Journal of IKEEE (전기전자학회논문지)

Institute of Korean Electrical and Electronics Engineers (한국전기전자학회)
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Simulation Methods of Electromagnetic Wave Specific Absorption Rate (SAR) and the Simulation Results of Human Head Model with Dental Implants in 5G Frequency Band

전자파 흡수율(SAR) 시뮬레이션 기법과 5G 주파수 대역에서의 인공 치아가 삽입된 인체 머리 모델의 전자파 흡수율 시뮬레이션 결과

  • Kim, Chang-Gyun (School of Electronic Engineering, Soongsil University) ;
  • Lee, Seongsoo (School of Electronic Engineering, Soongsil University)
  • Received : 2018.08.20
  • Accepted : 2018.09.07
  • Published : 2018.09.30
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Abstract

It becomes important to analyze the effects of electromagnetic wave on human body, as various wireless equipments are widely used in daily life. SAR (specific absorption rate) is a parameter of the effects of electromagnetic wave on human body. However, it considers only human tissues, and it is difficult to evaluate the effects of electromagnetic wave when metal artifacts are inserted such as dental implants. This paper introduces a method to simulate SAR, and gets its simulated results. Simulated SAR of human head model with dental implants in 30 GHz 5th generation mobile communications (5G) frequency band is $2.50{\times}10^{-3}W/kg$ in maximum and $8.58{\times}10^{-7}W/kg$ in average. These values are absolutely below 1.6 W/kg Korean domestic SAR limit.

다양한 무선기기가 일상화됨에 따라 전자파가 인체에 미치는 영향에 대해 분석할 필요성이 증가하고 있다. 전자파가 인체에 미치는 영향을 나타내는 파라미터가 전자파 흡수율(SAR: specific absorption rate)인데, 이는 단순히 인체 조직만 대상으로 하고 있어 인공 치아 등의 금속 인공물이 삽입된 경우에는 전자파가 미치는 영향을 평가하기가 쉽지 않다. 본 논문에서는 SAR을 시뮬레이션하기 위한 방법을 소개하고 실제로 SAR을 시뮬레이션 하였다. 30 GHz 5세대 이동통신(5G) 주파수 대역에서 인공 치아가 삽입된 인체 머리 모델의 SAR은 최고치 $2.50{\times}10^{-3}W/kg$, 평균치 $8.58{\times}10^{-7}W/kg$으로 국내 허용 기준치 1.6 W/kg에 절대적으로 못 미침을 알 수 있다.

Keywords

References

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