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. 2020 Aug 20;8:153479–153507. doi: 10.1109/ACCESS.2020.3018140

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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 6. — Application of technologies to different social distancing scenarios. Some technologies, e.g., Cellular and GNSS, can be applied to many scenarios, whereas technologies such as Zigbee and RFID are applicable to fewer scenarios due to their limited communication ranges. Scenarios from the same group have the same color. The arrows that show the links from one technology to different scenarios have the same color.