Performance Evaluation of Downlink Multiple Users NOMA-Enable UAV-Aided Communication Systems Over Nakagami-<italic>m</italic> Fading Environments
We evaluate a downlink non-orthogonal multiple access (NOMA)-enable UAV-aided communication system to address the demand of spectrum usage of unmanned aerial vehicles (UAVs). In this paper, multiple NOMA users are served by an UAV to improve the effective spectrum usage. Over Nakagami-<inline-for...
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2021-01-01
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| author | Thu-Thuy Thi Dao Sang Quang Nguyen Hong Nhung-Nguyen Phu Xuan Nguyen Yong-Hwa Kim |
| author_facet | Thu-Thuy Thi Dao Sang Quang Nguyen Hong Nhung-Nguyen Phu Xuan Nguyen Yong-Hwa Kim |
| author_sort | Thu-Thuy Thi Dao |
| collection | DOAJ |
| description | We evaluate a downlink non-orthogonal multiple access (NOMA)-enable UAV-aided communication system to address the demand of spectrum usage of unmanned aerial vehicles (UAVs). In this paper, multiple NOMA users are served by an UAV to improve the effective spectrum usage. Over Nakagami-<inline-formula> <tex-math notation="LaTeX">$m$ </tex-math></inline-formula> fading model, the performance of the system was investigated based on the analysis of outage probabilities (OPs) of the NOMA users, the ergodic rate, and symbol error rate of the system under two scenarios, i.e., perfect successive interference cancellation (pSIC) and imperfect successive interference cancellation (ipSIC). Additionally, the effects of the system parameters such as the transmit power and altitude of the UAV, the coefficients of channel model on the system performance were studied. The results demonstrate that the performance of the NOMA-based system is better compared with that of the conventional orthogonal multiple access (OMA)-based system in terms of OP, throughput and ergodic rate. Considering outage probabilities at the users, the system in the ipSIC case achieves the same performance as the pSIC case at a low transmit power of the UAV. In addition, an increase in the height of the UAV decreases the ergodic capacity of each user. |
| format | Article |
| id | doaj-art-ffb4615752b74dcba829e39afc99c8bd |
| institution | Kabale University |
| issn | 2169-3536 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | IEEE |
| record_format | Article |
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| spelling | doaj-art-ffb4615752b74dcba829e39afc99c8bd2025-01-17T00:00:22ZengIEEEIEEE Access2169-35362021-01-01915164115165310.1109/ACCESS.2021.31240179592802Performance Evaluation of Downlink Multiple Users NOMA-Enable UAV-Aided Communication Systems Over Nakagami-<italic>m</italic> Fading EnvironmentsThu-Thuy Thi Dao0https://orcid.org/0000-0002-6037-734XSang Quang Nguyen1https://orcid.org/0000-0002-1798-2296Hong Nhung-Nguyen2https://orcid.org/0000-0002-2072-3973Phu Xuan Nguyen3https://orcid.org/0000-0001-8637-2507Yong-Hwa Kim4https://orcid.org/0000-0003-2183-5085Faculty of Electronics Technology, Industrial University of Ho Chi Minh City, Ho Chi Minh City, VietnamDepartment of International Relations, Ho Chi Minh City University of Transport, Ho Chi Minh City, VietnamFaculty of Information Technology, Viet Tri University of Industry, Viet Tri, VietnamDepartment of Computing Fundamentals, FPT University, Ho Chi Minh City, VietnamDepartment of Data Science, Korea National University of Transportation (KNUT), Uiwang-si, South KoreaWe evaluate a downlink non-orthogonal multiple access (NOMA)-enable UAV-aided communication system to address the demand of spectrum usage of unmanned aerial vehicles (UAVs). In this paper, multiple NOMA users are served by an UAV to improve the effective spectrum usage. Over Nakagami-<inline-formula> <tex-math notation="LaTeX">$m$ </tex-math></inline-formula> fading model, the performance of the system was investigated based on the analysis of outage probabilities (OPs) of the NOMA users, the ergodic rate, and symbol error rate of the system under two scenarios, i.e., perfect successive interference cancellation (pSIC) and imperfect successive interference cancellation (ipSIC). Additionally, the effects of the system parameters such as the transmit power and altitude of the UAV, the coefficients of channel model on the system performance were studied. The results demonstrate that the performance of the NOMA-based system is better compared with that of the conventional orthogonal multiple access (OMA)-based system in terms of OP, throughput and ergodic rate. Considering outage probabilities at the users, the system in the ipSIC case achieves the same performance as the pSIC case at a low transmit power of the UAV. In addition, an increase in the height of the UAV decreases the ergodic capacity of each user.https://ieeexplore.ieee.org/document/9592802/Unmanned aerial vehicleNOMAoutage probabilityergodic capacity |
| spellingShingle | Thu-Thuy Thi Dao Sang Quang Nguyen Hong Nhung-Nguyen Phu Xuan Nguyen Yong-Hwa Kim Performance Evaluation of Downlink Multiple Users NOMA-Enable UAV-Aided Communication Systems Over Nakagami-<italic>m</italic> Fading Environments IEEE Access Unmanned aerial vehicle NOMA outage probability ergodic capacity |
| title | Performance Evaluation of Downlink Multiple Users NOMA-Enable UAV-Aided Communication Systems Over Nakagami-<italic>m</italic> Fading Environments |
| title_full | Performance Evaluation of Downlink Multiple Users NOMA-Enable UAV-Aided Communication Systems Over Nakagami-<italic>m</italic> Fading Environments |
| title_fullStr | Performance Evaluation of Downlink Multiple Users NOMA-Enable UAV-Aided Communication Systems Over Nakagami-<italic>m</italic> Fading Environments |
| title_full_unstemmed | Performance Evaluation of Downlink Multiple Users NOMA-Enable UAV-Aided Communication Systems Over Nakagami-<italic>m</italic> Fading Environments |
| title_short | Performance Evaluation of Downlink Multiple Users NOMA-Enable UAV-Aided Communication Systems Over Nakagami-<italic>m</italic> Fading Environments |
| title_sort | performance evaluation of downlink multiple users noma enable uav aided communication systems over nakagami italic m italic fading environments |
| topic | Unmanned aerial vehicle NOMA outage probability ergodic capacity |
| url | https://ieeexplore.ieee.org/document/9592802/ |
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