A Multi-Gateway Behaviour Study for Traffic-Oriented LoRaWAN Deployment

Kerima Saleh Abakar, Ismail Bennis, Abdelhafid Abouaissa () and Pascal Lorenz ()
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Kerima Saleh Abakar: IRIMAS, University of Haute-Alsace, 68000 Colmar, France
Ismail Bennis: IRIMAS, University of Haute-Alsace, 68000 Colmar, France
Abdelhafid Abouaissa: IRIMAS, University of Haute-Alsace, 68000 Colmar, France
Pascal Lorenz: IRIMAS, University of Haute-Alsace, 68000 Colmar, France

Future Internet, 2022, vol. 14, issue 11, 1-15

Abstract: The advantages of LoRaWAN over conventional networks (GSM, 4G, 5G) in terms of investment and operating costs have been proven for network coverage in urban and rural areas. However, the theoretical coverage compared to the reality on the ground and the quality of service (QoS) provided remain very relative and depend on several technical factors, subject to increased research. Several recent approaches and hardware specifications recommended adding gateways as a solution to improve the LoRaWAN QoS indicators, mainly for high-traffic situations. However, such a solution will not work in all real-life scenarios since many factors must be considered. This article presents a study of the factors impacting the LoRaWAN QoS in the case of the usage of multiple gateways by exploring different scenarios to show how the payload length impacts the whole network’s packet delivery ratio (PDR) and how it interacts when enhancing the GW number with and without confirmed traffic. Based on the simulation results, increasing the number of gateways can negatively impact the network’s ability to support higher payload packets, especially in a high-traffic scenario. More precisely, we can say that for a low number of GWs, it is more appropriate to use a high payload length since we can achieve a high PDR. Nevertheless, with a high number of GWs, it would be more appropriate to use a low payload length to achieve a good PDR. Similarly, our analyses show that increasing the number of gateways ensures a better PDR but with a significant packet loss at the gateways, which is synonymous with higher energy consumption.

Keywords: Internet of Things; LoRa; LoRaWAN; QoS; multi-gateway (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2022
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