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In order to further decrease the detection complexity, a joint detection method based on both zero forcing and sphere decoding is proposed. When the signal-to-noise ratio is high enough, such detector results in zero forcing detection, otherwise it subtracts the decoded signals from the receiving signal and then decodes them by sphere decoding algorithm. In the multiple input multiple output LAS-CDMA...
Many powerful data detection algorithms employed in multiple-input multiple-output (MIMO) communication systems, such as sphere decoding (SD) and lattice-reduction (LR)-aided detection, were initially designed for infinite lattices. Detection in MIMO systems is, however, based on finite lattices. In this paper, we systematically study the consequences of finite lattice-size for the performance and...
Loosely-synchronized code division multiple access (LS-CDMA) technology is an excellent CDMA technology and very suitable to be applied in the future wireless communication systems. When the multiple input multiple output (MIMO) technique is integrated, better performance and system capacity can be achieved. But the computational complexity of classical detection algorithm based on exhaustive searching,...
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