(19)

(11)

EP 4 817 233 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24896022.1 (22) Date of filing: 10.10.2024

(51) International Patent Classification (IPC):  H04L 5/00(2006.01) (52) Cooperative Patent Classification (CPC): H04L 5/0048; H04L 5/0023; H04L 5/005; H04L 5/0044 (86) International application number: PCT/CN2024/123925 (87) International publication number: WO 2025/112928 (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: 27.11.2023 US 202363602679 P 05.01.2024 US 202463617806 P (71) Applicant: MediaTek Inc. Hsinchu City 30078, Taiwan (TW)

(72) Inventors: YU, Chia-Hao Hsinchu City, Taiwan 30078 (TW) CHOU, Tzu-Han San Jose California 95134 (US) HWANG, Chien-Hwa Hsinchu City, Taiwan 30078 (TW) GUEY, Jiann-Ching Hsinchu City, Taiwan 30078 (TW) LIAO, Pei-Kai Hsinchu City, Taiwan 30078 (TW) CHEN, Yih-Shen Hsinchu City, Taiwan 30078 (TW) JAO, Chin-Kuo Hsinchu City, Taiwan 30078 (TW) (74) Representative: Haseltine Lake Kempner LLP  Cheapside House 138 Cheapside London EC2V 6BJ London EC2V 6BJ (GB)