Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

LoRaWAN and Urban Waste Management – A Trial

Version 1 : Received: 15 February 2021 / Approved: 16 February 2021 / Online: 16 February 2021 (13:32:05 CET)

A peer-reviewed article of this Preprint also exists.

Cruz, N.; Cota, N.; Tremoceiro, J. LoRaWAN and Urban Waste Management—A Trial. Sensors 2021, 21, 2142. Cruz, N.; Cota, N.; Tremoceiro, J. LoRaWAN and Urban Waste Management—A Trial. Sensors 2021, 21, 2142.

Journal reference: Sensors 2021, 21, 2142
DOI: 10.3390/s21062142

Abstract

The city of Lisbon, has any other capital of a European country, has a large number of issues while managing the waste and recycling containers spread throughout the city. This document presents the results of a study promoted by the Lisbon City Council for trialing LPWAN technology on the waste management vertical under the Lisbon Smart City initiative. Current waste management is done using GSM sensors, and the aim is to use LPWAN to reduce the costs, improve range and reduce provisioning times when changing the communications provider. After an initial study, LoRa was selected as the LPWAN of choice for the trials. The study is composed of multiple use cases at different distances, types of recycling waste containers, placements (underground and surface) and different kinds of waste level measurement LoRa sensors, deployed in order to assess the impact of the different use cases on the LoRa sensor usage. The results shown that the underground waste containers present the most difficult challenge, where the container itself imposes attenuation levels of 26dB on the link budget. The results promoted the deployment of a city wide LoRa network available to all departments inside the Lisbon City Council, and considering the network capacity the network, the network is also available to citizens to be used freely.

Subject Areas

LoRa; LoRaWAN; Trial; Waste Management; Smart City; Internet of Things

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