增强型认知NOMA通信系统的设计与性能分析

张亚芳; 高震森; 李建华; 田野; 宁新宁; 张琼

doi:10.11959/j.issn.1000-0801.2025220

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增强型认知NOMA通信系统的设计与性能分析

研究与开发 | 更新时间：2026-01-20

- 增强型认知NOMA通信系统的设计与性能分析
- Design and performance analysis of enhanced cognitive NOMA communication system
- 电信科学 2025年41卷第11期页码：142-153
- 作者机构：
  
  1.忻州师范学院电子系，山西忻州 034099
  2.广东工业大学信息工程学院，广东广州 510006
  3.阜阳师范大学计算机与信息工程学院，安徽阜阳 236037
- 作者简介：
  
  [ "张亚芳（1992- ），女，博士，忻州师范学院讲师，主要研究方向为认知无线电、协作通信、NOMA和智能超表面等。" ]
  [ "高震森（1986- ），男，博士，广东工业大学教授，主要研究方向为高速光通信、光与无线融合通信等。" ]
  [ "李建华（1988- ），男，博士，阜阳师范大学讲师，主要研究方向为射频集成电路设计自动化、射频功率器件和MEMS传感器。" ]
  [ "田野（1988- ），男，忻州师范学院讲师，主要研究方向为计算机系统结构、凸优化计算。" ]
  [ "宁新宁（1975- ），男，忻州师范学院高级实验师，主要研究方向为自动控制、智能控制和电子实验。" ]
  [ "张琼（1983- ），女，忻州师范学院讲师，主要研究方向为传感器。" ]
- 基金信息：
  
  国家自然科学基金资助项目(62375055);山西省高等学校科技创新项目(2024L324);山西省高等学校教学改革创新项目(J20241271)
- DOI：10.11959/j.issn.1000-0801.2025220
  中图分类号： TN929.5
- 收稿：2025-02-13，
  
  修回：2025-07-15，
  
  录用：2025-08-06，
  
  纸质出版：2025-11-20
- 稿件说明：
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张亚芳,高震森,李建华等.增强型认知NOMA通信系统的设计与性能分析[J].电信科学,2025,41(11):142-153.

ZHANG Yafang,GAO Zhensen,LI Jianhua,et al.Design and performance analysis of enhanced cognitive NOMA communication system[J].Telecommunications Science,2025,41(11):142-153.
张亚芳,高震森,李建华等.增强型认知NOMA通信系统的设计与性能分析[J].电信科学,2025,41(11):142-153. DOI： 10.11959/j.issn.1000-0801.2025220.

ZHANG Yafang,GAO Zhensen,LI Jianhua,et al.Design and performance analysis of enhanced cognitive NOMA communication system[J].Telecommunications Science,2025,41(11):142-153. DOI： 10.11959/j.issn.1000-0801.2025220.

摘要

为了解决无线网络频谱资源有限和物联网设备指数增加的矛盾，提出了一种混合蜂窝传输和D2D通信的增强型认知非正交多址接入（non-orthogonal multiple access，NOMA）通信网络。该网络以改善蜂窝通信的覆盖为前提，授权D2D节点使用蜂窝网络频谱资源以完成通信任务。鉴于NOMA技术高频谱效率的优点，设计了一种自适应的认知NOMA传输方案。在考虑信道估计误差的情况下，优化找到了使得系统中断概率最小化的最优功率分配，并分别对蜂窝系统和D2D通信系统的中断概率以及系统吞吐量进行了分析。仿真结果验证了理论推导的正确性，同时表明，所提方案的可靠性能明显优于现有方案，在中低信噪比区域吞吐量增益高达12.3%，高信噪比区域性能相当。

Abstract

In order to solve the contradiction between the limited spectrum resources of wireless networks and the exponential increase of Internet of things devices

an enhanced cognitive non-orthogonal multiple access (NOMA) communication network with mixed cellular transmission and D2D communication was proposed. Based on the premise of improving the coverage of cellular communication

the D2D node was authorized to use the spectrum resources of cellular network to complete the communication task. In view of the advantages of high spectral efficiency of NOMA technology

a dynamic cognitive NOMA transmission scheme was designed. Considering channel estimation error was existed

the optimal power allocation that minimized the system outage probability was found

while the outage probabilities and system throughput of cellular system and D2D communication system were analyzed

respectively. The simulation results verify the correctness of the theoretical derivation

and show that the proposed scheme demonstrates significantly improved reliability compared to existing schemes

achieving a throughput gain of up to 12.3% in the low-to-medium SNR region while maintaining comparable performance in the high SNR region.

关键词

Keywords

references

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