26 papers
Rotatable Antenna-Empowered Wireless Networks: A Tutorial
Beixiong Zheng, Qingjie Wu, Xue Xiong +11
Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. Among…
Performance Analysis of Single-Antenna Fluid Antenna Systems via Extreme Value Theory
Rui Xu, Yinghui Ye, Xiaoli Chu +3
In single-antenna fluid antenna systems (FASs), the transceiver dynamically selects the antenna port with the strongest instantaneous channel to enhance link reliability. However,…
Context-Aware Deep Learning for Robust Channel Extrapolation in Fluid Antenna Systems
Yanliang Jin, Runze Yu, Yuan Gao +4
Fluid antenna systems (FAS) offer remarkable spatial flexibility but face significant challenges in acquiring high-resolution channel state information (CSI), leading to considerab…
Indoor Fluid Antenna Systems Enabled by Layout-Specific Modeling and Group Relative Policy Optimization
Tong Zhang, Qianren Li, Shuai Wang +5
Fluid antenna system (FAS) revolutionizes wireless communications via utilizing position-flexible antennas that dynamically optimize channel conditions and mitigate multipath fadin…
Codebook-based Port Selection and Combining for CSI-Free Uplink Fluid Antenna Multiple Access
Chenguang Rao, Kai-Kit Wong, Sai Xu +3
Fluid antenna multiple access (FAMA) has recently emerged as a simple, promising scheme for large-scale multiuser connectivity, offering strong scalability with low implementation…
Fluid Reconfigurable Intelligent Surface (FRIS) Enabling Secure Wireless Communications
Xusheng Zhu, Kai-Kit Wong, Boyi Tang +2
The concept of fluid reconfigurable intelligent surface (FRIS) upgrades the conventional reconfigurable intelligent surface (RIS) paradigm by empowering its reflecting elements wit…