Path loss measurement and modeling of 5G network in emergency indoor stairwell at 3.7 and 28 GHz

Md Abdus Samad, Dong-You Choi and Kwonhue Choi

PLOS ONE, 2023, vol. 18, issue 3, 1-18

Abstract: Research on path loss in indoor stairwells for 5G networks is currently insufficient. However, the study of path loss in indoor staircases is essential for managing network traffic quality under typical and emergency conditions and for localization purpose. This study investigated radio propagation on a staircase where a wall separated the stairs from free space. A horn and an omnidirectional antenna were used to determine path loss. The measured path loss evaluated the close-in-free-space reference distance, alpha-beta model, close-in-free-space reference distance with frequency weighting, and alpha-beta-gamma model. These four models exhibited good compatibility with the measured average path loss. However, comparing the path loss distributions of the projected models revealed that the alpha-beta model exhibited 1.29 dB and 6.48 dB for respectively, at 3.7 GHz and 28 GHz bands. Furthermore, the path loss standard deviations obtained in this study were smaller than those reported in previous studies.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0282781

DOI: 10.1371/journal.pone.0282781

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