New Bis Safe Luxco S.a R.l

Matthew John Paul Simmonds

Andrew Cardno

Paul Allan Cardno

Guillermo Quiros Manser

Babu Arunachalam

Paul Valer'evich Sheliastovich

A positioning determination method using an improved RFID location tag is described the tag including an RFID controller; memory; a power management module; and an accelerometer. The position determination method including the steps of periodically polling the RFID tags for information; receiving information from a plurality of reference RFID tags at a known location; receiving information from the non reference RFID tags, the information including the tag id and sensor data; calculating for each non reference and referenced RFID tag a received signal strength indication; and calculating an initial position for each non reference RFID tag based on the received signal strength indications and the positions of the reference RFID tags.

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Wellington, New Zealand

Matthew John Paul Simmonds