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Efficient Frequency-Domain Detection for Massive MIMO Systems

Cabral, L. C. ; Fernandes, D. F. ; Cercas, F. ; Dinis, R.

Efficient Frequency-Domain Detection for Massive MIMO Systems, Proc South-East Europe Design Automation, Computer Engineering, Computer Networks and Social Media Conference - SEEDA-CECNSM, Kastoria, Greece, Vol. , pp. - , September, 2017.

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Abstract
Reduced-complexity implementations are critical for massive MIMO (Multiple Input, Multiple Output) systems. In this paper we consider the uplink of broadband massive MIMO systems employing SC-FDE (Single-Carrier with Frequency-Domain Equalization) schemes, where multiple users transmit to a single base station with a large number of antennas. We propose low-complexity frequency-domain detection schemes that allow excellent performance, but do not require matrix inversions.