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Conferences > OFC > 2012 > OTu2G > OTu2G.4

Phase Entropy-Based Frequency Offset Estimation for Coherent Optical QAM Systems

S. Dris, I. Lazarou, P. Bakopoulos, and H. Avramopoulos

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Abstract

We investigate a novel approach to Frequency Offset Estimation for coherent optical QAM systems, based on the received symbol phase entropy. It is highly accurate, non-data-aided and oblivious to modulation format.

© 2012 Optical Society of America

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