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Christian Ascher

Dr.-Ing. Christian Ascher


Fritz-Haber-Weg 1
Geb. 30.33
76131 Karlsruhe


Veröffentlichungen

  • ASCHER, C.
    "Modulares multisensorielles Indoor-Navigationssystem"
    Dissertation, 15.04.2014
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  • LANGER, M.; KIESEL, S.; ASCHER, C.; TROMMER, G.F.
    "Deeply Coupled GPS/INS Integration in Pedestrian Navigation Systems in Weak Signal Conditions"
    International Conference on Indoor Positioning and Indoor Navigation 2012, November 13-15, 2012, Sydney, Australia
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  • ASCHER, C.; WERLING, S.; TROMMER, G.F.; ZWIRELLI, L.; HANSMANN, C.; ZWICK, T.
    "Radio-Asissted Inertial Navigation System by Tightly Coupled Sensor Data Fusion: Experimental Results"
    International Conference on Indoor Positioning and Indoor Navigation 2012, November 13-15,2012, Sydney, Australia
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  • KESSLER, C.; ASCHER, C.; FLAD,M.; TROMMER, G.F.
    "Multi-Sensor Indoor Pedestrian Navigation System with Vision Aiding"
    Gyroscopy and Navigation, 2012, Vol.3 Nr.2
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  • KESSLER, C; ASCHER, C.; POPP, M.;TROMMER, G.F.
    "Indoor Guide: A Multisensor Indoor Navigation System with Mapping Capabilities"
    International Urban Operations Conference 2012, Jan.31 - Feb.2, Berlin, Germany
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  • LANGER, M.;ASCHER, C.;BAUER, J.; TROMMER, G.F.
    "Weighting and mitigation of multipath effects in GPS range measurements in an urban environment for pedestrian navigation"
    International Technical Meeting 2012, Jan.30-Feb.1, 2012, New Port Beach, California, USA
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  • KESSLER, C.; ASCHER, C.; TROMMER, G.
    "Multi-Sensor Indoor Navigation System with Vision- and Laser-based Localisation and Mapping Capabilities"
    European Journal of Navigation Vol.9 Nr.3 December 2011
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  • ASCHER, C.; ZWIRELLO, L.; ZWICK, T.; TROMMER, G.:
    "Integrity Monitoring for UWB/INS Tightly Coupled Pedestrian Indoor Scenarios"
    International Conference on Indoor Positioning and Indoor Navigation, Guimaraes, Portugal, September 21-23, 2011
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  • ASCHER, C.; ROTH, J.; TROMMER, G.
    "Performance Analysis of Tightly Coupled Precise Point Positioning with INS in Urban Areas"
    Symposium Gyro Technology 2011 Inertial Sensors ans Systems, September 20-21, 2011, Karlsruhe, Germany
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  • KESSLER,C.; ASCHER, C.; FLAD, M.; TROMMER, G.:
    "Multi-Sensor indoor pedestrian navigation system with vision aiding"
    International Conference on Integrated Navigation Systems, Saint Petersburg, Russia, May 30- June 1, 2011
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  • ZWIRELLO, L.; ASCHER, C.; TROMMER,G.F.; ZWICK, T.
    "Study on UWB/INS Integration Techniques"
    8th Workshop on Positioning, Navigation and Communication 2011 Dresden, April 7-8, 2011
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  • KLEINERT, M.; ASCHER, C.; SCHLEITH, S.; TROMMER, G.; STILLA, U.
    "A new pedestrian navigation algorithm based on the stochastic cloning technique for Kalman Filtering"
    Proceedings of the 2011 International Technical Meeting of the Institute of Navigation, San Diego, CA, USA, January 24-26, 2011
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  • ASCHER, C.; KESSLER, C.; CROCOLL, P.; TROMMER, G.
    "Real-time implementation of a Laser-based Graphical OrthoSLAM method coupled with a Dual IMU System"
    Proceedings of the 2011 International Technical Meeting of the Institute of Navigation, San Diego, CA, USA, January 24-26, 2011
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  • S.KIESEL, C.ASCHER, M.LANGER, G.F.TROMMER
    "Discrete Modelling and Loop Filter Design for Phase Lock Loops - A free MATLAB Toolbox"
    The Europesn Navigation Conference on Global Navigation Satellite Systems, October 19-21, 2010, Braunschweig, Germany
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  • C.ASCHER, C.KESSLER, A.MAIER, P.CROCOLL, G.F.TROMMER
    "New Pedestrian Trajectory Simulator to study Innovative Yaw Angle Constraints"
    ION GNSS 2010, September 21-24, 2010 Portland, USA
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  • C.ASCHER, C.KESSLER, M.WANKERL, G.F.TROMMER
    "Dual IMU Indoor Navigation with Particle Filter based Map-Matching on a Smartphone"
    International Conference on Indoor Positioning and Indoor Navigation, September 15-17, 2010 Zürich
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  • L.ZWIRELLO, M.JANSON, C.ASCHER, U.SCHWESINGER, G.F.TROMMER, T.ZWICK
    "Accuracy considerations of UWB localization systems dedicated to large-scale applications"
    International Conference on Indoor Positioning and Indoor Navigation, Sept.15-17, 2010, Zürich
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  • L.ZWIRELLO, M.JANSON, C.ASCHER, U.SCHWESINGER, G.F.TROMMER, T.ZWICK
    "Ultra-Wideband Based Positioning System for Applications in Industrial Environments"
    European Wireless Technology Conference 2010, Paris,France, Sept.2010
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  • C.KESSLER, C.ASCHER, N.FRIETSCH, M.WEINMANN, G.F.TROMMER
    "Vision-based attitude estimation for indoor navigation using vanishing points and lines"
    PLANS 2010, Mai 4-6, 2010, Palm Springs,CA, USA
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  • L.ZWIRELLO, M.JANSON, C.ASCHER, U.SCHWESINGER, G.F.TROMMER, T.ZWICK
    "Localization in Industrial Halls via Ultra-Wideband Signals"
    7th Workshop on Positioning, Navigation and Communication-WPNC, Dresden, Germany, Mar. 2010
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  • O.MEISTER, N. FRIETSCH, C.ASCHER, G.F. TROMMER
    "Adaptive path planning for VTOL-UAVs"
    Gyroscopy and Navigation Vol.1 Nr.4 2010
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  • C.ASCHER, C.KESSLER, M.WANKERL,G.F.TROMMER
    "Combining laser range measurements and a Dual-IMU IPNS for precise indoor SLAM "
    Symposium Gyro Technology 2009, September 22-23,2009, Karlsruhe, Germany
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  • C.ASCHER, C.KESSLER, M.WANKERL, G.F.TROMMER
    "Using OrthoSLAM and aiding techniques for precise pedestrian indoor navigation"
    ION GNSS 2009, September 22-25,2009 Savannah, Georgia, USA.
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  • O.MEISTER, N.FRIETSCH, C.ASCHER, G.F.TROMMER
    "Adaptive path planning for VTOL-UAVs"
    IEEE Aerospace and Electronic SystemsJuli 2009, Vol.24 Nr. 7
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  • S.KIESEL, C.ASCHER,D.GRAMM, G.F.TROMMER
    "GNSS Receiver with Vector Based FLL-Assisted PLL Carrier Tracking Loop"
    ION GNSS, September 16-19, 2008 Savannah, Georgia, USA
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  • O.MEISTER, N.FRIETSCH,C.ASCHER, G.F.TROMMER
    "Adaptive path planning for VTOL-UAVs"
    15th Saint Petersburg International Conference on Integrated Navigation Systems, May 26-28, 2008, Saint Petersburg, Russia
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  • O.MEISTER, N.FRIETSCH, C.ASCHER, G.F.TROMMER
    "Adaptive Path Planning for a VTOL-UAV"
    Position Location and Navigation Symposium, May 5-8, 2008, Monterey, CA, USA
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  • C.ASCHER, J.WENDEL, S.KIESEL, G.F.TROMMER
    "Simulation tool for GPS/INS integration:signalgenerator, software receiver and adapted navigation filters"
    IAR Workshop November 15-16,2007 Grenoble, France
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