基于残差注意力密集网络的协作频谱感知方法

王安义; 朱涛; 龚健超

doi:10.11959/j.issn.1000-0801.2025031

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基于残差注意力密集网络的协作频谱感知方法

研究与开发 | 更新时间：2025-03-11

- 基于残差注意力密集网络的协作频谱感知方法
- Cooperative spectrum sensing method based on residual attention dense network
- 电信科学 2025年41卷第2期页码：84-94
- 作者机构：
  
  西安科技大学通信与信息工程学院，陕西西安 710600
- 作者简介：
  
  [ "王安义（1968- ），男，博士，西安科技大学通信与信息工程学院教授，主要研究方向为无线通信、深度学习，以及矿山信息化技术等。" ]
  [ "朱涛（2001- ），男，西安科技大学通信与信息工程学院硕士生，主要研究方向为认知无线电、频谱感知、深度学习。" ]
  [ "龚健超（2002- ），男，西安科技大学通信与信息工程学院硕士生，主要研究方向为认知无线电、频谱感知。" ]
- 基金信息：
  
  国家自然科学基金资助项目(62471384)
- DOI：10.11959/j.issn.1000-0801.2025031
  中图分类号： TN911
- 收稿：2024-11-05，
  
  修回：2025-01-17，
  
  纸质出版：2025-02-20
- 稿件说明：
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王安义,朱涛,龚健超.基于残差注意力密集网络的协作频谱感知方法[J].电信科学,2025,41(02):84-94.

WANG Anyi,ZHU Tao,GONG Jianchao.Cooperative spectrum sensing method based on residual attention dense network[J].Telecommunications Science,2025,41(02):84-94.
王安义,朱涛,龚健超.基于残差注意力密集网络的协作频谱感知方法[J].电信科学,2025,41(02):84-94. DOI： 10.11959/j.issn.1000-0801.2025031.

WANG Anyi,ZHU Tao,GONG Jianchao.Cooperative spectrum sensing method based on residual attention dense network[J].Telecommunications Science,2025,41(02):84-94. DOI： 10.11959/j.issn.1000-0801.2025031.

摘要

针对基于卷积神经网络（convolutional neural network，CNN）的协作频谱感知算法存在的网络结构简单、特征提取能力不足和感知性能下降等问题，提出了一种基于残差注意力密集网络（residual attention dense network，RADN）的协作频谱感知算法。该算法通过改进基础残差块，从感受野、通道和空间3个维度引入注意力机制，结合残差连接和密集连接，构建了强大的深层特征提取结构——密集残差（residual in dense，RID），显著提升了网络的特征提取能力和频谱感知性能。实验结果表明，相较于传统深度学习方法，RADN算法在低信噪比（signal-to-noise ratio，SNR）条件下表现出显著的性能提升。该方法不仅能够适应多种调制方式，还具备较高的检测概率和良好的鲁棒性。

Abstract

To address the limitations of cooperative spectrum sensing algorithms based on convolutional neural network (CNN)

including simple network structures

insufficient feature extraction

and reduced sensing performance

a cooperative spectrum sensing algorithm based on residual attention dense network (RADN) was proposed. The basic residual block was enhanced and attention mechanisms across receptive field

channel

and spatial dimensions were introduced. By integrating residual and dense connections

a powerful deep feature extraction framework was formed

which was termed residual in dense (RID)

its feature extraction and sensing performance had been significantly boosted. Experimental results show that under low signal-to-noise ratio (SNR) conditions

the RADN algorithm outperforms traditional deep learning methods

adapting well to various modulation schemes and achieving high detection probability and robustness.

关键词

Keywords

references

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