ETSI TS 121 201-2012 长期演进技术.基于演进分组系统(EPS)的3GPP系统技术规范和技术报告(版本10.2.0).3GPP TS 21.201(版本10.2.0,第10次发布)
LTE; Technical Specifications and Technical Reports for an Evolved Packet System (EPS) based 3GPP system V10.2.0; 3GPP TS 21.201 version 10.2.0 Release 10