By Raphael Grech On August 26, 2019
Positioning
CAV, Spirent, Autonomous vehicles, positioning, navigation, timing, precision

Autonomous vehicles require decimetre-level positioning for highway operation, and near-centimetre-level for operation on local and residential streets. But how is this achieved and verified?

By Romain Zimmermann On July 24, 2019
Positioning
Italdesign, spirent, gss7000, connected and autonomous vehicles, simulation, positioning, navigation, timing, co-simulation, GNSS, PNT, GPS

Autonomous vehicles demand rigorous testing that can be difficult to conduct on real roads. Here’s how we helped Italdesign create a flexible, integrated simulation platform.

By Alain Vouffo On April 29, 2019
Positioning
gps, gnss, CAV, connected, autonomous, vehicles, sensor, fusion, V2X, V2V, V2I, PNT, positioning, navigation, timing, GSS9000

Connected vehicles rely on a complex mix of RF technologies meaning GNSS receiver developers will need to adopt new test methods to serve this growing market.

By Guy Buesnel, CPhys, FRIN On April 3, 2019
Positioning
gnss, gps, spirent, promise assured, spoofing, jamming, interference, receivers, position, navigation, timing

With RF interference and spoofing attacks both on the rise, GNSS receiver developers must be able to simulate new threat sources in the lab.

By Mia Swain On March 11, 2019
Positioning
GNSS, signals, receivers, GPS, Galileo, BeiDou, GSS9000, GSS7000, position, navigation, timing

As the GNSS environment evolves, receiver developers must be able to test with the full range of existing and future signals. Spirent is committed to making that happen.

By Edward Knapp On February 18, 2019
Positioning
connected autonomous vehicle, spirent, positioning, navigation, timing, gnss, testing, simulation, signal, rtk, ppp, precise, real-time kinematic, precise point positioning

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

By Colin Ford On February 8, 2019
Positioning
connected autonomous vehicle, spirent, positioning, navigation, timing, gnss, testing, simulation, signal, over-the-air, chamber, RF, interference, anechoic

Developers of connected and autonomous vehicles must assess how well the vehicle’s antenna receives GNSS signals – and that requires over-the-air testing. This blog looks at the implications.

By Ali Soliman On January 21, 2019
Positioning
spirent, testing, positioning, navigation, timing, gnss, gps, receiver, simulation, 3D simulation, connected, autonomous, vehicles, multipath, obscuration

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.

By Ricardo Verdeguer Moreno On January 16, 2019
Positioning
hardware in the loop, testing, positioning, navigation, timing, connected, autonomous, vehicles, spirent, gps, gnss, resilient, simulation

Positioning is a critical capability for autonomous vehicles, and requires testing over hundreds of millions of significant miles. We explore the case for simulation with hardware in the loop.

By Romain Zimmermann On January 15, 2019
Positioning
connected autonomous vehicle, spirent, positioning, navigation, timing, gnss, sensor fusion, sensors, connected, autonomous, vehicles, CAV, driverless, cars, lidar, radar, sonar, rtk, precision, testing, simulation

Connected autonomous vehicles rely on a battery of sensors for position, navigation and timing. Our new blog series will look at four critical aspects of testing PNT capabilities in the lab.

By Guy Buesnel, CPhys, FRIN On September 18, 2017
Positioning
GPS, GNSS, navigation, sea, collision, US Navy

Two US Navy ships collide with civilian vessels in the space of two months. Was GPS spoofing to blame, or was a much less talked-about vulnerability at play?

By Guy Buesnel, CPhys, FRIN On September 14, 2015
Positioning
Positioning, Navigation, GPS, GNSS, GPS Jamming, GPS Threats, Security Vulnerabilities

Here is a look at what’s at stake for manufacturers of GPS-reliant devices as faking GPS signals becomes a widespread hacking technique.

By Rahul Gupta On May 13, 2015
Positioning
Simulate Leap Second, GNSS, GPS, UTC, Glonass, Beidou, Receiver, Timing correction, Positioning, Navigation, Compliance

For GPS systems that rely on positioning and timing data a single-second deficit can have a significant impact.