Channel fading attenuation based on rainfall rate for future 5G wireless communication system over 38-GHz

Ibraheem A. Shayea, Salim A. Alkhawaldeh*, Mahdi A. Nisirat, Tharek A. Rahman, Mustafa Ergen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


In this paper, the effect of heavy rainfall on the propagation of a 38-GHz in a tropical region was studied and analyzed. Real measurement was collected, with a path length of 300 meters, for a (5G) radio linkage in Malaysia, installed at the Universiti Teknologi Malaysia (UTM) Johor Bahru campus. The employed system entails an Ericsson MINI-Link 38 E-0.6 mm, with a horizontal polarization (HP) antenna at the top integrated with a rain gauge and a data logger. Daily registered samples with a single minute span, for a full study period of 1 month, were collected and evaluated. The obtained rain rate was found as 56 mm/hr with a specific rain attenuation of 18.4 dB/km for 0.01% of the time. In addition to that, a calculated average rain attenuation of 5.5 dB for the transmission path of 300 meters length, was calculated. Based on these findings, a recommendation to update the International Telecommunication Union (ITU) specification of the rain attenuation for Malaysia is proposed. Based on the results, we suggest shifting the zone classification of Malaysia from zone P to zone N-P. Therefore, accurate design for future 5G systems would rely on more precise estimated attenuation levels leading to enhanced performance.

Original languageEnglish
Pages (from-to)5104-5113
Number of pages10
JournalInternational Journal of Electrical and Computer Engineering
Issue number5
Publication statusPublished - Oct 2022

Bibliographical note

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© 2022 Institute of Advanced Engineering and Science. All rights reserved.


  • 38 GHz link
  • 5G
  • Fading attenuation
  • Millimeter-wave propagation
  • Rainfall rate


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