English
Related papers

Related papers: Secrecy Outage Analysis Over Fluctuating Two-Ray F…

200 papers

In this paper, the performance of signaling strategies with high peak-to-average power ratio is analyzed over both coherent and noncoherent fading channels. Two modulation schemes, namely on-off phase-shift keying (OOPSK) and on-off…

Information Theory · Computer Science 2007-12-21 Mustafa Cenk Gursoy

This work considers a multiple-input-single-output mmWave RSMA system wherein a base station serves two users in the presence of a passive eavesdropper. Different eavesdropping scenarios are considered corresponding to the overlapped…

Information Theory · Computer Science 2024-02-27 Hongjiang Lei , Sha Zhou , Xinhu Chen , Imran Shafique Ansari , Yun Li , Gaofeng Pan , Mohamed-Slim Alouini

This paper studies the secrecy rate maximization problem of a secure wireless communication system, in the presence of multiple eavesdroppers. The security of the communication link is enhanced through cooperative jamming, with the help of…

Information Theory · Computer Science 2017-01-13 Kanapathippillai Cumanan , George C. Alexandropoulos , Zhgiuo Ding , George K. Karagiannidis

Secrecy issues of free-space optical links realizing information theoretically secure communications as well as high transmission rates are discussed. We numerically study secrecy communication rates of optical wiretap channel based on…

Information Theory · Computer Science 2015-09-15 Hiroyuki Endo , Te Sun Han , Takao Aoki , Masahide Sasaki

Free-space optics (FSO)-based satellite communication systems have recently received considerable attention due to their enhanced capacity compared to their radio frequency (RF) counterparts. This paper analyzes the performance of physical…

Information Theory · Computer Science 2024-02-22 Thang V. Nguyen , Thanh V. Pham , Anh T. Pham , Dang T. Ngoc

In this paper, the secrecy of a cooperative system consisting of a single source, relay, destination and eavesdropper is analyzed. The threshold-selection decode-and-forward relay is considered, where the relay can correctly decode and…

Signal Processing · Electrical Eng. & Systems 2018-03-05 C. Kundu , T. M. N. Ngatched , O. A. Dobre

In this paper, we propose a new probability distribution function which accurately describes turbulence-induced fading under a wide range of turbulence conditions. The proposed model, termed Double Generalized Gamma (Double GG), is based on…

Mathematical Physics · Physics 2015-05-26 Mohammadreza Aminikashani , Murat Uysal , Mohsen Kavehrad

This letter studies parallel independent Gaussian channels with uncertain eavesdropper channel state information (CSI). Firstly, we evaluate the probability of zero secrecy rate in this system for (i) given instantaneous channel conditions…

Information Theory · Computer Science 2016-02-23 Siddhartha Sarma , Kundan Kandhway , Joy Kuri

Free-space optical (FSO) links are considered as a cost-efficient way to fill the backhaul/fronthaul connectivity gap between millimeter wave (mmWave) access networks and optical fiber based central networks. In this paper, we investigate…

Information Theory · Computer Science 2020-04-14 Yan Zhang , Jiayi Zhang , Liang Yang , Bo Ai , Mohamed-Slim Alouini

In this work, the performance analysis of a dual-hop relay transmission system composed of asymmetric radio-frequency (RF)/free-space optical (FSO) links with pointing errors is presented. More specifically, we build on the system model…

Information Theory · Computer Science 2013-02-19 Imran Shafique Ansari , Ferkan Yilmaz , Mohamed-Slim Alouini

In this letter, we present a closed-form approximation of the outage probability for the multi-hop amplify-and-forward (AF) relaying systems with fixed gain in Rayleigh fading channel. The approximation is derived from the outage event for…

Performance · Computer Science 2008-12-05 Jun Kyoung Lee , Janghoon Yang , Dong Ku Kim

In this paper, a transmit antenna selection scheme, which is based on shadowing side information, is investigated. In this scheme, the selected single transmit antenna provides the highest shadowing coefficient between transmitter and…

Information Theory · Computer Science 2012-09-20 Ahmet Yilmaz , Ferkan Yilmaz , Mohamed-Slim Alouini , Oğuz Kucur

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

This paper focuses on the analysis of average Gaussian error probabilities in certain fading channels, i.e. we are interested in E[Q((p {\gamma})^(1/2))] where Q(.) is the Gaussian Q-function, p is a positive real number and {\gamma} is a…

Information Theory · Computer Science 2011-03-03 Jose F. Paris

Outage probability and capacity of a class of block-fading MIMO channels are considered with partial channel distribution information. Specifically, the channel or its distribution are not known but the latter is known to belong to a class…

Information Theory · Computer Science 2015-03-18 Ioanna Ioannou , Charalambos D. Charalambous , Sergey Loyka

With the completion of standardization of fifth-generation (5G) networks, the researchers have begun visioning sixth-generation (6G) networks that are predicted to be human-centric. Hence, similar to 5G networks, besides high data rate,…

We investigate a relay network where the source can potentially utilize an untrusted non-regenerative relay to augment its direct transmission of a confidential message to the destination. Since the relay is untrusted, it is desirable to…

Information Theory · Computer Science 2015-06-12 Jing Huang , Amitav Mukherjee , A. Lee Swindlehurst

The single-particle density of states and the tunneling conductance are studied for a two-dimensional BCS-like Hamiltonian with a d_{x^2-y^2}-gap and phase fluctuations. The latter are treated by a classical Monte Carlo simulation of an XY…

Superconductivity · Physics 2009-11-07 T. Eckl , D. J. Scalapino , E. Arrigoni , W. Hanke

This paper addresses the problem of outage characterization of an ambient backscatter communication system with a pair of passive tag and reader. In particular, an exact expression for the effective channel distribution is derived. Then,…

Information Theory · Computer Science 2019-05-29 Wenjing Zhao , Gongpu Wang , Saman Atapattu , Chintha Tellambura

The outage probability performance of a dual-hop amplify-and-forward selective relaying system with global relay selection is analyzed for Nakagami-$m$ fading channels in the presence of multiple interferers at both the relays and the…

Networking and Internet Architecture · Computer Science 2014-10-07 Kezhi Wang , Yunfei Chen , Marco Di Renzo