WO2023066037 - SYSTEMS AND METHODS FOR MONITORING GENERALIZED OPTICAL SIGNAL-TO-NOISE RATIO
National phase entry is expected:
Publication Number
WO/2023/066037
Publication Date
27.04.2023
International Application No.
PCT/CN2022/123933
International Filing Date
09.10.2022
Title **
[English]
SYSTEMS AND METHODS FOR MONITORING GENERALIZED OPTICAL SIGNAL-TO-NOISE RATIO
[French]
SYSTÈMES ET PROCÉDÉS DE SURVEILLANCE DU RAPPORT SIGNAL SUR BRUIT OPTIQUE GÉNÉRALISÉ
Applicants **
HUAWEI TECHNOLOGIES CO., LTD.
Huawei Administration Building
Bantian, Longgang District
Shenzhen, Guangdong 518129, CN
Inventors
JIANG, Zhiping
173 Windance Gres.
Kanata, Ontario K2W 0A5, CA
HAHN, Choloong
7 Wynford Ave.
Nepean, Ontario K2G 3Z2, CA
Priority Data
17/503,712
18.10.2021
US
Application details
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| Pages for Publication | * |
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International Searching Authority |
CNIPA
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Translation |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing | 1432 | |
| EPO | Filing, Examination | 9310 | |
| Japan | Filing | 594 | |
| South Korea | Filing | 575 | |
| USA | Filing, Examination | 3310 |
Total: 15221 USD
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
The disclosed systems and methods for monitoring, by a coherent optical monitor (OPM), generalized optical signal-to-noise ratio (gOSNR) of an optical channel, the method comprising: i) receiving, by an input port of the coherent OPM, a first signal and a second signal, wherein: the first signal and the second signal include same data, the first signal is an optical signal received from the optical channel, and the first signal is affected by a noise; ii) processing, by a digital signal processor (DSP) of the coherent OPM, the first signal and the second signal and extract the data from the first signal and the second signal; iii) computing, by the DSP, a first correlation between the data from the first signal and the data from the second digital signal; and iv) computing, by the DSP, a first gOSNR based on the first correlation.[French]
Les systèmes et les procédés de l'invention permettent de surveiller, par un dispositif de surveillance optique cohérent (OPM), le rapport signal sur bruit optique généralisé (gOSNR) d'un canal optique, le procédé comprenant les étapes suivantes : i) réception, par un port d'entrée de l'OPM cohérent, d'un premier signal et d'un second signal, le premier signal et le second signal comprenant les mêmes données, le premier signal étant un signal optique reçu en provenance du canal optique, et le premier signal étant affecté par un bruit ; ii) traitement, par un processeur de signal numérique (DSP) de l'OPM cohérent, du premier signal et du second signal et extraction des données du premier signal et du second signal ; iii) calcul, par le DSP, d'une première corrélation entre les données provenant du premier signal et les données provenant du second signal numérique ; et iv) calcul, par le DSP, d'un premier gOSNR sur la base de la première corrélation.