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Related papers: Fluid Antenna System-Enabled UAV-to-Ground Communi…

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Movable antenna (MA) technology offers promising potential to enhance wireless communication by allowing flexible antenna movement. To maximize spatial degrees of freedom (DoFs), larger movable regions are required, which may render the…

Information Theory · Computer Science 2024-10-01 Lipeng Zhu , Wenyan Ma , Zhenyu Xiao , Rui Zhang

The current integrated sensing, communication, and computing (ISCC) systems face significant challenges in both efficiency and resource utilization. To tackle these issues, we propose a novel fluid antenna (FA)-enabled ISCC system,…

Information Theory · Computer Science 2024-09-19 Yiping Zuo , Jiajia Guo , Weicong Chen , Weibei Fan , Biyun Sheng , Fu Xiao , Shi Jin

Communication infrastructure is often severely disrupted in post-disaster areas, which interrupts communications and impedes rescue. Recently, the technology of reconfigurable intelligent surface (RIS)-equipped-UAV has been investigated as…

Information Theory · Computer Science 2024-06-18 Yinong Chen , Wenchi Cheng , Wei Zhang

Since various types of unmanned aerial vehicles (UAVs) with different hardware capabilities are introduced, we establish a foundation for the multi-layer aerial network (MAN). First, the MAN is modeled as K layer ANs, and each layer has…

Signal Processing · Electrical Eng. & Systems 2019-04-03 Dongsun Kim , Jemin Lee , Tony Q. S. Quek

We propose a novel receiver architecture that preserves the performance benefits of multiport selection in fluid-antenna systems while requiring only a very small number of radio-frequency (RF) chains. The resulting fluid-antenna hybrid…

Information Theory · Computer Science 2026-05-25 José P. González-Coma , José David Vega-Sánchez , F. Javier López-Martínez

Reconfigurable intelligent surface (RIS)-assisted unmanned areal vehicles (UAV) communications have been identified as a key enabler of a number of next-generation applications. However, to the best of our knowledge, there is no generalized…

Signal Processing · Electrical Eng. & Systems 2022-12-13 Alexandros-Apostolos A. Boulogeorgos , Angeliki Alexiou , Marco Di Renzo

Index modulation (IM) significantly enhances the spectral efficiency of fluid antennas (FAs) enabled multiple-input multiple-output (MIMO) systems, which is named FA-IM. However, due to the dense distribution of ports on the FA, the…

Information Theory · Computer Science 2024-08-20 Xinghao Guo , Yin Xu , Dazhi He , Cixiao Zhang , Wenjun Zhang , Yi-yan Wu

The integration of communication and computation is essential for next-generation wireless systems, especially in scenarios demanding massive connectivity and ultra-low latency. Over-the-air federated learning (AirFL), leveraging the…

Signal Processing · Electrical Eng. & Systems 2026-05-13 Saeid Pakravan , Mohsen Ahmadzadeh , Ming Zeng , Ghosheh Abed Hodtani , Xingwang Li

As 5G wireless systems and networks are now being globally commercialized and deployed, more diversified application scenarios are emerging, quickly reshaping our societies and paving the road to the beyond 5G (6G) era when terahertz (THz)…

Signal Processing · Electrical Eng. & Systems 2021-04-16 Mengan Song , Yiming Huo , Tao Lu , Xiaodai Dong , Zhonghua Liang

Traditional single-input single-output (SISO) systems face fundamental limitations in achieving accurate three-dimensional (3D) localization due to limited spatial degrees of freedom (DoF) and the adverse impact of multipath propagation.…

Signal Processing · Electrical Eng. & Systems 2025-09-17 Hua Chen , Tao Gong , Tuo Wu , Maged Elkashlan , Baiyang Liu , Chan-Byoung Chae , Kin-Fai Tong , Kai-Kit Wong

We consider a single-user (SU) continuous fluid antenna system (CFAS) employing matched filtering (MF) operating over a Ricean fading channel. Focusing on the upper tail of the received signal-to-noise ratio (SNR) distribution (the high SNR…

Signal Processing · Electrical Eng. & Systems 2025-08-15 Amy S. Inwood , Peter J. Smith , Rajitha Senanayake , Michail Matthaiou

In this paper, we propose a transmission mechanism for fluid antennas (FAs) enabled multiple-input multiple-output (MIMO) communication systems based on index modulation (IM), named FA-IM, which incorporates the principle of IM into…

Information Theory · Computer Science 2023-12-27 Jing Zhu , Gaojie Chen , Pengyu Gao , Pei Xiao , Zihuai Lin , Atta Quddus

Flexible antenna arrays (FAAs), distinguished by their rotatable, bendable, and foldable properties, are extensively employed in flexible radio systems to achieve customized radiation patterns. This paper aims to illustrate that FAAs,…

Signal Processing · Electrical Eng. & Systems 2025-04-01 Songjie Yang , Jiancheng An , Yue Xiu , Wanting Lyu , Boyu Ning , Zhongpei Zhang , Merouane Debbah , Chau Yuen

This paper characterizes the fundamental limits of integrated sensing and communication (ISAC) when the transmitter is subject to an artificial intelligence (AI) representation bottleneck and the receiver employs a fluid antenna system…

Recently, free-space optical (FSO) communication systems have obtained a wide range of applications for communications between unmanned aerial vehicles (UAVs) because they offer several advantages with respect to the traditional RF…

Signal Processing · Electrical Eng. & Systems 2021-06-30 Mohammad Taghi Dabiri , Seyed Mohammad Sajad Sadough , Himan Savojbolaghchi

Fluid reconfigurable intelligent surfaces (FRIS) extend conventional RIS architectures by enabling physical reconfiguration of element positions, thereby introducing a fundamentally new degree of freedom for controlling spatial correlation…

This paper presents an analytical framework for evaluating the coverage performance of the fluid antenna system (FAS)-enhanced LoRa wide-area networks (LoRaWANs). We investigate the effects of large-scale pathloss in LoRaWAN, small-scale…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Gaoze Mu , Yanzhao Hou , Mingjie Chen , Yuanyu Hu , Yongan Zheng , Qimei Cui , Xiaofeng Tao

This paper investigates a two-timescale uplink transmission framework for a fluid antenna-enabled multiuser multi-input multi-output system (MIMO-FAS). Antenna positions are optimized based on statistical channel state information (CSI),…

Signal Processing · Electrical Eng. & Systems 2025-03-04 Linyue Hu , Luchu Li , Cunhua Pan , Hong Ren

Over-the-air computation (AirComp) has emerged as a promising technology for fast wireless data aggregation by harnessing the superposition property of wireless multiple-access channels. This paper investigates a fluid antenna (FA)…

Information Theory · Computer Science 2025-02-14 Deyou Zhang , Sicong Ye , Ming Xiao , Kezhi Wang , Marco Di Renzo , Mikael Skoglund

We consider a two-ray ground reflection scenario with unknown distance between transmitter and receiver. By utilizing two frequencies in parallel, we can mitigate possible destructive interference and ensure ultra-reliability with only very…

Information Theory · Computer Science 2024-09-06 Karl-Ludwig Besser , Eduard A. Jorswieck , Justin P. Coon
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