面向电力物联网三维空间几何信道建模的研究

秦剑华; 杨穆天; 路永玲; 王真; 胡成博

doi:10.11999/JEIT211300

面向电力物联网三维空间几何信道建模的研究

doi: 10.11999/JEIT211300

1.
国网江苏省电力有限公司电力科学研究院南京 211103
2.
中国石油大学信息科学与工程学院北京 102249

详细信息

作者简介:
秦剑华：男，博士，工程师，研究方向为电力物联网技术、设备状态信息评估技术

杨穆天：男，研究方向为自动化控制和人工智能

路永玲：女，硕士，高级工程师，研究方向为电力智能运检关键技术

王真：男，硕士，工程师，研究方向为电力智能运检关键技术

胡成博：男，硕士，高级工程师，研究方向为电力物联网技术、设备状态智能诊断技术等

通讯作者:
秦剑华　nannan828@126.com

中图分类号: TN929.53
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- 被引次数: 0
出版历程
- 收稿日期: 2021-11-10
- 修回日期: 2022-04-13
- 网络出版日期: 2022-04-19
- 刊出日期: 2022-09-19

Research on Three-Dimensional Geometry-Based Channel Modeling for Power Internet of Things Communications

1.
Electric Power Research Institute, State Grid Jiangsu Electric Power Co., Ltd, Nanjing 211103, China
2.
College of Information Science and Engineering, China University of Petroleum, Beijing 102249, China

摘要

摘要: 当前研究主要采用椭圆模型描述第6代 (6G)电力物联网(IoT)物理层多节点通信场景，忽视了信号传输路径的俯仰角对系统性能造成的影响。为解决这一问题，该文通过建立3维半椭球体几何传输模型描述6G电力物联网物理层通信场景，提高了电力物联网异构网物理层数据传输分析过程中的准确度。在提出的传输分析算法中，通过推导电力物联网通信无线传输信道中不同传输路径的复冲激响应函数表达式，揭示物理层数据的传输特性。数值分析不同传输路径间的互相关特性，探索电力物联网的时域传输特性，验证上述信道传输特性仿真结果的正确性，对于分析与设计电力物联网无线通信系统具有重要的理论依据和技术支撑。
- 6G电力物联网 /
- 3维半椭球体 /
- 信道模型 /
- 异构网 /
- 传输特性
Abstract: The existing literature adopt ellipse models to describe the communication scenarios of the power Internet of Things (IoT) for sixth Generation (6G), which neglect the impacts of the elevation angles of the paths on the propagation characteristics. To solve this issue, a three-dimensional semi-ellipsoid model to describe the communication scenarios of the power IoT for 6G is proposed, which improves the matching accuracy of the propagation model with the practical communication scenarios of the power Internet of Things. In the proposed algorithm, the transmission characteristics of physical layer data are revealed by deriving expressions for the complex impulse response functions of different transmission paths in the wireless transmission channel of power IoT communication. Simulation results analyze the cross-correlation characteristics between different transmission paths, explore the multi-node channel transmission characteristics of the power IoT, and Verify the correctness of the above data transmission analysis algorithm. The aforementioned research is meaningful for the design of the power internet of things communications systems.
- Power Internet of Things (IoT) for 6G /
- Three-dimensional semi-ellipsoid model /
- Channel model /
- Heterogeneous network /
- Propagation characteristics

HTML全文

图 1 电力物联网物理层信道传输模型

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图 2 空间互相关特性与天线间距的关系

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图 3 不同运动时间$ t $和不同参数($ {\kappa _1} $和$ {\kappa _2} $)对信道空间互相关特性造成的影响

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图 4 不同运动时间$ t $和不同参数($ {\kappa _1} $和$ {\kappa _2} $)对信道时域自相关特性造成的影响

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图 5 信道在不同时刻下有/无直达路径分量时的时域自相关特性

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图 6 不同运动时间$ t $和不同参数($ {\kappa _1} $和$ {\kappa _2} $)对信道多普勒功率谱造成的影响

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