Concepedia

Compensation of IQ imbalance using Kalman filter in coherent optical systems

Qian Xiang, Yanfu Yang, Qun Zhang, Juntao Cao, Yong Yao

2018 · 10 citations · 7 references

DOI

Concepts

Abstract

A novel compensation scheme for the IQ imbalance using Kalman filter(KF) is proposed. Compared with the reported algorithms, KF with optimal Q has the wide range of gain and phase imbalance tolerance and ultra-fast convergence.

References

7

Compensation of Quadrature Imbalance in an Optical QPSK Coherent Receiver

Irshaad Fatadin, Seb J. Savory, D. J. G. Ives · IEEE Photonics Technology Letters · 2008 · 278 citations

, , +17

Digital Signal Processing for Coherent Transceivers Employing Multilevel Formats

Md. Saifuddin Faruk, Seb J. Savory · Journal of Lightwave Technology · 2017 · 271 citations · Full text

, , +17

Compensation for In-Phase/Quadrature Imbalance in Coherent-Receiver Front End for Optical Quadrature Amplitude Modulation

Md. Saifuddin Faruk, K. Kikuchi · IEEE photonics journal · 2013 · 132 citations · Full text

, , +15

Blind signal estimation in conjugate signal models with application to I/Q imbalance compensation

Mikko Valkama, Markku Renfors, V. Koivunen · IEEE Signal Processing Letters · 2005 · 94 citations

, , +10

Blind Transmitter IQ Imbalance Compensation in M-QAM Optical Coherent Systems

Trung-Hien Nguyen, Pascal Scalart, Mathilde Gay et al. · Journal of Optical Communications and Networking · 2017 · 37 citations · Full text

, , +15