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Related papers: Fluid Antenna Systems: A Geometric Approach to Err…

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The advent of the sixth-generation (6G) networks presents another round of revolution for the mobile communication landscape, promising an immersive experience, robust reliability, minimal latency, extreme connectivity, ubiquitous coverage,…

Fluid antennas (FAs) is a promising technology for introducing flexibility and reconfigurability in wireless networks. Recent research efforts have highlighted the potential gains that can be achieved in comparison to conventional antennas.…

Signal Processing · Electrical Eng. & Systems 2023-11-03 Constantinos Psomas , Peter J. Smith , Himal A. Suraweera , Ioannis Krikidis

Fluid antenna systems (FASs) have introduced a new paradigm for wireless system design by revealing how mutual correlation can be exploited to harvest inherent spatial diversity. While existing studies have mainly focused on one-sided FAS…

Information Theory · Computer Science 2026-04-21 Zhentian Zhang , Yuanhui Wu , Kai-Kit Wong , Hao Jiang , An Li

Powered by position-flexible antennas, the emerging fluid antenna system (FAS) technology is postulated as a key enabler for massive connectivity in 6G networks. The free movement of antenna elements enables the opportunistic minimization…

Signal Processing · Electrical Eng. & Systems 2024-07-24 Pablo Ramirez-Espinosa , David Morales-Jimenez , Kai-Kit Wong

This paper advocates a fluid antenna system (FAS)-assisted long-range communication (LoRa-FAS) for Internet-of-Things (IoT) applications. \textcolor{blue}{In the proposed system, FAS provides spatial diversity gains for LoRa, eliminating…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Gaoze Mu , Yanzhao Hou , Kai-Kit Wong , Mingjie Chen , Qimei Cui , Xiaofeng Tao , Ping Zhang

This paper proposes a hardware-software co-design approach to efficiently optimize beamforming and port selection in fluid antenna systems (FASs). To begin with, a fluid-antenna (FA)-enabled downlink multi-cell multiple-input…

Signal Processing · Electrical Eng. & Systems 2025-07-21 Sai Xu , Kai-Kit Wong , Yanan Du , Hanjiang Hong , Chan-Byoung Chae , Baiyang Liu , Kin-Fai Tong

Fluid antenna system (FAS) as a new version of reconfigurable antenna technologies promoting shape and position flexibility, has emerged as an exciting and possibly transformative technology for wireless communications systems. FAS…

The concept of reconfigurable fluid antennas (FA) is a potential and promising solution to enhance the spectral efficiency of wireless communication networks. Despite their many advantages, FA-enabled communications have limitations as they…

Information Theory · Computer Science 2022-12-19 Christodoulos Skouroumounis , Ioannis Krikidis

In this work, a novel design of electromagnetically reconfigurable antennas (ERAs) based on a fluid antenna system (FAS) is proposed, and the corresponding wireless channel model is established. Different from conventional antenna arrays…

Systems and Control · Electrical Eng. & Systems 2025-05-06 Ruiqi Wang , Pinjun Zheng , Tareq Y. Al-Naffouri , Atif Shamim

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 intelligent surfaces are repurposed from passive smart reflectors…

Information Theory · Computer Science 2026-02-12 Farshad Rostami Ghadi , Kai-Kit Wong , Masoud Kaveh , Wee Kiat New , Chan-Byoung Chae , Lajos Hanzo

We introduce a novel received signal strength intensity (RSSI)-based positioning method using fluid antenna systems (FAS), leveraging their inherent channel correlation properties to improve location accuracy. By enabling a single antenna…

Signal Processing · Electrical Eng. & Systems 2025-03-04 Wenzhi Liu , Zhisheng Rong , Xiayue Liu , Yufei Jiang , Xu Zhu

Fluid Antenna Systems (FAS) introduce a new degree of freedom for wireless networks by enabling the physical antenna position to adapt dynamically to changing radio conditions. While existing studies primarily emphasize physical-layer…

Networking and Internet Architecture · Computer Science 2026-03-24 Ian F. Akyildiz , Tuğçe Bilen

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 antenna ports, this paper leverages extreme value theory (EVT)…

Information Theory · Computer Science 2025-11-25 Yi Zhang , Jintao Wang , Zheng Shi , Xu Wang , Guanghua Yang , Shaodan Ma , Kai-Kit Wong

This paper addresses the challenge of co-channel interference and intentional jamming in low-altitude air-ground communications. Since conventional fixed-position antenna (FPA) systems lack spatial adaptability to dynamically balance signal…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Yifan Guo , Junshan Luo , Fanggang Wang , Haiyang Ding , Shilian Wang , Zhenhai Xu

Fluid antenna systems (FASs) offer genuine simplicity for communication network design by eliminating expensive hardware overhead and reducing the complexity of access protocol architectures. Through the discovery of significant spatial…

Information Theory · Computer Science 2025-11-25 Zhentian Zhang , David Morales-Jimenez , Hao Jiang , Christos Masouros

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, channel state information (CSI) over the ports is required,…

Information Theory · Computer Science 2026-04-21 Zhentian Zhang , Hao Jiang , Kai-Kit Wong , Hyundong Shin , Ross Murch

Fluid antenna systems (FASs) offer substantial spatial diversity by exploiting the electromagnetic port correlation within compact array spaces, thereby generating favorable small-scale fading conditions with beneficial channel gain…

Information Theory · Computer Science 2025-11-19 Haoyu Liang , Zhentian Zhang , Jian Dang , Hao Jiang , Zaichen Zhang

The synergy of fluid-based reconfigurable antenna (FA) technology and full-duplex (FD) communications can be jointly beneficial, as FD can enhance the spectral efficiency of a point-to-point link, while the new degree of freedom offered by…

Information Theory · Computer Science 2023-04-11 Christodoulos Skouroumounis , Ioannis Krikidis

This paper presents the concept, design, channel modeling, beamforming algorithm development, prototype fabrication, and experimental measurement of an electromagnetically reconfigurable fluid antenna system (ER-FAS), in which each FAS…

Signal Processing · Electrical Eng. & Systems 2025-10-17 Ruiqi Wang , Pinjun Zheng , Vijith Varma Kotte , Sakandar Rauf , Yiming Yang , Muhammad Mahboob Ur Rahman , Tareq Y. Al-Naffouri , Atif Shamim

In a fluid antenna system (FAS), a single reconfigurable antenna is able to activate one of $N$ correlated ports to exploit spatial diversity. However, outage analysis is challenging because exact evaluation requires an $N$-dimensional…

Signal Processing · Electrical Eng. & Systems 2026-05-20 Tuo Wu , Junteng Yao , Kai-Kit Wong , Jie Tang , Maged Elkashlan , Baiyang Liu , Kin-Fai Tong , Hyundong Shin