Q. ______ leads to time dispersion and frequency selective fading.

View solution

Q. Which of the following s not a characteristic of flat fading?

View solution

Q. Spectral characteristics of the channel changes with time in flat fading.

View solution

Q. Flat fading channel is also known as _______________

View solution

Q. In a frequency selective fading, mobile radio channel possess a constant gain and a linear phase over bandwidth smaller than bandwidth of transmitted signal.

View solution

Q. Frequency selective fading channels are also known as ________

View solution

Q. Frequency selective fading does not induce intersymbol interference.

View solution

Q. For fast fading channel, the coherence time of the channel is smaller than _______ of transmitted signal.

View solution

Q. In slow fading channel, Doppler spread of the channel is much less than the ________ of baseband signal.

View solution

Q. Which of the following distribution is used for describing statistical time varying nature of received envelope of multipath component?

View solution

Q. Envelope of the sum of two quadrature Gaussian noise signal obeys _________ distribution.

View solution

Q. For a Rayleigh fading signal, mean and median differ by _______

View solution

Q. It is easy to compare different fading distributions using mean values instead of median values.

View solution

Q. For a nonfading signal component present, the small scale fading envelope distribution is ____________

View solution

Q. Ricean distribution degenerates to ________ distribution when the dominant component fades away.

View solution

Q. The envelope of a bandpass noise is __________

View solution

Q. The envelope of a sinusoid plus bandpass noise has __________

View solution

Q. What do you call an attenuation that occurs over many different wavelengths of the carrier?

View solution

Q. Which of the reception problems below that is not due to multipath?

View solution

Q. Which of the following is not a statistical models for multipath fading channels?

View solution