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Example hardware-in-the-loop set up showing why latency matters in autonomous vehicle testing. 

Why latency matters?  

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Eleftherios Drosinos

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Sim3D is an innovative 3D modelling system that creates a realistic environment for the testing of multipath and obscuration effects.

Sim3D Realistic Multipath and Obscuration Simulation

Blog - Simulating GNSS multipath and obscuration effects on connected and autonomous vehicles

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Blog - As new GNSS receiver standards emerge, developers face new test challenges 

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Blog - Connected vehicles present new test challenges for GNSS receiver developers

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Blog - Performance testing for a new generation of Galileo PRS + GPS M-Code receivers

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pnt-blog-10-28-2020 Multipath GNSS signals are a threat to timing receivers in 4G and 5G networks

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Blog - The GPS week rollover is due on 6 April: test your receivers now to avoid issues

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Circle Spoofing Blog Image 1 Strava heatmap from Tehran, showing circle spoofing pattern. Image courtesy of Dana Goward

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Blog - Positioning, Navigation and Timing in a Connected and Automated World

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Blog - Positioning systems testing for precision agriculture: what OEMs and integrators need to know

Blog - New threats to GNSS require new approaches to receiver testing


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Blog - New GNSS signals bring new simulation challenges for receiver developers

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Blog - GPS week number rollover (WNRO): telescopes, weather balloons and traffic lights among the affected

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Self-driving vehicles require GNSS receiver developers to master sensor fusion testing

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Blog - Testing GNSS antennas in connected and autonomous vehicles: Simulating RF signals over the air

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Blog - Italdesign achieves accurate and flexible autonomous vehicle positioning and navigation testing with Spirent 

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Assuring the Promise of Hybrid Cloud Services

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A guide for engineers integrating GPS / GNSS capabilities into new devices 

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Timing accuracy in multipath conditions: significant deviations exceed ITU-defined tolerances

Blog - Commercial CubeSat missions: why GNSS testing with a simulator is essential

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Automotive Positioning – GNSS Receiver Selection Challenges

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Circle Spoofing Blog Image 2 Observed receiver behaviour in Spirent’s circular motion spoofing scenario. 

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Blog - Developers of high-end GNSS timing receivers face new test challenges

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Timing accuracy in clear-sky conditions: timing outputs remain well within the 100ns performance threshold

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Test approach options for a GNSS controlled radiation pattern antenna (CRPA) system


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The Spirent GSS9000 Multi-Frequency, Multi-GNSS RF Constellation Simulator sets a new standard of excellence in GNSS RF Simulation for R&D and performance test. It produces a comprehensive range of emulated multi-GNSS, multi-frequency RF signals with ultimate class-leading flexibility, coherence, fidelity, performance, accuracy and reliability. 

GSS9000 Multi-Frequency, Multi-GNSS RF Constellation Simulator

Stuart Smith 

GSS7000 Datasheet

Recent GNSS issues provide new test cases for receiver developers

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The GSS7000 enables precise positioning, such as required for in-car navigation systems

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Blog - Recent GPS and Galileo issues provide new test cases for receiver developers

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Stuart Smith

Developers of connected and autonomous vehicles are exploring RTK and PPP for precise positioning. Spirent explores the need for simulation of error correction messages.

Testing RTK and PPP for precise positioning in connected and autonomous vehicles

Developers of connected and autonomous vehicles are exploring the potential of RTK and PPP for precise positioning. This blog explores the need for lab-based simulation of error correction 

For 5G Security – Mitigate risks, maximize opportunities.

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Mia Swain

For How to Construct a GPS/GNSS Test Plan

The Spirent GSS9000 Multi-Frequency, Multi-GNSS RF Constellation Simulator sets a new standard of excellence in GNSS RF Simulation for R&D and performance test.

CPhys, FRIN,  Product Manager – GNSS Vulnerabilities 

Guy Buesnel

The complexity of 5G security is so overwhelming that it actually creates a new form of risk: inertia.

5G is a limitless market opportunity—if you can reduce the risks for end users, your supply chain, and your business.  

5G Security – Mitigate Risks, Maximize Opportunities

Sr. Product Manager

Alain Vouffo

Trust Spirent to simplify your technology lifecycle with our testing, assurance, and automation solutions. Accelerate development in the lab, ensure new products and services perform in the real world, and automate labs and networks to be more efficient and secure.

Bring new technologies to your customers  in weeks, not months.

Bring new technologies to customers in weeks, not months.

Precision multi-frequency, multi-GNSS simulation.

GSS9000 Series GNSS Simulator

Customer Support Center

Spirent CEO Eric Updyke accepts the PLC Award for Innovation in Technology, which recognises achievement by a company listed on the London Stock Exchange.

Spirent scoops PLC Award for Innovation in Technology

No longer the preserve of powerful state actors, spoofing is a growing threat for GNSS-enabled equipment. Understanding how spoofing works and how to mitigate the potential impact of an attack is a key concern for developers of both commercial and military/government applications.

Growing reliance on GNSS technology means developers must address the threat of spoofing. Find out more.

GNSS Signal Spoofing

Hear our recommendations for accelerating development and ensuring performance of cutting-edge technologies such as 5G, SD-WAN and cloud.

Empower your business with knowledge

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Our solutions address the rising complexity and expanded security vulnerabilities of next-generation technologies so our clients can deliver the innovative products and services they’ve promised.

Accelerate development and ensure performance in the real world

Related Resources

Fully controllable emulation of inertial sensor outputs.

SimINERTIAL

Testbed setup for 1PPS and PTP outputs from the timing receiver device under test (DUT)

Accelerating time to market, reducing complexity, optimizing user experience, and hardening security defenses.

Automated testing & assurance for networks, security, and positioning

Spirent Introduces SimIQ to Accelerate GNSS Product Evolution. Enables greater collaboration and faster product development through I/Q data streaming

 Spirent Introduces SimIQ to Accelerate GNSS Product Evolution

Technical Support Contact Details

Test approach options for a GNSS controlled radiation pattern antenna (CRPA) system

Connected autonomous vehicle developers must understand the impact of multipath and obscuration on the GNSS receiver. Spirent explores the need for 3D simulation.

Simulating GNSS multipath and obscuration effects on connected and autonomous vehicles

Developers of connected autonomous vehicles must understand the impact of multipath and obscuration on the GNSS receiver. This blog explores the need for 3D simulation in the research lab. 

For Spirent solutions help NTT and Furuno develop pioneering multipath mitigation algorithm for GNSS timing receivers

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Choosing the receiver for your GNSS-dependent device is a key step in product development. However, with so many products on the market, how do you decide which one is best suited to your needs? And how do you find out how it will perform post-integration?



Choosing the receiver for your GNSS-dependent device is a key step in product development.

How to choose a GNSS receiver

Knowledge Base

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Learn how Sim3D multipath simulation software could benefit your business.

Will Thornton

The journey to full autonomy is a challenging one for autonomous vehicle developers. Restrictions on real-world location testing, the cost of drive testing, the pace of change, and the critical nature of safety considerations can impair a product’s growth.


Webinar | Achieving Autonomous Driving with Simulation and Testing 

Achieving Autonomous Driving with Simulation and Testing 

Anti-jamming and anti-spoofing capabilities are becoming essential features of mission-critical GNSS receivers and dependent systems. In the military domain, the need to protect mission-critical PNT systems led to the development of adaptive antennas, which are now also increasingly used in commercial applications such as surveying, mining and autonomous vehicles. Adaptive antenna systems need to be thoroughly tested, particularly if they are to be used in safety and liability-critical contexts.

Watch this webinar from Spirent and DLR on Improving Jamming and Spoofing Robustness with Multi-antenna GNSS Simulation. 

Spirent Blog

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