959 citations · 4.7k across the 87 of their papers we have counts for
17 papers · 1 filter
Channel Estimation and Training Design for Active RIS Aided Wireless Communications
Hao Chen, Nanxi Li, Ruizhe Long +1
Active reconfigurable intelligent surface (ARIS) is a newly emerging RIS technique that leverages radio frequency (RF) reflection amplifiers to empower phase-configurable reflectio…
Convolutional Autoencoder-Based Phase Shift Feedback Compression for Intelligent Reflecting Surface-Assisted Wireless Systems
Xianhua Yu, Dong Li, Yongjun Xu +1
In recent years, intelligent reflecting surface (IRS) has emerged as a promising technology for 6G due to its potential/ability to significantly enhance energy- and spectrum-effici…
Recent Advances on Sub-Nyquist Sampling-Based Wideband Spectrum Sensing
Jun Fang, Bin Wang, Hongbin Li +1
Cognitive radio (CR) is a promising technology enabling efficient utilization of the spectrum resource for future wireless systems. As future CR networks are envisioned to operate…
Reconfigurable Intelligent Surface Aided Constant-Envelope Wireless Power Transfer
Huiyuan Yang, Xiaojun Yuan, Jun Fang +1
By reconfiguring the propagation environment of electromagnetic waves artificially, reconfigurable intelligent surfaces (RISs) have been regarded as a promising and revolutionary h…
Deep Transfer Learning-Assisted Signal Detection for Ambient Backscatter Communications
Chang Liu, Xuemeng Liu, Zhiqiang Wei +3
Existing tag signal detection algorithms inevitably suffer from a high bit error rate (BER) due to the difficulties in estimating the channel state information (CSI). To eliminate…
Deep Transfer Learning for Signal Detection in Ambient Backscatter Communications
Chang Liu, Zhiqiang Wei, Derrick Wing Kwan Ng +2
Tag signal detection is one of the key tasks in ambient backscatter communication (AmBC) systems. However, obtaining perfect channel state information (CSI) is challenging and cost…