Hi Julian, Thank you so much again. I am able to collect the raw IQ samples using USRP source and File sink with gnuradio-companion. But, I am confused why you said that I will run into additional problems.
On Wed, Jan 4, 2017 at 12:22 PM, Mallesham Dasari <mdas...@cs.stonybrook.edu > wrote: > Hi Julian, > > Thank you so much for the response. By whole WiFi band, I mean from 2.401G > to 2.473G, which is complete WiFi band. Is it possible to sweep entire band > by using the approach you mentioned? I thought using gnuradio-companion, we > can scan only one or few channels depending on the sample rate. > > Regarding Hardware: I am using USRP B210 with a sample rate of 8Msps. > > On Wed, Jan 4, 2017 at 4:00 AM, Julian Arnold <jul...@elitecoding.org> > wrote: > >> Hi Mallesham, >> >> the easiest way would probably be to create your own simple flowgraph >> using GRC like so: >> >> |---------------------| |-----------------| >> | USRP Source | ----------> | File Sink | >> |---------------------| |-----------------| >> >> However, remember that writing to a file can be slow. You might want to >> consider using a ramdisk. >> Also, what whole Wifi band are you talking about? Depending on your >> hardware configuration you might run into additional problems. >> >> Cheers, >> Julian >> >> On 01/03/2017 09:04 PM, Mallesham Dasari wrote: >> > Hello, >> > >> > I am writing the raw IQ samples (m.raw_data) from >> > usrp_spectrum_sense.py to a file. I would like to bypass the FFT >> > overhead, which I will do later. I want to scan the whole wide band of >> > wifi as fast as possible. Can anyone throw some light on how to take >> > only raw samples without FFT? >> > >> > -- >> > Best Regards, >> > *Mallesham Dasari* >> > Department of Computer Science >> > Stony Brook University >> > USA - 11794 >> > >> > >> > _______________________________________________ >> > Discuss-gnuradio mailing list >> > Discuss-gnuradio@gnu.org >> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> >> > > > -- > Best Regards, > *Mallesham Dasari* > Department of Computer Science > Stony Brook University > USA - 11794 > -- Best Regards, *Mallesham Dasari* Department of Computer Science Stony Brook University USA - 11794
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