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This paper considers the problem of covert communication with mismatched decoding, in which a sender wishes to reliably communicate with a receiver whose decoder is fixed and possibly sub-optimal, and simultaneously to ensure that the…

Information Theory · Computer Science 2021-11-11 Qiaosheng Zhang , Vincent Y. F. Tan

A covert communication system under block fading channels is considered where users experience uncertainty about their channel knowledge. The transmitter seeks to hide the covert communication to a private user by exploiting a legitimate…

Information Theory · Computer Science 2017-03-08 Khurram Shahzad , Xiangyun Zhou , Shihao Yan

Interference is usually viewed as an obstacle to communication in wireless networks. This paper proposes a new strategy, compute-and-forward, that exploits interference to obtain significantly higher rates between users in a network. The…

Information Theory · Computer Science 2011-06-14 Bobak Nazer , Michael Gastpar

This paper deals with the delay-throughput analysis of a single-hop wireless network with $n$ transmitter/receiver pairs. All channels are assumed to be block Rayleigh fading with shadowing, described by parameters $(\alpha,\varpi)$, where…

Information Theory · Computer Science 2016-11-17 Jamshid Abouei , Alireza Bayesteh , Amir K. Khandani

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

This paper investigates the physical-layer security for a random indoor visible light communication (VLC) network with imperfect channel state information (CSI) and a protected zone. The VLC network consists of three nodes, i.e., a…

Information Theory · Computer Science 2023-07-19 Jin-Yuan Wang , Yu Qiu , Sheng-Hong Lin , Jun-Bo Wang , Min Lin , Cheng Liu

In this paper the throughput and energy efficiency of an unlicensed machine type communications network is studied. If an outage event happens in the network, there is a possibility for packet retransmissions in order to obtain a lower…

Information Theory · Computer Science 2019-05-07 Iran Ramezanipour , Hirley Alves , Pedro J. H. Nardelli , Ari Pouttu

Interference between nodes directly limits the capacity of mobile ad hoc networks. This paper focuses on spatial interference cancelation with perfect channel state information (CSI), and analyzes the corresponding network capacity.…

Information Theory · Computer Science 2016-11-17 Kaibin Huang , Jeffrey G. Andrews , Robert W. Heath, , Dongning Guo , Randall A. Berry

This work studies the throughput scaling laws of ad hoc wireless networks in the limit of a large number of nodes. A random connections model is assumed in which the channel connections between the nodes are drawn independently from a…

Information Theory · Computer Science 2016-11-18 Shengshan Cui , Alexander M. Haimovich , Oren Somekh , H. Vincent Poor , Shlomo Shamai

We derive the probability distribution of the link outage duration at a typical receiver in a wireless network with Poisson distributed interferers sending messages with slotted random access over a Rayleigh fading channel. This result is…

Information Theory · Computer Science 2019-11-27 Udo Schilcher , Siddhartha Borkotoky , Jorge F. Schmidt , Christian Bettstetter

This paper studies a general multi-user wireless powered interference channel (IFC) under the harvest-then-transmit protocol, where the communication in channel coherence time consists of two phases, namely wireless energy transfer (WET)…

Signal Processing · Electrical Eng. & Systems 2019-02-27 Omid Rezaei , Mohammad Mahdi Naghsh , Zahra Rezaei , Rui Zhang

The role of cooperation in managing interference - a fundamental feature of the wireless channel - is investigated by studying the two-user Gaussian interference channel where the source nodes can both transmit and receive in full-duplex.…

Information Theory · Computer Science 2011-01-28 Vinod M. Prabhakaran , Pramod Viswanath

In this paper, an extended large wireless network under the secrecy constraint is considered. In contrast to works which use idealized assumptions, a more realistic network situation with unknown eavesdroppers locations is investigated: the…

Information Theory · Computer Science 2016-04-26 Amir Hossein Hadavi , Narges Kazempour , Mahtab Mirmohseni , Mohammad Reza Aref

Wireless systems are of paramount importance for providing ubiquitous data transmission for smart cities. However, due to the broadcasting and openness of wireless channels, such systems face potential security challenges. UAV-assisted…

Cryptography and Security · Computer Science 2024-03-15 Chan Gao , Linying Tian , Dong Zheng

We consider the problem of covert communication over continuous-time additive white Gaussian noise (AWGN) channels under spectral mask constraints, wherein two legitimate parties attempt to communicate reliably in the presence of an…

Information Theory · Computer Science 2020-01-07 Qiaosheng , Zhang , Matthieu R. Bloch , Mayank Bakshi , Sidharth Jaggi

We consider the situation in which a transmitter attempts to communicate reliably over a discrete memoryless channel while simultaneously ensuring covertness (low probability of detection) with respect to a warden, who observes the signals…

Information Theory · Computer Science 2016-11-18 Matthieu R. Bloch

In this two-part paper, we consider the transmission of confidential data over wireless wiretap channels. The first part presents an information-theoretic problem formulation in which two legitimate partners communicate over a quasi-static…

Information Theory · Computer Science 2007-07-13 Matthieu Bloch , Joao Barros , Miguel R. D. Rodrigues , Steven W. McLaughlin

The feasibility of physical-layer-based security approaches for wireless communications in the presence of one or more eavesdroppers is hampered by channel conditions. In this paper, cooperation is investigated as an approach to overcome…

Information Theory · Computer Science 2008-09-30 Lun Dong , Zhu Han , Athina P. Petropulu , H. Vincent Poor

Covert communication aims to hide the very existence of wireless transmissions in order to guarantee a strong security in wireless networks. In this work, we examine the possibility and achievable performance of covert communication in…

Information Theory · Computer Science 2024-10-30 Jinsong Hu , Shihao Yan , Xiangyun Zhou , Feng Shu , Jun Li , Jiangzhou Wang

A generalization of the problem of writing on dirty paper is considered in which one transmitter sends a common message to multiple receivers. Each receiver experiences on its link an additive interference (in addition to the additive…

Information Theory · Computer Science 2007-07-13 Ashish Khisti , Uri Erez , Amos Lapidoth , Gregory Wornell
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