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Recent Advances in Electrical & Electronic Engineering (Formerly Recent Patents on Electrical & Electronic Engineering)

Physical Layer Security over SIMO κ-μ Shadowed Fading Channels

Jiangfeng Sun, Xingwang Li, Yuan Ding, Jianhe Du

Published Nov 8, 2019• 2 citations

Abstract

Background: Due to the openness of wireless fading channel, it is easy to be disturbed by other transmission signals and noises. Encryption and decryption can guarantee the security of signals, and Physical Layer Security (PLS) which uses the features of fading channels itself to ensure the security of signal transmission has also been widely concerned. In addition, considering the wide applications of κ-μ shadowed distribution model and the advantages of Multiple-Input Multiple- Output (MIMO) technology, the confidentiality over Single-Input Multiple-Output (SIMO) independent κ-μ shadowed model has been studied. Objective: To introduce the factors affecting the confidentiality on SIMO independent κ-μ shadowed model. Methods: Novel representations of the lower bound on SPSC and SOP are deduced over independent κ-μ shadowed model. The method of moment matching to deal with infinite series is adopted. Results: Through theoretical simulation and statistical simulation, the validity of our analysis is verified. We also get the curves for SOP and SPSC when the parameters of the channel change. Conclusion: Under the condition of larger P, large L , large μD, large mDand small kDcan improve the secrecy performance on independent κ-μ shadowed network.

DOI: 10.2174/2352096512666191108094202

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Background: Due to the openness of wireless fading channel, it is easy to be disturbed by other transmission signals and noises. Encryption and decryption can guarantee the security of signals, and Physical Layer Security (PLS) which uses the features of fading channels itself to ensure the security of signal transmission has also been widely concerned. In addition, considering the wide applications of κ-μ shadowed distribution model and the advantages of Multiple-Input Multiple- Output (MIMO) technology, the confidentiality over Single-Input Multiple-Output (SIMO) independent κ-μ shadowed model has been studied. Objective: To introduce the factors affecting the confidentiality on SIMO independent κ-μ shadowed model. Methods: Novel representations of the lower bound on SPSC and SOP are deduced over independent κ-μ shadowed model. The method of moment matching to deal with infinite series is adopted. Results: Through theoretical simulation and statistical simulation, the validity of our analysis is verified. We also get the curves for SOP and SPSC when the parameters of the channel change. Conclusion: Under the condition of larger P, large L , large μD, large mDand small kDcan improve the secrecy performance on independent κ-μ shadowed network.

Secrecy Performance Analysis of SIMO Systems Over Correlated

\kappa

–

\mu

Shadowed Fading Channels

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In this paper, we analyze the secrecy performance of single-input multiple-output (SIMO) relay systems over κ-μ shadowed fading channels.Based on considering relay model employing decode-and-forward (DF) protocol, two security evaluation metrics, namely, secure outage probability (SOP) and probability of strictly positive secrecy capacity (SPSC) are studied, for which closed-form analytical expressions are derived.In addition, Monte Carlo results prove the validity of the theoretical derivation.The simulation results confirm that the factors that enhance the security include large ratio of ( ) ,

On Physical-Layer Security Over SIMO Generalized-

K

Fading Channels

In this paper, the physical layer security (PLS) under the double shadowed κ-μ fading channel is investigated. Being a composite fading channel model, it is a realistic representation of the propagation environment in which wireless signals experience a complex interplay of different phenomena. The mathematical statements of the secrecy outage probability (SOP) and the probability of non-zero secrecy capacity (PNSC) have been investigated by considering one legitimate receiver and one eavesdropper listening to the source transmitting confidential information. Based on the obtained mathematical expressions, the secrecy performance metrics are analysed and the results are plotted for both the SOP and the PNSC. It can be observed that as the signal-to-noise ratio (SNR) of the legitimate user increases, the SOP reduces and the secrecy capacity increases for the double shadowed κ-μ distributions.

In this paper, we analyze the security capability of single-input multiple-output wireless transmission systems over k-μ shadowed fading channels in the presence of multiple eavesdroppers. Our security analysis relies on an important standard, i.e., average secrecy capacity which is more difficult and suitable for analyzing active eavesdropping scenario than secure outage probability and probability of strictly positive secrecy capacity. The novel expression of average secrecy capacity over k-μ shadowed fading channels with multiple eavesdroppers is deduced. The results of Monte Carlo simulation fully prove the correctness of our theoretical derivation. Through the obtained results, we observe that large antenna quantity in the highest signal-to-noise ratio regime, small number of the eavesdroppers, and small signal-to-noise-ratio of eavesdropping link will enhance confidentiality of the system under consideration.

The Performance of Physical Layer Security over

K

Fading SIMO Channel

The wireless communication services are developing rapidly, but the vulnerability of its broadcast is often eavesdropped and attacked by an illegal third party, which poses a huge challenge for secure transmission. Traditional upper-layer protocols and tools have inherent loopholes and difficulties in key distribution and management. However physical layer security technology has become an important technology to the assurance of information security by its simple algorithms and better practicability. In this paper, based on the secure performance of single-input multiple-out (SIMO) Wyner's wiretap model over K fading channels, the closed-form expressions for average secrecy capacity (ASC), secure outage probability (SOP) and the probability of strictly positive secrecy capacity (SPSC) are derived. The theoretical analysis and Monte Carlo simulation prove that the results are consistent and feasible, with an important role in restraining illegal interception and attack.