Analysis and Simulation of the Power of Laser Communication Acquisition Link in Air-Air Optical Communication

doi:10.3969/j.issn.1000-1093.2016.11.008

Abstract

Abstract: In order to study the effects of the key link and channel in air-air laser communication system on beacon power, the change of beacon power from laser emission to detector receiving is analyzed, and the simulation system of air-air optical communication acquisition link is established based on the relation between signal-to-noise ratio and detection probability of acquisition detector. A simulation system is used to analyze the detection probabilities under different atmospheric visibility. The required minimum transmitting power and maximum communication distance are analyzed with detection probability of 99%. The results show that the greater the transmitting power is, the more obvious the impact of atmospheric visibility on the detection probability of the air-air laser communication is. When the transmitting power is constant, the atmospheric visibility is higher, and the longest link distance is greater. When the transmitting power of beacon is 5 W and the ground atmospheric visibility is or more than 10 km, the relevant maximum communication link of 150 km can be achieved. The relationship between the transmitting power of beacon and the detection probability is explored by the simulation system. The field experiment is carried out on the basis of simulation, which could effectively simulate the acquisition and detection probability of air-air laser communication.

Key words: communication technology, air-air laser communication, acquisition link, atmospheric visibility, signal-to-noise ratio, detection probability

CLC Number:

TN929.12

XU Chun-feng, HAN Cheng, JIANG Hui-lin. Analysis and Simulation of the Power of Laser Communication Acquisition Link in Air-Air Optical Communication[J]. Acta Armamentarii, 2016, 37(11): 2015-2021.

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