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+clc;
+// page no 807
+// prob no 21.2
+N=12; m=120;
+a=20000;
+th=30;//in min/day this means
+H=0.5;
+tp=10;
+//part a)Calculation of the average and peak traffic in erlangs for the whole system
+// The average traffic is
+T=a*H/24;
+disp('E',T,'a) The average traffic is');
+// The peak traffic is 
+T1=(a*tp)/60;
+disp('E',T1,'The peak traffic is');
+//part b)Calculation of the average and peak traffic in erlangs for one cell
+// The average traffic per cell is
+t=T/m;
+disp('E',T,'b) The average traffic per cell is');
+// The peak traffic per cell is
+t=T1/m;
+disp('E',T1,'The peak traffic per cell is');
+// part c)
+// For average traffic at 3.47E, the blocking probability is much less than 1%, since the average no of call is much less than the no of channels. However, the blocking probability increases to just over 5%
+\ No newline at end of file