engleski

Assessment of SAR using Simplified Body Representation due to RFiD Field Exposure

The paper deals with a simplified assessment of distribution of Specific Absorption Rate averaged over a whole body (SARWB) for the human exposure to near RFiD reader antennas. SARWB is computed for various distances between the antenna and the user featuring parallelepiped model of the human body. The frequencies of interest are f = 100 kHz, f = 13.56 MHz, f = 915 MHz and f = 2.4 GHz, and the reader is assumed to radiate EIRP of 4 We.i.r.p.. The obtained results show that for distances between 1 cm and 2 m from the reader antenna SARWB values are below the allowed limit of 0.4 W/kg for workers.

EMC ; SAR ; LF ; HF ; UHF ; microwave RFiD

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