Signaling Protocol for 5G SA
Overview
NGAP stands for Next Generation Application Protocol on the N2 interface between the gNB and the AMF (Access and Mobility management function).
NGAP is transferred over SCTP (Stream Control Transmission Protocol). NGAP protocol provides transport function between UE and AMF by offering NAS signaling transport. The NAS protocol provides mobility management and session management between the UE and the AMF.
Messages
nGSetupRequest
nGSetupResponse
initialUEMessage
downlinkNASTransport
uplinkNASTransport
initialContextSetupRequest
uEContextReleaseCommand
Standards
- 3GPP TS 38.413
Related Products, Interfaces and Protocols
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