uAvionix receives patent for ADS-B Inert and Alert capability for unmanned systems

uAvionix has been granted a patent for its ‘Intelligent non-disruptive Automatic Dependent Surveillance – Broadcast (ADS-B) integration for unmanned aircraft systems (UAS)’. US patent 10,991,260 provides the ability for UAS to take advantage of the safety benefits of ADS-B while minimizing spectrum utilization, aiding the safe and secure integration of Unmanned Aircraft Systems (UAS) into National Airspace Systems (NAS), says a uAvionix press release.

uAvionix first revealed this concept in a 2018 white paper titled ADS-B Inert and Alert – A solution to the ADS-B spectrum concerns, the Inert and Alert concept is designed to preserve spectrum by allowing the onboard UAS ADS-B solution to remain “inert” in a non-broadcasting “listen” mode until a safety-critical event such as a C2 lost-link or other aircraft proximity triggers it to begin broadcasting its ADS-B position as an “alert”. Once the conditions are safe again, the system reverts again to its “inert” state.

“uAvionix is a firm believer in the benefits of a cooperative airspace for UAS integration,” said Christian Ramsey, President of uAvionix. “Recognizing the concerns of over-use of the spectrum by regulators – Inert and Alert is a means to leverage ADS-B for collision avoidance while significantly reducing those concerns.”

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