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From: Morris Vian on 28 Feb 2010 23:12
Hi,

I am using the "ricianchan" command to create my fading channel and then use the "filter" command to filter a baseband signal.

However, I am left wondering if this setup will accurately model the Doppler frequency spread. Since the Doppler frequency spread is function of the carrier’s center frequency, would I need to first modulate my baseband signal to RF frequencies, pass it through the channel and then demodulate it to baseband again? Should I then use the same settings for the ricianchan command as I used for the baseband case?

Is there a simpler way to include the carrier frequency into the model?

Thank you so much for your help.
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