[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Discuss-gnuradio] HDTV Receiver and additional hardware
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] HDTV Receiver and additional hardware |
Date: |
Mon, 6 Nov 2006 12:37:24 -0800 |
User-agent: |
Mutt/1.5.9i |
On Mon, Nov 06, 2006 at 03:14:44PM -0500, Chuck Swiger wrote:
> On Mon, 2006-11-06 at 09:34 -0800, Eric Blossom wrote:
> > Chuck,
> >
> > Can you please remind me where the ATSC Rx porting effort got stuck?
> > What's the immediate problem that needs to be solved?
>
> Everything from antenna to the "bit timing loop" can be done in
> 2.x, including fpll. The bit timing loop, field sync checker,
> equalizer and demultiplexor do not work in 2.x, altho a vain attempt
> at porting has been checked in. Those "compile and run" but are broken.
> The "grind on the data" modules that don't really have anything
> to do with signal processing are all ported to 2.x: de/randomizer,
> rs-de/encoder, de/interleaver and trellis/viterbi all qa test and
> work great.
>
> On the transmit side, field sync mux, symbol mapper and weaver
> modulator head/tail are not ported.
>
> So the immediate issue is getting bit-timing-loop finished, or
> starting over on it correctly.
>
> --Chuck
Thanks!