With thepopularity of the extension of the fourth generation mobile network system,and introduced a 4G network system in life in all areas and,now the 4G system has become a has the flexibility and scalability of the platform.But behind the enormous advantages of 4G networks,but also hidden a huge security issues,so,this dissertation will be more characteristics of 4G network,launched an in-depth study and discussion for 4G network security problems,and put forward a series of preventive measures and Countermeasures to solve the security problems of 4G network.%随着第四代移动网络系统的推出以及4G网络系统在生活中各个领域的延伸和普及,如今4G系统已经成为一个具有灵活性、可扩展性的平台.但是4G网络巨大优势的背后,还隐藏着巨大的安全性问题,所以,本文更具4G网络的特点,针对4G网络安全问题展开了深入的研究和讨论,并且提出一系列防范措施和对策来解决4G网络安全问题.
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