基于SDR的28GHz毫米波频道建模铁路巡逻场
Yiqun Liang1,2,3, Hui Li2,3, Yuan Tian2,3
1Postgraduate Department, China Academy of Railway Sciences, Beijing 100081, China.
Sensors (Basel, Switzerland)
|October 14, 2023
概括
本研究评估了28 GHz毫米波 (mmWave) 频道特征在铁路排列场. 这些发现有助于设计未来的列车和轨道基础设施的毫米波通信系统.
科学领域:
- 电气工程 电气工程
- 无线通信无线通信
- 铁路工程 铁路工程是指铁路工程.
背景情况:
- 像5G-R这样的现有铁路通信系统在满足复杂的服务和带宽需求时面临的局限性,例如在火热点的火车站和车场.
- 毫米波 (mmWave) 通信系统为高带宽的火车到轨道通信提供了有前途的解决方案,但它们在铁路排列场的通道特性尚未得到充分理解.
研究的目的:
- 分析和分类铁路排列场内的毫米波传播场景.
- 在这些特定的铁路环境中评估28 GHz毫米波频道特征.
- 为未来的铁路应用的毫米波通信系统的设计和性能评估提供数据.
主要方法:
- 深入分析和分类铁路排列场mmWave传播场景,分为三个典型的类别.
- 使用软件定义无线电 (SDR) 频道探测系统与28 GHz毫米波分相阵列天线进行测量活动.
- 使用自定义的LabVIEW软件从收集的数据中导出关键通道参数.
主要成果:
- 多路组件 (MPC) 数量,时间分布和与排序场内的位置相关的接收功率的表征.
- 评估常见障碍物 (如连锁车,相邻的机车和建筑物) 对毫米波传播的影响.
- 关于与铁路排列场环境相关的通道参数的统计数据.
结论:
- 该研究提供了重要的统计结果和结论,用于设计和评估未来的毫米波通信系统,适用于铁路调配场.
- 这些发现可以为6G和其他未来的通信系统在各种场景中更广泛地应用毫米波技术提供信息.
- 了解毫米波通道行为对于提高铁路通信可靠性和容量至关重要.
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