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Conferences > ACPC > 2021 > T3B > T3B.7

QPSK-Partition Assisted Frequency Offset Estimation for Probabilistically Shaped Coherent Optical Communication Systems

Xue Tang, Lishan Yang, Hengying Xu, Chenglin Bai, Weibin Sun, Xinkuo Yu, Lingguo Cao, Xiuhua Lv, and Peng Qin

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Abstract

A QPSK-partition assisted frequency offset estimation scheme is proposed for probabilistically shaped coherent systems. High FOE accuracy can be achieved under conditions of moderate/strong shaping. The complexity of this scheme is reduced to O(N).

© 2021 The Author(s)

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