ETSI - TS 138 413
5G; NG-RAN; NG Application Protocol (NGAP)
|Publication Date:||1 April 2021|
The present document specifies the radio network layer signalling protocol for the NG interface. The NG Application Protocol (NGAP) supports the functions of the NG interface by signalling procedures defined in this document. NGAP is developed in accordance to the general principles stated in TS 38.401  and TS 38.410 .