Uncrewed aerial system service supplier uncrewed aerial vehicle authorization and authentication event subscription

A method of performing a network function at a second network entity, the method comprising:

• receiving, by the second network entity from a first network entity, a request to establish or modify a protocol data unit (PDU) session, wherein the first network entity received the request from a device;
• requesting, by the second network entity to the first network entity, an event subscription, wherein the event subscription is associated with an event of an uncrewed aerial system (UAS) service supplier (USS) uncrewed aerial vehicle (UAV) authorization and authentication (UUAA) status of the device;
• and
• receiving, at the second network entity, an event notification from the first network entity, wherein the event notification comprises:
• an acknowledgement of the event subscription;
• the UUAA status;
• or a combination thereof.

An apparatus for performing a network function of a first network entity, the apparatus comprising:

• at least one memory;
• and
• at least one processor coupled with the at least one memory and configured to cause the apparatus to:
• receive, by the first network entity from a device, an uplink (UL) non-access stratum (NAS) transport message comprising:
• a protocol data unit (PDU) session establishment request message;
• and
• an indicator indicating that the PDU session establishment request message is for establishing a PDU session for an uncrewed aerial system (UAS) service;
• and
• send a notification from the first network entity to a second network entity indicating a UAS service supplier (USS) uncrewed aerial vehicle (UAV) authorization and authentication (UUAA) status of the device.

A method of performing a network function at a first network entity, the method comprising:

• receiving, by the first network entity from a device, an uplink (UL) non-access stratum (NAS) transport message comprising:
• a protocol data unit (PDU) session establishment request message;
• and
• an indicator indicating that the PDU session establishment request message is for establishing a PDU session for an uncrewed aerial system (UAS) service;
• and
• sending a notification from the first network entity to a second network entity indicating a UAS service supplier (USS) uncrewed aerial vehicle (UAV) authorization and authentication (UUAA) status of the device.