Q. Fading is caused by interference.

View solution

Q. Which of the following is not an effect caused by multipath in radio channel?

View solution

Q. In urban areas, fading occurs due to height of mobile antenna ________ than height of surrounding structure.

View solution

Q. Fading does not occur when mobile receiver is stationary.

View solution

Q. Apparent shift in frequency in multipath wave is caused due to relative motion between________

View solution

Q. Doppler shift is directly proportional to __________

View solution

Q. Which of the following factor does not influence small scale fading?

View solution

Q. Signal will distort if transmitted signal bandwidth is greater than bandwidth of __________

View solution

Q. What is a measure of the maximum frequency difference for which signals are strongly correlated in amplitude?

View solution

Q. The Doppler shift for mobile moving with constant velocity, v is given by _______

View solution

Q. Doppler shift is positive if mobile is moving away from direction of arrival of the wave.

View solution

Q. Small scale variations of a mobile radio signal are directly related to _______

View solution

Q. Impulse response is a narrowband characterization.

View solution

Q. Mobile radio channel can be modelled as a ______ filter.

View solution

Q. Impulse response does not play any role in characterization of the channel.

View solution

Q. Received signal can be expressed as ______ of transmitted signal with channel impulse response.

View solution

Q. Discretization of multipath delay axis of impulse response into equal time delay segments is called __________

View solution

Q. Small scale received power is ________ of average powers received in each multipath component.

View solution

Q. The received power of a wideband signal fluctuates significantly when a receiver is moved about a local area.

View solution

Q. Average power for a CW signal is _______ to average received power for a wideband signal in small scale region.

View solution