Title :
Frequency offset estimation using a Kalman filter in coherent optical phase-shift keying systems
Author :
Zhang, Shaoliang ; Kam, Pooi Yuen ; Yu, Changyuan ; Chen, Jian
Author_Institution :
Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore
Abstract :
We propose a novel frequency offset estimator by using canonical Kalman filter in coherent optical phase-shift keying systems. Simulation results show that it can quickly search for the frequency offset and approach the performance of an ideal frequency offset estimator.
Keywords :
Digital signal processing; Frequency estimation; High speed optical techniques; Optical filters; Optical receivers; Optical signal processing; Optical transmitters; Phase estimation; Phase shift keying; Signal to noise ratio;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
