Fdma

SC-FDMA disadvantages

SC-FDMA disadvantages
  1. What is the main disadvantage of FDMA technique?
  2. What are the advantages of SC-FDMA?
  3. What is the benefit of SC-FDMA compared to OFDMA?

What is the main disadvantage of FDMA technique?

Disadvantages of FDMA :

Due to the simultaneous transmission of a large number of frequencies, there is a possibility of inter modulation distortion at the transponder. It is suitable only for analog signals. Storage, enhancement of signals is not possible.

What are the advantages of SC-FDMA?

Owing to its inherent single carrier structure, a prominent advantage of SC-FDMA over OFDM and OFDMA is that its transmit signal has a lower peak-to-average power ratio (PAPR), resulting in relaxed design parameters in the transmit path of a subscriber unit.

What is the benefit of SC-FDMA compared to OFDMA?

SC- FDMA has a lower PAPR and lower sensitivity to carrier frequency errors while OFDMA provides better frequency diversity resulting in better immunity against multipath fading.

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