Performance Analysis of Ambient Backscatter NOMA Systems
This paper analyzed the performance of an ambient-backscatter-(AmBC)-assisted non-orthogonal multiple access (NOMA) system, where a backscatter device (BD) broadcasts its signal to numerous users. More specifically, the realistic assumptions of imperfect successive interference cancellation (ipSIC)...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-05-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/13/10/6166 |
| _version_ | 1797601165189316608 |
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| author | Ce Zhang Xinwei Yue Yuanyuan Yao Xuehua Li |
| author_facet | Ce Zhang Xinwei Yue Yuanyuan Yao Xuehua Li |
| author_sort | Ce Zhang |
| collection | DOAJ |
| description | This paper analyzed the performance of an ambient-backscatter-(AmBC)-assisted non-orthogonal multiple access (NOMA) system, where a backscatter device (BD) broadcasts its signal to numerous users. More specifically, the realistic assumptions of imperfect successive interference cancellation (ipSIC) and residual hardware impairments (RHIs) for AmBC–NOMA systems were taken into consideration. We further derived the closed-form and asymptotic expressions of outage probability for the BD and the <i>d</i>-th user. Based on the asymptotic expressions, the diversity orders of the BD and the <i>d</i>-th user were obtained in the high SNR regime. Furthermore, throughput and energy efficiency are further discussed for AmBC-assisted orthogonal multiple access (OMA) systems in the delay-limited transmission model. The numerical results revealed that: (i) AmBC–NOMA systems have the ability to achieve better outage behavior than AmBC–OMA; (ii) due to the existence of the backscatter link, the error floors of outage probability for the BD and the <i>d</i>-th user appear at a high signal-to-noise ratio; (iii) AmBC–NOMA systems are able to achieve higher energy efficiency and throughput than AmBC–OMA systems. |
| first_indexed | 2024-03-11T03:58:31Z |
| format | Article |
| id | doaj.art-45f927806a5442e1a3795902175373ca |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-11T03:58:31Z |
| publishDate | 2023-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-45f927806a5442e1a3795902175373ca2023-11-18T00:21:33ZengMDPI AGApplied Sciences2076-34172023-05-011310616610.3390/app13106166Performance Analysis of Ambient Backscatter NOMA SystemsCe Zhang0Xinwei Yue1Yuanyuan Yao2Xuehua Li3The Key Laboratory of Information and Communication Systems, Ministry of Information Industry, Beijing Information Science and Technology University, Beijing 100101, ChinaThe Key Laboratory of Information and Communication Systems, Ministry of Information Industry, Beijing Information Science and Technology University, Beijing 100101, ChinaThe Key Laboratory of Information and Communication Systems, Ministry of Information Industry, Beijing Information Science and Technology University, Beijing 100101, ChinaThe Key Laboratory of Information and Communication Systems, Ministry of Information Industry, Beijing Information Science and Technology University, Beijing 100101, ChinaThis paper analyzed the performance of an ambient-backscatter-(AmBC)-assisted non-orthogonal multiple access (NOMA) system, where a backscatter device (BD) broadcasts its signal to numerous users. More specifically, the realistic assumptions of imperfect successive interference cancellation (ipSIC) and residual hardware impairments (RHIs) for AmBC–NOMA systems were taken into consideration. We further derived the closed-form and asymptotic expressions of outage probability for the BD and the <i>d</i>-th user. Based on the asymptotic expressions, the diversity orders of the BD and the <i>d</i>-th user were obtained in the high SNR regime. Furthermore, throughput and energy efficiency are further discussed for AmBC-assisted orthogonal multiple access (OMA) systems in the delay-limited transmission model. The numerical results revealed that: (i) AmBC–NOMA systems have the ability to achieve better outage behavior than AmBC–OMA; (ii) due to the existence of the backscatter link, the error floors of outage probability for the BD and the <i>d</i>-th user appear at a high signal-to-noise ratio; (iii) AmBC–NOMA systems are able to achieve higher energy efficiency and throughput than AmBC–OMA systems.https://www.mdpi.com/2076-3417/13/10/6166ambient backscatter communicationnon-orthogonal multiple accesshardware impairmentoutage probability |
| spellingShingle | Ce Zhang Xinwei Yue Yuanyuan Yao Xuehua Li Performance Analysis of Ambient Backscatter NOMA Systems Applied Sciences ambient backscatter communication non-orthogonal multiple access hardware impairment outage probability |
| title | Performance Analysis of Ambient Backscatter NOMA Systems |
| title_full | Performance Analysis of Ambient Backscatter NOMA Systems |
| title_fullStr | Performance Analysis of Ambient Backscatter NOMA Systems |
| title_full_unstemmed | Performance Analysis of Ambient Backscatter NOMA Systems |
| title_short | Performance Analysis of Ambient Backscatter NOMA Systems |
| title_sort | performance analysis of ambient backscatter noma systems |
| topic | ambient backscatter communication non-orthogonal multiple access hardware impairment outage probability |
| url | https://www.mdpi.com/2076-3417/13/10/6166 |
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