摘要
用户识别模块(SIM)作为移动台的重要组成部分,在通信中代表了用户的身份和权益,是实现移动通信的关键部件。本文从专业角度介绍了 SIM 卡的标准种类、电气特性,详细阐述了其物理及逻辑结构,并按其具体功能分类,对 SIM卡的标准应用协议接口过程进行了总结。最后,根据目前市场上 SIM 卡的应用潮流,对其未来发展作了展望。
As an indispensable part of the mobile station, the Subscriber Identity Module （SIM） repre- sents the holder＇s rights and interests. It＇s also a key part of the mobile communication system. The article introduces normative categories and their electrical characteristics, physical ＆ logical structure, and summarizes the normative application interface by categories. Lastly, it prospects the future of SIM application based on the status quo.
出处
《现代电信科技》
2009年第7期68-74,共7页
Modern Science & Technology of Telecommunications
