Modifing ber_simulator for simple OFDM test

Hi list,

I want to realize a simple BER test using OFDM instead the modulations
options in the original bert_simulator.grc. I thought that a simple
would work. Basically, I remove de mod/demod used in change for OFDM

However, when I run the flowgraph, after I few seconds (3 at max) the
flowgraph hangs.

Does anyone know how to solve it?
The .grc file modified is attached.


Best Regards

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