19 citations · 39 across the 30 of their papers we have counts for
33 papers
HARQ for Slow Fluid Antenna Multiple Access
Sixu Han, Kai-Kit Wong, Hanjiang Hong +1
Slow fluid antenna multiple access (sFAMA), enabled by the fluid antenna system (FAS), has recently emerged as a practical and low-complexity paradigm for supporting massive wirele…
Enormous Fluid Antenna Systems (E-FAS) for Wireless Sensing: Channel Modeling and Conditional Estimation Limits
Farshad Rostami Ghadi, Kai-Kit Wong, Jose D. Vega-Sanchez +2
In this paper, we develop a fundamental analytical framework for integrated sensing and communications (ISAC) enabled by the Enormous Fluid Antenna System (E-FAS), which transforms…
Fluid Antenna Systems Enabling 6G HRLLC With Port Switching Delay
Xusheng Zhu, Kai-Kit Wong, Hao Xu +2
Fluid antenna systems (FAS) exploit antenna position reconfigurability to unlock massive spatial diversity within compact form factors, making them a promising enabler for 6G user…
Geometry-Structured Channel Reconstruction for Conventional and Fluid Antenna Systems: Bayesian Inference and Fundamental Limits
Zhentian Zhang, Kai-Kit Wong, Kaitao Meng +5
Accurate channel state information (CSI) acquisition is critical for exploiting the spatial flexibility of fluid antenna systems (FASs). However, port selection and transmission op…
Fluid RIS (FRIS)-Assisted Index Modulation for 6G Wireless Communications
Xusheng Zhu, Kai-Kit Wong, Sai Xu +3
Fluid reconfigurable intelligent surfaces (FRIS) extend conventional reconfigurable intelligent surfaces (RIS) by adding spatial reconfigurability through switchable apertures, pat…
Finite-Aperture Planar Fluid Antenna Array
Zhentian Zhang, Jingyuan Xu, Kai-Kit Wong +3
Fluid antenna systems (FASs) are emerging as a reconfigurable-aperture technology that expands physical-layer design beyond fixed, rigid antenna geometries. While the \emph{fading…
How Many Independent Modes Does a Fluid Antenna Have? A Closed-Form Outage Analysis via Equivalent Degrees of Freedom
Tuo Wu, Junteng Yao, Kai-Kit Wong +5
In a fluid antenna system (FAS), a single reconfigurable antenna is able to activate one of correlated ports to exploit spatial diversity. However, outage analysis is challengi…
WirelessAgent: A Unified Agent Design for General Wireless Resource Allocation Problem without Current Channel State Information
Ran Yi, Ruopeng Xu, Dongshu Zhao +5
This paper investigates the agent design for solving the wireless resource allocation problem without sufficient channel state information (CSI), which cannot be effectively solved…
Beyond Covariance: Generative Spatial Correlation Modeling and Channel Interpolation for Fluid Antenna Systems
Zhentian Zhang, Hao Jiang, Kai-Kit Wong +2
Fluid antenna systems (FAS) enable unprecedented spatial diversity within a compact form factor by flexibly switching among high-density antenna ports. To activate this capability,…
Fluid Antennas Meet Rate-Splitting Multiple Access: A New Path Forward for 6G Networks
Jinyuan Liu, Yong Liang Guan, Hong Niu +4
Future sixth-generation (6G) networks require high spectral efficiency (SE), massive connectivity, and stringent reliability under imperfect channel state information at the transm…
LLM-enabled Antenna Partitioning and Beamforming Optimization for Segmented Pinching
Qian Gao, Ruikang Zhong, Hyundong Shin +1
Integrated sensing and communication (ISAC) requires spatial architectures that can flexibly balance data transmission and environment sensing. Segmented pinching antenna-assisted…
Antenna Elements' Trajectory Optimization for Throughput Maximization in Continuous-Trajectory Fluid Antenna-Aided Wireless Communications
Shuaixin Yang, Yijia Li, Yue Xiao +4
Fluid antenna (FA) systems offer novel spatial degrees of freedom (DoFs) with the potential for significant performance gains. Compared to existing works focusing solely on optimiz…
Reinforcing Structured Chain-of-Thought for Video Understanding
Peiyao Wang, Haotian Xu, Noranart Vesdapunt +6
Multi-modal Large Language Models (MLLMs) show promise in video understanding. However, their reasoning often suffers from thinking drift and weak temporal comprehension, even when…
Fluid Antennas Meet Intelligent Surfaces: Security Analysis of NOMA Systems Under Hardware Impairments
Tuo Wu, Jianchao Zheng, Xiazhi Lai +3
The revolutionary convergence of fluid antenna systems (FAS) and reconfigurable intelligent surfaces (RIS) creates unprecedented opportunities for secure wireless communications, y…
Taming the Bessel Landscape: Joint Antenna Position Optimization for Spatial Decorrelation in Fluid MIMO Systems
Tuo Wu, Kai-Kit Wong, Baiyang Liu +2
When the concept of fluid antenna system (FAS) is applied to multiple-input multiple-output (MIMO) systems, this gives rise to MIMO-FAS, a.k.a.~fluid MIMO. Under rich scattering, t…
Joint Optimization of Model Partitioning and Resource Allocation for Anti-Jamming Collaborative Inference Systems
Mengru Wu, Jiawei Li, Jiaqi Wei +3
With the increasing computational demands of deep neural network (DNN) inference on resource-constrained devices, DNN partitioning-based device-edge collaborative inference has eme…
Orchestrating Multimodal DNN Workloads in Wireless Neural Processing
Sai Xu, Kai-Kit Wong, Yanan Du +1
In edge inference, wireless resource allocation and accelerator-level deep neural network (DNN) scheduling have yet to be co-optimized in an end-to-end manner. The lack of coordina…
Information-Theoretic Limits of Fluid Antenna-Aided ISAC with Representation Information Constraints
Farshad Rostami Ghadi, Kai-Kit Wong, F. Javier Lopez-Martinez +3
This paper characterizes the fundamental limits of integrated sensing and communication (ISAC) when the transmitter is subject to a representation-constrained encoder modeled via a…
Finite-Aperture Fluid Antenna Array Design: Analysis and Algorithm
Zhentian Zhang, Kai-Kit Wong, Hao Jiang +3
Finite-aperture constraints render array design nontrivial and can undermine the effectiveness of classical sparse geometries. This letter provides universal guidance for fluid ant…
Fundamental Limits of Localization with Fluid Antenna Systems: A Fisher Information Analysis
Abdelhamid Salem, Kai-Kit Wong, Hyundong Shin +1
In this letter, we investigate the fundamental limits of localization in fluid antenna systems (FAS) utilizing a Fisher-information-theoretic framework. We develop a unified model…
Multi-Port Selection for FAMA: Massive Connectivity with Fewer RF Chains than Users
Hanjiang Hong, Kai-Kit Wong, Xusheng Zhu +4
Fluid antenna multiple access (FAMA) is an emerging technology in massive access designed to meet the demands of future wireless communication networks by naturally mitigating mult…
Fluid Antenna System-Enabled UAV-to-Ground Communications
Xusheng Zhu, Kai-Kit Wong, Qingqing Wu +2
Fluid antenna systems (FAS) have emerged as a revolutionary technology offering enhanced spatial diversity within a compact form factor. Concurrently, unmanned aerial vehicles (UAV…
Geometric Port Selection in CUMA Systems
Chenguang Rao, Kai-Kit Wong, Mohd Hamza Naim Shaikh +3
Compact ultra-massive antenna-array (CUMA) is a novel multiple access technology built on the fluid antenna system (FAS) concept, offering an improved scheme over fluid antenna mul…
Fluid Antenna Systems: A Geometric Approach to Error Probability and Fundamental Limits
Xusheng Zhu, Kai-Kit Wong, Hao Xu +4
The fluid antenna system (FAS) concept is an emerging paradigm that promotes the utilization of the feature of shape and position reconfigurability in antennas to broaden the desig…