[ZSA18] A Testbed for experimental performance evaluation of Multicarrier Waveforms in presence of RF PA
Conférence Internationale avec comité de lecture :
ISWCS2018,
August 2018,
pp.1,
lisbonne,
portugal,
(
DOI:
10.1109/ISWCS.2018.8491253)
Mots clés: 5G Multicarrier Waveforms; CP-OFDM; WOLA-OFDM; BF-OFDM; RF PA; Testbed
Résumé:
This paper presents an experimental testbed to evaluate the performance of the most promising 5G multicarrier waveforms (MWFs) WOLA-OFDM and BF-OFDM in presence of a real RF power amplifier (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.