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Analysis of Atmospheric Transmission Characteristics on the Bit Error Rate of Atmospheric Laser Communication System

Volume 14, Number 6, June 2018, pp. 1374-1381
DOI: 10.23940/ijpe.18.06.p30.13741381

Jin Guoa, Shao Lib, and Qinkun Xiaoc

aSchool of Electronic and Information Engineering, Xi’an Technological University, Xi’an, 710021, China
bChina North Vehicle Research Institute, Beijing, 100072, China
cSchool of Electronic and Information Engineering, Xi’an Technological University, Xi’an, 710021, China

(Submitted on March 2, 2018; Revised on April 9, 2018; Accepted on May 20, 2018)

Abstract:

The atmospheric transmission characteristics influence the information transmission of atmospheric laser communication system, increase the bit error rate, and reduce the information transmission reliability. Under the atmospheric attenuation effect, according to the relation of atmospheric transmittance and transmission distance and atmospheric visibility, this paper establishes the calculation model of bit error rate. Under the influence of atmospheric turbulence, in accordance with restricted relationship between the probability density of light intensity and the atmospheric turbulence intensity, a model of bit error rate is built. When atmospheric attenuation effect and atmospheric turbulence effect take up \ different weights in the atmospheric channel, by analysing the influence of atmospheric attenuation and atmospheric turbulence to bring about the bit error rate, a new model of bit error rate in atmospheric laser communication system is constructed. Through calculation and analysis, the results show that the main factor of influence of bit error rate is atmospheric turbulence effect; meanwhile, the impact of atmospheric attenuation is not negligible.

 

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