Measurement and modeling of wireless body area network propagation characteristics of indoor environment at 10 GHz

Qin YANG; Lihua YANG; Lulu REN; Shanhu HUANG; Jiahuan LIU

doi:10.11959/j.issn.2096-3750.2022.00259

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Measurement and modeling of wireless body area network propagation characteristics of indoor environment at 10 GHz

Theory and Technology | 更新时间：2024-06-05

- Measurement and modeling of wireless body area network propagation characteristics of indoor environment at 10 GHz
- Chinese Journal on Internet of Things Vol. 6, Issue 1, Pages: 82-90(2022)
- 作者机构：
  
  1. 南京邮电大学江苏省无线通信重点实验室，江苏南京 210003
  2. 南京邮电大学通信与信息工程学院，江苏南京 210003
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-3750.2022.00259
  CLC： TN929.5
- Published：30 March 2022，
  
  Published Online：2022-03，
- 稿件说明：
移动端阅览
QIN YANG, LIHUA YANG, LULU REN, et al. Measurement and modeling of wireless body area network propagation characteristics of indoor environment at 10 GHz. [J]. Chinese journal on internet of things, 2022, 6(1): 82-90.
DOI：

QIN YANG, LIHUA YANG, LULU REN, et al. Measurement and modeling of wireless body area network propagation characteristics of indoor environment at 10 GHz. [J]. Chinese journal on internet of things, 2022, 6(1): 82-90. DOI： 10.11959/j.issn.2096-3750.2022.00259.

摘要

为了探索高频段室内无线体域网通信的可行性，对10 GHz室内无线体域网的传播特性进行测量与研究。基于大量的测量数据，给出了10 GHz频段室内无线体域网的路径损耗、阴影效应与均方根时延扩展的统计特性，并针对接收端身体角度变化的情况，提出了一种具有身体角度影响的路径损耗模型，该模型利用身体角度因子修正身体角度变化引入的路径损耗。同时，分析了接收端天线在人体不同高度时对路径损耗的影响。研究结果表明

路径损耗指数与身体角度呈二次函数关系，由身体角度引起的路径损耗（PBA

path loss in body angle）与身体角度之间的关系可以用带有系数的三角函数表示，且此系数与收发端之间的距离呈单调递减的指数函数关系。此外，当身体处于不同角度时，接收端天线位于人体不同高度时对路径损耗的影响比没有身体旋转角度时小。上述研究结果可以为未来10 GHz频段在室内无线体域网的使用提供理论基础与实践依据。

Abstract

To explore the feasibility of high-frequency in indoor wireless body area network (WBAN) communication

the propagation characteristics of 10 GHz for WBAN in indoor scenario was given.Based on a large number of measurement data

the path loss

the shadow effect and the root-based delay spread of the 10 GHz were present

and a novel path loss model with the body angle was proposed

which utilizes the body angular factor to correct the path loss caused by the change of body angle.Meanwhile

the influence of receiving antenna at different heights of body on path loss was analyzed.Research results show that the path loss exponent has a quadratic function relationship with the body angle

the relationship between the path loss (PBA) caused by the body angle and the body angle can be expressed by a trigonometric function with a coefficient

which has a monotonously decreasing exponential function relationship with the distance between the receiving and sending ends.In addition

when the body is at different angles

the effect of the receiving ends in the human body on the path loss is smaller than when there is no body rotation angle.The above research results can provide the theoretical and practical basis for the use of 10 GHz indoor wireless body area network in the future.

关键词

无线体域网室内环境高频段路径损耗时延扩展身体角度

Keywords

wireless body area networkindoor environmenthigh frequency bandpath lossdelay spreadbody angle

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