Re: [Discuss-gnuradio] OFDM / DAB demodulation

[Jens Elsner]

You are absolutely right - the matlab code is attached.
You can get my sample data (local radio station, 3 MBytes) from
http://www.1c3.de/dab_ml.dat.bz2.

Jens

On Sat, Apr 01, 2006 at 10:27:57AM -0500, Robert McGwier wrote:
> Why don't you allow us to provide you with help based on the reality as 
> opposed to conjecture.  Post your matlab scripts.  This "remote viewing" 
> exercise is inefficient.
> 
> 
> Bob
> 
> 
> 
> Jens Elsner wrote:
> >I resampled all the data to do a proof-of-concept. The frames are only a
> >small part
> >of the "chunk" variable. What I am getting is a fairly nice pi/4 DPSK.
> >Only that
> >in between OFDM Symbols (there are 76 in a frame) there is some sort of
> >random
> >phase jitter. And I am clueless what it could be. Frequency offset is
> >compensated,
> >the channel doesnt vary that fast.
> >
> >Jens
> >
> >  
> 
> 
> -- 
> AMSAT VP Engineering. Member: ARRL, AMSAT-DL, TAPR, Packrats,
> NJQRP/AMQRP, QRP ARCI, QCWA, FRC. ARRL SDR Wrk Grp Chairman
> Laziness is the number one inspiration for ingenuity.  Guilty as charged!
>

dabtest_ml.m
Description: Text document

prs.m
Description: Text document