3 papers
eess.SP2025
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…
cs.PF2025
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…
cs.CR2024
A Novel RFID Authentication Protocol Based on A Block-Order-Modulus Variable Matrix Encryption Algorithm
Yan Wang, Ruiqi Liu, Tong Gao +5
In this paper, authentication for mobile radio frequency identification (RFID) systems with low-cost RFID sensor tags is studied. Firstly, an adaptive modulus (AM) encryption algor…