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相关论文: Unlocking FAS-RIS Security Analysis with Block-Cor…

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In this correspondence, we analyze the performance of a reconfigurable intelligent surface (RIS)-aided communication system that involves a fluid antenna system (FAS)-enabled receiver. By applying the central limit theorem (CLT), we derive…

信号处理 · 电气工程与系统科学 2024-08-27 Xiazhi Lai , Junteng Yao , Kangda Zhi , Tuo Wu , David Morales-Jimenez , Kai-Kit Wong

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…

This letter investigates the secrecy performance of wireless communication systems assisted by a fluid reconfigurable intelligent surface (FRIS). Unlike conventional reconfigurable intelligent surfaces (RISs) with fixed geometries, FRISs…

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…

信息论 · 计算机科学 2024-02-27 Farshad Rostami Ghadi , Kai-Kit Wong , Wee Kiat New , Hao Xu , Ross Murch , Yangyang Zhang

This correspondence investigates the novel fluid antenna system (FAS) technology, combining with reconfigurable intelligent surface (RIS) for wireless communications, where a base station (BS) communicates with a FAS-enabled user with the…

信号处理 · 电气工程与系统科学 2024-08-27 Junteng Yao , Jianchao Zheng , Tuo Wu , Ming Jin , Chau Yuen , Kai-Kit Wong , Fumiyuki Adachi

This paper presents a comprehensive physical layer security (PLS) framework for fluid antenna system (FAS)-aided short-packet communications under the variable block-correlation model (VBCM). We consider a downlink wiretap scenario in which…

信号处理 · 电气工程与系统科学 2026-03-19 Jianchao Zheng , Tuo Wu , Kai-Kit Wong , Baiyang Liu , Runyu Pan , Maged Elkashlan , Kin-Fai Tong , Sumei Sun

In this paper, we investigate reconfigurable intelligent surface (RIS)-assisted communication systems which involve a fixed-antenna base station (BS) and a mobile user (MU) that is equipped with fluid antenna system (FAS). Specifically, the…

信号处理 · 电气工程与系统科学 2024-07-12 Junteng Yao , Xiazhi Lai , Kangda Zhi , Tuo Wu , Ming Jin , Cunhua Pan , Maged Elkashlan , Chau Yuen , Kai-Kit Wong

Powered by position-flexible antennas, the emerging fluid antenna system (FAS) technology is postulated as a key enabler for massive connectivity in 6G networks. The free movement of antenna elements enables the opportunistic minimization…

信号处理 · 电气工程与系统科学 2024-07-24 Pablo Ramirez-Espinosa , David Morales-Jimenez , Kai-Kit Wong

This paper investigates the impact of the recently proposed concept of fluid reconfigurable intelligent surfaces (FRIS) on covert communications. Specifically, we consider a communication scenario where a legitimate transmitter aims to…

Backscatter communication (BC) has emerged as a pivotal wireless communication paradigm owing to its low-power and cost-effective characteristics. However, BC faces various challenges from its low signal detection rate to its security…

信息论 · 计算机科学 2024-10-04 Masoud Kaveh , Farshad Rostami Ghadi , Zhao Li , Zheng Yan , Riku Jantti

Fluid antenna systems (FAS) are emerging as a transformative enabler for sixth-generation (6G) wireless communications, providing unprecedented spatial diversity through dynamic reconfiguration of antenna ports. However, the inherent…

In this paper, we pave the way to six-generation (6G) by investigating the outage probability (OP) of fluid antenna system (FAS)-active reconfigurable intelligent surface (ARIS) communication systems. We consider a FAS-ARIS setup consisting…

信号处理 · 电气工程与系统科学 2024-11-05 Jianchao Zheng , Xiazhi Lai , Junteng Yao , Jie Tang , Yijin Pan , Tuo Wu , Chau Yuen

The concept of fluid reconfigurable intelligent surface (FRIS) upgrades the conventional reconfigurable intelligent surface (RIS) paradigm by empowering its reflecting elements with positioning reconfigurability. This letter aims to…

信息论 · 计算机科学 2025-11-21 Xusheng Zhu , Kai-Kit Wong , Boyi Tang , Wen Chen , Chan-Byoung Chae

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

\textcolor{blue}{In} this paper, we investigate the performance of physical layer security (PLS) over reconfigurable intelligent surfaces (RIS)-aided wireless communication systems, where all fading channels are modeled with Fisher-Snedecor…

信息论 · 计算机科学 2023-04-14 Farshad Rostami Ghadi , Wei-Ping Zhu , Diego Martín

This letter considers the secure communication in a reconfigurable intelligent surface (RIS) aided full duplex (FD) system. An FD base station (BS) serves an uplink (UL) user and a downlink (DL) user simultaneously over the same…

信号处理 · 电气工程与系统科学 2022-09-27 Pengxin Guan , Yiru Wang , Yuping Zhao

Massive connectivity with ultra-low latency and high reliability necessitates fundamental advances in future communication networks operating under finite-blocklength (FBL) transmission. Fluid antenna systems (FAS) have emerged as a…

Reconfigurable intelligent surface (RIS)-aided wireless communications have drawn significant attention recently. We study the physical layer security of the downlink RIS-aided transmission framework for randomly located users in the…

信息论 · 计算机科学 2021-04-09 Jiayi Zhang , Hongyang Du , Qiang Sun , Bo Ai , Derrick Wing Kwan Ng

Advancements toward 6G have intensified demands for ultra-reliable low-latency communication, positioning shortpacket communications as a critical technology for autonomous aerial vehicle (AAV) networks. However, the open broadcast nature…

系统与控制 · 电气工程与系统科学 2025-09-19 Huiling Liu , Junshan Luo , Shilian Wang , Fanggang Wang , Theodoros A. Tsiftsis , Symeon Chatzinotas

This paper investigates the performance of physical layer security (PLS) in fluid antenna-aided communication systems under arbitrary correlated fading channels. In particular, it is considered that a single fixed-antenna transmitter aims…

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