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

  • 제11권4호
  • /
  • Pages.9-16
  • /
  • 2011
  • /
  • 2289-0238(pISSN)
  • /
  • 2289-0246(eISSN)
한국인터넷방송통신학회 (The Institute of Internet, Broadcasting and Communication)
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VLC에서 이동망간 연동성 성능분석

Performance of an Interworking on the VLC

  • 왕야 (공주대학교 대학원 정보통신공학과) ;
  • 장효뢰 (공주대학교 대학원 정보통신공학과) ;
  • 전웨이웨이 ;
  • 기장근 (공주대 전기전자제어공학부) ;
  • 이규대 (공주대학교 정보통신공학부)
  • 투고 : 2011.05.31
  • 심사 : 2011.08.12
  • 발행 : 2011.08.31
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초록

본 논문에서는 이동망에서 통신노드가 다이나믹하게 이동하는 경우, VLC 음성품질을 위지하기 위한 상호연동 구조를 다룬다. 연동구조에서 체계적인 품질 분석은 OPENT 시뮬레이터를 사용하였으며, 패킷지연율과 성능분석으로 결과를 제시하였다. 실험결과에 따라 이동노드의 수가 작을 때, PDR은 상대적으로 데이터 프래픽이 증가함에 따라 안정을 유지하며, 성능은 이동노드의 수에 영향을 받는다. 특히 MANET 노드 밀도가 크게 증가하면, 성능은 높아지지만 이동속도에 영향을 받지 않았다. 또한 FTP 업다운 응답시간은 이동속도와 노드의 수에 크게 영향을 주지 않음을 확인하였다.

This paper represents an interworking architecture for keeping the VLC audio quality between Worldwide Interoperability for Microwave Access (WiMAX) and IEEE 802.11 Mobile Ad hoc Network (MANET) where both mobile routers and mobile nodes are moving dynamically. Systematic performance analysis on the interworking architecture has been conducted by using OPNET simulator to show the results such as Packet Delivery Ratio (PDR) and throughput. Based on simulation results, when the number of MANET nodes is small, PDR remains relatively stable even though data packets increase. However, with the many MANET nodes, PDR decreases as data traffic increases. Throughput is affected by the number of MANET nodes. Especially when the MANET node density has increased further, throughput is much higher, but it is not affected by the mobility speed. However, FTP download and upload response time is not affected much by both the number of MANET nodes and the mobility speed.

키워드

참고문헌

  1. IEEE 802.16e-2005, IEEE standard for local and Metropolitan Area Network-Part 16: Air Interface for Fixed Broadband Wireless Access Systems, Amendment 2: Physical and Medium Access Control Layers for Combined Fixed and Mobile Operation in Licensed Bands, February, 2005.
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  3. Mobile Ad hoc Network (MANET) Charter. http://datatracker.ietf.org/wg/manet/charter/
  4. OPNET Simulator, http://www.opnet.com, 2011.
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