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Research Article Open access CC BY 4.0

Estimating the Effect of Copolar Attenuation Caused by Rain Events on Radio Wave Propagation

C. K. Ojoba, J. T. Zhimwang, E. P. Ogherohwo, E. Enaibe

Asian Journal of Research and Reviews in Physics · pp. 21–26 · Published 19 Apr 2024

10.9734/ajr2p/2024/v8i2161

Abstract

This study investigates the impact of different rain classifications and elevation angles on copolar attenuation, a critical factor influencing radio wave propagation in communication systems operating in adverse weather conditions. Using data collected over the years 2021 and 2022 in Warri, Delta State of Nigeria. Copolar attenuation values at 400 and 600 elevation angles were analyzed across various rain classifications, including Drizzle, Widespread, Shower, Cloudburst, and Extreme Cloudburst. The results highlight that higher intensity rain events, such as Cloudburst and Extreme Cloudburst, lead to significantly greater copolar attenuation compared to lower intensity rain classifications. Furthermore, the sensitivity of copolar attenuation to elevation angle is observed, with higher angles generally associated with lower attenuation values. These findings underscore the importance of considering rain intensity and elevation angle in the design and operation of communication systems to mitigate the effects of rain-induced attenuation and ensure reliable signal transmission. By optimizing antenna placement and orientation and employing adaptive communication techniques, such as adaptive modulation and coding, communication networks can be better equipped to maintain connectivity in challenging weather conditions.

Copolar attenuation radio wave propagation elevation angle communication systems rain intensity antenna optimization adaptive communication techniques

References (11)

  1. 1 Cascade Forward Neural Networks-based Adaptive Model for Real-time Adaptive Learning of Stochastic Signal Power Datasets [DOI]
  2. 2 Analysis of Frequency and Polarization Scaling on Rain Attenuated Signal of a KU-Band Link in Jos, Nigeria. [DOI]
  3. 3 Evaluation Of Signal Strength And Quality Of A Ku-Band Satellite Downlink During Raining Season In Guinea Savanna Region Of Nigeria [DOI]
  4. 4 Effect of the Variation of Atmospheric Refractive Index on Signal Transmission for Digital Terrestrial Television in Jos, Nigeria [DOI]
  5. 5 Performance Analysis of the Impact of Rain Attenuated Signal on Mobile Cellular Terrestrial Links in Jos, Nigeria [DOI]
  6. 6 Nigeria Digital Terrestrial Television Broadcasting: An Evaluation of the Transmitted Signal received under different environmental features in North-Central Region [DOI]
  7. 7 Microwave Measurement [DOI]
  8. 8 Characterization of Worst Month Statistics for Satellite-Earth Links Performance in Tropical Locations [DOI]
  9. 9 Computational Analysis of Cross Polarization on KU-Band Satellite Links over Jos, Nigeria
  10. 10 International Journal of Scientific and Research Publications [DOI]
  11. 11 Protocol of communications for VORSat satellite [DOI]

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