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Message Delivery and Energy Consumption Analysis on Pocket Switched Network Routing Protocols

Pocket Witched Network 라우팅 프로토콜의 메시지 전송 및 에너지 소비 분석

  • Cabacas, Regin (Dept. of Information and Telecommunication Engineering, Kunsan National University) ;
  • Ra, In-Ho (Dept. of Information and Telecommunication Engineering, Kunsan National University)
  • Received : 2013.09.01
  • Accepted : 2013.11.26
  • Published : 2013.12.25

Abstract

Despite the development of the Internet, both in terms of technology and coverage, there are still remote areas and scenarios where connectivity is very difficult to achieve. Pocket Switched Network is a network paradigm that takes the advantage of human mobility to disseminate data. Factors such as mobility of nodes, link failures, discharged batteries, are among the challenges that may compromise connectivity in these networks. This paper presents a performance analysis of existing routing schemes for PSN in terms of delivery probability, overhead ratio, average latency and average residual energy when the number of nodes is increased. We seek to identify a scheme that maximizes data delivery while minimizing communication overhead and thus extending the network lifetime.

인터넷 기술의 발전과 사용범위 및 영역이 지속적으로 확장되고 있지만 아직도 네트워크 연결성을 제공할 수 없는 원격지역과 상황들이 상당히 존재한다. Pocket Switched Network(PSN)은 모바일 송수신 장치를 휴대한 사람이 제공하는 이동성을 활용하여 인터넷을 사용할 수 없는 지역에서도 데이터 전송을 가능케 하는 네트워크로서 PSN에서는 노드의 이동성, 링크 고장, 배터리 방전 등의 문제점을 고려하여 데이터 전송을 위한 네트워크 연결성을 계속적으로 유지해 주는 것이 매우 중요하다. 본 논문에서는 현재까지 제안된 주요 PSN 라우팅 기법들을 살펴보고 이것들의 성능을 분석하기 위해 네트워크 노드 수를 증가시키면서 전송 확률, 오버헤드 비율, 평균 전송지연, 평균 잔여에너지양의 변화를 실험을 통해 비교한다. 또한, 실험 결과를 통해 데이터 전송을 최대화하면서 에너지 소비는 최소화하여 네트워크 수명을 연장할 수 있는 기법을 제시한다.

Keywords

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