Methodology to determine threshold distance for estimating main electromagnetic exposure in wireless local area network (WiFi)

Abstract

Overview

The study focuses on the key role of radiation source location within wireless networks. This understanding helps characterize electromagnetic exposure to minimize field levels in future network deployments, particularly concerning wireless local area networks (WLAN).

Objective

With a backdrop where mobile devices adhere to international SAR (Specific Absorption Rate) standards, the paper investigates signal levels from WiFi access points.

Methodology

• The paper describes a methodology to pinpoint the threshold distance where field strength from access points (AP) is minor relative to radiation from user equipment.
• Approaches implemented across simulations and real-world measurements, with WiFi antennas accurately modeled for simulations.

Findings

Results illustrate that the threshold distance fluctuates based on the WiFi standards utilized by devices in the network.

Conclusion

The findings are applicable to varied technologies beyond WLAN, offering a comprehensive tool for minimizing electromagnetic risk in network setups.