Spirent PNT Testbench
GNSS Test Automation and Results Reporting
Testing GNSS and GPS
performance just got
much easier
Constructing and executing an
effective GNSS test plan takes
specialist knowledge, deep
experience – and time.
If you need to characterize the
fundamental GNSS performance
of your device, or assess its
resilience to interference,
PNT TestBench simplies and
accelerates the entire process.
Load up a pre-prepared test
suite, and with a single mouse-
click PNT TestBench will execute
test cases sequentially; interact
with devices under test; analyse
the results; and generate a
report.
The Challenge of GNSS/GPS Testing
Testing a device’s GNSS/GPS performance can be slow, confusing and expensive.
You need to know what to test, and how many times. As well as fundamental
performance characteristics, you also need to consider testing for resilience to
interference such as jamming and spoong.
To make things even tougher, the capabilities you want from a receiver will vary
depending on its intended use. A short Time to First Fix may be vital in automotive
applications, for example, but less so for static position surveying. Re-acquisition is
important in applications where tunnels and bridges frequently block signals, but
less so when there is little external signal obscuration.
Once you’ve decided what to test for and developed a plan, running the tests
manually can take hours – as can collating and analysing the results.
Spirent PNT TestBench: 30+ Years of Spirent Expertise in Your Lab
Spirent PNT TestBench is a test automation solution that makes GNSS/GPS testing
fast and simple. It’s been developed by Spirent drawing on our 30+ years of test
experience and expertise.
You can choose from pre-created Test Suites – selecting customizable tests that
match your device’s key GNSS capabilities, and executing them with a single click.
PNT TestBench then controls the device under test automatically through remote
commands, while logging the data it creates.
Finally, it takes the hard work out of analyzing your results, conducting the statistical
interpretation for you, and giving you a simple pass/fail based on criteria of your
choice.
Maximize Your Test Efciency with
Fully Automated PNT Testing
Effective GNSS testing demands each test be
re-run dozens of times. This is the only way
to get statistically meaningful results when
there are so many parameters involved. But
such intensive, repetitive testing can take
hours, and increase the probability of errors.
PNT TestBench saves time and promotes
accuracy with automated testing. It does
the test iterations for you, then presents you
with the results as customizable reports and
charts.
PNT TestBench Graphic User Interface (GUI) and reports
Spirent PNT Testbench
GNSS Test Automation and Results Reporting
Contact Us
For more information, call your Spirent sales representative or
visit us on the web at www.spirent.com/ContactSpirent.
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and/or product names and/or logos referred to in this document, in particular the
name “Spirent” and its logo device, are either registered trademarks or trademarks
pending registration in accordance with relevant national laws. All rights reserved.
Specications subject to change without notice.
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MCD00370 Issue 1-01 | Rev B | 09/18
Test Suites
Test Suite 1: GNSS Fundamentals
A suite of essential basic tests for GNSS-enabled systems.
Load, select, customize and repeat test cases and scenarios
to answer the key questions about GNSS performance:
• Time to rst x and reacquisition
• Acquisition & tracking sensitivity
• Static & dynamic navigation accuracy
Test Suite 2: Vulnerabilities & Threats
See how your device behaves in the presence of signal
interference including jamming, spoong, segment errors,
space weather, multipath and other threats. Test your device
with re-creations of real-world interference events, accessible
in the constantly updated PT Cloud Library:
• Real interference waveform signatures
• Observed space weather and scintillation
• Recent spoong and jamming attacks
Test Suite 3: Any Test You Need
If your test case is not covered in our built-in test suites,
Spirent Professional Services can tailor tests cases in PNT
TestBench to meet your specic needs.
Key Features
• Congurable Test Parameters
• Receiver Logging and Control
• Automated Test Execution
• Report Generation
Supported Software
PNT TestBench is designed to operate with:
• SimGEN / SimREPLAYplus / SimREPLAY v5.07 SR01 or
SimCHAN v3.03 SR05
• Only iTest v4.4
NOTE: GNSS Vulnerabilities & Threats Test Suite is currently
not supported with SimCHAN.
Supported Hardware
PNT TestBench is designed to operate with the following
Spirent GNSS signal generators:
• GSS9000-series
• GSS7000
• GSS6700
• GSS6300-family (multi-channel systems only)
Spirent GSS7725 and GSS7765 Interference Generators can
be used for Radio-Frequency Interference tests.
Supported Devices Under Test
GNSS receivers are congured and controlled via a USB or
RS232 serial communication link. Receiver drivers must be
installed for Windows OS to assign a COM port to the device.
Supports all NMEA and Android compatible receivers.
Assured to work with:
• U-Blox EVK-4, EVK-6, EVK-M8
• Javad Delta (RS232 only)
• Septentrio PolaRx4
PNT Testbench supports a wide range of GNSS receivers,
with common parameters such as serial encoding and NMEA
protocol versions supported as user dened properties
off the shelf. For ‘bespoke’ requirements we include a
receiver integration service and will aim to provide this with
congurable properties for exible product line testing.
Find Out More
To learn more about accelerating your GNSS testing with
PNT TestBench, contact your Spirent sales representative.
