Blind equalization for minimum-shift keying coherent optical communication system

Huanjun Wang; Jing He; Lin Chen; Jin Tang

doi:10.1117/1.OE.53.4.046107

29 April 2014 Blind equalization for minimum-shift keying coherent optical communication system

Huanjun Wang, Jing He, Lin Chen, Jin Tang

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Optical Engineering, Vol. 53, Issue 4, 046107 (April 2014). https://doi.org/10.1117/1.OE.53.4.046107

Abstract

The blind equalization of minimum-shift keying (MSK) in coherent optical communication is investigated. After the classical constant modulus algorithm (CMA) equalization step, the output of the equalizer does not necessarily coincide with a delayed and rotated version of the input MSK signal. In our MSK coherent optical system, a blind equalization criterion is proposed to eliminate the latter indeterminacy. Simulation results show that the 10-Gb/s MSK system successfully recovers MSK signal from various transmission impairments.

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Huanjun Wang, Jing He, Lin Chen, and Jin Tang "Blind equalization for minimum-shift keying coherent optical communication system," Optical Engineering 53(4), 046107 (29 April 2014). https://doi.org/10.1117/1.OE.53.4.046107

Published: 29 April 2014

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KEYWORDS

Digital signal processing

Optical communications

Telecommunications

Modulation

Curium

Coherent optics

Receivers

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