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:
Jan. 27, 2026
Filed:
Jul. 09, 2021
Lg Electronics Inc., Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A method and apparatus for notifying of a disaster situation by a radio access network (RAN) node. When the RAN node detects that a problem in an interface between the RAN node and a core network related to a public land mobile network (PLMN) has occurred, the RAN node stops transmitting a broadcast message currently being transmitted to a user equipment (UE), and transmits a disaster broadcast message to the UE. The disaster broadcast message includes: (i) information indicating that a disaster condition applies to a first PLMN; and (ii) information regarding a second PLMN related to the disaster condition. The disaster condition corresponds to the problem in the interface between the RAN node and the core network related to the first PLMN. The UE adjusts priorities of an PLMN selection based on information included in the disaster broadcast message for selecting the second PLMN.