Performance Evaluation of UAV-Based NOMA Networks with Hardware Impairment
Abstract
:1. Introduction
- Unlike in [9,10,11,12,13,14,17,18,19,20,21], where HIs were ignored and UAVs were absent, respectively, we investigate the outage performance, i.e., outage probability and ergodic capacity, of a UAV-based system consisting of two NOMA users and based on formulating mathematical equations with coefficients representing HI. Moreover, this is the first time a UAV-based system with HI issues has been considered.
- The performance of the proposed system is evaluated based on derivations of the closed-form expressions of the outage probability and ergodic capacity. To verify the derived expressions, we use Monte-Carlo simulations.
- The effects of HI on the proposed system are carefully investigated to provide a guideline for UAV-based system design. The results show that under the effects of HI, in terms of the ergodic capacity, the performance of the far user is better than that of the near user at a high transmit power of the UAV.
2. System Model
3. Performance Analysis
3.1. The Channel Model
3.2. Outage Probability Analysis
3.3. Asymptotic Analysis
3.4. Throughput Analysis
4. Ergodic Capacity
5. Numerical Results
6. Conclusions
Author Contributions
Funding
Conflicts of Interest
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Monte Carlo Simulations Repeated | Iterations |
---|---|
Target rates | & |
Power splitting factors | & |
The hardware impairments level | |
Path-loss factor | |
The UAV’s altitude | |
The radius round the trajectory | |
The location of the ground users | |
The UAV’s location circle angle | |
Environment parameters | & |
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Duc, C.H.; Nguyen, S.Q.; Le, C.-B.; Khanh, N.T.V. Performance Evaluation of UAV-Based NOMA Networks with Hardware Impairment. Electronics 2022, 11, 94. https://doi.org/10.3390/electronics11010094
Duc CH, Nguyen SQ, Le C-B, Khanh NTV. Performance Evaluation of UAV-Based NOMA Networks with Hardware Impairment. Electronics. 2022; 11(1):94. https://doi.org/10.3390/electronics11010094
Chicago/Turabian StyleDuc, Chung Ho, Sang Quang Nguyen, Chi-Bao Le, and Ngo Tan Vu Khanh. 2022. "Performance Evaluation of UAV-Based NOMA Networks with Hardware Impairment" Electronics 11, no. 1: 94. https://doi.org/10.3390/electronics11010094
APA StyleDuc, C. H., Nguyen, S. Q., Le, C.-B., & Khanh, N. T. V. (2022). Performance Evaluation of UAV-Based NOMA Networks with Hardware Impairment. Electronics, 11(1), 94. https://doi.org/10.3390/electronics11010094