US 11,968,748 B2
Signaling of radio capability information between a radio node and an access and mobility management function AMF node
Christofer Lindheimer, Vadstena (SE); Paul Schliwa-Bertling, Ljungsbro (SE); and Mikael Wass, Sätila (SE)
Assigned to Telefonaktiebolaget LM Ericsson (Publ), Stockholm (SE)
Appl. No. 17/294,834
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Oct. 31, 2019, PCT No. PCT/SE2019/051101
§ 371(c)(1), (2) Date May 18, 2021,
PCT Pub. No. WO2020/106200, PCT Pub. Date May 28, 2020.
Claims priority of provisional application 62/769,684, filed on Nov. 20, 2018.
Prior Publication US 2022/0014902 A1, Jan. 13, 2022
Int. Cl. H04W 8/24 (2009.01)
CPC H04W 8/24 (2013.01) 16 Claims
OG exemplary drawing
 
1. A method performed by a network node, for handling User Equipment (UE) capabilities of a UE in a wireless communications network, the method comprising:
sending, to an Access and Mobility management Function (AMF) node, a first indication indicating whether or not the network node has capabilities to store UE capabilities associated with a capability identity of the UE (UE capability ID);
receiving, from the AMF node, a second indication indicating whether or not UE capabilities associated with the UE capability ID are available in the AMF node;
deciding whether explicit UE capabilities associated with the UE capability ID shall be retrieved from the UE or the AMF node based on the received second indication; and
receiving, from the AMF node, explicit UE capabilities associated with the UE capability ID, according to any one out of:
when the first indication indicates that the network node has not capabilities to store UE capabilities associated with the UE capability ID, and when the second indication indicates that UE capabilities associated with the UE capability ID are available in the AMF node; or
when the first indication indicates that the network node has capabilities to store UE capabilities associated with the UE capability ID, and when the second indication indicates that UE capabilities associated with the UE capability ID are available in the AMF node, and when the UE capabilities associated with the UE Capability ID is not available in the network node.