A.4 Differences with TS 23.271 [4] on Privacy

23.2733GPP5G System (5GS) Location Services (LCS)Release 18Stage 2TS

A.4.1 Differences in UE LCS Privacy

Table A.4.1-1 shows a list of UE LCS privacy features defined in this specification and in TS 23.271 [4], differences if any between these, and comments on these including any significant consequences.

Table A.4.1-1: Differences in UE LCS Privacy with TS 23.271 [4]

UE LCS Privacy Feature

Difference

Comments

Privacy Override Indicator (POI)

None

UE Privacy Universal Class

Not supported in this TS

This class allows a UE to subscribe to location by any LCS client. For such a UE, a 5GC GMLC will not support such location.

Location Privacy Indication

Not supported in TS 23.271 [4]

As defined in clause 5.4.2.3.

UE Privacy Call/Session related Class

Not supported in this TS

This class permits location by LCS clients to which the UE has established a PS session.

A 5GC GMLC will not allow such location. However, the location can be allowed as part of the Call/Session unrelated class.

UE Privacy Call/Session unrelated Class

Supported as defined in TS 23.271 [4] with the following differences:

An optional valid time period is added

An optional valid geographic area is added

The optional valid time period and valid geographic area allow more precise control of location reporting. For example, tracking of employees by an employer can be restricted to a work location and/or normal work hours.

UE Privacy PLMN Operator Class

Supported as defined in TS 23.271 [4]

Annex B (informative):
LCS privacy selection rule in serving NF