Re: MPSK SNR Estimator

[Rachida SAROUI]

Tag debug works perfect for me, thank you.

The purpose is just taking those values to excel to draw BER vs SNR.

Best regards,

Rachida

Le mer. 8 déc. 2021 à 20:33, Marcus Müller <mmueller@gnuradio.org> a écrit :

"read" for what purpose? What will you do with the value afterwards?

On 08.12.21 16:49, Rachida SAROUI wrote:
> Yes that’s what I was looking for, the block I should be using to read SNR estimate.
>
> Thank you
>
> Envoyé de mon iPhone
>
>> Le 8 déc. 2021 à 16:34, Marcus Müller <mmueller@gnuradio.org> a écrit :
>>
>> Ok, context, please. Where do you want to use it? As the MPSK SNR estimator block documentation says:
>>
>>>   It copies the input stream to the output stream, but adds a tag that contains the estimated SNR every N samples
>>
>> So, generally, you read the tag using a downstream block. This might or might not be the thing you're looking for! So, could you please tell us in which way you want to use the SNR estimate?
>>
>>> On 08.12.21 16:07, Rachida SAROUI wrote:
>>> How can I use it?
>>> Thank you!
>>> Le mer. 8 déc. 2021 à 15:58, Marcus Müller <mmueller@gnuradio.org <mailto:mmueller@gnuradio.org>> a écrit :
>>>     It's a function of the block class itself.
>>>     Best regards,
>>>     Marcus
>>>     On 08.12.21 15:26, Rachida SAROUI wrote:
>>>      > Hello everyone,
>>>      >
>>>      > I'm using the block MPSK SNR Estimator to calculate the SNR of a received signal.
>>>     Yet, I
>>>      > don't know how to get its value (the output is a complex signal). I searched in the
>>>      > previous discussions and the response was "You can get the SNR by using the snr()
>>>     function
>>>      > to return the current estimate" but I don't know where I should use the snr()
>>>     function? is
>>>      > it the python code? or a specific block?
>>>      >
>>>      > Thank you!