Our MIMO research focuses on the treatment of imperfect channel information and a possible realization of UEP properties just as in the case of multicarrier transmission.  We consider multi-user bit loading, multi-user hierarchical modulation, LDPC coded hierarchical modulation.

  • Workshops

    Hassan, Khaled; Henkel, Werner

    Unequal Error Protection Bit Loading in MIMO OFDM Workshop

    Sitzung der ITG-Fachgruppe "Angewandte Informationstheorie", University of Bremen, 2006.

    BibTeX

    Ph.D. Theses

    Wakeel, Abdul

    Peak-to-Average Ratio Reduction for MIMO and Multi-user OFDM Systems Ph.D. Thesis

    Jacobs University Bremen, 2016.

    Links | BibTeX

    In Proceedings

    Wakeel, Abdul; Henkel, Werner

    Least-Squares Iterative Peak-to-Average Ratio Reduction for MIMO-OFDM Systems In Proceeding

    IEEE Globecom 2014 - Wireless Communications Symposium, Austin, TX, USA, 2014.

    Links | BibTeX

    Wakeel, Abdul; Henkel, Werner

    Least-Squares Iterative PAR Reduction for Point-to-Point Large-Scale MIMO-OFDM Systems In Proceeding

    IEEE International Conference on Communications, ICC 2014 Sydney, Australia, 2014.

    Abstract | Links | BibTeX

    Saaifan, Khodr; Henkel, Werner

    A Receiver Design for MIMO Systems over Rayleigh Fading Channels with Correlated Impulse Noise In Proceeding

    IEEE Globecom 2012, Anaheim, CA, USA, 2012.

    Links | BibTeX

    Hassan, Khaled; Saaifan, Khodr; Henkel, Werner

    Prioritized Adaptive Modulation for MIMO-OFDM Using Pre-Ordered SIC In Proceeding

    2012 IEEE 76th Vehicular Technology Conference (VTC2012-Fall), Québec City, Canada, 2012.

    Links | BibTeX

    Wakeel, Abdul; Henkel, Werner; Taseska, Maja

    Peak-to-Average Ratio Reduction with Tone Reservation in Multi-User and MIMO OFDM In Proceeding

    First IEEE International Conference on Communications in China (ICCC 12), Beijing, China, 2012.

    Links | BibTeX

    Hassan, Khaled; Filip, Alexandra; Henkel, Werner

    Adaptive Multiuser MIMO-OFDM QoS-Based Scheduler Using Virtual Channel State Information In Proceeding

    First IEEE International Conference on Communications in China (ICCC 12), Beijing, China, 2012.

    Links | BibTeX

    Hassan, Khaled; Filip, Alexandra; Henkel, Werner

    Dynamic User Scheduling in Non-Orthogonal Multiuser MIMO-OFDM In Proceeding

    16th International OFDM Workshop 2011, Hamburg, Germany, 2011.

    Links | BibTeX

    Henkel, Werner

    RS Codes, OFDM, and MIMO In Proceeding

    15th International OFDM Workshop 2010, Hamburg, Germany, 2010.

    Links | BibTeX

    Hassan, Khaled; Henkel, Werner

    "Prioritized Multiuser Transmission Using Virtual Diagonalization and Weighted Sum-MSE In Proceeding

    15th International OFDM Workshop 2010, Hamburg, Germany, 2010.

    Links | BibTeX

    Hassan, Khaled; Henkel, Werner

    Prioritized Multi-layer Transmission for MIMO-OFDM Multiuser Broadcast Channel In Proceeding

    14th International OFDM Workshop 2009, Hamburg, Germany, 2009.

    Links | BibTeX

    Hassan, Khaled; Henkel, Werner; Sidhu, Guftaar

    Multiuser MIMO-OFDMA with Different QoS Using a Prioritized Channel Adaptive Technique In Proceeding

    ICC 2009, 2nd International Workshop on Multiple Access Communications, Dresden, Germany, 2009.

    Links | BibTeX

    Hassan, Khaled; Henkel, Werner

    UEP with Adaptive Multilevel Embedded Modulation for MIMO-OFDM Systems In Proceeding

    OFDM-Workshop 2008, Hamburg, Germany, 2008.

    Links | BibTeX

    Hassan, Khaled; Henkel, Werner

    UEP MIMO-OFDM with Beamforming-Combining for Imperfect Channel Information In Proceeding

    OFDM-Workshop, Hamburg, Germany, 2007, (Note: corrected version and presentation available for download).

    Links | BibTeX

    Hassan, Khaled; Henkel, Werner

    UEP with Eigen Beamforming for Partial Channel Information MIMO-OFDM In Proceeding

    2007 IEEE Sarnoff Symposium, Princeton, NJ, USA, 2007.

    Links | BibTeX

    Tauböck, Georg; Henkel, Werner

    MIMO Systems in the Subscriber-Line Network In Proceeding

    5th International OFDM Workshop 2000, Hamburg, Germany, 2000.

    Links | BibTeX