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MGBAS: RTK Service Validation and Service Integration Approach for a PNT Unit

机译：MGBAS：PNT单元的RTK服务验证和服务集成方法

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摘要

The development of GNSS augmentation systems plays an important role for the use of satellite navigationrnin safety critical maritime applications, since they demand high accuracy and integrity (e.g. critical vesselrnoperation areas like ports, restricted waterways or to support docking manoeuvres). A commonrnaugmentation technique used in the maritime sector is the IALA Beacon DGNSS (Differential Global SatelliternNavigation System). Typically, this technique provides a horizontal accuracy of about 0.5m to 1m at thernreference station and degrades typically about 0.4m to 1m for every 100nm of distance from the broadcastrnsite [8]. But even if this technique helps to increase the accuracy and integrity of GNSS positioning, thernperformance is not sufficient to meet the IMO requirements for critical traffic areas like ports and automaticrndocking manoeuvres [10][11]. To achieve the required centimetre accuracy for such manoeuvres, anrnexperimental “Maritime Ground Based Augmentation System (MGBAS)” has been implemented andrndeveloped since 2006 in the port of Rostock (Germany). The MGBAS comprises a reference station (RS)rnand an integrity monitoring station (IMS) operating as virtual user. Based on this concept GPS based Real-rnTime Kinematic (RTK) services with preliminary integrity monitoring are currently provided [16]. In order tornsatisfy simultaneously the system and user integrity the development of a MGBAS user segment as part of arnPNT unit is envisaged for near future.rnOn the one hand this paper presents the ongoing performance assessment of the MGBAS RTK services withrnrespect to the IMO’s requirements. On the other hand it discusses the development of the MGBAS userrnsegment as part of a PNT unit. Therefore, the beginning of the paper briefly introduces the existing MGBASrnarchitecture ashore and motivates the necessity of an entire consideration of ashore services and on-boardrnelements. In the second part the current RTK services are analysed over 15 days regarding theirrnperformance. Afterwards integrity monitoring modules at the IMS, whose application in the MGBAS userrnsegment is intended, are briefly described regarding their functionalities and existing challenges. Finally, thernpaper concludes with an outline of the next steps in the development of the experimental MGBAS consistingrnof ashore and on-board components.
机译：GNSS增强系统的开发对于在安全关键的海上应用中使用卫星导航起着重要作用，因为它们要求高精度和完整性（例如，关键的船只操作区域，如港口，受限水道或支持对接演习）。海事部门使用的一种通用的导航技术是IALA信标DGNSS（差分全球卫星导航系统）。通常，该技术在参考站处提供的水平精度约为0.5m至1m，对于距广播站点每100nm的距离，其精度通常下降约0.4m至1m [8]。但是，即使该技术有助于提高GNSS定位的准确性和完整性，其性能仍不足以满足IMO对关键交通区域（如港口和自动对接操作）的要求[10] [11]。为了达到这种操纵所需的厘米精度，自2006年以来在德国罗斯托克港实施并开发了实验性“海上地面增强系统（MGBAS）”。 MGBAS包括作为虚拟用户运行的参考站（RS）和完整性监视站（IMS）。基于这个概念，目前提供具有初步完整性监控的基于GPS的实时运动（RTK）服务[16]。为了同时满足系统和用户的完整性，我们计划在不久的将来开发作为arnPNT部门一部分的MGBAS用户群。一方面，本文提出了针对IMO要求的MGBAS RTK服务的持续性能评估。另一方面，它讨论了作为PNT单元一部分的MGBAS用户段的开发。因此，本文的开头简要介绍了现有的岸上MGBAS架构，并激发了对岸上服务和船上要素进行全面考虑的必要性。在第二部分中，将对现有RTK服务的性能进行15天的分析。随后，简要介绍了IMS的完整性监控模块（旨在在MGBAS用户细分中应用），介绍其功能和现有挑战。最后，论文总结了开发包括岸上和船上组件的实验性MGBAS的下一步步骤。

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  • 来源
  • 会议地点 Hamburg(DE)
  • 作者

    D. Minkwitz; P. Zachhuber; E. Engler;

  • 作者单位

    Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) German Aerospace Center Institute of Communications and Navigation, Office Neustrelitz Kalkhorstweg 53, 17235 Neustrelitz, Germany david.minkwitz@dlr.de;

    Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) German Aerospace Center Institute of Communications and Navigation, Office Neustrelitz Kalkhorstweg 53, 17235 Neustrelitz, Germany;

    Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) German Aerospace Center Institute of Communications and Navigation, Office Neustrelitz Kalkhorstweg 53, 17235 Neustrelitz, Germany;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Maritime GBAS (MGBAS); GNSS; Integrity; PNT Unit;

    机译：海上GBAS（MGBAS）;; GNSS ;;完整性;; PNT单位;

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