Interview question based on skill :
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Total Questions: 5
1. OFDMA stands for ________
Correct Answer is : orthogonal frequency division multiple access
2. Why is a cyclic prefix required in an OFDMA?
Correct Answer is : To help overcome multipath and ISI
3. What does the DC subcarrier indicate?
Correct Answer is : Center of OFDM channel
4. What processing step combines multiple OFDM subcarriers into a single signal for transmission?
Correct Answer is : IFFT
5. Which property of OFDMA system allows adjacent subcarriers to be used without interference?
Correct Answer is : Orthogonality
