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This paper focuses on the signal processing algorithm for the downlink of Multi-User Multiple-Input Multiple-Output (MU-MIMO). In this paper, a novel transmission scheme is proposed for the cancellation of IUI (Inter-User Interference) in MU-MIMO downlinks. Compared with the conventional DPC with single receive antenna, the users in the proposed scheme are equipped with multiple receive antennas,...
In this paper, we propose a novel method of Cholesky factorization based on the minimum mean square error (MMSE) criterion for Tomlinson-Harashima precoding (THP), which is applied to the downlink of multiuser multiple-input multiple-output (MU-MIMO) system with single mobile antenna equipped for each user. The proposed scheme is also applicable to the MU-MIMO system with multiple mobile antennas...
In this paper, we propose a new resource allocation scheme that enhances a diversity effect with taking into account a proportional fairness (PF) in downlink MIMO-OFDMA-CDM (multiple input multiple output - orthogonal frequency division multiple access - code division multiplexing) systems. In the proposed scheme, spectral resources are allocated per subcarrier unit and full code-spreading is done...
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