Journal of KIISE:Computing Practices and Letters (한국정보과학회논문지:컴퓨팅의 실제 및 레터)

Korean Institute of Information Scientists and Engineers (한국정보과학회)
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QoE Framework for Haptic-based 3D Network Virtual Environment

촉감지원 3D 네트워크 가상환경을 위한 QoE 프레임워크

  • 김종원 (광주과학기술원 정보통신공학과) ;
  • 이석희 (광주과학기술원 정보통신공학과) ;
  • 손석호 (광주과학기술원 정보통신공학과)
  • Published : 2008.10.15
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Abstract

In this paper, the prototype of haptic-based NVE (networked virtual environment) QoE (quality of experience) is proposed. The proposed framework plays a role of providing users with realistic feeling by managing the system and network resources efficiently under time-varying networks and heterogeneous systems. Therefore, first IoPH (importance of presence for haptic interaction) is defined to quantitate the sense of real that the users feel now. Then we define the haptic-based NVE components required to satisfy the haptic interaction QoE requirements. Finally, QoE adaptation scheme is suggested, which adapts the haptic-based NVE components to current network and system constraints for better haptic interaction quality.

본 논문에서는 촉감지원 NVE (networked virtual environment) QoE (quality of experience) 프레임워크의 프로토타입을 제안한다. 제안하는 NVE QoE 프레임워크는 가변적인 네트워크 상황과 이질적인 시스템 상에서도 제한된 자원을 효율적으로 사용하여 사용자에게 높은 현실감을 제공하는 것을 목표로 한다. 이를 위해서 촉감지원 NVE에서 요구되는 현실감 수준을 효율적으로 수치화 할 수 있는 방법을 제안하고 이를 기반으로 QoE 요구조건을 충족시키기 위해 필요한 컴포넌트들을 정의한다. 또한 다양한 미디어들이 결합되어있는 촉감 지원 NVE의 서비스에 따른 네트워크 요구조건을 분석하고 다양한 요구 조건을 효율적으로 수용하기 위해 필요한 촉감 지원 NVE 전송 컴포넌트들을 제안한다. 실험결과에 따르면 제안된 3D NVE QoE 프레임워크는 효율적인 cpu 및 네트워크 사용을 보장하며 이를 기반으로 제한된 자원 하에서도 사용자의 현실감을 개선시킨다.

Keywords

References

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