Precoding for the Sparsely Spread MC-CDMA Downlink With Discrete-Alphabet Inputs
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DOI: 10.1109/tvt.2016.2551726
Abstract: Sparse signatures have been proposed for the code-division multiple-access (CDMA) uplink to reduce multiuser detection complexity, but they have not yet been fully exploited for its downlink counterpart. In this paper, we propose multicarrier CDMA… read more here.
Keywords: sparse signatures; downlink; cdma; downlink discrete ... See more keywords