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(11)

EP 4 817 338 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24898343.9 (22) Date of filing: 06.09.2024

(51) International Patent Classification (IPC):  H04W 72/04(2023.01) H04L 5/00(2006.01) (52) Cooperative Patent Classification (CPC): H04W 72/1268; H04L 5/0044; H04L 5/0094; H04L 1/08 (86) International application number: PCT/SG2024/050571 (87) International publication number: WO 2025/116816 (05.06.2025 Gazette 2025/23)

(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: 29.11.2023 SG 10202303385Y (71) Applicant: Panasonic Intellectual Property Corporation of America Torrance, CA 90504 (US)	(72) Inventors: TRAN, Xuan Tuong Singapore 469332 (SG) SUZUKI, Hidetoshi Kadoma-shi, Osaka 571- 8501 (JP) YAMAMOTO, Tetsuya Kadoma-shi, Osaka 571- 8501 (JP) KANG, Yang Singapore 469332 (SG) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)