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在介绍第三代移动通信系统网络接入的安全构架的基础上,分析了3G系统的优势。并讨论了3G系统中有待进一步研究的问题。
On the basis of introducing the security framework of the third generation mobile communication network access, the advantages of 3G system are analyzed. And discussed the 3G system to be further studied.