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Re: [Discuss-gnuradio] How to calculate SNR?
From: |
Martin Braun |
Subject: |
Re: [Discuss-gnuradio] How to calculate SNR? |
Date: |
Tue, 25 Mar 2014 21:35:38 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 |
On 03/25/2014 05:00 PM, Azza Ben Mosbah wrote:
> In order to calculate the SNR at the receiver, I have generated a QPSK
> signal, sent it with an USRP through a canal and then received it with
> another USRP.
> So, I have used The "MPSK SNR Estimator" block at the receiver to
> monitor the SNR values. But values are not correct, I have tried "MPSK
> SNR Estimator Probe" block, but values still not correct.
>
> I am wondering what is the proper way to use "MPSK SNR Estimator" block?
> or if there is another block or method to retrieve SNR values correctly?
> So that I can find correct results.
> Any help is appreciated. Thank you.
Estimating SNR is a bit of a science. How do you know your SNR values
are incorrect?
In general, our SNR estimators have been tested a lot and should work.
Post your rx flow graph and your results, that way we can tell what
you've been doing.
M
- [Discuss-gnuradio] How to calculate SNR?, Azza Ben Mosbah, 2014/03/25
- Re: [Discuss-gnuradio] How to calculate SNR?,
Martin Braun <=
- Re: [Discuss-gnuradio] How to calculate SNR?, zielalaoui, 2014/03/25
- Re: [Discuss-gnuradio] How to calculate SNR?, Azza Ben Mosbah, 2014/03/26
- Re: [Discuss-gnuradio] How to calculate SNR?, Marcus Müller, 2014/03/26
- Re: [Discuss-gnuradio] How to calculate SNR?, Azza Ben Mosbah, 2014/03/26
- Re: [Discuss-gnuradio] How to calculate SNR?, Marcus Müller, 2014/03/26
- Re: [Discuss-gnuradio] How to calculate SNR?, Azza Ben Mosbah, 2014/03/26
- Re: [Discuss-gnuradio] How to calculate SNR?, Marcus Müller, 2014/03/26
- Re: [Discuss-gnuradio] How to calculate SNR?, Azza Ben Mosbah, 2014/03/26
- Re: [Discuss-gnuradio] How to calculate SNR?, Azza Ben Mosbah, 2014/03/31