Hello everyone, I am trying to implement a text transmission with FSK modulations. I did my research about FSK on GNURadio, but what I found is mostly with binary FSK. I have a problem with designing the flow graph of M-FSK modulation.
I am implementing the binary FSK with GFSK block and I think it is working correctly. For the next step I want to increase my modulation order of FSK modulation, like 4-FSK and 8-FSK, however, I could not move forward from the file source block. How can I implement the 4-FSK and 8-FSK on GNURadio? Also if there is a something wrong on my flow graph, please feel free to warn me. https://imgur.com/a/H0Fqj6E Thanks in advance for your interest. -Batuhan Kaplan
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