Abstract
We focus on multiuser space-time block codes (STBCs) for a 2times2 multiple-input-multiple-output (MIMO) uplink transmission. Based on full-diversity algebraic rotations, we propose a family of multiuser STBCs constructed to minimize a truncated union-bound (UB) approximation. The proposed codes do not incur in any peak-to-average penalty and outperform all previously known multiuser STBCs.
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