Multi-hop Communication between LoRa End Devices

Yosefine Triwidyastuti, Musayyanah Musayyanah, Fifin Ernawati, Charisma Dimas Affandi


Gateway elimination in a LoRa network could highly reduce the network installation cost. However, LoRa end devices could not overcome many obstacles with only a point-to-point communication. Thus, this research implemented a multi-hop communication in a LoRa network. One or more LoRa end devices are placed between the source node and the destination node to act as relay nodes. A simple routing based on the packet length is configured to determine the packet transmission path. As the results, the designed multi-hop communication could improve packet success rate until 2,47 times in indoor environment. Whereas, the optimum delay time for multi-hop communication is 100 ms for each hop to produce high PRR and lowest RTT.


LoRa; End Device; Multi-hop; Relay Node

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