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http://dx.doi.org/10.12673/jant.2016.20.5.417

Prediction on the Effect of Multi-Constellation SBAS by the Application of SDCM in Korea and Its Performance Evaluation  

Lim, Cheol-soon (Aerospace Engineering, Sejong University)
Seok, Hyo-jeong (Aerospace Engineering, Sejong University)
Hwang, Ho-yon (Aerospace Engineering, Sejong University)
Park, Byungwoon (Aerospace Engineering, Sejong University)
Publication Information
Journal of Advanced Navigation Technology / v.20, no.5, 2016 , pp. 417-424 More about this Journal
Abstract
Russia recently began broadcasting the SDCM signal in order to provide SBAS service for the civil aviation in the Russian territory using its own geostationary satellites. The service coverage of the SDCM geostationary satellite, LUCH-5A and LUCH-5B, includes Korea peninsula, where the test signal from the pseudo random number (PRN) 140 is received. This paper shows that the position accuracy at the Chulwon GNSS site is improved to 0.8749 m (horizontal) and 0.9589 mm (vertical) by applying the received SDCM message to the RINEX data. Considering that the SDCM augments both GPS and GLONASS, the performance of multi-constellation SBAS was compared to that of GPS-only SBAS, and APV-I availability was improved by decreasing the protection level about 30 %. From the results, we can expect that the mult-constellation SBAS can contribute to the performance enhancement of the future KASS.
Keywords
Global navigation satellite system; Satellite-based augmented system; System for differential correction and monitoring; Accuracy; Protection level;
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