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A reduced complexity Maximum-Likelihood (ML) detection algorithm is proposed for the multiple-input multiple-output orthogonal frequency division multiple (MIMO-OFDM) systems. The proposed detection algorithm combines the ML algorithm and the QR algorithm. In the detection process, the first T signals are detected by the ML algorithm and the last Nt-T signals are detected by QR algorithm where T is...
An effective signal detection algorithm with low complexity is presented for MIMO-OFDM systems. The proposed technique combines a dynamic QR decomposition based M-Algorithm (QRDM) and Zero-Forcing (ZF) detection. In the systems, QRDM is executed for the first layers, ZF detection is used for the last layers, where means the number of transmitter antennas. Compared with the conventional QRDM algorithm,...
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