UAV Covert Communication Strategy Based on Hybrid RF/FSO Link

Fig. 4. Transmit power for artificial interference under different conditions. (a) Variation in covert communication requirement; (b) variation in maximum transmit power

Download full size

Fig. 5. Link transmission rates under different covert communication requirements. (a) Proposed strategy; (b) baseline scheme

Download full size

Fig. 6. Link transmission rate under different maximum transmit powers. (a) Proposed strategy; (b) baseline scheme

Download full size

Fig. 7. UAV-Bob distribution area and specific deployment locations

Download full size

Table 1. Simulation parameters

View table

Table 1. Simulation parameters

Parameter	Value
Interference signal attenuation coefficient	$κ = 0.8$
RF channel power gain	$β_{r} = - 15$ dB
RF path loss factor	$α_{r} = 2$
RF link bandwidth	$B_{A B, r} = 3 M H z,$ $B_{B D, r} = 4 M H z$
Optical-electro conversion factor	$η = 0.5$
FSO path loss factor	0.43 dB/km
Turbulence correlation coefficient	$α_{f} = 2.296, β_{f} = 2$
Received optical power without pointing error	$A_{0} = 0.9907$ W
Pointing error factor	$ς = 6.7$
FSO link bandwidth	$B_{A B, f} = 1$ MHz
Field of view	$θ_{F o V} = 25$ mrad
AoA fluctuation variance	$σ_{a o} = 20$
Noise variance	$σ_{r}^{2} = σ_{f}^{2} = - 110$ dBm
UAV-Alice flight altitude	$h_{A} = 300$ m
UAV-Bob deployment position constraint	$\begin{array}{l} x_{B} \in [380 m, 420 m], \\ y_{B} \in [380 m, 420 m] \end{array}$
Ground receiving station location	$q_{D} = {[0 m, 0 m, 0 m]}^{T}$

Tools

Get Citation

Copy Citation Text

Xinkang Song, Xiang Wang, Xin Li, Shanghong Zhao, Xiwen Zhang, Haotong Fu. UAV Covert Communication Strategy Based on Hybrid RF/FSO Link[J]. Acta Optica Sinica, 2025, 45(8): 0806005

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Fiber Optics and Optical Communications

Received: Dec. 27, 2024

Accepted: Feb. 18, 2025

Published Online: Apr. 27, 2025

The Author Email: Xiang Wang (lleafwx626@126.com)

DOI:10.3788/AOS241948

CSTR:32393.14.AOS241948

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology