Statistical approach for human EMF exposure assessment in future wireless ATTO-cell networks

Authors: Shikhantsov S, Thielens A, Vermeeren G, Demeester P, Martens L, Torfs G, Joseph W

Year: 2018 Jul 30

Category: Radiation Protection

Journal: Radiat Prot Dosimetry

DOI: 10.1093/rpd/ncy120

URL: https://www.ncbi.nlm.nih.gov/pubmed/30085262

Abstract

Overview

The study examines human exposure to electromagnetic fields (EMF) in ATTO-cell floors, a potential future technology in 5G wireless networks. This ultra dense network consists of multiple interfering sources embedded into the floor, posing an exposure environment to humans.

Findings

  • Exposure Estimates: A statistical method was used to estimate EMF exposure, integrating finite difference time-domain simulations with variation in antenna phases.
  • Highest Exposure: Exposure levels were analyzed showing an average of 4.9 mW/kg and peaks at 7.6 mW/kg for 5% of cases. The highest recorded exposure was approximately 21.2 mW/kg.
  • Compliance with Safety Limits: The study notes that all exposure levels detected are significantly below the international recommended limits set by ICNIRP (4 W/kg for the general public and 20 W/kg for occupational exposure).

Conclusion

The ATTO-floor, through its innovation in wireless technology, presents a significantly low EMF exposure level that complies with international safety standards, making it a promising candidate for future 5G environments. Further assessment of long-term health effects is crucial.

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