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+// Exa 17.3
+//Using trafﬁc data per cell for a GSM/GPRS network from Example 17.2
+// To calculate-
+// (a) data Erlangs,
+// (b) time slot utilization, and
+// (c) TS capacity.
+
+clc;
+clear all;
+
+Holdtime=120;//Average holding time during Busy Hours(in sec)
+Tx=3;// No of transreceivers
+TSsig=3;//No of TSs per cell for signaling
+RLC=0.80;//Radio link control efficiency
+Radioblocks=9000;//Total numbers of transmitted radio blocks
+TSdata=3;//TSs allocated for data trafﬁc per cell
+Datarate=15.5; //From eg 17.2
+Voicetraffic=8.82;  //From eg.17.2
+Duration=0.02;//Duration of block in sec
+
+//solution
+DataEr=Radioblocks*Duration/Holdtime;
+printf('Data Erlangs = %.1f \n ',DataEr);
+TSuti=DataEr/TSsig;
+printf('Time Slot(TS) utilization = %.1f \n ',TSuti);
+Throughput=(Datarate/TSdata)*RLC;
+TScap=Throughput/TSuti;
+printf("TS capacity is %.2f kbps \n ',TScap);