Title :
Soft-decision LDPC turbo decoding for DQPSK modulation in coherent optical receivers
Author :
F. Yu;N. Stojanovic;F. N. Hauske;D. Chang;Z. Xiao;G. Bauch;D. Pflueger;C. Xie;Y. Zhao;L. Jin;Y. Li;L. Li;X. Xu;Q. Xiong
Author_Institution :
Huawei Technologies Co., Ltd., Network Research Department, Shenzhen, 518129, China
Abstract :
We investigate DQPSK modulation combined with QC-LDPC coding. By applying iterative demodulation and soft-decision decoding, the differential decoding penalty is reduced by 2.05 dB offering an attractive solution for coherent optical systems with soft-decision FEC.
Keywords :
"Decoding","Iterative decoding","Phase shift keying","Bit error rate","Forward error correction","Manganese"
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Print_ISBN :
978-1-4577-1918-9
