A system and method for tracking and locating wireless tags by a wireless
location system in limited and well defined areas that provides for
differentiation between the well defined areas comprises transmitting
identifying area information by short range transmitters, at least one
short range transmitter positioned in the proximity of an entry and exit
point of each well defined area. The wireless tags receive the
identifying area information when in coverage range of one of the short
range transmitters. The wireless tags will transmit the identifying
information in the tag message. The transmission will include the last
identifying information received and accepted by the wireless tag. A
plurality of location receivers and/or access points are installed in or
in the proximity of the well defined areas for locating the wireless
tags.