ETSI TS 103 246-5 V1.1.1 (2016-01)

ETSI TS 103 246-5 V1.1.1 (2016-01)






TECHNICAL SPECIFICATION
Satellite Earth Stations and Systems (SES);
GNSS based location systems;
Part 5: Performance Test Specification

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2 ETSI TS 103 246-5 V1.1.1 (2016-01)



Reference
DTS/SES-00349
Keywords
GNSS, location, MSS, navigation, performance,
receiver, satellite, system, terminal

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3 ETSI TS 103 246-5 V1.1.1 (2016-01)
Contents
Intellectual Property Rights . 6
Foreword . 6
Modal verbs terminology . 6
Introduction . 6
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 7
3 Definitions, symbols and abbreviations . 8
3.1 Definitions . 8
3.2 Symbols . 10
3.3 Abbreviations . 10
4 General . 10
4.1 GBLS Performance Features . 10
4.2 Conformance Test Statistics . 11
4.3 GBLS Performance Class Determination . 11
5 General test conditions . 11
5.1 Introduction . 11
5.2 Environmental conditions . 11
5.3 GNSS signal conditions . 11
5.3.1 Applicable GNSS constellations . 11
5.3.2 GNSS signal level . 11
5.3.3 GNSS frequency . 12
5.3.4 GNSS Multi-system Time Offsets . 12
5.4 Operational Environments . 12
5.5 Assistance Data . 12
5.6 Test Configurations . 12
5.6.1 General Set-Up . 12
5.6.2 GNSS Signal Generator . 12
5.6.3 Sensor Simulators/Stimulators . 13
5.6.4 Telecoms RF Simulators . 13
5.6.5 GBLS output measurement data . 13
6 Horizontal and Vertical Position Accuracy . 14
6.1 Test Objectives & Case definitions . 14
6.2 Method of Test . 14
6.2.1 Introduction. 14
6.2.2 Initial conditions . 14
6.2.3 Measurement Procedures . 14
6.2.3.1 Test cases T-HVA-01/02/03: Moving location target . 14
6.2.3.2 Test cases T-HVA-04/05/06: Static location target . 15
6.2.4 Measurement Data Analysis . 15
6.2.4.1 General . 15
6.2.4.2 Horizontal Position Error . 15
6.2.4.2.1 Moving location target . 15
6.2.4.2.2 Static location target . 16
6.2.4.3 Vertical Position Error . 16
6.2.4.4 Confidence Intervals . 17
6.2.5 Pass/fail criteria . 17
6.2.6 GBLS Class Allocation . 17
7 Time-to-First-Fix (TTFF) . 17
7.1 Test Objectives & Case definitions . 17
7.2 Method of Test . 18
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4 ETSI TS 103 246-5 V1.1.1 (2016-01)
7.2.1 Introduction. 18
7.2.2 Initial conditions . 18
7.2.3 Measurement Procedures . 18
7.2.3.1 Test cases T-TTF-01 to -05: Moving location target . 18
7.2.3.2 Test cases T-TTF-05 to -08: Static location target . 19
7.3 Pass/fail criteria . 19
7.4 GBLS Class Allocation . 19
8 Position Authenticity . 19
8.1 Test Objectives & Case definitions . 19
8.2 Method of test . 20
8.2.1 Introduction. 20
8.2.2 Initial conditions . 20
8.2.3 Measurement procedures . 20
8.2.3.1 Test cases T-PA-01 and T-PA-02: Moving location target . 20
8.2.3.2 Test cases T-PA-03 and T-PA-04: Static location target . 20
8.2.4 Measurement Data Analysis . 21
8.2.4.1 Probability of False Alarm (Test cases T-PA-01 and T-PA-03) . 21
8.2.4.2 Probability of Detection (Test cases T-PA-02 and T-PA-04) . 21
8.3 Pass/Fail Criteria . 21
8.3.1 T-PA-01 and T-PA-03 . 21
8.3.2 T-PA-02 and T-PA-04 . 21
8.4 GBLS Class allocation . 21
9 Robustness to Interference . 22
9.1 Test Objectives & Case definitions . 22
9.2 Method of Test . 22
9.2.1 Initial conditions . 22
9.2.2 Measurement Procedure . 22
9.3 Pass/fail criteria . 23
9.4 GBLS Class Allocation . 23
10 GNSS sensitivity . 23
10.1 Test Objectives & Case definitions . 23
10.2 Method of Test . 23
10.2.1 Initial conditions . 23
10.2.2 Procedure . 23
10.3 Pass/fail criteria . 25
10.4 GBLS Class Allocation . 25
11 Position Integrity . 25
11.1 Test Objectives & Case definitions . 25
11.2 Method of Test . 26
11.2.1 Initial conditions . 26
11.2.2 Procedure . 26
11.3 Pass/fail criteria . 26
11.4 GBLS Class Allocation . 26
Annex A (normative): Test Configurations . 27
A.1 Anechoic Chamber Test Configuration . 27
A.2 Wired Connections Test Configuration . 27
Annex B (normative): Scenarios for tests . 28
B.1 GNSS Scenario . 28
B.2 Telecoms Scenarios . 28
B.3 Sensor Scenarios . 28
Annex C (normative): Formulae to convert East and North coordinates to Along- and
Cross-Track coordinates . 29
C.1 Coordinates conversion formulae . 29
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5 ETSI TS 103 246-5 V1.1.1 (2016-01)
Annex D (normative): Rules for statistical testing . 30
D.1 For 95 % success rate, 95 % Confidence Level . 30
D.2 For 90 % success rate, 95 % CL . 32
D.3 Formulae to compute the confidence interval for the mean value of one-dimensional errors . 33
D.4 Formulae to compute the confidence level for percentile values of one-dimensional errors . 34
Annex E (informative): GBLS Implementation profiles . 35
E.1 Overview . 35
E.2 Implementation Profile #1 . 35
E.3 Implementation Profile #2 . 37
E.4 Implementation Profile #3 . 38
E.5 Implementation Profile #4 . 39
E.6 Implementation Profile #5 . 40
E.7 Implementation Profile #6 . 41
E.8 Implementation Profile #7 . 42
Annex F (informative): Bibliography . 43
History . 44

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6 ETSI TS 103 246-5 V1.1.1 (2016-01)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This Technical Specification (TS) has been produced by ETSI Technical Committee Satellite Earth Stations and
Systems (SES).
The present document is part 5 of a multi-part deliverable covering GNSS-based Location Systems (GBLS), as
identified below:
Part 1: "Functional requirements";
Part 2: "Reference Architecture";
Part 3: "Performance requirements";
Part 4: "Requirements for location data exchange protocols";
Part 5: "Performance Test Specification".
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
Introduction
The increasing proliferation of location-based services is based on several trends in user applications and devices; these
include notably the widespread adoption of multi-functional smart-phones, etc., and the wider adoption of tracking
devices (e.g. in transport). This need for new and innovative location-based services is generating a need for
increasingly complex location systems. These systems are designed to deliver location-related information for one or
more location targets to user applications.
The wide spectrum of technical features identified in ETSI TR 103 183 [i.1] calls for a new and broader concept for
location systems, taking into account hybrid solutions in which GNSS technologies are complemented with other
technology sensors to improve robustness and the performance.
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7 ETSI TS 103 246-5 V1.1.1 (2016-01)
1 Scope
The present document specifies the procedures for testing conformance of a GNSS-based Location System (GBLS)
with the Performance Requirements specified in ETSI TS 103 246-3 [3].
The tests specified are of a complete GBLS, considered as "Black Box" i.e. the tests are made at outputs of the system
in response to stimuli applied at the inputs. The tests are defined for laboratory testing only, and not in the "field".
2 References
2.1 Normative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
reference document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are necessary for the application of the present document.
[1] ETSI TS 103 246-1: "Satellite Earth Stations and Systems (SES); GNSS based location systems;
Part 1: Functional requirements".
[2] ETSI TS 103 246-2: "Satellite Earth Stations and Systems (SES); GNSS based location systems;
Part 2: Reference Architecture".
[3] ETSI TS 103 246-3: "Satellite Earth Stations and Systems (SES); GNSS based location systems;
Part 3: Performance requirements".
[4] ETSI TS 103 246-4: "Satellite Earth Stations and Systems (SES); GNSS based location systems;
Part 4: Requirements for location data exchange protocols".
2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
reference document (including any amendments) applies.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are not necessary for the application of the present document but they assist the
user with regard to a particular subject area.
[i.1] ETSI TR 103 183: "Satellite Earth Stations and Systems (SES); Global Navigation Satellite
Systems (GNSS) based applications and standardisation needs".
[i.2] ETSI TS 137 571-1: "Universal Mobile Telecommunications System (UMTS); LTE; Universal
Terrestrial Radio Access (UTRA) and Evolved UTRA (E-UTRA) and Evolved Packet Core
(EPC); User Equipment (UE) conformance specification for UE positioning; Part 1: Conformance
test specification (3GPP TS 37.571-1)".
[i.3] IEEE 802.11™: "Wireless Local Area Networks".
[i.4] IEEE 802.15.1™: for Bluetooth.
[i.5] IEEE 802.15.4a™: for low rate WPAN.
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8 ETSI TS 103 246-5 V1.1.1 (2016-01)
[i.6] ETSI TS 145 001: "Digital cellular telecommunications system (Phase 2+); Physical layer on the
radio path; General description (3GPP TS 45.001)".
[i.7] ETSI TS 125 104: "Universal Mobile Telecommunications System (UMTS); Base Station (BS)
radio transmission and reception (FDD) (3GPP TS 25.104)".
[i.8] ETSI TS 136 171: "LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); Requirements
for Support of Assisted Global Navigation Satellite System (A-GNSS) (3GPP TS 36.171)".
[i.9] M.M. Desu, D. Raghavarao: "Non-parametric Statistical Methods For Complete and Censored
th
Data", CRC press, 29 September 2003.
[i.10] RINEX: The Receiver Independent Exchange Format Version 2.10.
[i.11] RINEX: The Receiver Independent Exchange Format Version 3.02.
3 Definitions, symbols and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in ETSI TS 103 246-1 [1] and the following
apply:
accuracy (or error): difference between a measured or estimated value and its real value
almanac: information providing coarse orbit and coarse clock model information for GNSS satellites. Database
providing location information for a reference network used for positioning
assistance: use of position data from, typically, a telecommunications network to enable a GBLS receiver to acquire
and calculate position more quickly (e.g. A-GNSS)
availability: measures percentage of time when a location system is able to provide the required location-related data
class A, B, C: classes categorize the performance level of the GBLS for a given performance feature
NOTE: In all cases Class A is the highest performance class and C is the lowest.
cold-start: condition of the GBLS GNSS receiver having no accurate prior information on the position, velocity and
time of the location target, or on the positions of any of the GNSS satellites
continuity: likelihood that the navigation signal-in-space supports accuracy and integrity requirements for duration of
intended operation
NOTE: Continuity aids a user to start an operation during a given exposure period without an interruption of this
operation and assuming that the service was available at beginning of the operation. Related to the
Continuity concept, a Loss of Continuity occurs when the user is forced to abort an operation during a
specified time interval after it has begun (the system predicts service was available at start of operation).
continuity risk: probability of detected but unscheduled naviga
...