Abstract
Generalized Frequency Division Multiplexing (GFDM) is a flexible multi-carrier transmission to overcome the disadvantages of OFDM. The weakness of GFDM, similarly to the other multicarrier signals, is a high PAPR, large PAPR signals can easily saturate the transmit power amplifier and cause degradation in Symbol Error Rate (SER) performance and Out-of-Band (OOB) emissions. In this paper, we analyze the effects of Non-Linear distortion using the Saleh model in GFDM. We investigate three parameters: CCDF of PAPR, frequency spectrum, and SER. The simulation results show that GFDM superior to OFDM in PAPR performance and spectrum if given the non-linear distortion. But non-linear distortion in GFDM cause SER performance is decreasing significantly while GFDM is less affected by linearity than OFDM.
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