1. | Small scale fading describes the _________ fluctuations of the amplitude, phases of a signal. |
Answer: (a).Rapid
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2. | Fading is caused by interference. |
Answer: (a).True
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3. | Which of the following is not an effect caused by multipath in radio channel? |
Answer: (c).Power of base station
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4. | In urban areas, fading occurs due to height of mobile antenna ________ than height of surrounding structure. |
Answer: (b).Smaller
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5. | Fading does not occur when mobile receiver is stationary. |
Answer: (b).False
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6. | Apparent shift in frequency in multipath wave is caused due to relative motion between________ |
Answer: (d).Mobile and base station
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7. | Doppler shift is directly proportional to __________ |
Answer: (a).Velocity
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8. | Which of the following factor does not influence small scale fading? |
Answer: (b).Power density of base station
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9. | Signal will distort if transmitted signal bandwidth is greater than bandwidth of __________ |
Answer: (c).Multipath channel
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10. | What is a measure of the maximum frequency difference for which signals are strongly correlated in amplitude? |
Answer: (a).Coherence bandwidth
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