5 papers · 1 filter
Learning Function-to-Function Mappings: A Fourier Neural Operator for Next-Generation MIMO Systems
Jian Xiao, Ji Wang, Qi Sun +4
Next-generation multiple-input multiple-output (MIMO) systems, characterized by extremely large-scale arrays, holographic surfaces, three-dimensional architectures, and flexible an…
Two-Timescale Learning for Pilot-Free ISAC Systems
Jian Xiao, Ji Wang, Qimei Cui +4
A pilot-free integrated sensing and communication (ISAC) system is investigated, in which phase-modulated continuous wave (PMCW) and non-orthogonal multiple access (NOMA) waveforms…
Channel Estimation for Flexible Intelligent Metasurfaces: From Model-Based Approaches to Neural Operators
Jian Xiao, Ji Wang, Qimei Cui +4
Flexible intelligent metasurfaces (FIMs) offer a new solution for wireless communications by introducing morphological degrees of freedom, dynamically morphing their three-dimensio…
Rotatable RIS Assisted Physical Layer Multicasting
Ji Wang, Jiayu Tian, Lijuan Qin +4
Reconfigurable Intelligent Surfaces (RIS) dynamically control signal propagation to enhance wireless communications. This paper presents a novel framework for rotatable RIS assiste…
Wireless AI Evolution: From Statistical Learners to Electromagnetic-Guided Foundation Models
Jian Xiao, Ji Wang, Kunrui Cao +3
While initial applications of artificial intelligence (AI) in wireless communications over the past decade have demonstrated considerable potential using specialized models for tar…