12 papers
Tag-based Physical-Layer Authentication Against Message Interference
Lei Yao, Boxiang He, Shilian Wang +2
Tag-based Physical-Layer Authentication (PLA) has attracted significant attention in recent years due to its low complexity, high security, and low latency. Traditional tag-based P…
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…