Title :
Rate-adaptive irregular QC-LDPC codes from pairwise balanced designs for ultra-high-speed optical transport
Author :
Djordjevic, Ivan B. ; Ting Wang
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Arizona, Tucson, AZ, USA
Abstract :
A rate-adaptive, software-defined, coded-modulation scheme based on irregular quasi-cyclic LDPC codes designed using the concept of pairwise balanced designs is proposed. The proposed scheme outperforms the corresponding scheme based on regular LDPC codes, and eliminates the error floor phenomenon of regular LDPC codes.
Keywords :
adaptive optics; high-speed optical techniques; optical design techniques; optical fibre communication; optical modulation; coded-modulation scheme; pairwise balanced designs; quasicyclic-low-density parity check codes; rate-adaptive irregular QC-LDPC codes; software-defined scheme; ultrahigh-speed optical transport; Adaptive optics; Bit error rate; Decoding; Floors; Forward error correction; Optical fibers; Parity check codes;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
