J. Hahn, M. Meurer, P. W. Baier and W. Zirwas, ''Low complexity energy efficient transmission in MIMO systems: Potentials and limits'', in Proceedings of International ITG / IEEE Workshop on Smart Antennas (WSA'06), Ulm, March 2006, p. n/a.

T. Weber, A. Sklavos and M. Meurer, ''Imperfect channel-state information in MIMO transmission'', IEEE Transactions on Communications, vol. 54, no. 3, pp. 543-552, March 2006.

J. Hahn, M. Meurer, P. W. Baier and W. Zirwas, ''Spectrum and energy efficient MIMO OFDM multi-user downlinks for B3G and 4G mobile radio systems'', in Proceedings of 13th International Conference on Telecommunications (ICT'06), Funchal, May 2006, p. n/a.

J. Hahn, M. Meurer, P. W. Baier and W. Zirwas, ''Spread-spectrum based low-cost provision of downlink channel state information to the access points of FDD OFDM mobile radio systems'', in Proceedings of IEEE 9th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA'06), Manaus, August 2006, pp. 10-15.

P. W. Baier, F. Keskin, J. Hahn and M. Meurer, ''Spatial spreading by multi-transmit antennas allows high spectrum efficiency and low required transmit energy in multi-user mobile radio downlinks (invited paper)'', in Proceedings of IEEE 9th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA'06), Manaus, August 2006, pp. 498-504.