多标签环境反向散射辅助非正交多址接入系统性能分析

doi:10.13229/j.cnki.jdxbgxb.20230206

吉林大学学报(工学版) ›› 2025, Vol. 55 ›› Issue (1): 347-354.doi: 10.13229/j.cnki.jdxbgxb.20230206

• 通信与控制工程 • 上一篇

多标签环境反向散射辅助非正交多址接入系统性能分析

黄海燕¹(),张宁¹,梁琳琳²,王春丽¹,张学军¹

^1.兰州交通大学电子与信息工程学院，兰州 730070
^2.西安电子科技大学网络与信息安全学院，西安 710071

收稿日期:2023-03-08 出版日期:2025-01-01 发布日期:2025-03-28
作者简介:黄海燕（1988-），女，副教授，博士.研究方向：无线协作通信，非正交多址接入，无人机通信，反向散射通信. E-mail： huanghiayan@mail.lzjtu.cn
基金资助:
国家自然科学基金项目(62461032);兰州交通大学“天佑青年托举人才计划”项目;兰州交通大学重点研发项目(ZDYF2304)

Performance analysis of multi-tag ambient backscatter assists non-orthogonal multiple access system

Hai-yan HUANG¹(),Ning ZHANG¹,Lin-lin LIANG²,Chun-li WANG¹,Xue-jun ZHANG¹

^1.School of Electronic and Information Engineering，Lanzhou Jiaotong University，Lanzhou 730070，China
^2.School of Cyber Engineering，Xidian University，Xi’an 710071，China

Received:2023-03-08 Online:2025-01-01 Published:2025-03-28

摘要/Abstract

摘要：

本文考虑多标签环境反向散射与非正交多址接入技术相结合的通信系统。首先，本文在多标签的基础上提出了一种最佳标签选择方案，即在基站与远用户之间放置的M个标签中选择出接收信噪比最大的标签进行传输，分析M个标签对远用户中断性能的影响；其次，在近用户端分析采用理想和非理想连续干扰消除对近用户中断性能产生的差异，推导了用户的精确和渐近中断概率及吞吐量表达式，并证明远用户和近用户均可以获得全分集阶数；最后，通过仿真验证了理论分析的正确性，得到了标签数量、非理想SIC的残余干扰系数和目标速率等关键参数对用户性能的影响，当标签数量 $M = 5$ ，信噪比 $γ = - 28 ? d B$ 时，其他参数保持不变，远用户的中断性能比单标签提升约10%。

关键词: 通信技术, 环境反向散射, 多标签, 非正交多址接入, 连续干扰消除

Abstract:

In this paper， we consider a communication system combining multi-tags ambient backscatter with non-orthogonal multiple access technology. First， on the basis of multi-tags， we propose an optimal tag selection scheme in which the best tag is selected for transmission among M tags placed between the base station and the far user， to analyze the effect of M tags on the far user outage performance. Also， the difference in the near user outage performance produced by using ideal and non-ideal successive interference cancellation is analyzed at the near user side. Then， exact and asymptotic outage probabilities and throughput expressions are derived for users， as well as it is proved that full diversity orders are available for the far and near users. Finally， the correctness of the theoretical analysis is verified by simulation， and the effects of key parameters such as the number of tags， residual interference coefficient of non-ideal SIC and target rate on user performance are obtained. When the number of tags $M = 5$ ， the signal-to-noise ratio $γ = - 28 ? d B$ ， under the same conditions with other parameters fixed， the outage performance of far users is improved by about 10% over single tag.

Key words: communication technology, ambient backscatter, multi-tags, non-orthogonal multiple access, successive interference cancellation

中图分类号:

TN925

黄海燕,张宁,梁琳琳,王春丽,张学军. 多标签环境反向散射辅助非正交多址接入系统性能分析[J]. 吉林大学学报(工学版), 2025, 55(1): 347-354.

Hai-yan HUANG,Ning ZHANG,Lin-lin LIANG,Chun-li WANG,Xue-jun ZHANG. Performance analysis of multi-tag ambient backscatter assists non-orthogonal multiple access system[J]. Journal of Jilin University(Engineering and Technology Edition), 2025, 55(1): 347-354.

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参考文献 15

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多标签环境反向散射辅助非正交多址接入系统性能分析

Performance analysis of multi-tag ambient backscatter assists non-orthogonal multiple access system

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