Title :
Design and Performance of High-Rate Irregular LDPC Codes for Turbo Equalization of PMD Channels
Author :
Schorr, T. ; Sauer-Greff, W. ; Urbansky, R. ; Haunstein, H.F.
Author_Institution :
Univ. of Kaiserslautern, Kaiserslautern
Abstract :
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.
Keywords :
channel coding; equalisers; optical fibre dispersion; optical fibre polarisation; parity check codes; turbo codes; EXIT; OSNR tolerance; PMD channels; extrinsic information transfer functions; high-rate irregular LDPC codes; optical fiber; turbo equalization; AWGN; Convolutional codes; Decoding; Equalizers; Maximum likelihood estimation; Mutual information; Optical noise; Parity check codes; Signal to noise ratio; Tellurium;
Conference_Titel :
Optical Fiber Communication and the National Fiber Optic Engineers Conference, 2007. OFC/NFOEC 2007. Conference on
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-831-4
DOI :
10.1109/OFC.2007.4348434
