CN-121985325-A - Communication method, communication system and related device

CN121985325ACN 121985325 ACN121985325 ACN 121985325ACN-121985325-A

Abstract

The application discloses a communication method, a communication system and a related device, wherein the communication method comprises the steps that a first mobile management node sends a first message to a subscription data management node, the first mobile management node receives subscription data of terminal equipment returned by the subscription data management node, the subscription data comprises capability indication information of the terminal equipment, the capability indication information is used for indicating the terminal equipment to support receiving Network Identification (NI), and the first mobile management node executes an NI issuing decision of the terminal equipment based on the capability indication information. The embodiment of the application can determine whether the terminal equipment supports receiving the customized NI based on the capability indication information fed back by the subscription data management node, thereby assisting the mobility management node in deciding whether to issue the NI to the terminal equipment and what NI to issue, and further avoiding the problems of error display of the NI at the terminal equipment side caused by issuing the NI which is not supported by the terminal equipment.

Inventors

ZHONG JIE
DING HUI
ZHANG ZHUOYANG

Assignees

华为技术有限公司

Dates

Publication Date: 20260505
Application Date: 20241031

Claims (20)

1. A method of communication, applied to a first mobility management node, the method comprising: The method comprises the steps of sending a first message to a subscription data management node, wherein the first message is used for requesting subscription data of terminal equipment initiating a network access request; the method comprises the steps of receiving the subscription data of the terminal equipment returned by the subscription data management node, wherein the subscription data comprises capability indication information of the terminal equipment, and the capability indication information is used for indicating that the terminal equipment supports receiving Network Identification (NI); and executing the NI issuing decision of the terminal equipment based on the capability indication information.
2. The method according to claim 1, wherein the performing the NI-down decision of the terminal device based on the capability indication information comprises: And sending the first customized NI to the terminal equipment under the condition that the capability indication information comprises first indication information and the first customized NI needs to be issued to the terminal equipment based on the NI issuing strategy of the terminal equipment, wherein the first indication information is used for indicating that the terminal equipment has subscribed customized NI or the first indication information is used for indicating that the customized NI can be issued to the terminal equipment.
3. The method according to claim 2, wherein the method further comprises: and sending the default NI of an operator to the terminal equipment under the condition that the fact that the customized NI does not need to be issued to the terminal equipment is determined based on the NI issuing strategy of the terminal equipment.
4. The method according to claim 1, wherein the performing the NI-down decision of the terminal device based on the capability indication information comprises: The capability indication information comprises second indication information, and the first NI is sent to the terminal equipment under the condition that the first NI needs to be sent to the terminal equipment based on an NI sending strategy of the terminal equipment, wherein the second indication information is used for indicating a second customized NI or a default NI of an operator, and the second customized NI or the default NI is the NI sent by a second mobile management node to the terminal equipment before the terminal equipment initiates the network access request; And under the condition that the capability indication information comprises the second indication information and the NI of the terminal equipment side does not need to be updated based on the NI issuing strategy of the terminal equipment, the NI is not sent to the terminal equipment.
5. The method of claim 4, wherein the second customized NI or the default NI is stored in the subscription data by the subscription data management node, and wherein in the event that the first NI is sent to the terminal device, the method further comprises: And sending the first NI to the subscription data management node so that the subscription data management node updates the second customized NI or the default NI stored in the subscription data to the first NI.
6. The method according to claim 1, wherein the performing the NI-down decision of the terminal device based on the capability indication information comprises: the capability indication information comprises third indication information, and the default NI of an operator is sent to the terminal equipment under the condition that the default NI needs to be sent to the terminal equipment based on an NI sending strategy of the terminal equipment; And sending a third customized NI to the terminal equipment under the condition that the capability indication information comprises the third indication information and the third customized NI needs to be issued to the terminal equipment based on an NI issuing strategy of the terminal equipment, wherein the third customized NI is different from the customized NI issued to the terminal equipment by the second mobile management node.
7. The method of claim 6, wherein the third indication information is stored in the subscription data by the subscription data management node; In case the default NI is sent to the terminal device, the method further comprises: And sending fourth indication information to the subscription data management node so that the subscription data management node updates the third indication information stored in the subscription data into the fourth indication information, wherein the fourth indication information is used for indicating that the first mobile management node does not issue customized NI to the terminal equipment.
8. The method according to claim 1, wherein the performing the NI-down decision of the terminal device based on the capability indication information comprises: The method comprises the steps that when capability indication information comprises sixth indication information and the default NI of an operator needs to be issued to terminal equipment based on an NI issuing strategy of the terminal equipment, the NI is not sent to the terminal equipment; and sending a fourth customized NI to the terminal equipment under the condition that the capability indication information comprises the sixth indication information and the fourth customized NI needs to be issued to the terminal equipment based on the NI issuing strategy of the terminal equipment.
9. The method of claim 8, wherein the sixth indication information is stored in the subscription data by the subscription data management node; in case the fourth customized NI is sent to the terminal device, the method further comprises: And sending fifth instruction information to the subscription data management node so that the subscription data management node updates the sixth instruction information stored in the subscription data into the fifth instruction information, wherein the fifth instruction information is used for indicating the first mobile management node to issue customized NI to the terminal equipment.
10. The method according to any of claims 1-9, wherein the first message comprises a device identification of the terminal device, the device identification being used by the subscription data management node to determine whether the terminal device supports reception of a customized NI, and to modify subscription data of the terminal device to avoid issuing a customized NI to the terminal device if the terminal device does not support reception of a customized NI.
11. The method according to any one of claims 1-9, wherein the method further comprises: receiving the network access request from the terminal equipment, wherein the network access request comprises the equipment identifier of the terminal equipment; The method further comprises the steps of: And the second message comprises the equipment identifier, wherein the equipment identifier is used for determining whether the terminal equipment supports receiving the customized NI or not by the policy control function node, changing the NI issuing strategy of the terminal equipment in the first mobile management node under the condition that the terminal equipment does not support receiving the customized NI so as to avoid issuing the customized NI to the terminal equipment, and synchronizing the changing message of the NI issuing strategy of the terminal equipment to the subscription data management node so as to enable the subscription data management node to change the subscription data of the terminal equipment.
12. A communication method, characterized in that it is applied to a subscription data management node, said method comprising: Receiving a first message from a first mobile management node, wherein the first message is used for requesting subscription data of terminal equipment initiating a network access request; The method comprises the steps of sending subscription data of the terminal equipment to a first mobile management node, wherein the subscription data comprises capability indication information of the terminal equipment, and the capability indication information is used for indicating the terminal equipment to support receiving Network Identification (NI) so that the first mobile management node can execute an NI issuing decision of the terminal equipment based on the capability indication information.
13. The method of claim 12, wherein the first mobility management node sends a first customized NI to the terminal device if the capability indication information includes first indication information and the first mobility management node determines that the first customized NI needs to be sent to the terminal device based on an NI sending policy of the terminal device, wherein the first indication information is used for indicating that the terminal device has a subscribed customized NI, or wherein the first indication information is used for indicating that the customized NI can be sent to the terminal device.
14. The method according to claim 13, characterized in that the operator's default NI is sent to the terminal device by the first mobility management node in case the first mobility management node determines that no customized NI needs to be issued to the terminal device based on the terminal device's NI issue policy.
15. The method according to claim 12, wherein the first mobility management node sends a first NI to the terminal device if the capability indication information comprises second indication information and the first mobility management node determines that the first NI needs to be issued to the terminal device based on an NI issue policy of the terminal device; the second indication information is used for indicating a second customized NI or a default NI of an operator, wherein the second customized NI or the default NI is the NI issued by a second mobile management node to the terminal equipment before the terminal equipment initiates the network access request; And under the condition that the capability indication information comprises the second indication information and the first mobile management node determines that the NI of the terminal equipment side does not need to be updated based on the NI issuing strategy of the terminal equipment, the first mobile management node does not execute the operation of transmitting the NI to the terminal equipment.
16. The method of claim 15, wherein the second customized NI or the default NI is stored in the subscription data by the subscription data management node, and wherein in the event that the first mobility management node sends the first NI to the terminal device, the method further comprises: receiving the first NI from the first mobility management node; And updating the second customized NI or the default NI stored in the subscription data to the first NI.
17. The method of claim 12, wherein the capability indication information comprises third indication information, and wherein the first mobility management node sends a default NI to the terminal device if the first mobility management node determines that a default NI of an operator needs to be sent to the terminal device based on an NI sending policy of the terminal device; And under the condition that the capability indication information comprises the third indication information and the first mobile management node determines that a third customized NI needs to be issued to the terminal equipment based on an NI issuing strategy of the terminal equipment, the first mobile management node sends the third customized NI to the terminal equipment, wherein the third customized NI is different from the customized NI issued by the second mobile management node to the terminal equipment.
18. The method of claim 17, wherein the third indication information is stored in the subscription data by the subscription data management node, and wherein in the event that the first mobility management node sends the default NI to the terminal device, the method further comprises: Receiving fourth indication information from the first mobility management node; And updating the third indication information stored in the subscription data into fourth indication information, wherein the fourth indication information is used for indicating that the first mobile management node does not issue the customized NI to the terminal equipment.
19. The method of claim 12, wherein the first mobility management node does not perform an operation of sending NI to the terminal device if the capability indication information includes sixth indication information and the first mobility management node determines that an operator's default NI needs to be sent to the terminal device based on an NI sending policy of the terminal device; and in the case that the capability indication information comprises the sixth indication information and the first mobility management node determines that a fourth customized NI needs to be issued to the terminal equipment, the first mobility management node sends the fourth customized NI to the terminal equipment.
20. The method of claim 19, wherein the sixth indication information is stored in the subscription data by the subscription data management node, and wherein in the case where the first mobility management node sends the fourth customized NI to the terminal device, the method further comprises: Receiving fifth indication information from the first mobility management node; And updating the sixth instruction information stored in the subscription data into the fifth instruction information, wherein the fifth instruction information is used for indicating the first mobile management node to issue a customized NI to the terminal equipment.

Description

Communication method, communication system and related device Technical Field The present application relates to the field of communications technologies, and in particular, to a communications method, a communications system, and related devices. Background The existing communication protocol defines that a core Network element can update Network Identification and Time Zone (NITZ) information to User Equipment (UE) through a configuration update flow of the UE, wherein the Network Identification (NI) information can be a generic name or short name of an operator Network identification, and the Time Zone information (TZ) can be a global Time of a Time Zone in which the UE is currently located. However, there are a large number of existing terminals which do not completely follow the protocol implementation, and due to the mobility of the terminals, NI information issued by the network may be received when the terminals move to a certain area. The network side can not accurately acquire the network information to be accessed due to the NI information issued by the network side without correct decision, so that the problems of NI display errors and the like can be caused. Disclosure of Invention The embodiment of the application provides a communication method, a communication system and a related device, which can determine whether terminal equipment supports receiving NI based on capability indication information fed back by a subscription data management node, so as to assist a mobility management node to decide whether to issue NI to the terminal equipment and which NI to issue, further avoid the problem that the terminal equipment NI is wrongly displayed and even cannot access a network because the terminal equipment issues the NI which is not supported by the mobility management node, and facilitate the improvement of user experience. In a first aspect, an embodiment of the present application provides a communication method, which is applied to a first mobility management node, where the first mobility management node in the present application may refer to the first mobility management node itself (for example, a core network element) or may refer to a module in the first mobility management node, for example, the module may be a communication module in the first mobility management node, or a circuit or a chip in the first mobility management node responsible for a communication function, such as a modem chip, also referred to as a baseband chip, or a system on chip (SoC) chip or a system-in-package (SYSTEMIN PACKAGE, SIP) chip that includes a modem core. Or may be a logic module or software, etc. capable of implementing all or part of the functions of the first mobility management node. For convenience of description, the first mobility management node is taken as an example, and the method includes: The method comprises the steps that a first mobile management node sends a first message to a subscription data management node, the first message is used for requesting subscription data of terminal equipment which initiates a network access request, the first mobile management node receives the subscription data of the terminal equipment returned by the subscription data management node, the subscription data comprises capability indication information of the terminal equipment, the capability indication information is used for indicating that the terminal equipment supports to receive network identification NI, and the first mobile management node executes NI issuing decision of the terminal equipment based on the capability indication information. It can be seen that, in the embodiment of the present application, the capability indication information of the terminal device may be newly added in the subscription data management node to indicate whether the terminal device supports to receive NI, and the first mobility management node may request the subscription data management node to return the subscription data of the terminal device when receiving the network access request of the terminal device, so as to obtain the capability indication information from the subscription data. The first mobility management node can refer to the capability indication information to decide whether to issue NI to the terminal equipment and what kind of NI to issue, so that the NI displayed by the terminal equipment can be updated in time, and the problem of error in NI display of the terminal equipment caused by issuing of NI which is not supported by the terminal equipment can be avoided. In one possible implementation manner, the first mobility management node performs an NI delivery decision of the terminal device based on the capability indication information, including: and under the condition that the capability indication information comprises first indication information and the first customized NI needs to be issued to the terminal equipment based on the NI issuing strategy of the terminal equipment, the