한국전자통신학회논문지 (The Journal of the Korea institute of electronic communication sciences)

한국전자통신학회 (Korea Institute of Electronic Communication Science)
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MANETs에서 양방향 트래픽에 대한 네트워크 코딩기법의 성능 평가

Performance Evaluation of Network Coding in MANETs for Bidirectional Traffic

  • 투고 : 2012.03.12
  • 심사 : 2012.06.07
  • 발행 : 2012.06.30
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초록

네트워크 코딩기법은 여러 개의 패킷을 하나의 패킷으로 압축하여 전송하는 기법으로 무선네트워크에 적용할 경우, 패킷전달횟수를 감소시킬 수 있고 채널효율성을 향상할 수 있어 관련 연구들이 활발히 이루어지고 있다. 본 논문에서는 멀티홉 Ad-hoc 네트워크에서 양방향트래픽 서비스를 위해 라우팅계층과 IP계층에 네트워크코딩기법을 적용하였다. 시뮬레이션 분석결과 트래픽부하와 종단간 홉수가 높을수록 네트워크 코딩이득이 증가하였다.

Network coding is that the nodes can combine and mix the packets rather than merely forward them. Therefore, network coding is expected to improve throughput and channel efficiency in the wireless network. Relevant researches have been carried out to adapt network coding to wireless multi-hop network. In this paper, we designed the network coding for bidirectional traffic service in routing layer and IP layer of Ad-hoc network. From the simulation result, the traffic load and the end to end distance effect the performance of the network coding. As end to end distance and the traffic load become larger, the gain of network coding become more increased.

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참고문헌

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