Linewidth-tolerant and low-complexity two-stage carrier phase estimation for dual-polarization 16-QAM coherent optical fiber communications
Two novel linewidth-tolerant, low-complexity feedforward carrier phase estimation
algorithms are described for dual-polarization 16-ary quadrature-amplitude-modulation with …
algorithms are described for dual-polarization 16-ary quadrature-amplitude-modulation with …
基于坐标变换的常数模盲均衡新算法
饶伟, 郭业才, 汪胜前, 谭文群, 夏非, 刘剑冰 - 电子学报, 2011 - ejournal.org.cn
结合信号星座图特点, 对常数模算法的代价函数进行修正, 提出了基于坐标变换的常数模盲均衡
新算法. 该算法通过坐标变换将发射信号的模值转换成零, 从而克服了常数模算法在对非常模 …
新算法. 该算法通过坐标变换将发射信号的模值转换成零, 从而克服了常数模算法在对非常模 …
相干光通信系统载波相位估计算法性能分析
张琪, 王目光 - Electro-Optic Technology Application, 2016 - opticsjournal.net
摘要在相干光通信系统中, 激光器相位噪声导致信号在复平面发生旋转, 因此在接收端需要对
信号进行载波相位估计和恢复. 文中主要对当前载波相位估计算法特性进行比较研究 …
信号进行载波相位估计和恢复. 文中主要对当前载波相位估计算法特性进行比较研究 …
[PDF][PDF] 高阶调制通用恒模盲均衡算法
杨大龙, 陈大海, 张健, 陈志强 - 电子与信息学报, 2012 - edit.jeit.ac.cn
在无线通信高速数据传输中, 限带效应及多径信道带来的码间干扰(ISI) 严重影响接收信号的质量
. 目前广泛采用恒模盲均衡算法(CMA) 消除ISI, 但是对于高阶非恒定幅度调制信号, CMA …
. 目前广泛采用恒模盲均衡算法(CMA) 消除ISI, 但是对于高阶非恒定幅度调制信号, CMA …
Joint blind frequency-domain equalization and decoding for rateless underwater acoustic communication
Z Liu, M Ke, Z Tan - Applied Acoustics, 2022 - Elsevier
To increase bandwidth efficiency and adapt to the bandwidths of different underwater
acoustic channels (UAC), a joint blind frequency-domain equalization (BFE) and rateless …
acoustic channels (UAC), a joint blind frequency-domain equalization (BFE) and rateless …
Synthesis of SSB Nyquist 16QAM from twin-SSB QPSK via optical subcarrier processing-based data aggregation and its direct detection with hierarchical blind phase …
To synthesize a single-sideband (SSB) Nyquist high-order QAM, an optical subcarrier
processing (OSP) based scheme is proposed and experimentally demonstrated. A Twin …
processing (OSP) based scheme is proposed and experimentally demonstrated. A Twin …
Analysis of M state digitally modulated signals in communication systems based on SDR concept
M Al Wohaishi, J Zidek… - Proceedings of the 6th …, 2011 - ieeexplore.ieee.org
The speed at which new digital communication systems are being developed is increasing
dramatically. Growing quantity of transmitted information and growing quantity of users …
dramatically. Growing quantity of transmitted information and growing quantity of users …
Simple approach for joint blind equalization and order detection suitable for QAM signal
W Rao, J Lian, F Xia, L Fan, H Xu… - … Workshop on Imaging …, 2009 - ieeexplore.ieee.org
A blind equalization and order detection algorithm suitable for QAM signal is proposed. By
exploiting the inherent structural relationship between the 4-QAM signal's coordinates and …
exploiting the inherent structural relationship between the 4-QAM signal's coordinates and …
The performance comparison of CR-CMA and CM-CMA adaptive equalization in 16-QAM signal
SG Lim - The Journal of the Institute of Internet, Broadcasting …, 2011 - koreascience.kr
This paper is concerned with the performance comparison of CR-CMA (Coordinate
Reduction-CMA) and CM-CMA (Constellation Matching-Constant Modulus Algorithm) that is …
Reduction-CMA) and CM-CMA (Constellation Matching-Constant Modulus Algorithm) that is …
[PDF][PDF] 适用于非常模信号的常数模新算法
饶伟, 孙辉, 郭业才, 邓承志, 汪胜前, 田伟 - 通信学报, 2011 - infocomm-journal.com
适用于非常模信号的常数模新算法New constant modulus algorithm suitable for nonconstant
modulus signals Page 1 2011 年9 月 Journal on Communications September 2011 第32 卷第9 …
modulus signals Page 1 2011 年9 月 Journal on Communications September 2011 第32 卷第9 …