In order to make the ultraviolet communication network meet the requirements of connectivity, energy saving, less
interference and fault tolerance, topology control technology is a very effective method to adjust the transmission power
of nodes. In reality, the application scenarios of wireless ultraviolet light communication are complex and changeable,
and the optimization goals of the network may also change accordingly. A fault-tolerant three-dimensional topology
control algorithm that is closer to the real environment is proposed in this paper. Under the premise of topology fault
tolerance, the algorithm can optimize the interference to the minimum when the interference has a large impact on the
network and can better consider energy saving when the interference impact is small.
Haze can affect the optical properties of the atmosphere, so it is necessary to study the UV (ultraviolet) polarization characteristics of haze for atmospheric optical communication. The research focus of this paper is as follows: Based on the single-scattering polarization model of ultraviolet light, the Mie scattering theory and the T-matrix method are used for research. The polarization degree of ultraviolet scattering between spherical and ellipsoidal haze particles with different radii, different real and imaginary parts is simulated. The results show that the smaller the effective radius of the particle and the real part of the complex refractive index or the larger the imaginary part of the complex refractive index, the greater the maximum linear polarization degree. For ellipsoidal particles, the smaller the particle deformation, the greater the maximum linear polarization.
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