19-04-06 08:42
Age: 2 yrs

BY: ZHOU, FENG; JIN, DAWEI; HUANG, CHENLING; MIN, HAO

For low-cost RFID systems, the power consumption of passive tags is a key issue. Playing the most important role in the tag’s base-band processing, anti-collision protocols (as well as their implementing circuits) need much endeavor for the optimization of power. In this technical report, we combine the power optimizations on the protocol level and on the circuit level, instead of carrying them out separately. We propose a new criterion, which takes into account both time and energy consumption, to evaluate anti-collision schemes. We put forward an improved anti-collision scheme, and compare it to two existing and recommended anti-collision schemes. Keywords: anti-collision, low power

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