Gateway Selection for Downlink Communication in LoRaWAN

Abstract : The Long Range Wide Area Network (LoRaWAN) standard was mainly developed to meet the requirements of many emerging Internet of Things (IoT) applications as it provides low power and low cost connectivity over long distances. In LoRaWAN, when an end-device transmits an uplink message, gateways that receive this message transmit it to the network server, which, in turn, selects a single gateway to reply to the end-device. LoRaWAN does not specify how to select the gateway. In this paper, we focus on the gateway selection for downlink communications in LoRaWAN in order to improve the throughput of the network. We aim to present and evaluate several algorithms for selecting the best gateway for downlink while increasing LoRaWAN throughput for different types of gateway deployment. We show that the system throughput depends on this deployment and that balancing the number of end-devices per gateway improves the performance compared to choosing the gateway with the highest signal quality.
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https://hal-clermont-univ.archives-ouvertes.fr/hal-01989533
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Submitted on : Tuesday, January 22, 2019 - 2:31:53 PM
Last modification on : Thursday, February 14, 2019 - 1:17:05 AM

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Samira Abboud, Nancy El Rachkidy, Alexandre Guitton, Haidar Safa. Gateway Selection for Downlink Communication in LoRaWAN. IEEE WCNC 2019 (IEEE Wireless Communications and Networking Conference 2019), Apr 2019, Marrakech, Morocco. ⟨hal-01989533⟩

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