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Table 2 Comparison of detection complexity (γ)

From: EQSM-based multiuser MIMO downlink transmission for correlated fading channels

Configuration/systemBD SMuxBD EQSMPDC SMuxPDC EQSMBD-PDC EQSM
8 bpcu12,0329088460834563456
(4·2)×8(100%)(76%)(38%)(29%)(29%)
12 bpcu641,024241,664147,45655,29655,296
(4·4)×16(100%)(38%)(23%)(8.6%)(8.6%)
  1. The conventional BD-MIMO-SMux systems are considered as reference with 100% of complexity