| 4-5G高层协议规范框架对比 | |
| 4G | 5G |
| 36.300:LTE整体 | 38.300:NR整体 |
| 36.401:E-UTRAN整体架构 | 38.401:NG-RAN整体架构 |
| 36.321:LTE MAC | 38.321:NR MAC |
| 36.322:LTE RLC | 38.322:NR RLC |
| 36.323:LTE PDCP | 38.323:NR PDCP |
| 36.331:LTE RRC | 38.331:NR RRC |
| 36.410:S1整体 | 38.410:NG整体 |
| 36.411:S1层1 | 38.411:NG层1 |
| 36.412:S1信令传输 | 38.412:NG信令传输 |
| 36.413:S1-AP | 38.413:NG-AP |
| 36.414:S1数据传输 | 38.414:NG数据传输 |
| 36.420:X2整体 | 38.420:Xn整体 |
| 36.421:X2层1 | 38.421:Xn层1 |
| 36.422:X2信令传输 | 38.422:Xn信令传输 |
| 36.423:X2-AP | 38.423:Xn-AP |
| 36.424:X2数据传输 | 38.424:Xn数据传输 |
| 36.425:X2用户面协议 | 38.425:Xn用户面协议 |
| 23.401:架构和流程 | 23.501:5G系统总体架构及功能 |
| 23.502:5G系统基本流程 | |
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