Network congestion control method, device, and system

Patent metadata

Field	Value
Publication number	US-11075841-B2
Application number	US-201916585848-A
Country	US
Kind code	B2
Filing date	Sep 27, 2019
Priority date	Mar 31, 2017
Publication date	Jul 27, 2021
Grant date	Jul 27, 2021

Abstract

Embodiments of this application provide a network congestion control method, a device, and a system, to dynamically control camping or handover of a user based on a user type, a service type, and a user location, thereby controlling congestion. A network device dynamically configures a grouped RFSP of a user based on information such as access network user plane congestion information without a need to modify subscription information of UE, selects, based on a user type and a service type, different networks/frequency bands/cells to control camping or handover, and instructs, by identifying a cell location, the user to select a frequency, to control congestion or the like.

First claim

The invention claimed is:

1. A network congestion control method, comprising:
obtaining, by a network device from a radio access network congestion awareness function, congestion information of a radio access network (RAN) corresponding to user equipment (UE), wherein the congestion information of the RAN comprises user plane congestion information of the RAN in which congestion occurs;
configuring, by the network device, a radio access technology/frequency selection priority (RFSP) of the UE based on the congestion information of the RAN; and
sending, by the network device to the RAN, a selection priority identifier corresponding to the RFSP, wherein the selection priority identifier is for performing access control on the UE based on the selection priority identifier;
wherein the network device is a policy and charging rules function.

2. The method according to claim 1 , wherein the configuring, by the network device, the RFSP of the UE based on the congestion information of the RAN comprises:
adjusting, by the network device, the RFSP of the UE based on the user plane congestion information and subscription information of the UE.

3. The method according to claim 1 , wherein the congestion information of the RAN further comprises a network congestion level list.

4. An apparatus, comprising:
at least one processor; and
a memory, storing computer instructions, which when executed by the at least one processor, enable the apparatus to perform the following operations:
obtaining, from a radio access network congestion awareness function, congestion information of a radio access network (RAN) corresponding to user equipment (UE), wherein the congestion information of the RAN comprises user plane congestion information of the RAN in which congestion occurs;
configuring a radio access technology/frequency selection priority (RFSP) of the UE based on the congestion information of the RAN; and
sending, to the RAN, a selection priority identifier corresponding to the RFSP, wherein the selection priority identifier is for performing access control on the UE based on the selection priority identifier;
wherein the apparatus is a policy and charging rules function.

5. The apparatus according to claim 4 , wherein the configuring the RFSP of the UE based on the congestion information of the RAN comprises:
adjusting the RFSP of the UE based on the user plane congestion information and subscription information of the UE.

6. The apparatus according to claim 4 , wherein the congestion information of the RAN further comprises a network congestion level list.

7. A system, comprising:
an apparatus; and
a radio access network (RAN), wherein the apparatus comprises:
at least one processor; and
a memory, storing computer instructions, which when executed by the at least one processor, enable the apparatus to perform the following operations:
obtaining, from a radio access network congestion awareness function, congestion information of the RAN corresponding to user equipment (UE), wherein the congestion information of the RAN comprises user plane congestion information of the RAN in which congestion occurs;
configuring a radio access technology/frequency selection priority (RFSP) of the UE based on the congestion information of the RAN; and
sending, to the RAN, a selection priority identifier corresponding to the RFSP, wherein the selection priority identifier is for performing access control on the UE based on the selection priority identifier.

8. The system according to claim 7 , wherein the configuring the RFSP of the UE based on the congestion information of the RAN comprises:
adjusting the system of the UE based on the user plane congestion information and subscription information of the UE.

9. The system according to claim 7 , wherein the congestion information of the RAN further comprises a network congestion level list.

10. A non-transitory computer readable storage medium, comprising computer readable instruction, which when executed on a computer, cause the computer to perform the following operations:
obtaining, from a radio access network congestion awareness function, congestion information of a radio access network (RAN) corresponding to user equipment (UE), wherein the congestion information of the RAN comprises user plane congestion information of the RAN in which congestion occurs;
configuring a radio access technology/frequency selection priority (RFSP) of the UE based on the congestion information of the RAN; and
sending, to the RAN, a selection priority identifier corresponding to the RFSP, wherein the selection priority identifier is for performing access control on the UE based on the selection priority identifier.

11. The non-transitory computer readable storage medium according to claim 10 , wherein the configuring the RFSP of the UE based on the congestion information of the RAN comprises:
adjusting the system of the UE based on the user plane congestion information and subscription information of the UE.

12. The non-transitory computer readable storage medium according to claim 10 , wherein the congestion information of the RAN further comprises a network congestion level list.

13. A method, comprising:
obtaining, by a network device from a radio access network congestion awareness function, congestion information of a radio access network (RAN) corresponding to user equipment (UE), wherein the congestion information of the RAN comprises user plane congestion information of the RAN in which congestion occurs;
configuring, by the network device, a radio access technology/frequency selection priority (RFSP) of the UE based on the congestion information of the RAN;
sending, by the network device to the RAN, a selection priority identifier corresponding to the frequency selection priority; and
performing, by the RAN, access control on the UE based on the selection priority identifier;
wherein the network device is a policy and charging rules function.

14. The method according to claim 13 , wherein the configuring, by the network device, the RFSP of the UE based on the congestion information of the RAN comprises:
adjusting, by the network device, the RFSP of the UE based on the user plane congestion information and subscription information of the UE.

15. The method according to claim 13 , wherein the congestion information of the RAN further comprises a network congestion level list.

Assignees

• Huawei Tech Co Ltd

Inventors

• Jin Heng
• Jin Weisheng

Classifications

• H04L47/11 Primary

  Identifying congestion · CPC title

• H04W28/02 Primary

  Traffic management, e.g. flow control or congestion control · CPC title

• H04W28/0289

  Congestion control (load shedding arrangements in network planning H04W16/08; performing reselection for handling the traffic H04W36/22; wireless traffic scheduling H04W72/12) · CPC title

• H04W8/04

  Registration at HLR or HSS [Home Subscriber Server] · CPC title

• H04L47/20

  Traffic policing · CPC title