Re: [Discuss-gnuradio] UMTS scanner

[Marcus D. Leech]

On 03/11/2011 9:59 AM, Miguel Sanz wrote:
> Hi!
> I am trying to implement an UMTS uplink scanner with GRC. My purpose 
> is to detect the activity of channels by sensing the spectrum and 
> comparing the measured power against a certain threshold. The blocks 
> that I am using are:
> uhd_usrp_source--->root raised cosine filter-------power 
> squelch------rms--------log10-------filesink
>
> So far I am just attempting to calculate rssi values on a specific 
> channel, and save them into a file using the above chain. but the file 
> that is created after the whole chain is unreadable in Matlab or Octave.
>
> There must be something wrong in the chain of blocks, but I cannot see 
> it. Any comments are welcome!
>
> Br,
>
> Miguel 
The files are stored in native complex-float format.  Someone posted a 
macro about a week ago on the list to deal with this for
  Matlab.