Question

The phase difference between a direct line of sight path and diffracted path is function of _______

(a) Height and position of obstruction

(b) Only height

(c) Operating frequency

(d) Polarization

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I'm obligated to ask this question of Diffraction in portion Mobile Radio Propagation: Large – Scale Path Loss of Wireless/Mobile

Answer 1

Correct option is (a) Height and position of obstruction

To elaborate: The phase difference between a direct line of sight path and diffracted path is a function of height and position of the diffraction. It is also a function of transmitter and receiver location.