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Could someone explain to me or direct me to a source which explains how to find the correlation coefficient at each subcarrier in a multicarrier system, such as OFDM?
I know that the channel correlation matrix R_HH can be found by:
R_HH = E{H.H^T}
where H is the channel matrix and ^T is the...
Thanks David, I figured it out. I was confused because I thought that if you could new knew the exact channel information then you may as well consider your received signal as y=x+n.
What exactly does it mean when it says "Channel information is perfectly known at the receiver?".
Let's say that we have a channel with CIR h and additive Gaussian noise n. The transmitted training signal is expressed as a circular matrix S. Thus, the received signal is [Note: Lower-case...
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