| Popis: |
Free-space optics, being an optical wireless communication, uses the concept of light propagation in free space for data transmission between two points and is progressing as competitive and efficient alternative to optical fiber links or RF system. Being a favorable optical wireless communication technology, radio over free-space optics (RoFSO) has proved to be of great significance in various applications in telecommunication including 5G networks. High speed and data rate, large bandwidth, low consumption of energy, and unlicensed spectrum are some of the advantages of this technology. As the technology is based on an unguided medium, atmospheric weather affects the transmission of data through the FSO wireless communication. Varying climatic depletion factors including cloudiness, downpour, and haze conditions attenuate the transmitted signal and degrade its quality. Rain is considered as the significant cause of constriction causing degradation in the transmission of signal. This paper mainly focuses on the characterization of attenuation in a millimeter waves RoFSO link for 5G applications. Received signal quality has been evaluated in terms of Q factor and eye diagram patterns under different downpour conditions. |
