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ADMM-BASED ONE-BIT QUANTIZED SIGNAL DETECTION FOR MASSIVE MIMO SYSTEMS WITH HARDWARE IMPAIRMENTS
Linköpings universitet, Institutionen för systemteknik, Kommunikationssystem. Linköpings universitet, Tekniska fakulteten.
Linköpings universitet, Institutionen för systemteknik, Kommunikationssystem. Linköpings universitet, Tekniska fakulteten.ORCID-id: 0000-0002-5954-434X
2020 (engelsk)Inngår i: 2020 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, IEEE , 2020, s. 9120-9124Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

This paper considers signal detection in massive multiple-input multiple-output (MIMO) systems with general additive hardware impairments and one-bit quantization. First, we present the quantization-unaware and Bussgang decomposition-based linear receivers by generalizing them for the considered hardware impairment model. We propose an optimization problem to estimate the uplink data signals by choosing a suitable cost function that treats the unquantized received signal at the base station as the variable. We exploit the additional structure of the one-bit quantization and signal modulation by including proper constraints. To solve the non-convex quadratically-constrained quadratic programming (QCQP) problem, we propose an ADMM-based algorithm with closed-form update equations. Then, we replace the harsh projectors in the updates with their soft versions to improve the detection performance. We show that the proposed ADMM-based algorithm outperforms the state-of-the-art linear receivers significantly in terms of bit error rate (BER) and the performance gain increases with the number of antennas and users.

sted, utgiver, år, opplag, sider
IEEE , 2020. s. 9120-9124
Serie
International Conference on Acoustics Speech and Signal Processing ICASSP, ISSN 1520-6149
Emneord [en]
MIMO signal detection; massive MIMO; one-bit quantization; ADMM; hardware impairments
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-173874DOI: 10.1109/ICASSP40776.2020.9053984ISI: 000615970409080ISBN: 978-1-5090-6631-5 (digital)OAI: oai:DiVA.org:liu-173874DiVA, id: diva2:1535623
Konferanse
IEEE International Conference on Acoustics, Speech, and Signal Processing, Barcelona, SPAIN, may 04-08, 2020
Merknad

Funding Agencies|ELLIIT; Wallenberg AI, Autonomous Systems and Software Program (WASP) - Knut and Alice Wallenberg Foundation

Tilgjengelig fra: 2021-03-09 Laget: 2021-03-09 Sist oppdatert: 2021-03-09

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