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In this paper, we propose a novel iterative receiver strategy for uncoded multiple-input, multiple-output (MIMO) systems employing improper signal constellations. The proposed scheme is shown to achieve superior performance and faster convergence without the loss of spectrum efficiency compared to the conventional iterative receivers. The superiority of this novel approach over conventional solutions is verified by the simulation results.doi:10.1109/icc.2009.5199106 dblp:conf/icc/XiaoS09 fatcat:3zej3gqxxffvxdii4udx5jhv2u