(19)
(11) EP 4 248 608 A1

(12)

(43) Date of publication:
27.09.2023 Bulletin 2023/39

(21) Application number: 20815738.8

(22) Date of filing: 23.11.2020
(51) International Patent Classification (IPC): 
H04L 9/08(2006.01)
(52) Cooperative Patent Classification (CPC):
H04L 9/0858
(86) International application number:
PCT/EP2020/083068
(87) International publication number:
WO 2022/106036 (27.05.2022 Gazette 2022/21)
(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: Telefonaktiebolaget LM Ericsson (publ)
164 83 Stockholm (SE)

(72) Inventors:
  • CAVALIERE, Fabio
    56100 Pisa (IT)
  • FORESTIERI, Enrico
    56100 Pisa (IT)
  • SECONDINI, Marco
    56100 Pisa (IT)

(74) Representative: Ericsson 
Patent Development Torshamnsgatan 21-23
164 80 Stockholm
164 80 Stockholm (SE)

   


(54) QUANTUM KEY DISTRIBUTION TRANSMITTER, RECEIVER AND METHOD