With the rapid development of 3G applications,information security of mobile telecommunication system is important for security sensible applications.This article,the security mechanism of the third generation mobile telecommunication system which includes security threats etc.On this basis,puting forward a number methods that the use of the safety of mobile terminals 3G smartphone.%随着3G应用的快速发展,移动通信系统的安全性至关重要,特别是针对安全敏感的应用.本文研究了第三代移动通信系统的信息安全机制,包括第三代移动通信系统面临的信息安全威胁等.在此基础上对以3G智能手机为代表的移动终端的安全使用提出了一些方法.
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