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DME/TACAN interference mitigation for GNSS: algorithms and flight test results

Gao, Grace Xingxin and Heng, Liang and Hornbostel, Achim and Denks, Holmer and Walter, Todd and Enge, Per (2012) DME/TACAN interference mitigation for GNSS: algorithms and flight test results. GPS Solutions. Springer. DOI: 10.1007/s10291-012-0301-9

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Official URL: http://link.springer.com/article/10.1007%2Fs10291-012-0301-9#


The Galileo E5a/E5b signals and the Global Positioning System (GPS) L5 signal lie within the aeronautical radionavigation services (ARNS) band. They suffer interference from the services in this frequency band, in particular, pulsed signals from distance measuring equipment (DME) and tactical air navigation (TACAN) systems. To maintain system accuracy and integrity, interference mitigation is beneficial and necessary. We first present the real DME/TACAN environment at Stanford, CA as an example to illustrate the need for mitigating DME/TACAN interference. We then propose a time and frequency joint mitigation algorithm—Hybrid Blanking and its simplified version, frequency domain adaptive filtering (FDAF) for hardware implementation. Finally, a flight measurements campaign was performed over a European DME/TACAN hotspot near Frankfurt, Germany, to record a worst-case DME interference environment. Recorded data from the flight tests mixed with injected GNSS signals verify the effectiveness of the proposed mitigation algorithm

Item URL in elib:https://elib.dlr.de/79641/
Document Type:Article
Title:DME/TACAN interference mitigation for GNSS: algorithms and flight test results
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Gao, Grace XingxinStanford UniversityUNSPECIFIED
Heng, LiangStanford UniversityUNSPECIFIED
Walter, ToddStanford UniversityUNSPECIFIED
Enge, PerStanford UniversityUNSPECIFIED
Date:November 2012
Journal or Publication Title:GPS Solutions
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1007/s10291-012-0301-9
Keywords:Galileo, Interference, DME, TACAN, Mitigation, Pulse Blanking, FDAF
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Verläßliche Navigation (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Hornbostel, Dr.-Ing. Achim
Deposited On:11 Dec 2012 10:50
Last Modified:26 Mar 2013 13:44

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