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Block diagonalization (BD) is a famous conditional precoding algorithm in multi-input multi-output (MIMO) broadcast systems, vector perturbation (VP) and BD are combined which named as BD-VP for short and the receivers' complexity can be reduced by VP at the transmmiter. Furthermore, the performance of BD-VP in diversity is comparable because the maximum likehood (ML) method is involved. However,...
In this paper, a group pre-coding scheme is proposed for multimedia broadcast multicast service (MBMS) downlink transmission in distributed multiple input multiple output (D-MIMO) antenna system. The ideal channel state information (CSI) is assumed to know at both transmitters and receivers. In order to evaluate the performance of the group pre-coding, the average symbol error rate (SER) of the Block...
In this paper, we present the link level performance of SC-FDMA with SDMA (Space Division Multiple Access), real channel estimation and low complexity frequency-domain turbo equalization. We give the implementation of the minimum-mean-squared-error based turbo equalization which is suitable for DFT-S-OFDM based SDMA systems. The block error rate performance of SC-FDMA and OFDMA with SDMA and turbo...
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