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Evaluation of IEEE802.15.4g for Environmental Observations

Abstract : IEEE802.15.4g is a low-power wireless standard initially designed for Smart Utility 1 Networks, i.e. for connecting smart meters. IEEE802.15.4g operates at sub-GHz frequencies to offer 2 2-3× longer communication range compared to its 2.4 GHz counterpart. Although the standard 3 offers 3 PHYs (FSK, OFDM and O-QPSK) with numerous configurations, 2-FSK at 50 kbps is the 4 mandatory and most prevalent radio setting used. This article looks at whether IEEE802.15.4g can 5 be used to provide connectivity for outdoor deployments. We conduct range measurements using 6 the totality of the standard (all modulations with all further parametrization) in the 863-870 MHz 7 band, within four scenarios which we believe cover most low-power wireless outdoor applications: 8 line of sight, smart agriculture, urban canyon, and smart metering. We show that there are radio 9 settings that outperform the "2-FSK at 50 kbps" base setting in terms of range, throughput and 10 reliability. Results show that highly reliable communications with data rates up to 800 kbps can 11 be achieved in urban environments at 540 m between nodes, and the longest useful radio link is 12 obtained at 779 m. We discuss how IEEE802.15.4g can be used for outdoor operation, and reduce 13 the number of repeater nodes that need to be placed compared to a 2.4 GHz solution.
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Jonathan Munoz, Tengfei Chang, Xavier Vilajosana, Thomas Watteyne. Evaluation of IEEE802.15.4g for Environmental Observations. Sensors, MDPI, 2018. ⟨hal-01968648⟩

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