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Table 1 Computational complexity of the proposed scheme in Section 3

From: Iterative channel estimation and data detection for MIMO-OFDM systems operating in time-frequency dispersive channels under unknown background noise

Computation

Complexity

Matrix inversion in (17)

O((N T N R (Q+1)L)3)

Eigendecomposition on (18)

O((N T N R (Q+1)L)3)

Matrix inversion in (21)

O((N T N)3)