Patent ID: 9367718
Filing Date: 2016-06-14
CPC Classification: G06K,H04B,H04W

Claim Text:
1. A method for an RFID tag having an internal clock comprising: listening for a periodic signal, wherein the periodic signal comprises a set of beacon signals; synchronizing the internal clock to the set of beacon signals; identifying a set of access points from the set of beacon signals; selecting a first access point from the set of access points; sending a join request to the first access point; identifying the RFID tag to the first access point; receiving an assigned time slot; communicating with the first access point according to the assigned time slot; directing a second access point of the set of access points to listen to communication between the RFID tag and the first access point; combining data received by the first and second access points to create a combined dataset; and calculating a data quality metric based on the combined dataset.