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This paper proposes a space-time-frequency coding scheme for MIMO-OFDM that achieves full rate for an arbitrary number of antennas with complex-valued information symbols. In addition, the proposed scheme provides a very high level of diversity with relatively low complexity. In the new scheme, the spatial and frequency spreading is followed by a temporal spreading that facilitates simple separation of the respective signals sent by the various transmit antennas. This temporal spreading enablesdoi:10.1109/icassp.2010.5496289 dblp:conf/icassp/Al-MahmoudZ10 fatcat:6s77an4fcjh2tamvshso53gdau