公开(公告)号：US20190104425A1

公开(公告)日：2019-04-04

申请号：US16146626

申请日：2018-09-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Bokkeun KIM ,  Jaehyun PARK ,  Weyoung YOON ,  Sujeong LEE ,  Sungmo JUNG ,  Hangsuk HUH ,  Kyupyo HONG

IPC: H04W24/04 ,  H04W76/34 ,  H04W76/18 ,  H04W76/19

Abstract: The present disclosure relates to a method and an apparatus for managing a PDN connection by inducing, by a node, a terminal to autonomously recover a failure situation or detecting the corresponding terminal when the terminal is not capable of generating or maintaining the PDN connection in a wireless communication system and the method of the present disclosure includes: detecting, by a node, a terminal in which a failure occurs in a PDN connection; and transmitting a detach request message to the terminal in which the failure occurs.

公开(公告)号：US20190104390A1

公开(公告)日：2019-04-04

申请号：US16078483

申请日：2017-02-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongkyu LEE ,  Hangsuk HUH

IPC: H04W4/14 ,  H04W88/18 ,  H04W60/06 ,  H04W88/14 ,  H04W88/02 ,  H04W8/08 ,  H04W76/19 ,  H04W64/00

Abstract: The present disclosure provides a short message service (SMS) in a mobile communication system, to thus guarantee continuity of the SMS service. According to an embodiment of the present disclosure, an operating method of a control node for providing a message service in a mobile communication system includes receiving a message from a user equipment (UE) or a message delivery center, determining an active or inactive state of the message service using a first interface, and if the message service using the first interface is disabled, transmitting detach request information for re-attach of the UE to the UE.