Question

Technique of drawing a single ray between the transmitter and receiver is called ______

(a) Secondary ray tracing

(b) Primary ray tracing

(c) Line of sight

(d) Straight line tracing

The question was posed to me by my college director while I was bunking the class.

My question is taken from Indoor Propagation Models in portion Mobile Radio Propagation: Large – Scale Path Loss of Wireless/Mobile

Answer 1

The correct answer is (b) Primary ray tracing

Easy explanation: PAF (path attenuation factor) represents a specific obstruction encountered by a ray drawn between the transmitter and receiver in 3-D. This technique of drawing a single ray between transmitter and receiver is called primary ray tracing.