Tracking and tracing in rail freight Different technologies for different objectives

摘要

In the strict sense of the term "tracking and tracing" means locating and following objects which are by definition mobile, as are vehicles used for transport as a general rule. Nowadays the term is sometimes used to describe other applications based on current technologies, in particular satellite technologies, such as marking fixed installations with balises. That said, this paper will only deal with matters pertaining to railway rolling stock used for freight transport, ar by way of comparison boats and aircraft.