Decision-aided maximum likelihood detection in coherent optical phase-shift-keying system

被引：51
|
作者：
Zhang, S. [1 ]
Kam, P. Y. [1 ]
Chen, J. [2 ]
Yu, C. [1 ,2 ]
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
[2] ASTAR, Inst Infocomm Res I2R, Singapore 138632, Singapore
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 02期
关键词：
RECEIVER; NOISE; TRANSMISSION; RECOVERY;
D O I：
10.1364/OE.17.000703
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel decision-aided maximum likelihood (DA ML) technique is proposed to estimate the carrier phase in coherent optical phase-shift-keying system. The DA ML scheme is a totally linear computational algorithm which is feasible for on-line processing in the real systems. The simulation results show that the DA ML receiver can outperform the conventional Mth power scheme, especially when the nonlinear phase noise is dominant. (C) 2008 Optical Society of America
引用
收藏
页码：703 / 715
页数：13
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