反向散射通信中标签选择策略中断性能分析

刘英挺; 周治洋; 耿梦丹; 李兴旺

doi:10.11999/JEIT231001

反向散射通信中标签选择策略中断性能分析

doi: 10.11999/JEIT231001

刘英挺^{1, 2, ,},
周治洋¹,
耿梦丹¹,
李兴旺^{3, 4}

1.
兰州交通大学电子与信息工程学院兰州 730070
2.
国网甘肃省电力公司电力科学研究院兰州 730070
3.
河南理工大学物理与电子信息学院焦作 454003
4.
焦作市群智感知网络重点实验室焦作 454003

基金项目: 甘肃省自然科学基金(23JRRA849)，国家自然科学基金(61861041)，河南省科技攻关项目(232102211073)，甘肃省博士后研究资助项目

详细信息

作者简介:
刘英挺：男，博士，副教授，研究方向为无线携能通信、非正交多址通信、反向散射通信

周治洋：男，硕士生，研究方向为反向散射通信

耿梦丹：女，硕士生，研究方向为反向散射通信

李兴旺：男，博士，副教授，研究方向为反向散射通信

通讯作者:
刘英挺　liuyt2018@163.com

中图分类号: TN926
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- 文章访问数: 106
- HTML全文浏览量: 31
- PDF下载量: 10
- 被引次数: 0
出版历程
- 收稿日期: 2023-09-14
- 修回日期: 2023-12-11
- 网络出版日期: 2023-12-18

Outage Performance of Tag Selection Scheme for Backscatter Communication Systems

1.
School of Electronic and Information Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
2.
State Grid Gansu Electric Power Research Institute, Lanzhou 730070, China
3.
School of Physics and Electronic Information Engineering, Henan Polytechnic University, Jiaozuo 454003, China
4.
Jiaozuo Key Laboratory of Group Intelligence Sensing Network, Jiaozuo 454003, China

Funds: The Natural Science Foundation of Gansu Province (23JRRA849), The National Natural Science Foundation of China (61861041), The Science and Technology Research Project of Henan Province (232102211073), Gansu Postdoctoral Research Funding Project

摘要

摘要: 该文研究的反向散射通信(BackCom)系统由1个专用射频信号源、若干个标签及1个目的节点构成。在考虑了信道估计误差(CEE)的前提下，该文在Nakagami-m信道中，提出了能够最大化目的节点信噪比(SNR)的标签选择策略，推导了所提策略的中断概率和分集增益的解析表达式。该文的分析中，考虑了标签自身能耗对系统性能的影响。仿真结果验证了理论分析的正确性，同时考察了关键参数对系统性能的影响。理论分析和仿真结果均表明，信道估计误差的存在使得系统的分集增益为0。
- 反向散射通信 /
- 信道估计误差 /
- 中断性能 /
- 标签选择 /
- Nakagami-m信道
Abstract: The considered Backscatter Communication (BackCom) system consists of one dedicated radio frequency source node, some tags and one destination node. In consideration of the Channel Estimation Error (CEE), the tag selection scheme in which the tag selection scheme that can maximize the received Signal-to-Noise Ratio (SNR) at the destination is proposed over the Nakagami-m channels, and the corresponding analytical results of the outage probability and diversity gain are derived. In this paper, the consumed power by tags is considered. The numerical results verify the obtained analytical results and investigate the key parameters on the system performance. Both the analytical and numerical results show that the existence of the CEE make the corresponding diversity gain zero.
- Backscatter Communication (BackCom) /
- Channel Estimation Error (CEE) /
- Outage performance /
- Tag selection scheme /
- Nakagami-m channels

HTML全文

图 1 系统模型

下载: 全尺寸图片幻灯片

图 2 不同标签数量下系统的中断概率(m_a=m_b=2, N=2)

下载: 全尺寸图片幻灯片

图 3 CEE 和天线个数 N 对系统性能的影响(m_a=m_b, L=3)

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图 4 不同m值下系统的中断概率(L=3, $\varOmega_e $=10^–5)

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