US 12,231,393 B2
IP address allocation in a wireless communication network
Yingjiao He, Shanghai (CN); Yunjie Lu, Shanghai (CN); Yong Yang, Kållered (SE); and Wen Zhang, Shanghai (CN)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 17/927,201
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed May 20, 2021, PCT No. PCT/CN2021/094869
§ 371(c)(1), (2) Date Nov. 22, 2022,
PCT Pub. No. WO2021/233375, PCT Pub. Date Nov. 25, 2021.
Claims priority of application No. PCT/CN2020/091899 (WO), filed on May 22, 2020.
Prior Publication US 2023/0208804 A1, Jun. 29, 2023
Int. Cl. H04L 45/74 (2022.01); H04L 61/5007 (2022.01); H04L 61/5061 (2022.01)
CPC H04L 61/5007 (2022.05) [H04L 61/5061 (2022.05)] 18 Claims
OG exemplary drawing
 
1. A method performed by a user plane core network function for a wireless communication network, the user plane core network function being configured with a range of Internet Protocol, IP, addresses for allocation to user equipments, UEs, the method comprising:
if a proportion of the IP addresses that are occupied exceeds a threshold, transmitting a message to a control plane core network function, the message comprising an indication of a usage level of the range of IP addresses.