Thomas Zemen

Key Researcher, Area Manager - Signal and Information Processing

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Thomas Zemen

Post address:
Dr.techn. Thomas Zemen
ftw. Forschungszentrum Telekommunikation Wien
Donau-City-Straße 1
1220 Vienna
Austria


Phone : +43 1 5052830 81
Mobile: +43 664 8269874
E-mail: thomas.zemen(at)ftw.at

 

Projects

NFN SISE - National Research Network: Signal and Information Processing in Science and Engineering

COCOMINT - Cooperative Communications for Traffic Telematics

I-0 - Signal and Information Processing

Lectures

Cooperative Communications (389.121), course at Vienna University of Technology, summer term 2010.

Old course lecture notes: MIMO Communications (2007/2008).

Wireless Channel Measurements

MIMO and vehicular channel measurements - joint measurement campaign with Lund University, Vienna University of Technology, and ftw Forschungszentrum Telekommunikation Wien

Publications (ftw. database)

Book Chapters

  • Multi-user MIMO receiver processing for time-varying channels
    C. Dumard, J. Jalden, T. Zemen, in Wireless Communications over Rapidly Time-Varying Channels, Eds. F. Hlawatsch and G. Matz, Academic Press, 2010, in preparation.
  • Wireless Access in Vehicular Environments
    L. Bernadó, K. Sjöberg, E. Uhlemann and T. Zemen, in COST2100 Book, Section 15.6, 2010, in preparation.
  • Multiuser MIMO channel equalization
    C. F. Mecklenbräuker, J. Wehinger, T. Zemen, H. Artés, and F. Hlawatsch, in Smart Antennas---State of the Art, Eds. T. Kaiser, A. Bourdoux, H. Boche, J. R. Fonollosa, J. Bach Andersen, W. Utschick, Section 1.4, EURASIP Book Series on Signal Processing and Communications, New York (NY): Hindawi, 2006, pp. 53--76.

Journal Papers

Conference Papers, Workshop Papers and Contributions to European Research Initiatives

2010

  • Complexity reduction for vehicular channel estimation using the filter-divergence measure
    L. Bernadó, T. Zemen, A. Paier, and K. Karedal, in 44th Asilomar Conference on Signals, Systems and Computers, Pacific Grove (CA), USA, Nov. 7-10, 2010, to be presented.
  • On the use of mismatched Wiener filtering for the characterization of non-stationary channels
    A. Ispas, L. Bernadó, M. Dörpinghaus, G. Ascheid, and T. Zemen, in 44th Asilomar Conference on Signals, Systems and Computers, Pacific Grove (CA), USA, Nov. 7-10, 2010, to be presented.
  • Time-, frequency-, and space-varying K-factor analysis of V2V street crossing radio channels
    L. Bernadó, T. Zemen, J. Karedal, A. Paier, A. Thiel, O. Klemp, N. Czink, F. Tufvesson, A. F. Molisch and C. F. Mecklenbräuker, in 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Istanbul, Turkey, September 26-30, 2010, to be presented.
  • Temporal Evolution of Channel Capacity in Vehicular MIMO Channels in the 5 GHz Band
    A. Alonso, C. F. Mecklenbräuker, A. Paier, T. Zemen, N. Czink, F. Tufvesson, in XX URSI Commission B International Symposium on Electromagnetic Theory (EMT-S 2010), Berlin, Germany, August 16-19, 2010. [BIB]
  • Physical Layer Simulation Results for IEEE 802.11p using Vehicular non-Stationary Channel Mode
    L. Bernadó, T. Zemen, N. Czink and P. Belanovic, temporary document TD(10)11029 presented at COST 2100 Meeting, Aalborg, Denmark, June 2-4, 2010.
  • Impact of fading statistics on partner selection in indoor-to-outdoor cooperative networks
    P. Castiglione, S. Savazzi, M. Nicoli and T. Zemen, in IEEE International Conference on Communications (ICC), Cape Town, South Africa, May 23-27, 2010. [BIB]
  • Physical layer simulation results for IEEE 802.11p using vehicular non-stationary channel model
    L. Bernadó, N. Czink, T. Zemen and P. Belanovic, in IEEE International Conference on Communications (ICC) Workshop on Vehicular Connectivity, Cape Town, South Africa, May 23-27, 2010.
  • Capacity evaluation of measured vehicle-to-vehicle radio channels at 5.2 GHz
    A. Alonso, A. Paier, T. Zemen, N. Czink, and F. Tufvesson, in IEEE International Conference on Communications (ICC) Workshop on Vehicular Connectivity, Cape Town, South Africa, May 23-27, 2010.
  • Low-complexity geometry-based modeling of diffuse scattering
    N. Czink, F. Kaltenberger, Y. Zhou, L. Bernadó, T. Zemen and X. Yin, in European Conference on Antennas and Propagation (EuCAP), Barcelona, Spain, April 12-16, 2010.
  • IEEE 802.11p Transmission Using GNURadio
    P. Fuxjäger, A. Costantini, D. Valerio, P. Castiglione, T. Zemen, F. Ricciato, in 6th Karlsruhe Workshop on Software Radios (WSR10), Karlsruhe, Germany, March 3-4, 2010, to be presented. Also to be presented at 2010 European Reconfigurable Radio Technologies Workshop (ERRT), Mainz, Germany, June 23-25, 2010.
  • Multi-dimensional K-factor analysis for V2V radio channels in open sub-urban street crossings
    L. Bernadó, T. Zemen, J. Karedal, A. Paier, A. Thiel, O. Klemp, N. Czink, F. Tufvesson, A. F. Molisch, C. F. Mecklenbräuker, temporary document TD(10)10015 presented at COST 2100 Meeting, Athens, Greece, Feb. 3-5, 2010.

2009

2008

  • On the temporal evolution of signal subspaces in vehicular MIMO channels in the 5GHz band
    C. F. Mecklenbräuker, A. Paier, T. Zemen, G. Matz and A. F. Molisch, in Joint Workshop on Coding and Communications (JWCC 2008), Napa Valley, California, USA, Oct. 26-28, 2008, invited.
  • Description of vehicle-to-vehicle and vehicle-to-infrastructure radio channel measurements at 5.2 GHz
    A. Paier, J. Karedal, T. Zemen, N. Czink, C. Dumard, F. Tufvesson, C. F. Mecklenbräuker and A. Molisch, temporary document (08) 636 presented at COST 2100 Meeting, Lille, France, Oct. 6-8, 2008.
  • Characterization of MU-MIMO channels using the spectral divergence measure
    F. Kaltenberger, L, Bernadó and T. Zemen, temporary document (08)640 presented at COST 2100 Meeting, Lille, France, Oct. 6-8, 2008.
  • On the temporal evolution of signal subspaces in vehicular MIMO channels in the 5 GHz band
    C. F. Mecklenbräuker, A. Paier, T. Zemen, G. Matz and A. Molisch, temporary document (08)631 presented at COST 2100 Meeting, Lille, France, Oct. 6-8, 2008.
  • Soft sphere decoder for an iterative receiver in time-varying MIMO channels
    C. Dumard, J. Jalden and T. Zemen, in 16th European Signal Processing Conference (EUSIPCO), Lausanne, Switzerland, Aug. 25-29, 2008, invited.
  • Non-WSSUS vehicular channel characterization at 5.2 GHz - spectral divergence and time-variant coherence parameters
    L. Bernado, T. Zemen, A. Paier, G. Matz, J. Karedal, N. Czink, C. Dumard, F. Tufvesson, M. Hagenauer, A. F. Molisch, C. F. Mecklenbräuker, in XXIX General Assembly of the International Union of Radio Science (URSI), Chicago, Illinois, USA, August 7-16, 2008, invited.
  • Measurement-based time-variant MIMO channel modelling using clusters
    N. Czink, E. Bonek, J. Ylitalo, T. Zemen, in XXIX General Assembly of the International Union of Radio Science (URSI), Chicago, Illinois, USA, August 7-16, 2008.
  • UMTS on the road: Broadcasting intelligent road safety information via MBMS
    D. Valerio, F. Ricciato, P. Belanovic and T. Zemen, in 67th IEEE Vehicular Technology Conference (VTC2008-Spring), Marina Bay, Singapore, May 11–14, 2008.
  • Non-WSSUS vehicular channel characterization in highway and urban scenarios at 5.2 GHz using the local scattering function
    A. Paier, T. Zemen, L. Bernado, G. Matz, J. Karedal, N. Czink, C. Dumard, F. Tufvesson, and A. F. Molisch, C. F. Mecklenbräuker, in Workshop on Smart Antennas (WSA), Darmstadt, Germany, Feb. 26-27, 2008. [BIB]
  • Comparison of Lund'07 vehicular channel measurements with the IEEE 802.11p channel model
    A. Paier, J. Karedal, N. Czink, C. Dumard, T. Zemen, F. Tufvesson, C. Mecklenbräuker, and A.F. Molisch, temporary document (08) 436 presented at COST 2100 Meeting, Wroclaw, Poland, Feb. 6-8, 2008.
  • Measurement-based time-variant channel modelling using clusters
    N. Czink, E. Bonek, J. Ylitalo and T. Zemen, temporary document (08) 435 presented at COST 2100 Meeting, Wroclaw, Poland, Feb. 6-8, 2008.

2007

2006

2005

2004

2003

1998

 

Theses
Co-Authors
       

(Co-) Supervision of Master Thesis at ftw.

  • H. Somasegaran, Channel Estimation and Prediction in UMTS LTE, Master Thesis, Aalborg University, Aalborg, Denmark, 2006, jointly with B. H. Fleury.
  • P. Castiglione, Cooperative communications over time-variant channels, Master Thesis, Politecnico di Milano, Milano, Italy, 2007, jointly with M. Nicoli.
       

(Co-) Supervision of Doctoral Thesis at ftw.

  • P. Castiglione, Doctrol Thesis in progress, Vienna University of Technology, Vienn, Austri, jointly with G. Matz and M. Nicoli.
  • L. Bernado, Doctrol Thesis in progress, Vienna University of Technology, Vienn, Austria, jointly with C. Mecklenbräuker.
  • C. Dumard, Low-Complexity Receivers for a Multi-User OFDM System in Time-Varying MIMO Channels, Doctrol Thesis, Vienna University of Technology, Vienna, Austria, 2009, jointly with G. Matz.
  • F. Kaltenberger, Low-Complexity Real-Time Signal Processing for Wireless Communications, Doctoral Thesis, Vienna University of Technology, Vienna, Austria, 2007, jointly with C. Überhuber.
  • N. Czink, The Random-Cluster Model — A Stochastic MIMO Channel Model for Broadband Communication Systems of the 3rd Generation and Beyond, Doctoral Thesis, Vienna University of Technoloy, Vienna, Austria 2007, jointly with E. Bonek.
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