QWhich of the following multipath channel parameters cannot be determined from a power delay profile?

A power delay profile provides information about the power level of the signal as a function of time delay, i.e., the time taken by the signal to reach the receiver through different paths. The multipath channel parameters that can be determined from the power delay profile include RMS delay spread, mean excess delay, and excess delay spread. The RMS delay spread is the root mean square value of the delay spread, i.e., the time difference between the arrival of the first and the last multipath signal. Mean excess delay is the mean delay of the power delay profile relative to the first arriving signal. Excess delay spread is the spread in the delay of different multipath signals relative to the first arriving signal. However, Doppler spread is a measure of the spectral broadening caused by the time rate of change of the mobile radio channel. It is a function of the velocity of the receiver, the velocity of the transmitter, and the angle of arrival of the signal. Doppler spread cannot be determined from a power delay profile. Therefore, option B is the correct answer.