Title :
Blind Level Discrimination Carrier Recovery Algorithm for 16-QAM optical coherent communication system
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 new blind carrier recovering technique, named, Level Discrimination Carrier Recovery Algorithm (LD-CRA) for optical coherent receiver. Our proposed single tap LD-CRA can blindly compensate the laser phase noise without using any training sequence. Our analysis result found that for 300 KHz linewidth laser, the OSNR penalty is below 1.4dB at 10-3 bit error rate (BER) which has same as the decision directed single tap filter.
Keywords :
optical communication; optical filters; optical receivers; phase noise; quadrature amplitude modulation; 16-QAM optical coherent communication system; BER; LD-CRA; bit error rate; blind level discrimination carrier recovery algorithm; decision directed single tap filter; frequency 300 kHz; laser phase noise compensation; linewidth laser; optical coherent receiver; training sequence; Algorithm; CMA; Carrier Phase Recovery; DSP; Multi Modulus Algorithm; Optical Coherent Receiver;
Conference_Titel :
Electrical & Computer Engineering (ICECE), 2012 7th International Conference on
Conference_Location :
Dhaka
Print_ISBN :
978-1-4673-1434-3
DOI :
10.1109/ICECE.2012.6471576
