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Sum-Rate Optimization for the MIMO IC under Imperfect CSI: a Deterministic Equivalent Approach

Abstract : 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.
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Contributor : Catherine Magnet <>
Submitted on : Monday, October 29, 2012 - 3:46:25 PM
Last modification on : Saturday, April 11, 2020 - 6:38:03 PM

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M. Rezaee, Romain Couillet, M. Guillaud, G. Matz. Sum-Rate Optimization for the MIMO IC under Imperfect CSI: a Deterministic Equivalent Approach. 2012 IEEE 13th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Jun 2012, Cesme, Turkey. ⟨10.1109/SPAWC.2012.6292905⟩. ⟨hal-00746738⟩

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