Two way tracking system and method using an existing wireless network

A system for tracking an object, person or animal, the object, person or animal being provided with a tracking wireless transceiver, comprising:

• receiver means for receiving an indication that the object, person or animal needs to be tracked;
• wireless radio means for wirelessly communicating with the tracking wireless transceiver;
• and
• means for estimating coordinates of the object, person or animal based on a location of one or more sites communicating with the tracking wireless transceiver, the improvement wherein:
• the wireless transceiver is further wirelessly in communication with at least one wireless device on the object, person or animal;
• and
• the wireless transceiver can be used to communicate with the at least one wireless device on the object, person or animal.

A method for tracking an object, person or animal, the object, person or animal being provided with a tracking wireless transceiver, the method comprising the steps of:

• establishing a wireless communication with the wireless transceiver;
• estimating coordinates of the object, person or animal based on a location of one or more sites communicating with the wireless transceiver;
• receiving an indication that the object, person or animal needs to be tracked at the wireless transceiver;
• and
• sending a wireless signal from the wireless transceiver to at least one wireless device on the object, person or animal.

A method for tracking an object, person or animal, the object, person or animal being provided with a tracking wireless transceiver, the method comprising the steps of:

• establishing a wireless communication with the wireless transceiver;
• estimating coordinates of the object, person or animal based on a location of one or more sites communicating with the wireless transceiver;
• sending a wireless signal from the wireless transceiver to at least one wireless device on the object, person or animal;
• and
• determining that the object, person or animal needs to be tracked based on a response of the at least one wireless device received at the wireless transceiver.