Design and Performance of High-Rate Irregular LDPC Codes for Turbo Equalization of PMD Channels
T. Schorr, Wolfgang Sauer-Greff, Ralph Urbansky, Herbert F. Haunstein · 2007
Applying LDPC codes to turbo equalization of PMD channels requires them to be adopted to the equalizer. A design using fitted EXIT functions offers improved OSNR tolerance of ca. 5 dB compared to MLSE equalization.