Optimization of Tomlinson-Harashima Precoding for Joint Suppression of Interference and Power Loss in MU-MIMO Downlinks

Gao, Haijun; Fu, Yusun; Jiang, Chenglong; Zhao, Yuping

doi:10.1109/icomis.2018.8644847

Cited by 3 publications

(4 citation statements)

References 16 publications

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“…Finally, by substituting (49) into (42), we have (39). Remark: From the proof above, we can see how the THP structure gains in terms of MSE.…”

Section: Lemma 1 the Objective Function M Se σ Has The Following Lowe...mentioning

confidence: 95%

“…. , ∥ ĤM ∥ 2 aiming at minimizing the lower bound of MSE (39). Thus, the cancellation ordering matrix L can be straightforwardly formulated based on this order.…”

Section: Lemma 1 the Objective Function M Se σ Has The Following Lowe...mentioning

confidence: 99%

“…This solution has also been extended to a full-duplex relay-aided wireless power transfer system in [38]. Finally, the authors of [39], [40] proposed techniques for reducing the power-loss imposed by the modulo and feedback operations used in the THP. However, to the best of our knowledge, the aforementioned A/D hybrid transceiver design algorithms are all based on the linear precoding structure, which suffers from the performance degradation caused by the multiuser interference and by the reduced number of available RF chains.…”

Section: Introductionmentioning

confidence: 99%

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MIMO-Aided Nonlinear Hybrid Transceiver Design for Multiuser Mmwave Systems Relying on Tomlinson-Harashima Precoding

Zhao

Niu

et al. 2021

IEEE Trans. Veh. Technol.

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Hybrid analog-digital (A/D) transceivers designed for millimeter wave (mmWave) systems have received substantial research attention, as a benefit of their lower cost and modest energy consumption compared to their fully-digital counterparts. We further improve their performance by conceiving a Tomlinson-Harashima precoding (THP) based nonlinear joint design for the downlink of multiuser multiple-input multipleoutput (MIMO) mmWave systems. Our optimization criterion is that of minimizing the mean square error (MSE) of the system under channel uncertainties subject both to realistic transmit power constraint and to the unit modulus constraint imposed on the elements of the analog beamforming (BF) matrices governing the BF operation in the radio frequency domain. We transform this optimization problem into a more tractable form and develop an efficient block coordinate descent (BCD) based algorithm for solving it. Then, a novel two-timescale nonlinear joint hybrid transceiver design algorithm is developed, which can be viewed as an extension of the BCD-based joint design algorithm for reducing both the channel state information (CSI) signalling overhead and the effects of outdated CSI. Moreover, we determine the near-optimal cancellation order for the THP structure based on the lower bound of the MSE. The proposed algorithms can be guaranteed to converge to a Karush-Kuhn-Tucker (KKT) solution of the original problem. The simulation results demonstrate that our proposed nonlinear joint hybrid transceiver design algorithms significantly outperform the existing linear hybrid transceiver algorithms and approach the performance of the fully-digital transceiver, despite its lower cost and power dissipation.

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“…Finally, by substituting (49) into (42), we have (39). Remark: From the proof above, we can see how the THP structure gains in terms of MSE.…”

Section: Lemma 1 the Objective Function M Se σ Has The Following Lowe...mentioning

confidence: 95%

“…. , ∥ ĤM ∥ 2 aiming at minimizing the lower bound of MSE (39). Thus, the cancellation ordering matrix L can be straightforwardly formulated based on this order.…”

Section: Lemma 1 the Objective Function M Se σ Has The Following Lowe...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

MIMO-Aided Nonlinear Hybrid Transceiver Design for Multiuser Mmwave Systems Relying on Tomlinson-Harashima Precoding

Zhao

Niu

et al. 2021

IEEE Trans. Veh. Technol.

View full text Add to dashboard Cite

show abstract

“…This solution has also been extended to a full-duplex relay-aided wireless power transfer system in [34]. Finally, the authors of [35], [36] proposed techniques for reducing the power-loss imposed by the modulo and feedback operations used in the THP. However, to the best of our knowledge, the aforementioned A/D hybrid transceiver design algorithms are all based on the linear precoding structure, which suffers from the performance degradation caused by the multiuser interference and by the reduced number of available RF chains.…”

Section: Introductionmentioning

confidence: 99%

MIMO-Aided Nonlinear Hybrid Transceiver Design for Multiuser mmWave Systems Relying on Tomlinson-Harashima Precoding

Zhao

Niu

et al. 2020

Preprint

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Hybrid analog-digital (A/D) transceivers designed for millimeter wave (mmWave) systems have received substantial research attention, as a benefit of their lower cost and modest energy consumption compared to their fully-digital counterparts. We further improve their performance by conceiving a Tomlinson-Harashima precoding (THP) based nonlinear joint design for the downlink of multiuser multiple-input multiple-output (MIMO) mmWave systems. Our optimization criterion is that of minimizing the mean square error (MSE) of the system under channel uncertainties subject both to realistic transmit power constraint and to the unit modulus constraint imposed on the elements of the analog beamforming (BF) matrices governing the BF operation in the radio frequency domain. We transform this optimization problem into a more tractable form and develop an efficient block coordinate descent (BCD) based algorithm for solving it. Then, a novel two-timescale nonlinear joint hybrid transceiver design algorithm is developed, which can be viewed as an extension of the BCD-based joint design algorithm for reducing both the channel state information (CSI) signalling overhead and the effects of outdated CSI. Moreover, we determine the near-optimal cancellation order for the THP structure based on the lower bound of the MSE. The proposed algorithms can be guaranteed to converge to a Karush-Kuhn-Tucker (KKT) solution of the original problem. The simulation results demonstrate that our proposed nonlinear joint hybrid transceiver design algorithms significantly outperform the existing linear hybrid transceiver algorithms and approach the performance of the fully-digital transceiver, despite its lower cost and power dissipation.

show abstract

Performance Study of Massive MIMO with Linear Precoders using Open Source Simulators

Pande

2020

2020 Ieee-Hydcon

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Optimization of Tomlinson-Harashima Precoding for Joint Suppression of Interference and Power Loss in MU-MIMO Downlinks

Cited by 3 publications

References 16 publications

MIMO-Aided Nonlinear Hybrid Transceiver Design for Multiuser Mmwave Systems Relying on Tomlinson-Harashima Precoding

MIMO-Aided Nonlinear Hybrid Transceiver Design for Multiuser Mmwave Systems Relying on Tomlinson-Harashima Precoding

MIMO-Aided Nonlinear Hybrid Transceiver Design for Multiuser mmWave Systems Relying on Tomlinson-Harashima Precoding

Performance Study of Massive MIMO with Linear Precoders using Open Source Simulators

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