Efficient Evaluation of Asymptotic Trapping Set Enumerators for Irregular LDPC Code Ensembles
Emna Ben Yacoub, Gianluigi Liva, Gerhard G. Kramer · elib (German Aerospace Center) · 2020
The normalized logarithmic asymptotic distribution of elementary and general trapping sets for irregular low-density parity-check code ensembles is derived based on the generating functions approach. A numerical technique for its evaluation is presented, which requires solving a system of equations.