公开(公告)号：US20200275305A1

公开(公告)日：2020-08-27

申请号：US16795421

申请日：2020-02-19

Applicant: MEDIATEK INC.

Inventor： Chien-Chun HUANG-FU ,  Yu-Chieh TIEN ,  Chi-Hsien CHEN ,  Shang-Ru MO

IPC: H04W28/02 ,  H04W28/12 ,  H04W76/25 ,  H04W80/10

Abstract: A method can include receiving a non-access stratum (NAS) message for establishing or modifying a protocol data unit (PDU) session at a user equipment (UE) from a core network, determining whether there is a quality of service (QoS) flow description resulting from the establishment or modification of the PDU session that is associated with a guaranteed bit rate (GBR) QoS flow of the PDU session, and invalid, and when it is determined that there is the invalid QoS flow description associated with the GBR QoS flow of the PDU session, performing an error handling operation.