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EP 4 578 122 A1

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(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 24769209.8 (22) Date of filing: 27.08.2024

(51) International Patent Classification (IPC):  H04B 10/272(2013.01) H04J 14/08(2006.01) H04J 14/02(2006.01) H04Q 11/00(2006.01) (52) Cooperative Patent Classification (CPC): H04B 10/272; H04Q 11/0067; H04J 14/0242 (86) International application number: PCT/US2024/043966 (87) International publication number: WO 2025/054040 (13.03.2025 Gazette 2025/11)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 05.09.2023 US 202363580693 P 10.10.2023 US 202318483829 (71) Applicant: Ciena Corporation Hanover, MD 21076 (US)	(72) Inventors: BOYD, Edward, Wayne Hanover, MD 21076 (US) LAUBACH, Mark, Edward Hanover, MD 21076 (US) HARLEY, James Ottawa, ON K2K 0L1 (CA) (74) Representative: Dehns  10 Old Bailey London EC4M 7NG London EC4M 7NG (GB)