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International Conference on Electrical, Computer & Telecommunication Engineering (ICECTE)

Protection of Multicast Channels Against Multiple Eavesdroppers: A Secrecy Tradeoff

A. S. M. Badrudduza, M. Z. I. Sarkar, Milton Kumar Kundu

Published Dec 26, 2019• 1 citation
Publisher

Abstract

The conventional multicasting techniques do not ensure security for the destination users. This paper deals with the solution of this problem. A confidential communication scenario is proposed where a single antenna source communicates with a group of multicast users each with multiple antennas in the presence of multiple eavesdroppers each with multiple antennas. The key contribution of this paper is to provide a mathematical model consisting of the closed-form analytical expressions (CFAEs) for the probability of non-zero secrecy multicast capacity (PNSMC), secure outage probability for multicasting (SOPM) and the ergodic secrecy multicast capacity (ESMC) to obstruct the eavesdropper, so that no eavesdropper can decode any information from the multicast channels. Finally, the derived analytical expressions are verified via Monte-Carlo simulation.

DOI
10.1109/icecte48615.2019.9303522

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The conventional multicasting techniques do not ensure security for the destination users. This paper deals with the solution of this problem. A confidential communication scenario is proposed where a single antenna source communicates with a group of multicast users each with multiple antennas in the presence of multiple eavesdroppers each with multiple antennas. The key contribution of this paper is to provide a mathematical model consisting of the closed-form analytical expressions (CFAEs) for the probability of non-zero secrecy multicast capacity (PNSMC), secure outage probability for multicasting (SOPM) and the ergodic secrecy multicast capacity (ESMC) to obstruct the eavesdropper, so that no eavesdropper can decode any information from the multicast channels. Finally, the derived analytical expressions are verified via Monte-Carlo simulation.
A confidential multicasting scenario is considered through Nakagami-q fading channels in the presence of multiple eavesdroppers. We are interested to protect the confidential information so that no eavesdropper can decode any information from the multicast channels. A mathematical model is developed which consists of the closed-form analytical expressions for the ergodic secrecy multicast capacity and the secure outage probability for multicasting to ensure this security. Some numerical results are shown to justify the validity of the developed mathematical model. Moreover, the analytical expressions are verified via Monte-Carlo simulation.
This paper focuse on the secrecy performance analysis over correlated κ - μ shadowed fading multicast channels considering a single input multiple output (SIMO) scenario. The proposed network consists of a single antenna source, and multiple receivers and eavesdroppers which are equipped with multiple antennas. The security analysis has been performed by developing a mathematical model and deriving the novel closed-form expressions(CFEs)of the performance matrices such as probability of non-zero secrecy multicast capacity (PNSMC) and secure outage probability for multicasting (SOPM). The secrecy capacity and outage characteristics of the multicast network has been investigated for the simultaneous presence of correlation and shadowing and it is observed that impact of each system parameter can be evaluated perfectly using the derived expressions. Finally, the analytical results has been verified by Monte-Carlo Simulations.
In this paper, we consider the problem of transmission of sensitive message in wireless multicast cellular network through identically distributed Nakagami-m fading multiple-input multiple-output (MIMO) channels considering the existence of multiple eavesdroppers. It is assumed that the antennas in the destinations and eavesdroppers are exponentially correlated. Considering channel state information (CSI) at the receiver, the closed-form analytical expressions for the ergodic secrecy multicast capacity (ESMC) and the probability of non zero secrecy multicast capacity (PNSMC) have been derived to investigate the effect of correlation and fading parameter on the proposed model. Numerical results of the derived analytical expressions are presented and demonstrated using Monte-Carlo simulation.
The secrecy performance analysis over the channels is done at the physical layer to assure the confidentiality of data. In this paper, the information-theoretic security over Hyper-Gamma fading channel is investigated by constructing a single-source multiple-receiver structure in which several number of eavesdroppers are trying to overhear the transmitted information. On the basis of this assumption, the secrecy performance is addressed by deriving the closed form expressions(CFEs) of probability of non-zero secrecy multicast capacity (PNSMC), ergodic secrecy multicast capacity (ESMC), secure outage probability for multicasting (SOPM). Monte-Carlo Simulations are used to demonstrate the validity of the derived expressions.
A multicasting scenario over a correlated Nakagamim fading channel is explored in this paper, where a single antenna source transmits to a destination in the presence of an eavesdropper. The destination has multiple antennas, as does the eavesdropper. The transmission of the information is deemed safe if an eavesdropper cannot tap into it. In this context, the probability of non-zero secrecy multicast capacity (PNZSMC) and the secure outage probability for multicasting (SOPM) have been derived in closed-form based expressions which shed light on how different system parameters uniquely impact these metrics. The results show that secrecy performance worsens as the number of destinations, eavesdroppers, and the correlation coefficient increase, but improves with greater antenna diversity and fading.
A secure multicasting framework is considered in this paper to investigate the secrecy performance of a single-input multiple-output (SIMO) system in which a single antenna source transmits private message to multiple receivers in the presence of multiple eavesdroppers. All the receivers and eavesdroppers are equipped with multiple antennas. The perfect secrecy is obtained when evasedroppers can not be able to decode any transmitted information. Considering independent and identically distributed (i.i.d) Rician-K fading channels, the mathematical expressions for the probability of non-zero secrecy multicast capacity, the ergodic secrecy multicast capacity and the secure outage probability for multicasting are derived in closed-forms. Numerical results are provided to show the impact of the diversity provided by the multiple antennas at the receivers. In addition, the impact of Rician factor, K on the secrecy capacity and outage behaviour of the proposed multicasting scenario is also demonstrated. The performance analysis includes the Rayleigh fading scenario as a special case of Rician-K fading channel and focuses the performance comparison between Rician-K and Rayleigh fading channels.