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// Example no 4.11
// To find the mean path loss
// Page no. 166
clc;
clear;
// Given data
d0=1; // Reference distance in m
d=30; // Distance from transmitter in m
nSF=3.27; // Exponent value for same floor
nMF=5.22; // Path loss exponent value for multiple floors
FAF=24.4; // Floor attenuation factor for specified floor in dB
n=2; // Number of blocks
PAF=13; // Particular attenuation factor for paricular obstruction in dB
PLSFd0=31.5; // Attenuation at reference distance for same floor in dB
PLMFd0=5.5; // Attenuation at reference distance for multiple floor in dB
//Mean path loss at same floor
PL1=PLSFd0+10*nSF*log10(d/d0)+FAF+n*PAF;
//Mean path loss at multiple floor
PL2=PLMFd0+10*nMF*log10(d/d0)+n*PAF;
//Displaying the result in command window
printf('\n The mean path loss at same floor = %0.1f dB',PL1);
printf('\n The mean path loss at multiple floor = %0.1f dB',PL2);
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