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A robust transmitter design for MIMO multicarrier systems with imperfect channel estimates

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3 Author(s)
F. Rey ; Dept. of Signal Theor. & Commun., Univ. Politecnica de Catalunya, Barcelona, Spain ; M. Lamarca ; G. Vazquez

The paper proposes an algorithm that allocates the available power among all subcarriers and subchannels in an OFDM MIMO system under a minimum BER criterion. The design, robust to channel estimation errors, takes into account the different reliability of CSI estimates at both ends of the transmitter link. The obtained algorithm accepts different transmission rates, so it can use spatial diversity to improve channel reliability or to increase transmission rate.

Published in:

Signal Processing Advances in Wireless Communications, 2003. SPAWC 2003. 4th IEEE Workshop on

Date of Conference:

15-18 June 2003