Re: [oc] RS Codec

["Brian Edmonston" <brian@edmonston.com>]

----- Original Message -----
From: Nanda Kumar K.G <nanda@cdotb.ernet.in>
To: <cores@opencores.org>
Sent: Tuesday, June 13, 2000 1:08 AM
Subject: Re: [oc] RS Codec


> yeah , that's fine. i have intelsat specs for IDR modems , we can just
> take mod , demod portion of the specs and try an all digital
> implementation , did u think abt testing , simulation and other stuffs ?
> how shall we do it ?

Well, I was hoping to build a bit exact c model first.  We could use that to
generate test vectors.  For actual testing we could use a FPGA board, but
that is a ways off...

There was one other person who was interested.  Three people might be enough
to get things rolling.

-b

intelsat specs , i don't have a soft copy and so i'll
> write abt mod demod portion alone at the time of starting...
> bye
>
> On Mon, 12 Jun 2000, Brian Edmonston wrote:
>
> >
> > By simple, it should have timing and frequency recovery, and maybe IF
> > downconvertion (actually kind of simple).  No equalization tho.  Assume
AWGN
> > channel, is what I mean.
> >
> > The intelsat spec is probably a good starting point.   Do you have that
> > available?
> >
> >
> > -b
> >
> > ----- Original Message -----
> > From: Nanda Kumar K.G <nanda@cdotb.ernet.in>
> > To: <cores@opencores.org>
> > Sent: Monday, June 12, 2000 12:14 PM
> > Subject: Re: [oc] RS Codec
> >
> >
> > >
> > > Hi Brian Edmonston ,
> > > Yeah , single chip QPSK demodulator might be attempted but if it's
> > > simple( subjective term and i can't comment on it :-)} it might not
> > > usable. We can try by taking some specs like INTELSAT specs for QPSK
> > > modems and try to attempt it , or we can plunge directly into Turbo
TCM
> > > modems ... ???
> > >
> > >  On Mon, 12 Jun 2000, Brian Edmonston wrote:
> > >
> > > > Yes.
> > > >
> > > > I am also interested in developing a simple, but useable,
> > QPSKdemodulator.
> > > > Would that be of interest?
> > > >
> > > > -b
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: Nanda Kumar K.G <nanda@cdotb.ernet.in>
> > > > To: <cores@opencores.org>
> > > > Sent: Monday, June 12, 2000 9:32 AM
> > > > Subject: [oc] RS Codec
> > > >
> > > >
> > > > > i would like to develop RS codec for opencores , iam currently
doing
> > > > > research in modems for SAT COM and turbo codes , is anybody
interested
> > ?
> > > > >
> > > > >
> > > >
> >
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > > > > K.G.Nanda Kumar
> > > > > Research Engineer
> > > > > SAT COM  C-DOT
> > > > > 71/1,millers road
> > > > > Bangalore 560052
> > > > > ph:2263399 Extn 323
> > > > >
> > > >
> > > >
> > >
> > >
> >
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > > K.G.Nanda Kumar
> > > Research Engineer
> > > SAT COM  C-DOT
> > > 71/1,millers road
> > > Bangalore 560052
> > > ph:2263399 Extn 323
> > >
> >
> >
>
>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> K.G.Nanda Kumar
> Research Engineer
> SAT COM  C-DOT
> 71/1,millers road
> Bangalore 560052
> ph:2263399 Extn 323
>