Blog

How to Bring Realism into Your GNSS Testing with RF Record & Playback

A record & playback system (RPS) is a key element of the professional GNSS tester’s toolbox. These portable devices allow engineers to make digital recordings of the real-world RF environment and replay them to test the performance of GNSS receivers in real conditions. Unlike the real world, this replay facility allows conditions to be repeated […]

Ajay Vemuru | Feb 2022

Blog

Alternative RF PNT & Spirent’s New Alt PNT Simulator

In a long history of navigation systems, GNSS is a relatively recent entry into the field.  Despite its newness, it is prevalent in nearly all industries.  The ability to provide instantaneous data with high accuracy and simplified operation for the end user has made GNSS a must have. Despite the pervasiveness and impact to everyday […]

Roger Hart & Phil Bonilla | Nov 2021

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Spirent Introduces GLONASS CDMA Signals into its Market-leading GNSS Simulators

Russia’s GLONASS global navigation satellite system (GNSS) is modernizing, and receiver developers will need to accommodate a shift in the way its satellites broadcast signals. Today, the 24 operational satellites of the GLONASS constellation broadcast using frequency division multiple access (FDMA). Each individual satellite broadcasts on a slightly different frequency, allowing a receiver to understand […]

Mia Swain | Oct 2021

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Spirent Debuts GNSS Reliability Forecasting for UAS and Self-Driving Cars

Unreliable GNSS reception is a major barrier to safe navigation for drones and self-driving cars. A new GNSS reliability forecasting service from Spirent tackles the problem.

Jeremy Bennington | Sep 2021

Blog

Reliable GNSS Positioning in Urban Areas: A Key Technical Challenge for Drones and Self-Driving Cars

Signal reception is one of the big technological challenges of the modern age. Today, it’s mostly thought of as a telecoms issue. If someone complains that their smartphone has ‘lost reception’, they’re most likely referring to a loss of cellular signal. And the chances are it’s because they’re in a rural location, far from any […]

Jeremy Bennington | Jun 2021