US 12,144,045 B2
Methods providing dual connectivity for redundant user plane paths and related network nodes
György Miklós, Pilisborosjenö (HU); János Farkas, Kecskemét (HU); Joachim Sachs, Sollentuna (SE); and Balázs Varga, Budapest (HU)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Filed on Aug. 25, 2022, as Appl. No. 17/895,332.
Application 17/895,332 is a continuation of application No. 16/957,151, granted, now 11,477,833, previously published as PCT/IB2017/058517, filed on Dec. 29, 2017.
Prior Publication US 2023/0007715 A1, Jan. 5, 2023
Int. Cl. H04W 4/00 (2018.01); H04W 76/15 (2018.01); H04W 76/25 (2018.01); H04W 92/10 (2009.01)
CPC H04W 76/15 (2018.02) [H04W 76/25 (2018.02); H04W 92/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of operating a wireless terminal, UE, in a wireless communication network, the method comprising:
providing information to the wireless communication network that at least two protocol data unit, PDU, sessions established or to be established for the UE are to be handled redundantly via dual connectivity, DC, wherein the information is encoded into a data network name, DNN, and includes an indication of a plurality of the at least two PDU sessions;
triggering establishment of the at least two PDU sessions for the UE; and
wherein one of the at least two PDU sessions is established via a first NodeB base station in a radio access network, RAN, of the wireless communication network and a first user plane function, UPF, entity, and another one of the at least two PDU sessions is established via a second NodeB base station in the RAN of the wireless communication network and a second UPF entity.