English
Related papers

Related papers: A Tutorial on Fluid Antenna System for 6G Networks…

200 papers

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

Fluid antenna system (FAS)/movable antenna (MA) has emerged as a promising technology to fully exploit the spatial degrees of freedom (DoFs). In this paper, we propose a new rotatable antenna (RA) model, as a simplified implementation of…

Information Theory · Computer Science 2025-02-28 Qingjie Wu , Beixiong Zheng , Tiantian Ma , Rui Zhang

This paper examines the impact of emerging fluid antenna systems (FAS) on reconfigurable intelligent surface (RIS)-aided secure communications. Specifically, we consider a classic wiretap channel, where a fixed-antenna transmitter sends…

Information Theory · Computer Science 2024-08-28 Farshad Rostami Ghadi , Kai-Kit Wong , Masoud Kaveh , F. Javier Lopez-Martinez , Wee Kiat New , Hao Xu

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-field system where the base station (BS) transmitter has…

Signal Processing · Electrical Eng. & Systems 2024-11-26 Yixuan Chen , Mingzhe Chen , Hao Xu , Zhaohui Yang , Kai-Kit Wong , Zhaoyang Zhang

The fluid antenna system (FAS) refers to a family of reconfigurable antenna technologies that provide substantial spatial gains within a compact, predefined small space, thereby offering extensive degrees of freedom in the physical layer…

Information Theory · Computer Science 2025-12-18 Zhentian Zhang , Jian Dang , David Morales-Jimenez , Hao Jiang , Zaichen Zhang , Christos Masouros , Chan-Byoung Chae

This paper investigates a design framework for sparse fluid antenna systems (FAS) enabling high-performance direction-of-arrival (DOA) estimation, particularly in challenging millimeter-wave (mmWave) environments. By ingeniously harnessing…

Signal Processing · Electrical Eng. & Systems 2025-08-15 He Xu , Tuo Wu , Ye Tian , Ming Jin , Wei Liu , Qinghua Guo , Maged Elkashlan , Matthew C. Valenti , Chan-Byoung Chae , Kin-Fai Tong , Kai-Kit Wong

Fluid antenna systems (FAS) are among the most promising technologies for the sixth generation (6G) mobile communication networks. Unlike traditional fixed-position multiple-input multiple-output (MIMO) systems, a FAS possesses position…

Information Theory · Computer Science 2025-05-22 Jiangsheng Huangfu , Zhengyu Song , Tianwei Hou , Anna Li , Yuanwei Liu , Arumugam Nallanathan , Kai-Kit Wong

Most existing antenna array-based source localization methods rely on fixed-position arrays (FPAs) and strict assumptions about source field conditions (near-field or far-field), which limits their effectiveness in complex, dynamic…

Fluid antennas, including those based on liquid, mechanical, and pixel-based technologies, are poised to significantly enhance next-generation wireless systems by adaptively optimizing their radiation characteristics. Many theoretical…

Signal Processing · Electrical Eng. & Systems 2025-10-17 Halvin Yang , Yizhe Zhao , Kai-Kit Wong , Hsiao-Hwa Chen , Chan-Byoung Chae

Stacked intelligent metasurfaces (SIMs) and fluid antenna systems (FAS) are emerging technologies for wave-domain and spatial signal manipulation, respectively.This letter proposes a novel joint SIM-FAS communication model in which…

Information Theory · Computer Science 2026-05-22 Anastasios Papazafeiropoulos

The fluid antenna system (FAS) has emerged as a new physical-layer concept to provide enhanced propagation conditions for multiuser multiple-input multiple-output (MIMO) communications over conventional fixed arrays. This work focuses on…

Signal Processing · Electrical Eng. & Systems 2025-07-16 Wenxuan Sun , Mingjie Shao , Luteng Zhu , Yao Ge , Tong Zhang , Zhi Liu

The evolution of wireless networks is driving new paradigms for consideration in upcoming generations. To this end, the 6G anticipates the development of several data-rate-hungry applications, in addition to a forecast growth in…

Information Theory · Computer Science 2026-04-07 Elmehdi Illi , Marwa Qaraqe

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

This letter studies the performance of reconfigurable intelligent surface (RIS)-aided communications for a fluid antenna system (FAS) enabled receiver. Specifically, a fixed singleantenna base station (BS) transmits information through a…

Information Theory · Computer Science 2024-02-27 Farshad Rostami Ghadi , Kai-Kit Wong , Wee Kiat New , Hao Xu , Ross Murch , Yangyang Zhang

Federated learning (FL) is an emerging machine learning paradigm with immense potential to support advanced services and applications in future industries. However, when deployed over wireless communication systems, FL suffers from…

Signal Processing · Electrical Eng. & Systems 2025-03-06 Sangjun Park , Hyowoon Seo

In this paper, we investigate the question of which technology, fluid antenna systems (FAS) or active reconfigurable intelligent surfaces (ARIS), plays a more crucial role in FAS-ARIS wireless communication systems. To address this, we…

Signal Processing · Electrical Eng. & Systems 2024-08-20 Junteng Yao , Liaoshi Zhou , Tuo Wu , Ming Jin , Chongwen Huang , Chau Yuen

The fluid antenna concept represents shape-flexible and position-flexible antenna technologies designed to enhance wireless communication applications. In this paper, we apply this concept to reconfigurable intelligent surfaces (RISs),…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Abdelhamid Salem , Kai-Kit Wong , George Alexandropoulos , Chan-Byoung Chae , Ross Murch

Unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC) is regarded as a key enabler for next-generation wireless systems. However, conventional fixed-position antennas limit the ability of UAVs to fully exploit…

Information Theory · Computer Science 2026-03-20 Wenchao Liu , Xuhui Zhang , Jinke Ren , Weijie Yuan , Changsheng You , Shuangyang Li

Recent advances in reconfigurable antennas have led to the new concept of the fluid antenna system (FAS) for shape and position flexibility, as another degree of freedom for wireless communication enhancement. This paper explores the…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Jiangong Chen , Yue Xiao , Zhendong Peng , Jing Zhu , Xia Lei , Christos Masouros , Kai-Kit Wong

The reconfigurability of fluid antenna systems (FASs) and reconfigurable intelligent surfaces (RISs) provides significant flexibility in optimizing channel conditions by jointly adjusting the positions of fluid antennas and the phase shifts…

Information Theory · Computer Science 2025-09-29 Xin Zhang , Dongfang Xu , Jingjing Wang , Shenghui Song , Derrick Wing Kwan Ng , Mérouane Debbah