George Nychis schrieb:
Hi John,
There are a couple other SDR-type platforms in the academic world...
but none really come close to the code base of GR IMO.
Some of these seemed pretty 'expensive' to get into... the use of ASICs,
and the like, also, they seem to be directed to pretty
specific implementations of transmissions, even though one could
conceivably load in a new chunk of firmware 'on the fly' perhaps...
WARP is a very expensive platform IMO, and they are not as modular as
GNU Radio. I would say GNU Radio has far more in the PHY layer, and
WARP has 1 PHY (OFDM) + a bunch of MAC implementations.
Looked interesting, but did have this overhead of ASIC, and buying the
attendant boards.
The KU Agile radio is still pretty new, Prof. Minden gave a talk here
about it last semester and it seemed the hardware was pretty concrete
but the software was still in progress... which is what truly
separates SDR platforms :)
Looks closest to what I'm doing... albeit not with a PPC core...
CalRadio v1 is strict 802.11 based, and the PHY is not flexible. I
think their goal was to keep the PHY in hardware and swap out
daughterboards with different PHYs that you could re-program the MAC on.
Almost instant negative... I have my Master from UCSD, the consolation
prize for those who didn't get a PhD... and further... have not
forgotten the nonsense with UCSD Pascal and the Regents... but I digress...
John Clark.
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