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//Chapter 2, Example 2.7, page 39
clc
//Initialisation
f=7.5 //frequency in GHz
d=40 //link distance in Km
Pt=30 //transmitter power in dBm
La=15 //additional loss
Pth=-78 //RX threshold
//Calculation
FSL=92.4+(20*log10(f*d)) //FSL
RSL=Pt-(0.4*FSL)-La //RSL
FM=RSL-Pth //fade margin
//Result
printf("(1) Received signal level (RSL) = %.1f dBm",RSL)
printf("\n(2) Fade margin = %.1f dB",FM)
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