Safety Assessment and Uncertainty Quantification of Electromagnetic Radiation from Mobile Phones to the Human Head

Authors: Yi M, Wu B, Zhao Y, Su T, Chi Y

Year: 2023

Category: Telecommunications Engineering

Journal: Applied Sciences

DOI: 10.3390/app13148107

URL: https://www.mdpi.com/2076-3417/13/14/8107

Abstract

Overview

As mobile communication technology advances, the complexity of mobile phone designs increases. Concurrently, the importance of researching the effects of electromagnetic radiation from these devices on the human head has escalated.

Methodology

A daily usage model for mobile phones was first established. Subsequently, using this model, simulations evaluated the safety of human head exposure to electromagnetic radiation emitted by mobile phones.

Simulation and Analysis

  • The generalized polynomial chaos (gPC) method was applied to construct a proxy model for the specific absorption rate (SAR) at various frequencies, facilitating the uncertainty quantification (UQ) of parameters.
  • The Sobol method quantified the impact of relevant variables on the SAR.

Conclusion

Results from the simulation indicate that using the gPC method can reduce time and costs while maintaining precision in measurements. The study revealed that the material of the mobile phone shell significantly affects the SAR value. These insights are critical for designing safer electromagnetic materials for mobile phones.

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