1 files changed, 18 insertions, 0 deletions
diff --git a/3446/CH6/EX6.4/Ex6_4.sce b/3446/CH6/EX6.4/Ex6_4.sce
new file mode 100644
index 000000000..fae08ba46
--- /dev/null
+++ b/3446/CH6/EX6.4/Ex6_4.sce
@@ -0,0 +1,18 @@
+// Exa 6.4
+// To calculate capacity and spectral efﬁciency of a TDMA system.
+
+clc;
+clear all;
+
+nb=0.9; //BW efficiency factor
+u=2;  // Bit Efficiency with QPSK
+Vf=1;  // Voice activity factor
+BW=12.5; //in MHz
+IR=16.2; // in kbps
+N=19; //frequency reuse factor
+
+//solution
+Nu=nb*u*BW*1000/(Vf*IR*N);// number of channels (mobile users) per cell
+Seff=int(Nu)*IR/(BW*1000);
+printf('Capacity of system is %d mobile users per cell\n ',Nu);
+printf('Spectral efficiency of TDMA system is %.3f bit/sec/Hz\n',Seff);