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Related papers: Physical Layer Encryption using a Vernam Cipher

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Physical layer security (PLS) is an important technology in wireless communication systems to safeguard communication privacy and security between transmitters and legitimate users. The integration of large-scale antenna arrays (LSAA) and…

Signal Processing · Electrical Eng. & Systems 2025-11-20 Weijie Xiong , Jingran Lin , Zhiling Xiao , Qiang Li

This paper investigates noncoherent detection in a two-way relay channel operated with physical layer network coding (PNC), assuming FSK modulation and short-packet transmissions. For noncoherent detection, the detector has access to the…

Information Theory · Computer Science 2018-03-16 Zhaorui Wang , Soung Chang Liew , Lu Lu

Physical-layer network coding (PNC) is a promising approach for wireless networks. It allows nodes to transmit simultaneously. Due to the difficulties of scheduling simultaneous transmissions, existing works on PNC are based on simplified…

Networking and Internet Architecture · Computer Science 2013-05-15 Shiqiang Wang , Qingyang Song , Xingwei Wang , Abbas Jamalipour

High transmission rate and secure communication have been identified as the key targets that need to be effectively addressed by fifth generation (5G) wireless systems. In this context, the concept of physical-layer security becomes…

Information Theory · Computer Science 2018-02-13 Weidong Mei , Zhi Chen , Jun Fang , Shaoqian Li

A revised version will be uploaded later. In this Letter, it is shown that the one-time-pad key in the Vernam cipher can be repeatedly used with unconditional security using quantum media. The security proof is given with two explicit…

Quantum Physics · Physics 2011-11-10 Kai Wen , Fu-Guo Deng , Gui Lu Long

This work shows how a secure Internet for users A and B can be implemented through a fast key distribution system that uses physical noise to encrypt information transmitted in deterministic form. Starting from a shared secret random…

Quantum Physics · Physics 2007-05-23 Geraldo A. Barbosa

Privacy concerns in healthcare have gained interest recently via GDPR, with a rising need for privacy-preserving data collection methods that keep personal information hidden in otherwise usable data. Sometimes data needs to be encrypted…

Cryptography and Security · Computer Science 2021-04-13 Mikko Impiö , Mehmet Yamaç , Jenni Raitoharju

This article discusses opportunities and challenges of physical layer security integration in massive multiple-input multiple-output (MaMIMO) systems. Specifically, we first show that MaMIMO itself is robust against passive eavesdropping…

Information Theory · Computer Science 2016-11-18 Dzevdan Kapetanovic , Gan Zheng , Fredrik Rusek

The existing research on physical layer security commonly assumes the number of eavesdropper antennas to be known. Although this assumption allows one to easily compute the achievable secrecy rate, it can hardly be realized in practice. In…

Information Theory · Computer Science 2016-11-17 Biao He , Xiangyun Zhou , Thushara D. Abhayapala

This paper explores a new secure wireless communication paradigm where the physical layer security technology is applied to counteract both the detection and eavesdropping attacks, such that the critical covertness and secrecy properties of…

Information Theory · Computer Science 2021-03-11 Huihui Wu , Yuanyu Zhang , Yulong Shen , Xiaohong Jiang

In this paper, we study a new problem arising from the emerging MPEG standardization effort Video Coding for Machine (VCM), which aims to bridge the gap between visual feature compression and classical video coding. VCM is committed to…

Image and Video Processing · Electrical Eng. & Systems 2020-01-10 Sifeng Xia , Kunchangtai Liang , Wenhan Yang , Ling-Yu Duan , Jiaying Liu

The environmental and target-related information inherently carried in wireless signals, such as channel state information (CSI), has brought increasing attention to integrated sensing and communication (ISAC). However, it also raises…

Signal Processing · Electrical Eng. & Systems 2026-01-12 Yinghui He , Long Fan , Lei Xie , Dusit Niyato , Chau Yuen , Jun Luo

Physical layer security has been considered as an important security approach in wireless communications to protect legitimate transmission from passive eavesdroppers. This paper investigates the physical layer security of a wireless…

Information Theory · Computer Science 2017-04-27 Wenfei Liu , Ming Li , Xiaowen Tian , Zihuan Wang , Qian Liu

The physical layer security of uplink non-orthogonal multiple access (NOMA) is analyzed. A stochastic geometry approach is applied to analyze the coverage probability and the effective secrecy throughput (EST) of the kth NOMA user, where a…

Information Theory · Computer Science 2018-09-14 Gerardo Gomez , Francisco J. Martin-Vega , F. Javier Lopez-Martinez , Yuanwei Liu , Maged Elkashlan

Volumetric videoconferencing enables immersive six Degrees of Freedom interactions by jointly transmitting visual appearance and 3D geometry. However, delivering volumetric video over today's networks remains challenging due to high…

Networking and Internet Architecture · Computer Science 2026-05-01 Ankur Aditya , Diptyaroop Maji , Lingdong Wang , Bhavya Ramakrishna , Ramesh Sitaraman , Prashant Shenoy

We propose a new security framework for physical layer security (PLS) in the finite blocklength (FBL) regime that incorporates deception technology, allowing for active countermeasures against potential eavesdroppers. Using a symmetric…

Information Theory · Computer Science 2023-07-21 Bin Han , Yao Zhu , Anke Schmeink , Hans D. Schotten

Inverse precoding algorithms in multimode fiber based communication networks are used to exploit mode dependent losses on the physical layer. This provides an asymmetry between legitimate (Bob) and unlegitimate (Eve) receiver of messages…

Cryptography and Security · Computer Science 2019-09-19 Stefan Rothe , Nektarios Koukourakis , Hannes Radner , Andrew Lonnstrom , Eduard Jorswieck , Jürgen W. Czarske

This paper investigates the decoding process of asynchronous convolutional-coded physical-layer network coding (PNC) systems. Specifically, we put forth a layered decoding framework for convolutional-coded PNC consisting of three layers:…

Information Theory · Computer Science 2013-12-06 Qing Yang , Soung Chang Liew

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…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Theshani Nuradha , Kasun T. Hemachandra , Tharaka Samarasinghe , Saman Atapattu

Due to the broadcast nature of wireless medium, wireless communication is highly vulnerable to eavesdropping attack. Traditionally, secure wireless data transmission has relied on cryptographic techniques at the network layer which incur…

Information Theory · Computer Science 2018-06-08 Binh Van Nguyen , Hyoyoung Jung , Kiseon Kim
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