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TS 38.305 (RAN2)
Stage 2 functional specification of
UE Positioning in NG-RAN

use "3GPP‑Page" to get the Word version
use "ETSI‑search" to get the PDF version
the ToC, based on the Word version, is reproduced for a better overview
V15.4.0 (PDF)  2019/06  74 p.

Rapporteur:  Dr. Fischer, Sven

The present document specifies the stage 2 of the UE Positioning function of NG-RAN which provides the mechanisms to support or assist the calculation of the geographical position of a UE. UE position knowledge can be used, for example, in support of Radio Resource Management functions, as well as location-based services for operators, subscribers, and third-party service providers. The purpose of this stage 2 specification is to define the NG-RAN UE Positioning architecture, functional entities and operations to support positioning methods. This description is confined to the NG-RAN Access Stratum. It does not define or describe how the results of the UE position calculation can be utilised in the Core Network (e.g., LCS) or in NG-RAN (e.g., RRM).
UE Positioning may be considered as a network-provided enabling technology consisting of standardised service capabilities that enable the provision of location applications. The application(s) may be service provider specific. The description of the numerous and varied possible location applications which are enabled by this technology is outside the scope of the present document. However, clarifying examples of how the functionality being described may be used to provide specific location services may be included.
This stage 2 specification covers the NG-RAN positioning methods, state descriptions, and message flows to support UE Positioning.

full Table of Contents for  TS 38.305  Word version:   15.4.0

 

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1  ScopeWord-p. 9
2  References
3  Definitions, symbols and abbreviationsWord-p. 10
4  Main concepts and requirementsWord-p. 12
5  NG-RAN UE Positioning ArchitectureWord-p. 16
6  Signalling protocols and interfaces
7  General NG-RAN UE Positioning proceduresWord-p. 25
8  Positioning methods and Supporting Procedures
8.1  GNSS positioning methods
8.1.1  General
8.1.2  Information to be transferred between NG-RAN/5GC ElementsWord-p. 31
8.1.3  Assisted-GNSS Positioning Procedures
8.2  OTDOA positioning
8.3  Enhanced cell ID positioning methodsWord-p. 47
8.4  Barometric pressure sensor positioningWord-p. 51
8.5  WLAN positioning
8.6  Bluetooth positioning
8.7  TBS positioningWord-p. 61
8.8  Motion sensor positioning method
A  Use of LPP with SUPLWord-p. 67
B  Change historyWord-p. 72

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