ROAMING SERVICE FOR A CLIENT DEVICE IN CASE OF A FAILURE CONDITION - Patent 4740521

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EP 4 740 521 A1

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(43)	Date of publication:
	13.05.2026 Bulletin 2026/20

(21)	Application number: 23945455.6

(22)	Date of filing: 19.07.2023

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International Patent Classification (IPC):

H04W 8/26^(2009.01)

(52)	Cooperative Patent Classification (CPC):
	H04W 48/02; H04W 48/12; H04W 36/22

(86)	International application number:
	PCT/CN2023/108188

(87)	International publication number:
	WO 2025/015563 (23.01.2025 Gazette 2025/04)

(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: Huawei Technologies Co., Ltd.
	Shenzhen, Guangdong 518129 (CN)

(72)	Inventors:
	MOPIDEVI, Rama Kumar 80992 Duesseldorf (DE) PREMAN, Vishnu Shenzhen, Guangdong 518129 (CN) LI, Bingzhao Shenzhen, Guangdong 518129 (CN) QIANG, Li Shenzhen, Guangdong 518129 (CN) ZHANG, Tingrui Shenzhen, Guangdong 518129 (CN)

(74)	Representative: Goddar, Heinz J.
	Boehmert & Boehmert Anwaltspartnerschaft mbB Pettenkoferstrasse 22 80336 München 80336 München (DE)

(54)	ROAMING SERVICE FOR A CLIENT DEVICE IN CASE OF A FAILURE CONDITION