Q. Which signalling scheme is preferred for fading channel?

View solution

Q. What are the modes of adaptive equalizer?

View solution

Q. Diversity technique

View solution

Q. Which is more effective and commonly preferred technique?

View solution

Q. Diversity technique is applied at

View solution

Q. Diversity technique is used for combating

View solution

Q. The technique for combining diversity signals are

View solution

Q. Frequency tracking loop can minimize irreducible error rate by using

View solution

Q. If signalling rate is less than fading rate, _____ fading occurs.

View solution

Q. When transmitter and receiver moves towards each other, the magnitude of frequency shift is

View solution

Q. The effect of Doppler shift can be counterattacked by

View solution

Q. Flat fading can be avoided or stopped by

View solution

Q. If coherence bandwidth is smaller than the bandwidth of the signal, _____ fading occurs.

View solution

Q. Block fading occurs in

View solution

Q. Coherence time is _______ to Doppler spread.

View solution

Q. When a user’s moving, the user’s velocity causes shift in frequency. This is called as

View solution

Q. Minimum time required for magnitude change or phase change is called as

View solution

Q. When channel coherence time is less than the time duration of a transmission symbol, then ______ fading occurs.

View solution

Q. Channel’s time spreading properties are

View solution

Q. When channel coherence bandwidth is greater than the transmitted signal bandwidth ______ occurs.

View solution