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This paper considers secrecy enhancement mechanisms in visible light communication (VLC) systems with spatially distributed passive eavesdroppers (EDs) under the assumption that there are multiple LED transmitters and one legitimate…

Information Theory · Computer Science 2017-07-24 Sunghwan Cho , Gaojie Chen , Justin P. Coon

This work deals with the secrecy performance analysis of a dual-hop RF-FSO DF relaying network composed of a source, a relay, a destination, and an eavesdropper. We assume the eavesdropper is located close to the destination and overhears…

Information Theory · Computer Science 2021-09-14 N. A. Sarker , A. S. M. Badrudduza , S. M. R. Islam , S. H. Islam , M. K. Kundu , I. S. Ansari , K. -S. Kwak

We investigate the physical layer security over N-wave with diffuse power (NWDP) fading model, which is typically encountered in realistic wireless scenarios in the context of millimeter-wave communications and emerging 5G technologies.…

In this paper, we investigate the secrecy performance of radio frequency (RF) eavesdropping for a high altitude platform station (HAPS) aided satellite communication (SatCom) system. More precisely, we propose a new SatCom scheme where a…

Signal Processing · Electrical Eng. & Systems 2021-06-16 Olfa Ben Yahia , Eylem Erdogan , Gunes Karabulut Kurt

This paper studies the problem of remote state estimation in the presence of a passive eavesdropper. A sensor measures a linear plant's state and transmits it to an authorized user over a packet-dropping channel, which is susceptible to…

Systems and Control · Computer Science 2018-09-21 Anastasios Tsiamis , Konstantinos Gatsis , George Pappas

We study the problem of remote state estimation, in the presence of an eavesdropper. An authorized user estimates the state of a linear plant, based on the data received from a sensor, while the data may also be intercepted by the…

Systems and Control · Computer Science 2016-12-16 Anastasios Tsiamis , Konstantinos Gatsis , George J. Pappas

This paper addresses Physical Layer Security (PLS) for a wireless sensor network in which multiple sensor nodes communicate with a single sink in the presence of an eavesdropper. Under the assumption of sink using outdated channel state…

Information Theory · Computer Science 2019-03-11 Furqan Jameel , Shurjeel Wyne , Ioannis Krikidis

This paper investigates on the problem of combining routing scheme and physical layer security in multihop wireless networks with cooperative diversity. We propose an ad-hoc natured hop-by-hop best secure relay selection in a multihop…

Information Theory · Computer Science 2018-07-20 Anish Prasad Shrestha , Kyung Sup Kwak

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

It has been found that the signal can be encoded in the choice of the measurement basis of one of the communicating parties, while the outcomes of the measurement are irrelevant for the communication and therefore may be discarded. The…

Quantum Physics · Physics 2015-06-17 Dong Xie , An Min Wang

Non-orthogonal multiple access (NOMA) serves multiple users simultaneously via the same resource block by exploiting superposition coding at the transmitter and successive interference cancellation (SIC) at the receivers. Under practical…

Information Theory · Computer Science 2023-08-21 Sapna Thapar , Deepak Mishra , Derrick Wing Kwan Ng , Ravikant Saini

We consider the problem of secure communication with multi-antenna transmission in fading channels. The transmitter simultaneously transmits an information bearing signal to the intended receiver and artificial noise to the eavesdroppers.…

Information Theory · Computer Science 2010-07-01 Xiangyun Zhou , Matthew R. McKay

This paper investigates the security enhancement of an intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) network, where a distributed IRS enabled NOMA transmission framework is proposed to serve users…

Information Theory · Computer Science 2021-04-16 Zheng Zhang , Jian Chen , Qingqing Wu , Yuanwei Liu , Lu Lv , Xunqi Su

We present numerical simulations measuring secrecy and efficiency rate of Perfect Secrecy protocol presented in former article named Perfect Secrecy under Deep Random assumption. Those simulations specifically measure the respective error…

Cryptography and Security · Computer Science 2018-10-02 Thibault de Valroger

In this paper, we consider a multiple-input multiple-output (MIMO) system consisting of one source, one destination and one eavesdropper, where each node is equipped with an arbitrary number of antennas. To improve the security of…

Information Theory · Computer Science 2016-11-15 Jia Zhu , Yulong Zou , Gongpu Wang , Yu-Dong Yao , George K. Karagiannidis

In this paper, we consider a scenario where a source node wishes to broadcast two confidential messages to two receivers, while a wire-tapper also receives the transmitted signal. This model is motivated by wireless communications, where…

Information Theory · Computer Science 2009-10-20 Ghadamali Bagherikaram , Abolfazl S. Motahari , Amir K. Khandani

In this letter, we analyze the secrecy outage probability (SOP) over fluctuating two-ray fading channels but with a different definition from the one adopted in [5]. Following the new defined SOP, we derive an analytical closed-form…

Signal Processing · Electrical Eng. & Systems 2019-05-30 Hui Zhao , Liang Yang , Gaofeng Pan , Mohamed-Slim Alouini

We propose a simple yet efficient scheme for a set of energy-harvesting sensors to establish secure communication with a common destination (a master node). An eavesdropper attempts to decode the data sent from the sensors to their common…

Networking and Internet Architecture · Computer Science 2016-12-26 Ahmed El Shafie , Naofal Al-Dhahir

We investigate the secrecy performance of an underlay small-cell cognitive radio network under unreliable backhaul connections. The small-cell network shares the same spectrum with the primary network, ensuring that a desired outage…

Signal Processing · Electrical Eng. & Systems 2021-03-09 Jinghua Zhang , Chinmoy Kundu , Octavia A. Dobre , Emi Garcia-Palacios , Nguyen-Son Vo

A new generalised approach for multiple correlated sources over a wiretap network is investigated. A basic model consisting of two correlated sources where each produce a component of the common information is initially investigated. There…

Information Theory · Computer Science 2014-10-06 Reevana Balmahoon , Ling Cheng
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