From f35ea80659b6a49d1bb2ce1d7d002583f3f40947 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:38:01 +0530 Subject: updated the code --- 116/CH9/EX9.1/exa9_1.sce | 43 +++++++++++++++++++++---------------------- 1 file changed, 21 insertions(+), 22 deletions(-) (limited to '116/CH9/EX9.1/exa9_1.sce') diff --git a/116/CH9/EX9.1/exa9_1.sce b/116/CH9/EX9.1/exa9_1.sce index b53df56f5..45d170984 100755 --- a/116/CH9/EX9.1/exa9_1.sce +++ b/116/CH9/EX9.1/exa9_1.sce @@ -1,23 +1,22 @@ - -//Caption:Progam to determine the probability of maximum interference of a 64 channel CDMA system - -//Example 9.1 - -//Page 447 - -disp('The probability of 63 destructive interferers is merely the probability of occurence of 63 equally likely binary events,') - -Pmax=(0.5)^63//maximum probability - -disp('The value of a desired receive signal is the autocorrelation of a codeword with itself and can therefore be represented as a value of 64. ') - -disp('The mean and varience of a sum of 63 such variable are 0 and 63, respectively. The signal-to-interference ratio is now determined as,') - -a=[(64^2)/63] - -SIR=10*log10(a) - -//Result - -//Signal to interference ratio = 18.1 dB + + +//Example 9.1 + +//Page 447 + +disp('The probability of 63 destructive interferers is merely the probability of occurence of 63 equally likely binary events,') + +Pmax=(0.5)^63//maximum probability + +disp('The value of a desired receive signal is the autocorrelation of a codeword with itself and can therefore be represented as a value of 64. ') + +disp('The mean and varience of a sum of 63 such variable are 0 and 63, respectively. The signal-to-interference ratio is now determined as,') + +a=[(64^2)/63] + +SIR=10*log10(a) + +//Result + +//Signal to interference ratio = 18.1 dB \ No newline at end of file -- cgit