Vassilis Kekatos, Dr.
 SPINCOM Lab,
Dept. of Electrical and Computer Engineering,
University of Minnesota.
Address: 117 Pleasant Str SE
Walter Library, Rm #427
Minneapolis,
MN-55455.
Tel: +(1) 612-624-7425,
E-mail: kekatos at umn dot edu



  • Born in Athens, Greece in 1978.



  • Diploma degree in Computer Engineering & Informatics,  University of Patras, Greece, October 2001.
  • M.A.Sc in Signal and Image Processing, University of Patras, Greece, October 2003.
  • Ph.D. in Signal Processing for Wireless Communications, University of Patras, Greece, supervised by Prof. Kostas Berberidis, July 2007.
  • Marie Curie Fellow - Postdoctoral Researcher in SPINCOM lab, Dept. of Electrical and Computer Engineering, University of Minnesota, USA, supervised by Prof. Georgios B. Giannakis.



  • Estimation exploiting Sparsity
  • Channel Equalization in MIMO systems
  • Adaptive Algorithms



Journal Papers

  1. A. Lalos, V. Kekatos, K. Berberidis, "Adaptive Conjugate Gradient DFEs for Wideband MIMO Systems," IEEE Trans. on Signal Processing, Vol. 57, No. 6, pp. 2406-2412, June 2009. (pdf)*

  2. V. Kekatos, A. A. Rontogiannis, K. Berberidis, "Cholesky Factorization-Based Adaptive BLAST DFE for Wideband MIMO Channels," EURASIP Journal on Advances in Signal Processing, Vol. 2007, Art. ID 45789, pp. 1-11. (pdf)

  3. A. Rontogiannis, V. Kekatos, K. Berberidis," A Square-Root Adaptive V-BLAST Algorithm for Fast Time-Varying MIMO Channels," IEEE Signal Processing Letters, Vol. 13, No. 5, pp. 265-268, May 2006. (pdf)*

  4. V. Kekatos, A. A. Rontogiannis, K. Berberidis, "A Robust Parametric Technique for Multipath Channel Estimation in the Uplink of a DS-CDMA System," EURASIP Journal on Wireless Communications and Networking, Vol. 2006, Art. ID 47938, pp. 1-12. (pdf)



Conference Papers

  1. V. Kekatos, D. Angelosante, G.B. Giannakis, "Sparsity-Aware Estimation of Nonlinear Volterra Kernels," in Proc. IEEE Workshop on Comp. Adv. in Multi-Sensor Adaptive Proc. (CAMSAP), December 2009, Aruba, Dutch Antilles. (pdf)*

  2. V. Kekatos, A. Lalos, K. Berberidis, "Adaptive Conjugate Gradient DFEs for Wideband MIMO Systems using Galerkin Projections," in Proc. IEEE Vehicular Technology Conf. (VTC), October 2007, Baltimore, MD, USA. (pdf)*

  3. V. Kekatos, K. Berberidis, A.A. Rontogiannis, "A Block Adaptive Frequency Domain MIMO DFE for Wideband Channels," in Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP), April 2007, Honolulu, Hawaii, USA. (pdf)*

  4. A.A. Rontogiannis, V. Kekatos, K. Berberidis, "An Adaptive Decision Feedback Equalizer for Time-Varying Frequency Selective MIMO Channels," in Proc. IEEE Int. Workshop on Signal Processing Advances in Wireless Communications (SPAWC), July 2006, Cannes. (pdf)*

  5. A.A. Rontogiannis, V. Kekatos, K. Berberidis, "A Square-Root Adaptive V-BLAST Algorithm for Fast Time-Varying MIMO Channels," in Proc. IEEE Int. Conf. on Communications (ICC), June 2006, Istanbul, Turkey. pp. 3135 - 3139. (pdf)*

  6. V. Kekatos, A.A. Rontogiannis, K. Berberidis, "A Robust Method for Estimating Multipath Channel Parameters in the Uplink of a DS-CDMA System", in Proc. IEEE Vehicular Technology Conf. (VTC), June 2005, Stockholm, Sweeden, pp. 3127 - 3131. (pdf)*

*© 2005-2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

Last updated:  30 Oct 2009

 


The views and opinions expressed in this page are strictly those of the page author.
The contents of this page have not been reviewed or approved by the University of Minnesota.