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In this work, we propose a minimum mean squared error (MMSE) robust base station (BS) precoding strategy based on switched relaying (SR) processing and limited transmission of side information for interference suppression in the downlink of multiuser multiple-input multiple-output (MIMO) relay systems. The BS and the MIMO relay station (RS) are both equipped with a codebook of interleaving matrices...
Based on a multi-branch (MB) strategy, a new Tomlinson-Harashima precoding (THP) structure is proposed for single-user multiple-input multiple-output (SU-MIMO) systems, which offers a significant performance improvement compared to the conventional THP reported in the literature. The parallelized multiple branch signals are generated at the transmit side according to the pre-designed transmit patterns...
In this work we propose novel decision feedback (DF) detection algorithms with error propagation mitigation capabilities for multi-input multi-output (MIMO) spatial multiplexing systems based on multiple processing branches. The novel strategies for detection exploit different patterns, orderings and constraints for the design of the feedforward and feedback filters. We present constrained minimum...
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