The Rate Analysis of NB-IoT Uplink Shared Channel
首发时间:2017-09-11
Abstract:With the internet of thing market growing rapidly, the low rate applications occupy most of the connections of IoT. However, existing network techniques can\'t match them very well. NB-IoT owning wide coverage, low power, low cost, large connection, stands out from many candidates for low rate applications. Based on the analysis of the characteristics of NB-IoT technology, this paper deeply studies the coverage of NB-IoT by combining the features of uplink (UP) / downlink (DL) frame structure, multiplexing method and scheduling unit used by narrowband IoT (NB-IoT). Firstly, the uplink and downlink rate ability were analyzed .Then, according to the rate requirement, the coverage capability, cell capacity and throughput were quantitatively analyzed and suggestions about the NB-IoT network planning were given.
keywords: NB-IoT rate ability capacity
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NB-IoT上行链路速率分析
摘要:物联网市场将迎来快速发展,其中低速率业务连接数占了绝大部分,然而现有网络无法很好满足低速率业务的需求。NB-IoT作为一种窄带物联网技术,具有广覆盖、低功耗、低成本、大连接的特点,从众多候选技术中脱颖而出。本文在分析NB-IoT技术特点的基础上,结合窄带物联网系统的上下行帧结构、复用方式、调度单元的特点,对NB-IoT的覆盖能力展开了深入研究。首先分析了NB-IoT的上行速率和下行速率能力,然后基于速率需求对覆盖能力、小区容量和吞吐量进行了定量分析,给出了NB-IoT规划的建议。
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