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(11)

EP 4 771 881 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 23953767.3 (22) Date of filing: 28.09.2023

(51) International Patent Classification (IPC):  H04W 4/44(2018.01) (52) Cooperative Patent Classification (CPC): H04W 4/44; H04L 67/12; G08G 5/26; G08G 5/57; G08G 5/55; G08G 5/22; G08G 5/21; G08G 5/32 (86) International application number: PCT/CN2023/122909 (87) International publication number: WO 2025/065623 (03.04.2025 Gazette 2025/14)

(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: KH MA MD TN (71) Applicant: ZTE Corporation Shenzhen, Guangdong 518057 (CN)	(72) Inventors: AI, Jianxun Shenzhen, Guangdong 518057 (CN) ZHANG, Mengjie Shenzhen, Guangdong 518057 (CN) LIU, Jing Shenzhen, Guangdong 518057 (CN) (74) Representative: Ziebig Hengelhaupt Intellectual Property Attorneys Patentanwaltskanzlei PartGmbB  Leipziger Straße 49 10117 Berlin 10117 Berlin (DE)