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Title: On the Use of 1-bit DACs in Massive MIMO Systems
Authors: Guerreiro, João
Dinis, Rui
Carvalho, Paulo Montezuma
Keywords: MIMO systems
digital-analogue conversion
Issue Date: Apr-2016
Publisher: IET
Abstract: Massive multiple-input multiple-output (MIMO) systems are being proposed for next generation broadband wireless systems. However, as the complexity of implementation grows with the number of antenna elements, their feasibility is a challenging task. Consider very low complexity, 1-bit digital-to-analogue converters (DACs) for the downlink of massive MIMO systems. The impact of the resultant severe non-linear distortion effects is analysed when a low-complexity maximum ratio transmission technique is employed for user separation. The non-linear distortion levels decrease with the number of transmit antennas allowing good performance, even with 1-bit DACs are shown.
Peer Reviewed: yes
metadata.dc.identifier.doi: 10.1049/el.2015.4037
ISSN: 0013-5194
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Appears in Collections:DCT - Artigos/Papers

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