Hi Fikrat,
The sampling rate must be twice the BANDWIDTH that you want. I don't
know much about
WiFi, but from the numbers you give, the range of frequencies you are
interested in seems to
span about 2.447 - 2.427 GHz = 20 MHz. The receiver users an analog mixer to
shift the frequency
band you want down to near zero frequency, so sample with 50 MHz should be
adequate.
Sincerely,
Dan Marlow
________________________________
From: [email protected]
[[email protected]] on behalf of Fikrat
Al-Kazimi [[email protected]]
Sent: Monday, March 28, 2016 7:03 AM
To: [email protected]
Subject: [Discuss-gnuradio] Max Sampling Rate Limitation
Dear all,
I am trying to monitor Wi-Fi channel number 6 which ranges from 2.427GHz to
2.447GHz.
As I read though, the sampling rate must be at least double the highest
frequency, which in my case is equal to 4.894GHz. However, the USRP has a limit
of 50MHz that I cannot exceed (I tried and it kept giving me actual sampling
rate = 50MHz). Is there a way around it so that I can reconstruct the signal
without much losses? What proper sampling rate can I choose?
Best regards,
Fikrat
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