	US 12,156,025 B2
	Radio network node, network node and methods for setting up a secure connection to the user equipment (UE)
Lars-Bertil Olsson, Angered (SE); Josefin Karlsson, Torslanda (SE); Christer Gustafsson, Huddinge (SE); and Peter Ramle, Mölnlycke (SE)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 17/295,269
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Nov. 15, 2019, PCT No. PCT/SE2019/051161 § 371(c)(1), (2) Date May 19, 2021, PCT Pub. No. WO2020/106204, PCT Pub. Date May 28, 2020.
Claims priority of provisional application 62/769,022, filed on Nov. 19, 2018.
Prior Publication US 2022/0007183 A1, Jan. 6, 2022
Int. Cl. H04W 12/0431 (2021.01); H04L 1/1607 (2023.01); H04W 12/106 (2021.01)

CPC H04W 12/0431 (2021.01) [H04L 1/1664 (2013.01); H04W 12/106 (2021.01)]

7 Claims

1. A method performed by a network node for handling a communication of a user equipment, UE, in a wireless communication network, the method comprising:

transmitting, to a radio network node associated with the UE, a request message indicating a request for capability data for the UE,

wherein the request message comprises a security indication, wherein the security indication indicates data for setting up a secure connection to the UE,

wherein the request message is a match request requesting a response indicating whether voice over packet switched communication is supported by the UE or the radio network node; and

receiving, from the radio network node associated with the UE, a UE capability match response having a voice support match indicator indicating whether or not the voice over packet switched communication is supported by the UE;

wherein the security indication comprises one or more security keys and/or a UE Security Capability, and wherein the request message is a UE Capability check request message.