Rohde & Schwarz SMBV-K361 User manual

R&S®SMBV-K361, R&S®SMBVB-
K361, R&S®SMW-K361
eCall Test Suite
User Manual
1178659102
Version 09
(;ÜÏé2)

This manual describes the following R&S®CMWrun option for software version V1.9.10 or higher:
●R&S®SMBV-K361 (eCall test suite)
●R&S®SMBVB-K361 (eCall test suite)
●R&S®SMW-K361 (eCall test suite)
© 2022 Rohde & Schwarz GmbH & Co. KG
Muehldorfstr. 15, 81671 Muenchen, Germany
Phone: [phone] - 0
Email: [email protected]
Internet: www.rohde-schwarz.com
Subject to change – data without tolerance limits is not binding.
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
Trade names are trademarks of the owners.
1178.6591.02 | Version 09 | R&S®SMBV-K361, R&S®SMBVB-K361, R&S®SMW-K361
The following abbreviations are used throughout this manual: Options R&S®SMBV-K361, R&S®SMBVB-K361, and R&S®SMW-K361
are abbreviated as R&S SMx-K361. R&S® is abbreviated as R&S. R&S®SMBV100A and R&S®SMBV100B are abbreviated as
R&S SMBV.

Contents
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Contents
1 Key features............................................................................................5
2 Prerequisites.......................................................................................... 7
3 Test setup............................................................................................... 9
4 System configuration.......................................................................... 10
4.1 Preparation of controller PC...................................................................................... 10
4.2 Preparation of instrument connection...................................................................... 10
4.3 Preparation of IVS connection................................................................................... 11
5 Test configuration................................................................................ 16
5.1 Connection setting......................................................................................................16
5.2 Vehicle simulation setting.......................................................................................... 17
5.3 GNSS simulation setting............................................................................................ 19
5.4 Signal power setting................................................................................................... 19
5.5 Test case setting......................................................................................................... 20
5.6 Advanced settings...................................................................................................... 22
6 Test results........................................................................................... 25
7 Monitoring.............................................................................................27
8 Test module details..............................................................................29

Contents
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Key features
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1 Key features
The test suites R&S SMx-K361 provide eCall tests with the sequencer tool
R&S CMWrun. The tests are performed on a connected in-vehicle system (IVS). The
tests are as closely aligned with the selected test specification as possible.
The following standards are supported:
●European Union regulation 2017/79, annex VI, Technical requirements for compati-
bility of eCall in-vehicle systems with the positioning services provided by the Gali-
leo and the EGNOS systems
●United Nations regulation ECE/TRANS/WP.29/GRSG/2017/12, annex 8, Test meth-
ods for the navigation solutions
The test equipment simulates a global navigation satellite system (GNSS). The
R&S CMWrun controls the test equipment via SCPI commands and the IVS typically
via vendor-specific commands. The test cases can be performed fully automatic, with-
out user interaction.
Table 1-1: Supported test cases
Test case Test purpose
1. Verify NMEA transmis-
sion from DUT
Checks that the GNSS receiver outputs the navigation parameter data to
external devices in NMEA-0183 format
2. Location accuracy (static
receiver)
Estimates the error in the evaluation of the plane view and altitude in the
autonomous static mode. A static location is simulated and the error between
actual and determined location is calculated
3. Location accuracy (mov-
ing receiver) open sky
Estimates the error in the evaluation of the plane view, altitude and velocity in
the dynamic mode. A certain trajectory is simulated and the error between
actual and determined location as well as the velocity error is calculated
4. Location accuracy (mov-
ing receiver) intermitted
reception and urban can-
yon
Estimates the error in the evaluation of the plane view, altitude and velocity in
the dynamic mode with signal impairments. A certain trajectory is simulated,
signal is faded and partly blocked. The velocity error and the error between
actual and determined location as well as the velocity error is calculated
5. Time-to-first fix (TTFF)
under cold start conditions
Determines the time to first navigation fix for a reset receiver. The ephemeris
and almanac data from all satellites are cleared and thus, the receiver has to
gain all data and the time to first fix is measured. One measurement step
comprises signal acquisition at the TX level of -130 dBm and the cold start of
the DUT, until it can acquire the signal again. The cold start is executed with
specified repetitions. The same is executed with the TX level of -140 dBm.
The averaged measurement time must not exceed 60 s for the signal level of
-130 dBm and 300 s the signal level of -140 dBm.

Key features
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Test case Test purpose
6. Reacquisition time Evaluates the restore time for signal tracking for a certain GNSS constella-
tion after tracking was lost due to signal blockage. To simulate blockage, the
radio frequency signal is switched off for a specified time and the recovery
time is measured after the signal was switched on. One measurement step
comprises signal off, signal on, until the DUT can acquire the signal again.
Each step is executed with specified repetitions.
7. Tracking and acquisition
sensitivity
Verifies the sensitivity of the GNSS navigation module in signal acquisition
mode and in tracking mode. The acquisition time is measured with the signal
level of -144 dBm. The tracking time is measured with the signal level of
-155 dBm. The reacquisition time is measured after configurable signal
blockage with the signal level of -150 dBm. The acquisition, tracking and
reacquisition time must be within the required limits of ≦3600 s for TAcquisition,
≧600 s for TTracking, and ≦60 s for TReacquisition.

Prerequisites
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2 Prerequisites
Required equipment for R&S SMBV-K361:
●R&S SMBV100A for GNSS simulation must be equipped with the following options:
Hardware:
– HW option R&S SMBV-B10
– HW option R&S SMBV-B103/-B106
Minimum required options:
– R&S SMBV-K44, GPS
– R&S SMBV-K66, Galileo
– R&S SMBV-K91, extension to 12 satellites
– R&S SMBV-K92, GNSS enhanced (motion files, atmospheric effects)
– R&S SMBV-K96, extension to 24 satellites
– R&S SMBV-K110, SBAS
Additional options for full test coverage:
– R&S SMBV-K102, antenna pattern and R&S SMBV-K103, spinning and attitude
simulation for test location accuracy with moving receiver - intermitted recep-
tion and urban canyon (test case 4)
– R&S SMBV-K94, GLONASS for testing in line with UN specification (test cases
1 to 7)
●R&S CMWrun base software, version 1.8.10 or higher.
No smart card and no licenses are required for R&S CMWrun.
Required equipment for R&S SMBVB-K361:
●R&S SMBV100B for GNSS simulation must be equipped with the following options:
Hardware:
– HW option R&S SMBVB-B103
Minimum required options:
– R&S SMBVB-K520 real-time extension
– R&S SMBVB-K44, GPS
– R&S SMBVB-K66, Galileo
– R&S SMBVB-K106, SBAS
Additional options for full test coverage:
– R&S SMBVB-K108, antenna pattern, spinning and attitude simulation for test
location accuracy with moving receiver - intermitted reception and urban can-
yon (test case 4)
– R&S SMBVB-K94, GLONASS for testing in line with UN specification (test
cases 1 to 7)
●R&S CMWrun base software, version 1.9.6 or higher.
No smart card and no licenses are required for R&S CMWrun.

Prerequisites
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Required equipment for R&S SMW-K361:
●R&S SMW200A for GNSS simulation must be equipped with the following options:
Hardware:
– HW option R&S SMW-B10
– HW option R&S SMW-B103/-B203
Minimum required options:
– R&S SMW-K44, GPS
– R&S SMW-K66, Galileo
– R&S SMW-K106, SBAS
Additional options for full test coverage:
– R&S SMW-K108, antenna pattern, spinning and attitude simulation for test
location accuracy with moving receiver - intermitted reception and urban can-
yon (test case 4)
– R&S SMW-K94, GLONASS for testing in line with UN specification (test cases
1 to 7)
●R&S CMWrun base software, version 1.9.5 or higher.
No smart card and no licenses are required for R&S CMWrun.

Test setup
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3 Test setup
The following figure provides an overview of the test setup. In this example, the instru-
ment R&S SMBV100A is used. The test setup with another supported instrument is
similar.
The test setup comprises the following components:
●An instrument, providing GNSS signals to the IVS for positioning.
Connect the RF output port of the instrument to the RF port of the IVS (GNSS
receiver).
●A computer executing the R&S CMWrun.
The computer controls the instrument via SCPI connections (typically LAN). It con-
trols the IVS typically via vendor-specific commands on a serial port interface.
●External attenuator is recommended for levels below -120 dBm, refer to "External
Power Attenuation" on page 20.

System configuration
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4 System configuration
This chapter describes everything you have to do before using the system for the first
time. Skip this chapter if you already have an operable system.
●Preparation of controller PC....................................................................................10
●Preparation of instrument connection..................................................................... 10
●Preparation of IVS connection.................................................................................11
4.1 Preparation of controller PC
To set up the controller PC, install the base software of R&S CMWrun. No smart card
and no licenses are required for the R&S CMWrun with the R&S SMx-K361 eCall test
suite.
Refer to the sequencer user manual, section Installation.
Ignore the message indicating no license is found.
4.2 Preparation of instrument connection
1. For remote control of the instrument, configure the resource settings "Resources"
menu > "SCPI Connections". Configure the SCPI resource settings compatible to
the test instrument. For the control of R&S SMBV, the entry with an alias "SMBV" is
used. For the control of R&S SMW200A, the entry with an alias SMW is used.
Refer to the sequencer user manual, section Resources > SCPI Connections.
2. Configure measurement report settings.
For standard view of the measurement report, deselect "Treat "Ignored" as
"Failed"" in the configuration dialog of measurement report, tab "Fail Options".
To access the measurement report configuration dialog, proceed as follows:
a) To configure measurement report globally for all the tests, select "Resources"
menu > "Measurement Report..."
Preparation of instrument connection

System configuration
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b) For only test plan-specific measurement report settings, double-click your test
plan in the "File Browsers" on the left, the tab "Test Plans". On the test plan
toolbar, select "Resources" menu > "Measurement Report...", use the button
"Create Specific Settings".
The settings of test plan specific resources are saved within the test plan.
4.3 Preparation of IVS connection
1. For the remote control of an IVS, configure the resource settings in "Resources"
menu > "Serial Port". Use settings compatible to your IVS.
Refer to the sequencer user manual, section Resources > Serial Port.
2. The following steps configure DUT attributes and properties.
Create your test plan:
a) In the tab "Test Plans", specify a directory where you store your test plans.
b) Open configuration dialog via "File" > "New Testplan...".
Preparation of IVS connection

System configuration
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c) In the tab "Tests", select the installed eCall test plan.
d) Press "OK".
3. Save your test plan in the directory created in step 2.
4. Prepare your DUT's file:
a) In the tab "DUTs", you find several pre-defined DUT's configurations. To create
your own, double-click IVSTemplate.xml to open configuration dialog "Edit
DUT Properties".
b) Modify "Manufacturer" entry to assign DUTs name. Otherwise, you overwrite
the pre-defined template.
Preparation of IVS connection

System configuration
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c) In the tab "Automation", configure the DUT-related automation methods, that
are used for DUTs commands.
See also section DUT Files and Automation of the R&S CMWrun base manual.
The test module supports the AT commands via COM ports and ADB com-
mands. You can also mix control methods, e.g., ADB shell command sending
with COM port NMEA reading. The default port is specified via "Resources" >
"Serial Port".
Set all commands for which parameters are available. Furthermore, it is impor-
tant to set the control method for the "IVS" -> "Read Back" function to read the
NMEA stream properly.
For AT commands, map the serial ports accordingly to bi-directional or two-way
usage.
● Bidirectional: uses common serial port for IVS configuration and the trans-
mission of NMEA messages.
● Two-way: configurates two serial ports to separate control connection and
the connection for NMEA data.
Preparation of IVS connection

System configuration
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d) Each DUT command is connected to a new row in the corresponding dialogue.
A waiting time after the execution can be set for each single command. Set
also not needed commands to "not in use" to avoid automated stops for man-
ual input. ASCII or hexadecimal notations are supported.
e) Set all needed commands to control method "default"
f) Set all not needed commands to control method "not in use"
During test case execution, only command requests for all "default" commands
show up
5. Assign a test plan to a DUT:
In the tab "Test Plans", select your test plan created in step 2. Select "Add" and
"OK".
Preparation of IVS connection

System configuration
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Your test plan is now assigned to your DUT.
6. Always start your tests from the tab "DUTs" by double-clicking a test plan assigned
to your DUT. It guarantees, that the test plan executes the vendor-specific com-
mands of your DUT. Otherwise, the test plan is aborted with the error, "DUT type
not found".
Preparation of IVS connection

Test configuration
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5 Test configuration
The property dialog box leads you to individual test configuration dialogs.
You can open the property dialog box from the "Testplan Details" subtab. Double-click
the node, for example . Or select the node and click "Properties ...".
The property dialog box lists global settings, test case-specific settings for all suppor-
ted eCall test cases from test specifications, and advanced settings for non-conform-
ance settings.
"Set all to Default" resets all settings: global settings, the settings of all test cases, and
advanced settings.
Changing the default settings results in deviation from the recommendations of test
specifications. Any such change is indicated in the measurement report. Test specifica-
tion parameter values are always shown in SCPI report.
Use the navigation tree on the left, to open the corresponding configuration dialog. For
description, refer to the following sections.
●Connection setting.................................................................................................. 16
●Vehicle simulation setting........................................................................................17
●GNSS simulation setting......................................................................................... 19
●Signal power setting................................................................................................19
●Test case setting..................................................................................................... 20
●Advanced settings...................................................................................................22
5.1 Connection setting
Specifies the data rate for NMEA stream transmitted by the GNSS generator.
Connection setting

Test configuration
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Set to Default
Resets all settings in the dialog.
5.2 Vehicle simulation setting
Specifies the geo-position of the IVS and simulates its movement.
Simulation Start Date/Time........................................................................................... 18
Reference Vehicle Location.......................................................................................... 18
Files for Movement and Visibility...................................................................................18
Set to Default................................................................................................................ 19
Vehicle simulation setting

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Simulation Start Date/Time
Specifies the time signaled within the generated positioning data.
Reference Vehicle Location
Specifies the IVS location for the tests. Select predefined location or specify geographi-
cal position manually in coordinate system WGS84.
Files for Movement and Visibility
Selects files with predefined movement geo-coordinates. The files are used by the test
case 3 and 4, see "Test Cases 3 and 4" on page 21.
The following files complying standard are provided in the installation package:
●eCallT3_T4.txt for full reception, starting in Munich, Germany, elliptical trajec-
tory with changing velocity
The file is suitable for test cases 3 and 4.
●eCallUrbanCanyon.ant_pat for poor reception, e.g., between two buildings,
with the following antenna pattern:
The file is suitable for test case 4.
Vehicle simulation setting

Test configuration
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Table 5-1: Predefined urban canyon
Zo
ne
Elevation Azimuth Attenuation Description
A 0° to 5° 0° to 360° ≦ -100 dB No signal
B 5° to 30° 210° to 330° -40 dB Shield to the west
C 5° to 30° 30° to 150° -40 dB Shield to the east
remaining remaining 0 dB Open sky
Set to Default
Resets all settings in the dialog including pre-defined files.
5.3 GNSS simulation setting
Defines standard to be followed during the measurements.
Test Procedure.............................................................................................................. 19
Set to Default................................................................................................................ 19
Test Procedure
Selects the standard:
●European Union regulation 2017/79, annex VI, Technical requirements for compati-
bility of eCall in-vehicle systems with the positioning services provided by the Gali-
leo and the EGNOS systems
●ECE/TRANS/WP.29/GRSG/2017/12, annex 8, Test methods for the navigation sol-
utions
Set to Default
Resets all settings in the dialog.
5.4 Signal power setting
Configures RF power.
Signal power setting

Test configuration
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Received Satellite Power
Specifies the power of one GPS, Galileo, and for ECE/TRANS/WP.29 tests also GLO-
NASS satellite.
External Power Attenuation
Specifies external power attenuation.
External attenuator is recommended for levels below -120 dBm for the following rea-
sons:
●The level uncertainty increases for lower levels
●The maximum attenuation of the internal step attenuator is -150 dBW. Lower levels
are achieved by reducing the internal amplification. The signal level goes down, but
the noise floor remains at a constant level. Applying an external attenuator instead
decreases the signal level and the noise floor to the same degree, thus maintaining
the dynamic range.
●The minimum of the level setting range is -200 dBW. Attenuators are the only way
to reach even lower levels
Refer to Chapter 3, "Test setup", on page 9.
Set to Default
Resets all settings in the dialog.
5.5 Test case setting
The dialog box lists all supported eCall test cases from the selected test specification.
Click an individual test case to the left, to open the corresponding configuration dialog.
Most of the signal settings are by default according to the test specification.
Test case setting