GBAS testbed development in Taiwan with a prototype GPS/GBAS receiver |
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| Authors: | He-Sheng Wang Wen-Chieh Yang |
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| Affiliation: | (1) Department of Communications and Guidance Engineering, National Taiwan Ocean University, 202 Keelung, Taiwan;(2) Division of Research and Development, Intelligent Business Technology, Taipei, Taiwan |
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| Abstract: | In this paper, we present the development of a local area differential GPS testbed of the ground-based augmentation system (GBAS) as the future airport navigation facility in the Taipei Flight Information Region (FIR) in Taiwan. The testbed is mainly a GBAS ground facility, which consists of a ground station, three GBAS receivers, and a VDL (VHF data link) broadcast antenna. We also present an airborne GPS/GBAS prototype receiver in this paper. The airborne subsystem (a GPS/GBAS receiver) receives the correction messages from the ground subsystem to perform a differential GPS (DGPS) positioning. In order to provide an ILS-look-alike approach and landing, the output messages of the airborne receiver are packed in an ARINC 429 format. The proposed airborne system has a software-based global navigation satellite system (GNSS) receiver structure. |
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