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Title: On the Feasibility of OFDM-Based Massive MIMO Systems with Low Resolution Quantizers
Authors: Guerreiro, João
Dinis, Rui
Carvalho, Paulo Montezuma
Keywords: OFDM
massive MIMO
nonlinear distortion effects
user separation
Issue Date: Jun-2017
Publisher: IEEE
Citation: Dinis, R., Guerreiro, J., & Montezuma, P. (2017). On the Feasibility of OFDM-Based Massive MIMO Systems with Low Resolution Quantizers. 2017 IEEE 85th Vehicular Technology Conference (VTC Spring), 1-5.
Abstract: The use of massive multiple input multiple output (MIMO) techniques combined with orthogonal frequency division multiplexing (OFDM) schemes in the downlink of broadband wireless systems is considered in this paper. It is assumed that the transmitter supports up to R simultaneous links and employs T≫R antenna elements, and we study the feasibility of very low complexity transmitters with low resolution digital-to-analog converters (DACs). It is shown that the nonlinear distortion levels for detection purposes decrease with the ratio T/R, which means that we can employ very low resolution quantizers.
Peer Reviewed: yes
metadata.dc.identifier.doi: 10.1109/VTCSpring.2017.8108323
Appears in Collections:DCT- Comunicações em conferências

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