Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA?
Low-Power Wide-Area Networks (LPWANs) are emerging as appealing solutions for several Internet of Things (IoT) applications, such as healthcare, smart cities and Industry 4.0, thanks to their ease of deployment, low energy consumption and large coverage range. LoRaWAN is one of the most successful L...
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doaj-177306c0b4674c0586881d7b0e8d5e5c2020-11-25T03:10:06ZengMDPI AGElectronics2079-92922020-03-019455310.3390/electronics9040553electronics9040553Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA?Luca Leonardi0Lucia Lo Bello1Filippo Battaglia2Gaetano Patti3Department of Electrical, Electronics and Computer Engineering, University of Catania, 95124 Catania, ItalyDepartment of Electrical, Electronics and Computer Engineering, University of Catania, 95124 Catania, ItalyDepartment of Electrical, Electronics and Computer Engineering, University of Catania, 95124 Catania, ItalyDepartment of Electrical, Electronics and Computer Engineering, University of Catania, 95124 Catania, ItalyLow-Power Wide-Area Networks (LPWANs) are emerging as appealing solutions for several Internet of Things (IoT) applications, such as healthcare, smart cities and Industry 4.0, thanks to their ease of deployment, low energy consumption and large coverage range. LoRaWAN is one of the most successful LPWAN standards, as it supports robust long-distance communications using low-cost devices. To comply with the ETSI regulations, LoRaWAN can adopt as medium access control (MAC) layer either a pure ALOHA approach with duty-cycle limitations or a polite spectrum access technique, such as Listen Before Talk (LBT). The two approaches have their pros and cons that need to be carefully evaluated. The studies in the literature that so far have addressed an evaluation of MAC protocols for LoRaWAN refer to a previous and now obsolete version of the ETSI regulations, therefore they do not take into account the current limits on the timing parameters for polite spectrum access, such as that maximum time an end-node is allowed to be transmitting per hour. For this reason, the contribution of this work is two-fold. First, the paper discusses the restrictions that the current ETSI regulations impose on some timing parameters of the two kinds of MAC protocols for LoRaWAN. Second, the paper provides comparative performance assessments of the two protocols through simulations in realistic scenarios under different workload conditions.https://www.mdpi.com/2079-9292/9/4/553lorawaninternet of thingslow-power wide-area networksmedium access control protocolslisten before talkaloha |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Luca Leonardi Lucia Lo Bello Filippo Battaglia Gaetano Patti |
spellingShingle |
Luca Leonardi Lucia Lo Bello Filippo Battaglia Gaetano Patti Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA? Electronics lorawan internet of things low-power wide-area networks medium access control protocols listen before talk aloha |
author_facet |
Luca Leonardi Lucia Lo Bello Filippo Battaglia Gaetano Patti |
author_sort |
Luca Leonardi |
title |
Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA? |
title_short |
Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA? |
title_full |
Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA? |
title_fullStr |
Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA? |
title_full_unstemmed |
Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA? |
title_sort |
comparative assessment of the lorawan medium access control protocols for iot: does listen before talk perform better than aloha? |
publisher |
MDPI AG |
series |
Electronics |
issn |
2079-9292 |
publishDate |
2020-03-01 |
description |
Low-Power Wide-Area Networks (LPWANs) are emerging as appealing solutions for several Internet of Things (IoT) applications, such as healthcare, smart cities and Industry 4.0, thanks to their ease of deployment, low energy consumption and large coverage range. LoRaWAN is one of the most successful LPWAN standards, as it supports robust long-distance communications using low-cost devices. To comply with the ETSI regulations, LoRaWAN can adopt as medium access control (MAC) layer either a pure ALOHA approach with duty-cycle limitations or a polite spectrum access technique, such as Listen Before Talk (LBT). The two approaches have their pros and cons that need to be carefully evaluated. The studies in the literature that so far have addressed an evaluation of MAC protocols for LoRaWAN refer to a previous and now obsolete version of the ETSI regulations, therefore they do not take into account the current limits on the timing parameters for polite spectrum access, such as that maximum time an end-node is allowed to be transmitting per hour. For this reason, the contribution of this work is two-fold. First, the paper discusses the restrictions that the current ETSI regulations impose on some timing parameters of the two kinds of MAC protocols for LoRaWAN. Second, the paper provides comparative performance assessments of the two protocols through simulations in realistic scenarios under different workload conditions. |
topic |
lorawan internet of things low-power wide-area networks medium access control protocols listen before talk aloha |
url |
https://www.mdpi.com/2079-9292/9/4/553 |
work_keys_str_mv |
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