diff options
Diffstat (limited to '3542/CH7/EX7.4/Ex7_4.sce')
| -rw-r--r-- | 3542/CH7/EX7.4/Ex7_4.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/3542/CH7/EX7.4/Ex7_4.sce b/3542/CH7/EX7.4/Ex7_4.sce new file mode 100644 index 000000000..68af60af1 --- /dev/null +++ b/3542/CH7/EX7.4/Ex7_4.sce @@ -0,0 +1,25 @@ +// Example no 7.4
+// To determine probability that the SNR will drop below threshold SNR
+// Page no. 383
+
+clc;
+clear all;
+
+// Given data
+M1=4; // Number of branch diversity
+M2=1; // Number of branch diversity
+gamm=10; // Specified SNR threshold in dB
+gamm=10^(gamm/10); // Specified SNR threshold
+Gamma=20; // Average SNR in dB
+Gamma=10^(Gamma/10); // Average SNR
+
+// Probability that the SNR will drop below 10dB when 4 branch diversity is used
+P4=(1-exp(-gamm/Gamma))^M1; // Probability that the SNR will drop below 10dB
+
+// Probability that the SNR will drop below 10dB when single branch diversity is used
+P1=(1-exp(-gamm/Gamma))^M2; // Probability that the SNR will drop below 10dB
+
+// Displaying the result in command window
+printf('\n Probability that the SNR will drop below 10dB when 4 branch diversity is used = %0.6f',P4);
+printf('\n Probability that the SNR will drop below 10dB when single branch diversity is used = %0.3f',P1);
+printf('\n \n From above results, it is observed that without diversity the SNR drops below the specified threshold with a probability that is three orders of magnitude greater \n than if four branch diversity is used.')
|