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On the Error Performance of LoRa-Enabled Aerial Networks over Shadowed Rician Fading Channels

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posted on 21.04.2022, 13:41 by Lina BariahLina Bariah, Wael Jaafar, sami muhaidatsami muhaidat, Hany Elgala, Halim Yanikomeroglu

UAVs can be used as aerial relays to provide communication services in remote uncovered areas or dense environments with occasional high capacity demands. However, due to the low power of Internet-of-Things (IoT) devices, UAV-based IoT applications, such as precision agriculture and environment monitoring, may experience high shadowing or equipment failure, which degrades the communications' quality between IoT devices and their gateways. To tackle this issue, we consider the long range (LoRa) communication technology. Specifically, we investigate the performance of LoRA-enabled aerial communications, where a LoRa gateway communicates with a distant IoT device through the assistance of an amplify-and-forward aerial relay. Under the assumption of shadowed Rician fading channels, we characterize at first the end-to-end LoRa communication link.

Then, we derive an exact symbol error rate expression for the underlying system model. Finally, numerical results are presented to corroborate the efficacy of our derived expressions and provide valuable insights into the error performance of LoRa-enabled aerial networks. 

History

Email Address of Submitting Author

lina.bariah@ieee.org

ORCID of Submitting Author

0000-0001-7244-1663

Submitting Author's Institution

Khalifa University

Submitting Author's Country

United Arab Emirates