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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

Current security techniques can be implemented either by requiring a secret key exchange or depending on assumptions about the communication channels. In this paper, we show that, by using a physical layer technique known as artificial…

Information Theory · Computer Science 2013-11-05 Shuiyin Liu , Yi Hong , Emanuele Viterbo

Recently, physical layer security based approaches have drawn considerable attentions and are envisaged to provide secure communications in the wireless networks. However, most existing literatures only focus on the physical layer. Thus,…

Information Theory · Computer Science 2013-08-19 Jun Wang , Pengfei Huang , Xudong Wang

Physical layer security (PLS) is a promising technology to secure wireless communications by exploiting the physical properties of the wireless channel. However, the passive nature of PLS creates a significant imbalance between the effort…

Cryptography and Security · Computer Science 2025-01-28 Wenwen Chen , Bin Han , Yao Zhu , Anke Schmeink , Giuseppe Caire , Hans D. Schotten

In this paper, we study the problem of physical layer security in large-scale multiple input multiple output (LS-MIMO) systems. The large number of antenna elements in LS-MIMO system is exploited to enhance transmission security and improve…

Information Theory · Computer Science 2014-07-29 Xiaoming Chen , Chau Yuen , Zhaoyang Zhang

Leakage of information in power line communication networks is a threat to privacy and security both in smart grids and in-home applications. A way to enhance security is to encode the transmitted information with a secret key. Relying on…

Cryptography and Security · Computer Science 2020-04-14 Federico Passerini , Andrea M. Tonello

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

In this work, we focus on the classical optical channel having Poissonian statistical behavior and propose a novel secrecy coding-based physical layer protocol. Our protocol is different but complementary to both (computationally secure)…

Cryptography and Security · Computer Science 2022-04-26 Masahito Hayashi , Angeles Vazquez-Castro

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

Next-generation systems aim to increase both the speed and responsiveness of wireless communications, while supporting compelling applications such as edge and cloud computing, remote-Health, vehicle-to-infrastructure communications, etc.…

Signal Processing · Electrical Eng. & Systems 2021-09-21 Zhongxiang Wei , Christos Masouros , H. Vincent Poor , Athina P. Petropulu , Lajos Hanzo

Exchange of crucial and confidential information leads to the unprecedented attention on the security problem in wireless networks. Though the security has been studied in a number of works, the joint optimization of the physical layer…

Information Theory · Computer Science 2018-02-02 Yi Zhong , Xiaohu Ge , Tao Han , Qiang Li , Jing Zhang

The Design of new wireless communication systems for industrial applications, e.g. control applications, is currently a hot research topic, as they deal as a key enabler for more flexible solutions at a lower cost compared to systems based…

Networking and Internet Architecture · Computer Science 2018-07-31 Andreas Weinand , Michael Karrenbauer , Hans D. Schotten

A large spectrum of technologies are collectively dubbed as physical layer security (PLS), ranging from wiretap coding, secret key generation (SKG), authentication using physical unclonable functions (PUFs), localization / RF…

Cryptography and Security · Computer Science 2022-10-25 Miroslav Mitev , Thuy M. Pham , Arsenia Chorti , Andre Noll Barreto , Gerhard Fettweis

This paper exploits the potential of physical layer security in massive multiple-input multiple-output (MIMO) aided two-tier heterogeneous networks (HetNets). We focus on the downlink secure transmission in the presence of multiple…

Information Theory · Computer Science 2015-09-10 Yansha Deng , Lifeng Wang , Kai-Kit Wong , Arumugam Nallanathan , Maged Elkashlan

Unmanned aerial vehicle (UAV) wireless communications have experienced an upsurge of interest in both military and civilian applications, due to its high mobility, low cost, on-demand deployment, and inherent line-of-sight (LoS)…

Information Theory · Computer Science 2019-09-17 Xiaofang Sun , Derrick Wing Kwan Ng , Zhiguo Ding , Yanqing Xu , Zhangdui Zhong

The design of wireless systems for Mission Critical Machine Type Communication (MC-MTC) is currently a hot research topic. Wireless systems are considered to provide numerous advantages over wired systems in industrial applications for…

Networking and Internet Architecture · Computer Science 2017-11-13 Andreas Weinand , Abhijit Ambekar , Michael Karrenbauer , Hans D. Schotten

Due to the broadcast nature of wireless communications, physical-layer security has attracted increasing concerns from both academia and industry. Artificial noise (AN), as one of the promising physical-layer security techniques, is capable…

Cryptography and Security · Computer Science 2025-09-17 Hong Niu , Yue Xiao , Xia Lei , Jiangong Chen , Zhihan Xiao , Mao Li , Chau Yuen

The Low-Altitude Economy Networking (LAENet) is emerging as a transformative paradigm that enables an integrated and sophisticated communication infrastructure to support aerial vehicles in carrying out a wide range of economic activities…

Cryptography and Security · Computer Science 2025-04-15 Lingyi Cai , Jiacheng Wang , Ruichen Zhang , Yu Zhang , Tao Jiang , Dusit Niyato , Xianbin Wang , Abbas Jamalipour , Xuemin Shen

Massive Multiple-Input Multiple-Output (MIMO) has become a crucial enabling technology for 5G and beyond, providing previously unheard-of increases in energy and spectrum efficiency. It is still difficult to guarantee secure communication…

Signal Processing · Electrical Eng. & Systems 2026-01-22 Nipun Agarwal

Physical layer security offers an efficient means to decrease the risk of confidential information leakage through wiretap links. In this paper, we address the physical-layer security in a cooperative wireless subnetwork that includes a…

Networking and Internet Architecture · Computer Science 2019-10-21 Saeed Vahidian , Sajad Hatamnia , Benoit Champagne