name: SUPL
full_form: Secure User Plane Location
context: This clause indicates how an LPP session relates to the SUPL message set. Figure A.3-1 shows how SUPL and LPP can be combined within a SUPL positioning session. Step 4 here is repeated to exchange multiple LPP messages between the SLP and SET. Figure A.3-1: LPP session over SUPL For positioning operations which take place entirely within an LPP session (step 4 in Figure A.3-1), the flow of LPP messages can be the same as in the control-plane version of LPP; the role of the (LPP) target is taken by the target SET, and that of the (LPP) server by the SLP. An example LPP flow, including exchange of capabilities, request and delivery of assistance data, and request and delivery of positioning information, is shown in Figure A.3-2. Figure A.3-2: LPP session over SUPL
description: Secure User Plane Location (SUPL) is a protocol used for secure user plane location services in the 5G network. It enables positioning operations and exchange of location information between the SLP (SUPL Location Platform) and SET (SUPL Enabled Terminal).
explanation: The text explicitly states that SUPL is a protocol used for secure user plane location services, highlighting its role in facilitating communication and data exchange for location-based applications.
section_title: A.3LPP session procedures using SUPL
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