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QUALITY ANALYSIS OF THE COMBINED MODELS OF FIBER-OPTIC COMMUNICATION SYSTEMS FUNCTIONING
Abstract
The paper solves the actual problem of assessing the quality of data transmission over atmospheric optoelectronic communication lines in computer networks. The topologies of the simplex infrared data transmission channel are analyzed. The calculation of the optical system is reduced to determining the fraction of the radiated infrared power that falls on the photodetector. The total loss of the optical information signal is determined due to the mismatch of the parameters of the transmitter and receiver of the infrared atmospheric channel (IAC). The criteria of quality of perception (Quality of Experience) by users of content during its transmission over atmospheric optoelectronic communication lines in computer networks are reviewed and systematized. The results of the comparison of the characteristics obtained using analytical and simulation models of data transmission are presented. Optical power is determined by numerical integration. A model for assessing the quality of service for various access technologies is proposed, taking into account the methods of allocating radio channel resources in a centralized wireless network.
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