9.5～10.5 GHz频段室内离体信道的测量与建模

黄山虎; 孙君; 常浩飞; 吕文俊; 杨钦

doi:10.11959/j.issn.2096-3750.2022.00263

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9.5～10.5 GHz频段室内离体信道的测量与建模

理论与技术 | 更新时间：2024-06-05

- 9.5～10.5 GHz频段室内离体信道的测量与建模
- Measurement and modeling of indoor off-body channel in the 9.5～10.5 GHz band
- 物联网学报 2022年6卷第2期页码：117-126
- 作者机构：
  
  1. 南京邮电大学，江苏南京 210003
  2. 江苏省无线通信重点实验室，江苏南京 210003
- 作者简介：
  
  [ "黄山虎（1996− ），男，南京邮电大学通信与信息工程学院硕士生，主要研究方向为物联网体域网、信道测量建模" ]
  [ "孙君（1980− ），女，博士，南京邮电大学副研究员，主要研究方向为无线网络、无线资源管理和物联网" ]
  [ "常浩飞（1996− ），男，南京邮电大学通信与信息工程学院硕士生，主要研究方向为无线网络、无线信道测量" ]
  [ "吕文俊（1978− ），男，博士，南京邮电大学教授，主要研究方向为天线理论与设计、无线信道测量与建模" ]
  [ "杨钦（1996− ），男，南京邮电大学通信与信息工程学院硕士生，主要研究方向为无线传播、无线信道建模" ]
- 基金信息：
  
  国家自然科学基金资助项目;The National Natural Science Foundation of China(61771255);省部级重点实验室开放项目;The Provincial Key Laboratory Opening Project(20190904)
- DOI：10.11959/j.issn.2096-3750.2022.00263
  中图分类号： TN929.5
- 纸质出版日期：2022-06-30，
  
  网络出版日期：2022-06，
- 稿件说明：
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黄山虎, 孙君, 常浩飞, 等. 9.5～10.5 GHz频段室内离体信道的测量与建模[J]. 物联网学报, 2022,6(2):117-126.

SHANHU HUANG, JUN SUN, HAOFEI CHANG, et al. Measurement and modeling of indoor off-body channel in the 9.5～10.5 GHz band. [J]. Chinese journal on internet of things, 2022, 6(2): 117-126.
黄山虎, 孙君, 常浩飞, 等. 9.5～10.5 GHz频段室内离体信道的测量与建模[J]. 物联网学报, 2022,6(2):117-126. DOI： 10.11959/j.issn.2096-3750.2022.00263.

SHANHU HUANG, JUN SUN, HAOFEI CHANG, et al. Measurement and modeling of indoor off-body channel in the 9.5～10.5 GHz band. [J]. Chinese journal on internet of things, 2022, 6(2): 117-126. DOI： 10.11959/j.issn.2096-3750.2022.00263.

摘要

为探索高频段室内离体信道的无线传播特性，对9.5～10.5 GHz频段多个典型室内场景进行离体信道测量。在大尺度衰落方面，通过研究路径损耗发现人体遮挡因子与旋转角度呈正弦函数关系，并与收发端距离呈现负指数关系，因此建立距离与角度联合相关的新型路径损耗模型，并根据阴影衰落统计特性证明新模型的精确性与适用性。在小尺度衰落方面，通过分析路径损耗与均方根（RMS

root mean square）时延扩展的线性相关性，获得距离与角度相关的新型 RMS 时延扩展模型。证明了收发端距离与人体旋转产生的遮挡因子越大，路径损耗和多径衰落也越严重。新型离体信道模型可用于设计物联网环境体域网（BAN

body area network）的离体链路，为未来的室内无线通信系统提供理论与实践基础。

Abstract

In order to explore the wireless propagation characteristics of high-frequency indoor off-body channel

off-body channel measurements were carried out on multiple typical indoor scenes in the 9.5～10.5 GHz frequency band.In terms of large-scale fading

through studying the path loss

it is found that the human body occlusion factor has a sine function relationship with the rotation angle

and a negative exponential relationship with the distance between the receiver and transmitter.Therefore

a new type of off-body channel loss model related to distance and angle was established

and the accuracy and applicability of the new model was proved based on the shadow fading.In terms of small-scale fading

by analyzing the linear correlation between path loss and root mean square (RMS) delay spread

a new type of RMS delay spreading model related to distance and angle was obtained.It proves that the greater the distance between the antenna at the transceiver end and the occlusion factor caused by the rotation of the human body

the more severe the path loss and multipath fading.The new channel model can be used to design the off-body link of the internet of things environment body area network (BAN)

providing a theoretical and practical basis for the future design of indoor wireless communication systems.

关键词

离体信道测量路径损耗RMS时延扩展多径衰落

Keywords

off-body channel measurementpath lossRMS delay spreadmultipath fading

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