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20062023
most citedChannel Estimation for RIS-Empowered Multi-User MISO Wireless Communications

725 citations · 6.1k across the 252 of their papers we have counts for

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138 papers · 1 filter

cs.IT2023★ 2 cited

Robust Beamforming Design for RIS-aided Cell-free Systems with CSI Uncertainties and Capacity-limited Backhaul

Jiacheng Yao, Jindan Xu, Wei Xu +3

In this paper, we consider the robust beamforming design in a reconfigurable intelligent surface (RIS)-aided cell-free (CF) system considering the channel state information (CSI) u…

cs.IT2022

Active 3D Double-RIS-Aided Multi-User Communications: Two-Timescale-Based Separate Channel Estimation via Bayesian Learning

Songjie Yang, Wanting Lyu, Yue Xiu +2

Double-reconfigurable intelligent surface (RIS) is a promising technique, achieving a substantial gain improvement compared to single-RIS techniques. However, in double-RIS-aided s…

cs.IT2022

A Universal Framework of Superimposed RIS-Phase Modulation for MISO Communication

Jiacheng Yao, Jindan Xu, Wei Xu +2

To fully exploit the additional dimension brought by reconfigurable intelligent surface (RIS), it is recently suggested by information theory that modulating information upon RIS p…

cs.IT2022★ 5 cited

Robust Security Energy Efficiency Optimization for RIS-Aided Cell-Free Networks with Multiple Eavesdroppers

Wanming Hao, Junjie Li, Gangcan Sun +4

In this paper, we investigate the energy efficiency (EE) problem under reconfigurable intelligent surface (RIS)-aided secure cell-free networks, where multiple legitimate users and…

cs.IT2022

Capacity Optimal Coded Generalized MU-MIMO

Yuhao Chi, Lei Liu, Guanghui Song +3

With the complication of future communication scenarios, most conventional signal processing technologies of multi-user multiple-input multiple-output (MU-MIMO) become unreliable,…

cs.IT2022★ 7 cited

Pervasive Machine Learning for Smart Radio Environments Enabled by Reconfigurable Intelligent Surfaces

George C. Alexandropoulos, Kyriakos Stylianopoulos, Chongwen Huang +3

The emerging technology of Reconfigurable Intelligent Surfaces (RISs) is provisioned as an enabler of smart wireless environments, offering a highly scalable, low-cost, hardware-ef…