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+// Exa 19.1
+// To calculate the hopping rate of bluetooth, No of bits transmitted in one slot, efficiency of packet transmission, and No of times a packet is sent.
+
+clc;
+clear all;
+
+SS=80; //Frame length of HV3 voice packet
+R=64*10^3; //Data rate in bps
+
+//solution
+TS=240; //No of bits carried in a slot
+//From table 19.3:Bluetooth air interface details, we get Frequency hopping rate as 1600hopes/second
+
+//From table 19.5, we can note that for HV3, No of slots are 1 and carry in all(80(user voice sample)+160(parity bits))=240 bits in one slot packet
+HR=1600; //hopes/second
+Eff=SS/TS;
+x=R/SS;  //x is number of times a packet is sent
+printf('Hopping rate is %d hopes/sec \n ',HR);
+printf('No of bits transmitted in one slot are %d \n ',TS);
+printf('Efficiency of packet transmission is %.4f \n ',Eff);
+printf('Number of times a packet is sent is equal to %d \n ',x);