Optimum ON/OFF resistances of the ASK modulator for passive RFID tags

In this paper, we propose optimized ON/OFF resistances for the backscattering amplitude-shift keying (ASK) modulator for a passive RFID tag considering the effective backscattered power level. Based on an analysis of power transfer between the passive RFID tag and reader, we obtain the optimal condi...

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Bibliographic Details
Published in2008 Asia-Pacific Microwave Conference pp. 1 - 4
Main Authors Yao-Xi, Sungwook Kwon, Minsu Kim, Hyugchul Kim, Hanjin Cho, Jihong Kim, Jonghyun Seo, Youngoo Yang
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.12.2008
Subjects
Amplitude modulation
Amplitude shift keying
Backscatter
Passive RFID tags
Radio frequency
Radiofrequency identification
Rectifiers
Resistors
RFID tags
Voltage
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Summary:In this paper, we propose optimized ON/OFF resistances for the backscattering amplitude-shift keying (ASK) modulator for a passive RFID tag considering the effective backscattered power level. Based on an analysis of power transfer between the passive RFID tag and reader, we obtain the optimal condition for the ASK modulator to maximize the harvestable power. We calculate the performance of the proposed modulator configuration that is superior to the conventional scheme.
ISBN:9781424426416
1424426413
ISSN:2165-4727
2165-4743
DOI:10.1109/APMC.2008.4957979