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

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Q. Flat fading channel is also known as _______________

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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.

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Q. Frequency selective fading channels are also known as ________

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Q. Frequency selective fading does not induce intersymbol interference.

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

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

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

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

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

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

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

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

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Q. The envelope of a bandpass noise is __________

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

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

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

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

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Q. Who presented the first statistical model for multipath fading channel?

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Q. Clarke’s model assumes a horizontal polarized antenna.

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