3GPP 24.501 v20.0.0 — the document's own text
9.11.2.15 Service-level-AA payload type
Taught in 4. Inside TS 24.501, the document at the centre (CT1 — the group that writes what your phone says, overview).
The purpose of the Service-level-AA payload type information element is to indicates type of payload included in the Service-level-AA payload information element.
The Service-level-AA payload type information element is coded as shown in figure 9.11.2.15.1 and table 9.11.2.15.1.
The Service-level-AA payload type information element is a type 4 information element with length of 3 octets.
| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
|---|---|---|---|---|---|---|---|---|
| Service-level-AA payload type IEI | octet 1 | |||||||
| Service-level-AA payload type length | octet 2 | |||||||
| Service-level-AA payload type | octet 3 |
Figure 9.11.2.15.1: Service-level-AA payload type information element
Table 9.11.2.15.1: Service-level-AA payload type information element
| Service-level-AA payload type (octet 3):Bits | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | UUAA payload (see NOTE 1) | |
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | C2 authorization payload (see NOTE 2) | |
| All other values are spare, and the receiving entity shall ignore the service-level-AA payload type value set to a spare value. | |||||||||
| NOTE 1: If the service-level-AA payload type indicates UUAA payload, the field for the service-level-AA payload of the Service-level AA payload information element is an application layer payload for UUAA procedure between the UE supporting UAS services and the USS.NOTE 2: If the service-level-AA payload type indicates C2 authorization payload, the field for the service-level-AA payload of the Service-level-AA payload information element is an application layer payload for C2 authorization procedure between the UE supporting UAS services and the USS. |