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This paper proposes an integrated sensing, jamming, and communications (ISJC) framework for securing unmanned aerial vehicle (UAV)-enabled wireless networks. The proposed framework advocates the dual use of artificial noise transmitted by…

Information Theory · Computer Science 2021-10-12 Zhiqiang Wei , Fan Liu , Derrick Wing Kwan Ng , Robert Schober

In this paper, we investigate secure and reliable transmission strategies for multi-cell multi-user massive multiple-input multiple-output (MIMO) systems with a multi-antenna active eavesdropper. We consider a time-division duplex system…

Information Theory · Computer Science 2016-05-12 Yongpeng Wu , Robert Schober , Derrick Wing Kwan Ng , Chengshan Xiao , Giuseppe Caire

In this paper, we study the problem of secure transmission with covert requirement in untrusted relaying networks. Our considered system model consists of one source, one destination, one untrusted relay, and one Willie. The untrusted relay…

Cryptography and Security · Computer Science 2018-09-05 Moslem Forouzesh , Paeiz Azmi , Ali Kuhestani

In this work, we address reliable communication of low-latency packets in the presence of a full-duplex adversary that is capable of executing a jamming attack while also being able to measure the power levels on various frequency bands.…

Information Theory · Computer Science 2020-06-01 Vivek Chaudhary , J. Harshan

We study covert communications over binary-input discrete memoryless alarm two-way channels, in which two users interact through a two-way channel and attempt to hide the presence of their communication from an eavesdropping receiver. The…

Information Theory · Computer Science 2025-06-23 Tuna Erdoğan , Tyler Kann , Aria Nosratinia , Matthieu Bloch

Power line communication (PLC) exploits the existence of installed infrastructure of power delivery system, in order to transmit data over power lines. In PLC networks, different nodes of the network are interconnected via power delivery…

Information Theory · Computer Science 2017-02-06 Babak Nikfar , A. J. Han Vinck

In this paper we address a sum secrecy rate maximization problem for a multi-carrier and MIMO communication system. We consider the case that the receiver is capable of full-duplex (FD) operation and simultaneously sends jamming signal to a…

Information Theory · Computer Science 2018-02-19 Tianyu Yang , Omid Taghizadeh , Rudolf Mathar

In this paper, we examine the secrecy performance of two-way relaying between a multiple antenna base station (BS) and a single antenna mobile user (MU) in the presence of a multiple antenna friendly jammer (FJ). We consider the untrusted…

Cryptography and Security · Computer Science 2017-09-06 Ali Kuhestani , Phee Lep Yeoh , Abbas Mohammadi

In this paper, we address the problem of energy-efficient power allocation for secure communications in an amplify-and-forward (AF) large-scale multiple-input multiple-output (LS-MIMO) relaying system in presence of a passive eavesdropper.…

Information Theory · Computer Science 2014-08-26 Jian Chen , Xiaoming Chen , Tao Liu , Lei Lei

Millimeter wave (mmWave) communications have been considered as a key technology for future 5G wireless networks. In order to overcome the severe propagation loss of mmWave channel, mmWave multiple-input multiple-output (MIMO) systems with…

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

This paper brings the novel idea of paying the utility to the winning agents in terms of some physical entity in cooperative communications. Our setting is a secret two-way communication channel where two transmitters exchange information…

Information Theory · Computer Science 2017-03-22 Muhammad R. A. Khandaker , Kai-Kit Wong , Gan Zheng

The inherent vulnerability of wireless communication necessitates strategies to enhance its security, particularly in the face of jamming attacks. This paper uses the collaborations of multiple sensing nodes (SNs) in the wireless network to…

Information Theory · Computer Science 2025-09-16 Amir Mehrabian , Georges Kaddoum

We consider the General Gaussian Multiple Access Wire-Tap Channel (GGMAC-WT). In this scenario, multiple users communicate with an intended receiver in the presence of an intelligent and informed eavesdropper. We define two suitable secrecy…

Information Theory · Computer Science 2007-07-13 Ender Tekin , Aylin Yener

A secure downlink transmission system which is exposed to multiple eavesdroppers and is appropriate for Internet of Things (IoT) applications is considered. A worst case scenario is assumed, in the sense that, in order to enhance their…

Signal Processing · Electrical Eng. & Systems 2019-05-17 Pingmu Huang , Yunqin Hao , Tiejun Lv , Jintao Xing , Jie Yang , P. Takis Mathiopoulos

In this paper, we investigate the artificial noise-aided jamming design for a transmitter equipped with large antenna array in Rician fading channels. We figure out that when the number of transmit antennas tends to infinity, whether the…

Information Theory · Computer Science 2015-07-24 Jue Wang , Jemin Lee , Fanggang Wang , Tony Q. S. Quek

In this paper, we study beamforming in decode-and-forward (DF) relaying using multiple relays, where the source node sends a secret message as well as a non-secret message to the destination node in the presence of multiple non-colluding…

Information Theory · Computer Science 2014-02-03 Sanjay Vishwakarma , A. Chockalingam

In this paper, we consider the problem of joint secure routing and transmit power optimization for a multi-hop ad-hoc network under the existence of randomly distributed eavesdroppers following a Poisson point process (PPP). Secrecy…

Information Theory · Computer Science 2018-05-04 Hui-Ming Wang , Yan Zhang , Derrick Wing Kwan Ng , Moon Ho Lee

This paper investigates the fundamental performance limits of the two-user interference channel in the presence of an external eavesdropper. In this setting, we construct an inner bound, to the secrecy capacity region, based on the idea of…

Information Theory · Computer Science 2015-03-13 O. Ozan Koyluoglu , Hesham El Gamal

A simple four node network in which cooperation improves the information-theoretic secrecy is studied. The channel consists of two senders, a receiver, and an eavesdropper. One or both senders transmit confidential messages to the receiver,…

Information Theory · Computer Science 2011-02-18 Ninoslav Marina , Hideki Yagi , H. Vincent Poor

Semantic communication has emerged as a promising paradigm for enhancing communication efficiency in sixth-generation (6G) networks. However, the broadcast nature of wireless channels makes SemCom systems vulnerable to eavesdropping, which…

Information Theory · Computer Science 2025-04-01 Shunpu Tang , Yuhao Chen , Qianqian Yang , Ruichen Zhang , Dusit Niyato , Zhiguo Shi