Fig. 3From: Using tensor contractions to derive the structure of slice-wise multiplications of tensors with applications to space–time Khatri–Rao coding for MIMO-OFDM systemsSER versus \(E_b/N_0\) for \(N=128\), \(Q=2\), \(M_{{\mathrm{T}}} =2\), \(M_{\mathrm{R}}=2\), \(\Delta K = K\), \(\Delta F = 4\) and different numbers of blocks KBack to article page