(19)
(11) EP 4 200 997 A1

(12)

(43) Date of publication:
28.06.2023 Bulletin 2023/26

(21) Application number: 21770373.5

(22) Date of filing: 23.08.2021
(51) International Patent Classification (IPC): 
H04J 3/06(2006.01)
(52) Cooperative Patent Classification (CPC):
H04J 3/0664; H04J 3/0667
(86) International application number:
PCT/US2021/047094
(87) International publication number:
WO 2022/046607 (03.03.2022 Gazette 2022/09)
(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

(30) Priority: 24.08.2020 US 202017001204
24.08.2020 US 202017001255

(71) Applicant: Ciena Corporation
Hanover, MD 21076 (US)

(72) Inventors:
  • LIU, Xiaojin
    Ottawa (CA)
  • NARAGHI, Vahid
    San Jose, CA 95132 (US)
  • ABDULLAH, Bashar
    Ottawa (CA)
  • EVANS, David, James
    Ottawa (CA)
  • EARL, John Andrew
    Ottawa (CA)
  • PERRAS, Daniel Claude
    Ottawa (CA)

(74) Representative: Dehns 
St. Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) CARRYING A TIMESTAMP IN RADIO OVER ETHERNET