面向无源物联网的环境反向散射通信技术

doi:10.11959/j.issn.2096-3750.2019.00107

物联网学报 ›› 2019, Vol. 3 ›› Issue (2): 28-34.doi: 10.11959/j.issn.2096-3750.2019.00107

面向无源物联网的环境反向散射通信技术

陶琴,钟财军,张朝阳

浙江大学信息与电子工程学院，浙江杭州 310027

修回日期:2019-05-10 出版日期:2019-06-30 发布日期:2019-07-17
作者简介:陶琴（1995- ），女，江西南昌人，浙江大学信息与电子工程学院博士生，主要研究方向为面向未来物联网的反向散射技术等。|钟财军（1982- ），男，浙江诸暨人，博士，浙江大学信息与电子工程学院教授，主要研究方向为下一代无线通信系统基础理论与关键技术。|张朝阳（1973- ），男，湖北蕲春县人，博士，浙江大学信息与电子工程学院教授，主要研究方向为新一代无线通信与智能网络、网络信息论与新型编译码以及感知—通信—计算协同融合。
基金资助:
国家自然科学基金资助项目(61671406);国家自然科学基金资助项目(61725104)

Ambient backscatter communications technology for batteryless IoT

Qin TAO,Caijun ZHONG,Zhaoyang ZHANG

College of Information Science and Electronic Engineering,Zhejiang University,Hangzhou 310027,China

Revised:2019-05-10 Online:2019-06-30 Published:2019-07-17
Supported by:
The National Natural Science Foundation of China(61671406);The National Natural Science Foundation of China(61725104)

摘要/Abstract

摘要：

环境反向散射通信技术具有低功耗和低成本的特征，是支撑无源物联网的核心使能技术之一。首先介绍了环境反向散射通信技术的基本概念和国内外研究现状，然后在深入分析环境反向散射通信技术与RFID技术区别的基础上，详细描述了环境反向散射通信系统面临的技术难点，包括检测时延长、误码率高、传输速率低以及通信距离短，进而提出了一系列潜在的解决方法，最后对环境反向散射通信的未来研究方向进行了展望。

关键词: 无源物联网, 环境反向散射通信, 信号检测

Abstract:

As one of the core enabling technologies supporting the batteryless Internet of things(IoT),ambient backscattering communication technology has the characteristics of low power consumption and low cost.Firstly,the basic concept of ambient backscattering communication technology and the research status at home and abroad were introduced.Then,based on an in-depth analysis of the differences between ambient backscattering communication technology and RFID technology,the technical difficulties faced by the ambient backscattering communication system were described in detail,including large detection delay,high bit error rate,low transmission rate and short communication distance.In addition,a series of potential solutions to the challenges were proposed.Finally,the future research directions of ambient backscattering communication were prospected.

Key words: battery less IoT, ambient backscatter communication, symbol detection

中图分类号:

TN926

陶琴,钟财军,张朝阳. 面向无源物联网的环境反向散射通信技术[J]. 物联网学报, 2019, 3(2): 28-34.

Qin TAO,Caijun ZHONG,Zhaoyang ZHANG. Ambient backscatter communications technology for batteryless IoT[J]. Chinese Journal on Internet of Things, 2019, 3(2): 28-34.

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面向无源物联网的环境反向散射通信技术

Ambient backscatter communications technology for batteryless IoT

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