Journal of KIISE:Information Networking (한국정보과학회논문지:정보통신)

Korean Institute of Information Scientists and Engineers (한국정보과학회)
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An Effective Method to Reduce IPTV Channel Zapping Times using Pushed Number Key Information and Interval Time of the Events

IPTV에서 채널 번호 키 입력 이벤트가 발생 시 해당 숫자 정보와 이벤트간의 시간차를 활용하여 채널 변경 시간을 단축하는 방법

  • 유준혁 (성균관대학교 전자전기컴퓨터공학과) ;
  • 윤희용 (성균관대학교 정보통신공학부)
  • Received : 2010.07.29
  • Accepted : 2010.08.18
  • Published : 2010.12.15
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Abstract

To avoid a channel zapping delay, the device needs to predict a next channel and must download it. Previous researches suggest algorithms based on assumption by utilizing many data. How to select and download future channels is a main issue in IPTV system. Most proposal based on assumption do not guarantees complete performance of channel zapping. In this paper, we suggest an effective method to avoid a channel zapping time with a constant performance by using a number remote controller key information.

IPTV의 채널을 변경할 경우 채널 변경 시 소요되는 시간을 피하기 위해, 시스템은 사용자가 원하는 채널을 사전 미리 예측해 해당 데이터를 수신하고 있어야 한다. 사용자가 이용할 채널들에 대해 예측하는 정확도는 전체 IPTV 시스템의 성능을 결정짓는 가장 중요한 요소로, 기존의 연구들은 여러 데이터를 활용하여 사용자가 변경할 채널들에 대해 예측하는 방법을 제시했다. 이런 예측에 근거한 방법들은 사용자의 채널이동 성향이나 다양한 채널 변경 패턴에 따라 일정한 성능을 보장하지 못한다. 본 논문에서는 리모컨의 채널 번호 정보를 활용하여 채널 변경 시 지연을 줄이거나 회피하기 위해 일정한 성능을 보장하는 방법을 제시한다.

Keywords

References

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