Study and Evaluation of the Performance of some Effective Wavelengths in Optical Wireless Communication Lasers
Abstract
This study presents an evaluation of the performance of two wavelengths (850-1250) nm by simulating an optical wireless communication link (transmitter - channel - receiver). In the beginning, a theoretical study was conducted of the structure of the optical wireless communication system in general, and the laser transmitters in particular. The study dealt with the most important inconveniences that the optical signal is exposed to during its propagation.
After that, it was proposed to design the studied link and perform the necessary simulations to evaluate the performance with changing the link parameters (channel length and channel attenuation Factor) for each of the studied wavelengths, which are (850-1250 nm), which are the wavelengths of the transmission windows used in optical wireless communications, and then they were compared Results to determine the best wavelength.
The study showed that the performance of the 850 nm wavelength is superior to the performance of the 1250 nm wavelength in terms of the maximum attenuation at which it can work with an acceptable link performance, and it is superior in terms of the maximum channel length at which the link operates when the attenuation Factor is constant.
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