe/publish service to serve selective transmission of sensor data to the specific monitoring nodes. The collected sensor data is transmitted to the monitoring nodes when the sensor data is matched with the monitoring node's interesting value.

본 논문에서는 센서 간 다중 홉 통신으로 인해 발생하는 센서네트워크 확정성 저하 문제를 해결하기 위해 싱크노드 간 무선 메쉬네트워킹을 통한 센서네트워크 확장방법을 제안한다. 싱크노드 간 메쉬네트워킹은 기존 메쉬 네트워크 인프라와 센서네트워크를 결합하는 방안으로 메쉬네트워크의 라우터가 싱크모듈을 장착함으로 싱크노드역할을 수행하는 동시에 메쉬네트워크 내부 혹은 외부 네트워크에 위치하는 모니터링 단말로의 효율적 센싱데이터 전송이 가능한 구조를 제안한다. 특히 센서데이터가 일정 모니터링 단말로의 지속적인 데이터 전송이 아니라 다수의 센서들로부터의 데이터가 특정조건을 만족하였을 때 해당 조건의 데이터 수신을 요청하는 다수의 모니터 단말들에 대하여서 선택적으로 전송하기 위한 가입/게시 서비스 방식의 L4라우팅 방안을 제안한다. 이와 같은 제안구조를 설계 구현하여 실험을 통해 그 성능을 검증하였다.

Keywords

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