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We consider the problem of communicating information over a network secretly and reliably in the presence of a hidden adversary who can eavesdrop and inject malicious errors. We provide polynomial-time, rate-optimal distributed network…

网络与互联网体系结构 · 计算机科学 2010-04-27 Hongyi Yao , Danilo Silva , Sidharth Jaggi , Michael Langberg

This paper studies the secrecy rate maximization problem of a secure wireless communication system, in the presence of multiple eavesdroppers. The security of the communication link is enhanced through cooperative jamming, with the help of…

The goal of this paper is to address the physical layer (PHY) security problem for multi-user multi-input single-output (MU-MISO) Internet of Things (IoT) systems in the presence of passive eavesdroppers (Eves). To this end, we propose an…

信号处理 · 电气工程与系统科学 2024-07-22 Bin Qiu , Wenchi Cheng , Wei Zhang

Physical layer deception (PLD) is a novel security mechanism that combines physical layer security (PLS) with deception technologies to actively defend against eavesdroppers. In this paper, we establish a novel semantic model for PLD that…

信息论 · 计算机科学 2024-10-08 Bin Han , Yao Zhu , Anke Schmeink , Giuseppe Caire , Hans D. Schotten

In this paper, we investigate the physical-layer security for a spatial modulation (SM) based indoor visible light communication (VLC) system, which includes multiple transmitters, a legitimate receiver, and a passive eavesdropper (Eve). At…

信息论 · 计算机科学 2019-06-25 Jin-Yuan Wang , Hong Ge , Min Lin , Jun-Bo Wang , Jianxin Dai , Mohamed-Slim Alouini

This paper investigates simultaneous transmission and reflection reconfigurable intelligent surface (STAR-RIS) aided physical layer security (PLS) in multiple-input multiple-output (MIMO) systems, where the base station (BS) transmits…

信息论 · 计算机科学 2024-04-02 Xiequn Dong , Zesong Fei , Xinyi Wang , Meng Hua , Qingqing Wu

This letter investigates the physical layer security in a wireless cooperative network where communication is assisted by a full-duplex (FD) untrusted relay in the presence of multiple external eavesdroppers. A cluster-based colluding…

信息论 · 计算机科学 2018-03-08 Ahmed El Shafie , Asma Mabrouk , Kamel Tourki , Naofal Al-Dhahir , Mazen O. Hasna

Consider an MISO channel overheard by multiple eavesdroppers. Our goal is to design an artificial noise (AN)-aided transmit strategy, such that the achievable secrecy rate is maximized subject to the sum power constraint. AN-aided secure…

信息论 · 计算机科学 2015-06-15 Qiang Li , Wing-Kin Ma

Physical-layer security (PLS) has the potential to strongly enhance the overall system security as an alternative to or in combination with conventional cryptographic primitives usually implemented at higher network layers. Secret-key…

信号处理 · 电气工程与系统科学 2020-06-23 François Rottenberg , Trung-Hien Nguyen , Jean-Michel Dricot , François Horlin , Jérôme Louveaux

Intelligent Reflecting Surfaces (IRS) enhance spectral efficiency by adjusting reflection phase shifts, while Non-Orthogonal Multiple Access (NOMA) increases system capacity. Consequently, IRS-assisted NOMA communications have garnered…

密码学与安全 · 计算机科学 2025-06-09 Linlin Liang , Zongkai Tian , Haiyan Huang , Xiaoyan Li , Zhisheng Yin , Dehua Zhang , Nina Zhang , Wenchao Zhai

Non-orthogonal multiple access (NOMA) and ambient backscatter communication have been envisioned as two promising technologies for the Internet-of-things due to their high spectral efficiency and energy efficiency. Motivated by this fact,…

信息论 · 计算机科学 2020-08-14 Xingwang Li , Mengle Zhao , Ming Zeng , Shahid Mumtaz , Varun G Menon , Zhiguo Ding , Octavia A. Dobre

With the increasing importance of distributed scientific workflows, there is a critical need to ensure Quality of Service (QoS) constraints, such as minimizing time or limiting execution to resource subsets. However, the unpredictable…

分布式、并行与集群计算 · 计算机科学 2026-03-02 Md Hasanur Rashid , Jesun Firoz , Nathan R. Tallent , Luanzheng Guo , Meng Tang , Dong Dai

In this letter, the use of intelligent reflecting surface (IRS) to enhance the physical layer security of downlink wireless communication is investigated. Assuming a single-antenna legitimate user and a multi-antenna eavesdropper, we…

信号处理 · 电气工程与系统科学 2020-12-07 Keming Feng , Xiao Li , Yu Han , Shi Jin , Yijian Chen

This paper investigates the security enhancement of an intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) network, where a distributed IRS enabled NOMA transmission framework is proposed to serve users…

信息论 · 计算机科学 2021-04-16 Zheng Zhang , Jian Chen , Qingqing Wu , Yuanwei Liu , Lu Lv , Xunqi Su

The ability to exchange secret information is critical to many commercial, governmental, and military networks. The intrinsically secure communications graph (iS-graph) is a random graph which describes the connections that can be securely…

信息论 · 计算机科学 2016-11-17 Pedro C. Pinto , Joao Barros , Moe Z. Win

In this paper, the fading broadcast channel with confidential messages is studied in the presence of statistical quality of service (QoS) constraints in the form of limitations on the buffer length. We employ the effective capacity…

信息论 · 计算机科学 2010-04-07 Deli Qiao , Mustafa Cenk Gursoy , Senem Velipasalar

Conventional wireless security assumes wireless communications are rightful and aims to protect them against malicious eavesdropping and jamming attacks. However, emerging infrastructure-free mobile communication networks are likely to be…

信息论 · 计算机科学 2016-12-26 Jie Xu , Lingjie Duan , Rui Zhang

In this paper, intelligent reflecting surface (IRS) is proposed to enhance the physical layer security in the Rician fading channel where the angular direction of the eavesdropper is aligned with a legitimate user. In this scenario, we…

信号处理 · 电气工程与系统科学 2021-06-29 Gui Zhou , Cunhua Pan , Hong Ren , Kezhi Wang , Kok Keong Chai , Kai-Kit Wong

As next-generation wireless networks emerge, security is becoming a critical performance metric. However, conventional multiple-input-multiple-output (MIMO) systems often suffer from severe path loss and are vulnerable to nearby…

Terahertz (THz) communications have naturally promising physical layer security (PLS) performance in the angular domain due to the high directivity feature brought by the ultra-massive multiple-antenna techniques. However, traditional…

信息论 · 计算机科学 2022-07-26 Weijun Gao , Xuyang Lu , Chong Han , Zhi Chen
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