Low Complexity Submatrix Divided MMSE Sparse-SQRD Detection for MIMO-OFDM with ESPAR Antenna Receiver

<table>Proposed scheme with 64-QAM and 2-symbol overlapping.</table>

VLSI Design

Figure 9: Low Complexity Submatrix Divided MMSE Sparse-SQRD Detection for MIMO-OFDM with ESPAR Antenna Receiver 