Roadside Tree-Shadowing Model

• Vehicle driving orthogonal to roadside trees

• Frequency range 800 MHz – 20 GHz

• Elevation angles > 7°

• % of distance travelled from 1% to 80%

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• Model developed from measurements and applies to a vehicle driving in lanes on both sides of the road – i.e. lanes both close to and far from the trees

• The predicted fade distributions apply to highways and rural roads where, in the main, the propagation path is orthogonal to the lines of trees.

• Limitations in frequency and elevation angle

• Provides fade distribution as function of %age of distance travelled.