(19)

(11)

EP 4 578 159 A1

(12)

(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 22963014.0 (22) Date of filing: 25.10.2022

(51) International Patent Classification (IPC):  H04L 27/26(2006.01) (52) Cooperative Patent Classification (CPC): H04L 27/2603 (86) International application number: PCT/CN2022/127436 (87) International publication number: WO 2024/087027 (02.05.2024 Gazette 2024/18)

(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: Sanechips Technology Co., Ltd. Shenzhen, Guangdong 518055 (CN)	(72) Inventor: SUN, Bo Shenzhen, Guangdong 518055 (CN) (74) Representative: Savi, Massimiliano et al Notarbartolo & Gervasi S.p.A. Viale Achille Papa, 30 20149 Milano 20149 Milano (IT)