NB-IoT和LTE-MTC与5G新无线电共存的灵活高效部署

IEEE INFOCOM 2019 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS) Pub Date : 2019-04-01 DOI:10.1109/INFCOMW.2019.8845119

Mohammad Mozaffari, Y.-P. Eric Wang, O. Liberg, Johan Bergman

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引用次数: 8

摘要

本文讨论了窄带物联网(NB-IoT)或机器类型通信的长期演进(LTE-MTC，又称LTE-M)与第5代(5G)新无线电接入(NR)共存的问题。我们提出了一种有效的方案，通过将NB-IoT或LTE-M载波优化放置在NR载波内，保持资源效率并防止相互干扰。我们的方案能够在相同的NR频谱上部署移动宽带和超可靠低延迟通信(URLLC)服务，以及用于物联网服务的NB-IoT或LTE-M。分析了NR与NB-IoT和LTE-M载波共存时的子载波网格和资源块对齐问题。最后，我们提供了关于NB-IoT和LTE-M在不同NR信道带宽下部署在NR内的最佳位置的综合结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Flexible and Efficient Deployment of NB-IoT and LTE-MTC in Coexistence with 5G New Radio

This paper addresses the coexistence of Narrowband IoT (NB-IoT) or Long Term Evolution for Machine-Type Communications (LTE-MTC, a.k.a. LTE-M) on one hand, and the 5th generation (5G) New Radio access (NR) on the other. We propose an effective scheme which maintains resource efficiency and prevents mutual interference, by optimally placing an NB-IoT or LTE-M carrier inside an NR carrier. Our scheme enables the deployment on the same spectrum of NR for mobile broadband and ultra-reliable low-latency communications (URLLC) services and NB-IoT or LTE-M for IoT services. We analyze the problem of subcarrier grid and resource block alignments in the coexistence of NR with NB-IoT and LTE-M carriers. Finally, we provide comprehensive results on the optimal locations of NB-IoT and LTE-M which are deployed inside NR for various NR channel bandwidths.

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来源期刊

IEEE INFOCOM 2019 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)

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