Meteorological Characterization of Effective Earth Radius Factor (k-Factor) for Wireless Radio Link Over Akure, Nigeria

A. T. Adediji, Mandeep Singh Jit Singh, Mahamod Ismail

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The propagation loss on a terrestrial line-of-sight wireless link is influenced by atmospheric and seasonal conditions. The reliability of the link is also affected by k-factor values which is usually taken as 4/3 in regions where there is dearth of data; however, this value can only be used for gross planning. Therefore, it is important to determine its average and effective value for adequate path engineering because its value depends on local climatic conditions and it is terrain specific. In this study, k-factor values for the entire seasonal cycle within 2007-2009 in Akure are analyzed. The work is aimed at observing the distribution of k-factor and its influence on terrestrial point to point, line-of-sight radio link over Akure, south western Nigeria. From the study therefore, an average value of -63.22 N-units/km and 1.50 were obtained for refractivity gradient and k-factor respectively. Also, super-refractive condition was deduced to be mostly prevalent at higher antenna heights of 100-150 m.

Original languageEnglish
Pages (from-to)131-141
Number of pages11
JournalMapan - Journal of Metrology Society of India
Volume29
Issue number2
DOIs
Publication statusPublished - 2014

Fingerprint

Nigeria
radii
line of sight
meteorology
planning
antennas
engineering
refractivity
gradients
cycles
propagation

Keywords

  • k-Factor
  • Line-of-sight
  • Refractive index
  • Troposphere
  • Wireless link

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

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title = "Meteorological Characterization of Effective Earth Radius Factor (k-Factor) for Wireless Radio Link Over Akure, Nigeria",
abstract = "The propagation loss on a terrestrial line-of-sight wireless link is influenced by atmospheric and seasonal conditions. The reliability of the link is also affected by k-factor values which is usually taken as 4/3 in regions where there is dearth of data; however, this value can only be used for gross planning. Therefore, it is important to determine its average and effective value for adequate path engineering because its value depends on local climatic conditions and it is terrain specific. In this study, k-factor values for the entire seasonal cycle within 2007-2009 in Akure are analyzed. The work is aimed at observing the distribution of k-factor and its influence on terrestrial point to point, line-of-sight radio link over Akure, south western Nigeria. From the study therefore, an average value of -63.22 N-units/km and 1.50 were obtained for refractivity gradient and k-factor respectively. Also, super-refractive condition was deduced to be mostly prevalent at higher antenna heights of 100-150 m.",
keywords = "k-Factor, Line-of-sight, Refractive index, Troposphere, Wireless link",
author = "Adediji, {A. T.} and {Jit Singh}, {Mandeep Singh} and Mahamod Ismail",
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AU - Adediji, A. T.

AU - Jit Singh, Mandeep Singh

AU - Ismail, Mahamod

PY - 2014

Y1 - 2014

N2 - The propagation loss on a terrestrial line-of-sight wireless link is influenced by atmospheric and seasonal conditions. The reliability of the link is also affected by k-factor values which is usually taken as 4/3 in regions where there is dearth of data; however, this value can only be used for gross planning. Therefore, it is important to determine its average and effective value for adequate path engineering because its value depends on local climatic conditions and it is terrain specific. In this study, k-factor values for the entire seasonal cycle within 2007-2009 in Akure are analyzed. The work is aimed at observing the distribution of k-factor and its influence on terrestrial point to point, line-of-sight radio link over Akure, south western Nigeria. From the study therefore, an average value of -63.22 N-units/km and 1.50 were obtained for refractivity gradient and k-factor respectively. Also, super-refractive condition was deduced to be mostly prevalent at higher antenna heights of 100-150 m.

AB - The propagation loss on a terrestrial line-of-sight wireless link is influenced by atmospheric and seasonal conditions. The reliability of the link is also affected by k-factor values which is usually taken as 4/3 in regions where there is dearth of data; however, this value can only be used for gross planning. Therefore, it is important to determine its average and effective value for adequate path engineering because its value depends on local climatic conditions and it is terrain specific. In this study, k-factor values for the entire seasonal cycle within 2007-2009 in Akure are analyzed. The work is aimed at observing the distribution of k-factor and its influence on terrestrial point to point, line-of-sight radio link over Akure, south western Nigeria. From the study therefore, an average value of -63.22 N-units/km and 1.50 were obtained for refractivity gradient and k-factor respectively. Also, super-refractive condition was deduced to be mostly prevalent at higher antenna heights of 100-150 m.

KW - k-Factor

KW - Line-of-sight

KW - Refractive index

KW - Troposphere

KW - Wireless link

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