BER in scatter plot

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Darshan Manjunathrao Chawan
Answered: Sriram Tadavarty on 30 Oct 2020
I have small question regarding BER in scatterplot. I plotted a scatter plot as shown below, but in that plot how can I determine BER?,

Accepted Answer

Sriram Tadavarty
Sriram Tadavarty on 30 Oct 2020
Hi Darshan,
BER is not releated to complex symbols. So, it can'e be known from scatter plot.
You need to first demodulate the symbols to bits and then calculate the bit error rate, by calculating error when compared with transmitted bits.
To compute BER, you can use biterr function.
Hope this helps.

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