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Re: [Discuss-gnuradio] Questions regarding hierarchical polyphase channe


From: Ben Reynwar
Subject: Re: [Discuss-gnuradio] Questions regarding hierarchical polyphase channelizer
Date: Thu, 17 Nov 2016 21:07:42 -0700

So I reacquainted myself with the hierarchical implementation again,
and you're correct that it doesn't support oversampling.

Looking at the regular version it seems that the main thing required
to support oversampling would be that the logic determining which
input samples go into which filter, and then how the filter outputs
are fed into the FFT gets more complicated.  You'd have to go through
the regular version, work out how the oversampling effects the
connections between the input/filters/fft/output and then implement
new signal processing blocks to take care of this more complicated
plumbing.  The new plumbing blocks could then be included in the
hierarchical decoder.



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