Re: [Discuss-gnuradio] How to speed up spectrum sensing?

[Alexander Chemeris]

On Fri, May 13, 2011 at 14:25, Tom Rondeau <address@hidden> wrote:
> On Fri, May 13, 2011 at 11:12 AM, Yang <address@hidden> wrote:
>>
>> Hi all,
>> I am working on the implementation of dynamic spectrum access with
>> gnuradio and usrp2. I modified usrp_spectrum_sense for usrp2 to do the
>> sensing job. However, I find the sensing speed is intolerably slow, which is
>> about 1s for 1MHz.
>
> Yang,
> Considering that the USRP2 can sample 25 MHz, you should be able to capture
> that bandwidth instantaneously.

Note, that while USRP2 can sample 25MHz, you probably can't receive
that much in your PC. I'm working with USRP N210 and having troubles
with receiving even 16 MSPS.

-- 
Regards,
Alexander Chemeris.