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by thisisdave 3171 days ago
Any individual bit could be noise, so it might take 2-3 bits to transmit something unambiguous (via an error-correcting code or similar).

If so, I think the speed advantage disappears.

1 comments

Detecting one pulse above background noise is not terrible, according to the paper. However, the way the paper sets up their communications channel is kind of silly, since they are pulse rate limited.

If you wanted to transmit a lot of information with one pulse, you'd use time domain slicing and synchronized atomic clocks.

Regardless, you don't need particularly high signal fidelity in order to arbitrage the market, just better than 50/50. The ~25ms they can cut off of the transmission latency is an eternity in market time.