ENERGY-EFFICIENT MONITORING AND LOCALISATION DEVICE, SYSTEM AND METHOD

摘要

The invention relates to an energy-efficient monitoring and localising device, and to a system and method for implementing said device, said device comprising (i) first means for positioning via satellite (1); (ii) second means for controlling transitions (2, 3) between satellite coverage regions and shadow regions; and (iii) third communication means (4, 5); said means being controlled from a central processing unit (7) and supplied with power by a battery (8).