From: A simplified hard output sphere decoder for large MIMO systems with the use of efficient search center and reduced domain neighborhood study
Complex operations
Real operations
MUL
ADDCC
2ADD
0
ADDRC
ADD
ADDRR
MULCC
4MUL + 4ADD
4
MULRC
2MUL
2
MULRR
1MUL
1
DIVCC
6DIV + 6ADD
96
DIVRC
2DIV
32
DIVRR
1DIV
16
SQRTRR
1SQRT