Title:
OPTICAL SIGNAL TRANSMISSION METHOD, APPARATUS, AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/147957
Kind Code:
A1
Abstract:
Embodiments of the present invention provide an optical signal transmission method, apparatus, and device. The method at a first device side comprises: n first colored optical modules respectively transmit optical signals with the frequency being f and the wavelengths respectively being λ1-λn, wherein λ1-λn are different from each other; and in-band optical layer operation, administration, and maintenance (OAM) information with the modulation frequency being k1-kn is separately superimposed on the optical signals with the wavelengths respectively being λ1-λn.
Inventors:
WANG DONG (CN)
LI YUNBO (CN)
CAI QIAN (CN)
SUN JIANG (CN)
ZHANG DECHAO (CN)
LI HAN (CN)
LI YUNBO (CN)
CAI QIAN (CN)
SUN JIANG (CN)
ZHANG DECHAO (CN)
LI HAN (CN)
Application Number:
PCT/CN2021/073106
Publication Date:
July 29, 2021
Filing Date:
January 21, 2021
Export Citation:
Assignee:
CHINA MOBILE COMM CO LTD RES INST (CN)
CHINA MOBILE COMMUNICATIONS GROUP CO LTD (CN)
CHINA MOBILE COMMUNICATIONS GROUP CO LTD (CN)
International Classes:
H04J14/02
Foreign References:
| CN103560828A | 2014-02-05 | |||
| CN104887244A | 2015-09-09 | |||
| CN105049124A | 2015-11-11 | |||
| CN101997614A | 2011-03-30 | |||
| CN101610239A | 2009-12-23 | |||
| CN107919915A | 2018-04-17 | |||
| CN107147513A | 2017-09-08 | |||
| US20170134114A1 | 2017-05-11 | |||
| US6263130B1 | 2001-07-17 | |||
| CN202010076376A | 2020-01-23 |
Other References:
See also references of EP 4096125A4
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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