Title: Use of SBAS Corrections with Local-Area Monitoring for Railway Guidance and Control Applications
Author(s): Pietro Salvatori, Cosimo Stallo, Sam Pullen, Sherman Lo, Per Enge
Published in: Proceedings of IEEE/ION PLANS 2018
April 23 - 26, 2018
Hyatt Regency Hotel
Monterey, CA
Pages: 1379 - 1387
Cite this article: Salvatori, Pietro, Stallo, Cosimo, Pullen, Sam, Lo, Sherman, Enge, Per, "Use of SBAS Corrections with Local-Area Monitoring for Railway Guidance and Control Applications," Proceedings of IEEE/ION PLANS 2018, Monterey, CA, April 2018, pp. 1379-1387.
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Abstract: This paper demonstrates the use of SBAS, supported by a limited number of local-area reference receivers, as the primary source of corrections and integrity verification for the use of GNSS to replace fixed transponders in the European Rail Traffic Management System (ERTMS). The recent RHINOS project has demonstrated how a trackside network of local-area differential GNSS (LADGNSS) reference receivers can provide corrections and integrity information in areas with no SBAS coverage. However, in locations where SBAS is available and provides good coverage, it can provide corrections and integrity of similar quality when supported by a much smaller network of local reference stations, making the overall ERTMS installation more cost-effective. This SBAS-based implementation is described and compared to the existing LADGNSS-based implementation developed in RHINOS.