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相关论文: Secure Outage Analysis for RIS-Aided MISO Systems …

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Reconfigurable intelligent surface (RIS) technology is emerging as a promising technique for performance enhancement for next-generation wireless networks. This paper investigates the physical layer security of an RIS-assisted…

信息论 · 计算机科学 2024-03-25 Wei Shi , Jindan Xu , Wei Xu , Chau Yuen , A. Lee Swindlehurst , Chunming Zhao

This correspondence investigates a reconfigurable intelligent surface (RIS)-assisted wireless communication system with security threats. The RIS is deployed to enhance the secrecy outage probability (SOP) of the data sent to a legitimate…

信息论 · 计算机科学 2022-11-30 Wei Shi , Jindan Xu , Wei Xu , Marco Di Renzo , Chunming Zhao

In this paper, the physical layer security (PLS) for a novel reconfigurable intelligent surface (RIS)-assisted non-orthogonal multiple access (NOMA) system in a multi-user scenario is investigated, where we consider the worst case that the…

信号处理 · 电气工程与系统科学 2020-08-03 Liang Yang , Yongjie Yuan

This paper investigates the secrecy outage probability (SOP), the lower bound of SOP, and the probability of non-zero secrecy capacity (PNZ) of reconfigurable intelligent surface (RIS)-assisted systems from an information-theoretic…

信息论 · 计算机科学 2022-04-05 Long Kong , Steven Kisseleff , Symeon Chatzinotas , Björn Ottersten , Melike Erol-Kantarci

In this letter, we analyze the secrecy performance of a reconfigurable intelligent surface (RIS)-aided communication system with spatially random unmanned aerial vehicles (UAVs) acting as eavesdroppers. We consider the scenarios where the…

信息论 · 计算机科学 2022-08-17 Lai Wei , Kezhi Wang , Cunhua Pan , Maged Elkashlan

This letter is concerned with the secrecy performance of reconfigurable intelligent surfaces (RIS)-aided wireless networks in the existence of multiple interferers towards the destination. To be more precise, we analyze three critical…

信息论 · 计算机科学 2023-02-22 Md. Roisul Ajom Ruku , Md. Ibrahim , A. S. M. Badrudduza , Imran Shafique Ansari

This article investigates physical layer security (PLS) in reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output multiple-antenna-eavesdropper (MIMOME) channels. Existing researches ignore the problem that secrecy…

信息论 · 计算机科学 2022-05-03 Yiliang Liu , Zhou Su , Chi Zhang , Hsiao-Hwa Chen

This paper considers the secrecy performance of several schemes for multi-antenna transmission to single-antenna users with full-duplex (FD) capability against randomly distributed single-antenna eavesdroppers (EDs). These schemes and…

信息论 · 计算机科学 2025-07-21 Ishmam Zabir , Ahmed Maksud , Gaojie Chen , Brian M. Sadler , Yingbo Hua

This paper investigates the secrecy performance of a keyhole-aided multi-user communication network in the presence of multiple eavesdroppers. The communication happens through the same keyhole for legitimate users and eavesdroppers. In…

信号处理 · 电气工程与系统科学 2026-01-28 Parwez Alam , Ankit Dubey , Jules M. Moualeu , Telex M. N. Ngatched , Chinmoy Kundu

In this paper, we provide expressions for the secrecy outage probability (SOP) for suboptimal and optimal opportunistic scheduling schemes in a reconfigurable intelligent surface (RIS) aided {single antenna} system with multiple…

信息论 · 计算机科学 2025-04-01 Burhan Wafai , Sarbani Ghose , Chinmoy Kundu , Ankit Dubey , Mark F. Flanagan

In this paper, we propose an opportunistic user scheduling scheme in a multi-user reconfigurable intelligent surface (RIS) aided wireless system to improve secrecy. We derive the secrecy outage probability (SOP) and its asymptotic…

信息论 · 计算机科学 2023-06-06 Burhan Wafai , Sarbani Ghose , Chinmoy Kundu , Ankit Dubey , Mark F. Flanagan

As a revolutionary technology, reconfigurable intelligent surface (RIS) has been deemed as an indispensable part of the 6th generation communications due to its inherent ability to regulate the wireless channels. However, passive RIS (PRIS)…

信息论 · 计算机科学 2024-03-19 Xuehua Li , Yingjie Pei , Xinwei Yue , Yuanwei Liu , Zhiguo Ding

In this paper, we study the secrecy rate and outage probability in Multiple-Input-Single-Output (MISO) Gaussian wiretap channels at the limit of a large number of legitimate users and eavesdroppers. In particular, we analyze the asymptotic…

信息论 · 计算机科学 2016-05-10 Joseph Kampeas , Asaf Cohen , Omer Gurewitz

Reconfigurable intelligent surface (RIS) has been regarded as a promising technology since it has ability to create the favorable channel conditions. This paper investigates the secure communications of RIS assisted non-orthogonal multiple…

信息论 · 计算机科学 2024-03-19 Yingjie Pei , Xinwei Yue , Wenqiang Yi , Yuanwei Liu , Xuehua Li , Zhiguo Ding

We design a new secure transmission scheme in the relay wiretap channel where a source communicates with a destination through a decode-and-forward relay in the presence of spatially random-distributed eavesdroppers. For the sake of…

信息论 · 计算机科学 2016-05-06 Chenxi Liu , Nan Yang , Robert Malaney , Jinhong Yuan

The study examines the secrecy outage probability (SOP) and intercept probability (IP) of a reflecting intelligent surface (RIS)-enabled THz wireless network experiencing $\alpha-\mu$ fading with pointing errors. Specifically, the base…

信息论 · 计算机科学 2025-05-27 Faissal El Bouanani , Elmehdi Illi , Marwa Qaraqe , Osamah Badarneh

Although reconfigurable intelligent surface (RIS) can improve the secrecy communication performance of wireless users, it still faces challenges such as limited coverage and double-fading effect. To address these issues, in this paper, we…

信息论 · 计算机科学 2024-12-10 Yingjie Pei , Wanli Ni , Jin Xu , Xinwei Yue , Xiaofeng Tao , Dusit Niyato

The appearance of sixth-generation networks has resulted in the proposal of several solutions to tackle signal loss. One of these solutions is the utilization of reconfigurable intelligent surfaces (RIS), which can reflect or refract…

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

We pay our attention towards secure and robust communication in the presence of a Reconfigurable Intelligent Surface (RIS)-enhanced mobile eavesdropping attacker in Multiple-Input Multiple-Output (MIMO)wireless networks.Specifically,we…

信息论 · 计算机科学 2025-11-03 Gaoyuan Zhang , Ruisong Si , Boyuan Li , Zijian Li , Baofeng Ji , Chenqi Zhu , Tony Q. S. Quek
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