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M-PAM and M-ASK

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Manisha Mehra
Manisha Mehra 2011-4-1
Hi
I have to do M-PAM and M-ASK for transmitting a sequence of 0 and 1 which I obtained by Huffman coding of an image. Now, I have to use rectangular pulses p(n)of constant amplitude. I have to generate something like
u(n)=[?I(k)?(n-kN)]*p(n) and k=0toK-1;
I(k) are the discrete amplitudes given by 2i-1-M (M= # of symbols)
  • is the convolution
K= # of transmitted symbols
N= symbol period
In case of ASK, p(n) will be multiplied by a cosine pulse
I will really appreciate if someone can help me.
Thanks in advance.
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Manisha Mehra
Manisha Mehra 2011-4-1
Oh!
the first question mark is a summation over k
and second is a dirac delta

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