Title :
Low complexity blind level discrimination carrier phase recovery algorithm in optical coherent receiver
Author :
Khalil, Md Ibrahim ; Adib, Md Mosaddek Hossain ; Chowdhury, Arshad M. ; Faruk, Md Saifuddin ; Gee-Kung Chang
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., North South Univ., Dhaka, Bangladesh
Abstract :
We propose and demonstrate a low complexity blind Level Discrimination Carrier Recovery Algorithm (LD-CRA) for optical coherent receivers. Through optimization of step size parameter we found that LD-CRA has below 2 dB OSNR penalty for 14Gbaud 16-QAM signal for 600 kHz line width laser.
Keywords :
optical receivers; quadrature amplitude modulation; 16-QAM; LD-CRA; OSNR penalty; frequency 600 GHz; low complexity blind level discrimination carrier phase recovery algorithm; optical coherent receiver; step size parameter;
Conference_Titel :
Communications and Photonics Conference (ACP), 2012 Asia
Conference_Location :
Guangzhou
Print_ISBN :
978-1-4673-6274-0
