It's called AEI, for automatic equipment identification. Here's a link that discusses the technology in its railroad application.
http://www.rfida.com/weblog/2005/03/rfi ... dustry.htm
AEI has been a very important advancement for railroads. They can now get an accurate picture of what equipment is in a train as it passes a reader site.
http://www.rfida.com/weblog/2005/03/rfi ... dustry.htm
AEI has been a very important advancement for railroads. They can now get an accurate picture of what equipment is in a train as it passes a reader site.