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Shannon's Equation

  1. Sep 1, 2009 #1
    1. The problem statement, all variables and given/known data

    Question 1: Using a computer and whatever language to compute the capacity of the following AWGN channel.


    My attempt at the problem...
    I used Matlab to try to numerically integrate

    y=
    @(x)0.3*log2(1+100/0.3*x)
    c1 = quad(y,0,.3)
    c1 =0.4754
    y2 = @(x)0.7*log2(1+1900/0.7*x−719.29)
    c2 = quad(y2,.3,1)
    c2 = 4.7733
    c3 = 2*log2(1+2000)
    c3 =21.9330
    y3 = @(x)1*log2(1+(−2000/1*x+8000))
    c4 = quad(y3,3,4)
    c4 =9.5293
    c = c1 + c2 + c3 + c4
    c=36.7110

    this is incorrect though because my professor says that the answer is between 40 and 45 kbps
     

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  2. jcsd
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