This section describes the equalizer module and the functionality of two digital linear adaptive equalizers implemented in liquid , LMS and RLS. Their interfaces are nearly identical; however their internal functionality is quite different.

http://liquidsdr.org/doc/equalization/

This tutorial provides an overview of a very simple fininite impulse response least mean-squares equalizer simulation. This is part of my "DSP in 50 lines of C" series.

http://liquidsdr.org/blog/lms-equalizer/