[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Discuss-gnuradio] how to measure ber and snr
|
From: |
Martin Braun |
|
Subject: |
Re: [Discuss-gnuradio] how to measure ber and snr |
|
Date: |
Fri, 11 Jul 2014 10:44:12 +0200 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
On 07/11/2014 09:31 AM, Marcus Müller wrote:
> Hi BZS,
>
> haven't seen you in a long time! Welcome back :)
>
> If you use the search tool in gnuradio-companion, you will find the BER
> block, which has two inputs and will output an BER measurement.
>
> SNR is highly dependent on what you consider to be signal and what you
> consider to be noise, so for most cases you will have to make your own
> Signal Power measurement and divide that by a noise power estimate.
That said, we have SNR estimators for certain modulations. Check the
manual, and make sure you have a basic grasp of the underlying theory
before you use them.
M