Averaging Area of Incident Power Density for Human Exposure from Patch Antenna Arrays

Daisuke FUNAHASHI  Takahiro ITO  Akimasa HIRATA  Takahiro IYAMA  Teruo ONISHI  

IEICE TRANSACTIONS on Electronics   Vol.E101-C   No.8   pp.644-646
Publication Date: 2018/08/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E101.C.644
Type of Manuscript: BRIEF PAPER
5th generation wireless system,  patch antenna array,  safety standards,  incident power density,  RF exposure,  

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This study discusses an area-averaged incident power density to estimate surface temperature elevation from patch antenna arrays with 4 and 9 elements at the frequencies above 10 GHz. We computationally demonstrate that a smaller averaging area (1 cm2) of power density should be considered at the frequency of 30 GHz or higher compared with that at lower frequencies (4 cm2).