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Related papers: On the Performance of Single/Dual Fluid Antenna Sy…

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Over the past decades, multiple antenna technologies have appeared in many different forms, most notably as multiple-input multiple-output (MIMO), to transform wireless communications for extraordinary diversity and multiplexing gains. The…

Information Theory · Computer Science 2020-05-26 Kai-Kit Wong , Arman Shojaeifard , Kin-Fai Tong , Yangyang Zhang

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

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

To enable innovative applications and services, both industry and academia are exploring new technologies for sixth generation (6G) communications. One of the promising candidates is fluid antenna system (FAS). Unlike existing systems, FAS…

Information Theory · Computer Science 2023-05-12 Wee Kiat New , Kai-Kit Wong , Hao Xu , Kin-Fai Tong , Chan-Byoung Chae

Fluid antenna systems (FAS) are an emerging technology that promises a significant diversity gain even in the smallest spaces. Motivated by the groundbreaking potentials of liquid antennas, researchers in the wireless communication…

Information Theory · Computer Science 2023-01-02 Malek Khammassi , Abla Kammoun , Mohamed-Slim Alouini

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

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…

Information Theory · Computer Science 2024-09-04 Farshad Rostami Ghadi , Kai-Kit Wong , F. Javier Lopez-Martinez , Chan-Byoung Chae , Kin-Fai Tong , Yangyang Zhang

By recognizing the tremendous flexibility of the emerging fluid antenna system (FAS), which allows dynamic reconfigurability of the location of the antenna within a given space, this paper investigates the performance of a single-antenna…

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 (FAS) have recently emerged as a promising paradigm for achieving spatially reconfigurable, compact, and energy-efficient wireless communications in beyond fifth-generation (B5G) and sixth-generation (6G) networks. By…

Signal Processing · Electrical Eng. & Systems 2026-02-02 Saeid Pakravan , Mohsen Ahmadzadeh , Ming Zeng , Wessam Ajib , Ji Wang , Xingwang Li

Fluid Antenna System (FAS) is recognized as a promising technology for enhancing communication performance. In this context, we explored the potential of FAS-assisted wireless powered communication systems. Specifically, the transmitter,…

Signal Processing · Electrical Eng. & Systems 2024-02-06 Xiazhi Lai , Kangda Zhi , Wanyi Li , Tuo Wu , Cunhua Pan , Maged Elkashlan

This paper investigates a fluid antenna system (FAS) where a single-antenna transmitter communicates with a receiver equipped with a fluid antenna (FA) over a Rician fading channel. Considering that multiple ports among the M available FA…

Signal Processing · Electrical Eng. & Systems 2025-11-13 Tummi Ganesh , Soumya P. Dash , Italo Atzeni

This paper investigates the performance of a multi-reconfigurable intelligent surface (RIS)-assisted fluid antenna system (FAS). In this system, a single-antenna transmitter communicates with a receiver equipped with a planar FAS through…

Signal Processing · Electrical Eng. & Systems 2025-04-29 Mahmoud Aldababsa , Taissir Y. Elganimi , Mahmoud A. Albreem , Saeed Abdallah

This paper investigates a multiple input single output (MISO) downlink communication system in which users are equipped with fluid antennas (FAs). First, we adopt a field-response based channel model to characterize the downlink channel…

Information Theory · Computer Science 2024-01-17 Haoran Qin , Wen Chen , Zhendong Li , Qingqing Wu , Nan Cheng , Fangjiong Chen

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…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Yuanjun Shen , Boyi Tang , Shuai Gao , Kin-Fai Tong , Hang Wong , Kai-Kit Wong , Yangyang Zhang

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

In this letter, we study the performance of a single-user fluid antenna system (FAS) under arbitrary fading distributions, in which the fading channel coefficients over the ports are correlated. We adopt copula theory to model the structure…

Information Theory · Computer Science 2023-05-17 Farshad Rostami Ghadi , Kai-Kit Wong , F. Javier Lopez-Martinez , Kin-Fai Tong

As an emerging antenna technology, a fluid antenna system (FAS) enhances spatial diversity to improve both sensing and communication performance by shifting the active antennas among available ports. In this letter, we study the potential…

Signal Processing · Electrical Eng. & Systems 2024-05-12 Jiaqi Zou , Hao Xu , Chao Wang , Lvxin Xu , Songlin Sun , Kaitao Meng , Christos Masouros , Kai-Kit Wong

In conventional multiple-input multiple-output (MIMO) communication systems, the positions of antennas are fixed. To take full advantage of spatial degrees of freedom, a new technology called fluid antenna (FA) is proposed to obtain higher…

Information Theory · Computer Science 2024-01-10 Yuqi Ye , Li You , Jue Wang , Hao Xu , Kai-Kit Wong , Xiqi Gao

Millimeter-wave networks have already been successfully rolled out in many countries and now the research direction heads toward new technologies and standards to enable Tbps rates for future sixth-generation (6G) wireless communication…

Information Theory · Computer Science 2023-11-03 Leila Tlebaldiyeva , Sultangali Arzykulov , Khaled M. Rabie , Xingwang Li , Galymzhan Nauryzbayev
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