A Testbed for Experimental Performance Evaluation of Multicarrier Waveforms in Presence of RF PA
2018 15th International Symposium on Wireless Communication Systems (ISWCS)(2018)
摘要
This paper presents an experimental testbed to evaluate the performance of CP-OFDM and the most promising 5G multicarrier waveforms (MWFs) WOLA-OFDM and BF-OFDM in presence of a real RF power amplifier (RF PA). In particular, we focus on the in-band and out-of-band non-linear distortions and their effects on power spectrum density (PSD) and bit error rate (BER), respectively. Testbed results are obtained in a realistic laboratory experimentation with configurable universal software radio peripherals (USRPs) based software defined radio (SDR) prototype. Testbed results confirm that different waveforms lose rapidly their good properties when non-linear RF PA is considered. Waveform performances are validated and compared via both simulations and experimental measurements.
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关键词
5G,Mtc,Multicarrier Waveforms,CP-OFDM,WOLA-OFDM,BF-OFDM,RF PA,Testbed
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