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International Conference on Computer, Communication, Chemical, Materials and Electronic Engineering (IC4ME2)

Enhancing Wireless Security Over Weibull Fading Multicast Channel

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

Published Jul 1, 2019• 5 citations
Publisher

Abstract

This paper aims to the study of security in wireless transmission system through Weibull fading single-input multiple-output multicast channels considering multiple receivers and eavesdroppers. At first, the analytical expressions for the probability of non-zero secrecy multicast capacity and the ergodic secrecy multicast capacity are derived in closed-form to illustrate the numerical results. Then the closed-form expression for the secure outage probability is obtained to examine the secure outage behaviour. Finally, a comparison between Weibull and Rayleigh fading channel is presented to demonstrate the impact of Weibull fading parameter on the secrecy performance of the proposed scenario.

DOI
10.1109/ic4me247184.2019.9036690

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This paper aims to the study of security in wireless transmission system through Weibull fading single-input multiple-output multicast channels considering multiple receivers and eavesdroppers. At first, the analytical expressions for the probability of non-zero secrecy multicast capacity and the ergodic secrecy multicast capacity are derived in closed-form to illustrate the numerical results. Then the closed-form expression for the secure outage probability is obtained to examine the secure outage behaviour. Finally, a comparison between Weibull and Rayleigh fading channel is presented to demonstrate the impact of Weibull fading parameter on the secrecy performance of the proposed scenario.
In this paper, we consider the transmission of confidential message through Weibull fading single-input single-output (SISO) channel in the presence of multiple eavesdroppers. At first, we define perfect secrecy capacity in terms of secure outage probability and provide a complete characterization of the maximum transmission rate at which the eavesdroppers are unable to decode any information. Then, we find the average secrecy capacity for multicasting in the presence of multiple eavesdroppers. Finally, we find the closed-form expression for the secure outage probability to investigate the secure outage performance of Weibull fading SISO channel in the presence of multiple eavesdroppers and simulated ergodic secrecy multicast capacity for different fading parameters to observe the effect of diversity on the fading parameter.
In this paper, a secure wireless multicast network over k - μ fading channel is considered, where a source transmits secret information to a group of receivers. A group of eavesdroppers are also present in the network which are responsible for wiretapping the transmitted information. A perfect secrecy can be obtained if the eavesdroppers are not able to decode any information from the source. In order to investigate the secrecy capacity of the multicast network, at first a novel expression for Ergodic secrecy multicast capacity is derived in closed-form. The outage performance of the proposed network is analyzed obtaining the closed-form expressions of secure outage probability for multicasting. The effects of fading is determined and a beneficent insight is provided into investigating the secrecy performance of some other common fading scenarios such as Rician, Rayleigh, Nakagami-m, Gaussian etc. using the derived novel expressions of this paper. Monte-Carlo simulations are performed to validate the derived analytical expressions.
Multicasting over wireless channels is a challenging task now-a-days as conventional frameworks can not ensure the secrecy of transmitted information. Hence, in this paper, a secure multicast framework is presented over Generalized Nakagami-m fading channel in the appearance of multiple eavesdroppers and key concentration is given to the transmission of information at a secrecy rate so that no eavesdropper can decode any information from the multicast channels. The impact of the system parameters on the secrecy performance of proposed system is analyzed by obtaining closed-from mathematical expressions of some secrecy measures such as probability of nonzero secrecy multicast capacity and secure outage probability for multicasting. The generalization of the proposed model is achieved by obtaining Rayleigh, Nakagami- m, Gamma, Half-normal, Weibull, Exponential, etc. fading channels as a special case of Generalized Nakagami- m fading channel. Finally, the correctness of the derived expressions is authorized using Monte-Carlo simulations.
The issue of wireless security in Generalized gamma fading is considered in this paper with multiple eavesdropper present in the system. The analysis of security is performed based on the investigation of the parametric effects of Generalized gamma fading channel. The expressions for the measures of the security such as probability of positive secrecy capacity and the secure outage probability are derived in closed-form to facilitate the investigation of that parametric effects. Our results illustrates that the analysis of security in Generalized gamma fading channels introduces a conclusion about the effects of fading parameters in the security of Weibull, Rayleigh and Nakagami-m fading channels. Finally, the analytical results are verified via Monte-Carlo simulation.
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.
This paper concentrates on the analysis of security performance for transmitting confidential data from a source to multiple receivers over Generalized-K fading multicasting channel in the presence of multiple eavesdroppers. All the terminals are equipped with single antenna and all the channels are Generalized-K fading based on mixture gamma distribution. In order to investigate the effects of fading parameters imposed on the Generalized-K fading with mixture gamma distribution, we derive the closed-form analytical expressions for the probability of non-zero secrecy multicast capacity, ergodic secrecy multicast capacity and the secure outage probability for multicasting &. The derived analytical expressions are presented in terms of the fading parameters of Generalized-K fading with mixture gamma distribution so that they are helpful to understand the insight, how the security in multicasting can be enhanced adjusting the parameters of Generalized-K fading channels. Monte-Carlo Simulations have also been performed to validate the analytical results.