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MIMO Time-Interleaved Block Windowed Burst OFDM with Iterative Frequency Domain Equalization

Silva, A. P. S. ; Bento, P. ; Gomes, M. ; Dinis, R. ; Silva, V.

MIMO Time-Interleaved Block Windowed Burst OFDM with Iterative Frequency Domain Equalization, Proc International Symposium on Wireless Communication Systems ISWCS, Lisbon , Portugal, Vol. , pp. - , August, 2018.

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Abstract
This paper considers multiple-input multiple-output (MIMO) schemes employing the recently proposed time-interleaved block windowed burst-OFDM (TIBWB-OFDM) modulation combined with frequency-domain receivers based on the iterative block decision feedback equalization (IB-DFE) principle, concerning an uplink transmission. It is shown that TIBWB-OFDM technique is easily combined with MIMO systems, allowing efficient spectral usage with low out-of-band (OOB) emissions as well as gains in terms of power efficiency. In addition, its additional diversity associated with the capabilities of the powerful IB-DFE equalizer, that although requiring matrix inversions, it can provide excellent results, makes this combination of techniques interesting for scenarios with moderate number of antenna-elements, where the complexity can be manageable.