Power Spectral Analysis-Based QoS Evaluation of VBR Video and Its Application to Fair-Pricing Scheme

전력 스펙트럼 해석에 근거한 VBR 비디오의 QoS 평가 및 Fair-Pricing 기법

  • 윤찬현 (한국정보통신대학원대학교 초고속통신망연구실) ;
  • 김상범 (한국정보통신대학원대학교 초고속통신망연구실) ;
  • 배정국 (한국정보통신대학원대학교 초고속통신망연구실)
  • Published : 2000.01.01

Abstract

Since so many potentials of services, applications, marketing and regulation, it is difficult to decide the fair pricing scheme of network services. However, these considerations are not particular to the operation of a communications network, which is closely related to technological constraints for QoS guarantee. In this paper, the power spectral analysis of MPEG video based on the P-MMBBP model is discussed in the manner of the QoS degradation to the packet delay. As a consequence of the QoS-degradation, a new fair-pricing scheme with the discount factor is proposed. As a result, the proposed scheme shows good characteristics to guarantee the fairness of the charging in the Internet wide-area network.

다양한 응용 서비스의 특성, 마케팅과 규제등으로 인하여 네트워크 서비스에 대한 공정요금을 결정하기란 매우 힘들다. 그러나 사항들을 네크워크의 운용에만 한정되는 것이 아니라 QoS 보장을 위한 기술적 제약과 관련이 있다. 본 논문에서는 P-MMBBP에 근거한 MPEG 비디오 모형에서 전력 스펙트럼 분석 기법을 사용하여 패킷의 지연 특성과 비디오 화질 저하를 평가하였다. 이를 바탕으로 QoS를 고려한 효율적 요금 기법을 도출하기 위하여 할인율을 적용한 새로운 공정요금 기법을 제안하였다. 그 결과, 제안된 요금 기법은 광역 네트워크에서 요금의 공정성을 보장할 수 있는 특성을 보였다.

Keywords

References

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