The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 09, 2024

Filed:

Aug. 09, 2021
Applicant:

Huawei Technologies Co., Ltd., Shenzhen, CN;

Inventors:

Dekui Sun, Shenzhen, CN;

Han Zhou, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/12 (2009.01); H04W 36/00 (2009.01);
U.S. Cl.
CPC ...
H04W 36/0016 (2013.01); H04W 36/12 (2013.01);
Abstract

A service continuity implementation method, a device, and a service continuity implementation system, to ensure service continuity in a handover process, where the method includes: selecting, by a session management function entity, a target user plane function entity to serve a terminal; sending, by the session management function entity, a first message to a control device; receiving, by the session management function entity, indication information of a first application server (AS) from the control device; and sending, by the session management function entity, a first routing rule to the target user plane function entity based on the indication information of the first AS, where the first routing rule specifies that data whose destination address is an address of the first AS is to be sent to the first AS.


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