If aliens did exist, they would probably compress their communications. And they might use a fault tolerant infrastructure like TCP/IP. In either scenario, real communications would not be periodic but closer to random noise. Has anyone performed a Zipf plot or calculated shannon entropy of non-periodic radio signals?

  • $\begingroup$ What research have you done on this question? Even a quick google finds papers. $\endgroup$ – Anders Sandberg Jun 27 '20 at 16:34
  • $\begingroup$ Did you look at the seti project? $\endgroup$ – planetmaker Jun 27 '20 at 17:23
  • $\begingroup$ Almost all the data use narrow band signals. When we use fiber for maximum throughput, we developed frequency ,multiplexed and time multiplexed strategies. CDMA and GSM allow multiple users over a spread of frequencies. If intelligent life was communicating, they would look to use similar cost saving features. As for sending out a periodic analog signal, why would any alien pay for that? What's the ROI for pissing into space? $\endgroup$ – aquagremlin Jun 28 '20 at 22:42

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