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Table 2 E b /N 0 values achieving a BER level of 2×10 −5 for different detectors with 4×4 16-QAM, R c =1/2 a

From: Iterative receivers combining MIMO detection with turbo decoding: performance-complexity trade-offs

  I out =4, I in =8 I out =4, I in =2 I out =8, I in =1
STS-SD 1.69 dB 1.72 dB 1.56 dB
LC-K-Best 1.87 dB (−0.18) 1.89 dB (−0.17) 1.76 dB (−0.20)
I-VBLAST 1.88 dB (−0.19) 1.97 dB (−0.25) 1.78 dB (−0.22)
MMSE-IC 1.92 dB (−0.23) 1.89 dB (−0.27) 1.76 dB (−0.24)
MMSE-IC1 2.20 dB (−0.51) 2.28 dB (−0.56) 2.20 dB (−0.64)
  1. aThe number in the parenthesis corresponds to the performance loss in dB over STS-SD.