无源物联网的编码技术研究

杨义冰; 许荣涛; 陈霞; 王公仆; 艾渤

doi:10.11959/j.issn.2096-3750.2023.00340

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无源物联网的编码技术研究

专题：短距无线通信技术 | 更新时间：2024-08-16

- 无源物联网的编码技术研究
- Coding technology of passive internet of things
- 物联网学报 2023年7卷第3期页码：24-31
- 作者机构：
  
  1. 北京交通大学计算机与信息技术学院，北京 100091
  2. 北京交通大学电子信息工程学院，北京 100091
  3. 北京交通大学轨道交通控制与安全国家重点实验室，北京 100091
- 作者简介：
  
  [ "杨义冰（2000– ），女，北京交通大学计算机与信息技术学院博士生，主要研究方向为无线信号处理与移动互联网" ]
  [ "许荣涛（1975- ），男，博士，北京交通大学轨道交通控制与安全国家重点实验室副教授，主要研究方向为反向散射通信、5G/6G物理层关键技术" ]
  [ "陈霞（1975- ），女，博士，北京交通大学电子信息工程学院副教授，主要研究方向为轨道交通无线移动通信系统" ]
  [ "王公仆（1980- ），男，博士，北京交通大学计算机与信息技术学院教授，主要研究方向为无线信号处理与移动互联网" ]
  [ "艾渤（1974- ），男，博士，北京交通大学电子信息工程学院院长、教授，主要研究方向为移动通信" ]
- 基金信息：
  
  国家重点研发计划;The National Key Research and Development Program of China(2021YFB3901302)
- DOI：10.11959/j.issn.2096-3750.2023.00340
  中图分类号： TN919
- 纸质出版日期：2023-09-30，
  
  网络出版日期：2023-09，
- 稿件说明：
移动端阅览
杨义冰, 许荣涛, 陈霞, 等. 无源物联网的编码技术研究[J]. 物联网学报, 2023,7(3):24-31.

YIBING YANG, RONGTAO XU, XIA CHEN, et al. Coding technology of passive internet of things. [J]. Chinese journal on internet of things, 2023, 7(3): 24-31.
杨义冰, 许荣涛, 陈霞, 等. 无源物联网的编码技术研究[J]. 物联网学报, 2023,7(3):24-31. DOI： 10.11959/j.issn.2096-3750.2023.00340.

YIBING YANG, RONGTAO XU, XIA CHEN, et al. Coding technology of passive internet of things. [J]. Chinese journal on internet of things, 2023, 7(3): 24-31. DOI： 10.11959/j.issn.2096-3750.2023.00340.

摘要

无源反向散射通信技术能让传感器摆脱电池的束缚，避免繁杂的人工维护，有效降低传感器的成本。无源反向散射通信技术已被认为是实现无源物联网的关键技术之一。由于无源传感器节点资源受限，如何利用编码技术提高系统可靠性成为无源物联网的挑战性难题。聚焦无源物联网无源节点的编码和解码技术，首先，系统阐述传统信道编码发展历程，以及现有的RFID信道编码解码方案；然后，选择适合无源反向散射通信技术的3种编码方案；最后，仿真比较这3种编码方案的性能并总结优缺点。

Abstract

Passive backscatter communication can free wireless sensors from limited-life batteries and heavy manual maintenance

and will also reduce their hardware cost.Passive backscatter communication is one of the key technologies to realize the passive internet of things (IoT).Due to the limited resources of passive sensor nodes

how to use coding technology to improve system reliability has become a challenging problem for passive IoT.The coding and decoding technologies of passive nodes in the passive IoT were focused on.Firstly

the development history of traditional channel coding and the existing RFID channel coding and decoding schemes were systematically expounded.Then

three suitable coding schemes were selected for passive backscatter communication technology.Finally

the performance of these three encoding schemes were compared by simulation and the advantages and disadvantages were summarized.

关键词

无源物联网反向散射编码

Keywords

passive internet of thingsbackscattercoding

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无源物联网通信研究进展与演进思考