Research on Dynamic Spectrum Sharing Solution of Indoor Distribution System

2021 2nd Information Communication Technologies Conference (ICTC) Pub Date : 2021-05-07 DOI:10.1109/ICTC51749.2021.9441605

Pingping Lin, Weiliang Xie, Chunlei Hu

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引用次数: 2

Abstract

The dynamic spectrum sharing scheme is a hot topic in the current wireless communication industry. This feature created unlimited possibilities for operators to achieve 5G NR coverage in the low frequency band of the indoor distribution system. At the same time, the dynamic spectrum sharing of the indoor distribution system also helped operators to save the high cost of frequency re-farming or purchasing new spectrum licenses, which also helped to smoothly transition the LTE users base to 5G and introduce standalone network faster. The background, deployment and key technical solutions of dynamic spectrum sharing were discussed in this paper. The main technical solutions included MBSFN subframe solution, LTE punching solution and NR punching solution. In addition, the 2.1G 20MHz dynamic spectrum sharing experiment of the indoor distribution system was also carried out. Experiments were carried out at multiple sampling points under NR 20MHz, LTE 20MHz and DSS 20MHz scenarios. The experimental data can provide certain reference value for the subsequent smoothing performance of the indoor distribution system, and also provide a direction for the further research on dynamic spectrum sharing technology with larger bandwidth.

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室内分配系统动态频谱共享方案研究

动态频谱共享方案是当前无线通信领域的研究热点。这一特性为运营商在室内分配系统的低频段实现5G NR覆盖创造了无限可能。同时，室内分配系统的动态频谱共享也帮助运营商节省了频率再分配或购买新频谱许可证的高昂成本，这也有助于LTE用户群平稳过渡到5G，并更快地引入独立网络。本文讨论了动态频谱共享的背景、部署和关键技术解决方案。主要技术方案包括MBSFN子帧方案、LTE冲孔方案和NR冲孔方案。此外，还对室内分配系统进行了2.1G 20MHz动态频谱共享实验。在NR 20MHz、LTE 20MHz和DSS 20MHz场景下进行了多个采样点的实验。实验数据可以为后续室内分配系统的平滑性能提供一定的参考价值，也为更大带宽的动态频谱共享技术的进一步研究提供了方向。

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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2021 2nd Information Communication Technologies Conference (ICTC)

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