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//Exa 2.5
//To find traffic intensity in Erlangs and CCS.
//Refer-Table 2.1(page No 28): Traffic data used to estimate traffic intensity
clc;
clear all;
time=90; //in minutes
calls=10; //no of calls in 90mins
//solution
CR=calls/(time/60); //call arrival rate in calls/hour
tavg=(60+74+80+90+92+70+96+48+64+126)/10; //average call holding time in sec per call
I= CR*(tavg/3600); //traffic intensity in Erlangs
printf('Traffic Intensity is %.3f Erlangs = %.2f CCS \n ',I,I*36);
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