IP Library › Granted Patent US 12,696,075
Granted Patent B2
US 12,696,075 · App. 17/320,545 · Granted Jul 28, 2026

Method for obtaining capability information of terminal, apparatus, and system

Inventors: Haiyang Sun (Beijing, CN); Yizhuang Wu (Beijing, CN)
Assignee: Huawei Technologies Co., Ltd.
H04W8/24H04W48/16H04W48/20H04W60/04H04W76/11
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Quick Facts
Patent No.
US 12,696,075
App. No.
17/320,545
Granted
Jul 28, 2026
Kind
B2
Abstract

Example methods and apparatus for obtaining capability information of a terminal are described. One example method includes sending capability information of a terminal by a second policy control network element to a data management network element in advance for storage, so that a first policy control network element may obtain the capability information of the terminal from the data management network element.

Claims (43)

1 . A method for obtaining capability information of a terminal, comprising:

receiving, by a data management network element from a second policy control network element, capability information of a terminal, wherein the capability information of the terminal comprises an identifier of an operating system of the terminal, wherein the second policy control network element serves the terminal in an initial registration procedure;

sending, by a first policy control network element, a request to the data management network element, wherein the request is for obtaining the capability information of the terminal, and wherein the first policy control network element is a policy control network element that currently serves the terminal, and the first policy control network element and the second policy control network element are in a same public land mobile network; and

receiving, by the first policy control network element from the data management network element, the identifier of the operating system of the terminal for determining policy information that corresponds to the operating system of the terminal, wherein the policy information comprises a user equipment (UE) route selection policy and an access network discovery and selection policy corresponding to the operating system.

2 . The method according to claim 1 , wherein the capability information of the terminal comprises an indication of terminal support for an access network discovery and selection policy.

3 . The method according to claim 1 , wherein the second policy control network element is a policy control network element that serves the terminal before movement of the terminal.

4 . The method according to claim 1 , wherein the method further comprises:

determining, by the first policy control network element, policy information of the terminal based on the capability information of the terminal; and

sending, by the first policy control network element, the policy information to the terminal.

5 . The method according to claim 1 , wherein the method further comprises:

storing, by the data management network element, the capability information of the terminal in a local data structure, wherein a data set field corresponding to the capability information of the terminal is policy data.

6 . A system for obtaining capability information of a terminal, comprising:

a data management network element, configured to receive capability information of a terminal from a second policy control network element, wherein the capability information of the terminal comprises an identifier of an operating system of the terminal, and wherein the second policy control network element serves the terminal in an initial registration procedure; and

a first policy control network element, configured to send a request to the data management network element, wherein the request is for obtaining the capability information of the terminal, and wherein the first policy control network element is a policy control network element that currently serves the terminal, and the first Policy control network element and the second policy control network element are in a same public land mobile network;

wherein the data management network element is further configured to:

receive the request; and

send the capability information of the terminal to the first policy control network element, wherein the identifier of the operating system of the terminal received by the first policy control network element is used for determining policy information that corresponds to the operating system of the terminal, wherein the policy information comprises a user equipment (UE) route selection policy and an access network discovery and selection policy corresponding to the operating system.

7 . The system according to claim 6 , wherein the second policy control network element is a policy control network element that serves the terminal in the initial registration procedure.

8 . The system according to claim 6 , wherein the second policy control network element is a policy control network element that serves the terminal before movement of the terminal.

9 . The system according to claim 6 , wherein the capability information of the terminal comprises an indication of terminal support for an access network discovery and selection policy.

10 . The system according to claim 6 , wherein the first policy control network element is further configured to:

determine policy information of the terminal based on the capability information of the terminal; and

send the policy information to the terminal.

11 . The system according to claim 6 , wherein the data management network element is further configured to:

store the capability information of the terminal in a local data structure, wherein a data set field corresponding to the capability information of the terminal is policy data.

12 . An apparatus, comprising:

at least one processor; and

one or more memories coupled to the at least one processor and storing instructions for execution by the at least one processor to:

receive, from a second policy control network element, capability information of a terminal, wherein the capability information of the terminal comprises an identifier of an operating system of the terminal, wherein the second policy control network element serves the terminal in an initial registration procedure;

receive a request from a first policy control network element, wherein the request is for obtaining the capability information of the terminal, and wherein the first policy control network element is a policy control network element that currently serves the terminal, and the first policy control network element and the second policy control network element are in a same public land mobile network; and

send, to the first policy control network element, the capability information of the terminal for determining policy information based on the capability information of the terminal;

wherein the identifier of the operating system of the terminal received by the first policy control network element is used for determining policy information that corresponds to the operating system of the terminal, wherein the policy information comprises a user equipment (UE) route selection policy and an access network discovery and selection policy corresponding to the operating system.

13 . The apparatus according to claim 12 , wherein the one or more memories store the instructions for execution by the at least one processor further to:

store the capability information of the terminal in a local data structure, wherein a data set field corresponding to the capability information of the terminal is policy data.

14 . The apparatus according to claim 12 , wherein the capability information of the terminal comprises an indication of terminal support for an access network discovery and selection policy.

15 . A method for obtaining capability information of a terminal, comprising:

receiving, by a data management network element from a second policy control network element, capability information of a terminal, wherein the capability information of the terminal comprises an identifier of an operating system of the terminal, wherein the second policy control network element serves the terminal in an initial registration procedure;

receiving, by the data management network element, a request from a first policy control network element, wherein the request is for obtaining the capability information of the terminal, and wherein the first policy control network element is a policy control network element that currently serves the terminal, and the first Policy control network element and the second policy control network element are in a same public land mobile network; and

sending, by the data management network element to the first policy control network element, the capability information of the terminal for determining policy information based on the capability information of the terminal;

wherein the identifier of the operating system of the terminal received by the first policy control network element is used for determining policy information that corresponds to the operating system of the terminal, wherein the policy information comprises a user equipment (UE) route selection policy and an access network discovery and selection policy corresponding to the operating system.

16 . The method according to claim 15 , further comprising:

storing, by the data management network element, the capability information of the terminal in a local data structure, wherein a data set field corresponding to the capability information of the terminal is policy data.

17 . The method according to claim 15 , wherein the capability information of the terminal comprises an indication of terminal support for an access network discovery and selection policy.