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In OFDMA, what is the relationship between the subcarrier spacing f and symbol time t?

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In OFDMA, what is the relationship between the subcarrier spacing f and symbol time t?

(a) f=t

(b) f=1/2t

(c) f=1/t

(d) no relation

This question was addressed to me in an online interview.

The doubt is from Orthogonal Frequency Division Multiple Access (OFDMA) topic in portion 4G of Wireless/Mobile

1 Answer

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Best answer
The correct choice is (c) f=1/t

Explanation: In OFDMA, the relationship between the subcarrier spacing f and symbol time t is f=1/t. They are inversely proportional.

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