5.8 Set UAI test function

38.5093GPP5GSRelease 17Special conformance testing functions for User Equipment (UE)TS

5.8.1 General

The SS uses the Set UAI test procedure to trigger a change of preference in the UE that will cause the indication of UE Assistance Information (UAI) by the UE, see figure 5.8.1-1. The different types of information that can be sent in a SET UAI REQUEST is preferred RRC state, see clause 6.8.

Figure 5.8.1-1: Set UAI test procedure

5.8.2 Initiation

The SS requests the UE to set the preferred RRC state of UE Assistance Information by transmitting a SET UAI REQUEST message and the UE confirms by responding with a SET UAI RESPONSE message.

5.8.3 Reception of SET UAI REQUEST message by UE

When UE receives SET UAI REQUEST message then the UE shall:

  1. if the UE is operating in RRC_CONNECTED state:

2> set its preferred RRC state within the release preference, to the equivalent value as received in the Preferred RRC State of the SET UAI REQUEST message.

2> transmit SET UAI RESPONSE message.

1> else:

2> the UE behaviour is unspecified.