UCard中多COS调度问题的研究  

Research on the Multi-COS Scheduling Problem in UCard

作　　者：曹计昌[1] 李纯[1] 

机构地区：[1]华中科技大学计算机科学与技术学院,湖北武汉430074

出　　处：《计算机工程与科学》2006年第2期128-131,共4页Computer Engineering & Science

摘　　要：本文首先回顾了智能卡一卡多用的发展历史和现在的应用情况,针对智能卡一卡多用过程中出现的种种问题,介绍了一种全新的智能卡体系架构UCard的概念及其特点,并根据其特点重点讨论了UCard底层管理程序USP的COS装载、COS调度、环境清理三大主要功能;最后,对下一步研究方向进行了展望,给出了若干值得研究的问题。In this paper, the history and the current status of the multipurpose of smart cards are firstly reviewed. As for the shortcomings of traditional multi-application cards, a new type of smart card, UCard, is briefly introduced, so as its characteristics. Then its three main functions of COS Loading, COS scheduling and environment clearing are analyzed. Finally, its future directions and some important problems are also addressed.

关 键 词：UCARD USP 智能卡 COS 

分 类 号：TP333[自动化与计算机技术—计算机系统结构]