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
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.