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A Low Power Lifelog Management Scheme Based on User Movement Behaviors in Wireless Networks

무선 네트워크 환경에서 사용자 이동행위 기반 저전력 라이프로그 관리기법

  • 이명규 (가천대학교 IT대학 컴퓨터공학과) ;
  • 황희정 (가천대학교 IT대학 컴퓨터공학과)
  • Received : 2015.02.09
  • Accepted : 2015.04.10
  • Published : 2015.04.30

Abstract

With the ever-improving performance of smartphone cameras and the universal dissemination of cloud services, users can now record and store the events in their daily lives more easily and conveniently. The advent of lifelogging technology has been changing the uses as well as the paradigm of internet services, and emphasizing the importance of services being personalization. As the amount of lifelog data becomes vast, it requires an efficient way to manage and store such vast information. In this paper, we propose an low power lifelog management scheme based on user movement behaviors in wireless networks. In order to reduce the power consumption of a smartphone, in our proposal, frequency of data collection and transfer can be dynamically adjusted based on a user's movement pattern. The analytical results show that our approach achieves better performance than that of the existing lifelog management scheme.

스마트폰 카메라 성능이 좋아지고 클라우드 서비스가 보편화되면서 사용자는 자신의 일상을 기록하고 저장하기가 더욱 편리해졌다. 이러한 라이프로그 기술의 출현은 인터넷 서비스의 이용 뿐 아니라 패러다임을 변화시키고 개인 맞춤형 서비스의 중요성을 강조하고 있다. 라이프로그 데이터의 양이 방대해질수록, 방대한 정보를 관리하고 저장할 수 있도록 효과적인 방법이 필요하게 된다. 본 논문은 무선 네트워크 환경에서 사용자 이동행위를 기반으로 저 전력 라이프로그 관리기법을 제안한다. 제안기법에선 스마트 폰의 전력소모를 최소화하기 위해서 사용자의 이동패턴을 기반으로 라이프로그 수집 및 전송 주기를 조정한다. 수학적 분석결과 제안된 기법은 기존의 라이프로그 관리 기법보다 더 좋은 성능을 보임을 확인할 수 있었다.

Keywords

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