ASSESSMENT OF THE IMPACT OF DURABLE RAIN PROPAGATION LOSSES ON MOBILE CELLULAR TERRESTRIAL LINKS IN JOS-NIGERIA

O. J. Igbekele, E. P. Ogherohwo, B. J. Kwaha, J. T. Zhimwang

Abstract


This paper presents the assessment of the impact of long-lasting rain propagation losses on mobile cellular terrestrial links in Jos.The cell site locations were divided into two clusters of Jos highland and Jos lowland. Davis weather station equipment was used in the measurement of rainfall rates for the period of April to September 2017. Microsoft Excel application package was used to analyze the rain data to obtain percentage of time exceedance of rain rate and signal losses. The month of July 2017 recorded the highest cumulative signal losses of 919.907dB under 68.0 hours for lowland cluster, with 83% of the losses caused by lower rain intensity (below 50mm/h) that prevailed for a longer period and a total of 393.532dB signal losses in highland cluster with 81.2% of the losses caused by lower rain intensity (below 50mm/h) that also prevailed for a longer period. The results obtained revealed that Jos lowland cluster experience high amount of rainfall causing severe signal losses than the highland cluster that experience low amount of rainfall. The result further revealed that a signal loss is not only based on higher rain intensity but lower rain intensity that prevailed for a longer period, as rain attenuated signal losses were not only experienced at higher rainfall intensities between 0.01 and 0.001 percentage of time exceedance but also for longer low intensities of rainfall over a period of time.

Keywords: Rain rate, Rain duration, Mobile cellular Network, Received Signal Levels and Propagation losses


Full Text:

PDF

Refbacks

  • There are currently no refbacks.