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VLSI Design
/
2013
/
Article
/
Tab 2
/
Research Article
Low Complexity Submatrix Divided MMSE Sparse-SQRD Detection for MIMO-OFDM with ESPAR Antenna Receiver
Table 2
Average number of flops per subcarrier of the proposed algorithm with 4-symbol overlapping.
Submatrix size
QPSK
16-QAM
64-QAM
Full w/o division
7005
6832
6751
Quarter (
)
2792
2725
2696
Eighth (
)
1277
1272
1269
Eighteenth (
)
770
768
765