Research Article
Low Complexity Submatrix Divided MMSE Sparse-SQRD Detection for MIMO-OFDM with ESPAR Antenna Receiver
Table 3
Flops per subcarrier comparison.
| Algorithm | QPSK | 16-QAM | 64-QAM |
| MIMO 2 × 2 VBLAST w/o ESPAR | 542 | 542 | 542 | MIMO 2 × 2 MLD w/o ESPAR | 312 | 4992 | 79872 | () with 2-sym overlapping | 519 | 518 | 516 | () with 4-sym overlapping | 770 | 768 | 765 |
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