MOBILE-TRAILER TRACKING SYSTEM AND METHOD

摘要

A position tracking system for a plurality of mobile tractors and trailers includes an unique electronic identifier for each of a plurality of trailers. For each tractor of a plurality of tractors, the position tracking system includes a navigation system for determining a current position of the tractor, an electronic identifier reader for acquiring the electronic identifier of a trailer coupled to the tractor, and a position-reporting subsystem for reporting to a remote system the current position of the tractor and the electronic identifier of the trailer coupled to the tractor. In addition, the position tracking system includes, at each facility of a plurality of fixed-location facilities, one or more electronic identifier readers for acquiring the electronic identifier of one or more trailers located within the facility, and a trailer-presence reporting subsystem for reporting to the remote system the presence of the one or more trailers located within the facility.