(19)

(11)

EP 4 817 202 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24898392.6 (22) Date of filing: 26.02.2024

(51) International Patent Classification (IPC):  H04B 7/06(2006.01) H04B 17/373(2015.01) H04W 72/21(2023.01) H04L 5/00(2006.01) (52) Cooperative Patent Classification (CPC): H04B 17/373; H04L 5/005; H04L 5/0057; H04B 7/0658 (86) International application number: PCT/US2024/017212 (87) International publication number: WO 2025/116946 (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: 30.11.2023 IN 202341081613 (71) Applicant: Rakuten Symphony, Inc. Tokyo 158-0094 (JP)	(72) Inventors: CHANDRASHEKAR, Subramanya Tokyo 158--0094 (JP) RAMAKRISHNA, Raghavendra Madanahally Tokyo 158--0094 (JP) (74) Representative: Betten & Resch  Patent- und Rechtsanwälte PartGmbB Maximiliansplatz 14 80333 München 80333 München (DE)