The KIPS Transactions:PartA (정보처리학회논문지A)

Korea Information Processing Society (한국정보처리학회)
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An Adaptive Transmission Scheme for Variable Bit Rate Streaming Video over Internet

인터넷 상의 가변 비트율 비디오 스트리밍을 위한 적응형 전송 기법

  • 손성훈 (상명대학교 소프트웨어학부) ;
  • 백윤철 (상명대학교 소프트웨어학부)
  • Published : 2005.06.01
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Abstract

In this paper, we consider the transmission or variable bit rate (VBR) stored video for the distributed video streaming service over Internet. In streaming service, users often suffer from the discontinuity in playback due to the decrease in bandwidth during transmission according to bandwidth renegotiation protocol. We propose a novel transmission technique to overcome this problem for stored variable bit rate video. This scheme uses a priori information of stored VBR video to continue streaming without playback discontinuity. In addition, an approximation scheme for the buffer-bandwidth relation is proposed in order to facilitate the admission control under the proposed scheme.

본 논문에서는 인터넷 상의 분산 비디오 스트리밍 서비스에서 저장된 가변 비트율 비디오의 전송에 대해 고려한다. 스트리밍 서비스에서 전송 중에 대역폭 재조정 프로토콜에 따라 대역폭 할당이 줄게 되면 흔히 재생의 끊김 현상이 발생한다. 본 논문에서는 이러한 문제점을 극복할 수 있는 가변 비트율 비디오에 대한 전송 기법을 제안한다. 이 기법에서는 저장된 가변 비트율 비디오에 대한 사전 정보를 사용하여 재생이 끊김없이 이루어질 수 있도록 전송한다. 또한 제안된 전송 기법 하에서의 수용 제어를 위해 버퍼-대역폭 관계를 근사적으로 계산할 수 있는 기법을 제안한다.

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References

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