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In this paper, to compromise between the diversity gain and the multiple access interference (MAI), we propose a selection tree to choose a suitable combining scheme for 2-D spreading orthogonal frequency coded division multiplexing (OFCDM) communication system. Simulation results show that the proposed selection tree adaptive combining (STAC) scheme can not only suppress the MAIs induced by the non-orthogonality...
In this paper, we investigate the multiuser performance in a 2-D spreading orthogonal frequency coded division multiplexing (OFCDM) communication system over frequency and time selective fading channels. To compromise between the diversity gain and the multiple access interference (MAI), we propose an adaptive fuzzy logic to infer adequate 2-D spreading codes and to assign the OVSF codes to active...
In this paper, we investigate the multiuser performance in a 2-D spreading orthogonal frequency coded division multiplexing (OFCDM) communication system over frequency and time selective fading channels. To compromise between the diversity gain and the multiple access interference (MAI), we propose an adaptive fuzzy logic to infer adequate 2-D spreading codes and to assign the orthogonal variable...
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