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Spirent Solves Three Big Challenges in LEO Constellation Design and Development

Business is booming in Low Earth Orbit (LEO). ABI Research predicts that up to 2,400 new LEO satellites will be launched in 2023, joining the 4,500 already in orbit, and with the number approved for deployment reaching 30,000 by the end of the decade. Meanwhile, the number of subscribers using LEO satellite services is set […]

Jeremy Bennington | Jul 2023

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How to Minimize Latency in a Hardware-in-the-Loop PNT Testbed

A GNSS simulator is an essential test instrument for dynamic platforms of all kinds. The simulator produces replica GNSS signals that are controllable and repeatable, allowing the assessment and qualification of PNT systems such as GNSS receivers. For applications where PNT capabilities are safety- and liability-critical, one goal of the test regime should be to […]

Romain Zimmermann | Jun 2023

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Unlocking the Potential of Commercial Satellite Navigation with SimXona

Commercial low Earth orbit (LEO) satellite constellations have the potential to introduce new positioning, navigation and timing (PNT) signals to complement existing global navigation satellite systems (GNSS), providing resilience, security, and high precision to navigation users. More than 20x closer to Earth compared to medium Earth orbit (MEO), providing stronger signals from LEO is attractive […]

Tyler Reid, Co-Founder And CTO, Xona Space Systems | Jun 2023

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Latency: What It Is and How It Can Affect Your PNT Test Environment

Dynamic platforms of all kinds—from driverless cars to military drones—depend on accurate and reliable positioning, navigation and timing (PNT) technologies to ensure mission success. An advanced way to maximize PNT accuracy and reliability in such vehicles is to use a multi-sensor system, in which sensors like cameras, LiDAR and inertial measurement units (IMUs) work in […]

Romain Zimmermann | May 2023

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GNSS Forecasting Proven to Improve Position Accuracy in Deep Urban Environments

NOTE: This blog is a summary of a paper delivered at ION GNSS+ 2022, titled GNSS Performance Evaluation for Deep Urban Environments using GNSS Foresight. If drones and autonomous vehicles are to operate safely in deep urban areas, one major technical problem needs to be overcome. Tall buildings and other features can block an autonomous […]

Esther Anyaegbu | Jan 2023