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Table 2 The computational complexity comparison

From: A complexity-performance-balanced multiuser detector based on artificial fish swarm algorithm for DS-UWB systems in the AWGN and multipath environments

MUD algorithms Computational complexity
MMSE K (From Equation 13)
DEC K (From Equation 14)
SIC K (From Equation 15)
AFSA-MUD K + K + 1 K 0 + K 1 + + K L i (From Appendix)
OMD 2K(K + 1) (From Equation 10)