Carrier phase estimation scheme for faster-than-Nyquist optical coherent communication systems

被引：0

作者：

李程程 ^{[1
]}

潘董威 ^{[1
]}

冯一乔 ^{[1
]}

林嘉川 ^{[1
]}

席丽霞 ^{[1
]}

唐先锋 ^{[1
]}

张文博 ^{[2
]}

张晓光 ^{[1
]}

机构：

[1] State Key Laboratory of Information Photonics and Optical Communications,Beijing University of Posts and Telecommunications

[2] School of Science,Beijing University of Posts and Telecommunications

来源：

Chinese Optics Letters | 2016年 / 14卷 / 10期

关键词：

FTN; OSNR; Carrier phase estimation scheme for faster-than-Nyquist optical coherent communication systems; ISI; QPSK; than;

D O I：

暂无

中图分类号：

TN929.1 [光波通信、激光通信];

学科分类号：

0803 ;

摘要：

We propose a modified-Viterbi and Viterbi phase estimation(VVPE)carrier phase recovery scheme that shows an effective capability of reducing the frequent and accumulated cycle slips induced by inter-symbol interference(ISI)in a faster-than-Nyquist(FTN)optical coherent communications system.In a 28-Gbaud FTN polarizationdivision multiplexed quadrature phase-shift keying optical communication system,the comparison of the proposed modified-VVPE scheme and the conventional VVPE scheme is carried out.It is proved that the proposed modified-VVPE scheme can effectively overcome the challenge of ISI induced error carrier phase estimation,which leads to a better bit error ratio performance.

引用

收藏

页码：19 / 23

页数：5

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