alt Hacker NewsI don't know about AI antennas, but smart antennas[1] are a things since more than 15 years. Basically they are array of antennas that can change via software the directivity (mainly used in radar systems) or increase/reduce power transmission and direction (this is used in 5G cell).
There's also this, from long before the gen AI era: https://en.wikipedia.org/wiki/Evolved_antenna