T-Mobile Makes World's First AI-RAN Call on a Live 5G Network

T-Mobile, working with Nokia and Nvidia, has completed what it calls the world's first AI-RAN call over a commercial 5G network, a test that points to how artificial intelligence could soon run inside the mobile networks themselves rather than only in apps on your phone. The call, made in Bellevue, Washington, linked T-Mobile's live 5G standalone core network to a commercial smartphone using Nokia's Massive MIMO equipment and Nvidia's Aerial RAN Computer platform.

AI-RAN means putting AI directly into the radio access network — the part of the system that connects phones to towers. Instead of fixed settings, the network can learn and adapt in real time, shifting capacity where it is needed most. That matters most in crowded places, where thousands of phones compete for the same signal, and it could eventually mean steadier calls and faster data without building as many new sites. Nvidia chief executive Jensen Huang has argued that networks built for conversations will in future also carry "the world's intelligence."

There are still questions to answer before anyone notices a difference. The companies did not disclose throughput, latency or spectrum-efficiency figures from the test, so the real performance gains are unconfirmed, and commercialisation and cost still need to be proven. Even so, the demonstration matters for Nvidia too: the more graphics processors installed in base stations, the larger a new revenue stream opens up beyond data centres. For now it is a first step, not a finished upgrade — but it shows where 5G is heading.

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