4 papers
DoF Analysis and Beamforming Design for Active IRS-aided Multi-user MIMO Wireless Communication in Rank-deficient Channels
Jinbing Jiang, Feng Shu, Xuehui Wang +5
Due to its ability of significantly improving data rate, intelligent reflecting surface (IRS) will be a potential crucial technique for the future generation wireless networks like…
Enhanced channel estimation for near-field IRS-aided multi-user MIMO system via a large deep residual network
Yan Wang, Yongqiang Li, Minghao Chen +3
In this paper, the channel estimation (CE) of intelligent reflecting surface-aided near-field (NF) multi-user communication is investigated. Initially, the least square (LS) estima…
Energy Efficiency Analysis of Active RIS-enhanced Wireless Network under Power-Sum Constraint
Jingdie Xin, Yan Wang, Feng Shu +3
Recently, as a green wireless technology, active reconfigurable intelligent surface (RIS) attracts numerous research activities due to its amplifying ability to combat the double-f…
AI-empowered Channel Estimation for Block-based Active IRS-enhanced Hybrid-field IoT Network
Yan Wang, Feng Shu, Xianpeng Wang +4
In this paper, channel estimation (CE) for uplink hybrid-field communications involving multiple Internet of Things (IoT) devices assisted by an active intelligent reflecting surfa…