Re: [Discuss-gnuradio] in-band signaling & dependent packets (i.e., ACK generation)

[George Nychis]

From some discussion on comp.dsp, it seems as though I'm looking for a 
matched filter:
http://groups.google.com/group/comp.dsp/browse_thread/thread/f93d7867f74dbe95#0dc48f2a8ed09e07

If you see what I'm getting at, if I implement a matched filter in the 
FPGA (given that it does what I think it does ;)), I can detect incoming 
 frames without using the PHY layer.

Let's say that a simple requirement is this: the frame format must have 
the destination address directly after the framing sequence.  Therefore 
I could use the matched filter to detect incoming frames to my address 
in the FPGA using a single sequence, without the turnaround time to the 
host.

By doing this, I could generate ACKs much faster by storing 
pre-modulated data in the FPGA which is triggered.

- George