US 12,336,049 B2
Network node, user equipment, and methods performed in a communication network
Afshin Abtin, Sollentuna (SE); and Ralf Keller, Würselen (DE)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 17/908,045
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Mar. 23, 2020, PCT No. PCT/SE2020/050303
§ 371(c)(1), (2) Date Aug. 30, 2022,
PCT Pub. No. WO2021/194398, PCT Pub. Date Sep. 30, 2021.
Prior Publication US 2023/0089553 A1, Mar. 23, 2023
Int. Cl. H04W 76/50 (2018.01); H04W 4/90 (2018.01); H04W 48/18 (2009.01)
CPC H04W 76/50 (2018.02) [H04W 4/90 (2018.02); H04W 48/18 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method performed by a user equipment, UE, for handling a service in a wireless communication network, the method comprising:
upon handling an emergency service, performing a connection to a second cell of a second radio access technology, RAT, for handling the emergency service;
performing the emergency service in the second cell of the second RAT;
staying connected in the second cell of the second RAT for a time interval relating to initiation of the emergency service or finalization of the emergency service; and
receiving, from a network node, an indication indicating a status of an emergency connection to the second cell of the second RAT for the UE and/or an end of the emergency service.