SBAS

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本文介绍了卫星导航增强系统的概念及关键技术，包括双频多星座SBAS定义文档与接口控制文档的内容概览，以及系统如何通过接收来自GNSS卫星的信号与来自地球静止轨道卫星的增强信息来提供定位服务。

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SBAS DFMC Definition v2.0 [1]札记

Minimum Operational Performance Standards (MOPS)

ICAO Standards and Practices (SARPs)

Automatic Dependent Surveillance-Broadcast (ADS-B)

Russia’s Globalnaya Navigatsionnaya Sputnikovaya Sistema (or Global Navigation Satellite System) (GLONASS)

megahertz (MHz)

Code-Division Multiple Access (CDMA)

Frequency-Division Multiple Access (FDMA)

The DFMC SBAS concept, in principle, permits augmentation of any combination of these four constellations.

各系统频率P12与网址不同https://wenku.baidu.com/view/b75c7d85195f312b3169a591.html。？？？

In DFMC SBAS, the user equipment receives ranging signals and navigation data on two frequencies from a sufficient number of GNSS satellites and associated integrity and augmentation information from one or more geostationary satellites.

Fault Detection and Exclusion (FDE)

Vertical Advanced RAIM (V-ARAIM)

horizontal capability (H-ARAIM)

User Equipment (UE)

Single-Frequency, Multi-Constellation (SFMC)

SBAS_L5_DFMC_ICD.1.3.Draft031.no_track: SBAS L5 DFMC Interface Control Document (SBAS L5 DFMC ICD)[2]札记

To be defined (TBD)

参考文献

[1]SBAS Interoperability Working Group (IWG). Satellite-Based Augmentation System Dual-Frequency Multi-Constellation Definition Document v2.0. Oct 5, 2016.

[2]IWG. SBAS L5 DFMC Interface Control Document (SBAS L5 DFMC ICD).