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面向6G的高分辨率无线信道频域仿真方法及定位技术研究

李元杰 董超 牛凯

李元杰, 董超, 牛凯. 面向6G的高分辨率无线信道频域仿真方法及定位技术研究[J]. 电子与信息学报, 2021, 43(1): 13-20. doi: 10.11999/JEIT200348
引用本文: 李元杰, 董超, 牛凯. 面向6G的高分辨率无线信道频域仿真方法及定位技术研究[J]. 电子与信息学报, 2021, 43(1): 13-20. doi: 10.11999/JEIT200348
Yuanjie LI, Chao DONG, kai NIU. High Resolution Wireless Channel Simulation and Localization Technique for 6G Network[J]. Journal of Electronics & Information Technology, 2021, 43(1): 13-20. doi: 10.11999/JEIT200348
Citation: Yuanjie LI, Chao DONG, kai NIU. High Resolution Wireless Channel Simulation and Localization Technique for 6G Network[J]. Journal of Electronics & Information Technology, 2021, 43(1): 13-20. doi: 10.11999/JEIT200348

面向6G的高分辨率无线信道频域仿真方法及定位技术研究

doi: 10.11999/JEIT200348
基金项目: 国家重点研发计划(2018YFE0205501)
详细信息
    作者简介:

    李元杰:男,1996年生,博士生,研究方向为未来移动通信技术、物理层信号处理以及信道编码

    董超:男,1984年生,副教授,研究方向为无线通信物理层信号处理,包括多天线信号处理、非正交多址接入、多用户预编码、判决反馈均衡器设计、中继信号处理等

    牛凯:男,1976年生,教授,研究方向为迭代信道编码、MIMO空时信号处理、跨层优化、认知无线电、无线网络规划与优化

    通讯作者:

    牛凯 niukai@bupt.edu.cn

  • 中图分类号: TN929.531

High Resolution Wireless Channel Simulation and Localization Technique for 6G Network

Funds: The National Key R&D Program of China (2018YFE0205501)
  • 摘要: 为了应对6G无线信道中的小数时延和同步误差给定位系统带来的挑战,该文提出基于频域等效的高分辨率信道方法仿真以及基于到达角(AOA)信息的高分辨率定位技术。前者通过将信道抽头时延转换到频域处理,在降低时域方法带来的高复杂度的同时实现了高分辨率仿真,为时延定位信息的实现提供基础;后者则通过将迭代信道估计、基于首到达径检测的AOA估计算法与基于AOA信息的位置估计算法结合起来,在同步误差下实现高精度定位。数值仿真结果表明,二者均在相应的实际场景下实现了高分辨率特性。
  • 图  1  接收阵列结构

    图  2  定位系统的一般架构

    图  3  基于首到达径检测的AOA估计算法流程

    图  4  AOA定位问题的几何关系

    图  5  信道时频域统计特性仿真

    图  6  定位误差经验累积概率函数

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出版历程
  • 收稿日期:  2020-05-08
  • 修回日期:  2020-09-07
  • 网络出版日期:  2020-10-12
  • 刊出日期:  2021-01-15

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