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Probabilistically Constellation Shaped Kramers-Kronig Detection Enabling Reduced CSPR Condition

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Abstract

We propose to relax the requirement of carrier-to-signal power ratio in Kramers-Kronig receiver by probabilistically shaping the constellation to avoid destroying minimum phase condition. About 1.5-dB reduction in optimal carrier-to-signal power ratio are observed.

© 2022 The Author(s)

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