Question

Which of the following is not a multipath channel parameter that can be determined from power delay profile?

(a) Mean excess delay

(b) RMS delay spread

(c) Excess delay spread

(d) Doppler spread

The question was posed to me by my school principal while I was bunking the class.

My doubt stems from Parameters of Mobile Multipath Channels topic in division Mobile Radio Propagation: Small – Scale Fading and Multipath of Wireless/Mobile

Answer 1

The correct option is (d) Doppler spread

For explanation I would say: The mean excess delay, excess delay spread and rms delay spread are some multipath channel parameters. They can be determined from a power delay profile. Doppler spread is a measure of spectral broadening caused by time rate of change of mobile radio channel.