4 papers · 1 filter
Reinforcement Learning-Based Secure Near-field Directional Modulation Enhanced by Rotatable RIS
Yongqiang Li, Feng Shu, Shaofan Chen +5
This paper investigates secure Directional Modulation (DM) design enhanced by a rotatable active Reconfigurable Intelligent Surface (RIS). In conventional RIS-assisted DM networks,…
Iterative Sparse Asymptotic Minimum Variance Based Channel Estimation in Fluid Antenna System
Zhen Chen, Jianqing Li, Xiu Yin Zhang +3
With fluid antenna system (FAS) gradually establishing itself as a possible enabling technology for next generation wireless communications, channel estimation for FAS has become a…
RapidPD: Rapid Human and Pet Presence Detection System for Smart Vehicles via Wi-Fi
Hancheng Guo, Zhen Chen, Mo Huang +1
Heatstroke and life threatening incidents resulting from the retention of children and animals in vehicles pose a critical global safety issue. Current presence detection solutions…
High-Efficient Near-Field Channel Characteristics Analysis for Large-Scale MIMO Communication Systems
Hao Jiang, Wangqi Shi, Xiao Chen +2
Large-scale multiple-input multiple-output (MIMO) holds great promise for the fifth-generation (5G) and future communication systems. In near-field scenarios, the spherical wavefro…