通信学报 ›› 2023, Vol. 44 ›› Issue (12): 124-133.doi: 10.11959/j.issn.1000-436x.2023240
• 学术论文 • 上一篇
张昀, 周婧, 黄经纬, 于舒娟, 黄丽亚
修回日期:
2023-10-31
出版日期:
2023-12-01
发布日期:
2023-12-01
作者简介:
张昀(1975- ),女,江苏南京人,博士,南京邮电大学副教授,主要研究方向为智能化算法与通信信号处理基金资助:
Yun ZHANG, Jing ZHOU, Jingwei HUANG, Shujuan YU, Liya HUANG
Revised:
2023-10-31
Online:
2023-12-01
Published:
2023-12-01
Supported by:
摘要:
针对5G系统信号接收子载波间串扰和子符号间干扰问题,提出了一种高效的基于深度学习的信道估计模型。在导频处进行初步估计获得估计信道,并将其视为含噪声的低分辨率图像样本输入信道估计模型,通过学习低分辨率图像与高分辨率图像之间的映射关系,最终去除输入信道的噪声,还原高分辨率信道图像,获得整个信道状态信息。仿真结果表明,该模型不仅延续了传统注意力机制抑制冗余信息的优势,降低了计算开销,还能获得良好的精度和鲁棒性,对各种信道都有较好的估计效果。
中图分类号:
张昀, 周婧, 黄经纬, 于舒娟, 黄丽亚. 基于深度学习的正交频分复用系统信道估计[J]. 通信学报, 2023, 44(12): 124-133.
Yun ZHANG, Jing ZHOU, Jingwei HUANG, Shujuan YU, Liya HUANG. Channel estimation for OFDM system based on deep learning[J]. Journal on Communications, 2023, 44(12): 124-133.
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