Depolarisation model for a BAN indoor scenario
Ferreira, Manuel M.; Cardoso, Filipe D.; Ambroziak, Sławomir J.; Särestöniemi, Mariella; Turbic, Kenan; Correia, Luís M. (2023-07-26)
M. M. Ferreira, F. D. Cardoso, S. J. Ambroziak, M. Särestöniemi, K. Turbic and L. M. Correia, "Depolarisation Model for a BAN Indoor Scenario," 2023 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit), Gothenburg, Sweden, 2023, pp. 186-191, doi: 10.1109/EuCNC/6GSummit58263.2023.10188272
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https://urn.fi/URN:NBN:fi-fe20230829112361
Tiivistelmä
Abstract
In this paper, an analysis of depolarisation in Body Area Networks for Body-to-Infrastructure communications based on a measurement campaign in the 5.8 GHz band in an indoor environment is performed. Measurements were made with an off-body antenna transmitting linearly polarised signals and dual-polarised 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 modelling cross-polarisation discrimination. The average correlation between the signals received by the orthogonally polarised antennas is below 0.5, showing that polarisation diversity can be used. A model is proposed for the average value of the standard deviation of the cross-polarisation discrimination ratio as a function of the transmitted polarisation, the mobility of users and link dynamics.
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