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ABSTRACT
In this article, we proved that the filter bank multi-carrier (FBMC) with offset quadrature amplitude modulation (OQAM) signals asymptotically converges to a white Gaussian random process as the number of subcarriers increase to infinity. Hence, a band-limited flat spectrum model, with a large number of subcarriers, is proposed to simplify the prediction of the spectral regrowth of amplified FBMC-OQAM signals in terms of the output intermodulation products.
Disclosure Statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
Bruno Jedynak’s work was particially supported by the NSF under Grant # DMS 1624776.