Data-aided chromatic dispersion estimation

M Drummond, B Spinnler, S Calabro - US Patent 10,181,904, 2019 - Google Patents
The present invention relates to performing chromatic dis persion estimation in a receiver of
an optical communication system. Here, the signal received by the receiver includes frames …

PMD-insensitive method of chromatic dispersion estimation for a coherent receiver

HH Sun, KT Wu - US Patent 8,705,986, 2014 - Google Patents
Consistent with the present disclosure, a method and system for estimating chromatic
dispersion of an optical signal in a coherent receiver is provided that is insensitive to …

Method for estimating a chromatic dispersion of a received optical signal

FN Hauske - US Patent 9,203,508, 2015 - Google Patents
The present disclosure relates to a method for estimating chromatic dispersion of a received
optical signal (R x (f)), the method comprising: scanning the received optical signal (R x (f)) …

Chromatic dispersion estimation for digital coherent optical receivers

M Zamani, Z Zhang, C Li - US Patent 9,800,348, 2017 - Google Patents
An apparatus comprises a front end configured to receive an optical signal, and convert the
optical signal into a plurality of digital signals, and a processing unit coupled to the front end …

Signal equalizer in a coherent optical receiver

KB Roberts, H Sun - US Patent 9,590,731, 2017 - Google Patents
(57) 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 …

Signal equalizer in a coherent optical receiver

KB Roberts, H Sun - US Patent 9,094,122, 2015 - Google Patents
(57) ABSTRACT A signal equalizer for compensating impairments of an opti cal signal
received through a link of a high speed optical communications network. At least one set of …

Apparatus and method for equalization and compensation of chromatic dispersion in optical transmission

HS Kang, SR Moon, SW Lee, SH Chang… - US Patent …, 2019 - Google Patents
(57) ABSTRACT A method and apparatus for compensation of a chromatic dispersion
through an optical compensation and an elec tronical compensation in optical …

Fast chromatic dispersion estimation

PA Thomas, C Malouin, TJ Schmidt - US Patent 8,953,951, 2015 - Google Patents
This disclosure describes the Fast Chromatic Dispersion Esti mation (FCDE) techniques
which corrects for chromatic dis persion in high data rate optical communications systems …

Fast chromatic dispersion estimation

M Arabaci, C Malouin, PA Thomas, TJ Schmidt… - US Patent …, 2015 - Google Patents
This disclosure describes the Fast Chromatic Dispersion Esti mation (FCDE) techniques
which corrects for chromatic dis persion in high data rate optical communications systems …

Method and System for Equalization and Decoding Received Signals Based on High-Order Statistics in Optical Communication Networks

T Koike-Akino, C Duan, K Parsons… - US Patent App. 13 …, 2013 - Google Patents
A method equalizes and decodes a received signal including a sequence of symbols.
Subsequences of the signal are selected, wherein the subsequences are overlapping and …