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Related papers: FAS-RSMA: Can Fluid Antennas Elevate RSMA Performa…

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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 multiuser interference through the utilization of the fluid…

Information Theory · Computer Science 2025-11-25 Hanjiang Hong , Kai-Kit Wong , Xusheng Zhu , Hao Xu , Han Xiao , Farshad Rostami Ghadi , Hyundong Shin

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

Satellites provide seamless coverage and are critical for emergency communications during natural disasters. However, their performance is constrained by limited spectrum and high deployment cost. To address these issues, we propose a fluid…

Signal Processing · Electrical Eng. & Systems 2026-04-28 Tianyu Han , Yongxu Zhu , Gan Zheng , Pantelis-Daniel Arapoglou

Fluid antenna system (FAS) is gaining attention as an innovative technology for boosting diversity and multiplexing gains. As a key innovation, it presents the possibility to overcome interference by position reconfigurability on one radio…

Information Theory · Computer Science 2024-10-29 Farshad Rostami Ghadi , Kai-Kit Wong , Masoud Kaveh , H. Xu , W. K. New , F. Javier Lopez-Martinez , Hyundong Shin

This paper introduces a unified analytical and optimization framework for fluid antenna system-active reconfigurable intelligent surface (FAS-ARIS) communications in 6G. By combining the port reconfigurability of FAS with the signal…

Signal Processing · Electrical Eng. & Systems 2026-03-23 Hong-Bae Jeon , Kai-Kit Wong , Chan-Byoung Chae

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,…

This letter studies the impact of fluid antenna system (FAS) technology on the performance of unmanned aerial vehicle (UAV)-assisted multiuser communication networks. Specifically, we consider a scenario where a fixed-position antenna (FPA)…

Information Theory · Computer Science 2025-03-24 Farshad Rostami Ghadi , Masoud Kaveh , Francisco Hernando-Gallego , Diego Martin , Kai-Kit Wong , Chan-Byoung Chae

In this paper, we analyze the role of fluid antenna systems (FAS) in multi-user systems with hardware impairments (HIs). Specifically, we investigate a scenario where a base station (BS) equipped with multiple fluid antennas communicates…

Signal Processing · Electrical Eng. & Systems 2024-12-23 Junteng Yao , Tuo Wu , Liaoshi Zhou , Ming Jin , Cunhua Pan , Maged Elkashlan , Fumiyuki Adachi , George K. Karagiannidis , Naofal Al-Dhahir , Chau Yuen

Fluid antenna systems (FAS) have emerged as a revolutionary technology offering enhanced spatial diversity within a compact form factor. Concurrently, unmanned aerial vehicles (UAVs) are integral to future networks, necessitating channel…

Information Theory · Computer Science 2025-11-24 Xusheng Zhu , Kai-Kit Wong , Qingqing Wu , Hyundong Shin , Yangyang Zhang

Fluid antenna systems (FASs) have become a popular topic in the wireless community as an effective yet simple means of exploiting spatial diversity. Due to the limitations of physically moving radiating elements, electronically…

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…

Rate splitting multiple access (RSMA) is regarded as a crucial and powerful physical layer (PHY) paradigm for next-generation communication systems. Particularly, users employ successive interference cancellation (SIC) to decode part of the…

Information Theory · Computer Science 2024-11-15 Cixiao Zhang , Size Peng , Yin Xu , Qingqing Wu , Xiaowu Ou , Xinghao Guo , Dazhi He , Wenjun Zhang

The enormous quality of service (QoS) demands posed by mission-critical use-cases of future 5G/6G wireless communication raise the need for resource-efficient highly reliable and low latency connectivity solutions. Multi-connectivity is…

Information Theory · Computer Science 2022-11-24 Yasemin Karacora , Aydin Sezgin

The Fluid Antenna System (FAS), which enables flexible Multiple-Input Multiple-Output (MIMO) communications, introduces new spatial degrees of freedom for next-generation wireless networks. Unlike traditional MIMO, FAS involves joint port…

Information Theory · Computer Science 2025-06-18 Chao Wang , Kai-Kit Wong , Zan Li , Liang Jin , Chan-Byoung Chae

The revolutionary convergence of fluid antenna systems (FAS) and reconfigurable intelligent surfaces (RIS) creates unprecedented opportunities for secure wireless communications, yet the practical implications of hardware impairments on…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Tuo Wu , Jianchao Zheng , Xiazhi Lai , Maged Elkashlan , Hyundong Shin , Naofal Al-Dhahir

As a pivotal usage scenario for 6G networks, integrated sensing and communication (ISAC) has emerged as a focal point of both academic and industrial research. To accommodate the heterogeneous connectivity requirements of future networks…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Qinyuan Zheng , Pengcheng Zhu

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 investigates a fluid antenna system (FAS) where multiple ports can be activated for signal combining for enhanced receiver performance. Given $M$ ports at the FAS, the best $K$ ports out of the $M$ available ports are selected…

Signal Processing · Electrical Eng. & Systems 2023-09-15 Xiazhi Lai , Tuo Wu , Junteng Yao , Cunhua Pan , Maged Elkashlan , Kai-Kit Wong

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

With the development of the upcoming sixth-generation (6G) wireless networks, there is a pressing need for innovative technologies capable of satisfying heightened performance indicators. Fluid antenna system (FAS) is proposed recently as a…

Signal Processing · Electrical Eng. & Systems 2026-01-12 Yuqi Ye , Li You , Hao Xu , Ahmed Elzanaty , Kai-Kit Wong , Xiqi Gao