[1]柯翔敏 陈江.NB-IoT系统概述及部署方案[J].信息化理论与实践,2018,(01):121-128.
　KE Xiangmin CHEN Jiang.NB-IoT System Overview and Deployment Schemes[J].Information Theory and Practice,2018,(01):121-128.
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NB-IoT系统概述及部署方案()
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《信息化理论与实践》[ISSN:2520-5862/CN:]

卷:
期数:
2018年01
页码:
121-128
栏目:
出版日期:
2019-06-06

文章信息/Info

Title:
NB-IoT System Overview and Deployment Schemes
作者:
柯翔敏 陈江
(华侨大学 网络与教育技术中心,福建 厦门 361021)
Author(s):
KE Xiangmin CHEN Jiang
(Center of Network and Educational Technology ,Huaqiao University ,Xiamen 361021,China)
关键词:
物联网; NB-IoT; 物理层结构; 部署方式
Keywords:
Internet of Things;  NB-IoT;  physical layer structure;  deployment method
摘要:
NB-IoT是部署在授权频谱上的低功耗广域网技术，它基于现有的移动蜂窝网络，广泛重用LTE无线技术。NB-IoT系统具有强覆盖、大容量、低功耗、低成本四大特点。NB-IoT的物理层结构基本上和LTE保持一致，除了上行支持单频和多播两种传输模式。NB-IoT有三种部署方式——独立部署、保护带部署与带内部署，其中最受关注的是带内部署方式。采用带内部署方式时，主载波的部署需要满足100 kHz信道栅格的载波搜索准则，因此主载波只能部署在特定的LTE资源块上。
Abstract:
NB-IoT is a low-power wide area network technology deployed on licensed spectrum. It is based on existing mobile cellular networks and widely reuses LTE wireless technology. The NB-IoT system has four characteristics: strong coverage, large capacity, low power consumption and low cost. The physical layer structure of NB-IoT is basically the same as that of LTE, except that the uplink supports both single- tone and multi-tone transmission modes. There are three deployment schemes for NB-IoT— stand alone deployment, guard band dep loyment, and in-band deployment, of which the most attractive is in-band deployment. When the in-band deployment mode is adopted, the deployment of the primary carrier of NB-IoT needs to meet the carrier search criteria of the 100 kHz raster. Therefore, the primary carrier of NB-IoT can only be deployed on specific LTE resource block s

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更新日期/Last Update: 2019-09-05