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Matlab을 이용한 VANET 시뮬레이터 구현

Implementation of VANET Simulator using Matlab

  • 투고 : 2016.05.20
  • 심사 : 2016.06.08
  • 발행 : 2016.06.30

초록

VANET은 차량간의 통신 기능을 제공하는 MANET 분야 중의 하나이다. 본 논문에서는 차량간의 통신, 차량 움직임 특징을 나타내는 모델과 그리고 실제 차량 움직임 모델을 이용한 VANET 시뮬레이터을 제안한다. VANET은 테스트를 수행하기 위해 트래픽 시뮬레이터와 네트워크 시뮬레이터가 함께 사용되어여야 한다. 하지만 시뮬레이터는 단순하고 쉽고 가격적인 면 때문에 트래픽 시뮬레이터보다 선호한다. 본 논문의 목적은 도시 환경 시나리오에 대해 테스트 목적으로 사용될 수 있는 차량 에드혹 네트워크의 시뮬레이션을 구현하는데 있다. 구현된 시뮬레이션 환경은 VANET에서 더 나은 MAC 프로토콜을 디자인하는데 사용될 수 있다. 구현된 시뮬레이션 성능을 평가하기 위해 AODV와 DSDV 라우팅 프로토콜의 성능을 평가하였다. 성능 비교는 처리율, 패킷 손실, 종단간의 지연을 이용하였다. 성능 비교 결과 DSDV가 AODV보다 처리율, 종단간의 지연, 그리고 패킷 손실에서 성능이 우수함을 보였다.

VANET are a special kind of MANET adapted to the communications between vehicles. In this work, we propose the models used for representing the communication among vehicles, vehicles mobility features, and VANET simulator using realistic vehicular mobility models. VANET requires that a traffic and network simulator should be used together to perform this test. But, simulator tool has been preferred over traffic simulation because it simple, easy and cheap. Goal of this paper is to create a simulation of Vehicular Ad-Hoc network for urban scenario which can be used for testing purposes. Such environment can be used while designing better MAC protocols in VANETs. We are evaluating the performance of two routing protocols namely AODV and DSDV. The comparison was based on the throughout, packet loss and end-to-end delay. We found that DSDV has less throughput performance and high routing overhead than AODV. On average end-to-end delay and packet loss, AODV performs better than DSDV.

키워드

참고문헌

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