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Cooperative Diversity

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saeddawoud

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Hello,

What is the relation between cooperative diversity and orthogonal partitioning of the channel resource? and why?

Thanks in advance
 

I am not sure, but it sounds like sending different versions of a signal orthogonally in the wide-band and use maximum combining ration techniques to achieve the highest signal to noise ratio available in the channel. Because of orthogonality of the signal components in the frequency domain of the channel, components are independent from each other and thus have cooperating effect on each other. But I am not sure. It sounds like this. If you think I'm wrong please explain more.
 

Diversity is having multiple replicas of the same transmitted signal at receiver.
Cooperative Diversity is a way to do that with the help of other users in the surrounding.

This is only possible if users' signals can be seperated at the receiver, this is only possible if users use orthogonal channels....hence need orthogonal channels for their operation.
 

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