Content for TS 25.172 Word version: 18.0.0
3 Definitions, symbols, abbreviations and test tolerances
4 General
5 A-GANSS minimum performance requirements
A Test cases
B Test conditions
C Propagation conditions
D Measurement sequence chart
E Assistance data required for testing
F Converting UE-assisted measurement reports into position estimates
$ Change history
3 Definitions, symbols, abbreviations and test tolerances p. 7
4 General p. 8
4.1 Introduction p. 8
4.2 Measurement parameters p. 9
4.2.1 UE-based A-GANSS measurement parameters p. 9
4.2.2 UE-assisted A-GANSS measurement parameters p. 9
4.3 Response time p. 9
4.4 Time assistance p. 9
4.5 RRC states p. 10
4.6 2D position error p. 10
4.7 User equipment supporting multiple constellations p. 10
4.8 User equipment supporting multiple signals p. 10
5 A-GANSS minimum performance requirements p. 10
5.1 Sensitivity p. 11
5.2 Nominal accuracy p. 12
5.3 Dynamic range p. 13
5.4 Multi-path scenario p. 14
5.5 Moving scenario and periodic update p. 15
A (Normative) Test cases p. 18
B (Normative) Test conditions p. 19
B.1 General p. 19
B.1.1 Parameter values p. 19
B.1.2 Time assistance p. 19
B.1.3 GANSS reference time p. 19
B.1.4 Reference and UE locations p. 20
B.1.5 Satellite constellation and assistance data p. 20
B.1.6 Atmospheric delay p. 20
B.1.7 Sensors p. 20
B.1.8 Information elements p. 20
B.1.9 GNSS signals p. 20
B.1.10 RESET UE POSITIONING STORED INFORMATION Message p. 20
B.1.11 GNSS system time offsets p. 21
C (Normative) Propagation conditions p. 22
C.1 Static propagation conditions p. 22
C.2 Multi-path case p. 22
D (Normative) Measurement sequence chart p. 24
D.1 General p. 24
D.2 TTFF measurement sequence chart p. 24
D.3 Periodic update measurement sequence chart p. 25
E (Normative) Assistance data required for testing p. 27
F (Normative) Converting UE-assisted measurement reports into position estimates p. 31
F.1 Introduction p. 31
F.2 UE measurement reports p. 31
F.3 Weighted Least Squares (WLS) position solution p. 32
$ Change history p. 35
