US 12,464,330 B2
Device and method for providing emergency call service in wireless communication network
Kyungjoo Suh, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Oct. 24, 2022, as Appl. No. 17/971,888.
Claims priority of application No. 10-2021-0147155 (KR), filed on Oct. 29, 2021.
Prior Publication US 2023/0133387 A1, May 4, 2023
Int. Cl. H04W 4/90 (2018.01); H04W 8/02 (2009.01); H04W 8/26 (2009.01); H04W 16/16 (2009.01); H04W 76/50 (2018.01); H04W 84/10 (2009.01)
CPC H04W 4/90 (2018.02) [H04W 8/02 (2013.01); H04W 8/26 (2013.01); H04W 16/16 (2013.01); H04W 76/50 (2018.02); H04W 84/105 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method by a user equipment (UE) configured to perform an emergency call in a non-public network, the method comprising:
receiving, from an access and mobility management function (AMF), information related to at least one supported non-public network and information indicating whether the at least one supported non-public network supports the emergency call;
transmitting, to the AMF, a registration request message including information indicating that the UE requests an emergency call service in the non-public network;
receiving, from the AMF, a registration accept message including an emergency call number;
identifying whether the registration accept message includes information indicating that the non-public network supports the emergency call service; and
performing the emergency call in the non-public network based on a result of the identification,
wherein the registration request message includes at least one of public warning system (PWS) priority indication information or UE-stand-alone non-public network (UE-SNPN) version information, and
wherein the registration accept message includes at least one of emergency type or valid information indicating whether a call number is valid.