Presentation 2011-10-06
FDTD Evaluation of Radiation and SAR Characteristics for 3.5-GHz PIFA above EBG Substrate
Shinya MORITA, Akimasa HIRATA,
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Abstract(in English) Much attention has been paid to the human safety against electromagnetic (EM) wave exposure from mobile handsets, because they are used in close proximity of the human head. Safety guidelines for EM wave exposures have been established by international standardization bodies. The present study investigates the performance of a planar inverted F antenna (PIFA) on an electromagnetic band-gap (EBG) substrate to realize a low specific absorption rate (SAR) antenna. The frequency band is 3.5 GHz, which will be assigned for 4^ generation mobile communications. The size of EBG substrate is comparable to a wavelength, and thus can be small enough for a handset. The PIFA above the EBG substrate was found to reduce local SAR in a cubic head model by 34% as compared to that without EBG structure.
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Keyword(in English) specific absorption (SAR) / electromagnetic band-gap (EBG) structure / handset terminals
Paper # EST2011-66
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Committee EST
Conference Date 2011/9/29(1days)
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Registration To Electronic Simulation Technology (EST)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) FDTD Evaluation of Radiation and SAR Characteristics for 3.5-GHz PIFA above EBG Substrate
Sub Title (in English)
Keyword(1) specific absorption (SAR)
Keyword(2) electromagnetic band-gap (EBG) structure
Keyword(3) handset terminals
1st Author's Name Shinya MORITA
1st Author's Affiliation Nagoya Institution of Technology()
2nd Author's Name Akimasa HIRATA
2nd Author's Affiliation Nagoya Institution of Technology
Date 2011-10-06
Paper # EST2011-66
Volume (vol) vol.111
Number (no) 224
Page pp.pp.-
#Pages 4
Date of Issue