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相关论文: Physical Layer Security of Large Reflecting Surfac…

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Physical layer security in reconfigurable intelligent surface (RIS)-assisted wireless systems can be improved through coordinated control of signal transmission and RIS configuration. In this work, the base station simultaneously transmits…

信号处理 · 电气工程与系统科学 2026-05-27 Mustafa Furkan Beker , Ahmet Muaz Aktas , Sefa Kayraklik , Sultangali Arzykulov

In this paper we focus on phase dependent loss (PDL), an important aspect of reconfigurable intelligent surfaces (RIS) where the signals reflected from the RIS elements are attenuated by varying amounts depending on the phase rotation…

信息论 · 计算机科学 2022-09-14 Ikram Singh , Peter J. Smith , Pawel A. Dmochowski

In this paper, we study the problem of physical layer security in a large-scale multiple-input multiple-output (LS-MIMO) relaying system. The advantage of LS-MIMO relaying systems is exploited to enhance both wireless security and spectral…

信息论 · 计算机科学 2014-01-15 Xiaoming Chen , Lei Lei , Huazi Zhang , Chau Yuen

The paper considers physical layer security (PLS) of an untrusted unmanned aerial vehicle (UAV) network, where a multitude of UAVs communicate in full-duplex (FD) mode. A source-based jamming (SBJ) scheme is exploited for secure…

信号处理 · 电气工程与系统科学 2024-07-17 Theshani Nuradha , Kasun T. Hemachandra , Tharaka Samarasinghe , Saman Atapattu

Intelligent reflecting surface (IRS) has been widely studied in recent years, it has emerged as a new technology which can reflect the incident signal by intelligently configuring the reflection elements, thus changing the signal…

信息论 · 计算机科学 2024-05-07 Jintao Luo , Sixing Yin

In this letter, we investigate enhancing the physical layer security (PLS) for the dual-function radar-communication (DFRC) system with hybrid beamforming (HBF) architecture, where the base station (BS) achieves downlink communication and…

信号处理 · 电气工程与系统科学 2024-09-04 Lingyun Xu , Bowen Wang , Huiyong Li , Ziyang Cheng

Data at the physical layer transmits via media such as copper cable, fiber optic, or wireless. Physical attack vectors exist that challenge data confidentiality and availability. Protocols and encryption standards help obfuscate but often…

密码学与安全 · 计算机科学 2026-01-27 Alon Hillel-Tuch

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

This letter investigates the ergodic secrecy rate (ESR) of a reconfigurable intelligent surface (RIS)-assisted communication system in the presence of discrete phase shifts and multiple eavesdroppers (Eves). In particular, a closed-form…

信息论 · 计算机科学 2020-11-16 Peng Xu , Gaojie Chen , Gaofeng Pan , Marco Di Renzo

A statistical characterization of the fundamental performance bounds of an intelligent reflective surface (IRS) intended for aiding wireless communications is presented. To this end, the outage probability, average symbol error probability,…

信号处理 · 电气工程与系统科学 2020-02-14 Dhanushka Kudathanthirige , Dulaj Gunasinghe , Gayan Amarasuriya

We analyse the performance of a communication link assisted by an intelligent reflective surface (IRS) positioned in the far field of both the source and the destination. A direct link between the transmitting and receiving devices is…

信号处理 · 电气工程与系统科学 2020-08-25 Tianxiong Wang , Gaojie Chen , Justin P. Coon , Mihai-Alin Badiu

Most of the well-known fading distributions, if not all of them, could be encompassed by Fox's $H$-function fading. Consequently, we investigate the exact and asymptotic behavior of physical layer security (PLS) over Fox's $H$-function…

信息论 · 计算机科学 2019-05-10 Long Kong , Georges Kaddoum , Hatim Chergui

Physical layer security has recently been regarded as an emerging technique to complement and improve the communication security in future wireless networks. The current research and development in physical layer security is often based on…

信息论 · 计算机科学 2013-10-02 Biao He , Xiangyun Zhou

The physical layer authentication (PLA) is a promising technology which can enhance the access security of a massive number of devices in the near future. In this paper, we propose a reconfigurable intelligent surface (RIS)-assisted PLA…

密码学与安全 · 计算机科学 2024-03-08 Ning Gao , Shuchen Meng , Cen Li , Shengguo Meng , Wankai Tang , Shi Jin , Michail Matthaiou

We consider a cooperative wireless network in the presence of one of more eavesdroppers, and exploit node cooperation for achieving physical (PHY) layer based security. Two different cooperation schemes are considered. In the first scheme,…

信息论 · 计算机科学 2015-05-14 Jiangyuan Li , Athina P. Petropulu , Steven Weber

In this letter, we propose to exploit an intelligent reflecting surface (IRS) to secure multiuser two-way communications. Specifically, two end users simultaneously transmit their signals, where the signal of one user is exploited as…

信息论 · 计算机科学 2020-11-03 Lu Lv , Qingqing Wu , Zan Li , Naofal Al-Dhahir , Jian Chen

This paper provides a comprehensive review of the domain of physical layer security in multiuser wireless networks. The essential premise of physical-layer security is to enable the exchange of confidential messages over a wireless medium…

信息论 · 计算机科学 2016-11-18 Amitav Mukherjee , S. A. A. Fakoorian , Jing Huang , A. Lee Swindlehurst

In this paper, we study the receiver performance with physical layer security in a Poisson field of interferers. We compare the performance in two deployment scenarios: (i) the receiver is located at the corner of a quadrant, (ii) the…

信息论 · 计算机科学 2020-09-01 Konstantinos Koufos , Carl P. Dettmann

Integrating visible light communication (VLC) and radio-frequency (RF) networks can improve the performance of communication systems in terms of coverage and data rates. However, adding RF links to VLC networks weakens the secrecy…

信息论 · 计算机科学 2020-08-26 Mohanad Obeed , Anas Chaaban , Anas M. Salhab , Salam A. Zummo , Mohamed-Slim Alouini

This paper focuses on an intelligent reflecting surface (IRS)-assisted lossy communication system with correlated Rayleigh fading. We analyze the correlated channel model and derive the outage probability of the system. Then, we design a…

网络与互联网体系结构 · 计算机科学 2024-08-14 Guanchang Li , Wensheng Lin , Lixin Li , Yixuan He , Fucheng Yang , Zhu Han