The Journal of the Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회논문지)

The Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회)
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Performance Analysis of Ad hoc Networks on Real world Test-bed for High Speed Video Streaming

고속 영상 데이터 전송을 위한 애드혹 네트워크의 테스트베드 기반 성능 분석

  • Received : 2013.04.16
  • Accepted : 2013.06.14
  • Published : 2013.06.30
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Abstract

Simulation is an important technique to test and verify routing protocol correctness. However, simulation does not guarantee that the protocol works expectedly on a real world environment because it needs to rely on assumptions and simplified properties such as radio characteristics and effects of geographical constraints that may not reflect the real world networking environments. Therefore, a real world experiments are necessary to gain a practical insight into the actual performance of ad hoc networks. In this paper, we build a test-bed to evaluate multi-hop ad hoc networks for high speed video streaming inside a building using AODV-UU routing protocol. Our observation indicates that the considered ad hoc network can provide a sufficient performance for a low rate streaming data in terms of throughput, PDR (Packet delivery ratio) and the average delay.

시뮬레이션은 애드혹 네트워크 프로토콜 검증에 유용한 기법이지만 네트워킹 및 통신 환경에 대한 가정과 간소화로 인하여 실제 환경에서도 제안된 프로토콜이 요구 성능을 획득할 수 있는지 보여주기 어렵다. 따라서, 애드혹 네트워크가 현실적으로 획득할 수 있는 성능에 대한 이해를 위해서는 실제 시험 환경을 이용한 실험이 필요하며 이를 위해서는 많은 시스템 구성요소의 상호 작용을 이해하여야 한다. 본 논문에서는 건물 안에서 고속 영상 데이터 전송을 위한 실제 애드혹 네트워크 테스트베드를 구현하여 실제 네트워크 성능을 측정한다. AODV-UU를 이용하여 구축된 멀티홉 애드혹 네트워크는 Throughput, PDR, 종단간 지연 측면에서 저용량 영상데이터 전송을 위하여 요구되는 성능을 제공할 수 있음을 보인다.

Keywords

References

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  1. An Ad-hoc Routing Protocol for High-speed Multimedia Traffic Based on Path Quality and Bandwidth Estimation in Wireless Ad Hoc Networks vol.13, pp.6, 2013, https://doi.org/10.7236/JIIBC.2013.13.6.203