Title :
Phase estimation in coherent optical fiber communication systems with advanced modulation formats
Author :
Yu, Changyuan ; Kam, Pooi-Yuen ; Zhang, Shaoliang ; Chen, Jian
Author_Institution :
Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore
Abstract :
The performance of decision-aided maximum likelihood (DA ML) phase estimation is investigated for different modulation formats, and Gardner-timing-based frequency offset estimation is demonstrated which achieves an estimation range of ±0.5 times the system symbol rate.
Keywords :
frequency estimation; maximum likelihood estimation; optical fibre communication; optical modulation; phase estimation; Gardner timing based frequency offset estimation; advanced modulation formats; coherent optical fiber communication systems; decision aided maximum likelihood phase estimation; system symbol rate; Frequency estimation; Laser noise; Maximum likelihood estimation; Modulation; Nonlinear optics; Optical receivers; Phase estimation;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3
