Performance Analysis of Power Amplifier Nonlinearity on Multi-Tone SWIPT

We study how the nonlinearity of the high power amplifier (HPA) affects multi-tone simultaneous wireless information and power transfer (SWIPT). Considering the nonlinear HPA model, we analyze the symbol-error rate performance of the peak-to-average power ratio (PAPR) modulation for the multi-tone S...

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Veröffentlicht in:	IEEE wireless communications letters 2021-04, Vol.10 (4), p.765-769
Hauptverfasser:	Park, Jong Jin, Moon, Jong Ho, Jang, Hyeon Ho, Kim, Dong In
Format:	Artikel
Sprache:	eng
Schlagworte:	amplifier nonlinearity Baseband Channel estimation Energy harvesting Error analysis Fading channels high power amplifier (HPA) Modulation Multi-tone SWIPT nonlinear energy harvesting Nonlinearity PAPR Peak to average power ratio Power amplifiers Power transfer Receivers Wireless communication
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Beschreibung
Zusammenfassung:	We study how the nonlinearity of the high power amplifier (HPA) affects multi-tone simultaneous wireless information and power transfer (SWIPT). Considering the nonlinear HPA model, we analyze the symbol-error rate performance of the peak-to-average power ratio (PAPR) modulation for the multi-tone SWIPT. Numerical results demonstrate that the HPA has a significant impact on both energy harvesting and information decoding while providing insights which is important to take into account the nonlinearity of the HPA when evaluating the end-to-end efficiency of the multi-tone SWIPT.
ISSN:	2162-2337 2162-2345
DOI:	10.1109/LWC.2020.3042852