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Re: [Discuss-gnuradio] in-band signaling & dependent packets (i.e., ACK
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From: |
Brian Padalino |
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Subject: |
Re: [Discuss-gnuradio] in-band signaling & dependent packets (i.e., ACK generation) |
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Date: |
Sun, 13 Jan 2008 17:07:27 +0000 |
On Jan 12, 2008 6:01 PM, George Nychis <address@hidden> wrote:
> Would any of the FIR filters that already exist in GR be appropriate? I
> could then perform the cross-correlation on the output of the block.
If you just give your known coefficients to the filter, then it really
just performs the cross-correlation for you. The magnitude of the
complex output would be the correlation, and the phase would be a good
indicator of how off your symbol timing is from optimal sampling.
Does that answer your question?
Brian