NB-IoT下行接收机小区搜索的设计与实现

2018 IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA) Pub Date : 2018-11-01 DOI:10.1109/CICTA.2018.8705949

Shuo Chen, Yu Li, M. H. Memon, F. Lin

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引用次数: 5

摘要

窄带物联网(NB-IoT)是建立在蜂窝网络上的。它具有低功耗、低成本、超覆盖、大连接等优点。小区搜索是NB-IoT的重要组成部分，其主要目的是获取物理层小区身份。由于NB-IoT的小区没有分组，因此NB-IoT小区搜索比LTE系统更复杂。本文提出了一种有效降低NB-IoT小区搜索复杂度的方法。仿真结果表明，在10帧的情况下，检测精度达到80%，信噪比为-12.6dB。

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Design and Implementation of Cell Search in NB-IoT Downlink Receiver

Narrow Band Internet of Things (NB-IoT) is built on cellular network. It has the advantages of low power consumption, low cost, super coverage and large connection. Cell search is an essential component of NB-IoT and its main purpose is to obtain the Physical-layer Cell Identity. Since the cells of NB-IoT are not grouped, NB-IoT cell search is more complex than LTE systems. In this paper, we propose an effective method to reduce the complexity of NB-IoT cell search. Simulation results show that the detection accuracy reaches 80% with 10 radio frames, with a signal-to-noise ratio of -12.6dB.

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2018 IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA)

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