initial commit / add all books

2 files changed, 35 insertions, 0 deletions

diff --git a/3446/CH19/EX19.1/Ex19_1.sce b/3446/CH19/EX19.1/Ex19_1.sce
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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);

diff --git a/3446/CH19/EX19.2/Ex19_2.sce b/3446/CH19/EX19.2/Ex19_2.sce
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index 000000000..8e9d8eb32
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+// Exa 19.2

+// To find the associated data rate.

+

+clc;

+clear all;

+

+R=136; // bits per slot

+SR=800; // no of slots per second

+

+//solution

+// A symmetric 1-slot DM1 link is setup  between a master and a slave

+AR=R*SR; //Data rate in bps

+

+printf('Associated data rate is %0.1f kbps \n ',AR/1000);