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New Results for the Error Rate Performance of LoRa Systems over Fading Channels
Kostas Peppas1, Spyridon K Chronopoulos2,3, Dimitrios Loukatos4
1Department of Informatics and Telecommunications, University of Peloponnese, 22100 Tripoli, Greece.
Sensors (Basel, Switzerland)
|May 20, 2022
Summary
This study presents new formulas for evaluating the bit error rate of Long Range (LoRa) systems in various fading conditions. The proposed expressions offer accurate performance analysis across all signal-to-noise ratio regions.
Area of Science:
- Wireless communication systems
- Signal processing
- Information theory
Background:
- Long Range (LoRa) systems are gaining traction for long-distance, low-power data transmission.
- Understanding LoRa system performance under diverse channel conditions is crucial for reliable deployment.
- Fading channels significantly impact wireless communication reliability.
Purpose of the Study:
- To derive novel analytical expressions for the bit error rate (BER) of LoRa systems.
- To analyze LoRa BER performance in various fading environments, including Rayleigh, Rice, Nakagami-m, Hoyt, η-μ, and generalized fading.
- To provide accurate and efficient tools for LoRa system performance evaluation.
Main Methods:
- Development of exact single integral expressions for LoRa BER.
- Formulation of simple, accurate approximate expressions for BER analysis.
- Numerical evaluation of derived formulas.
- Validation through Monte-Carlo simulations and comparison with existing exact analytical expressions.
Main Results:
- Novel exact and approximate analytical expressions for LoRa BER in multiple fading channels.
- Demonstrated accuracy of the proposed expressions across the entire signal-to-noise ratio (SNR) range.
- Confirmation of the derived formulas' validity via numerical simulations.
Conclusions:
- The proposed expressions offer a significant advancement in analyzing LoRa system performance under complex fading conditions.
- These new tools enable more precise prediction and optimization of LoRa communication systems.
- The findings contribute to the reliable design and deployment of LoRa technology in diverse environments.
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