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Assessment of Different Dual-frequency Dual-constellation GBAS Processing Modes based on Flight Trials

Circiu, Mihaela-Simona and Felux, Michael and Gerbeth, Daniel and Caamano, Maria and Meurer, Michael (2016) Assessment of Different Dual-frequency Dual-constellation GBAS Processing Modes based on Flight Trials. In: Proceedings of ION GNSS+ 2016. ION GNSS+ 2016, 12-16 September, Portland,US.

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In this paper we present the expected performance of different processing modes for a future dual-constellation dual-frequency Ground Based Augmentation System (GBAS). The evaluations are based on measurements collected during flight trials. We discuss the changes to the residual differential error for each processing mode. In our previous work we derived preliminary airborne multipath (σair) and ground multipath (σgnd) curves for Galileo E1 and E5a signals and GPS L5 signals. We use these models in our evaluations. After discussing the benefits of adding a second constellation in the GBAS implementation we will focus on the modes enabled by the addition of a second frequency, mainly the single frequency L5/E5a mode and the Ifree mode. We compare the errors and the nominal protection levels of the new processing modes with the current GAST-C and GAST-D. This work contributes to the analysis and trade-off considerations in the development of a future DFDC GBAS standard.

Item URL in elib:https://elib.dlr.de/108273/
Document Type:Conference or Workshop Item (Speech)
Title:Assessment of Different Dual-frequency Dual-constellation GBAS Processing Modes based on Flight Trials
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Circiu, Mihaela-Simonamihaela-simona.circiu (at) dlr.deUNSPECIFIED
Felux, Michaelmichael.felux (at) dlr.deUNSPECIFIED
Gerbeth, Danieldaniel.gerbeth (at) dlr.deUNSPECIFIED
Caamano, Mariamaria.caamanoalbuerne (at) dlr.deUNSPECIFIED
Meurer, Michaelmichael.meurer (at) dlr.deUNSPECIFIED
Date:14 September 2016
Journal or Publication Title:Proceedings of ION GNSS+ 2016
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:DFDC GBAS
Event Title:ION GNSS+ 2016
Event Location:Portland,US
Event Type:international Conference
Event Dates:12-16 September
Organizer:Institute of Navigation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:air traffic management and operations
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Communication, Navigation and Surveillance
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Circiu, Mihaela-Simona
Deposited On:29 Nov 2016 11:56
Last Modified:31 Jul 2019 20:05

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