无源物联网通信研究进展与演进思考

doi:10.11959/j.issn.2096-3750.2023.00315

物联网学报 ›› 2023, Vol. 7 ›› Issue (3): 15-23.doi: 10.11959/j.issn.2096-3750.2023.00315

• 专题：短距无线通信技术 • 上一篇

无源物联网通信研究进展与演进思考

李源¹, 张雨露¹, 丁郁¹, 马帅¹, 肖善鹏¹, 肖建明², 李建³

¹ 中国移动通信研究院物联网技术与应用研究所，北京 100032
² 中国移动通信集团供应链管理中心，北京 100032
³ 电子科技大学，四川成都 611731

修回日期:2023-03-21 出版日期:2023-09-01 发布日期:2023-09-01
作者简介:李源（1990- ），女，中国移动通信研究院物联网技术与应用研究所工程师，主要研究方向为无源物联网、车联网、物联网体系架构、无线通信技术等
张雨露（1997- ），女，中国移动通信研究院物联网技术与应用研究所研究员，主要研究方向为无源物联网、行业现场网技术及标准等
丁郁（1984- ），女，博士，中国移动通信研究院物联网技术与应用研究所研究员，主要研究方向为车联网关键技术与应用、物联网通信技术、下一代物联网体系架构等
马帅（1981- ），男，中国移动通信研究院物联网技术与应用研究所副所长，主要研究方向为无源物联网、工业现场网、车联网、物联网感知等
肖善鹏（1976- ），男，中国移动通信研究院物联网技术与应用研究所所长、高级工程师，主要研究方向为物联网新技术和产业数字化等
肖建明（1967- ），男，博士，中国移动通信集团供应链管理中心物流管理与运营部副经理、教授级高级工程师，主要研究方向为电磁场与微波技术、天线和现代供应链数智化转型管理等
李建（1983- ），男，博士，电子科技大学教授，主要研究方向为射频识别、物联网、移动通信等无线通信核心芯片与集成系统
基金资助:
中国移动研究院-中关村创新院联合研发项目(2022H002)

Research progress and evolution prospect of passive internet of things communication

Yuan LI¹, Yulu ZHANG¹, Yu DING¹, Shuai MA¹, Shanpeng XIAO¹, Jianming XIAO², Jian LI³

¹ Internet of Things Technology and Application Institute of China Mobile Research Institute, Beijing 100032, China
² Supply Chain Management Center of China Mobile Communications Group, Beijing 100032, China
³ University of Electronic Science and Technology of China, Chengdu 611731, China

Revised:2023-03-21 Online:2023-09-01 Published:2023-09-01
Supported by:
The Joint Project of China Mobile Research Institute＆ X-NET(2022H002)

摘要/Abstract

摘要：

无源物联网是产业数字化转型升级的基础性使能技术，近年来，射频识别等无源物联网通信技术以其低成本、零功耗、易部署等优势被广泛应用于资产管理领域。在此背景下，介绍了无源物联网通信技术最新研究进展，详细分析了潜在演进趋势，深入思考无源物联网通信技术的发展瓶颈及技术挑战，并提出与蜂窝网络深度融合的新型无源物联网通信解决方案与关键技术研究方向，希望能为无源物联网通信技术发展提供新的思路。

关键词: 无源物联网通信, 反向散射, 环境能量采集, 蜂窝系统

Abstract:

Passive internet of things (IoT) is the fundamentally enabling technology of promoting digital transformation and upgrading of industries.In recent years, passive IoT communication technology such as radio frequency identification has been widely used in asset management fields due to its advantages of low cost, zero power consumption, and easy deployment.In this context, passive IoT communication technology and the latest research progress were introduced, the potential evolution prospects of passive IoT were analyzed.Based on that, development bottlenecks and challenges of passive IoT communication were given, a novel passive IoT communication system with deep fusion of the cellular system was presented, and the key technology research directions of this field were proposed.It is aimed to inspire new thoughts for the development of passive IoT communication technology.

Key words: passive IoT communication, backscatter, ambient energy harvesting, cellular system

中图分类号:

TN919

李源, 张雨露, 丁郁, 马帅, 肖善鹏, 肖建明, 李建. 无源物联网通信研究进展与演进思考[J]. 物联网学报, 2023, 7(3): 15-23.

Yuan LI, Yulu ZHANG, Yu DING, Shuai MA, Shanpeng XIAO, Jianming XIAO, Jian LI. Research progress and evolution prospect of passive internet of things communication[J]. Chinese Journal on Internet of Things, 2023, 7(3): 15-23.

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研究方向	关键技术	文献	主要工作
环境反向散射	多天线技术	[8-9]	多天线选择方案
		[10]	用于同步能量收集与信息传输的波束成形方法
	宽带射频能量采集技术	[11-12]	频率搬移与载波干扰消除
环境能量采集	复合能量供能技术	[13]	太阳能、静电能、射频能组合供能系统
	能量利用优化	[14]	收发分离反向散射系统能量分配优化算法
	中断点标识	[15]	最佳系统中断点标识与存储算法
高效通信	调制-编码方式	[16]	基于二进制相移键控（BPSK, binary phase shift keying）的反向散射调制
		[17]	基于正交振幅调制（QAM, quadrature amplitude modulation）的反向散射调制
		[18-19]	基于正交频分复用（OFDM, orthogonal frequency division multiplexing）的无源多载波调制
		[20]	反向散射系统中的高能效编码方式
	多址接入方式	[21-22]	时分多路访问（TDMA, time division multiple access）与非正交多址接入（NOMA, non-orthgonal multiple access）相结合的混合接入方案
		[23]	基于NOMA的反向散射系统带宽资源分配方法

无源物联网通信研究进展与演进思考

Research progress and evolution prospect of passive internet of things communication

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