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Aeronautical Channel Scenarios

This page covers various Aeronautical channel scenarios such as parking, taxi, flight arrival, en-route from air to air and from air to ground during landing.

Specifications Parking scenario Taxi scenario Arrival scenario En-route (Air to Air) En-route (Air to Ground)
Air craft Velocity in mph 0 to 5.5 0 to 15 25 to 150, typically 85 17 to 440, typ.250 620
Maximum Delay (worst case) 7x10-6 7x10-6 7x10-6 66x10-6 to 200x10-6 33x10-6 to 1.0x10-3
Number of echo paths 20 20 20 20 20
fdLOS/fdmax - 0.7 1 1 1
Rice factor (dB) - 6.9 9 to 20, 15(mean value) 2 to 20, 15(mean value) 2 to 20, 15(mean value)
Start angle of Beam (Degree) 0.0 Degree 0.0 Degree -90 Degree 178.25 Degree 178.25 Degree
End angle of Beam (Degree) 360 360 90 181.75 181.75
Exp. or two Ray Exp. Exp. two ray two ray two ray

LDACS(L Band Digital Aeronautical Communication System) RELATED LINKS

Difference between LDACS1 versus LDACS2
LDACS1 frame structure
LDACS2 frame structure
LDACS1 physical layer
LDACS2 physical layer
Difference between TDD and FDD
Air Traffic Management

RF and Wireless Terminologies