RRC connection control method and apparatus, terminal and access network device

Patent metadata

Field	Value
Publication number	US-12402182-B2
Application number	US-201917762723-A
Country	US
Kind code	B2
Filing date	Sep 25, 2019
Priority date	Sep 25, 2019
Publication date	Aug 26, 2025
Grant date	Aug 26, 2025

Abstract

An RRC connection control method is provided. The method comprises: acquiring, by a terminal, a service indication in response to a service request, the service indication being used for indicating a service in which the access network device is capable of allocating resources; and on the basis of the service indication, determining whether to transmit a request for establishing an RRC connection to the access network device.

First claim

What is claimed is:

1. A Radio Resource Control (RRC) connection control method, comprising:
acquiring, by a terminal, a service indication in response to a service request, wherein the service indication indicates a service for which an access network device is capable of allocating resources; and
determining, by the terminal, whether to send a request for establishing an RRC connection to the access network device based on the service indication,
wherein the method further comprises:
determining a valid time of the service indication, wherein the valid time of the service indication dynamically varies with network load; and
determining whether to send the request for establishing the RRC connection to the access network device based on the service indication, in response to that the valid time of the service indication does not expire;
receiving at least one of the service indication and a valid time length of the service indication sent by the access network device,
wherein receiving at least one of the service indication and a valid time length of the service indication sent by the access network device comprises:
receiving a dedicated signaling sent by the access network device, wherein the dedicated signaling comprises at least one of the service indication and the valid time length of the service indication; or
receiving a broadcast signaling sent by the access network device, wherein the broadcast signaling comprises a service indication.

2. The method according to claim 1 , wherein determining whether to send a request for establishing an RRC connection to the access network device based on the service indication comprises:
acquiring service information of the service;
determining whether the service information of the service matches the service indication; and
sending the request for establishing the RRC connection to the access network device in response to that the service information of the service matches the service indication.

3. The method according to claim 2 , wherein the service information comprises quality of service information of the service, and the service indication indicates quality of service information of the service for which the access network device is capable of allocating resources.

4. The method according to claim 3 , wherein the service indication comprises a list of Proximity QOS Indicators (PQIs) or a list of QOS Flow Indicators (QFIs).

5. The method according to claim 1 , wherein the request for establishing the RRC connection comprises an RRC initiation reason, and the RRC initiation reason is for requesting service resources.

6. The method according to claim 1 , wherein the dedicated signaling comprises an RRC reconfiguration message or an RRC connection release message.

7. The method according to claim 1 , further comprising:
acquiring a default service indication, or acquiring a service indication applicable to any service in response to receiving no service indication;
acquiring a default valid time length, or acquiring the valid time length with an unlimited time length in response to receiving no valid time length.

8. The method according to claim 1 , further comprising:
deleting the service indication received from the access network device when a terminal reselects to another cell, in response to that the valid time of the service indication does not expire.

9. A Radio Resource Control (RRC) connection control method, comprising:
determining, by an access network device, a service that is capable of allocating resources based on network load; and
sending, by the access network device, a service indication, wherein the service indication indicates a service for which an access network device is capable of allocating resources,
wherein the method further comprises:
sending a dedicated signaling, wherein the dedicated signaling comprises a valid time of the service indication, wherein the valid time of the service indication dynamically varies with the network load;
sending at least one of the service indication and a valid time length of the service indication to a terminal,
wherein sending at least one of the service indication and a valid time length of the service indication to a terminal comprises:
sending a dedicated signaling sent to the terminal, wherein the dedicated signaling comprises at least one of the service indication and the valid time length of the service indication; or
sending a broadcast signaling sent to the terminal, wherein the broadcast signaling comprises a service indication.

10. The method according to claim 9 , wherein sending a service indication comprises:
sending a dedicated signaling, wherein the dedicated signaling comprises a service indication; or
sending a broadcast signaling, wherein the broadcast signaling comprises a service indication.

11. The method according to claim 10 , wherein the dedicated signaling comprises an RRC reconfiguration message or an RRC connection release message.

12. The method according to claim 9 , further comprising:
receiving a request for establishing an RRC connection, wherein the request for establishing an RRC connection comprises an RRC initiation reason, and the RRC initiation reason is for requesting service resources;
determining whether to establish an RRC connection based on the network load; and
sending an RRC connection rejection message in response to determining not to establish the RRC connection.

13. An RRC connection control apparatus, comprising:
a processor; and
a memory for storing executable instructions of the processor,
wherein, the processor is configured to:
acquire a service indication in response to a service request, wherein the service indication indicates a service for which an access network device is capable of allocating resources; and
determine whether to send a request for establishing an RRC connection to the access network device based on the service indication,
wherein the processor is further configured to:
determine a valid time of the service indication, wherein the valid time of the service indication dynamically varies with network load; and
determine whether to send the request for establishing the RRC connection to the access network device based on the service indication, in response to that the valid time of the service indication does not expire;
receive at least one of the service indication and a valid time length of the service indication sent by the access network device, wherein the processor is further configured to:
receive a dedicated signaling sent by the access network device, wherein the dedicated signaling comprises at least one of the service indication and the valid time length of the service indication; or
receive a broadcast signaling sent by the access network device, wherein the broadcast signaling comprises a service indication.

14. The apparatus according to claim 13 , wherein, the processor is further configured to:
acquire service information of the service;
determine whether the service information of the service matches the service indication;
send the request for establishing the RRC connection to the access network device in response to that the service information of the service matches the service indication.

15. The apparatus according to claim 13 , wherein, the processor is further configured to:
determine a valid time of the service indication; and
determine whether to send the request for establishing the RRC connection to the access network device based on the service indication, in response to that the valid time of the service indication does not expire.

Assignees

• Beijing Xiaomi Mobile Software Co Ltd

Inventors

• Yang Xing

Classifications

• H04W76/27

  Transitions between radio resource control [RRC] states · CPC title

• Y02D30/70

  in wireless communication networks · CPC title

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04W52/0209

  in terminal devices · CPC title

• H04W76/30

  Connection release · CPC title