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相关论文: Novel Expressions for the Outage Probability and D…

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This letter considers a fluid antenna system (FAS)-aided secure and covert communication system, where the transmitter adjusts multiple fluid antennas' positions to achieve secure and covert transmission under the threat of an eavesdropper…

信号处理 · 电气工程与系统科学 2024-11-15 Junteng Yao , Liangxiao Xin , Tuo Wu , Ming Jin , Kai-Kit Wong , Chau Yuen , Hyundong Shin

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…

信号处理 · 电气工程与系统科学 2026-05-20 Tuo Wu , Junteng Yao , Kai-Kit Wong , Jie Tang , Maged Elkashlan , Baiyang Liu , Kin-Fai Tong , Hyundong Shin

This letter considers a fluid antenna system (FAS)-aided rate-splitting multiple access (RSMA) approach for downlink transmission. In particular, a base station (BS) equipped with a single traditional antenna system (TAS) uses RSMA…

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 primarily based on narrowband channels. This paper studies the…

信息论 · 计算机科学 2025-06-18 Hanjiang Hong , Kai-Kit Wong , Hao Xu , Yin Xu , Hyundong Shin , Ross Murch , Dazhi He , Wenjun Zhang

In this paper, we investigate the performance of a fluid antenna relay (FAR)-assisted downlink communication system utilizing non-orthogonal multiple access (NOMA). The FAR, which integrates a fluid antenna system (FAS), is equipped on an…

信号处理 · 电气工程与系统科学 2026-03-27 Ruopeng Xu , Songling Zhang , Zhaohui Yang , Yixuan Chen , Mingzhe Chen , Zhaoyang Zhang , Kai-Kit Wong

Fluid antenna is a novel technology that can make an antenna appear instantly at one of N preset locations in a predefined space. An important application is to adopt fluid antenna in a small space of mobile device for obtaining the…

信息论 · 计算机科学 2020-06-11 Kai-Kit Wong , Kin-Fai Tong

While multiple-input multiple-output (MIMO) technologies continue to advance, concerns arise as to how MIMO can remain scalable if more users are to be accommodated with an increasing number of antennas at the base station (BS) in the…

信号处理 · 电气工程与系统科学 2026-02-03 Yuanjun Shen , Boyi Tang , Shuai Gao , Kin-Fai Tong , Hang Wong , Kai-Kit Wong , Yangyang Zhang

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)…

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 design of wireless communication systems. This also means that…

信息论 · 计算机科学 2025-09-11 Xusheng Zhu , Kai-Kit Wong , Hao Xu , Han Xiao , Hanjiang Hong , Hyundong Shin , Yangyang 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…

Fluid antenna enables position reconfigurability that gives transceiver access to a high-resolution spatial signal and the ability to avoid interference through the ups and downs of fading channels. Previous studies investigated this fluid…

信号处理 · 电气工程与系统科学 2025-04-30 Tianyu Han , Yongxu Zhu , Kai-Kit Wong , Gan Zheng , Hyundong Shin

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 diversity} of FASs -- which exploits spatial channel…

信息论 · 计算机科学 2026-05-22 Zhentian Zhang , Jingyuan Xu , Kai-Kit Wong , Hao Jiang , Zaichen Zhang , Hyundong Shin

This paper investigates the performance of a single-user fluid antenna system (FAS), by exploiting a class of elliptical copulas to describe the dependence structure amongst the fluid antenna positions (ports). By expressing the well-known…

This paper proposes a novel fluid antenna system (FAS)-enabled architecture to improve energy efficiency (EE) without sacrificing capacity. Specifically, we integrate FAS into cell-free massive MIMO systems to counteract low-resolution…

信息论 · 计算机科学 2026-05-28 Jun Qian , Ross Murch , Khaled B. Letaief

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…

信号处理 · 电气工程与系统科学 2024-11-26 Yixuan Chen , Mingzhe Chen , Hao Xu , Zhaohui Yang , Kai-Kit Wong , Zhaoyang Zhang

In this paper, we investigate a fluid antenna relay (FAR)-assisted communication system with hybrid relaying scheme selection. By leveraging statistical channel state information (CSI) and distribution characteristics of fluid antenna…

信号处理 · 电气工程与系统科学 2026-01-21 Ruopeng Xu , Songling Zhang , Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , Kai-Kit Wong

Fluid antenna represents a concept where a mechanically flexible antenna can switch its location freely within a given space. Recently, it has been reported that even with a tiny space, a single-antenna fluid antenna system (FAS) can…

信息论 · 计算机科学 2020-05-29 Kai-Kit Wong , Arman Shojaeifard , Kin-Fai Tong , Yangyang Zhang

This paper investigates the impact of deploying the fluid antenna system (FAS) on the performance of covert communications. In particular, we focus on a scenario where a transmitter seeks to covertly communicate with a receiver, while a…

信息论 · 计算机科学 2025-02-28 Farshad Rostami Ghadi , Masoud Kaveh , Riku Jantti , F. Javier Lopez-Martinez

This paper studies slow, fast and opportunistic fluid antenna multiple access (FAMA) under the effect of Nakagami-m fading channels, considering the new and realistic spatial blockcorrelation model. Expressions for the outage probability…

统计理论 · 数学 2025-10-09 Paulo R. de Moura , Hugerles S. Silva , Ugo S. Dias , Higo T. P. Silva

This paper introduces a fluid antenna system (FAS) into reconfigurable intelligent surface (RIS) assisted non-orthogonal multiple access (NOMA) communication networks, where the non-orthogonal users are equipped with planar fluid antennas.…

信息论 · 计算机科学 2026-05-12 Xinwei Yue , He Geng , Jingjing Zhao , Xianli Gong , Aryan Kaushik , Arumugam Nallanathan