An Application Dependent Medium Access Protocol for Active RFID Using Dynamic Tuning of the Back-Off Algorithm

Date Added: Nov 2009
Format: PDF

Active Radio Frequency Identification (A-RFID) is a technology where the tags (transponders) carry an on-board energy source for powering the radio, processor circuits, and sensors. Besides offering longer working distance between RFID-reader and tag than passive RFID, this also enables the tags to do sensor measurements, calculations and storage even when no RFID-reader is in the vicinity of the tags. This paper introduces a medium access data communication protocol which dynamically adjusts its back-off algorithm to best suit the actual active RFID application at hand.