Signal Processing and Speech Communication Laboratory
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Erik Leitinger

Room number
IEEG152
Telephone number
  • office: +43 316 873 - 4339
Position
Senior Researcher
Email
erik.leitinger@tugraz.at
Research interests

His research interests are in ultrawideband wireless communication, indoor positioning, estimation/detection theory, Bayesian inference, factor graphs, message passing

Erik Leitinger received his Dipl.-Ing. (M.Sc.) and Ph.D. degrees (with highest honors) in electrical engineering from Graz University of Technology, Austria in 2012 and 2016, respectively.

Courses
Student Projects
PhD Thesis
Publications
  • Journal article Fascista A., Deutschmann B., Keskin M., Wilding T., Coluccia A., Witrisal K., Leitinger E., Seco-Granados G. & Wymeersch H. (2025) Joint Localization, Synchronization and Mapping via Phase-Coherent Distributed Arrays. in IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, PP(99), p. 1-16. [more info] [doi]
  • Preprint Leitinger E., Wielandner L., Venus A. & Witrisal K. (2024) Multipath-based SLAM with Cooperation and Map Fusion in MIMO Systems.. [more info]
  • Journal article Toth M., Leitinger E. & Witrisal K. (2024) Variational Signal Separation for Automotive Radar Interference Mitigation. in IEEE Transactions on Radar Systems. [more info] [doi]
  • Conference paper Deutschmann B., Nelson C., Henriksson M., Marti G., Kosasih A., Tervo N., Leitinger E. & Tufvesson F. (2024) Accurate Direct Positioning in Distributed MIMO Using Delay-Doppler Channel Measurements. in 25th IEEE International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2024 (pp. 606-610). [more info] [doi]
  • Conference paper Wielandner L., Venus A., Wilding T., Witrisal K. & Leitinger E. (2024) MIMO Multipath-based SLAM for Non-Ideal Reflective Surfaces. in 27th International Conference on Information Fusion, FUSION 2024. [more info] [doi]
  • Conference paper Zhu H., Venus A., Leitinger E., Tertinek S. & Witrisal K. (2024) Fusion of Active and Passive Measurements for Robust and Scalable Positioning. in 4th IEEE International Symposium on Joint Communications and Sensing. [more info] [doi]
  • Journal article Venus A., Leitinger E., Tertinek S., Meyer F. & Witrisal K. (2024) Graph-based Simultaneous Localization and Bias Tracking. in IEEE Transactions on Wireless Communications , 23(10), p. 13141-13158. [more info] [doi]
  • Journal article Venus A., Leitinger E., Tertinek S. & Witrisal K. (2024) A Graph-based Algorithm for Robust Sequential Localization Exploiting Multipath for Obstructed-LOS-Bias Mitigation. in IEEE Transactions on Wireless Communications , 23(2), p. 1068-1084. [more info]
  • Journal article Möderl J., Leitinger E., Pernkopf F. & Witrisal K. (2024) Variational Inference of Structured Line Spectra Exploiting Group-Sparsity. in IEEE Transactions on Signal Processing. [more info]
  • Conference paper Liang M., Leitinger E. & Meyer F. (2023) A Belief Propagation Approach for Direct Multipath-Based SLAM. in 57th Asilomar Conference on Signals, Systems, and Computers (pp. 588 - 593). [more info]
  • Editorial Gaglione D., Leitinger E., Williams J. & Meyer F. (2023) Guest Editorial.. [more info]
  • Journal article Venus A., Leitinger E., Tertinek S. & Witrisal K. (2023) A Neural-Enhanced Factor Graph-Based Algorithm for Robust Positioning in Obstructed LOS Situations. in IEEE Open Journal of Signal Processing, 5, p. 29-38. [more info] [doi]
  • Preprint Venus A., Leitinger E., Tertinek S., Meyer F. & Witrisal K. (2023) Graph-based Simultaneous Localization and Bias Tracking.. [more info]
  • Preprint Liang M., Leitinger E. & Meyer F. (2023) A Belief Propagation Approach for Direct Multipath-Based SLAM.. [more info]
  • Preprint Grebien S., Leitinger E., Witrisal K. & Fleury B. (2023) Super-Resolution Estimation of UWB Channels including the Diffuse Component - An SBL-Inspired Approach.. [more info]
  • Preprint Venus A., Leitinger E., Tertinek S. & Witrisal K. (2023) A Neural-enhanced Factor Graph-based Algorithm for Robust Positioning in Obstructed LOS Situations.. [more info]
  • Conference paper Fascista A., Deutschmann B., Keskin M., Wilding T., Coluccia A., Witrisal K., Leitinger E., Seco-Granados G. & Wymeersch H. (2023) Uplink Joint Positioning and Synchronization in Cell-Free Deployments with Radio Stripes. in International Conference on Communications: Sustainable Communications for Renaissance (pp. 1330-1336). [more info] [doi]
  • Conference paper Fuchs A., Knoll C., Leitinger E. & Pernkopf F. (2023) Self-attention for enhanced OAMP Detection in MIMO Systems. in 48th IEEE International Conference on Acoustics, Speech, and Signal Processing. [more info] [doi]
  • Journal article Leitinger E., Venus A., Teague B. & Meyer F. (2023) Data Fusion for Multipath-Based SLAM. in IEEE Transactions on Signal Processing, 71, p. 4011-4028. [more info] [doi]
  • Journal article Wielandner L., Wilding T., Venus A. & Leitinger E. (2023) Multipath-based SLAM for Non-Ideal Reflective Surfaces Exploiting Multiple-Measurement Data Association. in Journal of Advances in Information Fusion, 18(2), p. 59-77. [more info]
  • Conference paper Wielandner L., Venus A., Wilding T. & Leitinger E. (2023) Multipath-based SLAM with Multiple-Measurement Data Association. in 26th International Conference on Information Fusion. [more info] [doi]
  • Journal article Wielandner L., Leitinger E., Meyer F. & Witrisal K. (2023) Message Passing-Based 9-D Cooperative Localization and Navigation With Embedded Particle Flow. in IEEE Transactions on Signal and Information Processing over Networks, 9(9), p. 95-109. [more info] [doi]
  • Journal article Möderl J., Pernkopf F., Witrisal K. & Leitinger E. (2023) Fast Variational Block-Sparse Bayesian Learning. in IEEE Transactions on Signal Processing. [more info]
  • Preprint Wielandner L., Leitinger E., Meyer F. & Witrisal K. (2023) Message Passing-Based 9-D Cooperative Localization and Navigation with Embedded Particle Flow.. [more info]
  • Conference paper Venus A., Leitinger E., Tertinek S., Meyer F. & Witrisal K. (2023) Graph-based Simultaneous Localization and Bias Tracking for Robust Positioning in Obstructed LOS Situations. in 56th Asilomar Conference on Signals, Systems, and Computers (pp. 777-784). [more info] [doi]
  • Conference paper Möderl J., Leitinger E., Pernkopf F. & Witrisal K. (2023) Variational Message Passing-based Respiratory Motion Estimation and Detection Using Radar Signals. in 48th IEEE International Conference on Acoustics, Speech, and Signal Processing. [more info]
  • Conference paper Wielandner L., Leitinger E., Meyer F., Teague B. & Witrisal K. (2022) Message Passing-Based Cooperative Localization with Embedded Particle Flow. in 47th IEEE International Conference on Acoustics, Speech and Signal Processing (pp. 5652-5656). [more info] [doi]
  • Preprint Leitinger E., Venus A., Teague B. & Meyer F. (2022) Data Fusion for Multipath-Based SLAM: Combining Information from Multiple Propagation Paths.. [more info] [doi]
  • Conference paper Wilding T., Leitinger E. & Witrisal K. (2022) Multipath-Based Localization and Tracking Considering Off-Body Channel Effects. in 16th European Conference on Antennas and Propagation (pp. 1-5). [more info] [doi]
  • Journal article Li X., Leitinger E., Venus A. & Tufvesson F. (2022) Sequential Detection and Estimation of Multipath Channel Parameters Using Belief Propagation. in IEEE Transactions on Wireless Communications , 21(10), p. 8385-8402. [more info] [doi]
  • Conference paper Leitinger E., Teague B., Zhang W., Liang M. & Meyer F. (2022) Data Fusion for Radio Frequency SLAM with Robust Sampling. in 25th International Conference on Information Fusion (pp. 1-6). [more info] [doi]
  • Preprint Wilding T., Leitinger E. & Witrisal K. (2021) Multipath-based Localization and Tracking considering Off-Body Channel Effects.. [more info]
  • Preprint Li X., Leitinger E., Venus A. & Tufvesson F. (2021) Sequential Detection and Estimation of Multipath Channel Parameters Using Belief Propagation.. [more info]
  • Conference paper Venus A., Leitinger E., Tertinek S. & Witrisal K. (2021) A Message Passing based Adaptive PDA Algorithm for Robust Radio-based Localization and Tracking. in COST CA15104 ACTION: Inclusive Radio Communication Networks for 5G and Beyond. [more info]
  • Conference paper Venus A., Leitinger E., Tertinek S. & Witrisal K. (2021) A Message Passing based Adaptive PDA Algorithm for Robust Radio-based Localization and Tracking. in 2021 IEEE Radar Conference. [more info]
  • Conference paper Leitinger E., Grebien S. & Witrisal K. (2021) Multipath-based SLAM using Belief Propagation with Interacting Multiple Dynamic Models. in 15th European Conference on Antennas and Propagation (pp. 1-5). [more info] [doi]
  • Conference paper Wielandner L., Leitinger E. & Witrisal K. (2021) An Adaptive Algorithm for Joint Cooperative Localization and Orientation Estimation using Belief Propagation. in 55th Asilomar Conference on Signals, Systems, and Computers (pp. 1591-1596). [more info] [doi]
  • Journal article Wielandner L., Leitinger E. & Witrisal K. (2021) RSS-Based Cooperative Localization and Orientation Estimation Exploiting Antenna Directivity. in IEEE Access, 9, p. 53046-53060. [more info] [doi]
  • Chapter Witrisal K., Anton-Haro C., Grebien S., Joseph W., Leitinger E., Li X., Peral-Rosado J., Plets D., Vilà-Valls J. & Wilding T. (2021) Chapter 9 - Localization and tracking. 41 p.. [more info] [doi]
  • Conference paper Wilding T., Leitinger E., Muehlmann U. & Witrisal K. (2021) Statistical Modeling of the Human Body as an Extended Antenna. in 15th European Conference on Antennas and Propagation. [more info] [doi]
  • Conference paper Li X., Leitinger E. & Tufvesson F. (2020) RSS-Based Localization of Low-Power IoT Devices Exploiting AoA and Range Information.. [more info] [doi]
  • Conference paper Leitinger E. & Meyer F. (2020) Data Fusion for Multipath-Based SLAM.. [more info] [doi]
  • Conference paper Li X., Leitinger E. & Tufvesson F. (2020) Detection and Tracking of Multipath Channel Parameters Using Belief Propagation.. [more info] [doi]
  • Conference paper Leitinger E., Grebien S., Fleury B. & Witrisal K. (2020) Detection of a Spectral Line in MIMO Systems.. [more info]
  • Journal article Nguyen H., Rath M., Leitinger E., Nguyen V. & Witrisal K. (2020) Gaussian Process Modeling of Specular Multipath Components. in Applied Sciences, 10(15). [more info] [doi]
  • Conference paper Wielandner L., Leitinger E. & Witrisal K. (2020) Information-Criterion-Based Agent Selection for Cooperative Localization in Static Networks. in 2020 IEEE International Conference on Communications (pp. 1-7). [more info] [doi]
  • Conference paper Wilding T., Leitinger E., Mühlmann U. & Witrisal K. (2020) Modeling human body influence in UWB channels. in 31st IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications. [more info] [doi]
  • Conference paper Rath M., Leitinger E., Nguyen A. & Witrisal K. (2020) Directionally Resolved UWB Channel Modeling for Environment-Aware Positioning. in 14th European Conference on Antennas and Propagation. [more info] [doi]
  • Journal article Rath M., Kulmer J., Leitinger E. & Witrisal K. (2020) Single-Anchor Positioning: Multipath Processing With Non-Coherent Directional Measurements. in IEEE Access, 8, p. 88115-88132. [more info] [doi]
  • Conference paper Venus A., Leitinger E., Tertinek S. & Witrisal K. (2020) Reliability and Threshold-Region Performance of TOA Estimators in Dense Multipath Channels. in 2020 IEEE International Conference on Communications (pp. 1-7). [more info] [doi]
  • Conference paper Hu S. & Leitinger E. (2019) Joint Modulus Zero-Forcing MIMO Detector. in 2019 IEEE Wireless Communications and Networking Conference. [more info]
  • Journal article Leitinger E., Meyer F., Hlawatsch F., Witrisal K., Tufvesson F. & Win M. (2019) A Belief Propagation Algorithm for Multipath-Based SLAM. in IEEE Transactions on Wireless Communications , 18(12), p. 5613 - 5629. [more info] [doi]
  • Journal article Kulmer J., Grebien S., Leitinger E. & Witrisal K. (2019) Delay Estimation in Presence of Dense Multipath. in IEEE Wireless Communications Letters, 8(5), p. 1481 - 1484. [more info] [doi]
  • Journal article Li X., Leitinger E., Oskarsson M., Åström K. & Tufvesson F. (2019) Massive MIMO-based Localization and Mapping Exploiting Phase Information of Multipath Components. in IEEE Transactions on Wireless Communications , 18(9), p. 4254-4267. [more info] [doi]
  • Conference paper Leitinger E., Grebien S. & Witrisal K. (2019) Multipath-based SLAM Exploiting AoA and Amplitude Information. in 2019 IEEE International Conference on Communications. [more info]
  • Preprint Li X., Leitinger E., Oskarsson M., Åström K. & Tufvesson F. (2018) Massive MIMO-based Localization and Mapping Exploiting Phase Information of Multipath Components.. [more info]
  • Preprint Leitinger E., Meyer F., Hlawatsch F., Witrisal K., Tufvesson F. & Win M. (2018) A Belief Propagation Algorithm for Multipath-Based SLAM.. [more info]
  • Conference paper Wilding T., Grebien S., Leitinger E., Mühlmann U. & Witrisal K. (2018) Single-Anchor, Multipath-Assisted Indoor Positioning with Aliased Antenna Arrays. in Asilomar Conference on Signals, Systems and Computers (pp. 525-531). [more info] [doi]
  • Journal article Kulmer J., Leitinger E., Grebien S. & Witrisal K. (2018) Anchorless Cooperative Tracking Using Multipath Channel Information. in IEEE Transactions on Wireless Communications , 17(4), p. 2262-2275. [more info] [doi]
  • Conference paper Leitinger E., Grebien S., Li X., Tufvesson F. & Witrisal K. (2018) On the Use of MPC Amplitude Information in Radio Signal Based SLAM. (pp. 633-637). [more info] [doi]
  • Conference paper Leitinger E., Meyer F., Tufvesson F. & Witrisal K. (2017) Factor graph based simultaneous localization and mapping using multipath channel information. in 2017 IEEE International Conference on Communications Workshops, ICC Workshops 2017 (pp. 652-658). [more info] [doi]
  • Journal article Grebien S., Kulmer J., Galler F., Goller M., Leitinger E., Arthaber H. & Witrisal K. (2017) Range Estimation and Performance Limits for UHF-RFID Backscatter Channels. in IEEE Journal of Radio Frequency Identification, 1(1), p. 39 - 50. [more info] [doi]
  • Conference paper Hinteregger S., Leitinger E. & Witrisal K. (2017) Bayesian Multipath Channel Estimation Considering Dense Multipath.. [more info]
  • Conference paper Kulmer J., Hinteregger S., Großwindhager B., Rath M., Bakr M., Leitinger E. & Witrisal K. (2017) Using DecaWave UWB transceivers for high-accuracy multipath-assisted indoor positioning. (pp. 1239-1245). [more info] [doi]
  • Journal article Steinböck G., Gan M., Meissner P., Leitinger E., Witrisal K., Zemen T. & Pedersen T. (2016) Hybrid Model for Reverberant Indoor Radio Channels Using Rays and Graphs. in IEEE Transactions on Antennas and Propagation, 64(9), p. 4036-4048. [more info] [doi]
  • Conference paper Hinteregger S., Leitinger E., Meissner P., Kulmer J. & Witrisal K. (2016) Bandwidth dependence of the ranging error variance in dense multipath. (pp. 733-737). [more info] [doi]
  • Conference paper Nguyen A., Rath M., Leitinger E., Hinteregger S. & Witrisal K. (2016) Channel Capacity Analysis of Indoor Environments for Location-aware Communications.. [more info]
  • Conference paper Kulmer J., Leitinger E., Meissner P., Hinteregger S. & Witrisal K. (2016) Cooperative Localization and Tracking using Multipath Channel Information.. [more info]
  • Conference paper Hinteregger S., Leitinger E., Meissner P., Kulmer J. & Witrisal K. (2016) Bandwidth Dependence of the Ranging Error Variance in Dense Multipath.. [more info]
  • Conference paper Hinteregger S., Leitinger E., Meissner P. & Witrisal K. (2016) MIMO Gain and Bandwidth Scaling for RFID Positioning in Dense Multipath Channels.. [more info]
  • Conference paper Witrisal K., Hinteregger S., Kulmer J., Leitinger E. & Meissner P. (2016) High-accuracy positioning for indoor applications: RFID, UWB, 5G, and beyond. (pp. 1-7). [more info] [doi]
  • Journal article Witrisal K., Leitinger E., Hinteregger S. & Meissner P. (2016) Bandwidth Scaling and Diversity Gain for Ranging and Positioning in Dense Multipath Channels. in IEEE Wireless Communications Letters, PP(99). [more info] [doi]
  • Conference paper Hinteregger S., Leitinger E., Meissner P. & Witrisal K. (2016) MIMO gain and bandwidth scaling for RFID positioning in dense multipath channels. (pp. 1-6). [more info] [doi]
  • Conference paper Leitinger E., Meissner P., Witrisal K., Hlawatsch F. & Meyer F. (2016) Belief Propagation based Joint Probabilistic Data Association for Multipath-Assisted Indoor Navigation and Tracking.. [more info]
  • Doctoral Thesis Leitinger E. (2016) Cognitive Indoor Positioning and Tracking using Multipath Channel Information.. [more info]
  • Journal article Witrisal K., Meissner P., Leitinger E., Shen Y., Gustafson C., Tufvesson F., Haneda K., Dardari D., Molisch A., Conti A. & Win M. (2016) High-Accuracy Localization for Assisted Living. in IEEE Signal Processing Magazine , 33(2), p. 59-70. [more info] [doi]
  • Conference paper Leitinger E., Meissner P., Lafer M. & Witrisal K. (2015) Simultaneous Localization and Mapping using Multipath Channel Information. (pp. 754-760). [more info]
  • Conference paper Leitinger E., Meissner P., Lafer M. & Witrisal K. (2015) Multipath-assisted Indoor Simultaneous Localization and Mapping. in COST Action IC1004 Management Committee Meeting (pp. 1-1). [more info]
  • Conference paper Dumphart G., Leitinger E., Meissner P. & Witrisal K. (2015) Monostatic Indoor Localization: Bounds and Limits. (pp. 865-870). [more info]
  • Conference paper Steinböck G., Gan M., Meissner P., Leitinger E., Witrisal K., Zemen T. & Pedersen T. (2015) Hybrid Model for Reverberant Indoor Radio Channels using Rays and Graphs. (pp. 1-1). [more info]
  • Conference paper Meissner P., Leitinger E. & Witrisal K. (2015) Robust and Accurate Indoor Localization using Channel Information. in COST Action IC1004 Management Committee Meeting (pp. 1-1). [more info]
  • Conference paper Kulmer J., Leitinger E., Meissner P. & Witrisal K. (2015) Cooperative Multipath-assisted Navigation and Tracking: A Low-Complexity Approach. (pp. 1-7). [more info]
  • Conference paper Kmiecik J., Meissner P., Leitinger E., Witrisal K. & Kulakowski P. (2015) Experimental Validation of Passive Indoor Localization and Tracking Using UWB Systems. in COST Action IC1004 Management Committee Meeting (pp. 1-1). [more info]
  • Journal article Leitinger E., Meissner P., Rüdisser C., Dumphart G. & Witrisal K. (2015) Evaluation of Position-related Information in Multipath Components for Indoor Positioning. in IEEE Journal on Selected Areas in Communications, p. 2313-2328. [more info] [doi]
  • Conference paper Leitinger E., Froehle M., Meissner P. & Witrisal K. (2014) Multipath-Assisted Maximum-Likelihood Indoor Positioning using UWB Signals. in COST Action IC1004 Management Committee Meeting (pp. 1-1). [more info]
  • Conference paper Gan M., Meissner P., Mani F., Leitinger E., Froehle M., Oestges C., Witrisal K. & Zemen T. (2014) Low-Complexity Sub-band Divided Ray Tracing for UWB Indoor Channels.. [more info]
  • Conference paper Meissner P., Leitinger E., Lafer M. & Witrisal K. (2014) Real-Time Demonstration of Multipath-Assisted Indoor Navigation and Tracking (MINT). in COST Action IC1004 Management Committee Meeting (pp. 1-1). [more info]
  • Conference paper Leitinger E., Froehle M., Meissner P. & Witrisal K. (2014) Multipath-Assisted Maximum-Likelihood Indoor Positioning using UWB Signals.. [more info]
  • Conference paper Meissner P., Leitinger E., Lafer M. & Witrisal K. (2014) Real-Time Demonstration of Multipath-Assisted Indoor Navigation and Tracking (MINT).. [more info]
  • Conference paper Steinboeck G., Gan M., Meissner P., Leitinger E., Zemen T., Witrisal K. & Pedersen T. (2014) Preliminary Hybrid Model For Reverberant Indoor Radio Channels. in COST Action IC1004 Management Committee Meeting (pp. 1-1). [more info]
  • Conference paper Gan M., Meissner P., Mani F., Leitinger E., Froehle M., Oestges C., Witrisal K. & Zemen T. (2014) Calibration of Indoor UWB Sub-band Divided Ray Tracing Using Multiobjective Simulated Annealing.. [more info]
  • Conference paper Leitinger E., Meissner P., Froehle M. & Witrisal K. (2014) Performance Bounds for Multipath-assisted Indoor Localization on Backscatter Channels. in IEEE Radar Conference. [more info]
  • Conference paper Leitinger E., Fröhle M., Meissner P. & Witrisal K. (2014) Multipath-Assisted Maximum-Likelihood Indoor Positioning using UWB Signals. (pp. 170-175). [more info] [doi]
  • Journal article Meissner P., Leitinger E. & Witrisal K. (2014) UWB for Robust Indoor Tracking: Weighting of Multipath Components for Efficient Estimation. in IEEE Wireless Communications Letters, 3(5), p. 501-504. [more info] [doi]
  • Conference paper Fröhle M., Leitinger E., Meissner P. & Witrisal K. (2013) Cooperative Multipath-Assisted Indoor Navigation and Tracking (Co-MINT) Using UWB Signals. in IEEE International Conference on Communications. [more info]
  • Conference paper Witrisal K., Leitinger E., Meissner P. & Arnitz D. (2013) Cognitive Radar for the Localizaiton of RFID Transponders in Dense Multipath Environments. (pp. 1-6). [more info]
  • Conference paper Witrisal K., Leitinger E., Meissner P. & Arnitz D. (2013) Cognitive Radar for the Localizaiton of RFID Transponders in Dense Multipath Environments. (pp. 1-6). [more info]
  • Conference paper Meissner P., Gan M., Mani F., Leitinger E., Fröhle M., Oestges C., Zemen T. & Witrisal K. (2013) On the Use of Ray Tracing for Performance Prediction of UWB Indoor Localization Systems. in IEEE International Conference on Communications. [more info]
  • Conference paper Meissner P., Leitinger E., Fröhle M. & Witrisal K. (2013) Accurate and Robust Indoor Localization Systems Using Ultra-wideband Signals. in European Navigation Conference 2013. [more info]
  • Conference paper Leitinger E., Geiger B. & Witrisal K. (2012) Capacity and capacity-achieving input distribution of the energy detector. in IEEE International Conference on Ultra-Wideband (pp. 57-61). [more info] [doi]