(19)
(11) EP 4 335 049 A1

(12)

(43) Date of publication:
13.03.2024 Bulletin 2024/11

(21) Application number: 21729495.8

(22) Date of filing: 27.05.2021
(51) International Patent Classification (IPC): 
H04B 10/079(2013.01)
H04J 14/02(2006.01)
(52) Cooperative Patent Classification (CPC):
H04B 10/0795; H04B 10/07953; H04B 10/07955; H04B 10/0797; H04J 14/0201
(86) International application number:
PCT/EP2021/064287
(87) International publication number:
WO 2022/248053 (01.12.2022 Gazette 2022/48)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: Huawei Technologies Co., Ltd.
LonggangShenzhen, Guangdong 518129 (CN)

(72) Inventors:
  • FERNANDEZ DE JAUREGUI RUIZ, Ivan
    80992 Munich (DE)
  • POINTURIER, Yvan
    80992 Munich (DE)
  • MORETTE, Nathalie
    80992 Munich (DE)

(74) Representative: Isarpatent 
Patent- und Rechtsanwälte Barth Hassa Peckmann & Partner mbB Friedrichstraße 31
80801 München
80801 München (DE)

   


(54) METHOD OF OPTICAL PERFORMANCE MONITORING IN AN OPTICAL NETWORK