Using current generation technologies like OTDOA and similar, cell carriers can already localize you to a room in a building in many cases. Verizon can do down

Using current generation technologies like OTDOA and similar, cell carriers can already localize you to a room in a building in many cases. Verizon can do down to around 10 centimeter accuracy with their LTE-M network in the best case (don’t have a link to support that handy, otherwise I’d share).