Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD AND DEVICE FOR SWITCHING
Document Type and Number:
WIPO Patent Application WO/2019/158040
Kind Code:
A1
Abstract:
The present application provides a method and device for switching, the method comprises: a first control plane function network element determines at least one bearer needed to be established by a terminal when the protocol data unit (PDU) session in a first network is switched to the packet data network (PDN) connection in a second network; and the first control plane function network element acquires tunnel information of the PDN connection, wherein the tunnel information of the PDN connection comprises user plane tunnel information corresponding to each bearer in the at least one bearer. The method and device for switching provided by the present application can avoid data loss during network switching, thereby ensuring a normal data transmission.

Inventors:
ZONG ZAIFENG (CN)
ZHU FENQIN (CN)
Application Number:
PCT/CN2019/074825
Publication Date:
August 22, 2019
Filing Date:
February 12, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04W36/00; H04W36/14; H04W36/16
Foreign References:
CN107018542A2017-08-04
US20180020386A12018-01-18
CN201810152399A2018-02-14
Other References:
HUAWEI ET AL.: "Update Handover Procedures in Clause 4.11.1.2", 3GPP TSG-SA WG2 MEETING #125 S2-180794, 26 January 2018 (2018-01-26), pages 1 - 15, XP051382475
"Clarifications on EPS to 5GS Handover Procedure Using N26", 3GPP TSG-SA WG2 MEETING #125 S2-180811, 26 January 2018 (2018-01-26), pages 1 - 5, XP051390214
See also references of EP 3751898A4
Download PDF: