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Content for  TS 36.171  Word version:  16.1.0

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1  ScopeWord‑p. 7

The present document establishes the minimum performance requirements for A-GNSS (including A-GPS) for FDD or TDD mode of E-UTRA for the User Equipment (UE).

2  References

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TS 36.101: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) radio transmission and reception".
[2]
TS 36.104: "Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) radio transmission and reception".
[3]
TS 37.571-1: " User Equipment (UE) conformance specification for UE positioning; Part 1: Terminal conformance".
[4]
TS 36.355: "Evolved Universal Terrestrial Radio Access (E-UTRA); LTE Positioning Protocol (LPP)".
[5]
TS 36.302: "Evolved Universal Terrestrial Radio Access (E-UTRA); Services provided by the physical layer".
[6]
TS 36.214: "Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer; Measurements".
[7]
ETSI TR 102 273-1-2: "Electromagnetic compatibility and Radio spectrum Matters (ERM); Improvement on Radiated Methods of Measurement (using test site) and evaluation of the corresponding measurement uncertainties; Part 1: Uncertainties in the measurement of mobile radio equipment characteristics; Sub-part 2: Examples and annexes".
[8]
IS-GPS-200, Revision D: Navstar GPS Space Segment/Navigation User Interfaces, March 7th, 2006.
[9]
P. Axelrad, R.G. Brown, "GPS Navigation Algorithms": in Chapter 9 of "Global Positioning System: Theory and Applications", Volume 1, B.W. Parkinson, J.J. Spilker (Ed.), Am. Inst. of Aeronautics and Astronautics Inc., 1996.
[10]
S.K. Gupta, "Test and Evaluation Procedures for the GPS User Equipment": ION-GPS Red Book, Volume 1, p. 119.
[11]
TS 36.509: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); Special conformance testing functions for User Equipment (UE)".
[12]
IS-GPS-705: Navstar GPS Space Segment/User Segment L5 Interfaces, September 22, 2005.
[13]
IS-GPS-800: Navstar GPS Space Segment/User Segment L1C Interfaces, September 4, 2008.
[14]
IS-QZSS: Quasi Zenith Satellite System Navigation Service Interface Specifications for QZSS, Ver.1.1, July 31, 2009.
[15]
Galileo OS Signal in Space ICD (OS SIS ICD): Draft 0, Galileo Joint Undertaking, May 23rd, 2006.
[16]
Global Navigation Satellite System GLONASS Interface Control Document: Version 5.1, 2008.
[17]
Specification for the Wide Area Augmentation System (WAAS): US Department of Transportation, Federal Aviation Administration, DTFA01-96-C-00025, 2001.
[18]
BDS-SIS-ICD-B1I-3.0: "BeiDou Navigation Satellite System Signal In Space Interface Control Document Open Service Signal B1I (Version 3.0)", China Satellite Navigation Office, December 2019.
[19]
TS 36.306: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) radio access capabilities".
[20]
IRNSS Signal-In-Space (SPS): Interface Control Document (ICD) for standard positioning service version 1.1, Aug 2017.
[21]
TS 37.355: "LTE Positioning Protocol (LPP)".
[22]
BDS-SIS-ICD-B1C-1.0: "BeiDou Navigation Satellite System Signal In Space Interface Control Document Open Service Signal B1C (Version 1.0)", December, 2017.
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3  Definitions, symbols and abbreviationsWord‑p. 8

3.1  Definitions

For the purposes of the present document, the terms and definitions given in TS 36.101, TS 36.104 and the following apply:
Horizontal Dilution Of Precision (HDOP):
measure of position determination accuracy that is a function of the geometrical layout of the satellites used for the fix, relative to the receiver antenna

3.2  Symbols

For the purposes of the present document, the following symbols apply:
B1I
BeiDou B1I navigation signal with carrier frequency of 1561.098 MHz.
B1C
BeiDou B1C navigation signal with carrier frequency of 1575.420 MHz.
E1
Galileo E1 navigation signal with carrier frequency of 1575.420 MHz.
E5
Galileo E5 navigation signal with carrier frequency of 1191.795 MHz.
E6
Galileo E6 navigation signal with carrier frequency of 1278.750 MHz.
G1
GLONASS navigation signal in the L1 sub-bands with carrier frequencies 1602 MHz ± k × 562.5 kHz.
G2
GLONASS navigation signal in the L2 sub-bands with carrier frequencies 1246 MHz ± k × 437.5 kHz.
k
GLONASS channel number, k = -7…13.
L1 C/A
GPS or QZSS L1 navigation signal carrying the Coarse/Acquisition code with carrier frequency of 1575.420 MHz.
L1C
GPS or QZSS L1 Civil navigation signal with carrier frequency of 1575.420 MHz.
L2C
GPS or QZSS L2 Civil navigation signal with carrier frequency of 1227.600 MHz.
L5
GPS or QZSS or NavIC L5 navigation signal with carrier frequency of 1176.450 MHz.
G
Geometry Matrix.
ρGNSSm,i
Measured pseudo-range of satellite i of GNSSm.
W
Weighting Matrix.
1GNSSm,i
Line of sight unit vector from the user to the satellite i of GNSSm.
x
State vector of user position and clock bias.
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3.3  AbbreviationsWord‑p. 9

For the purposes of the present document, the following abbreviations apply:
A-GNSS
Assisted Global Navigation Satellite System
A-GPS
Assisted - Global Positioning System
AWGN
Additive White Gaussian Noise
BDS
BeiDou Navigation Satellite System
C/A
Coarse/Acquisition
DUT
Device Under Test
ECEF
Earth Centred, Earth Fixed
ECI
Earth-Centered-Inertial
E-SMLC
Enhanced Serving Mobile Location Centre
E-UTRA
Evolved UMTS Terrestrial Radio Access
E-UTRAN
Evolved UMTS Terrestrial Radio Access Network
eNB
E-UTRAN Node B
FDD
Frequency Division Duplex
GEO
Geostationary Earth Orbit
GLONASS
GLObal'naya NAvigatsionnaya Sputnikovaya Sistema (Engl.: Global Navigation Satellite System)
GNSS
Global Navigation Satellite System
GPS
Global Positioning System
GSS
GPS System Simulator
HDOP
Horizontal Dilution Of Precision
ICD
Interface Control Document
IGSO
Inclined Geosynchronous Satellite Orbit
IRNSS
Indian Regional Navigation Satellite System
IS
Interface Specification
LOS
Line Of Sight
LPP
LTE Positioning Protocol
MEO
Medium Earth Orbit
NavIC
NAVigation with Indian Constellation
QZSS
Quasi-Zenith Satellite System
RRC
Radio Resource Control
SBAS
Space Based Augmentation System
SFN
System Frame Number
SS
FDD System simulator
SV
Space Vehicle
TDD
Time Division Duplex
TLM
TeLeMetry word. It contains an 8-bits preamble (10001011)
TOW
Time Of Week
TTFF
Time To First Fix
UE
User Equipment
WLS
Weighted Least Square
WGS 84
World Geodetic System 1984
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3.4  Test tolerances

The requirements given in the present document make no allowance for measurement uncertainty. The test specification TS 37.571-1 defines test tolerances. These test tolerances are individually calculated for each test. The test tolerances are then added to the limits in the present document to create test limits. The measurement results are compared against the test limits as defined by the shared risk principle.
Shared Risk is defined in ETR 273-1-2 [7], subclause 6.5.
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