Author:Â Kalyan Paul
Abstract:Â
The signal attenuation through rain with various rainfall rates at millimeter wave (30 GHz to 300 GHz) and THz frequency (> 300 GHz) is concentrated in this paper. How to mitigate this rain attenuation is the main objective of this paper. Cellular technology is moving towards its 5th generation (5G) that will employ millimeter wave (mm Wave) frequency and Beyond 5G (B5G) in this THz frequency to meet the requirements of muscular development of interest for high information or data rate communications and swiftly expanding spread of personal communication devices such as smart phones and personal computer. Different atmospheric impairments induce disruption makes this frequency unreliable for short range wireless communication system. Among these impairments, rain attenuation is the most severe one. In this paper various raindrop size distribution model is discussed to calculate the measurement of rain attenuation along with the method of macroscopic diversity is proposed to mitigate this attenuation.
Keywords:Â Rain attenuation, Millimeter, THz, Raindrop size distribution, M-P distribution, Weibull distribution, Diversity
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