[USRP-users] Storing signals with full bandwidth of USRP x300/x310

Matt Ettus matt at ettus.com
Wed Oct 22 18:57:28 EDT 2014


The majority of users of X300/X310 are actually processing the data in real
time either in the host computer or in the FPGA.  Storing samples at 200
MS/s is possible, but not easy.  There are consumer-level SSDs which can do
sequential writes at about 500 MB/s:


With 2 or 3 of those in a RAID configuration you should be able to keep up
if you design your app right.  That being said, you'll fill the drive
pretty quickly, so an array of cheaper spinning disks may make more sense.
Some people have had luck with 8 drive arrays.


On Wed, Oct 22, 2014 at 12:06 PM, Perper via USRP-users <
usrp-users at lists.ettus.com> wrote:

> Hi all,
> USRP x300/x310 is able to stream 200MS/s (800MB/s), which is enormous
> volume of information. Not many PC's are able to receive such flow of
> data, let alone to store several dozen minutes of it.
> Thus I want to ask you, USRP x300/x310 developers and users, what set of
> hardware enable you to store the data flow from your USRPs?
> In my case I need a system that can be powered with battery, possibly
> small and mobile (quite conflicting requirements). However at the moment
> proposition of any system that is able to sustain 200MS/s and store it
> will be good.
> Best Regars,
> Piotr Krysik
> _______________________________________________
> USRP-users mailing list
> USRP-users at lists.ettus.com
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
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