Research on wireless access technologies for Internet of things

Jianchi ZHU; Bei YANG; Peng CHEN; Xiaoming SHE; Qi BI

doi:10.11959/j.issn.2096-3750.2018.00056

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Research on wireless access technologies for Internet of things

Service and Application | 更新时间：2024-06-05

- Research on wireless access technologies for Internet of things
- Chinese Journal on Internet of Things Vol. 2, Issue 2, Pages: 73-84(2018)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-3750.2018.00056
  CLC： TN929.5
- Published：30 June 2018，
  
  Published Online：2018-06，
- 稿件说明：
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JIANCHI ZHU, BEI YANG, PENG CHEN, et al. Research on wireless access technologies for Internet of things. [J]. Chinese journal on internet of things, 2018, 2(2): 73-84.
DOI：

JIANCHI ZHU, BEI YANG, PENG CHEN, et al. Research on wireless access technologies for Internet of things. [J]. Chinese journal on internet of things, 2018, 2(2): 73-84. DOI： 10.11959/j.issn.2096-3750.2018.00056.

摘要

移动互联网和物联网是未来移动通信发展的两大主要驱动力，将为5G提供广阔的前景。物联网扩展了移动通信的服务范围，从“人的互联”向“万物互联”演进，低功耗大连接和低时延高可靠场景是5G物联网的两大场景。低功耗大连接场景具有小数据分组、低功耗、海量连接等特点。低功耗大连接场景不仅要求网络具备超千亿连接的支持能力，而且还要保证终端的超低功耗和超低成本。低时延高可靠场景主要面向车联网、自动驾驶、工业控制与远程医疗等应用。这类应用对时延和可靠性具有极高的指标要求，需要为用户提供毫秒级的端到端时延和接近 100%的业务可靠性保证。首先，介绍了面向低功耗大连接应用场景的各项技术，包括工作于未授权频谱的LoRa、SigFox等技术和工作于授权频谱的EC-GSM 、LTE-M和NB-IoT等技术；然后，给出了低时延高可靠场景的业务需求与性能指标；最后，描述了3GPP V2X和IEEE DSRC两大标准体系ITS技术的发展。

Abstract

Mobile Internet and Internet of things (IoT) are two major driving forces for the future development of mobile communications and will provide broad prospects for 5G.IoT expands the range of mobile communications services

evolving from “Internet of people” to “Internet of everything”.5G IoT scenarios include low-power massive-connections and low-latency high-reliability.Low-power massive-connections scenario has the characteristics of small data packets

low power consumption

mass connections.It not only requires the network to have the ability to support over a hundred billion connections

but also ensures the terminal’s ultra-low power consumption and ultra-low cost.Low-latency high-reliability scenario is primarily for applications

such as Internet of vehicle

autonomous driving

industrial control and remote medical.Such applications requires extremely high requirements on latency and reliability.They require to provide millisecond-level end-to-end latency and be close to 100% service reliability.Firstly

the technologies for low-power massive-connections scenario were introduced

including LoRa (long range wide area network) and SigFox operating on unlicensed spectrum and EC-GSM (extended coverage-GSM)

LTE-M and NB-IoT (narrow band Internet of things) operating on licensed spectrum.Then

an overview of service requirements and performance metrics for ultra-reliable low latency communications was presented.Finally

the development of ITS (intelligent transport system) technologies for both 3GPP V2X (vehicle-to-everything) and IEEE DSRC (dedicated short range communication) standards was described.

关键词

5G物联网低功耗大连接低时延高可靠

Keywords

5GInternet of thingslow-power massive-connectionslow-latency high-reliability

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ABBOUD K, OMAR H A, ZHUANG W . Interworking of DSRC and cellular network technologies for V2X communications:a survey[J]. IEEE Transactions on Vehicular Technology, 2016,65(12): 7457-9470.

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