| No. | 표준번호 | 표준명 | 제/개정일 ▲ |
|---|---|---|---|
| 4543 | TTAT.3G-38.415V16.1.0 | 3GPP - NG-RAN; PDU session user plane protocol | 2020-09-11 |
| 4542 | TTAT.3G-38.420V15.2.0 | 3GPP - NG-RAN; Xn general aspects and principles | 2020-09-11 |
| 4541 | TTAT.3G-38.420V16.0.0 | 3GPP - NG-RAN; Xn general aspects and principles | 2020-09-11 |
| 4540 | TTAT.3G-38.421V15.1.0 | 3GPP - NG-RAN; Xn layer 1 | 2020-09-11 |
| 4539 | TTAT.3G-38.421V16.0.0 | 3GPP - NG-RAN; Xn layer 1 | 2020-09-11 |
| 4538 | TTAT.3G-38.422V15.4.0 | 3GPP - NG-RAN; Xn signalling transport | 2020-09-11 |
| 4537 | TTAT.3G-38.422V16.0.0 | 3GPP - NG-RAN; Xn signalling transport | 2020-09-11 |
| 4536 | TTAT.3G-38.423V15.8.0 | 3GPP - NG-RAN; Xn Application Protocol (XnAP) | 2020-09-11 |
| 4535 | TTAT.3G-38.423V16.2.0 | 3GPP - NG-RAN; Xn Application Protocol (XnAP) | 2020-09-11 |
| 4534 | TTAT.3G-38.424V15.2.0 | 3GPP - NG-RAN; Xn data transport | 2020-09-11 |
