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Related papers: Secure ISAC with Fluid Antenna Systems: Joint Prec…

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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…

Information Theory · Computer Science 2026-05-22 Zhentian Zhang , Jingyuan Xu , Kai-Kit Wong , Hao Jiang , Zaichen Zhang , Hyundong Shin

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

In this letter, we investigate the fundamental limits of localization in fluid antenna systems (FAS) utilizing a Fisher-information-theoretic framework. We develop a unified model to quantify the localization information extractable from…

Signal Processing · Electrical Eng. & Systems 2025-12-17 Abdelhamid Salem , Kai-Kit Wong , Hyundong Shin , Yangyang Zhang

In this paper, we consider joint antenna allocation and transmit beamforming design in secure integrated sensing and communication (ISAC) systems. A dual-function base station (DFBS) aims to securely deliver messages to a single-antenna…

Networking and Internet Architecture · Computer Science 2024-10-03 Yunxiang Shi , Lixin Li , Wensheng Lin , Wei Liang , Zhu Han

The full-duplex (FD) technology has the potential to radically evolve wireless systems, facilitating the integration of both communications and radar functionalities into a single device, thus, enabling joint communication and sensing…

Information Theory · Computer Science 2023-06-21 Chandan Kumar Sheemar , George C. Alexandropoulos , Dirk Slock , Jorge Querol , Symeon Chatzinotas

Integrated sensing and communication (ISAC) has recently emerged as a viable technique for establishing sensing and communication using the same resources. Nonetheless, the operation of ISAC networks is often challenged by the absence of a…

Information Theory · Computer Science 2025-04-30 Elmehdi Illi , Ahmad Bazzi , Marwa Qaraqe , Ali Ghrayeb

Flexible antenna arrays (FAAs) can physically reshape their geometry to add new spatial degrees of freedom, whereas transmit beamforming adjusts the complex element weights to electronically steer and shape the array's radiation pattern,…

Signal Processing · Electrical Eng. & Systems 2026-03-02 Zhen Xu , Gaojie Chen , Jing Zhu , Weiwei Zhao , Yonghui Li , Rahim Tafazolli , Wei Huang

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

The collaborative sensing of multiple Integrated sensing and communication (ISAC) base stations is one of the important technologies to achieve intelligent transportation. Interference elimination between ISAC base stations is the…

Information Theory · Computer Science 2022-06-23 Wangjun Jiang , Zhiqing Wei , Zhiyong Feng

This paper proposes a secure integrated sensing and communications (ISAC) framework for multi-user systems with multiple communication users (CUs) and adversarial targets, where the design problem is formulated to maximize secrecy rate…

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

Integrated sensing and communication (ISAC) systems have emerged as a promising solution to improve spectrum efficiency and enable functional convergence. However, ensuring secure information transmission while maintaining high-quality…

Signal Processing · Electrical Eng. & Systems 2025-12-12 Yufei Wang , Qiang Li , Hongli Liu , Ying Zhang , Jingran Lin

This paper studies integrated sensing and communication (ISAC) technology in a full-duplex (FD) uplink communication system. As opposed to the half-duplex system, where sensing is conducted in a first-emit-then-listen manner, FD ISAC system…

Information Theory · Computer Science 2023-09-22 Yuan Guo , Yang Liu , Qingqing Wu , Xin Zeng , Qingjiang Shi

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

In this paper, we propose an enhanced physical layer security approach, named joint secrecy and covert communication (JSACC), which aims to improve the performance of physical layer security (PLS). The JSACC system can dynamically switch…

Signal Processing · Electrical Eng. & Systems 2026-05-01 Yanyu Cheng , Haitao Du , Liqin Hu , Wei Yang Bryan Lim , Pan Li

Fluid antennas (FAs) and mobile antennas (MAs) are innovative technologies in wireless communications that are able to proactively improve channel conditions by dynamically adjusting the transmit/receive antenna positions within a given…

Signal Processing · Electrical Eng. & Systems 2024-08-19 Weidong Mei , Xin Wei , Yijie Liu , Boyu Ning , Zhi Chen

As 6G networks demand massive connectivity and stronger interference control, rate-splitting multiple access (RSMA) is attractive because it superposes a common stream and user-private streams and remains effective under imperfect CSIT and…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Jinyuan Liu , Yong Liang Guan , Tuo Wu , Kai-Kit Wong , Bruno Clerckx

Fluid antennas (FAs) is a promising technology for introducing flexibility and reconfigurability in wireless networks. Recent research efforts have highlighted the potential gains that can be achieved in comparison to conventional antennas.…

Signal Processing · Electrical Eng. & Systems 2023-11-03 Constantinos Psomas , Peter J. Smith , Himal A. Suraweera , Ioannis Krikidis

Fluid antenna system (FAS) has recently surfaced as a promising technology for the upcoming sixth generation (6G) wireless networks. Unlike traditional antenna system (TAS) with fixed antenna location, FAS introduces a flexible component in…

Signal Processing · Electrical Eng. & Systems 2024-11-04 Wee Kiat New , Kai-Kit Wong , Hao Xu , Farshad Rostami Ghadi , Ross Murch , Chan-Byoung Chae

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
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