I am a telecom engineer so my mom asked me to fix our telephone at home, it doesn't ring properly.
I studied electrical engineering, so some friends asked me to check the electrical circuits at their house.
It took me about a whole Summer to understand that (during my master's): X=HS ,
where X is a matrix of the received signals, H is the matrix of the channel gains (assuming block-fading) and S is the matrix of transmitted signals during a frame-time. I mean to understand all the concepts related to that equation.
If they can put their problem into that form, maybe I can solve it, but even then, I wonder how useful will the solution be ...
So, please, if you have a (real) problem, call an electrician. That would avoid a disaster ....
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