80 citations · 165 across the 24 of their papers we have counts for
24 papers
CSI Reconstruction in Fluid Antenna Systems Without Spatial Covariance Priors
Zhentian Zhang, Kaitao Meng, Tuo Wu +6
Fluid antenna systems (FASs) exploit many candidate ports for spatial diversity, but hardware constraints allow channel observations at only a few active ports. Whether full-port C…
A Fluid Antenna Enabled Physical Layer Key Generation for Next-G Wireless Networks
Jiacheng Guo, Ning Gao, Yiping Zuo +3
As a promising physical layer security technique, physical layer key generation (PLKG) enables legitimate users to obtain secret keys from wireless channel without security infrast…
Achievable Rates for a Distributed Antenna System with No Channel State Information at the Central Processor
Yi Song, Hao Xu, Kai Wan +3
A recent trend in wireless communications considers the migration of traditional monolithic base stations to the so-called disaggregated architecture, where radio units (RUs) imple…
Specific Absorption Rate-Aware Multiuser MIMO Assisted by Fluid Antenna System
Yuqi Ye, Li You, Hao Xu +3
With the development of the upcoming sixth-generation (6G) wireless networks, there is a pressing need for innovative technologies capable of satisfying heightened performance indi…
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,…
SCNR Maximization for MIMO ISAC Assisted by Fluid Antenna System
Yuqi Ye, Li You, Hao Xu +3
The integrated sensing and communication (ISAC) technology has been extensively researched to enhance communication rates and radar sensing capabilities. Additionally, a new techno…
Fluid Antenna System Empowering 5G NR
Hanjiang Hong, Kai-Kit Wong, Haoyang Li +5
Fluid antenna system (FAS) is an emerging technology that uses the new form of shape- and position-reconfigurable antennas to empower the physical layer for wireless communications…
Downlink OFDM-FAMA in 5G-NR Systems
Hanjiang Hong, Kai-Kit Wong, Hao Xu +5
Fluid antenna multiple access (FAMA), enabled by the fluid antenna system (FAS), offers a new and straightforward solution to massive connectivity. Previous results on FAMA were pr…
Fluid Antenna Multiple Access with Simultaneous Non-unique Decoding in Strong Interference Channel
Farshad Rostami Ghadi, Kai-Kit Wong, Masoud Kaveh +4
Fluid antenna system (FAS) is gaining attention as an innovative technology for boosting diversity and multiplexing gains. As a key innovation, it presents the possibility to overc…
Secrecy Performance Analysis of RIS-Aided Fluid Antenna Systems
Farshad Rostami Ghadi, Kai-Kit Wong, Masoud Kaveh +3
This paper examines the impact of emerging fluid antenna systems (FAS) on reconfigurable intelligent surface (RIS)-aided secure communications. Specifically, we consider a classic…
A New Achievable Region of the -User MAC Wiretap Channel with Confidential and Open Messages Under Strong Secrecy
Hao Xu, Kai-Kit Wong, Giuseppe Caire
This paper investigates the achievable region of a -user discrete memoryless (DM) multiple access wiretap (MAC-WT) channel, where each user transmits both secret and open messag…
Coding-Enhanced Cooperative Jamming for Secret Communication in Fluid Antenna Systems
Hao Xu, Kai-Kit Wong, Wee Kiat New +6
This letter investigates the secret communication problem for a fluid antenna system (FAS)-assisted wiretap channel, where the legitimate transmitter transmits an information-beari…
Joint Beamforming and Antenna Design for Near-Field Fluid Antenna System
Yixuan Chen, Mingzhe Chen, Hao Xu +3
In this letter, we study the energy efficiency maximization problem for a fluid antenna system (FAS) in near field communications. Specifically, we consider a point-to-point near-f…
A Tutorial on Fluid Antenna System for 6G Networks: Encompassing Communication Theory, Optimization Methods and Hardware Designs
Wee Kiat New, Kai-Kit Wong, Hao Xu +9
The advent of the sixth-generation (6G) networks presents another round of revolution for the mobile communication landscape, promising an immersive experience, robust reliability,…
Shifting the ISAC Trade-Off with Fluid Antenna Systems
Jiaqi Zou, Hao Xu, Chao Wang +5
As an emerging antenna technology, a fluid antenna system (FAS) enhances spatial diversity to improve both sensing and communication performance by shifting the active antennas amo…
Channel Estimation and Reconstruction in Fluid Antenna System: Oversampling is Essential
Wee Kiat New, Kai-Kit Wong, Hao Xu +3
Fluid antenna system (FAS) has recently surfaced as a promising technology for the upcoming sixth generation (6G) wireless networks. Unlike traditional antenna system (TAS) with fi…
On Performance of RIS-Aided Fluid Antenna Systems
Farshad Rostami Ghadi, Kai-Kit Wong, Wee Kiat New +3
This letter studies the performance of reconfigurable intelligent surface (RIS)-aided communications for a fluid antenna system (FAS) enabled receiver. Specifically, a fixed single…
Physical Layer Security over Fluid Antenna Systems: Secrecy Performance Analysis
Farshad Rostami Ghadi, Kai-Kit Wong, F. Javier Lopez-Martinez +3
This paper investigates the performance of physical layer security (PLS) in fluid antenna-aided communication systems under arbitrary correlated fading channels. In particular, it…
Fluid Antenna-Assisted MIMO Transmission Exploiting Statistical CSI
Yuqi Ye, Li You, Jue Wang +3
In conventional multiple-input multiple-output (MIMO) communication systems, the positions of antennas are fixed. To take full advantage of spatial degrees of freedom, a new techno…
Channel Estimation for FAS-assisted Multiuser mmWave Systems
Hao Xu, Gui Zhou, Kai-Kit Wong +6
This letter investigates the challenge of channel estimation in a multiuser millimeter-wave (mmWave) time-division duplexing (TDD) system. In this system, the base station (BS) emp…
Capacity Maximization for FAS-assisted Multiple Access Channels
Hao Xu, Kai-Kit Wong, Wee Kiat New +6
This paper investigates a multiuser millimeter-wave (mmWave) uplink system in which each user is equipped with a multi-antenna fluid antenna system (FAS) while the base station (BS…
An Information-Theoretic Characterization of MIMO-FAS: Optimization, Diversity-Multiplexing Tradeoff and -Outage Capacity
Wee Kiat New, Kai-Kit Wong, Hao Xu +2
Multiple-input multiple-output (MIMO) system has been the defining mobile communications technology in recent generations. With the ever-increasing demands looming towards the sixt…
Fluid Antenna System: New Insights on Outage Probability and Diversity Gain
Wee Kiat New, Kai-Kit Wong, Hao Xu +2
To enable innovative applications and services, both industry and academia are exploring new technologies for sixth generation (6G) communications. One of the promising candidates…