ESTABLISHING BASELINE REQUIREMENTS
FOR A UAS GROUND-BASED SENSE AND AVOID SYSTEM
The FAA is
currently focusing its efforts on the safe integration of UAS in the national
air space NAS in an unsegregated manner.
One of the suggested methods is the development of a ground based sense
and avoid system GBSAA. This system will
become part of the NextGen airspace and will enable the safe operations of
UASs.
The FAA is
conducting its tests at New York Griffiss International Airport. The current facilties at the airport are
capable of providing cooperative and non-cooperative surveillance of UASs
operations within designated airspace allocations to test the new operation of
the new system. The airport employs a
combination of system installations that allow wide area multi-literation (WAM),
ADS-B, and 3D primary radar to track air traffic.
The baseline
requirements consist of employing a WAM capability to locate all aircraft
transponder transmissions and calculate a pinpoint position based on multi-literationd
of the transmission. This is the core of an already existing system for monitoring
aircraft movement at airports and terminal areas called Advanced Surface
Movement Guidance and Control Systems (A-SMGCS).
A-SMGCS is
defined by ICAO in as “a system providing routing, guidance and surveillance
for the control of aircraft and vehicles in order to maintain the declared
surface movement rate under all weather conditions within the aerodrome visibility
operational level (AVOL) while maintaining the required level of safety.”
The ASDE-X is
a U.S. variant of the A-SMGCS. The system provides the following fundamental
capabilities:
1) 2-D
Airport Surface Situation CWP Display
2) Controller
Conflict Alerts
3)
Surveillance and System Data Recording
4)
Surveillance Data Distribution
References
Young, R., & Brenton, S. (2016). Establishing
baseline requirements for a UAS ground-based sense and avoid system. Paper
presented at the 8D4-1-8D4-10. doi:10.1109/ICNSURV.2016.7486385
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