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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /287/CH17 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '287/CH17')
| -rwxr-xr-x | 287/CH17/EX17.1/Exa17_1.sci | 8 | ||||
| -rwxr-xr-x | 287/CH17/EX17.2/Exa17_2.sci | 25 |
2 files changed, 33 insertions, 0 deletions
diff --git a/287/CH17/EX17.1/Exa17_1.sci b/287/CH17/EX17.1/Exa17_1.sci new file mode 100755 index 000000000..73f448164 --- /dev/null +++ b/287/CH17/EX17.1/Exa17_1.sci @@ -0,0 +1,8 @@ +//Determine the mean STP message transfer time using ITU-T recommendations
+
+Tph = 22;
+Tod = 8.2;
+
+t = Tph + Tod ;
+
+disp(t, 'STP Message Transfer Time (in ms)')
\ No newline at end of file diff --git a/287/CH17/EX17.2/Exa17_2.sci b/287/CH17/EX17.2/Exa17_2.sci new file mode 100755 index 000000000..8c0a41a21 --- /dev/null +++ b/287/CH17/EX17.2/Exa17_2.sci @@ -0,0 +1,25 @@ +//Determine the no. of circuits for en bloc signaling and overlap signaling
+
+S = 0.7;
+Hs = 150;
+U = 1-S;
+Hu = 20;
+
+SC = 0.8;
+
+Ns = 11;
+Nu = 4;
+
+D = S*Hs + U*Hu ;
+BHCA = (3600*SC)/D; //Using value from table - 3600
+N = Ns*S + Nu*U ;
+M1 = ( (95/2)*S + (63/2)*U ); //From Table given
+M2 = ( (114/2)*S + (63/2)*U );
+N1 = (8000*3600*0.2)/(M1*BHCA);
+N2 = (8000*3600*0.2)/(M2*BHCA);
+
+disp(D, 'Mean duration of a call (in s)')
+disp(BHCA, 'No. of Busy Hour Call Attempts (BHCA) per circuit')
+disp(N+0.1, 'Mean no. of digits dialed per call (apprx.)')
+disp(N1, 'No. of circuits serviced by En Bloc Signalling');
+disp(N2, 'No. of circuits serviced by Overlap Signalling');
\ No newline at end of file |