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Diffstat (limited to '3542/CH3/EX3.9/Ex3_9.sce')
| -rw-r--r-- | 3542/CH3/EX3.9/Ex3_9.sce | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/3542/CH3/EX3.9/Ex3_9.sce b/3542/CH3/EX3.9/Ex3_9.sce new file mode 100644 index 000000000..fa6663ef6 --- /dev/null +++ b/3542/CH3/EX3.9/Ex3_9.sce @@ -0,0 +1,29 @@ +// 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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