I am new to GNU Radio.

I need some reference to how to use FEC block in GNURadio.

When I try to make encoder and decoder without modulation, its work as well, but when I using modulation and add some noise, there is a problem.

Received bit are not same with transmitted bit and make a decoder not working as well. Say I have k=40 bit and encoded c=64 bit ready to transmit, but I receive extra bit c=96 bit, so decoder can't recognize and decode all c received data as zeros. Find pictures of my simulation system below.

TX RX+Noise Python_read_data

  • $\begingroup$ Please embedd the images into your post (instead of links.) Not everyone can open outside links. Here is a how you can embed the images in a post. $\endgroup$ Aug 9 '19 at 6:50

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