NB-IoT系统现状与发展
发布时间：2017-02-09
作者：张万春，陆婷，高音
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[摘要] 通过与现有长期演进（LTE）系统对比，认为窄带物联网（NB-IoT）在物理层、空口高层、接入网、核心网引入的各项优化特性能够很好地满足物联网低功耗、低成本、深度覆盖的典型需求。NB-IoT在标准体系统一、扩展能力上具有巨大优势，必将成为物联网技术及产业链发展、物联网应用在全球部署的有力推动者。
[关键词] NB-IoT；网络架构；系统特性
[Abstract] By comparing with the existing long term evolution (LTE) system, we believe that the various optimization characteristics in physical layer, interface level, access network, core network of narrowband Internet of things (NB-IoT) can well meet the typical needs ( low-power, low-cost, depth-coverage) of IoT. With the advantages like unified standard system and easy to expand, NB-IOT will accelerate industry chain progress and enable more business opportunities.
[Keywords] NB-IoT; network architecture; system characteristics
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