Abstract

We derive post-processing signal-to-noise-plus-interference-ratio (PP-SINR) for minimum mean square error (MMSE) combining in multiple-input multiple-output (MIMO) filter bank multi-carrier (FBMC) systems based on offset quadrature amplitude modulation (OQAM). We show that the PP-SNR, derived by assuming imperfect receive channel state information, accurately characterizes the symbol error rate (SER) of MMSE combining in MIMO FBMC-OQAM systems. We numerically demonstrate the tightness of both PP-SINR and SER expressions.

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