Patent ID: 8217785

Claim:
A mobile tag tracking system for providing mobile security monitoring, the system including: a communications facility; a communications network coupled to the communications facility; and a mobile tag coupled to an item to be monitored, the mobile tag having a processor having a memory and for controlling operation of the mobile tag; a radio communications component coupled to the processor for communicating with the communications facility over the communications network for reporting status messages related to the item; a power supply coupled to the processor for providing power to the mobile tag; a security sequence generator coupled to the processor for generating binary sequences; a location tracking component coupled to the processor for determining the location of the mobile tag and providing a location signal to the processor; and a clock coupled to the processor; wherein the mobile tag communicates with the communications facility using randomly scheduled communications each including a status message, the randomly scheduled communications being based on a sequence of random times derived by the processor from a security sequence of binary numbers generated by the tag and the communications facility.