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Papers - Read More

All published papers from IFEN are available for download.

Current Papers

2009

Performance of a Partially Coherent Ultra-Tightly Coupled GNSS/INS Pedestrian Navigation System Enabling Coherent Integration Times of Several Seconds to Track GNSS Signals Down to 1.5 dBHz.

Thomas Pany, Jón Winkel, Bernhard Riedl, Markus Restle (IFEN GmbH), Thomas Wörz, Robert Schweikert (AUDENS ACT Consulting GmbH), Herbert Niedermeier, Gerald Ameres, Bernd Eissfeller (University FAF Munich, Institute of Geodesy and Navigation), Stefano Lagrasta (Telespazio S.p.A), Gustavo López-Risueño (ESA/ESTEC)

22st International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2009, 22-25 September 2009, Savannah, Georgia USA



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(16 pages, 1,0 MB)

Exploiting Multicore Technology in Software-Defined GNSS Receivers

Todd E. Humphreys, Jahshan A. Bhatti, (The University of Texas at Austin), Thomas Pany (IFEN GmbH), Brent M. Ledvina (Coherent Navigation), Brady W. O’Hanlon (Cornell University, Ithaca)

22st International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2009, 22-25 September 2009, Savannah, Georgia USA



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(13 pages, 0,8 MB)

Development and Early Results of a GALILEO UERE/UERRE Monitoring Facility

Wolfgang Werner, Udo Rossbach (IFEN GmbH), Massimo Eleuteri, Daniele Cretoni ( Thales-Alenia Space Italy)

22st International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2009, 22-25 September 2009, Savannah, Georgia USA



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(6 pages, 0,6 MB)

Usage of the Galileo Test and Development Environment GATE for Testing and Experimentation

Guenter Heinrichs, Erwin Loehnert and Elmar Wittmann, IFEN GmbH


CERGAL 2009, Oberpfaffenhofen, Germany



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(9 pages, 3,3 MB)

NavX®-NCS A Multi-Constellation RF Simulator: System Overview and Test Applications

Markus Irsigler, Bernhard Riedl, Thomas Pany, Robert Wolf and Günter Heinrichs, IFEN GmbH


CERGAL 2009, Oberpfaffenhofen, Germany



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(9 pages, 1,9 MB)

Signal Structure Update of the German Galileo Test and Development Environment GATE

Guenter Heinrichs, Erwin Loehnert, Elmar Wittmann, IFEN GmbH


ENC-GNSS 2009, Neapel, Italy



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(10 pages, 3,1 MB)

2008

Disruptive Effects of RF Interference on Galileo E5b and E6 Frequencies in the Galileo Test and Development Environment GATE

Guenter Heinrichs, Erwin Loehnert, Bjoern Ott and Elmar Wittmann

4th ESA Workshop on Satellite Navigation - User Equipment Technologies
ESA NaviTec, 10-12. December 2008, Estec, Noordwijk



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(8 Pages / 1,3 MB)

Performance Evaluation of the Multi-Constellation and Multi-Frequency GNSS RF Navigation Constellation Simulator NavX®-NCS

Guenter Heinrichs, Markus Irsigler, and Robert Wolf, IFEN GmbH, Guenther Prokoph, Work Microwave GmbH

21st International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2008, 22-25 September 2008, Savannah, Georgia USA



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(5 pages, 1,6 MB)

Interference Effects on Galileo E5b and E6 Frequencies observed in the Galileo Test and Development Environment GATE

Guenter Heinrichs, Erwin Loehnert, Bjoern Ott and Elmar Wittmann, IFEN GmbH

21st International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2008, 22-25 September 2008, Savannah, Georgia USA



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(7 pages, 1,3 MB)

2007

Statistical Error Calibration for Hatch-filtered Ranges using Spectral Characterization of Raw Measurement Errors

Johannes Mach, Ingrid Deuster, Robert Wolf

20th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2007, 25-28 September 2007, Fort Worth, Texas USA



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(6 pages, 94 kB)

Artus - A Second Generation Galileo/GPS Receiver

Thorsten Lück, Jón Winkel , Michael Bodenbach, Eckart Göhler, Nico Falk

Co-authored by Angelo Consoli , Francesco Piazza , Danilo Gerna, NemeriX, Manno, Switzerland - Robin Granger , Peter Readman , Steve Simpson, Roke Manor Research, New Hampshire, UK - Hans-Jürgen Euler, inPosition gmbh, Switzerland

20th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2007, 25-28 September 2007, Fort Worth, Texas USA



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(9 pages, 2400 kB)

NavX®-NCS – The first Galileo/GPS full RF Navigation Constellation Simulator

Günter Heinrichs, Markus Irsigler, Robert Wolf, Jón Winkel

Co-authored by Günther Prokoph, Work Microwave GmbH, Holzkirchen, Germany

20th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2007, 25-28 September 2007, Fort Worth, Texas USA



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(6 pages, 3500 kB)

NavX®-NSR – A Novel Galileo/GPS Navigation Software Receiver

Günter Heinrichs, Markus Restle, Claus Dreischer

Co-authored by Thomas Pany, University FAF Munich, Germany

20th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2007, 25-28 September 2007, Fort Worth, Texas USA



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(6 pages, 640 kB)

First Outdoor Positioning Results with Real Galileo Signals by Using the German Galileo Test and Development Environment - GATE

Günter Heinrichs, Erwin Löhnert, Elmar Wittmann, Roland Kaniuth

20th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2007, 25-28 September 2007, Fort Worth, Texas USA



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(12 pages, 3700 kB)

2006

Making GNSS Integrity Simple and Efficient A New Concept Based on Signal-in-Space Error Bounds

Johannes Mach, Ingrid Deuster, Robert Wolf, Wolfgang Werner

19th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2006, 26-29 September 2006, Fort Worth, Texas USA



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(12 pages, 294 kB)

First Test Results of the German Galileo Test and Development Environment GATE

Günter Heinrichs, Elmar Wittmann, Erwin Löhnert

19th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GNSS 2006, 26-29 September 2006, Fort Worth, Texas USA



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(7 pages, 1860 kB)

Receiver Integrity Monitoring in case of Multiple Failure

Ilaria Martini, Günter Hein

Position Location and Navigation Symposium
IEEE/ION PLANS 2006, 24-27 April 2006, San Diego, California USA



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(18 pages, 512 kB)

2005

Real-Time Station CLock Synchronization for GNSS Integrity Monitor

Johannes Mach, Ingrid Deuster, Robert Wolf, Theo Zink


ION GNSS 2005



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(10 pages, 241 kB)

2004

Integrity Testcase Experimentation Results Within GSTB-V1

Wolfgang Werner, Ingrid Deuster


IEEE/ION PLANS 2004



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(12 pages,696 kB)

Hybrid Galileo/W-CDMA Receiver Prototype for Mass-Market Applications

Günter Heinrichs, Elmar Wittmann

Co-authored by Rainer Kronberger, Christian Drewes, Infineon Technologies AG, Germany, Timm Ostermann, Research Institute for Integrated Circuits, University of Linz, Austria, Andreas Springer, Institute for Communication an Information Engineering, University of Linz, Austria, Linus Maurer, DICE GmbH & Co KG, Linz, Austria


IEEE/ION PLANS 2004



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(10 pages,618 kB)

2003

GATE - The German Galileo Test Environment

Robert Wolf, Markus Thalhammer, Günter Hein


IEEE/ION PLANS 2003



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(7 pages, 576 kB)

Integrity Investigations Within the European Galileo System Test Bed (GSTB)

Wolfgang Werner, Norbert Lemke, Ingrid Deuster, Udo Roßbach


IEEE/ION PLANS 2003



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(9 pages, 185 kB))

PARAMOUNT - Experiences and Resluts of a LBS Prototype for Mountaineers

Erwin Löhnert, Heiko Mundle, Elmar Wittmann, Günter Heinrichs


IEEE/ION PLANS 2003



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(8 pages, 1340 kB))

TCAR an MCAR Options With Galileo an GPS

Wolfgang Werner, Jón Winkel


IEEE/ION PLANS 2003



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(12 pages, 94 kB)

2002

EGNOS CPF Check Set - Stand Alone Performance

Robert Wolf, Udo Roßbach, Wolfgang Werner

Co-authored by Stephane Lannelongue, Julien Michelon, Alcatel Space Industries, France, Peter Thomas, Logica Ltd., UK

15th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GPS 2002, September 24 - 27, 2002, Portland, Oregon, USA



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(10 pages, 176 kB)

GALILEO Integrity Performance Assessment Results and Recommendations

Wolfgang Werner, Theodor Zink

Co-authored by Jörg Hahn, ESA/ESTEC, Noordwijk, The Netherlands

15th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GPS 2002, September 24 - 27, 2002, Portland, Oregon, USA



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(11 pages, 584 kB)

2001

PARAMOUNT Public Safety & Commercial Info-Mobility Applications & Services in the Mountains

Erwin Löhnert, Elmar Wittmann, Jürgen Pielmeier

Co-authored by Florian Sayda, University FAF Munich, Germany

14th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GPS 2001, September 11 - 14, 2001, Salt Lake City, Utah, USA



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(7 pages, 251 kB)

GALILEO Integrity Performance Assessment (GIPA)

Wolfgang Werner, Theodor Zink, Erwin Löhnert, Jürgen Pielmeier

14th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GPS 2001, September 11 - 14, 2001, Salt Lake City, Utah, USA



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(12 pages, 1.24 MB)

Towards Global Integrity

Wolfgang Werner

International Symposium on Kinematic Systems in Geodesy, Geomatics and Navigation University of Calgary
KIS 2001, June 5 - 8, 2001, Banff, Canada



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(8 pages, 1.01 MB)

VISPA - A Mobile Digital Tour Guide for Mountaineers

Erwin Löhnert, Elmar Wittmann, Jürgen Pielmeier

Co-authored by Florian Sayda, University FAF Munich, Germany


ECGI and GIS Workshop, 2001



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(13 pages, 520 kB)

2000

UMTS - Competing Navigation System and Supplemental Communication System to GNSS

Oliver Balbach

13th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GPS 2000, September 19 - 22, 2000, Salt Lake City, Utah, USA



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(9 pages, 314 kB)

Concepts and Performance Results on the Combination of Different Integrity Methods using UAIM and GNSS without SA

Erwin Löhnert, Robert Wolf, Jürgen Pielmeier, Wolfgang Werner, Theodor Zink

13th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GPS 2000, September 19 - 22, 2000, Salt Lake City, Utah, USA



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(11 pages, 364 kB)

GLONASS Double Difference Ambiguity Resolution in Real-Time

Udo Roßbach

13th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GPS 2000, September 19 - 22, 2000, Salt Lake City, Utah, USA



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(9 pages, 439 kB)

Algorithms and Performance of the EGNOS CPF Independent Check Set

Wolfgang Werner, Udo Roßbach, Robert Wolf

13th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GPS 2000, September 19 - 22, 2000, Salt Lake City, Utah, USA



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(11 pages, 307 kB)

Onboard Autonomous Integrity Monitoring using Intersatellite Links

Robert Wolf

13th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GPS 2000, September 19 - 22, 2000, Salt Lake City, Utah, USA



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(10 pages, 344 kB)

Analysis of Integrity Monitoring Techniques for a Global Navigation Satellite System (GNSS-2)

Theodor Zink, Bernd Eissfeller, Erwin Löhnert, Robert Wolf

13th International Technical Meeting of the Satellite Division of The Institute of Navigation
ION GPS 2000, September 19 - 22, 2000, Salt Lake City, Utah, USA



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(10 pages, 234 kB)

1997

A Kalman Filter for the Integration of a Low Cost INS and an Attitude GPS

Robert Wolf, Günter W. Hein, Bernd Eissfeller


KIS 1997



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(8 pages, 141 kB)

1996

An Integrated Low Cost GPS/INS Attitude Determination and Position Location System

Robert Wolf, Günter W. Hein, Bernd Eissfeller, Erwin Löhnert


ION GPS 1996



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(7 pages, 190 kB)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

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