Locate an iPhone reliably indoors?

Question

I\'m writing an app for a museum tour. I\'d like my app to know where the user is in the building, if the user is standing in a particular room, in front of a particular work, e

Answer 1

Here's an idea. Instead of having the phone find its location, set up multiple Bluetooth devices. Have a computer determine which Bluetooth devices can see the phone and what the signal strength is, then use that information to determine where the phone is.

Or you could just have BT devices at each of the exhibits and figure out which one is closest to the user.