Title :
Full-range and rapid-tracking carrier phase and frequency estimator for 16-QAM coherent systems
Author :
Meiyappan, A. ; Pooi-Yuen Kam ; Hoon Kim
Author_Institution :
Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore
Abstract :
We present a carrier phase and frequency estimator for 16-QAM with frequency acquisition range of ±0.5 times the symbol rate, speed of 15 times faster than differential frequency estimation, and robustness in tracking time-varying frequency.
Keywords :
frequency estimation; optical fibre communication; phase estimation; quadrature amplitude modulation; 16-QAM coherent systems; frequencγ acquisition; full-range carrier phase estimator; full-range estimator; rapid-tracking carrier phase estimator; rapid-tracking frequency estimator; symbol rate; time-varying frequency tracking; Bit error rate; Frequency estimation; Frequency modulation; Lasers; Optical filters; Signal to noise ratio; Time-frequency analysis;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0