Presentation 2009-12-17
Characteristics of a dead spot for 2.45GHz band passive RFID tags close to metallic plates
Jun TEI, Peng WANG, Shigeki OBOTE, Kenichi KAGOSHIMA,
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Abstract(in English) We have observed experimentally that dead spots occur when a 2.45GHz band RFID tag is placed in a vicinity of a metallic plate. To identify a cause of the dead spots, we have conducted a measurement of |S_<21>| between a reader antenna and tag antenna. We have also carried out a theoretical analysis and a electromagnetic simulation in order to understand a meaning of the experimental data. These results confine that the cause of the dead spots is a multiple reflection between the reader antenna and the metallic plate.
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Keyword(in English) 2.45GHz band / passive RFID tag / dead spot / metallic plate
Paper # SIS2009-35
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Committee SIS
Conference Date 2009/12/10(1days)
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Registration To Smart Info-Media Systems (SIS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Characteristics of a dead spot for 2.45GHz band passive RFID tags close to metallic plates
Sub Title (in English)
Keyword(1) 2.45GHz band
Keyword(2) passive RFID tag
Keyword(3) dead spot
Keyword(4) metallic plate
1st Author's Name Jun TEI
1st Author's Affiliation Graduate School of Science and Engineering, Ibaraki University()
2nd Author's Name Peng WANG
2nd Author's Affiliation Graduate School of Science and Engineering, Ibaraki University
3rd Author's Name Shigeki OBOTE
3rd Author's Affiliation The college of Engineering, Ibaraki University
4th Author's Name Kenichi KAGOSHIMA
4th Author's Affiliation The college of Engineering, Ibaraki University
Date 2009-12-17
Paper # SIS2009-35
Volume (vol) vol.109
Number (no) 338
Page pp.pp.-
#Pages 6
Date of Issue