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. 2020 May 28;8:99445–99457. doi: 10.1109/ACCESS.2020.2998117

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This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/

This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/

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FIGURE 10. — Received signal magnitudes according to distance between Tx and Rx: (a) 3m, (b) 4m, (c) 6m, (d) 8m.