Blogs

Blogs

GLONASS moving to CDMA over the next decade.

Blog

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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New GNSS Foresight product from Spirent for Unmanned Aerial Systems

Blog

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

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

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

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Ligado possible threats to GPS signals

Blog

Ligado Controversy Highlights Risk of Adjacent Band Interference to GPS Receivers

GPS users should assess the threats posed by adjacent band interference and mitigate any risks.

Guy Buesnel | May 2021

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Navigation Beyond Visual Line of Sight - The Next Big Challenge for UAV Developers

Blog

Navigation Beyond Visual Line of Sight: The Next Big Challenge for UAV Developers

Regulators are preparing to certify UAVs to fly beyond the operator’s line of sight. A reliable positioning engine will be essential for safe, accurate navigation.

Adam Price | Apr 2021

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