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/CH14/EX14.8/Ex14_8.sce | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100755 2409/CH14/EX14.8/Ex14_8.sce

(limited to '2409/CH14/EX14.8')

diff --git a/2409/CH14/EX14.8/Ex14_8.sce b/2409/CH14/EX14.8/Ex14_8.sce
new file mode 100755
index 000000000..44a7f31a3
--- /dev/null
+++ b/2409/CH14/EX14.8/Ex14_8.sce
@@ -0,0 +1,21 @@
+
+//Variable Declaration
+
+BIF=36   //Bandwidth of channel over which carriers are spread(MHz)
+R=0.4  //Rolloff factor for filtering
+Rb=64   //Information bit rate(kb/s)
+BER=10**-5  //Bit error rate required
+EbN0R=9.6 //Eb/N0 ratio for BER given from Fig.10.18
+
+//Calculation
+
+Rch=BIF*10**6/(1+R) //Rate of unspreaded signal(chips/s)
+Gp=Rch/(Rb*10**3)     //Processing gain
+Gp1=round(10*log10(Gp))  //Processing gain(dB)
+EbN0R1=10**(EbN0R/(10))  //Converting Eb/N0 into ratio
+K=1+(1.4*Gp/EbN0R1)  //Number of channels
+K=floor(K)
+
+//Result
+printf("The Processing Gain is %.f dB",Gp1)
+printf("An estimate of maximum number of channels that can access the system is %.f",K)
-- 
cgit