US 11,950,199 B2
Network node and method performed therein for controlling transmission
Debashish Pattnaik, Shanghai (CN); Liangliang Guo, Shanghai (CN); Songmao Li, Shanghai (CN); and Erqun Sun, Shanghai (CN)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 17/594,529
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Apr. 24, 2019, PCT No. PCT/CN2019/084018
§ 371(c)(1), (2) Date Oct. 21, 2021,
PCT Pub. No. WO2020/215230, PCT Pub. Date Oct. 29, 2020.
Prior Publication US 2022/0201641 A1, Jun. 23, 2022
Int. Cl. H04W 60/04 (2009.01); H04W 60/00 (2009.01)
CPC H04W 60/005 (2013.01) 18 Claims
OG exemplary drawing
 
1. A method performed by a network node for handling a communication session in a wireless communication network, the method comprising
receiving from a user equipment (UE) a registration message for re-registering the UE to a session;
verifying the registration message based on registration information previously stored for the UE; and
in response to the receiving and verifying the registration message, transmitting back to the UE, a registration response along with a terminating request for a call establishment.