POLICY CONTROL METHOD, DEVICE AND SYSTEM

WIPO Patent Application WO/2019/218762

A1

A policy control method, device and system. The method comprises: when a policy control network element receives an update request message sent by a first mobility management network element, updating, according to the update request message, information of a second mobility management network element in information associated with a policy corresponding to a terminal stored in the policy control network element, with information of the first mobility management network element, wherein the information of the first mobility management network element is carried in the update request massage. The policy control network element directly updates information of a second mobility management network element in information associated with a policy corresponding to a terminal with information of a first mobility management network element without having to delete said information first and then re-establish a policy association with the first mobility management network element, thus saving the resource overhead for policy control.

ZONG ZAIFENG (CN)
SHI SHUFENG (CN)

PCT/CN2019/077507

November 21, 2019

March 08, 2019

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HUAWEI TECH CO LTD (CN)

H04W36/12; H04W8/02

CN101426243A	2009-05-06
CN201810469248A	2018-05-16

ANONYMOUS: "3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Procedures for the 5G System; Stage 2 (Release 15)", 3GPP STANDARD; TECHNICAL SPECIFICATION; 3GPP TS 23.502, no. V15.1.0, 27 March 2018 (2018-03-27), pages 1 - 285, XP051450527
ERICSSON: "Alignment of terminology and general cleanup", 3GPP DRAFT S2-182630, 2 March 2018 (2018-03-02), Montreal Canada , pages 1 - 100, XP051531913
See also references of EP 3745774A4

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