Title :
Low computation complexity two-stage feedforward carrier recovery algorithm for M-QAM
Author :
Zhuge, Qunbi ; Chen, Chen ; Plant, David V.
Author_Institution :
Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, QC, Canada
Abstract :
We propose a modified two-stage feedforward carrier recovery algorithm for M-QAM formats that achieves a 3× reduction in computation complexity compared to a single-stage algorithm. When combining with a feedback loop, 5.3-10× computation complexity reduction can be achieved.
Keywords :
computational complexity; feedforward; quadrature amplitude modulation; M-QAM; computation complexity; feedback loop; two-stage feedforward carrier recovery algorithm; Bit error rate; Complexity theory; Delay; Feedback loop; Feedforward neural networks; Phase estimation; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4577-0213-6
