The troubles that OFDM faces over other spread spectrum techniques are – McqOptions

MCQOPTIONS

1.	The troubles that OFDM faces over other spread spectrum techniques are1. Sensitivity to Doppler shift2. Frequency synchronization problems3. Time synchronization problems4. Low efficiency due to guard intervals
A.	1, 2 and 3 are correct
B.	2 and 3 are correct
C.	1, 2 and 4 are correct
D.	All the four are correct
Answer» D. All the four are correct

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