2026

  • M. Haardt, "Joint Phase Noise Parameter Compensation (PNPC) and High-Resolution 1-D or 2-D Parameter Estimation in DFT Beamspace for Hybrid MIMO Systems," 12th Annual European Future of Wireless Technology Workshop, Stockholm, Sweden, 10 September 2026.
 
  • M. Haardt, “Gridless Channel Estimation for Hybrid MIMO OFDM Systems in the Millimetre Wave Band Using Tensor-Based High-Resolution Techniques,” German Aerospace Centre (DLR), Institute for Communications and Navigation, Oberpfaffenhofen, Germany, 18 March 2026.
 
  • M. Haardt, A. Manina, J. K. Chege, T. Hornick, S. Dunker, and A. Yeredor, “Pollen Quantification via Bayesian Probability Mass Function Estimation with Automatic Rank Detection,” Information Theory and Applications (ITA) Workshop, San Diego, CA, USA, 11 February 2026.
     

2025

  • J. K. Chege, A. Yeredor, and M. Haardt, "Probabilistic Position-aided Beam Selection for mmWave MIMO Systems," ​Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 7 October 2025, programme.
 
  • G. C. Nwalozie, A. L. F. de Almeida, and M. Haardt, "Enhanced channel estimation for double RIS-aided MIMO systems using coupled tensor decompositions," ​Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 7 October 2025, programme.
 
  • L. Khamidullina and M. Haardt, “Tensor-based Near-Field Localisation,” ​Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 7 October 2025, programme.
 
  • A. Manina, J. K. Chege, T. Hornick, S. Dunker, A. Yeredor, and M. Haardt, “Pollen Quantification Using Bayesian Probability Mass Function Estimation with Automatic Rank Detection,” ​Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 7 October 2025, programme.
 
  • D. Rakhimov and M. Haardt, “Multidimensional Beamspace Processing for FMCW Automotive Radar,” ​Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 7 October 2025, programme.
 
  • M. Haardt and L. Khamidullina, “Fundamentals of Tensor-based Near-Field Localisation in Wireless Communications and Radar,”  33rd European Signal Processing Conference (EUSIPCO 2025), Signal Processing for Autonomous Systems (SPAS) Workshop, keynote presentation, Palermo, Italy, 12 September 2025, programme schedule, speakers’ profiles.
 
  • M. Haardt, J. K. Chege, A. Manina, and A. Yeredor, “Bayesian Estimation of a Probability Mass Function Tensor: An Automatic Rank Detection Approach with Applications to Recommender Systems and the Quantification of Pollen Concentrations," 10th Workshop on Three-way Methods in Chemistry and Psychology (TRICAP 2025), Ålesund, Norway, 26 June 2025, HTML.
 
  • M. Haardt, G. C. Nwalozie, and A. L. F. de Almeida, “Enhanced Channel Estimation in Double RIS-aided MIMO Systems using Coupled Tensor Decompositions,” IEEE SAM 2026 Warm-Up, College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China, 28 May 2025, PDF.
 
  • M. Haardt and L. Khamidullina, "The Multilinear Generalised Singular Value Decomposition (ML-GSVD) and Its Applications in Wireless Communications," SIAM Conference on Computational Science and Engineering (CSE), Minisymposium on “Multilinear Methods for Comparative Data Analysis, Data Fusion, and More”,Fort Worth, TX, USA, 5 March 2025, HTML.
 
  • M. Haardt, J. K. Chege, and A. Yeredor, “Bayesian Estimation of a Probability Mass Function Tensor with Automatic Rank Detection,” Information Theory and Applications (ITA) Workshop, San Diego, CA, USA, 11 February 2025.
 
  • M. Haardt, “Gridless Joint Phase Error and High-Resolution DoA Estimation in DFT Beamspace for Hybrid MIMO OFDM Systems,” University of California, San Diego, Jacobs School of Engineering, ECE Seminar, San Diego, La Jolla, CA, USA, 6 February 2025.
     

2024

  • J. K. Chege, A. Yeredor, and M. Haardt, "Bayesian Estimation of a Probability Mass Function Tensor with Automatic Rank Detection," ​Workshop on Communication, Sensing, and Allocation in Future Wireless Systems, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 8 October 2024, programme.
 
  • M. Haardt and J. K. Chege, “Maximum Likelihood Estimation of a Low-Rank Probability Mass Tensor from Partial Observations,” ​Workshop on Communication, Sensing, and Allocation in Future Wireless Systems, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 7 October 2024, programme.
 
  • S. Gherekhloo, K. Ardah, G. C. Nwalozie, A. L. F. de Almeida, and M. Haardt, "An Efficient Channel Training Protocol for Channel Estimation in Double RIS-Aided MIMO Systems," ​Workshop on Communication, Sensing, and Allocation in Future Wireless Systems, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 7 October 2024, programme.
 
  • M. Haardt, “Successful Preparation for a Global Career in Communications and Signal Processing – The international MSCSP programme at TU Ilmenau,” GRIAT Alumni Reunion to mark the 10th anniversary of GRIAT, Luisenthal, Germany, 24 August 2024.
 
  • M. Haardt, “Gridless Joint Phase Error and High-Resolution DoA Estimation in DFT Beamspace for Hybrid MIMO OFDM Systems”, Centre for Telecommunications Research (CETUC), Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil,  19 July 2024.
 
  • M. Haardt, “Gridless Joint Phase Error and High-Resolution DoA Estimation in DFT Beamspace for Hybrid MIMO OFDM Systems,” Huawei Strategy and Technology Workshop (STW), Shenzhen, China, 22 May 2024.
 
  • L. Khamidullina, “Advanced Multi-Dimensional Signal Processing Concepts for Wireless Communications, Sensing, and Biomedical Data Fusion,” Science Forum, Technische Universität Ilmenau, 24 April 2024.
 
  • A. Kwasinski, G. Cheung, D. Mandic, M. Haardt, and J. Moura, “Panel Discussion on ‘The Impact of Recent ML and AI Advancements in Signal Processing Education and Research’,” IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2024), Seoul, Korea, 16 April 2024, HTML, Panel.
 
  • M. Haardt, S. Gherekhloo, and K. Ardah, “Sequential Alternating Least Squares Approximation (SALSA) for Efficient Channel Estimation in Hybrid Massive MIMO Systems,” Information Theory and Applications (ITA) Workshop, San Diego, CA, USA,  20 February 2024.
 
  • M. Haardt, "Gridless Channel Estimation for Hybrid MIMO OFDM Systems in the Millimetre Wave Band Using Tensor-Based High-Resolution Techniques," University of California, San Diego, Jacobs School of Engineering, San Diego, La Jolla, CA, USA, 16 February 2024, PDF.
 

2023

  • M. Maleki, "From 5G-Advanced Towards 6G: Key Technology Enablers (Multi-Antenna Channel Estimation and Beamforming Application Scenarios)," Science Forum, Technische Universität Ilmenau, 6 December 2023.
 
  • S. Gherekhloo, K. Ardah, and M. Haardt, “Sequential Alternating Least Squares Approximation (SALSA) for Efficient Channel Estimation in Hybrid Massive MIMO Systems,” ​Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 3 October 2023.
 
  • A. Manina, M. Grasis, A. L. F. de Almeida, and M. Haardt, "Coupled Matrix Tensor Factorisation via a Semi-Algebraic Solution based on Simultaneous Matrix Diagonalisation (SECSI-CMTF)," ​Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 3 October 2023.
 
  • G. C. Nwalozie, D. Rakhimov, and M. Haardt, “Near-Field Beamforming for MU-MIMO Millimetre-Wave Communication Systems,” ​Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 2 October 2023.
 
  • L. Khamidullina and M. Haardt, "Block-term Decomposition for Near-Field Localisation in Multi-static MIMO Radar Systems," ​Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 2 October 2023.
 
  • M. Haardt, “Sequential Alternating Least Squares Approximation (SALSA) for Efficient Channel Estimation in Hybrid Massive MIMO Systems,” Huawei Strategy and Technology Workshop (STW), Huawei Munich Research Centre, Rottach-Egern, Germany, 26 September 2023.
 
  • M. Haardt and J. K. Chege, “Maximum Likelihood Estimation of a Low-Rank Probability Mass Tensor from Partial Observations,” Research Seminar Series on Machine Learning and Signal Processing, Hebrew University of Jerusalem, Israel, 20 April 2023.
 
  • J. K. Chege, M. J. Grasis, A. Manina, A. Yeredor, and M. Haardt, “Efficient Estimation of Probability Mass Functions from Partially Observed Data,” Tel Aviv University, Israel, 18 April 2023.
 
  • M. Haardt, J. K. Chege, M. J. Grasis, A. Manina, and A. Yeredor, “Efficient Estimation of Probability Mass Functions from Partially Observed Data,” Information Theory and Applications (ITA) Workshop, San Diego, CA, USA,  14 February 2023.
   

2022

  • M. Haardt, “Maximum Likelihood Estimation of a Low-Rank Probability Mass Tensor from Partial Observations,” 5th International Conference on Information Communication and Signal Processing (ICICSP 2022), plenary presentation, Shenzhen, China, 28 November 2022.
 
  • M. Haardt, “Efficient Maximum Likelihood Estimation of a Low-Rank Probability Mass Tensor from Partial Observations,” Workshop on Tensor Theory and Methods, Huawei, Lagrange Mathematics and Computing Research Centre, Paris, France, 24 November 2022, HTML.
 
  • M. Haardt, D. Rakhimov, E. Jorswieck, and B. Peng, “Work Item 2.1 – Reconfigurable Intelligent Surfaces and Holographic Beamforming”, SatNEx V (SATellite Network of EXperts) Mid-Term Meeting, organised by the European Space Agency (ESA), 8 November 2022, online.
 
  • A. Manina, M. Grasis, L. Khamidullina, A. A. Korobkov, J. Haueisen, and M. Haardt. “Coupled CP decomposition of EEG and MEG magnetometer and gradiometer measurements via the coupled SECSI framework,” Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 11 October 2022.
 
  • S. Gherekhloo and M. Haardt, "Tensor-based channel estimation with adjustable training overhead and reflection design for double RIS-aided millimetre-wave MIMO communication systems," Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 7 October 2022.
 
  • L. Khamidullina and M. Haardt, “Efficient Computation of the (Coupled) Block-Term Decomposition in Rank-(Lr, Lr,1) Terms,” ​Seminar Series on Tensor-Based Signal Processing, Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), Fortaleza, Brazil, 6 October 2022.
 
  • M. Haardt, “Gridless Channel Estimation for Hybrid MIMO OFDM Systems in the Millimetre Wave Band.” Huawei Strategy and Technology Workshop (STW), 28 September 2022, Shenzhen, China.
 
  • M. Haardt, “Gridless Channel Estimation for Hybrid MIMO OFDM Systems in the Millimetre Wave Band Using Tensor-Based High-Resolution Techniques.” XL Brazilian Symposium on Telecommunications and Signal Processing (SBrT), National Institute of Telecommunications – Inatel, 26 September 2022, plenary keynote presentation, Santa Rita do Sapucaí, Minas Gerais, Brazil, HTML.
 
  • M. Haardt, “Gridless Channel Estimation for Hybrid MIMO OFDM Systems in the Millimetre Wave Band Using Tensor-Based High-Resolution Techniques.” Centre for Telecommunications Research (CETUC), Pontifical Catholic University of Rio de Janeiro (PUC-Rio), 22 September 2022, Rio de Janeiro, Brazil.
 
  • M. Wolf, “OFDM for short-range fibre-optic transmission.” Seminar Series of the Institute of Information Technology, Ilmenau University of Technology, 15 July 2022, Ilmenau, Germany.

     

  • M. Haardt, “Maximum likelihood estimation of a low-rank probability mass tensor from partial observations.” 9th Workshop on Three-way Methods in Chemistry and Psychology (TRICAP 2022), 30 June 2022, Auberge des Seguins, Luberon, France. 

     

  • M. Haardt, “Gridless Channel Estimation for Hybrid MIMO OFDM Systems in the Millimetre Wave Band via R-D Unitary Tensor-ESPRIT in DFT Beamspace.” 12th IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2022), 23 June 2022, plenary talk, Trondheim, Norway, HTML. 

     

  • S. Gannot, Z.-H. Tan, M. Haardt, N. F. Chen, H.-T. Wai, and I. Tashev, “Panel Discussion on Data Science Education: The Signal Processing Perspective.” IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2022), 24 May 2022, Singapore, HTML, PDF, Photo.

     

2021

  • M. Haardt, “Tensor-based gridless channel estimation for hybrid MIMO OFDM systems in the millimetre-wave band.” 8th International Conference on Signal and Information Processing, Networking, and Computers (ICSINC 2021), 3 December 2021, Jinan, Shandong Province, China, invited keynote presentation, HTML.

     

  • M. Haardt, “Gridless Channel Estimation for Hybrid MIMO OFDM Systems in the Millimetre Wave Band.” 25th International ITG Workshop on Smart Antennas (WSA 2021), 11 November 2021, plenary keynote presentation, EURECOM, Sophia Antipolis, France.

     

  • M. Wolf and M. Haardt, “Serial versus parallel wireless optical indoor transmission: a comparison of PAM and DMT.” 2021 IEEE 4th 5G World Forum (5GWF’21), (virtual), TV-3: Optical Wireless Communication (OWC), Ilmenau University of Technology, 13 October 2021, Montreal, Canada.

     

  • M. Haardt, A. A. Korobkov, A. Manina, and D. Rakhimov, “Efficient processing of multidimensional data via tensor-based techniques.” IEEE Statistical Signal Processing Workshop (SSP 2021), Online Tutorial, 11 July 2021, Rio de Janeiro, Brazil, HTML.

     

  • K. Ardah and M. Haardt, “Intelligent surfaces in SatCom.” SatNEx V (SATellite Network of EXperts) Mid-Term Meeting, organised by the European Space Agency (ESA), 7 July 2021, online.

     

 

2020

  • S. A. Cheema and M. Haardt, “Beamforming optimisation with per-element power constraints.” SatNEx IV (SATellite Network of EXperts) Final Review Meeting, organised by the European Space Agency (ESA), 30 June 2020, online.

     

  • M. Haardt, “Tensor-based high-resolution channel parameter estimation for hybrid MIMO OFDM systems in the millimetre wave band.” Oregon State University (OSU), School of Electrical Engineering and Computer Science Colloquium, 10 February 2020, Corvallis, OR, HTML.

     

  • M. Haardt, D. Rakhimov, and J. Zhang, “Tensor-based high-resolution channel parameter estimation for hybrid MIMO OFDM systems in the millimetre wave band.” Information Theory and Applications Workshop (ITA 2020), 3 February 2020, San Diego, CA.

     

 

2019

  • S. Lau, K. Naskovska, A. A. Korobkov, J. Haueisen, and M. Haardt, “Alpha and theta oscillators during photic stimulation in MEG-EEG signals differentiated using coupled CP decomposition.” ANS (Australasian Neuroscience Society) Sensorimotor Satellite Meeting, 2 December 2019, Adelaide, Australia.

     

  • A. A. Korobkov, K. Naskovska, M. Haardt, and J. Haueisen, “Joint processing of brain signals based on tensor algebra.” 5th International Conference on BCI (Brain-Computer Interface): Science and Practice, 4 October 2019, Samara, Russia, PDF.

     

  • M. Haardt, I. Podkurkov, J. Zhang, and A. Nadeev, “Efficient multidimensional wideband parameter estimation for OFDM-based joint radar and communication systems.” Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), 3 October 2019, Fortaleza, Brazil, JPG.

     

  • M. Haardt, “Using double contractions to derive the tensor structure of slice-wise multiplications of tensors with applications to PARAFAC2 and MIMO OFDM.” University of Lorraine, Centre for Research in Automation in Nancy (CRAN), 11 July 2019, Nancy, France.

     

  • M. Haardt, “Using double contractions to derive the tensor structure of slice-wise multiplications of tensors.” CNRS GDR ISIS Day “New Tensor Methods and Applications”, 17 June 2019, Paris, France, invited keynote presentation.

     

  • M. Haardt, “Using double contractions to derive the tensor structure of slice-wise multiplications of tensors with applications to MIMO OFDM.” Sensor Array and Multichannel Signal Processing for Data Analytics (SAM-DA) Workshop, 27 May 2019, Hangzhou, China, keynote presentation.

     

  • K. Ardah, A. L. F. de Almeida, and M. Haardt, “A gridless CS approach for channel estimation in hybrid massive MIMO systems.” 90th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), 19 February 2019, Vienna, Austria.

     

  • M. Haardt, “Double contractions of tensors to represent slice-wise multiplications of tensors – with applications to PARAFAC2 and multi-carrier MIMO systems in wireless communications.” University of California, Riverside, Department of Electrical Engineering Colloquium, 7 February 2019, Riverside, CA.

     

  • M. Haardt, K. Naskovska, and A. L. F. de Almeida, “Derivation and exploitation of the constrained CP tensor structure of Khatri-Rao-coded MIMO OFDM.” Information Theory and Applications (ITA) Workshop, 12 February 2019, San Diego, CA.

     

2018

  • M. Haardt, “Double contractions of tensors to represent slice-wise multiplications of tensors – with applications to PARAFAC2 and multi-carrier MIMO systems in wireless communications.” International Workshop on Mathematical Issues in Information Sciences (MIIS 2018), The Chinese University of Hong Kong in Shenzhen, 21 December 2018, Shenzhen, China, HTML, HTML, HTML.

     

  • M. Haardt, “Double contractions of tensors to represent slice-wise multiplications of tensors – with applications to multi-carrier MIMO systems in wireless communications.” Bell Labs International Colloquium, Nokia Bell Labs, 23 November 2018, Stuttgart, Germany.

     

  • M. Haardt, “Double contractions of tensors to represent slice-wise multiplications – with applications to multi-carrier MIMO systems in wireless communications.” Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), 25 September 2018, Fortaleza, Brazil.

     

  • M. Haardt, “Preparing for a global career in communications and signal processing – the international MSCSP programme at TU Ilmenau.” Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), 25 September 2018, Fortaleza, Brazil.

     

  • M. Haardt, “Double contractions of tensors to represent slice-wise multiplications – with applications to multi-carrier MIMO systems in wireless communications.” 8th Workshop on Three-way Methods in Chemistry and Psychology (TRICAP 2018), 15 June 2018, Angel Fire, NM.

     

  • M. Haardt, I. Podkurkov, J. Zhang, and A. Nadeev, “Efficient multidimensional wideband parameter estimation for OFDM-based joint radar and communication systems.” Information Theory and Applications (ITA) Workshop, 13 February 2018, San Diego, CA.

     

 

2017

  • K. Naskovska and M. Haardt, “A semi-algebraic framework for approximate CP tensor decompositions via simultaneous matrix diagonalizations (SECSI): Fundamentals, extensions to coupled CP decompositions, and applications to biomedical data,” 11 July 2017, TU Dresden, Germany.

     

  • K. Naskovska, “From Skopje to Ilmenau, from linear to multilinear signal processing.” Annual Day of Information Technology, 23 June 2017, Ilmenau University of Technology, Germany, HTML.

     

  • M. Haardt, “First-order perturbation analysis of low-rank tensor approximations based on the truncated HOSVD.” Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), 27 April 2017, Fortaleza, Brazil.

     

  • M. Wolf, S. A. Cheema, and M. Haardt, “Frequency-domain equalisation for dispersive optical channels with intensity modulation and direct detection,” March 2017, PDF.

     

 

2016

  • M. Haardt, “A semi-algebraic framework for approximate CP tensor decompositions via simultaneous matrix diagonalisation.” University of California, San Diego, Jacobs School of Engineering, 10 November 2016, San Diego, La Jolla, CA, HTML.

     

  • J. Zhang and M. Haardt, “Efficient hybrid beamforming concepts for massive MIMO.” 37th meeting of the Wireless World Research Forum (WWRF), October 2016, Kassel, Germany.

     

  • M. Haardt, “A semi-algebraic framework for approximate CP tensor decompositions via joint matrix diagonalisation and generalised unfoldings.” Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), September 2016, Fortaleza, Brazil, 27 September.

     

  • M. Haardt, “Efficient hybrid analogue-digital beamforming concepts for massive MIMO.” Department of Teleinformatics Engineering (GTEL), Federal University of Ceará (UFC), September 2016, Fortaleza, Brazil, 29 September.

     

  • M. Haardt, “Efficient two-way relaying techniques for amplify-and-forward relays with multiple antennas and hybrid beamforming concepts for massive MIMO.” Fourth EURASIP–IEEE Spanish Workshop on Signal Processing, Information Theory, and Communication (SIC 2016), plenary presentation, 19 July 2016, Santander, Spain, HTML.

     

  • K. Naskovska and M. Haardt, “Extension of the semi-algebraic framework for approximate CP decompositions via simultaneous matrix diagonalisation to the efficient calculation of coupled CP decompositions,” 15 July 2016, Leuven, Belgium, HTML.

     

  • M. Haardt, “Efficient two-way relaying schemes for amplify-and-forward relays with multiple antennas and hybrid beamforming concepts for massive MIMO.” IEEE ICASSP 2016 Workshop on Sensor Array Processing and Communications (ICASSP-WSAC), 28 March 2016, Xi’an, China, PDF, HTML.

     

  • Y. Cheng, A. Yeredor, and M. Haardt, “A sequentially drilled joint congruence decomposition (SeDJoCo) and its extended version.” SIAM Workshop on Tensor Decompositions and Applications (TDA 2016), 20 January 2016, Leuven, Belgium, HTML.

     

2015

  • Y. Cheng, A. Yeredor, and M. Haardt, “Sequentially Drilled Joint Congruence Decompositions (SeDJoCo): The Simple Case and the Extended Case.” SIAM Conference on Applied Linear Algebra, Atlanta, Oct. 2015.

     

  • S. A. Cheema, M. Wolf, and M. Haardt, “Frequency-domain equalisation for visible light communication,” Sept. 2015.

     

  • M. Haardt and A. T. Cemgil, “Matrix and tensor decompositions.” Summer School of the 12th International Conference on Latent Variable Analysis and Signal Separation (LVA / ICA), 24 August 2015, Liberec, Czech Republic.

     

  • M. Haardt, “A semi-algebraic framework for approximate CP decompositions via Simultaneous Matrix Diagonalisations (SECSI).” 7th Workshop on Three-way Methods in Chemistry and Psychology (TRICAP 2015), 3 June 2015, Pecol – Val di Zoldo (Belluno), Italy.

     

  • M. Haardt, F. Römer, and J. Zhang, “Efficient two-way relaying schemes for amplify-and-forward relays with multiple antennas.” Chalmers University of Technology, Department of Signals and Systems Colloquium, 28 April 2015, Gothenburg, Sweden.

     

 

2014

  • M. Haardt, “Research Overview in Communications and Signal Processing at Ilmenau University of Technology.” Centre for Telecommunications Research (CETUC), Pontifical Catholic University of Rio de Janeiro (PUC-Rio), 10 October 2014, Rio de Janeiro, Brazil.

     

  • M. Haardt and F. Römer, “Tensor-based channel estimation (TENCE) and iterative refinements for two-way relaying with multiple antennas and spatial reuse.” Centre for Telecommunications Research (CETUC), Pontifical Catholic University of Rio de Janeiro (PUC-Rio), 10 October 2014, Rio de Janeiro, Brazil, HTML.

     

  • M. Haardt and F. Römer, “Tensor-based channel estimation (TENCE) for two-way relaying with multiple antennas.” Ruhr University Bochum, Workshop in honour of Prof. A. Fettweis and Prof. J. F. Böhme, 12 September 2014, Bochum, Germany, HTML.

     

  • M. Haardt, “Multiple antenna concepts for 5G.” 5G@Europe Summit 2014, Huawei Technologies, 11 February 2014, Munich, Germany.

     

 

2013

  • B. Song, “Linear transmit-receive strategies for multi-user MIMO wireless communications.” Ilmenau International Seminar Series on Communication and Signal Processing, 5 July 2013, Ilmenau, Germany.

     

  • M. Haardt, F. Römer, and J. Zhang, “Efficient two-way relaying schemes for amplify-and-forward relays with multiple antennas.” University of California, San Diego, Department of Electrical and Computer Engineering, Information Theory and Applications Colloquium, 6 June 2013, La Jolla, CA, HTML.

     

  • M. Haardt, F. Römer, and J. Zhang, “Efficient two-way relaying schemes for amplify-and-forward relays with multiple antennas.” University of California, Riverside, Department of Electrical Engineering Colloquium, 3 June 2013, Riverside, CA.

     

  • M. Haardt, J. Zhang, and O. Taghizadeh, “Full-duplex wireless communications with partial interference cancellation.” The University of York, Research Seminar of the Department of Electronics, 27 March 2013, York, United Kingdom.

     

2012

  • M. Haardt and E. Jorswieck, “Fundamental aspects of physical resource sharing in wireless networks: Relay-sharing scenarios.” External Advisory Board Meeting of the European FP7 Project SAPHYRE, 20 November 2012, Berlin, Germany.

     

  • M. Haardt, F. Römer, and J. Zhang, “Efficient two-way relaying schemes for amplify-and-forward relays with multiple antennas.” Wireless Research/Physical Layer Seminar Series, Bell Labs, Alcatel-Lucent, 13 September 2012, Stuttgart, Germany.

     

  • M. Haardt, F. Römer, and J. Zhang, “Efficient two-way relaying schemes for amplify-and-forward relays with multiple antennas.” The University of York, Research Seminar of the Department of Electronics, Inaugural Lecture as “Honorary Visiting Professor”, 11 June 2012, York, United Kingdom, HTML.

     

 

2011

  • M. Haardt, F. Römer, and J. Zhang, “Efficient two-way relaying schemes for amplify-and-forward relays with multiple antennas.” Stanford University, Smart Antennas Research Group, 10 November 2011, Palo Alto, CA.

     

  • M. Haardt, J. Zhang, and F. Römer, “Spectrum and relay sharing via the projection-based separation of multiple operators (ProBaSeMO).” 27th Meeting of the Wireless World Research Forum (WWRF), 19 October 2011, Düsseldorf, Germany.

     

  • M. Haardt, F. Römer, J. Zhang, and J. Li, “Relay techniques for multi-user MIMO communication systems.” External Advisory Board Meeting of the European FP7 Project SAPHYRE, Sept. 2011, Frankfurt, Germany, 27 September.

     

  • M. Haardt, “Future mobile and wireless radio systems: Challenges in European research.” International Summer Academy on Mobile Communications, 21 July 2011, Ilmenau University of Technology, Germany.

     

2010

  • M. Haardt, “Spectrum and infrastructure sharing in wireless networks: Signal processing and coding (WP 3).” External Advisory Board Meeting of the European FP7 Project SAPHYRE, 30 September 2010, Brussels, Belgium.

     

  • M. Haardt, F. Römer, and H. Becker, “Analytical performance evaluation of multidimensional HOSVD-based subspace estimation techniques.” SIAM Workshop on Tensor Decompositions and Applications (TDA 2010), 13 September 2010, Monopoli, Italy, invited overview presentation, HTML, PDF.

     

  • F. Römer and M. Haardt, “A semi-algebraic (‘closed-form’) solution for multilinear PARAFAC.” Trilateral workshop on Separation of Variables and Applications (SVA), 9 September 2010, La Colle-sur-Loup, France, invited talk.

     

  • N. Song, M. Wolf, and M. Haardt, “Digital non-coherent UWB receiver based on TH-Walsh transmission schemes,” 22 March 2010.

     

  • M. Haardt and F. Römer, “Efficient two-way relaying schemes with multiple antennas.” University of California, Irvine, Department of Electrical Engineering and Computer Science, 9 May 2010, Irvine, CA.

     

2009

  • M. Haardt, F. Roemer, and H. Becker, “Higher-order SVD-based subspace estimation to improve the accuracy of multi-dimensional parameter estimation schemes.” Supélec, Department of Signals and Electronic Systems, 9 December 2009, Gif-sur-Yvette, France.

     

  • J. P. C. L. da Costa, “Multidimensional model order selection.” Ilmenau International Seminar Series on Communications and Signal Processing, 2 December 2009, Communications Research Laboratory, TU Ilmenau, Germany.

     

  • M. Haardt, F. Roemer, and G. Del Galdo, “Higher-order SVD-based subspace estimation to improve the accuracy of multi-dimensional parameter estimation algorithms.” University of Nice at Sophia Antipolis, I3S Laboratory, 17 September 2009, Sophia Antipolis, France.

     

  • H. Becker, F. Roemer, and M. Haardt, “Performance analysis of higher-order SVD-based parameter estimation techniques.” University of Nice Sophia Antipolis, I3S Laboratory, 17 September 2009, Sophia Antipolis, France.

     

  • M. Haardt and F. Roemer, “Tensor-based channel estimation (TENCE) for two-way relaying with multiple antennas and scalable complexity to facilitate cross-layer techniques.” IEEE International Workshop on Cross-Layer Design (IWCLD), 12 June 2009, Palma de Mallorca, Spain, invited keynote presentation.

     

  • M. Wolf, “Single Carrier Block Transmission for VLC.” Single Carrier Workshop, Fraunhofer Heinrich Hertz Institute, Berlin, June 2009, presentation.

     

  • F. Roemer, “Two-way relaying in multi-user MIMO communication systems.” Ilmenau International Seminar Series on Communications and Signal Processing of the Institute for Information Technology (InIT), 26 May 2009, Ilmenau, Germany, abstract.

     

  • N. Song, “Non-coherent Receivers for Energy-Efficient UWB Transmission.” UKoLoS Annual Colloquium 2009, 26–27 February 2009, Erlangen, Germany.

     

  • B. Song and M. Haardt, “Analysis and improvements of linear multi-user MIMO precoding techniques.” DFG Colloquium “Techniques, Algorithms and Concepts for Future COFDM Systems” (TakeOFDM), 25–26 February 2009, Friedrich-Alexander University of Erlangen-Nuremberg PDF.

     

 

2008

  • M. Haardt, “Current Research Focuses in Communications Engineering.” Ilmenau University of Technology, 17 December 2008, Ilmenau, Germany, organised by the IEEE Student Branch.

     

  • M. Haardt, F. Roemer, and G. Del Galdo, “Higher-order SVD-based subspace estimation to improve the accuracy of multi-dimensional parameter estimation algorithms.” Eindhoven University of Technology, 10 December 2008, Eindhoven, the Netherlands.

     

  • M. Haardt, “Future Mobile and Wireless Radio Systems: Challenges in European Research.” Information and Communication Technology (ICT) Event 2008, 26 November 2008, Lyon, France, invited by the European Commission, HTML.

     

  • M. Haardt, M. Weis, and F. Roemer, “Practical space division multiple access (SDMA) techniques for enterprise applications.” Nortel Wireless Forum 17 (via audio link), 19 November 2008, Ottawa, Canada.

     

  • J. H. Kim, “Multiuser MIMO techniques with feedback.” Ilmenau International Seminar Series on Communications and Signal Processing organised by the Institute for Information Technology (InIT), 3 November 2008, Ilmenau, Germany.

     

  • M. Haardt, “Multi-user MIMO systems in wireless communications.” Nortel, Wireless Technology Laboratories, Tech Talk Series, 25 April 2008, Ottawa, ON, Canada.

     

  • U. Korger and M. Haardt, “Cross-layer optimisation for MIMO-OFCDM systems in multi-hop scenarios.” DFG Colloquium “Techniques, Algorithms and Concepts for Future COFDM Systems” (TakeOFDM), 20–21 February 2008, Hamburg-Harburg University of Technology PDF.

     

  • N. Song, M. Wolf, and M. Haardt, “Non-coherent receivers for energy-efficient UWB transmission.” UKoLoS Annual Colloquium 2008, 7–8 May 2008, Ilmenau, Germany, PDF.

     

  • A. Thakre, “Channel estimation and tracking for single-carrier uplink transmission schemes.” Ilmenau International Seminar Series on Communications and Signal Processing of the Institute for Information Technology (InIT), 6 May 2008, Ilmenau, Germany.

     

  • M. Fuchs, “Multi-user scheduling for MIMO systems with space division multiple access.” Ilmenau International Seminar Series on Communications and Signal Processing of the Institute for Information Technology (InIT), 28 January 2008, Ilmenau, Germany.

     

 

2007

  • M. Haardt, “Multi-User MIMO Concepts for 4G Mobile Communications.” Annual Nortel Christmas Dinner for the German Press, keynote presentation, 27 November 2007, Munich, Germany.

     

  • M. Haardt, F. Roemer, and G. Del Galdo, “Higher-order SVD-based subspace estimation to improve the accuracy of parameter estimation in multi-dimensional harmonic retrieval problems.” Stanford University, Smart Antennas Research Group, 9 November 2007, Palo Alto, CA, USA.

     

  • M. Haardt and D. Falconer, “Wireless World Initiative New Radio: The WINNER project.” Nortel Networks, Wireless Technology Laboratories, Tech Talk Series, 10 October 2007, Harlow, United Kingdom.

     

  • M. Haardt, F. Römer, and G. Del Galdo, “Higher-order SVD-based subspace estimation to improve the performance of multi-dimensional parameter estimation algorithms.” University of York, Department of Electronics, 24 September 2007, York, United Kingdom.

     

  • M. Haardt, F. Römer, and G. Del Galdo, “Higher-order SVD-based subspace estimation to improve the performance of multi-dimensional parameter estimation algorithms.” University of California, San Diego, Department of Electrical and Computer Engineering, 9 April 2007, La Jolla, CA, USA.

     

  • G. Del Galdo, “Spherical harmonics: a powerful mathematical tool for antenna radiation pattern modelling.” Ilmenau International Seminar Series on Communications and Signal Processing of the Institute for Information Technology (InIT), 14 May 2007, Ilmenau, Germany.

     

  • N. Song, M. Wolf, and M. Haardt, “Non-coherent and autocorrelation receivers for energy-efficient UWB transmission.” Kick-off meeting for the UKoLoS project, 15 February 2007, Berlin, Germany, PDF.

     

 

2006

  • M. Wolf, “UWB Communications.” Ilmenau International Seminar Series on Communications and Signal Processing organised by the Institute for Information Technology (InIT), 11 December 2006, Ilmenau, Germany.

     

  • M. Haardt, “Practical space division multiple access (SDMA): architectures and algorithms.” Nortel Wireless Forum (via audio link), 9 November 2006, Ottawa, Canada.

     

  • M. Haardt, “Multi-user MIMO downlink precoding and scheduling.” ArrayComm Inc., 3 November 2006, San Jose, CA, USA.

     

  • M. Haardt, “Multi-user MIMO downlink precoding and scheduling.” University of Nice at Sophia Antipolis, I3S Laboratory, 3 October 2006, Sophia Antipolis, France.

     

  • M. Haardt and F. Römer, “Enhancements of Unitary ESPRIT for hexagonal arrays and non-circular sources.” Technical University of Munich, Seminar Series on Circuit Theory and Signal Processing, 26 July 2006, Munich, Germany.

     

  • M. Fuchs, G. Del Galdo, M. Milojevic, H. Henry, and M. Haardt, “Spatial resource allocation strategies and efficient channel estimation and channel prediction methods for multi-user MIMO systems.” DFG Colloquium “Techniques, Algorithms and Concepts for Future COFDM Systems” (TakeOFDM), 15 February 2006, University of Hanover PDF.

     

2005

  • G. Del Galdo, “Geometry-based channel modelling for multi-user MIMO systems.” Ilmenau International Seminar Series on Communications and Signal Processing organised by the Institute for Information Technology (InIT), 28 November 2005, Ilmenau, Germany.

     

  • M. Haardt and G. Del Galdo et al., “Intelligent Antennas – System Aspects and Signal Processing.” Short Course, Carl-Cranz-Gesellschaft, Oberpfaffenhofen, Germany, 14–18 November 2005.

     

  • M. Hennhöfer, “Cross-layer optimisation.” Mannheim University of Applied Sciences, 27 October 2005.

     

  • M. Haardt, V. Stankovic, G. Del Galdo, and M. Fuchs, “Transmit processing for multi-user MIMO systems.” European Conference on Wireless Technology (ECWT 2005), October 2005, keynote presentation.

     

  • M. Haardt and A. Alexiou, “WWRF White Paper on Smart Antennas, MIMO Systems, and Related Technologies.” 14th Meeting of the Wireless World Research Forum (WWRF), 7 July 2005, San Diego, CA.

     

  • M. Haardt, M. Fuchs, and H. Henry, “Multi-user scheduling for the downlink of MIMO systems with SDMA.” DFG Colloquium, “Techniques, Algorithms and Concepts for Future COFDM Systems (TakeOFDM)”, 16 February 2005, Karlsruhe, Germany.

     

 

2004

  • M. Haardt, “Transmit processing in multi-user MIMO systems.” State University of New York (SUNY) at Buffalo, Department of Electrical Engineering, 8 November 2004, Buffalo, NY, USA.

     

  • M. Haardt and A. Alexiou, “WWRF White Paper on Smart Antennas and Related Technologies – Part 1: Benefits, Channel Modelling, and Multi-User MIMO Transmit Processing.” 11th Meeting of the Wireless World Research Forum (WWRF), 10 June 2004, Oslo, Norway.

     

  • A. Alexiou and M. Haardt, “WWRF White Paper on Smart Antennas and Related Technologies – Part 2: Optimisation Strategies and Deployment Issues for Next-Generation Wireless Systems.” 11th Meeting of the Wireless World Research Forum (WWRF), 10 June 2004, Oslo, Norway.

     

  • D. Falconer (organiser and chair), M. Haardt, B. Hunt, S. Kaiser, and B. Walke, “WWRF WG 4 Panel Discussion on 4G Wireless.” 11th Meeting of the Wireless World Research Forum (WWRF), 11 June 2004, Oslo, Norway.

     

  • H. Henry, “Performance of coherent receivers for a pulsed multiband UWB transceiver.” Ilmenau International Seminar Series on Communications and Signal Processing organised by the Institute for Information Technology (InIT), 21 July 2004, Ilmenau, Germany.

     

  • M. Haardt, “Robust transmit processing for multi-user MIMO systems.” Stanford University, Special Workshop on Smart Antennas, 30 July 2004, Palo Alto, CA, USA.

     

  • V. Stankovic, “OFDM system synchronisation over fast fading channels.” Ilmenau International Seminar Series on Communications and Signal Processing organised by the Institute for Information Technology (InIT), 2 February 2004, Ilmenau, Germany.

     

  • M. Haardt and Q. Spencer, “Efficient zero-forcing techniques for downlink spatial multiplexing in multi-user MIMO systems.” Technical University of Munich, Seminar Series on Circuit Theory and Signal Processing, 19 January 2004, Munich, Germany.

     

 

2003

  • M. Haardt et al., “Smart Antennas – System Aspects and Signal Processing.” Short Course, Carl-Cranz-Gesellschaft, Oberpfaffenhofen, Germany, 17–21 November 2003.

     

  • M. Haardt, “Zero-forcing algorithms for spatial multiple access in the downlink of multi-user MIMO systems.” BMBF Space-Time Workshop, 3 June 2003, Berlin, Germany.

     

  • M. Haardt, “Efficient zero-forcing algorithms for downlink spatial multiplexing in multi-user MIMO systems.” University of Duisburg-Essen, Smart Antenna Research Team, 6 October 2003, Duisburg, Germany.

     

  • M. Hennhöfer, “Intelligent Antennas and MIMO Concepts for Future Mobile Communication Systems.” Bayern Innovativ Cooperation Forum “Mobile Communication: Trends, Systems, Technologies”, 5 February 2003.

     

 

2002

  • M. Haardt, “Smart antennas and multi-user MIMO concepts for wireless communication systems.” Stanford University, Smart Antenna Research Group, 8 November 2002, Palo Alto, CA, USA.

     

  • G. Del Galdo, “Efficient beamforming in MIMO systems via subspace analysis of multidimensional channel-sounding measurements.” Ilmenau International Seminar Series on Communications and Signal Processing of the Institute for Information Technology (InIT), 8 May 2002, Ilmenau, Germany.

     

  • M. Haardt (organiser and chair), H. Boche, A. F. Molisch, T. Matsumoto, B. Ottersten, A. Paulraj, and R. Valenzuela, “MIMO systems and smart antennas.” Panel session, International Symposium on Wireless Personal Multimedia Communications (WPMC 2002), 29 October 2002, Honolulu, HI, USA.

     

  • M. Haardt, “Focus on Mobile Communications – Internationalisation in Research and Teaching.” Thuringian Mobile Communications Day, TU Ilmenau, 1 October 2002, Ilmenau, Germany.

     

  • M. Haardt, “Communications and Measurement Technology.” Electrical Engineering and Information Technology Day, TU Ilmenau, 28 September 2002, Ilmenau, Germany.

     

  • M. Haardt, “Smart Antennas for Wireless Communications Beyond the Third Generation.” Infineon Technologies AG, 30 August 2002, Munich, Germany.

     

  • M. Haardt and A. Alexiou, “WWRF White Paper on Smart Antennas and Related Technologies (SMART).” Sixth Meeting of the Wireless World Research Forum (WWRF), 25 June 2002, London, UK.

     

  • Q. H. Spencer, “Capacity and downlink beamforming algorithms for a multi-user MIMO channel.” Ilmenau International Seminar Series on Communications and Signal Processing of the Institute for Information Technology (InIT), 21 June 2002, Ilmenau, Germany.

     

  • M. Haardt, “Smart antennas for mobile communications beyond the third generation.” Samsung Electronics Corporation, Suwon, Korea, 29 May 2002.

     

  • M. Haardt, “Smart antennas for mobile communications beyond the third generation.” 4th Smart Antenna Workshop for IMT-2000, Hanyang University, Seoul, Korea, 28 May 2002.

     

  • M. Haardt, “Smart antennas for mobile communications beyond the third generation.” Hantel Corporation, Seoul, Korea, 27 May 2002.

     

  • M. Haardt, “Smart antennas for mobile communications beyond the third generation.” Hanyang University, Seoul, Korea, 27 May 2002.

     

  • M. Haardt and R. Thomä, “The future of wireless communications beyond the third generation.” Brigham Young University, Provo, UT, 14 March 2002.

     

2001

  • M. Milojevic, "Overview of third-generation mobile communications." Ilmenau International Seminar Series on Communications and Signal Processing organised by the Institute for Information Technology (InIT), 22 November 2001, Ilmenau, Germany.

     

  • M. Haardt et al., “Smart Antennas – System Aspects and Signal Processing.” Short Course, Carl Cranz Society, Oberpfaffenhofen, Germany, 12–16 November 2001.

     

  • M. Haardt, “Smart antennas for wireless communications.” IEEE / IEEE International Symposium on Telecommunications (IST 2001), keynote presentation, 3 September 2001, Tehran, Iran.

     

  • M. Haardt, “The future of mobile communications after the 3rd generation: visions and research priorities.” Ilmenau University of Technology, 14 June 2001, Ilmenau, Germany.

     

  • M. Haardt, N. Geng, L. Herault, R. Tafazolli, and W. Utschick, “WWRF Research Item: Smart Antennas. Second Meeting of the Wireless World Research Forum (WWRF)”, 10 May 2001, Helsinki, Finland.

     

  • M. Haardt, “Signal processing challenges for future mobile communication systems.” University of Southern California, 3 May 2001, Los Angeles, CA, USA.

     

  • M. Haardt, H. Boche, and G. Wunder, “The future of mobile communications beyond the third generation.” 30th Annual IEEE Communication Theory Workshop, 30 April 2001, Borrego Springs, CA, USA.

     

  • M. Haardt, “Innovating the mobile world beyond the third generation.” Hamburg-Harburg University of Technology, 25 April 2001, Hamburg, Germany.

     

  • M. Haardt, C. F. Mecklenbräuker, and M. Vollmer, “Efficient joint space-time processing for UTRA TDD.” ITG Discussion Session: Systems with Smart Antennas, 16 March 2001, Ilmenau, Germany.

     

  • M. Haardt, “Objectives of the Wireless World Research Forum (WWRF).” Kick-off meeting of the Wireless World Research Forum (WWRF), 6 March 2001, Munich, Germany.

     

  • M. Haardt, “The future of wireless communications.” Berlin University of Technology, Berlin, Germany, 7 February 2001, Colloquium “Digital Mobile Communication”.

     

  • M. Haardt, “Signal processing challenges for future mobile communication systems.” Technical University of Munich, Munich, Germany, 24 January 2001, Signal Processing and Circuit Theory Seminar Series.