US 11,956,750 B2
Communication method for controlling packet data unit session
Zhijun Li, Shenzhen (CN); Xingyue Zhou, Shenzhen (CN); and Jinguo Zhu, Shenzhen (CN)
Assigned to ZTE Corporation, Shenzhen (CN)
Filed by ZTE CORPORATION, Guangdong (CN)
Filed on Jun. 24, 2022, as Appl. No. 17/848,904.
Application 17/848,904 is a continuation of application No. PCT/CN2019/128146, filed on Dec. 25, 2019.
Prior Publication US 2022/0400460 A1, Dec. 15, 2022
Int. Cl. H04W 60/04 (2009.01); H04W 60/06 (2009.01); H04W 76/30 (2018.01)
CPC H04W 60/04 (2013.01) [H04W 60/06 (2013.01); H04W 76/30 (2018.02)] 12 Claims
OG exemplary drawing
 
1. A wireless communication method for use in a unified data management (UDM) function, comprising:
receiving, from a first session management function (SMF), a registration request of a packet data unit (PDU) session corresponding to a second SMF, and
transmitting, to the second SMF, a notification which indicates the PDU session is controlled by another SMF,
wherein the notification indicates the second SMF to release the PDU session,
wherein the notification relates to an SMF registration event associated to the PDU session and comprises an identification (ID) of the PDU session, a data network name (DNN), an ID of the first SMF.