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Total Questions: 5
1. PN sequence converts _______ signal to ______ signal.
A. Narrowband, wideband
B. Wideband, narrowband
C. Unmodulated, modulated
D. Low frequency, high frequency
Show Correct Answer
Correct Answer is :
Narrowband, wideband
2. ______ is a digital multiple access system in which carrier frequencies are varied in pseudorandom order.
A. CDMA
B. FCDMA
C. FHMA
D. SDMA
Show Correct Answer
Correct Answer is :
FHMA
3. If the rate of change of the carrier frequency is greater than the symbol rate, then the system is referred as ______
A. Fast frequency hopping system
B. Slow frequency hopping system
C. Time division frequency hopping system
D. Code division multiple access system
Show Correct Answer
Correct Answer is :
Fast frequency hopping system
4. All users in CDMA system uses _____- carrier frequency.
A. Different
B. Two
C. Ten
D. Same
Show Correct Answer
Correct Answer is :
Same
5. ______ problem occurs when many mobile users share the same channel.
A. Near-far
B. Activation
C. Line of sight
D. Windowing
Show Correct Answer
Correct Answer is :
Near-far