[hpsdr] [Flexradio] PlayStation 3

[Philip Covington]

On 12/8/06, Jim Lux <James.P.Lux at jpl.nasa.gov> wrote:
> At 07:42 AM 12/8/2006, Philip Covington wrote:
> >On 12/8/06, Jim Lux <James.P.Lux at jpl.nasa.gov> wrote:
> >>At 05:25 PM 12/7/2006, Charles Greene wrote
> >>
> >> >There's a write up on PS3 and writing game software for it in the
> >> >latest edition of IEEE Spectrum.  I was just thinking about what a
> >> >super SDR you could have using it.  Talk about some real fast DSP.
> >>
> >>
> >>
> >>I have the impression that, most of the CPU in the current
> >>incarnation of PowerSDR is burned up in the GUI, not the DSP,
> >>right?  All those pretty displays, band scopes, Windows GDI
> >>stuff.  The actual signal processing hasn't changed much since the
> >>days when a 1GHz processor was considered adequate.
> >>
> >>Now, if you wanted to run hundreds of receivers covering 1.8-30 MHz
> >>simultaneously while synthesizing a phased array with 30 elements or
> >>something like that, you might need some more "cruch", but in that
> >>situation, I suspect that there are other aspects of the problem that
> >>will drive your design (like A/Ds, signal distribution, and such).
> >
> >Real time decoding of HDTV comes to mind...
>
> Somehow, I suspect that an SDR1000 and PowerSDR isn't going to cut it
> for that application. And, for that particular application, there are
> a host of off-the-shelf ASICs that do the decoding, although there is
> some intellectual satisfaction from rolling your own (or, maybe you
> want a modified version that, say, doesn't interpret certain
> flags).  So, you're already in a high data rate, high bandwidth
> platform, and perhaps a software implementation isn't the best system
> solution (i.e. why not put it into an FPGA?)
>

You must not follow the HPSDR group... Mercury has a FPGA...

Phil N8VB

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