Influence of User Mobility on System Loss and Depolarization in a BAN Indoor Scenario

Ferreira, Manuel M.; Cardoso, Filipe D.; Ambroziak, Slawomir J.; Särestöniemi, Mariella; Turbic, Kenan; Correia, Luis M. (2024-06-11)
 
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https://doi.org/10.1109/TAP.2024.3410050

Ferreira, Manuel M.
Cardoso, Filipe D.
Ambroziak, Slawomir J.
Särestöniemi, Mariella
Turbic, Kenan
Correia, Luis M.
IEEE
11.06.2024

M. M. Ferreira, F. D. Cardoso, S. J. Ambroziak, M. Särestöniemi, K. Turbic and L. M. Correia, "Influence of User Mobility on System Loss and Depolarization in a BAN Indoor Scenario," in IEEE Transactions on Antennas and Propagation, vol. 72, no. 8, pp. 6678-6690, Aug. 2024, doi: 10.1109/TAP.2024.3410050

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doi:https://doi.org/10.1109/TAP.2024.3410050
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https://urn.fi/URN:NBN:fi:oulu-202503101923
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Abstract

In this article, an analysis of system loss and depolarization in body area networks (BANs) for body-to-infrastructure (B2I) communications based on a measurement campaign in the 5.8 GHz band in an indoor environment is performed. Measurements were performed with an off-body antenna transmitting linearly polarized signals and dual-polarized receiving antennas carried by the user on the body. A normal distribution with a mean of 2.0 dB and a standard deviation of 4.3 dB is found to be the best fit for modeling cross-polarization (XP) discrimination. The average correlation between the signals received by the orthogonally polarized antennas is below 0.5, showing that polarization diversity can be used. A model for the average value of the standard deviation of the XP discrimination ratio as a function of the transmitted polarization, the mobility of users, and the link dynamics is presented, together with a detailed description of the methodology being used.
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