A tutorial on fluid antenna system for 6G networks: Encompassing communication theory, optimization methods and hardware designs

WK New, KK Wong, H Xu, C Wang… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
The advent of the sixth-generation (6G) networks presents another round of revolution for
the mobile communication landscape, promising an immersive experience, robust reliability …

An Information-Theoretic Characterization of MIMO-FAS: Optimization, Diversity-Multiplexing Tradeoff and q-Outage Capacity

WK New, KK Wong, H Xu, KF Tong… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Multiple-input multiple-output (MIMO) system has been the defining mobile communications
technology in recent generations. With the ever-increasing demands looming towards the …

Successive Bayesian reconstructor for channel estimation in fluid antenna systems

Z Zhang, J Zhu, L Dai, RW Heath - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Fluid antenna systems (FASs) can reconfigure their antenna locations freely within a
spatially continuous space. To keep favorable antenna positions, the channel state …

Fluid antenna system—part I: Preliminaries

KK Wong, WK New, X Hao, KF Tong… - IEEE Communications …, 2023 - ieeexplore.ieee.org
With research efforts gearing up to build the sixth-generation (6G) mobile communications, it
is only logical to seek new mobile technologies that can provide the next generational leap …

Fluid antenna-assisted MIMO transmission exploiting statistical CSI

Y Ye, L You, J Wang, H Xu, KK Wong… - IEEE Communications …, 2023 - ieeexplore.ieee.org
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 …

Deep learning enabled slow fluid antenna multiple access

N Waqar, KK Wong, KF Tong… - IEEE …, 2023 - ieeexplore.ieee.org
The increasing interest of fluid antenna systems is reinforced by an unprecedented way of
achieving multiple access, by exploiting moments of deep fades in space. This …

Fast fluid antenna multiple access enabling massive connectivity

KK Wong, KF Tong, Y Chen… - IEEE Communications …, 2022 - ieeexplore.ieee.org
Massive connectivity over wireless channels relies on aggressive spectrum sharing
techniques. Conventionally, this may be achieved by sophisticated signal processing and …

Capacity maximization for FAS-assisted multiple access channels

H Xu, KK Wong, WK New, FR Ghadi… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
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 …

Opportunistic fluid antenna multiple access

KK Wong, KF Tong, Y Chen, Y Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Multiple access can be realized by utilizing the spatial moments of deep fades, using fluid
antennas. The interference immunity for fluid antenna multiple access (FAMA), nevertheless …

Novel expressions for the outage probability and diversity gains in fluid antenna system

JD Vega-Sánchez, AE López-Ramírez… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
The flexibility and reconfigurability at the radio frequency (RF) front-end offered by the fluid
antenna system (FAS) make this technology promising for providing remarkable diversity …