| 具有能量收集的双向RF/FSO中继系统性能分析 |
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| 引用本文： | 李小禹,汤璇,林邦姜,谢宇芳,骆加彬,戴玲凤,康莉.具有能量收集的双向RF/FSO中继系统性能分析[J].激光与红外,2021,51(9):1143-1148. |
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| 作者姓名： | 李小禹 汤璇 林邦姜 谢宇芳 骆加彬 戴玲凤 康莉 |
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| 作者单位： | 中国科学院海西研究院 泉州装备制造研究所,福建 泉州362000 |
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| 基金项目： | 中国科学院科研仪器研制项目(No.YJKYYQ20170052)；福建省科技计划项目(No.2017I0020；No.2018H2001)；福建省中科院STS计划配套项目；泉州市科技计划项目(No.2019C010R；No.2020G18；No.2020C069)；福建武平工业园区管理委员会创新创业升级项目资助。 |
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| 摘 要： | 设计了一种在大气湍流和指向误差影响下的带有能量收集的混合双向RF/FSO中继传输系统。RF信号部分采用能量分割的方式进行能量收集,FSO信号部分则将其信号中的直流电分量所携带的能量收集起来存储在中继器中。其中射频RF链路采用Nakagamim信道衰落模型,自由空间光FSO链路采用Gamma Gamma信道衰落模型。并且计算出了两条链路各自的累积分布函数CDF。采用DF的中继协作方式,并利用Meijei G函数推导出系统中断概率的闭合表达式,最终通过仿真来验证结果的正确性。
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| 关 键 词： | 能量收集 双向RF/FSO中继传输 中断概率 |
| 修稿时间： | 2020/12/18 0:00:00 |
Performance analysis of two way RF/FSO relay system with energy harvesting |
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| LI Xiao-yu,TANG Xuan,LIN Bang-jiang,XIE Yu-fang,LUO Jia-bin,DAI Ling-feng,KANG Li.Performance analysis of two way RF/FSO relay system with energy harvesting[J].Laser & Infrared,2021,51(9):1143-1148. |
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| Authors: | LI Xiao-yu TANG Xuan LIN Bang-jiang XIE Yu-fang LUO Jia-bin DAI Ling-feng KANG Li |
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| Institution: | Quanzhou Institute of Equipment Manufacturing,Chinese Academy of Science,Quanzhou 362000,China |
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| Abstract: | In this article,a two way RF/FSO relay transmission system with energy harvesting under the influence of atmospheric turbulence and pointing errors is designed.The RF signal part adopts power splitting for energy collection,and the FSO signal part collects the energy carried by the direct current component of the signal and stores it in the relay.Among them,the radio frequency RF link adopts the Nakagami m channel fading model,and the free space optical FSO link adopts the Gamma Gamma channel fading model.The cumulative distribution function CDF of the two links is calculated.The relay cooperation method of DF is adopted,the Meijei G function is used to derive the closed expression of the system outage probability,and finally the correctness of the result is verified by simulation. |
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