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+// Exa 11.1
+// To calculate the processing gain and improvement in information rate.
+
+clc;
+clear all;
+
+CR1=1.2288; //Mcps(Clock rate 1)
+CR2=5;//Mcps(Clock rate 2)
+R1=9.6; //Information rate in Kbps for CR1
+PG2=256;  //Processing Gain for CR2
+
+//solution
+PG1=10*log10(CR1*10^3/9.6);//Processing Gain for CR1
+R2=CR2*10^3/PG2;//information rate in Kbps for CR2
+printf('The processing gain for clock rate 1.2288Mcps is %d dB\n ',PG1);
+printf('Improvemrnt in information rate is %.2f Kbps\n',R2-R1);