北京航空航天大学学报 ›› 2018, Vol. 44 ›› Issue (12): 2545-2555.doi: 10.13700/j.bh.1001-5965.2018.0080

• 信息与电子技术 • 上一篇    下一篇

GBAS基准站布设方案设计与评估方法

张悦, 王志鹏, 李强   

  1. 北京航空航天大学 电子信息与工程学院 国家空管新航行系统技术重点实验室, 北京 100083
  • 收稿日期:2018-02-08 修回日期:2018-08-23 出版日期:2018-12-20 发布日期:2018-12-28
  • 通讯作者: 王志鹏 E-mail:wangzhipeng@buaa.edu.cn
  • 作者简介:张悦,女,硕士研究生。主要研究方向:地基增强系统;王志鹏,男,博士,讲师,硕士生导师。主要研究方向:卫星导航民航/军航/通航应用的完好性监测技术;李强,男,博士研究生,高级工程师。主要研究方向:地基增强系统。
  • 基金资助:
    国家自然科学基金(61501010,U1433114,61501014,61521091);航空科学基金(2015ZC51035)

A design and evaluation strategy for GBAS reference station layout scheme

ZHANG Yue, WANG Zhipeng, LI Qiang   

  1. National Key Laboratory of CNS/ATM, School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
  • Received:2018-02-08 Revised:2018-08-23 Online:2018-12-20 Published:2018-12-28
  • Supported by:
    National Natural Science Foundation of China (61501010, U1433114, 61501014, 61521091); Aeronautical Science Foundation of China (2015ZC51035)

摘要: 地基增强系统(GBAS)基准站的布设方式会直接影响系统精度与完好性,且与机场环境、卫星星座以及当地电离层活动情况密切相关。然而,美国联邦航空管理局(FAA)发布的GBAS选址标准只是给出了基准站布设的基本要求,没有深入考虑上述因素的影响。因此,GBAS基准站布设方案设计与评估方法需要进一步研究。首先,基于采集数据比较分析了5个机场典型GBAS基准站布设和伪距校正误差标准差。然后,结合理论和仿真研究了基准站个数对GBAS性能的影响,以及基线长度对星历故障监视和异常电离层梯度监视性能的影响。最后,提出一种GBAS基准站布设方案设计和评估方法,并辅以V型跑道的4个方案示例,为根据机场实际情况、GBAS星历故障监视和异常电离层梯度监视实际需求等设计和选择合适的方案提供参考。

关键词: 地基增强系统(GBAS), 基准站布设, 基准站数目, 基线长度, 星历故障监视, 电离层梯度监视

Abstract: The layout of ground-based augmentation system (GBAS) reference stations will directly impact the accuracy and integrity performance of GBAS, and it is closely related to the airport conditions, the satellite constellations used and the local ionospheric environment. However, the published documents such as Federal Aviation Administration (FAA) GBAS siting order only give basic requirements of reference station layout and do not deeply take the impact of the above points into account. Therefore, the study on design and evaluation strategy for GBAS reference station layout is very important. By comparing the different GBAS reference station layouts and the broadcast pseudorange correction error standard deviations of five airports based on collected data, analyzing the impact of the number of reference stations on the GBAS protection levels, and studying the impact of baseline length on the performance of ephemeris fault monitor and anomalous ionospheric gradient monitor, a design and evaluation strategy for GBAS reference station layout is proposed, which is supplemented by four sample schemes for V-shape runways. The proposed strategy can provide a reference for the design and determination of appropriate layouts based on specific airport conditions and the requirements of ephemeris fault monitor and anomalous ionospheric gradient monitor.

Key words: ground-based augmentation system (GBAS), reference station layout, reference station number, baseline length, ephemeris fault monitor, ionospheric gradient monitor

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