Low complexity hybrid precoding designs for multiuser mmWave/THz ultra massive MIMO systems

JP Pavia, V Velez, R Ferreira, N Souto, M Ribeiro… - Sensors, 2021 - mdpi.com
Millimeter-wave and terahertz technologies have been attracting attention from the wireless
research community since they can offer large underutilized bandwidths which can enable …

Hybrid nonlinear transceiver optimization for the RIS-aided MIMO downlink

Q Wang, C **ng, C Du, L Zhao… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The hybrid nonlinear transceiver optimization problem of reconfigurable intelligent surface
(RIS)-aided multi-user multiple-input multiple-output (MU-MIMO) downlink is investigated …

Low-complexity Tomlinson-Harashima Precoding Update Algorithm for Massive MIMO System

Y Fang, L Chen, Y Chen, H Yin… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Efficient implementation of Tomlinson-Harashima precoding (THP) is crucial in massive
multiple-input-multiple-output (MIMO) systems with a large number of antennas at the base …

Robust hybrid transceiver designs for linear decentralized estimation in mmWave MIMO IoT networks in the face of imperfect CSI

P Maity, KP Rajput, S Srivastava… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
Hybrid transceivers are designed for linear decentralized estimation (LDE) in a mmWave
multiple-input–multiple-output (MIMO) IoT network (IoTNe). For a noiseless fusion center …

System-level assessment of low complexity hybrid precoding designs for massive MIMO downlink transmissions in beyond 5G networks

JP Pavia, V Velez, N Souto, M Ribeiro, P Sebastião… - Applied Sciences, 2022 - mdpi.com
The fast growth experienced by the telecommunications field during the last few decades
has been motivating the academy and the industry to invest in the design, testing and …

On LSTM autoencoder-based hybrid precoding for reconfigurable intelligent surface-aided multiuser millimeter-wave massive MIMO 6G systems

YH Lu, KH Ou, HY Chen, MH Wu… - 2022 IEEE 95th …, 2022 - ieeexplore.ieee.org
The sixth-generation (6G) wireless communication networks are anticipated to combine
terrestrial, aerial, and marine communications into a dependable, fast network that could …

Over-the-air antenna array calibration for mmWave hybrid beamforming systems based on Monte Carlo Markov chain method

M Wang, J Chen, J Tao, H Li - IEEE Transactions on Vehicular …, 2022 - ieeexplore.ieee.org
The antenna phase calibration is critical for the millimeter wave (mmWave) hybrid
beamforming communication system. Especially, with the increasing number of antennas …

DPC-CNN Algorithm for Multiuser Hybrid Precoding With Dynamic Structure

F Liu, Z Duan, L Zhang, B Shi, Y Liu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper presents a dynamic partially connected (DPC) structure-based convolutional
neural network (CNN) hybrid precoding with multi-user optimization algorithm. In the …

Hybrid TH precoding with subarray connection for multi‐user mmWave MIMO systems

R Du, Z Guan, T Feng, F Liu - Transactions on Emerging …, 2023 - Wiley Online Library
Existing linear algorithms based on subarray connection (SC) structures may cause noise
enhancement and performance degradation. To solve this problem, this paper presents a …

Robust Nonlinear Precoding in MU-MIMO using Partial Interfering Beam Feedback

SS Nair, S Bhashyam - 2023 IEEE Wireless Communications …, 2023 - ieeexplore.ieee.org
Hybrid linear precoding for mmWave multi-user multiple-input multiple-output (MU-MIMO)
has been extensively studied. In this paper, we propose a robust nonlinear Tomlinson …