Figure 5From: Iterative equalization for OFDM systems over wideband Multi-Scale Multi-Lag channels Left plots: eigenvalues with and without preconditioning; Right plots: convergence performance with and without preconditioning; FD matrix for top two plots corresponds to the original channel, FD matrix for bottom two plots is obtained after our optimum resampling; The MSML channel is set according to Table 1 . Back to article page