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Blind Equalization in Optical Communications Using Independent Component Analysis

A. Nafta ; Pontus Johannisson (Institutionen för mikroteknologi och nanovetenskap, Fotonik) ; M. Shtaif
Journal of Lightwave Technology (0733-8724). Vol. 31 (2013), 12, p. 2043-2049.
[Artikel, refereegranskad vetenskaplig]

We propose a multi-tap independent component analysis (ICA) scheme for blind equalization and phase recovery in coherent optical communication systems. The proposed algorithm is described and evaluated in the cases of QPSK and 16-QAM transmission. Comparison with CMA equalization shows similar performance in the case of QPSK and an advantage for the ICA equalizer in the case of 16-QAM. The equalization scheme was evaluated in a multi-span optical communications system impaired by both polarization mode dispersion (PMD) and polarization dependent loss (PDL).

Nyckelord: Coherent communication; equalization; independent component analysis (ICA); optical fiber communication



Denna post skapades 2013-07-04. Senast ändrad 2014-01-15.
CPL Pubid: 179793

 

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Institutioner (Chalmers)

Institutionen för mikroteknologi och nanovetenskap, Fotonik

Ämnesområden

Fotonik

Chalmers infrastruktur