5G Identifiers:
As similar to LTE architecture , 5G architecture contained identifiers which helps to identify the user uniquely.
However along with IMSI there are few new identifier has been introduced in 5G system.
Subscriber Permanent Identifier(SUPI):
SUPI is an unique ID allocated to each subscriber in 5G system used inside 3GPP system.
SUPI may contain following details:
- IMSI
- network specific identifier used for private networks which is derived from Network Access Identifier
- Line ID and an operating identifier of the operator administrating the Line ID value, used for supporting FN-BRGs
- HFC_Identifier and an operator identifier of the operator administrating the HFC_Identifier value, used for supporting FN-CRGs and 5G-CRG