name: LPP
full_form: LTE Positioning Protocol
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: LTE Positioning Protocol (LPP) is a protocol used for positioning operations within the LTE network. It enables the exchange of location information and assistance data between the SLP (SUPL Location Platform) and SET (SUPL Enabled Terminal). LPP can be combined with SUPL (Secure User Plane Location) to provide positioning services.
explanation: LPP is classified as a Protocol because it defines the rules and format for communication between devices and systems involved in location determination within the LTE network.
section_title: A.3LPP session procedures using SUPL
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