1 Scope

37.4823GPPE1 signalling transportRelease 17TS

The present document specifies the standards for Signalling Transport to be used across the E1 interface. The E1 interface provides means for the interconnection of gNB-CU-CP and gNB-CU-UP within the NG-RAN architecture (TS 38.401 [2]), or for the interconnection of ng-eNB-CU-CP and ng-eNB-CU-UP within the NG-RAN architecture (TS 38.401 [2]), or for the interconnection of eNB-CP and eNB-UP within the E-UTRAN architecture (TS 36.401 [13]).