US 11,856,501 B2
Systems and methods for user plane path selection, reselection, and notification of user plane changes
Xu Li, Nepean (CA); Ngoc Dung Dao, Ottawa (CA); and Jaya Rao, Ottawa (CA)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed on May 27, 2022, as Appl. No. 17/827,049.
Application 17/827,049 is a continuation of application No. 16/943,094, filed on Jul. 30, 2020, granted, now 11,350,336.
Application 16/943,094 is a continuation of application No. 15/627,015, filed on Jun. 19, 2017, granted, now 10,785,696.
Claims priority of provisional application 62/375,198, filed on Aug. 15, 2016.
Claims priority of provisional application 62/356,993, filed on Jun. 30, 2016.
Claims priority of provisional application 62/352,857, filed on Jun. 21, 2016.
Prior Publication US 2022/0295373 A1, Sep. 15, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 40/02 (2009.01); H04L 41/0816 (2022.01); H04L 45/02 (2022.01); H04L 9/40 (2022.01); H04W 12/06 (2021.01); H04W 28/08 (2023.01); H04W 40/34 (2009.01); H04L 12/46 (2006.01); H04L 41/046 (2022.01); H04W 40/36 (2009.01); H04W 12/08 (2021.01); H04W 28/088 (2023.01); H04L 43/0811 (2022.01)
CPC H04W 40/02 (2013.01) [H04L 41/0816 (2013.01); H04L 45/02 (2013.01); H04L 63/102 (2013.01); H04W 12/06 (2013.01); H04W 12/08 (2013.01); H04W 28/08 (2013.01); H04W 40/34 (2013.01); H04L 12/4604 (2013.01); H04L 41/048 (2013.01); H04L 43/0811 (2013.01); H04W 28/088 (2023.05)] 17 Claims
OG exemplary drawing
 
1. A method comprising:
receiving, by a policy control function (PCF) from a network function, a subscription of the network function to a notification indicative of a user plane (UP) path change;
enforcing, by the PCF, a session management function (SMF) to notify the network function of a UP path change according to a configuration specifying how to generate the notification indicative of a UP path change.