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Journal Article Loop-Type Field Probe to Measure Human Body Exposure to 5G Millimeter-Wave Base Stations
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Authors
DukSoo Kwon, Young Seung Lee, Chang-Hee Hyoung, Jung-Hwan Hwang, Hyung-Do Choi
Issue Date
2023-11
Citation
APPLIED SCIENCES-BASEL, v.13, no.21, pp.1-11
ISSN
2076-3417
Publisher
MDPI
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.3390/app132111777
Abstract
This paper proposes a field probe to measure the power density (PD) at a millimeter-wave (mmWave) frequency band. The proposed probe is composed of a loop antenna in which one end is terminated with a load resistor. Such a structure enables the simultaneous measurement of electric (E)- and magnetic (H)-fields: the E-field is measured at a gap where the load resistor is placed, and the H-field is measured through the loop antenna. The simultaneous measurement makes it possible to measure PD for an incident wave even in the near field region where the E- and H-fields have different phases from each other. The proposed probe is fabricated and evaluated for its PD measurement performance. The measurement results show that the probe measures PD with an error less than 1.3 dB. Owing to the near field measurement, the proposed probe is useful in measuring the human body exposure to electromagnetic fields (EMFs) that are generated by 5G mmWave base stations.
KSP Keywords
5G millimeter-wave, Electromagnetic Field, H-field, Human body, Loop antenna, Measurement performance, PD measurement, Power Density, base station(BS), e-field, field probe
This work is distributed under the term of Creative Commons License (CCL)
(CC BY)
CC BY