Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA?
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Listen Before Talk (LBT) and ALOHA are two medium access control (MAC) protocols used in LoRaWAN for IoT applications. The performance of these protocols has been extensively studied in various scenarios. The current ETSI regulations impose restrictions on the timing parameters of these protocols, such as the maximum time an end-node can transmit per hour. Comparative performance assessments through simulations have been conducted to evaluate the two protocols under different workload conditions. These assessments consider factors like data extraction rate, average delay, message loss ratio, and end-to-end delay. The impact of MAC parameters on these performance metrics has been analyzed, and the results show that the choice of MAC protocol significantly affects the end-to-end delay. Additionally, the combined use of LBT and ALOHA in the same LoRaWAN network has been investigated, providing quantitative information to help network designers choose the most suitable protocol for desired performance.
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| Papers (3) | Insight |
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55 Citations | The answer to the query is not present in the provided paper. The paper discusses the performance of listen before talk (LBT) medium access schemes in LoRaWANs, but it does not compare LBT with ALOHA. |
| The paper provides a comparative performance assessment of the two LoRaWAN medium access control protocols (Listen Before Talk and ALOHA) through simulations in realistic scenarios under different workload conditions. | |
| The provided paper does not directly compare the performance of the Listen Before Talk (LBT) protocol with the ALOHA protocol in LoRaWAN networks. |
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