US 12,279,221 B2
Measure for changing PLMN
Sungduck Chun, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/629,717
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jul. 31, 2020, PCT No. PCT/KR2020/010140
§ 371(c)(1), (2) Date Jan. 24, 2022,
PCT Pub. No. WO2021/020933, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 10-2019-0093889 (KR), filed on Aug. 1, 2019.
Prior Publication US 2022/0272651 A1, Aug. 25, 2022
Int. Cl. H04W 60/04 (2009.01); H04W 48/18 (2009.01); H04W 60/06 (2009.01); H04W 84/04 (2009.01)
CPC H04W 60/04 (2013.01) [H04W 48/18 (2013.01); H04W 60/06 (2013.01); H04W 84/042 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of performing wireless communication by a user equipment (UE) comprising:
registering with a second Public Land Mobile Network (PLMN) and receiving a disaster roaming service from the second PLMN, based on a first PLMN being in a disaster condition;
receiving, from the second PLMN, an indication based on the disaster condition in the first PLMN being over;
performing a deregistration procedure with the second PLMN, based on the indication;
selecting the first PLMN; and
performing a registration procedure with the first PLMN.