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本文着重讨论第四代移动通信系统的结构、关键技术与网络协议 ,并与3G系统作了对比。文章最后阐述了 4G的前景及对我国发展 4G的建议。
This article focuses on the fourth generation of mobile communication system structure, key technologies and network protocols, and compared with the 3G system. The article concludes with a description of the future of 4G and its recommendations for the development of 4G in China.