Thursday, September 10, 2020

Questions about how to observe BER using CPFSK modulation

Hello everyone!
I wanted to observe the error rate when using CPFSK modulation, so I created a flow graph as shown in the figure.
As a result, the output of the "BER block" did not change from -0.3 even if the noise increased or decreased.
(Voice communication using CVSD vocoder can be done without any problem, so I think the error rate is not so high ...)

How can I observe it correctly?

Thank you.

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