Research on detection method of human body communication signal transmission based on various path length

HOU Songyue; LIAO Wei; ZHOU Lingli

doi:10.13873/J.1000-9787(2021)09-0022-04

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Research on detection method of human body communication signal transmission based on various path length

更新时间：2025-09-11

- Research on detection method of human body communication signal transmission based on various path length
- Issue 9, Pages: 22-25(2021)
- 作者机构：
  
  上海工程技术大学电子电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2021)09-0022-04
  CLC： TN911.23
- Published：2021
- 稿件说明：
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HOU Songyue, LIAO Wei, ZHOU Lingli. Research on detection method of human body communication signal transmission based on various path length[J]. 2021, (9): 22-25.
DOI：

HOU Songyue, LIAO Wei, ZHOU Lingli. Research on detection method of human body communication signal transmission based on various path length[J]. 2021, (9): 22-25. DOI： 10.13873/J.1000-9787(2021)09-0022-04.

摘要

为了研究了人体通信(HBC)中信号传输检测与通信链路路径长度的关系

在同一人体模型下检测了不同链路的信号传输特性与传输链路路径长度的关系(横向检测分析);考虑到信号在人体表面非直线传播的特性

通过设置对照组

检测了不同身高人体模型下信号发射端传感器和接收传感器位置相对一致的链路

研究了其信道传输特性与通信链路路径长度的关系(纵向检测分析)。通过横向和纵向的比较

说明在HBC频段

路径长度对人体通信信号传输特性有一定影响

即随着传输链路路径长度的增大

信号传输的路径损耗增大。另外

检测表明这种关系在信号非直线传播的情况下也成立。

Abstract

In order to study on relationship between signal transmission detection and path length of communication link in human body communication（HBC）

on one hand

transmission characteristics of different transmission channels in the same human body model are studied

on the other hand

the transmission characteristics of same-named transmission links（links whose transmitter and receivers sensors are in the correspondingly same positions） among different models are studied.According to the lateral and longitudinal comparisons

the analysis shows that channel transmission characteristics bear positive correlation with path length.This correlation can be put in this way that signal transmission path loss goes up with the increase of transmission path length and the analysis also shows that this correlation is true in non-straight propagation.

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