47 citations · 115 across the 67 of their papers we have counts for
35 papers · 1 filter
Enormous Fluid Antenna Systems (E-FAS): Channel Estimation
Farshad Rostami Ghadi, Kai-Kit Wong, Masoud Kaveh +4
Enormous fluid antenna systems (E-FAS) have recently emerged as a new wireless architecture in which intelligent metasurfaces act as guided electromagnetic interfaces, enabling sur…
Enormous Fluid Antenna Systems (E-FAS) for Multiuser MIMO: Channel Modeling and Analysis
Farshad Rostami Ghadi, Kai-Kit Wong, Masoud Kaveh +3
Enormous fluid antenna systems (E-FAS), the system concept that utilizes position reconfigurability in the large scale, have emerged as a new architectural paradigm where intellige…
UAV-Enabled Short-Packet Communication via Fluid Antenna Systems
Xusheng Zhu, Kai-Kit Wong, Hanjiang Hong +4
This paper develops a framework for analyzing UAV-enabled short-packet communication, leveraging fluid antenna system (FAS)-assisted relaying networks. Operating in the short-packe…
Cramer-Rao Bounds for Activity Detection in Conventional and Fluid Antenna Systems
Zhentian Zhang, Kai-Kit Wong, Hao Jiang +2
In this letter, we develop a unified Cramér-Rao bound (CRB) framework to characterize the fundamental performance limits of transmission activity detection in fluid antenna systems…
Extended Target Adaptive Beamforming for ISAC:A Perspective of Predictive Error Ellipse
Shengcai Zhou, Luping Xiang, Yi Wang +3
Utilizing communication signals to extract motion parameters has emerged as a key direction in Vehicle-to- Everything (V2X) networks. Accurately modeling the relationship between c…
Joint Activity Detection and Channel Estimation For Fluid Antenna System Exploiting Geographical and Angular Information
Zhentian Zhang, Jian Dang, David Morales-Jimenez +4
The fluid antenna system (FAS) refers to a family of reconfigurable antenna technologies that provide substantial spatial gains within a compact, predefined small space, thereby of…
Fluid Antenna System-Enabled UAV Communications in the Finite Blocklength Regime
Xusheng Zhu, Kai-Kit Wong, Hanjiang Hong +4
This paper develops a comprehensive framework for the performance analysis of fluid antenna system (FAS)-enabled unmanned aerial vehicle (UAV) relaying networks operating in the fi…
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…
Frequency Diverse (FD)-RIS-Enhanced Covert Communications: Defense Against Wiretapping via Joint Distance-Angle Beamforming
Han Xiao, Xiaoyan Hu, Wenjie Wang +3
In response to the security blind zone challenges faced by traditional reconfigurable intelligent surface (RIS)-aided covert communication (CC) systems, the joint distance-angle be…
Coverage Region Analysis and Optimization of FIRES-Assisted NOMA and OMA Systems
Farshad Rostami Ghadi, Kai-Kit Wong, Masoud Kaveh +3
Fluid integrated reflecting and emitting surfaces (FIRES) are investigated. In these metasurfaces, each subarea hosts an active element capable of simultaneous transmission and ref…
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,…
From Fixed to Fluid: Unlocking the New Potential with Fluid RIS (FRIS)
Han Xiao, Xiaoyan Hu, Kai-Kit Wong +5
Owing to its flexible and intelligent electromagnetic signal manipulation, the technology of reconfigurable intelligent surfaces (RISs) has attracted widespread attention. However,…
Finite-blocklength Fluid Antenna Systems With Spatial Block-Correlation Channel Model
Zhentian Zhang, Kai-Kit Wong, David Morales-Jimenez +4
Massive connectivity with ultra-low latency and high reliability necessitates fundamental advances in future communication networks operating under finite-blocklength (FBL) transmi…
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…
Fluid Reconfigurable Intelligent Surface with Element-Level Pattern Reconfigurability: Beamforming and Pattern Co-Design
Han Xiao, Xiaoyan Hu, Kai-Kit Wong +3
This paper proposes a novel pattern-reconfigurable fluid reconfigurable intelligent surface (FRIS) framework, where each fluid element can dynamically adjust its radiation pattern…
Large Language Model Empowered Design of Fluid Antenna Systems: Challenges, Frameworks, and Case Studies for 6G
Chao Wang, Kai-Kit Wong, Zan Li +2
The Fluid Antenna System (FAS), which enables flexible Multiple-Input Multiple-Output (MIMO) communications, introduces new spatial degrees of freedom for next-generation wireless…
Fluid Antenna-Empowered Receive Spatial Modulation
Xinghao Guo, Yin Xu, Dazhi He +6
Fluid antenna (FA), as an emerging antenna technology, fully exploits spatial diversity. This paper integrates FA with the receive spatial modulation (RSM) scheme and proposes a no…
Fluid Antenna System-Assisted Self-Interference Cancellation for In-Band Full Duplex Communications
Hanjiang Hong, Kai-Kit Wong, Hao Xu +5
In-band full-duplex (IBFD) systems are expected to double the spectral efficiency compared to half-duplex systems, provided that loopback self-interference (SI) can be effectively…
A Contemporary Survey on Fluid Antenna Systems: Fundamentals and Networking Perspectives
Hanjiang Hong, Kai-Kit Wong, Hao Xu +8
The explosive growth of teletraffic, fueled by the convergence of cyber-physical systems and data-intensive applications, such as the Internet of Things (IoT), autonomous systems,…
Performance Analysis of Wireless Communication Systems Assisted by Fluid Reconfigurable Intelligent Surfaces
Farshad Rostami Ghadi, Kai-Kit Wong, F. Javier Lopez-Martinez +2
This letter investigates the performance of emerging wireless communication systems assisted by a fluid reconfigurable intelligent surface (FRIS). Unlike conventional reconfigurabl…
FIRES: Fluid Integrated Reflecting and Emitting Surfaces
Farshad Rostami Ghadi, Kai-Kit Wong, Masoud Kaveh +3
This letter introduces the concept of fluid integrated reflecting and emitting surface (FIRES), which constitutes a new paradigm seamlessly integrating the flexibility of fluid-ant…
On Fundamental Limits for Fluid Antenna-assisted Integrated Sensing and Communications for Unsourced Random Access
Zhentian Zhang, Kai-Kit Wong, Jian Dang +2
This paper investigates the unsourced random access (URA) problem for integrated sensing and commutations (ISAC). Recent results reveal that conventional multiple access strategies…
UAV-Relay Assisted RSMA Fluid Antenna System: Outage Probability Analysis
Farshad Rostami Ghadi, Masoud Kaveh, Francisco Hernando-Gallego +3
This letter studies the impact of fluid antenna system (FAS) technology on the performance of unmanned aerial vehicle (UAV)-assisted multiuser communication networks. Specifically,…
Fluid Reconfigurable Intelligent Surfaces: Joint On-Off Selection and Beamforming with Discrete Phase Shifts
Han Xiao, Xiaoyan Hu, Kai-Kit Wong +3
This letter proposes a fluid reconfigurable intelligent surface (FRIS) paradigm, extending the conventional reconfigurable intelligent surface (RIS) technology to incorporate posit…