- 专利标题： Device and Method of Handling a PDU Session in Inter-system Mobility between a LTE System and a NR/5G System
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申请号： US15865275申请日： 2018-01-09
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公开(公告)号： US20180199355A1公开(公告)日： 2018-07-12
- 发明人: Chih-Hsiang Wu
- 申请人： HTC Corporation
- 主分类号： H04W72/12
- IPC分类号： H04W72/12 ; H04W76/15 ; H04W36/00 ; H04L29/08
摘要：
A communication device for handling mobility between a new radio (NR)/fifth generation (5G) network and a long-term evolution (LTE) network comprises a storage device for storing instructions and a processing circuit coupled to the storage device. The processing circuit is configured to execute the instructions stored in the storage device. The instructions comprise connecting to the NR/5G network; communicating a Protocol Data Unit (PDU) Session identity/identifier (ID) identifying a PDU Session with the NR/5G network; communicating data of the PDU Session with the NR/5G network; disconnecting the NR/5G network, connect to the LTE network and performing a tracking area update (TAU) procedure with the LTE network; disconnecting the LTE network and connect to the NR/5G network, after performing the TAU procedure; and communicating the PDU Session ID identifying the PDU Session with the NR/5G network, when disconnecting the LTE network and connecting to the NR/5G network.