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Table 1 Complexity comparison

From: Successive interference cancelation and MAP decoding for mobile MIMO OFDM systems and their convergence behavior

  TE-BLK2 MMSE-OND2 TE-MMSE-OND2 SIC-MAP
  -MIMO -MIMO -MIMO -MIMO
  per sample per iter per sample per sample per iter. per sample per iter.
Total × 48L2n T n R 2[(2L + 1)n R ]2 + (2L + 1)n R × (2L + 1)n R [(4L + 1)n T + 1] + 1
  + 48L n R + 17 n R (2L + 1)(6L n R + 8L n T + (8L n R + 12L n T +  
  (approx) 3n R + 2n T −3) 4n R + 3n T ) + 2  
Total ÷ 4L n R + 7 1 (2L + 1)n R + 2
Notextalized     
complexity     
L=1     
n T  = n R  = 2 4.84 4.21 4.99 1