Secure NLOS ultraviolet communication against active/passive eavesdropping attacks

Ambrish,; Chung, Yeon Ho

doi:10.1016/j.optcom.2021.127378

Cited by 3 publications

(2 citation statements)

References 16 publications

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“…Therefore, plotted results in Fig. 4 are quite intuitive and validate the equation derived in (17) i.e. increasing the value of P s should deteriorate the secrecy outage effect.…”

Section: Numerical Resultssupporting

confidence: 73%

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Security Performance Analysis of a NOMA-Assisted Underwater VLC System Under Imprecise Channel Estimations

et al. 2022

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The accurate estimation of underwater Visible Light Communication (VLC) channel conditions is challenging due to its widespread attenuation and scattering effects. The channel attenuation is a linear function of frequency and causes exponential signal power loss whereas due to the scattering effect, numerous photons are statistically generated as light beams strike water molecules and there arise security concerns. Assuming realistic underwater conditions, this paper investigates the security performance of a typical Non-Orthogonal Multiple Access (NOMA)-assisted underwater VLC system. It consists of a Floating Vehicle Transmitter (FVT), equipped with multiple Light Emitting Diodes (LEDs) to transmit the signal to two legitimate near-end and far-end Underwater Vehicles (UVs) in presence of an active/passive eavesdropper. The Channel State Information (CSI) of each transmitting link is estimated with the use of a Minimum Mean Square Error (MMSE) technique. Furthermore, we propose a LED selection mechanism to select an LED that can achieve the highest secrecy rate defined under the constraints of known and unknown CSI of legitimate and/or eavesdropping links. Using the Successive Interference Cancellation (SIC) technique, a novel closed-form secrecy outage probability expressions for the conventional single-LED and multi-LED NOMA-VLC links for both known and unknown CSI scenarios is derived. The security performance of the proposed multi-LED NOMA-VLC system is compared with the conventional single-LED NOMA-VLC system under the effect of air bubbles for both fresh and salty water. Finally, we verify the validity of the numerical results through Monte-carlo simulation analysis.INDEX TERMS Non-orthogonal multiple access, physical layer security, secrecy capacity, secrecy outage probability and underwater visible light communication.

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“…Therefore, plotted results in Fig. 4 are quite intuitive and validate the equation derived in (17) i.e. increasing the value of P s should deteriorate the secrecy outage effect.…”

Section: Numerical Resultssupporting

confidence: 73%

“…In this strategy, we consider that only the LED is transmitting the information and hence, in the first transmission phase for k = 1, the SOP at M 1 can be expressed as (17) where τ 1 = 2 Rs,1 . Using [30, 15), ( 14) and ( 17), the derived SOP expression for M 1 UV is given in (18), where G(.)…”

Section: A Sop Of Underwater Single-led Vlc Systemmentioning

confidence: 99%

Security Performance Analysis of a NOMA-Assisted Underwater VLC System Under Imprecise Channel Estimations

et al. 2022

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Secure NOMA-Assisted Multi-LED Underwater Visible Light Communication

Kumar¹,

Jayakody

2022

IEEE Trans. Veh. Technol.

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Possibility of compromising the security of free space optics communications caused by scattering on fog particles

Barcik¹,

Wilfert²

2022

Opt. Express

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The paper presents experimental verification of coexistence and entry into a free space optical link channel. A numerical model, which describes the properties of the LOS (Line of Sight) channel and NLOS (Non-Line of Sight) channel, was formulated and experimentally verified. Experimental work includes an outdoor fog experiment which confirms theoretical predictions. It has been shown that under certain optimal conditions (sufficient transmitting power, dense fog, optimal eavesdropper’s receiver distance and optimal angle between the eavesdropper’s receiver and the axis of the wireless optical link) unauthorized reception is possible.

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Secure NLOS ultraviolet communication against active/passive eavesdropping attacks

Cited by 3 publications

References 16 publications

Security Performance Analysis of a NOMA-Assisted Underwater VLC System Under Imprecise Channel Estimations

Security Performance Analysis of a NOMA-Assisted Underwater VLC System Under Imprecise Channel Estimations

Secure NOMA-Assisted Multi-LED Underwater Visible Light Communication

Possibility of compromising the security of free space optics communications caused by scattering on fog particles

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