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Digital Predistortion for Multiuser Hybrid MIMO at mmWaves

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Standard

Digital Predistortion for Multiuser Hybrid MIMO at mmWaves. / Brihuega, Alberto; Anttila, Lauri; Abdelaziz, Mahmoud; Eriksson, Thomas; Tufvesson, Fredrik; Valkama, Mikko.

julkaisussa: IEEE Transactions on Signal Processing, Vuosikerta 68, 2020, s. 3603-3618.

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Harvard

Brihuega, A, Anttila, L, Abdelaziz, M, Eriksson, T, Tufvesson, F & Valkama, M 2020, 'Digital Predistortion for Multiuser Hybrid MIMO at mmWaves', IEEE Transactions on Signal Processing, Vuosikerta. 68, Sivut 3603-3618. https://doi.org/10.1109/TSP.2020.2995972

APA

Brihuega, A., Anttila, L., Abdelaziz, M., Eriksson, T., Tufvesson, F., & Valkama, M. (2020). Digital Predistortion for Multiuser Hybrid MIMO at mmWaves. IEEE Transactions on Signal Processing, 68, 3603-3618. https://doi.org/10.1109/TSP.2020.2995972

Vancouver

Brihuega A, Anttila L, Abdelaziz M, Eriksson T, Tufvesson F, Valkama M. Digital Predistortion for Multiuser Hybrid MIMO at mmWaves. IEEE Transactions on Signal Processing. 2020;68:3603-3618. https://doi.org/10.1109/TSP.2020.2995972

Author

Brihuega, Alberto ; Anttila, Lauri ; Abdelaziz, Mahmoud ; Eriksson, Thomas ; Tufvesson, Fredrik ; Valkama, Mikko. / Digital Predistortion for Multiuser Hybrid MIMO at mmWaves. Julkaisussa: IEEE Transactions on Signal Processing. 2020 ; Vuosikerta 68. Sivut 3603-3618.

Bibtex - Lataa

@article{6ea6ac2a289947959fd7e9453e187cb7,
title = "Digital Predistortion for Multiuser Hybrid MIMO at mmWaves",
abstract = "Efficient mitigation of power amplifier (PA) nonlinear distortion in multi-user hybrid precoding based broadband mmWave systems is an open research problem. In this article, we carry out detailed signal and distortion modeling in broadband multi-user hybrid MIMO systems, with a bank of nonlinear PAs in each subarray, while also take the inevitable crosstalk between the antenna/PA branches into account. Building on the derived models, we adopt and describe an efficient closed-loop (CL) digital predistortion (DPD) solution that utilizes only a single-input DPD unit per transmit chain or subarray, despite crosstalk, providing thus substantial complexity-benefit compared to the state-of-the art multi-dimensional DPD solutions. We show that under spatially correlated multipath propagation, each single-input DPD unit can provide linearization towards every intended user, or more generally, towards all spatial directions where coherent propagation is taking place, and that the adopted CL DPD system is robust against crosstalk. Extensive numerical results building on practical measurement-based mmWave PA models are provided, demonstrating and verifying the excellent linearization performance of the overall DPD system in different evaluation scenarios.",
keywords = "Crosstalk, digital predistortion, hybrid MIMO, large-array transmitters, millimeter wave communications, multi-user MIMO, nonlinear distortion, out-of-band emissions, power amplifiers",
author = "Alberto Brihuega and Lauri Anttila and Mahmoud Abdelaziz and Thomas Eriksson and Fredrik Tufvesson and Mikko Valkama",
note = "EXT={"}Abdelaziz, Mahmoud{"}",
year = "2020",
doi = "10.1109/TSP.2020.2995972",
language = "English",
volume = "68",
pages = "3603--3618",
journal = "IEEE Transactions on Signal Processing",
issn = "1053-587X",
publisher = "IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Digital Predistortion for Multiuser Hybrid MIMO at mmWaves

AU - Brihuega, Alberto

AU - Anttila, Lauri

AU - Abdelaziz, Mahmoud

AU - Eriksson, Thomas

AU - Tufvesson, Fredrik

AU - Valkama, Mikko

N1 - EXT="Abdelaziz, Mahmoud"

PY - 2020

Y1 - 2020

N2 - Efficient mitigation of power amplifier (PA) nonlinear distortion in multi-user hybrid precoding based broadband mmWave systems is an open research problem. In this article, we carry out detailed signal and distortion modeling in broadband multi-user hybrid MIMO systems, with a bank of nonlinear PAs in each subarray, while also take the inevitable crosstalk between the antenna/PA branches into account. Building on the derived models, we adopt and describe an efficient closed-loop (CL) digital predistortion (DPD) solution that utilizes only a single-input DPD unit per transmit chain or subarray, despite crosstalk, providing thus substantial complexity-benefit compared to the state-of-the art multi-dimensional DPD solutions. We show that under spatially correlated multipath propagation, each single-input DPD unit can provide linearization towards every intended user, or more generally, towards all spatial directions where coherent propagation is taking place, and that the adopted CL DPD system is robust against crosstalk. Extensive numerical results building on practical measurement-based mmWave PA models are provided, demonstrating and verifying the excellent linearization performance of the overall DPD system in different evaluation scenarios.

AB - Efficient mitigation of power amplifier (PA) nonlinear distortion in multi-user hybrid precoding based broadband mmWave systems is an open research problem. In this article, we carry out detailed signal and distortion modeling in broadband multi-user hybrid MIMO systems, with a bank of nonlinear PAs in each subarray, while also take the inevitable crosstalk between the antenna/PA branches into account. Building on the derived models, we adopt and describe an efficient closed-loop (CL) digital predistortion (DPD) solution that utilizes only a single-input DPD unit per transmit chain or subarray, despite crosstalk, providing thus substantial complexity-benefit compared to the state-of-the art multi-dimensional DPD solutions. We show that under spatially correlated multipath propagation, each single-input DPD unit can provide linearization towards every intended user, or more generally, towards all spatial directions where coherent propagation is taking place, and that the adopted CL DPD system is robust against crosstalk. Extensive numerical results building on practical measurement-based mmWave PA models are provided, demonstrating and verifying the excellent linearization performance of the overall DPD system in different evaluation scenarios.

KW - Crosstalk

KW - digital predistortion

KW - hybrid MIMO

KW - large-array transmitters

KW - millimeter wave communications

KW - multi-user MIMO

KW - nonlinear distortion

KW - out-of-band emissions

KW - power amplifiers

U2 - 10.1109/TSP.2020.2995972

DO - 10.1109/TSP.2020.2995972

M3 - Article

VL - 68

SP - 3603

EP - 3618

JO - IEEE Transactions on Signal Processing

JF - IEEE Transactions on Signal Processing

SN - 1053-587X

ER -