Joint design of hybrid beamforming and reflection coefficients in RIS-aided mmWave MIMO systems

R Li, B Guo, M Tao, YF Liu, W Yu - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper considers a reconfigurable intelligent surface (RIS)-aided millimeter wave (mmWave)
downlink communication system where hybrid analog-digital beamforming is employed …

Ergodic achievable rate analysis and optimization of RIS-assisted millimeter-wave MIMO communication systems

R Li, S Sun, Y Chen, C Han… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) have emerged as a prospective technology for
next-generation wireless networks due to their potential in coverage and capacity enhancement…

Ergodic achievable rate maximization of RIS-assisted millimeter-wave MIMO-OFDM communication systems

R Li, S Sun, M Tao - IEEE Transactions on Wireless …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) has attracted extensive attention in recent years.
However, most research focuses on the scenario of the narrowband and/or instantaneous …

Hybrid spherical-and planar-wave channel modeling and estimation for terahertz integrated UM-MIMO and IRS systems

Y Chen, R Li, C Han, S Sun… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Integrated ultra-massive multiple-input multiple-output (UM-MIMO) and intelligent reflecting
surface (IRS) systems are promising for 6G and beyond Terahertz (0.1-10 THz) …

Beam scanning for integrated sensing and communication in IRS-aided mmWave systems

R Li, X Shao, S Sun, M Tao… - 2023 IEEE 24th …, 2023 - ieeexplore.ieee.org
This paper investigates an intelligent reflecting surface (IRS) aided millimeter-wave integrated
sensing and communication (ISAC) system. Specifically, based on the passive beam …

ConvLSTM-Att: an attention-based composite deep neural network for tool wear prediction

R Li, X Ye, F Yang, KL Du - Machines, 2023 - mdpi.com
In order to improve the accuracy of tool wear prediction, an attention-based composite neural
network, referred to as the ConvLSTM-Att model (1DCNN-LSTM-Attention), is proposed. …

Applicable regions of spherical and plane wave models for extremely large-scale array communications

R Li, S Sun, M Tao - arXiv preprint arXiv:2301.06036, 2023 - arxiv.org
Extremely large-scale array (XL-array) communications can significantly improve the
spectral efficiency and spatial resolution, and has great potential in next-generation mobile …

How to differentiate between near field and far field: Revisiting the Rayleigh distance

S Sun, R Li, X Liu, L Xue, C Han, M Tao - arXiv preprint arXiv:2309.13238, 2023 - arxiv.org
Future wireless communication systems are likely to adopt extremely large aperture arrays
and millimeter-wave/sub-THz frequency bands to achieve higher throughput, lower latency, …

Atomic Norm Minimization-Based DoA Estimation for IRS-assisted Sensing Systems

R Li, S Sun, M Tao - IEEE Wireless Communications Letters, 2024 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is expected to play a pivotal role in future wireless sensing
networks owing to its potential for high-resolution and high-accuracy sensing. In this work, …

Joint design of hybrid beamforming and phase shifts in RIS-aided mmWave communication systems

B Guo, R Li, M Tao - 2021 IEEE Wireless Communications and …, 2021 - ieeexplore.ieee.org
This paper considers a reconfigurable intelligent surface (RIS)-aided millimeter wave (mmWave)
downlink communication system where hybrid analog-digital beamforming is employed …