The effects of digital predistortion in a CO-OFDM system – a stochastic approach
Résumé
Digital predistortion is topic of significant interest in telecommunications-both in the wireless radio field and, more recently, in photonics. In the present letter, the authors undertake a sensitivity analysis of various digital predistortion algorithms. Using recent metamodeling techniques designed for efficient stochastic analysis, the authors show that using predistortion not only leads to a reduction of the error vector magnitude in general but can also make the system less sensitive to uncertainties.
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