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1. (WO2018101574) METHOD FOR USING PS DATA OFF FUNCTION AND USER EQUIPMENT

Pub. No.:    WO/2018/101574    International Application No.:    PCT/KR2017/008209
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Tue Aug 01 01:59:59 CEST 2017
IPC: H04W 76/06
H04W 76/04
Applicants: LG ELECTRONICS INC.
엘지전자 주식회사
Inventors: KIM, Jaehyun
김재현
KIM, Laeyoung
김래영
Title: METHOD FOR USING PS DATA OFF FUNCTION AND USER EQUIPMENT
Abstract:
One disclosure of the present specification provides a method for using packet switching (PS) data off function in user equipment (UE). The method can comprise the steps of: determining whether a session management (SM) delay time timer or a mobility management (MM) delay time timer is being operated, in a state in which the transmission of a non-access stratum (NAS) request message for an SM is required according to a request for the activation or the inactivation of the PS data off function; and, according to the result of the determination, allowing an NAS layer of the UE to include activation or inactivation state information of the PS data off function in the NAS request message for an SM and transmit the same.