On 03/29/2010 11:13 PM, George Nychis wrote:
> Short but sweet response. It would be great to have a SDR hardware
> board that works with GNU Radio that has a very, very, low latency
> connection to the host, like PCI express. Similar to the Microsoft
> Research SDR (previously named SORA). That would be great and open up
> possibilities of low latency MAC protocol implementations.
>
> Just sayin'!
>
> - George
More bandwidth == definitely_better
But IM(PNS)HO you don't want receiver cards living inside a PC cabinet.
Which is why I like the
USRP "remote" philosophy.
I'm thinking about doing some hardware myself, for the specific purpose
of radio astronomy:
o integrated LNA/downconverter/sampler
o common LO/sample-clock for all antenna
o 1GiGE, probably using a compact (4-bit) coding to improve channel
bandwidth
This would appeal to only a small fraction of all Gnu Radio users, to be
sure.
But there are some themes that are common to other applications:
o robust phase coherence (any kind of aperture synthesis requires this)
o high bandwidth (sometimes at the expense of code bits)
Fit in a tighter cost envelope. :-)
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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