Channel Measurements and Large-scale Fading Characterization for Indoor THz Communications

IEEE CONFERENCE ON GLOBAL COMMUNICATIONS, GLOBECOM(2023)

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摘要
This paper presents the large-scale fading characteristics of Terahertz (THz) channel in indoor hotspot scenarios. A series of channel measurements at 219-224 GHz are conducted in a classroom and a hallway. In order to investigate the large-scale fading characteristics, the omnidirectional and best directional path loss are separately analyzed by close-in and floating-intercept models, and the Rician K-factor, root mean square delay spread and angular spread are analyzed to estimate the multi-path component richness, time and angle dispersion in various indoor scenarios. Further, these values are compared with what has been given in the Third Generation Partnership Project 38.901 in frequency bands lower than 100 GHz. In light of the results, the office area in hallway scenario shows the most severe path loss, and derives the highest time and angle dispersion. Besides, the measurement results enrich the datasets of THz channel propagation, which is helpful for the design and optimization of THz communication systems for sixth-generation.
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关键词
THz communication,radio propagation,channel measurements,large-scale fading characteristics
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