光通信技术2017，Vol.41Issue(2)：9-12,4.DOI:10.13921/j.cnki.issn1002-5561.2017.02.003
一种32Q-AM相干光通信系统中相位估算算法
Carrier phase estimation for 32-QAM optical systems using quasi-QPSK-partitioning algorithm
辛鹏 1李海涛 2李垠韬 3袁卫国 4韩纪龙 4安慧蓉 2雷学义 3黄丽艳1
作者信息
- 1. 中国电力科学研究院,北京102401
- 2. 光迅科技股份有限公司,武汉430205
- 3. 武汉邮电科学研究院,武汉430074
- 4. 国网冀北电力有限公司信息通信分公司,北京100053
- 折叠
摘要
Abstract
In this paper,a quasi quadrature phase shift keying (QPSK) partitioning method is proposed to replace the conventional QPSK partitioning method in the first stage of the carrier phase estimation (CPE) algorithms for the 32-QAM coherent optical system.By simulation,for 1 dB SNR penalty at bit error rate (BER)of 1E-2,the proposed method can achieve an improving of 85％ for combined linewidth symbol duration product tolerance compared with conventional method for single stage.Combined with the fine stage,the maximum tolerable combined linewidth symbol duration product can be up to 5.1E-5.关键词
相干光通信/32-QAM/载波相位估计/相干检测/数字信号处理Key words
coherent optical communication system/32-QAM/carrier phase estimation/coherent detection/digital signal processing分类
信息技术与安全科学引用本文复制引用
辛鹏,李海涛,李垠韬,袁卫国,韩纪龙,安慧蓉,雷学义,黄丽艳..一种32Q-AM相干光通信系统中相位估算算法[J].光通信技术,2017,41(2):9-12,4.
