w********g
发帖数: 171 | 1 Y1=X+N,
Y2=X+N+Z,
where X and N and Z are all independent of each other.
X is the signal (Gaussian if necessary), N is AWGN, Z can be some potential
interference (may not be Gaussian).
Is it true that I(X;Y1)>=I(X;Y2)? Why? Any comments will be appreciated!
多谢！ | B*B
发帖数: 87 | 2 Yes, it is true.
This is a 2-user AWGN broadcast channel model.
See Cover's book sec.14.6
potential
【在 w********g 的大作中提到】
: Y1=X+N,
: Y2=X+N+Z,
: where X and N and Z are all independent of each other.
: X is the signal (Gaussian if necessary), N is AWGN, Z can be some potential
: interference (may not be Gaussian).
: Is it true that I(X;Y1)>=I(X;Y2)? Why? Any comments will be appreciated!
: 多谢！
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