4 papers
Six-Dimensional Movable Antenna Enabled Wideband THz Communications
Wencai Yan, Wanming Hao, Yajun Fan +3
In this paper, we investigate a six-dimensional movable antenna (6DMA)-enabled wideband terahertz (THz) communication system with sub-connected hybrid beamforming architecture at t…
Neural Network-Assisted Hybrid Model Based Message Passing for Parametric Holographic MIMO Near Field Channel Estimation
Zhengdao Yuan, Yabo Guo, Dawei Gao +5
Holographic multiple-input and multiple-output (HMIMO) is a promising technology with the potential to achieve high energy and spectral efficiencies, enhance system capacity and di…
Hierarchically Structured Matrix Recovery-Based Channel Estimation for RIS-Aided Communications
Yabo Guo, Peng Sun, Zhengdao Yuan +2
Reconfigurable intelligent surface (RIS) has emerged as a promising technology for improving capacity and extending coverage of wireless networks. In this work, we consider RIS-aid…
Efficient Channel Estimation for RIS-Aided MIMO Communications with Unitary Approximate Message Passing
Yabo Guo, Peng Sun, Zhengdao Yuan +4
Reconfigurable intelligent surface (RIS) is very promising for wireless networks to achieve high energy efficiency, extended coverage, improved capacity, massive connectivity, etc.…