The Journal of Korean Institute of Information Technology (한국정보기술학회논문지)

Korean Institute of Information Technology (한국정보기술학회)
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Performance Comparison of AODV, DSR and OLSR by Link Quality

링크품질을 고려한 AODV, DSR & OLSR 라우팅 성능비교

  • Received : 2015.12.14
  • Accepted : 2016.01.16
  • Published : 2016.01.31
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Abstract

Modern tactical radios require high-speed, high-capacity and wireless techniques for future dynamic tactical operations. It also uses MANET(Mobile Ad Hoc Network) routing techniques, which are employed for efficient communications between mobile nodes. This paper proposes the Link-Quality(L-Q) model based on Friis Transmission Equation and Channel Capacity Equation to reflect tactical wireless environments. Ad Hoc On Demand Vector Routing(AODV) with and without L-Q model were compared to verify their performance difference due to the influence of the L-Q model. Three routing protocols were chosen for analysis and evaluation under the L-Q environments: AODV, Dynamic Source Routing(DSR) and Optimized Link State Routing (OLSR). The simulation results, confirmed by the implementation of the L-Q model in NS 2,35 simulations, show that AODV has better performance than DSR and OLSR protocols in terms of Packet Delivery Ratio and End-to-End Delay.

최근 전술용 무전기와 MANET(Mobile Ad Hoc Network) 라우팅 기술들은 효율적인 데이터통신을 위해 고속화, 대용량화, 무선화 기술들을 요구하고 있다. 본 논문에서는 MANET 환경에서 전술무선 환경을 반영하고자 Friis Transmission Equation를 이용하여 L-Q(Link-Quality)모델을 제안하였으며, 이를 위한 성능검증은 AODV(Ad Hoc On Demand Vector Routing)를 이용하여 L-Q모델이 적용된 상황과 적용되지 않은 상황을 비교한 결과 성능의 차이를 확인할 수 있었다. 제안된 L-Q모델이 적용된 환경에서의 가장 적합한 MANET 라우팅프로토콜의 성능평가를 위해 AODV, DSR(Dynamic Source Routing)과 OLSR(Optimized Link State Routing) 등 3개의 라우팅프로토콜을 선정하였으며, NS2.35를 이용하여 확인한 결과 Packet Delivery Ratio와 End-to-End Delay 측면에서 AODV가 DSR, OLSR 보다 전반적으로 우수하다는 것을 실험결과를 통해 확인할 수 있었다.

Keywords

References

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