Re: [Discuss-gnuradio] Encoder Integration

[Dan Halperin]

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Brian Padalino wrote:
> On 10/29/07, Achilleas Anastasopoulos <address@hidden> wrote:
>> PS: I have mixed feelings about all this being implemented on the FPGA:
>> is this a software or a hardware radio?
> 
> In terms of GNURadio, I can agree with the mixed feelings.  I feel
> that GNURadio is a good framework to explore the spectrum and radio
> communications systems.
> 
> In terms of software radio, reprogramming an FPGA with a different
> bitfile is no different than changing a flowgraph, in my opinion.  The
> only thing really hard in the chain is the RF front end for grabbing
> the signals.  It's all "software" from that point on.

Agreed!

> In all honesty, I wouldn't mind if the FPGA were more flexible at
> compile time and less flexible at runtime.  I feel this would trim
> away some of the "fat" associated with being so flexible at runtime,
> and allow for better use of the USRP's FPGA for more low latency
> processing.

In order for SDRs that think of their FPGA code as software (which I
think has to be where this is going to realize its full power), it seems
likely that we will need completely automated and reasonably fast ways
to rebuild the FPGA on the fly. Do these exist?

- -Dan
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