Iterative receiver design for MIMO systems with improper signal constellations

Authors:
Pei Xiao;Mathini Sellathurai
Affiliations:
The Institute of Electronics, Communications and Information Technology, Queen's University Belfast, United Kingdom;The Institute of Electronics, Communications and Information Technology, Queen's University Belfast, United Kingdom
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

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Abstract

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 both simulation and analytical results.