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Quadrature imbalance compensation algorithm based on statistical properties of signals in CO-QPSK sy
[期刊论文] 作者：YaojunQiao,YanfeiXu,LujiaoLi,YuefengJi,
来源：ChineseOpticsLetters 年份：2012
We propose a blind quadrature imbalance (QI) compensation algorithm based on the statistical properties of I and Q signals in a receiver. The algorithm estimates the QI parameters of a receiver by calculating the mean, variance, and correla......
[期刊论文] 作者：JianruiLi,JiachuanLin,XiaoguangZhang,LixiaXi,XianfengTang,YaojunQiao,
来源：ChineseOpticsLetters 年份：2015
We demonstrate a new scheme for generation of optical frequency comb (OFC) based on cascade modulators, 23 comb lines within 0.5 dB spectral power variation are obtained. An optical finite impulse response (FIR) filter is introduced for sup......
Performance analysis of LDPC code based on Watermark scheme in high-speed optical communication syst
[期刊论文] 作者：WenxueHe,WenboZhang,ChaoLi,LixiaXi,XiaoguangZhang,YaojunQiao,
来源：ChineseOpticsLetters 年份：2015
We study the decoding performance of low-density parity-check (LDPC) code based on Watermark scheme under different percentages of water-mark bits over 100 Gb/s differential quadrature phase shift keying (DQPSK) high-speed optical communica......
Joint estimation of frequency offset and chromatic dispersion based on the training sequences in M-a
[期刊论文] 作者：YipingSun,LixiaXi,XianfengTang,DongheZhao,YaojunQiao,XiaZhang,XiaoguangZhang,
来源：ChineseOpticsLetters 年份：2014
A data-aided method of joint frequency offset and chromatic dispersion estimation based on the Chu training sequences is shown in 112 Gb/s polarization-multiplexed (PM) quadrature phase-shift keying and 224 Gb/s PM-16-quadrature amplitude m......
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