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What is TDD and FDD?

FDD TDD
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What is TDD and FDD?

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Ans: TDD stands for Time Division Duplex and FDD stands for Frequency Division Duplex. They are different modes of CDMA. In FDD mode of transmission both the Transmitter and the Receiver transmit simultaneously. This simultaneous transmission is possible because they are both on different frequencies. In TDD mode of operation either Transmitter or Receiver can transmit at one time. This is because they use the same frequency for the transmission.

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