Optical communications – Transmitter and receiver system – Including optical waveguide
Reexamination Certificate
2011-08-23
2011-08-23
Vanderpuye, Ken N (Department: 2613)
Optical communications
Transmitter and receiver system
Including optical waveguide
C398S065000, C398S081000, C398S147000, C398S148000, C398S149000, C398S204000, C398S205000, C398S206000, C398S208000, C398S152000
Reexamination Certificate
active
08005368
ABSTRACT:
A signal equalizer for compensating impairments of an optical signal received through a link of a high speed optical communications network. At least one set of compensation vectors are computed for compensating at least two distinct types of impairments. A frequency domain processor is coupled to receive respective raw multi-bit in-phase (I) and quadrature (Q) sample streams of each received polarization of the optical signal. The frequency domain processor operates to digitally process the multi-bit sample streams, using the compensation vectors, to generate multi-bit estimates of symbols modulated onto each transmitted polarization of the optical signal. The frequency domain processor exhibits respective different responses to each one of the at least two distinct types of impairments.
REFERENCES:
patent: 6782211 (2004-08-01), Core
patent: 7315575 (2008-01-01), Sun et al.
patent: 7636525 (2009-12-01), Bontu et al.
patent: 7769305 (2010-08-01), Roberts et al.
patent: 2006/0013296 (2006-01-01), Carrer et al.
patent: 2006/0013597 (2006-01-01), Crivelli et al.
patent: 2007/0092259 (2007-04-01), Bontu et al.
International Search Report, Issued Mar. 16, 2009 on Applicant's corresponding International Patent Application Serial No. PCT/CA2008/002118 filed Dec. 4, 2008.
Roberts Kim
Sun Han
Blake Cassels & Graydon LLP
Ciena Corporation
Daniels Kent
Leung Danny W
Vanderpuye Ken N
LandOfFree
Signal equalizer in a coherent optical receiver does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Signal equalizer in a coherent optical receiver, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Signal equalizer in a coherent optical receiver will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2718349