Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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A Study on Java COS for Devices Which Have Safe Power System

전력공급이 안정된 장치들을 위한 자바 COS에 관한 연구

  • 정민수 (경남대학교 컴퓨터공학과)
  • Received : 2010.09.02
  • Accepted : 2010.11.17
  • Published : 2011.01.31
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Abstract

Legacy Java card which adapts a Java platform loads and executes an application when electronics power is provided. However, recently the most Java cards are embedded into a mobile terminal as USIM cards, therefore the power is continually provided for the smart cards. In this case, operation of a Java card system needs to consider its operating system to be advanced in memory management, object management and transaction mechanism. In this paper, we present a high performance Java Card system which is able to have efficient installation, loading and execution of application by applying a new memory management of the smart card that has safe power system.

기존의 스마트카드에 자바 플랫폼이 탑재된 자바 카드는 리더기를 통하여 전원이 잠시 공급될 때 어플리케이션을 적재하고 실행된다. 하지만 오늘날 여러 종류의 자바 카드는 USIM 카드와 같이 이동단말기 상에 내장되어 단말기로부터 항상 전원을 공급받을 수 있다. 이와 같이 항시 전원이 공급이 될 경우, 자바 카드들의 성능개선이 가능하다. 본 논문에서는 항시 전원 공급을 받는 자바 카드의 메모리 관리 메카니즘을 보다 효과적으로 운용함으로써 성능 향상된 애플릿 설치 및 실행이 가능한 자바카드 운영체제 시스템을 제안한다.

Keywords

References

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