One method would be to use a single pole IIR filter to get an average of the noise floor energy, and compare that with the average symbol energy.
On Wed, Jul 6, 2011 at 6:49 AM, George Sklivanitis < george.sklivani...@gmail.com> wrote: > Hello all, > > Lately, I am experimenting with a point-to-point SDR link where my > transmitter uses On-Off Keying modulation while the receiver follows > techniques for efficient signal processing and detection (non-coherent, > coherent). My major problem is how can I measure the input SNR as a ratio of > the power of the received signal to the power of noise, given also that we > ignore the quantity of NF (Noise Figure). > > Thank you in advance for your concern, > > GS > > > -- > Sklivanitis Georgios > M.Sc. Student > Telecommunications Division, > Department of Electronics and Computer Engineering > Technical University of Crete, > Kounoupidiana Campus, Office 145.A10 > Chania, Crete, 73100, Greece > Tel. : 28210 59257 > www.telecom.tuc.gr/~**gsklivanitis<http://www.telecom.tuc.gr/~gsklivanitis> > > > ______________________________**_________________ > USRP-users mailing list > usrp-us...@lists.ettus.com > http://lists.ettus.com/**mailman/listinfo/usrp-users_**lists.ettus.com<http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com> >
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