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M. Rezaeekheirabadi, R. Couillet, M. Guillaud, G. Matz:
"Sum-Rate Optimization for the MIMO IC under Imperfect CSI: a Deterministic Equivalent Approach";
Poster: IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Çeşme, Turkey; 17.06.2012 - 20.06.2012; in: "Proc. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)", (2012), 5 S.

A new method is proposed to determine precoding
matrices that achieve local maxima of the expected sum rate in
a multiple input multiple output interference channel (MIMO
IC), in the realistic scenario where only partial channel state
information (CSI) is available at the transmitters. Relying on
a random matrix analysis of the capacity of large dimensional
Ricean channels introduced in [1], the expected sum rate of the
K-user MIMO IC is approximated by a deterministic equivalent
to which an iterative gradient scheme is applied to find local
maxima of the approximated sum rate.

sum-rate optimization

http://publik.tuwien.ac.at/files/PubDat_209430.pdf