Computation of Diffraction Parameter as a Function of Line of Site Percentage Clearance
Journal Title: Mathematical and Software Engineering - Year 2017, Vol 3, Issue 1
Abstract
In this paper, mathematical expression and method for computing diffraction parameter as a function of line of site percentage clearance is presented. The concept of line of site percentage clearance scaling factor is introduced. The scaling factor makes it possible to determine the diffraction parameter at different of line of site percentage clearances when the value of diffraction parameter is known at one particular line of site percentage clearance. Particularly, for Fresnel zone n and line of site percentage given as P_(c(x,n)), the diffraction parameter , V_((x,pc)) is given as V_((x,pc)) =(((√2 n)P_(c(x,n)) )/100). Also, for any two line of site percentages given as P_(c(x,n)(1)) and P_(c(x,n)(2)), the line of site percentage clearance scaling factor is given as (P_(c(x,n)(2))/(P_(c(x,n)(1)) )). If the diffraction parameter at P_(c(x,n)(1)) is given as V_((x,pc1) ), then the diffraction parameter at P_(c(x,n)(2)) is given as V_((x,pc2) )=V_((x,pc1) ) (P_(c(x,n)(2))/(P_(c(x,n)(1)) )). The mathematical expressions and method are applied to a 3 GHz microwave link with path length of 38887.6 m. The results obtained demonstrated the validity of the mathematical expressions and method presented in the paper.
Authors and Affiliations
Nathaniel Chimaobi Nnadi, Charles Chukwuemeka Nnadi, Ifeanyi Chima Nnadi
Keywords
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