[USRP-users] Slow Frequency hopping using N2xx

Alex Zhang cingular.alex at gmail.com
Thu Jun 28 16:11:03 EDT 2012


I am trying to use USRP to swip the bandwidth to do spectrum sensing for
cognitive radio. So more available bandwidth is better. :)

On Thu, Jun 28, 2012 at 1:58 PM, Thomas Tsou <ttsou at vt.edu> wrote:

> On Thu, Jun 28, 2012 at 6:08 PM, Alex Zhang <cingular.alex at gmail.com>
> wrote:
> > Do you know how much bandwidth the current daughter board support? As I
> > know, the SBX board only cover the 40Mhz. I don't think this is enough.
> > Besides the so-called baseband hopping, is it possible for the USRP to
> > change the center frequency during the flow graph running?
>
> 40 MHz is way more bandwidth than used by any currently deployed
> cellular system. Are you trying to capture uplink and downlink at the
> same time?
>
> The frequency changes for hopping on every burst, or every 576.9 us.
>
>  Thomas
>



-- 

Alex,
*Dreams can come true – just believe.*
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