Resource allocation in IRSs aided MISO-NOMA networks: A machine learning approach

X Gao, Y Liu, X Liu, Z Qin - GLOBECOM 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
A novel framework of intelligent reflecting surface (IRS)-aided multiple-input single-output
(MISO) non-orthogonal multiple access (NOMA) network is proposed, where a base station …

Environment-aware beam selection for IRS-aided communication with channel knowledge map

D Ding, D Wu, Y Zeng, S Jin… - 2021 IEEE Globecom …, 2021 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS)-aided communication is a promising technology for
beyond 5G (B5G) systems, to reconfigure the radio environment proactively. However, IRS …

Capacity enhancement for irregular reconfigurable intelligent surface-aided wireless communications

R Su, L Dai, J Tan, M Hao… - GLOBECOM 2020-2020 …, 2020 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is an emerging technology to improve the spectral
efficiency of wireless communication systems. However, the increase of RIS elements …

Hybrid Active-Passive RIS Transmitter Enabled Energy-Efficient Multi-User Communications

A Huang, X Mu, L Guo, G Zhu - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
A novel hybrid active-passive reconfigurable intelligent surface (RIS) transmitter enabled
downlink multi-user communication system is investigated. Specifically, RISs are exploited …

A new channel estimation strategy in intelligent reflecting surface assisted networks

R Wang, L Liu, S Zhang, C Yu - 2021 IEEE Global …, 2021 - ieeexplore.ieee.org
Channel estimation is the main hurdle to reaping the benefits promised by the intelligent
reflecting surface (IRS), due to its absence of ability to transmit/receive pilot signals as well …

Novel multiple RIS-assisted communications for 6G networks

Y Wang, W Zhang, Y Chen, CX Wang… - IEEE Communications …, 2022 - ieeexplore.ieee.org
As an emerging technique, reconfigurable intelligent surface (RIS) has recently received
extensive attention and can be considered as a key enabling technology for future sixth …

Reconfigurable intelligent surface aided OTFS: Transmission scheme and channel estimation

Z Li, W Yuan, B Li, J Wu, C You… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
In this article, we study the uplink transmission scheme and channel estimation design for
reconfigurable intelligent surfaces (RIS)-aided orthogonal time–frequency space (OTFS) …

Rate-splitting multiple access for RIS-aided cell-edge users with discrete phase-shifts

D Shambharkar, S Dhok, A Singh… - IEEE Communications …, 2022 - ieeexplore.ieee.org
This letter investigates a reconfigurable intelligent surface (RIS)-aided multiple-input-single-
output (MISO) communication system which uses rate-splitting multiple access (RSMA) …

Hybrid MRT and ZF Learning for Energy-Efficient Transmission in Multi-RIS-Assisted Networks

W Guo, Y Lu, H Du, B Ai, D Niyato… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The deep reinforcement learning-based transmission design for reconfigurable intelligent
surface (RIS) assisted multiple input single output networks is investigated in this research …

[PDF][PDF] RIS-assisted XL-MIMO for coexistence of near-field and far-field communications

X Cao, M Mohammadi, HQ Ngo… - IEEE Wireless …, 2024 - pure.qub.ac.uk
Extremely large-scale multiple-input multipleoutput (XL-MIMO) is a transformative
technology to achieve spectral-efficient and energy-saving wireless communication …