An Experimental Investigation of High-Rate Nonbinary Quasi-Cyclic LDPC-Coded Modulation for Coherent Optical Communication

被引：0
|
作者：
Hong, Xuezhi [1 ]
Arabaci, Murat [1 ]
Djordjevic, Ivan B. [1 ]
机构：
[1] Univ Arizona, ECE Dept, Tucson, AZ 85719 USA
来源：
2011 IEEE PHOTONICS CONFERENCE (PHO) | 2011年
关键词：
low-density parity-check (LDPC) codes; coherent optical communication; forward error correction;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A rate-0.83 nonbinary quasi-cyclic LDPC-coded modulation scheme is experimentally investigated in a coherent optical QPSK system. Large coding gains are observed for both I/Q well balanced and highly imbalanced cases. By increasing the BCJR equalizer's memory, degradation caused by insufficient receiver bandwidth is successfully mitigated.
引用
收藏
页码：159 / 160
页数：2
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