Field trial of the 3.5 GHz citizens broadband radio service governed by a spectrum access system (SAS)

2017 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) Pub Date : 2017-03-06 DOI:10.1109/DySPAN.2017.7920760

M. Palola, M. Höyhtyä, Pekka Aho, M. Mustonen, Tero Kippola, Marjo Heikkilä, Seppo Yrjölä, Vesa Hartikainen, L. Tudose, Arto Kivinen, R. Ekman, Juhani Hallio, J. Paavola, Marko Mäkeläinen, T. Hänninen

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引用次数: 50

Abstract

In this paper, we describe a spectrum access system (SAS) based Citizens Broadband Radio Service (CBRS) field trial using a live LTE network in the 3.5 GHz band. The latest WInnForum specification guided the implementation of the relevant protocols for SAS operation. Here, we evaluate the performance of a CBRS field trial by using one of the most important performance indicators in a spectrum sharing scenario — the evacuation time. It indicates how rapidly the secondary user relinquishes the shared spectrum band to the primary user. Following the applied protocols, we measure and analyze the time scales for the evacuation and frequency change procedures in a field trial environment. Our work shows that the set time limits for the protection of primary users against interference are realistic when using commercially available mobile networks and equipment. Finally, utilizing knowledge of the latest base station models, we propose ways to reduce the evacuation and reconfiguration time by up to 70%.

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频谱接入系统(SAS)管理的3.5 GHz市民宽带无线电业务现场试验

在本文中，我们描述了一种基于频谱接入系统(SAS)的公民宽带无线电业务(CBRS)现场试验，该试验使用3.5 GHz频段的实时LTE网络。最新的WInnForum规范指导了SAS操作相关协议的实现。在这里，我们通过使用频谱共享场景中最重要的性能指标之一-疏散时间来评估CBRS现场试验的性能。它表示备用用户将共享频段让与主用户的速度。根据应用方案，我们测量和分析了现场试验环境中疏散和频率变化程序的时间尺度。我们的工作表明，当使用商用移动网络和设备时，保护主要用户免受干扰的设定时间限制是现实的。最后，利用最新基站模型的知识，我们提出了减少疏散和重新配置时间高达70%的方法。

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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2017 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)

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