This page describes difference between SC-FDMA and OFDM
SC-FDMA means Single Carrier Frequency Division Multiple Access and OFDM means Orthogonal Frequency Division Multiplexing.
As shown in the figure in SC-FDMA one extra module DFT is added before IFFT module in the transmitter chain and IDFT is added in the receiver chain.
SC-FDMA system usually will have low PAPR compare to OFDM system.
SC-FDMA system is less sensitive to frequency offset compare to OFDM system.
SC-FDMA is widely used in LTE subscriber terminals in the transmit path while OFDM is used in many technologies such as wimax-16d/16e, WLAN-11a/11n/11ac.
difference between FDM and OFDM
Difference between SC-FDMA and OFDM
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Difference between TDD and FDD
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