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Table 1 Relative coding gains of SM using 4-QAM compared to SIMO using M ~ -QAM

From: Multiple access spatial modulation

N r N t ( ξ ) = 2 1 N t ( ξ ) = 2 2 N t ( ξ ) = 2 3 N t ( ξ ) = 2 4 N t ( ξ ) = 2 5 N t ( ξ ) = 2 6
1 1.6 1.9 2.3 2.6 2.9 3.2
2 0.67 0.38 0.22 0.12 0.068 0.038
3 0.28 0.075 0.021 0.0057 0.0016 4.4(10−4)