| Guo Weidong (郭卫栋)* **,Zheng Dong*.[J].高技术通讯(英文),2021,27(4):337~346 |
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| On the performance of full-duplex non-orthonogal multiple access with energy harvesting over Nakagami-m fading channels |
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| DOI：10.3772/j.issn.1006-6748.2021.04.001 |
| 中文关键词: |
| 英文关键词: non-orthogonal multiple access (NOMA), full-duplex (FD), energy harvesting (EH), Markov chain |
| 基金项目: |
| Author Name | Affiliation | | Guo Weidong (郭卫栋)* ** | (*School of Information Science and Engineering, Shandong University, Qingdao 266237, P.R.China)
(**School of Cyber Science and Engineering, Qufu Normal University, Qufu 273165, P.R.China) | | Zheng Dong* | (*School of Information Science and Engineering, Shandong University, Qingdao 266237, P.R.China)
(**School of Cyber Science and Engineering, Qufu Normal University, Qufu 273165, P.R.China) |
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| 中文摘要: |
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| 英文摘要: |
| A cooperative full-duplex (FD) non-orthogonal multiple access (NOMA) network is considered, in which a source communicate with multiple users via multiple energy harvesting (EH) FD relays. Based on this structure, a novel relay selection scheme is proposed over Nakagami-m fading channels by considering both the channel state information (CSI) and the energy statuses of relays. A finite Markov chain is adopted to capture the evolution of relay batteries and simplify the performance analysis by making some reasonable assumptions. General closed-form expressions of the outage probability and the ergodic sum-rate are derived. All the theoretical results are validated by Monte-Carlo simulations. The impacts of various system parameters, such as the number of relays, the self-interference (SI) at the involved relay and battery size, on the performance are extensively investigated. It is shown that the usage of NOMA with FD relaying outperforms the half-duplex (HD)-NOMA and conventional orthogonal multiple access (OMA) network when the self-interference is not too large. |
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