New project (tracking indoor)

Hi guys,
compliment for Arduino and relative forum!!
I'm a student of Electronics Engineering and i'm going to begin a project of tracking indoor of people in movement.
Is possibile with Arduino? For example, this project http://cricket.csail.mit.edu/ is possibile with Arduino?

Thanks so much,
Bruno

I didn't read the whole article but it seems that you should able to get very similar functionality with an Arduino.