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Title: Analysis of signal processing techniques for optical 112 Gb/s DP-QPSK receivers with experimental data
Authors: Portela, Thiago Ferreira
Souto, Diego Vieira
Rozental, Valery Nobl
Ferreira, Hugo Borges
Mello, Darli Augusto de Arruda
Griesser, Helmut
Assunto:: Comunicações óticas
Processamento de sinais
Polarização - óptica
Issue Date: Jun-2011
Publisher: Brazilian Microwave and Optoelectronics Society (SBMO) e Brazilian Society of Electromagnetism (SBMag)
Citation: PORTELA, Thiago F. et al. Analysis of signal processing techniques for optical 112 Gb/s DP-QPSK receivers with experimental data. Journal of Microwaves, Optoelectronics and Electromagnetic Applications, v. 10, n. 1, p. 155- 164, jun. 2011. Disponível em: <http://www.jmoe.org/site-number?id=31/>. Acesso em: 3 out. 2012.
Abstract: This paper evaluates several signal processing techniques for optical dual-polarization quadrature phase-shift keying (DP-QPSK) coherent receivers, using offline post-processing of experimental data. In addition to electronically separating the two polarization multiplexed signals, the investigated signal processing algorithms also compensate for chromatic dispersion (CD) and polarization mode dispersion (PMD). In particular, we investigate two distinct architectures: 1)Constant modulus algorithm (CMA) equalization followed by feedforward phase recovery. 2)Decision-directed least mean square (DD-LMS) equalization combined with decision-directed phase recovery. The interplay of both architectures with bulk dispersion compensators and carrier recovery algorithms is also analyzed.
Licença:: Journal of Microwaves, Optoelectronics and Electromagnetic Applications, - Disponível sob Licença Creative Commons 3.0, que permite copiar, distribuir e transmitir o trabalho, desde que seja citado o autor e licenciante. Não permite o uso para fins comerciais nem a adaptação desta (BY-NC-ND)
Appears in Collections:Artigos publicados em periódicos e afins

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