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Related papers: Physical-Layer Security: Does it Work in a Real En…

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This paper is a first study on the topic of achieving physical layer security by exploiting non-systematic channel codes. The chance of implementing transmission security at the physical layer is known since many years in information…

Information Theory · Computer Science 2010-04-27 Marco Baldi , Marco Bianchi , Franco Chiaraluce

In this paper, we investigate the application of Reed-Muller (RM) codes for Physical-layer security in a real world wiretap channel scenario. Utilizing software-defined radios (SDRs) in a real indoor environment, we implement a coset coding…

Information Theory · Computer Science 2025-01-10 Md Munibun Billah , Tyler Sweat , Willie K. Harrison

Physical layer security is a field of study that continues to gain importance over time. It encompasses a range of algorithms applicable to various aspects of communication systems. While research in the physical layer has predominantly…

Signal Processing · Electrical Eng. & Systems 2023-07-17 Pol Henarejos , Ana I. Pérez-Neira

This paper studies physical-layer secure transmissions from a transmitter to a legitimate receiver against an eavesdropper over slow fading channels, taking into account the impact of finite blocklength secrecy coding. A comprehensive…

Information Theory · Computer Science 2020-02-11 Tong-Xing Zheng , Hui-Ming Wang , Derrick Wing Kwan Ng , Jinhong Yuan

For physical-layer authentication, the authentication tags are often sent concurrently with messages without much bandwidth expansion. In this paper, we present a channel coding approach for physical-layer authentication. The generation of…

Information Theory · Computer Science 2015-02-27 Xiaofu Wu , Zhen Yang

The physical layer describes how communication signals are encoded and transmitted across a channel. Physical security often requires either restricting access to the channel or performing periodic manual inspections. In this tutorial, we…

Quantum Physics · Physics 2014-07-18 Travis S. Humble

In this paper we provide secrecy metrics applicable to physical-layer coding techniques with finite blocklengths over Gaussian and fading wiretap channel models. Our metrics go beyond some of the known practical secrecy measures, such as…

Cryptography and Security · Computer Science 2015-09-24 Willie K. Harrison , Dinis Sarmento , João P. Vilela , Marco Gomes

The wireless medium contains domain-specific information that can be used to complement and enhance traditional security mechanisms. In this paper we propose ways to exploit the fact that, in a typically rich scattering environment, the…

Cryptography and Security · Computer Science 2009-07-29 Liang Xiao , Larry Greenstein , Narayan Mandayam , Wade Trappe

The wireless medium contains domain-specific information that can be used to complement and enhance traditional security mechanisms. In this paper we propose ways to exploit the spatial variability of the radio channel response in a rich…

Cryptography and Security · Computer Science 2016-11-18 Liang Xiao , Larry Greenstein , Narayan Mandayam , Wade Trappe

We explore the additional security obtained by noise at the physical layer in a wiretap channel model setting. Security enhancements at the physical layer have been proposed recently using a secrecy metric based on the degrees of freedom…

Cryptography and Security · Computer Science 2015-09-24 W. K. Harrison , J. Almeida , S. W. McLaughlin , J. Barros

This letter proposes a new physical layer authentication mechanism operating at the physical layer of a communication system where the receiver has partial control of the channel conditions (e.g., using an intelligent reflecting surface).…

Information Theory · Computer Science 2025-01-30 Laura Crosara , Mahtab Mirmohseni , Stefano Tomasin

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…

Information Theory · Computer Science 2016-11-18 Amitav Mukherjee , S. A. A. Fakoorian , Jing Huang , A. Lee Swindlehurst

Providing secure communications over the physical layer with the objective of achieving perfect secrecy without requiring a secret key has been receiving growing attention within the past decade. The vast majority of the existing studies in…

Information Theory · Computer Science 2018-08-10 Sina Rezaei Aghdam , Alireza Nooraiepour , Tolga M. Duman

Due to the malicious attacks in wireless networks, physical layer security has attracted increasing concerns from both academia and industry. The research on physical layer security mainly focuses either on the secrecy capacity/achievable…

Information Theory · Computer Science 2019-01-24 Dong Wang , Bo Bai , Wenbo Zhao , Zhu Han

Physical layer security has been recently recognized as a promising new design paradigm to provide security in wireless networks. In addition to the existing conventional cryptographic methods, physical layer security exploits the dynamics…

When two or more users in a wireless network transmit simultaneously, their electromagnetic signals are linearly superimposed on the channel. As a result, a receiver that is interested in one of these signals sees the others as unwanted…

Information Theory · Computer Science 2011-03-01 Bobak Nazer , Michael Gastpar

Secure communications is becoming increasingly relevant in the development of space technology. Well established cryptographic technology is already in place and is expected to continue to be so. On the other hand, information theoretical…

Information Theory · Computer Science 2018-05-22 Angeles Vazquez-Castro , Masahito Hayashi

Physical layer security is an emerging technique to improve the wireless communication security, which is widely regarded as a complement to cryptographic technologies. To design physical layer security techniques under practical scenarios,…

Information Theory · Computer Science 2013-07-22 Biao He , Xiangyun Zhou , Thushara D. Abhayapala

In this paper, we investigate the performance of physical-layer security of a pinching-antenna system on a lossless dielectric waveguide. In particular, the system uses a single pinching-antenna to convey confidential information from a…

Information Theory · Computer Science 2025-03-25 Osamah S. Badarneh , Hugerles S. Silva , Yazan H. Al Badarneh

An alternative or supplementary approach named as physical layer security has been proposed to afford an extra security layer on top of the conventional cryptography technique. In this paper, an overview of secrecy performance…

Information Theory · Computer Science 2020-12-15 Long Kong , Yun Ai , Lei Lei , Georges Kaddoum , Symeon Chatzinotas , Björn Ottersten
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