Two-way passive beamforming design for RIS-aided FDD communication systems

B Guo, C Sun, M Tao - 2021 IEEE Wireless Communications …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) are able to provide passive beamforming gain via
low-cost reflecting elements and hence improve wireless link quality. This work considers …

Coordinated passive beamforming for distributed intelligent reflecting surfaces network

J He, K Yu, Y Shi - 2020 IEEE 91st Vehicular Technology …, 2020 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is a proposing technology in 6G to enhance the
performance of wireless networks by smartly reconfiguring the propagation environment with …

Beamforming design with partial channel estimation and feedback for FDD RIS-assisted systems

X Ge, S Yu, W Shen, C Xing… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Beamforming design with partial channel estimation and feedback for frequency-division
duplexing (FDD) reconfigurable intelligent surface (RIS) assisted systems is considered in …

Cooperative beamforming design for double-IRS-assisted MISO communication system

X Chen, H Xu, G Zhang, A Zhou, L Zhao… - Physical Communication, 2022 - Elsevier
Intelligent reflecting surface (IRS) has arisen as a promising technology to reconfigure the
wireless propagation environment cost-effectively. Most of the existing works on IRS focused …

Intelligent reflecting surface assisted multi-cell multi-band wireless networks

W Cai, R Liu, Y Liu, M Li, Q Liu - 2021 IEEE Wireless …, 2021 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is deemed as a promising and revolutionizing technology
for future wireless communication systems owing to its capability to intelligently change the …

Passive beamforming design for reconfigurable intelligent surface-aided OFDM: A fractional programming based approach

K Feng, Y Chen, Y Han, X Li… - 2021 IEEE 93rd Vehicular …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is a low-cost device envisioned to achieve
substantial promotion in both spectrum and energy efficiency in the future wireless …

Joint beamforming optimization for simultaneously transmitting and reflecting (STAR) RIS aided communications

X Mu, Y Liu, J Xu, L Guo, J Lin - 2021 55th Asilomar …, 2021 - ieeexplore.ieee.org
A novel concept of simultaneously transmitting and reflecting (STAR) reconfigurable
intelligent surfaces (RISs) is investigated, where the incident wireless signal is divided into …

Joint active and passive beamforming design for RIS-aided IBFD IoT communications: QoS and power efficiency considerations

K Singh, PC Wang, S Biswas, SK Singh… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
In a reconfigurable intelligent surface (RIS) aided communication network, a RIS equipped
with multiple passive reflecting elements assists in extending the coverage of wireless …

Double-IRS assisted multi-user MIMO: Cooperative passive beamforming design

B Zheng, C You, R Zhang - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) has emerged as an enabling technology to achieve smart
and reconfigurable wireless communication environment cost-effectively. Prior works on IRS …

Unsupervised learning-based joint active and passive beamforming design for reconfigurable intelligent surfaces aided wireless networks

H Song, M Zhang, J Gao… - ieee communications …, 2020 - ieeexplore.ieee.org
This letter consider a reconfigurable intelligent surface (RIS) aided multi-user multiple-input
single-output (MISO) downlink system, where transmit beamforming and phase shifts of RIS …