The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Performance Analysis of Real-Time Video Management System Based on Multi-Hop Wi-Fi Direct Communication

멀티 홉 Wi-Fi Direct 통신 기반 실시간 영상관리 시스템 성능 분석

  • Woo, Chae-yul (HMC) ;
  • Jo, Mi-ran (Dept. of Electric, Electronic & Information Communication Engineering, The Graduate School, Tongmyong University) ;
  • Kwon, Soon-ryang (Dept. of Electronics Engineering, Tongmyong University)
  • Received : 2016.08.09
  • Accepted : 2016.10.06
  • Published : 2016.11.30
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Abstract

When disasters such as earthquake, flood, typhoon, fire and terrorism are occurred a video management system is required which can shoot video on the disaster site, and send it to a server located in the command center that can grasp at a glance the site conditions. In this paper, to know the performance elements information needed to construct the video management system. we presented a method of configuring an ad hoc network based on Wi-Fi direct communication. And we also evaluated the performance through built of environment for the video management system. The evaluated performance test items are 'packet flow tests according to the video compression ratios and the image sizes', 'packet flow tests according to the distance and traffic tests', 'packet flow tests according to whether LOS or not', and 'performance test of scenarios'.

지진, 홍수, 태풍 등의 자연 재해 및 화재, 테러 등 재난 발생시 현장 상황의 영상을 촬영하여 지휘본부에 위치한 서버에 전송하여 현장상황을 한 눈에 파악할 수 있게 하는 영상관리시스템이 요구된다. 본 논문에서는 영상관리시스템 구축에 필요한 성능 요소 정보를 파악하기 위해 와이파이 다이렉트 통신 기반의 애드혹 망 구성 방법을 제시하고 영상관리시스템에 대한 환경 구축을 통해 성능을 평가하였다. 평가한 성능 시험항목은 '영상 압축률 및 영상 크기에 따른 패킷 흐름 시험', '거리에 따른 패킷 흐름 및 트래픽 시험', 'LOS(Line of Sight) 여부에 따른 패킷 흐름 시험', '시나리오 성능 시험'이다.

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References

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