Re: [oc] RS Codec

["Nanda Kumar K.G" <nanda@cdotb.ernet.in>]

Hi Brian ,
	writing c model is fine , have a look at www.systemc.org ,
shall we start of with modulater , the c models can be synthesized into
hardware directly .

On Tue, 13 Jun 2000, Brian Edmonston wrote:

> > 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
> >
> 
> 

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
K.G.Nanda Kumar
Research Engineer
SAT COM  C-DOT
71/1,millers road
Bangalore 560052
ph:2263399 Extn 323