From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 2409/CH10/EX10.3/Ex10_3.sce | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100755 2409/CH10/EX10.3/Ex10_3.sce

(limited to '2409/CH10/EX10.3')

diff --git a/2409/CH10/EX10.3/Ex10_3.sce b/2409/CH10/EX10.3/Ex10_3.sce
new file mode 100755
index 000000000..57418a073
--- /dev/null
+++ b/2409/CH10/EX10.3/Ex10_3.sce
@@ -0,0 +1,38 @@
+funcprot(0)
+//Variable Declaration
+BER=10**-5  //Maximum allowable bit error rate
+
+//Calculation
+
+x=linspace(8,10,11)  //Eb/N0 ratio represented by x
+x1=x**0.5
+for i = 1:11
+   x(i)=10*log10(x(i))  //Converting x into decibels
+end
+
+erf=linspace(0,0,11)  //Initialization for erf function
+Pe=linspace(0,0,11)   //Initialization for Probablity of error
+
+
+for i = 1:10
+   k=integrate("exp(-t**2)",'t',0,x1(i))
+   erf(i)=k(1)*(2/%pi**0.5)    
+   Pe(i)=(1-erf(i))/2       //Probability of error
+end
+y=linspace(9,9.59,5)
+z=linspace(BER,BER,5)
+a=linspace(9.59,9.59,5)
+b=linspace(0,BER,5)
+plot(x,Pe)
+plot(y,z)
+plot(a,b)
+xlabel('','xdB','Pe(x)')
+
+x=9.6   //The Eb/N0 ratio for Maximum BER(dB) from the graph
+EbN0=x+2 //Eb/N0 ratio with implementation margin
+//Results
+
+printf("The Eb/N0 ratio with allowable BER of 10^-5 and implementation margin of 2dB is %.1f dB",EbN0)
+
+
+
-- 
cgit