Research Article
Design and Performance Evaluation of Full-Duplex Relay Node in LoRaWAN-Based System
@INPROCEEDINGS{10.1007/978-3-031-08878-0_6, author={Van-Truyen Phan and Xuan-Tung Truong Minh and Van-Truong Truong}, title={Design and Performance Evaluation of Full-Duplex Relay Node in LoRaWAN-Based System}, proceedings={Industrial Networks and Intelligent Systems. 8th EAI International Conference, INISCOM 2022, Virtual Event, April 21--22, 2022, Proceedings}, proceedings_a={INISCOM}, year={2022}, month={6}, keywords={LoRa LoRaWAN Full-duplex relay node Wireless sensor network LoRaWAN server Application server}, doi={10.1007/978-3-031-08878-0_6} }- Van-Truyen Phan
Xuan-Tung Truong Minh
Van-Truong Truong
Year: 2022
Design and Performance Evaluation of Full-Duplex Relay Node in LoRaWAN-Based System
INISCOM
Springer
DOI: 10.1007/978-3-031-08878-0_6
Abstract
In recent years, wireless sensor network (WSN) has attracted much attention from researchers and the industry. In particular, low power wide-area wireless network (LPWAN) protocols are widely applied in many fields thanks to their effective cost, long range, and energy efficiency. This study proposed a hardware design for a full-duplex relay node (FDRN) for relaying data from sensor nodes (SN) to the LoRaWAN gateway. Accordingly, we proposed the LLC-RTOS algorithm based on FreeRTOS to simultaneously receive, convert, and transmit LoRaWAN signals at FDRN. We proposed a novel LPWAN model based on LoRaWAN for application in WSNs by joining FDRN to the traditional 4-layer LoRaWAN model. Finally, we use the practical method to evaluate the system performance based on the packet loss percentage (PLP), and received signal strength indicator (RSSI) under three scenario: (a) single SN communicated with gateway via FDRN, (b) multiple SNs communicated with gateway via FDRN, and (c) multiple SNs communicated with gateway via multiple FDRNs. The obtained results show the efficiency of the FDRN design and the proposed model when the system can achieve a PLP less than 0.1% and RSSI 100 dBm within a 4 km communication range.
