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Author(s): Souto, N.
Dinis, R.
Date: 2018
Title: Efficient MIMO detection for high-order QAM constellations in time dispersive channels
ISSN: 1550-3607
ISBN: 978-1-5386-3180-5
DOI (Digital Object Identifier): 10.1109/ICC.2018.8423046
Keywords: Nonconvex optimization
MIMO detection
Time dispersive channels
Single carrier with frequency domain equalization
Abstract: In this paper, we apply a generalized form of the alternating direction method of multipliers (ADMM) and derive a multiple-input multiple-output (MIMO) detection algorithm for single carrier transmissions in time dispersive channels. The proposed algorithm supports different penalty parameters for each individual subcarrier and antenna and also includes a relaxation coefficient in the iterations. Besides evaluating the impact of these parameters, a method is presented for the automatic selection of the penalty. It is shown through simulations that very competitive performances can be obtained with the proposed approach for systems with high-order modulation combined with large antenna settings.
Peerreviewed: yes
Access type: Open Access
Appears in Collections:IT-CRI - Comunicações a conferências internacionais

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