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Orthogonal frequency division multiplexing (OFDM) has been selected as a 5G New Radio (NR) waveform for carrier frequency below 40 GHz. In order to satisfy the low peak-to-average power ratio (PAPR) requirement for high power amplifier (PA) efficiency, OFDM with PAPR reduction is highly desirable. In this paper, we evaluate the performance of OFDM with various receiver agnostic PAPR reduction techniques in the presence of hardware impairments. The evaluations are performed in hardware-in-the-loop trials. The measurement results showed that in case of nonlinear PA and high power transmission, OFDM with PAPR reduction schemes can effectively reduce the PAPR of OFDM signals and can achieve similar performance as compared to DFT-spread-OFDM, thus OFDM with simple PAPR reduction is a viable option for 5G NR waveform. © 2020 IEEE.
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Year: 2020
Language: English
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WoS CC Cited Count: 0
SCOPUS Cited Count: 1
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 5
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