现阶段的计划

1. NR的总框架，包括两个PDF
2. PRT 的编程技巧和IE
3. 英语单词

6. Radio-Interface Architecture

6.1  网络包括两部分：RAN CN.

RAN: scheduling,radio-resource handling,retransmisstion protocols, coding, multi-antenna.

CN: authentication,charging, setup of end-to-end connections.

6.1.1 5G CORE NETWORK.

和LTE相比，增加了三部分：service-based architecture,support for netword slicing,control-plane/user-plane split.