Digital Signal Processing Reference
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Find an example of total power
p
0
such that exactly two out of the three
scalars
σ
f,k
in the water-filling formula (6.97) are nonzero. What is the
maximized mutual information?
6.10.
With all other quantities as in Problem 6.9, find an example of total power
p
0
such that
σ
f,k
is nonzero for all three
k.
What is the maximized mutual
information in your example?
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