activity
20242026
most citedDownlink OFDM-FAMA in 5G-NR Systems

19 citations · 21 across the 19 of their papers we have counts for

collaborators

24 papers

cs.IT2026

QoS-Aware Joint Concurrency and HARQ-Limit Design for HARQ-CC-Aided Slow Fluid Antenna Multiple Access

Sixu Han, Kai-Kit Wong, Hanjiang Hong +1

Hybrid automatic repeat request with Chase combining (HARQ-CC) improves the reliability of slow fluid antenna multiple access (sFAMA), but its transmission limit must be jointly op…

cs.IT2026

HARQ-CC-Aided Slow Fluid Antenna Multiple Access with Highly Correlated Ports: An LST-Based Performance Analysis

Sixu Han, Kai-Kit Wong, Hanjiang Hong

Hybrid automatic repeat request with chase combining (HARQ-CC) improves the reliability of slow fluid antenna multiple access (sFAMA) through multi-round combining. However, existi…

cs.IT2026

Modeling and Performance Analysis for Fluid Antenna System Enabled UAV Near-Field Communications

Hao Jiang, Wangqi Shi, Zhentian Zhang +3

Fluid antenna systems (FASs) offer a promising solution for unmanned aerial vehicle (UAV) air-to-ground (A2G) communications by enabling reconfigurable radiation characteristics. A…

cs.IT2026

Learned Blockwise Port Activation for Real Time Beamforming in Fluid Antenna Arrays

Yuanhui Wu, Zhentian Zhang, Hanjiang Hong +5

Fluid antenna arrays (FAAs), support multiuser downlink transmission by activating a subset of reconfigurable ports. The activation mask jointly determines the effective channel an…

cs.IT2026

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…

cs.IT2026

Spatial Modulation for Tx-SIMO-FAS: Port Selection and Performance Analysis

Xusheng Zhu, Kai-Kit Wong, Hanjiang Hong +2

This paper considers a single-input multiple-output (SIMO) setup with a fluid antenna system (FAS) at the transmitter side and multiple fixed antennas at the receiver, which is ref…

eess.SP2026

A Survey of Physical-layer Authentication Enhanced by Emerging Spatial Domain Technologies

Yuhao Chen, Boxiang He, Junshan Luo +7

This article surveys spatial-domain-enhanced Physical-layer Authentication (PLA), with Dual-polarized Antennas (DPA), Massive Multiple-Input Multiple-Output (MIMO), and Reconfigura…

cs.IT2026

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…

cs.IT2026

Phased Ultra Massive Array (PUMA)

Hanjiang Hong, Kai-Kit Wong, Xusheng Zhu +3

This paper proposes a novel multiple-access framework, termed the phased ultra massive antenna array (PUMA), which exploits the distinctive spatial flexibility of fluid antenna sys…

cs.IT2026

Continuous Fluid Antenna Sampling for Channel Estimation in Cell-Free Massive MIMO

Masoud Kaveh, Farshad Rostami Ghadi, Francisco Hernando-Gallego +3

In this letter, we develop a continuous fluid antenna (FA) framework for uplink channel estimation in cell-free massive multiple-input and multiple-output (CF-mMIMO) systems. By mo…

cs.IT2026

Fluid Antenna-Enabled Backscatter Communication under Imperfect Channel Observations

Masoud Kaveh, Farshad Rostami Ghadi, Riku Jantti +2

Ambient backscatter communication (AmBC) enables ultra-low-power connectivity by allowing passive backscatter devices (BDs) to convey information through reflection of ambient sign…

eess.SP2026

Antenna Coding Optimization for Pixel Antenna Empowered MIMO Wireless Power Transfer

Yijun Chen, Shanpu Shen, Tianrui Qiao +3

We investigate antenna coding utilizing pixel antennas as a new degree of freedom for enhancing multiple-input multiple-output (MIMO) wireless power transfer (WPT) systems. The obj…

eess.SP2025

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…

cs.IT2025

Asymptotic Performance Analysis of Fluid Antenna Systems: An Extreme Value Theory Perspective

Yi Zhang, Jintao Wang, Zheng Shi +4

Fluid antenna systems (FAS) allow dynamic reconfiguration to achieve superior diversity gains and reliability. To quantify the performance scaling of FAS with a large number of ant…

cs.IT2025

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…

cs.IT2025

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…

cs.IT2025

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…

cs.NI2025★ 1 cited

A Comprehensive Survey of 5G URLLC and Challenges in the 6G Era

Md. Emadul Haque, Faisal Tariq, Muhammad R A Khandaker +3

As the wireless communication paradigm is being transformed from human centered communication services towards machine centered communication services, the requirements of rate, la…

cs.CR2025

Quantum Skyshield: Quantum Key Distribution and Post-Quantum Authentication for Low-Altitude Wireless Networks in Adverse Skies

Zeeshan Kaleem, Misha Urooj Khan, Ahmad Suleman +3

Recently, low-altitude wireless networks (LAWNs) have emerged as a critical backbone for supporting the low-altitude economy, particularly with the densification of unmanned aerial…

cs.IT2025

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…

cs.IT2025

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…

cs.IT2025★ 19 cited

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…

cs.IT2024

Fluid Antenna Index Modulation for MIMO Systems: Robust Transmission and Low-Complexity Detection

Xinghao Guo, Yin Xu, Dazhi He +5

The fluid antenna (FA) index modulation (IM)-enabled multiple-input multiple-output (MIMO) system, referred to as FA-IM, significantly enhances spectral efficiency (SE) compared to…

eess.SP2024★ 1 cited

Antenna Coding Empowered by Pixel Antennas

Shanpu Shen, Kai-Kit Wong, Ross Murch

Pixel antennas, based on discretizing a continuous radiation surface into small elements called pixels, are a flexible reconfigurable antenna technology. By controlling the connect…