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

  • 제40권7호
  • /
  • Pages.1377-1384
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  • 2015
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  • 1226-4717(pISSN)
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  • 2287-3880(eISSN)
한국통신학회 (The Korean Institute of Commucations and Information Sciences)
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선박 네트워크에서 신뢰성있는 멀티미디어 데이터 전송을 위한 자원 관리 기법

A Resource Management Scheme for Reliable Multimedia Data Transmission in Ship Area Networks

  • Kim, Jin-Woo (Mokpo National University Institute Research of Information Science and Engineering) ;
  • Lee, Seong Ro (Mokpo National University Department of Information & Electronics Engineering)
  • 투고 : 2015.04.02
  • 심사 : 2015.07.09
  • 발행 : 2015.07.31
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초록

본 논문에서는 혼잡상황에서 발생할 수 있는 비디오 프레임 손실을 방지하기 위한 자원 관리 기법을 제안하였다. WiMedia 프로토콜은 고속의 전송속도를 지원하기 때문에, 선박 네트워크(ship area network)등과 같은 환경에서 고속의 전송률을 요구하는 실시간 멀티미디어 서비스 제공과 같은 응용분야에 적합하다. 하지만, 혼잡 상황에서는 프레임의 중요도에 관계없이 프레임을 파기하기 때문에, 동영상 전송 품질의 저하의 원인이 되기도 한다. 본 논문에서는 기존의 WiMedia 프로토콜에서는 혼잡상황을 적절하게 대처하지 못하여 발생하는 네트워크 성능저하를 해결하는 자원 관리 기법을 제안하였다.

In this paper, a resource management scheme for preventing the video frame loss in the presence of network congestion is proposed. WiMedia protocol is suitable for the application that supports the real-time multimedia service in the ship area network since it supports high speed data transfer. However, network congestion causes the degradation of video quality, since WiMedia standard discards video frames regardless of importance of video frame. Therefore, a resource management scheme for WiMedia network is proposed in this paper. The proposed technique can intelligently treat the network congestion, and solve the degradation of video quality.

키워드

참고문헌

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