Steepest Descent Multimodulus Algorithm for Blind Signal Retrieval in QAM Systems
arXiv:1710.00783
Abstract
We present steepest descent (SD) implementation of multimodulus algorithm (MMA2-2) for blind signal retrieval in digital communication systems. In comparison to stochastic approximate (gradient descent) realization, the proposed SD implementation of MMA2-2 equalizer mitigates inter-symbol interference with relatively smooth convergence and superior steady-state performance.
This work was initially submitted in IET Electronics Letters on Feb. 06, 2017