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相关论文: Physical Layer Security in a SISO Communication us…

200 篇论文

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

We propose a novel attack that compromises the physical layer security of downlink (DL) communications in wireless systems. This technique is based on the transmission of a slowly-varying random symbol by the eavesdropper during its uplink…

信息论 · 计算机科学 2024-10-30 Gonzalo J. Anaya-Lopez , Gerardo Gomez , F. Javier Lopez-Martinez

To keep the hardware costs of future communications systems manageable, the use of low-cost hardware components is desirable. This is particularly true for the emerging massive multiple-input multiple-output (MIMO) systems which equip base…

信息论 · 计算机科学 2016-08-11 Jun Zhu , Derrick Wing Kwan Ng , Ning Wang , Robert Schober , Vijay K. Bhargava

This work presents a novel technique for joint secured and robust transmission of orthogonal frequency division multiplexing (OFDM) based communication systems. The proposed system is implemented by developing a new OFDM symbol structure…

信息论 · 计算机科学 2016-11-15 Al-Dweik , M. Mirahmadi , A. Shami , Z. Ding , R. Hamila

In this letter, improving the security of an intelligent reflecting surface (IRS) assisted multiple-input single-output (MISO) communication system is studied. Different from the ideal assumption in existing literatures that full…

信息论 · 计算机科学 2020-08-26 Hui-Ming Wang , Jiale Bai , Limeng Dong

Orthogonal blinding based schemes for wireless physical layer security aim to achieve secure communication by injecting noise into channels orthogonal to the main channel and corrupting the eavesdropper's signal reception. These methods,…

密码学与安全 · 计算机科学 2020-02-19 Yanjun Pan , Yao Zheng , Ming Li

Securing information in future mobile networks is challenging, especially for devices with limited computational resources. Physical layer security (PLS) offers a viable solution by leveraging wireless channel randomness. When full secrecy…

This work considers the joint design of training and data transmission in physical-layer secret communication systems, and examines the role of artificial noise (AN) in both of these phases. In particular, AN in the training phase is used…

信息论 · 计算机科学 2015-11-06 Ta-Yuan Liu , Shih-Chun Lin , Y. -W. Peter Hong

In this paper, we investigate a large intelligent surface-enhanced (LIS-enhanced) system, where a LIS is deployed to assist secure transmission. Our design aims to maximize the achievable secrecy rates in different channel models, i.e.,…

信息论 · 计算机科学 2020-10-28 Biqian Feng , Yongpeng Wu , Mengfan Zheng , Xiang-Gen Xia , Yongjian Wang , Chengshan Xiao

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

In this paper, we examine the physical-layer security for a spectrum sharing system consisting of multiple source-destination pairs, which dynamically access their shared spectrum for data transmissions in the presence of an eavesdropper.…

信息论 · 计算机科学 2016-12-23 Yulong Zou

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

This paper investigates physical layer security for a large-scale WSN with random multiple access, where each fusion center in the network randomly schedules a number of sensors to upload their sensed data subject to the overhearing of…

信息论 · 计算机科学 2022-04-14 Tong-Xing Zheng , Xin Chen , Chao Wang , Kai-Kit Wong , Jinhong Yuan

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 paper, we address the problem of energy-efficient power allocation for secure communications in an amplify-and-forward (AF) large-scale multiple-input multiple-output (LS-MIMO) relaying system in presence of a passive eavesdropper.…

信息论 · 计算机科学 2014-08-26 Jian Chen , Xiaoming Chen , Tao Liu , Lei Lei

This paper studies an extremely large-scale reconfigurable intelligent surface (XL-RIS)-aided near-field physical layer security (PLS) communication system, aiming to maximize the secrecy rate by jointly optimizing precoding vector at the…

信息论 · 计算机科学 2026-03-09 Xiaotong Xu , Qian Zhang , Yunxiao Li , Xuejun Cheng , Meihui Liu , Ju Liu

This paper investigates the physical layer security (PLS) of a broadband in-home power line communication (PLC) system when a malicious wireless device tries to eavesdrop private messages exchanged between two PLC devices. Such a security…

信号处理 · 电气工程与系统科学 2020-12-30 Ândrei Camponogara , H. Vincent Poor , Moisés V. Ribeiro

This paper focuses on secure backscatter transmission in the presence of a passive multi-antenna eavesdropper through a symbiotic radio (SR) network. Specifically, a single-antenna backscatter device (BD) aims to transmit confidential…

信息论 · 计算机科学 2023-10-31 Mingcheng Nie , Deepak Mishra , Azzam Al-nahari , Jinhong Yuan , Riku Jantti

This paper investigates physical layer security (PLS) in the intelligent reflecting surface (IRS)-assisted multiple-user uplink channel. Since the instantaneous eavesdropper's channel state information (CSI) is unavailable, the secrecy rate…

信息论 · 计算机科学 2022-05-24 Xiangrui Cheng , Yiliang Liu , Zhou Su , Wei Wang

In this paper, we propose a secure computation offloading scheme (SCOS) in intelligently connected vehicle (ICV) networks, aiming to minimize overall latency of computing via offloading part of computational tasks to nearby servers in small…

信号处理 · 电气工程与系统科学 2022-03-28 Yiliang Liu , Wei Wang , Hsiao-Hwa Chen , Feng Lyu , Liangmin Wang , Weixiao Meng , Xuemin , Shen