16 papers · 1 filter
A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems
Ye Tian, Jiaji Ren, Tuo Wu +7
Terahertz (THz) communication combined with ultra-massive multiple-input multiple-output (UM-MIMO) technology is promising for 6G wireless systems, where fast and precise direction…
From Partial Calibration to Full Potential: A Two-Stage Sparse DOA Estimation for Incoherently-Distributed Sources with Gain-Phase Uncertainty
He Xu, Tuo Wu, Wei Liu +5
Direction-of-arrival (DOA) estimation for incoherently distributed (ID) sources is essential in multipath wireless communication scenarios, yet it remains challenging due to the co…
Towards Intelligent Antenna Positioning: Leveraging DRL for FAS-Aided ISAC Systems
Shunxing Yang, Junteng Yao, Jie Tang +6
Fluid antenna systems (FAS) enable dynamic antenna positioning, offering new opportunities to enhance integrated sensing and communication (ISAC) performance. However, existing stu…
Rethinking Hardware Impairments in Multi-User Systems: Can FAS Make a Difference?
Junteng Yao, Tuo Wu, Liaoshi Zhou +7
In this paper, we analyze the role of fluid antenna systems (FAS) in multi-user systems with hardware impairments (HIs). Specifically, we investigate a scenario where a base statio…
Fluid Antenna Systems Enabling 6G:Principles, Applications, and Research Directions
Tuo Wu, Kangda Zhi, Junteng Yao +10
Fluid antenna system (FAS) as a new version of reconfigurable antenna technologies promoting shape and position flexibility, has emerged as an exciting and possibly transformative…
FAS for Secure and Covert Communications
Junteng Yao, Liangxiao Xin, Tuo Wu +4
This letter considers a fluid antenna system (FAS)-aided secure and covert communication system, where the transmitter adjusts multiple fluid antennas' positions to achieve secure…