Body Blockage Analysis and Comparison between Human and Full-body Phantom Using Measurements at 28 GHz

Maryam Faizi Khajeim, Gholamreza Moradi, Reza Sarraf Shirazi, Shuai Zhang

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Abstract

The human blockage is an important phenomenon that should be considered in millimeter-wave (mm-wave) communication systems. Realizing the blockage behavior could be very valuable in mm-wave link simulations. Several blockage models have been proposed in previous works based on knife edge diffraction (KED), high frequency simulations, and measurements. This work investigates the blockage using a full-body phantom and proves that the body phantom is accurate enough to replace the human subject in blockage studies for both data and talk modes. A campaign of measurements for these two modes with 17 human subjects of different heights and genders is conducted. The effect of different types of clothes on the body blockage is studied for body phantom and human subject. The impact of relative antenna-user position on the body blockage intensity is investigated, which is hard to do such accurate measurements with human subjects.
Original languageEnglish
JournalI E E E Antennas and Propagation Magazine
ISSN1045-9243
Publication statusAccepted/In press - May 2021

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