Methodology for determining the threshold distance for estimating the main EM exposure contribution in WLAN

Authors: Marta Fernández, David Guerra

Year: 2022

Category: Engineering Science and Technology

Journal: Engineering Science and Technology, an International Journal

DOI: 10.1016/j.jestch.2021.05.001

URL: https://www.sciencedirect.com/science/article/pii/S2215098621001099

Abstract

Overview

The research outlined focuses intensely on the dynamics of radioactive source locations within wireless networks, underscoring how crucial it is for shaping electromagnetic exposure management tactics. Such efforts are crucial for designing future networks to ensure minimized electromagnetic field levels.

Key Points

  • Importance of monitoring SAR limits as per international standards to safeguard human health.
  • Focus shifts towards evaluating emission levels from WiFi access points rather than just mobile devices.

Methodology

The paper proposes a structured approach for identifying the distance at which fields emitted from the access point (AP) become trivial compared to those generated by user devices. This methodology is backed by both simulations, using modeled real WiFi antennas, and physical experiments to reflect a broad spectrum of real-world scenarios.

Findings

The study definitely concludes that the 'threshold distance' viable for negligible effect varies depending on the WiFi standards utilized within devices in the network. Here, it explicitly connects the technological attributes with potential health risks associated with electromagnetic fields.

Conclusion

This comprehensive study serves as a guide to understand and regulate EM radiations in WLAN setups, propelling the motivation to perpetuate lower EM field environments in consideration of public health.

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