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物联网无线接入技术研究
Research on wireless access technologies for Internet of things
- 物联网学报 2018年2卷第2期 页码：73-84
- 作者机构：
- 作者简介：
[ "朱剑驰（1981-），男，中国电信技术创新中心高级工程师，主要研究方向为无线通信技术与LTE/5G标准化。" ]
[ "杨蓓（1988-），女，中国电信技术创新中心工程师，主要研究方向为4G/5G系统的关键技术、物联网技术、3GPP标准化等。" ]
[ "陈鹏（1975-），男，博士，中国电信技术创新中心高级工程师、总监，主要研究方向为无线通信前瞻技术与标准化。" ]
[ "佘小明（1977-），男，博士，中国电信技术创新中心高级工程师，主要研究方向为无线通信技术与LTE/5G标准化。" ]
[ "毕奇，男，博士，中国电信技术创新中心主任，北京研究院总工程师，贝尔实验室院士，国际电机电子工程师学会 IEEE 会士，2010年全职回国并入选中央组织部第四批千人计划专家，无线通信领域的国际知名专家。" ]
- 基金信息：
DOI：10.11959/j.issn.2096-3750.2018.00056
中图分类号： TN929.5纸质出版日期：2018-06-30，
网络出版日期：2018-06，
- 稿件说明：
移动端阅览
朱剑驰, 杨蓓, 陈鹏, 等. 物联网无线接入技术研究[J]. 物联网学报, 2018,2(2):73-84.
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.
朱剑驰, 杨蓓, 陈鹏, 等. 物联网无线接入技术研究[J]. 物联网学报, 2018,2(2):73-84. DOI： 10.11959/j.issn.2096-3750.2018.00056.
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
references
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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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