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// Example 3.9
// To analyze trunking efficiency capacity of sectoring and unsectoring
// Page 92
clc;
clear all;
// Given data
H=2/60; // Average call duration in hour
GOS=0.01; // Probability of blocking
// Unsectored system
C1=57; // Number of traffic channels per cell in unsectored system
A=44.2; // Carried traffic in unsectored system
calls1=1326; // Number of calls per hour in unsectored system from Erlangs B table
// 120 degree sectored system
C2=C1/3; // Number of traffic channels per antenna sector in 120 degree sectored system
calls2=336; // Number of calls per hour in 120 degree sectored system from Erlangs B table
Ns1=3; // Number of sectors
capacity=Ns1*calls2; // Cell capacity or number of calls handled by system per hour
dif=calls1-capacity; // decrease in cell capacity in 120 degree sectored system
percentdif=(dif/calls1)*100; // decrease in cell capacity in 120 degree sectored system in percentage
// Displaying the result in command window
printf('\n Cell capacity of unsectored system = %0.0f calls/hour',calls1);
printf('\n \n Cell capacity of 120 degree sectored system = %0.0f calls/hour',capacity);
printf('\n \n Decrease in cell capacity in 120 degree sectored system = %0.0f percent',percentdif);
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