3GPP网络架构演进分析
肖征荣,张智江,张范
System Architecture Evolution of 3GPP
Zhengrong Xiao,Zhijiang Zhang,Fan Zhang
电信科学 . 2007, (9): 8 -12 .  DOI: 10.3969/j.issn.1000-0801.2007.09.002