Fig. 5
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13638-021-01979-3/MediaObjects/13638_2021_1979_Fig5_HTML.png)
Performance of the adopted ZF, Wiener and proposed precoders in terms of MSE in a receiver a without receive filter, b with MF receive filter, and c with MMSE receive filter in FFB-FBH configuration with \({\mathrm{N}}_{t}=1\). The channel is time-invariant