English
Related papers

Related papers: Secure Compute-and-Forward Transmission With Artif…

200 papers

This paper consider a new secure communication scene where a full-duplex transmitter (Alan) need to transmit confidential information to a half-duplex receiver (Bob), with a silent eavesdropper (Eve) that tries to eavesdrop the confidential…

Networking and Internet Architecture · Computer Science 2017-10-20 Xinyue Hu , Caihong Kai , Shengli Zhang , Zhongyi Guo , Jun Gao

In physical layer security (PHY-security), the frequently observed high correlation between the main and wiretap channels can cause a significant loss of secrecy. This paper investigates a slow fading scenario, where a transmitter (Alice)…

Information Theory · Computer Science 2017-08-16 Shuai Han , Sai Xu , Weixiao Meng , Cheng Li

We investigate the transmission of a secret message from Alice to Bob in the presence of an eavesdropper (Eve) and many of decode-and-forward relay nodes. Each link comprises a set of parallel channels, modeling for example an orthogonal…

Information Theory · Computer Science 2018-07-18 Linda Senigagliesi , Marco Baldi , Stefano Tomasin

We investigate the physical layer security of uplink single-carrier frequency-division multiple-access (SC-FDMA) systems. Multiple users, Alices, send confidential messages to a common legitimate base-station, Bob, in the presence of an…

Networking and Internet Architecture · Computer Science 2018-05-15 Mohamed F. Marzban , Ahmed El Shafie , Naofal Al-Dhahir , Ridha Hamila

Consider a full-duplex (FD) bidirectional secure communication system, where two communication nodes, named Alice and Bob, simultaneously transmit and receive confidential information from each other, and an eavesdropper, named Eve,…

Information Theory · Computer Science 2017-08-02 Qiang Li , Ying Zhang , Jingran Lin , Sissi Xiaoxiao Wu

We propose a new scheme to enhance the physical-layer security of wireless single-input single-output orthogonal-frequency division-multiplexing (OFDM) transmissions from an electric vehicle, Alice, to the aggregator, Bob, in the presence…

Information Theory · Computer Science 2018-03-02 Ahmed El Shafie , Mohamed F. Marzban , Rakan Chabaan , Naofal Al-Dhahir

In this paper, we consider communication on a two-hop channel, in which a source wants to send information reliably and securely to the destination via a relay. We consider both the untrusted relay case and the external eavesdropper case.…

Information Theory · Computer Science 2015-09-15 Zhijie Ren , Jasper Goseling , Jos H. Weber , Michael Gastpar

This work considers the two-way wiretap channel in which two legitimate users, Alice and Bob, wish to exchange messages securely in the presence of a passive eavesdropper Eve. In the full-duplex scenario, where each node can transmit and…

Information Theory · Computer Science 2011-10-04 Aly El Gamal , O. Ozan Koyluoglu , Moustafa Youssef , Hesham El Gamal

This paper considers a scenario in which an Alice-Bob pair wishes to communicate in secret in the presence of an active Eve, who is capable of jamming as well as eavesdropping in Full-Duplex (FD) mode. As countermeasure, Bob also operates…

Information Theory · Computer Science 2016-12-07 Lingxiang Li , Athina P. Petropulu , Zhi Chen

This letter proposes a novel hybrid half-/full-duplex relaying scheme to enhance the relay channel security. A source node (Alice) communicates with her destination node (Bob) in the presence of a buffer-aided full-duplex relay node…

Networking and Internet Architecture · Computer Science 2016-12-20 Ahmed El Shafie , Ahmed Sultan , Naofal Al-Dhahir

This paper investigates covert communications in an integrated sensing and communications system, where a dual-functional base station (called Alice) covertly transmits signals to a covert user (called Bob) while sensing multiple targets,…

Information Theory · Computer Science 2024-08-29 Runzhe Tang , Long Yang , Lv Lu , Zheng Zhang , Yuanwei Liu , Jian Chen

This paper proposes a new scheme to secure the transmissions in an untrusted decode-and-forward (DF) relaying network. A legitimate source node, Alice, sends her data to a legitimate destination node, Bob, with the aid of an untrusted DF…

Information Theory · Computer Science 2017-06-13 Ahmed El Shafie , Ahmed Sultan , Asma Mabrouk , Kamel Tourki , Naofal Al-Dhahir

This paper develops a new physical layer framework for secure two-way wireless communication in the presence of a passive eavesdropper, i.e., Eve. Our approach achieves perfect information theoretic secrecy via a novel randomized scheduling…

Information Theory · Computer Science 2009-08-27 Aly El Gamal , Moustafa Youssef , Hesham El Gamal

This paper studies an untrusted relay channel, in which the destination sends artificial noise simultaneously with the source sending a message to the relay, in order to protect the source's confidential message. The traditional…

Information Theory · Computer Science 2015-04-01 Shengli Zhang , Lisheng Fan , Mugen Peng , H. Vincent Poor

In this paper, we consider decode-and-forward (DF) relay beamforming with imperfect channel state information (CSI), cooperative artificial noise (AN) injection, and finite-alphabet input in the presence of an user and $J$ non-colluding…

Information Theory · Computer Science 2015-05-05 Sanjay Vishwakarma , A. Chockalingam

Compute and Forward (CF) is a coding scheme which enables receivers to decode linear combinations of simultaneously transmitted messages while exploiting the linear properties of lattice codes and the additive nature of a shared medium. The…

Information Theory · Computer Science 2020-05-12 Ori Shmuel , Asaf Cohen , Omer Gurewitz

This paper presents further insights into a recently developed round-trip communication scheme called ``Secret-message Transmission by Echoing Encrypted Probes (STEEP)''. A legitimate wireless channel between a multi-antenna user (Alice)…

Information Theory · Computer Science 2025-07-21 Yingbo Hua , Md Saydur Rahman

This paper presents secrecy analyses of a full-duplex MIMOME network which consists of two full-duplex multi-antenna users (Alice and Bob) and an arbitrarily located multi-antenna eavesdropper (Eve). The paper assumes that Eve's channel…

Signal Processing · Electrical Eng. & Systems 2025-07-21 Reza Sohrabi , Qiping Zhu , Yingbo Hua

We consider a system where an agent (Alice) aims at transmitting a message to a second agent (Bob) over a set of parallel channels, while keeping it secret from a third agent (Eve) by using physical layer security techniques. We assume that…

Information Theory · Computer Science 2014-10-28 Marco Baldi , Marco Bianchi , Franco Chiaraluce , Nicola Laurenti , Stefano Tomasin , Francesco Renna

In this paper, we consider a two-way wiretap Multi-Input Multi-Output Multi-antenna Eve (MIMOME) channel, where both nodes (Alice and Bob) transmit and receive in an in-band full-duplex (IBFD) manner. For this system with keyless security,…

Information Theory · Computer Science 2024-03-12 Navneet Garg , Haifeng Luo , Tharmalingam Ratnarajah
‹ Prev 1 2 3 10 Next ›