The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2026
Filed:
Oct. 17, 2023
Applicant:
Mediatek Inc., Hsin-Chu, TW;
Inventors:
Wan-Ting Huang, Hsinchu City, TW;
Tsan-Kuang Su, Hsinchu City, TW;
Assignee:
MEDIATEK INC., Hsinchu City, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 76/50 (2018.01); H04W 60/04 (2009.01); H04W 84/04 (2009.01);
U.S. Cl.
CPC ...
H04W 76/50 (2018.02); H04W 60/04 (2013.01); H04W 84/042 (2013.01);
Abstract
A method for disaster roaming includes initiating disaster roaming search by user equipment (UE) if one of following conditions occurs: the UE receives System Information Block (SIB) from a first Public Land Mobile Network (PLMN), the UE receives a message and/or an information element from the first PLMN indicating an occurrence of a disaster or availability of disaster roaming, and the UE determines out-of-service (OOS) from the first PLMN. The SIB includes at least one disaster roaming information element. The method further includes searching by the UE for a second PLMN to register.