| 基于3.5GHz&2.1GHz混合组网的高铁覆盖规划研究 |
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| 引用本文： | 王凌风,卢国潇.基于3.5GHz&2.1GHz混合组网的高铁覆盖规划研究[J].电信工程技术与标准化,2020(10). |
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| 作者姓名： | 王凌风 卢国潇 |
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| 作者单位： | 华信咨询设计研究院有限公司,华信咨询设计研究院有限公司 |
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| 摘 要： | 5G NR3.5GHz&2.1GHz的混合组网，通过高低频网络的协同，可以达到下行低频段的广覆盖或上行增强覆盖的目的。针对高铁场景高速移动、长距离连续覆盖、高穿透损耗等特征，通过3.5GHzTDD&2.1GHzFDD独立组网和协同组网的对比分析，并结合高低频组网工程建设方案、接入参数的设置分析，以探讨高低频组网在5G高铁覆盖场景的应用。
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| 关 键 词： | 超级上行 NR FDD NR TDD 子载波间隔 PRACH |
| 收稿时间： | 2020/8/26 0:00:00 |
| 修稿时间： | 2020/9/23 0:00:00 |
Study on Coverage planning of High speed railway based on 3.5 GHz & 2.1 GHz Hybrid Network |
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| wanglingfeng and LU Guo-xiao.Study on Coverage planning of High speed railway based on 3.5 GHz & 2.1 GHz Hybrid Network[J].Telecom Engineering Technics and Standardization,2020(10). |
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| Authors: | wanglingfeng and LU Guo-xiao |
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| Affiliation: | Huaxin consulting design and research institute co., LTD.,,Huaxin Consulting Design and Research Institute Co., Ltd. |
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| Abstract: | 5G NR 3.5GHz&2.1GHz hybrid network can achieve wide coverage in downlink low frequency band or up-link enhanced coverage through coordination of high and low frequency networks. Based on the characteristics of high-speed moving, long-distance continuous coverage and high transmission loss in high-speed railway scenes, Comparative analysis of 3.5GHz TDD&2.1GHz FDD independent networking and collaborative networking. At the same time, it combines the construction plan of high and low frequency networking engineering and the analysis of access parameter settings, the application of high-low frequency network in the scene of 5g high-speed railway coverage is discussed. |
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