CN110337072B - Method and system for automatically establishing group in 5G network - Google Patents
Method and system for automatically establishing group in 5G network Download PDFInfo
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- CN110337072B CN110337072B CN201910651213.3A CN201910651213A CN110337072B CN 110337072 B CN110337072 B CN 110337072B CN 201910651213 A CN201910651213 A CN 201910651213A CN 110337072 B CN110337072 B CN 110337072B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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Abstract
The invention provides a method for automatically establishing a group under a 5G network, which comprises the following steps: when the access and mobile management functional entity monitors that a target mobile terminal enters a preset position range, the ID of the target mobile terminal and corresponding position information are sent to the position management functional entity; the position management functional entity counts the ID of the target mobile terminal and the corresponding position information thereof according to a preset mobile terminal set and position identification corresponding relation table so as to screen out a first position identification; the position management functional entity sends the ID set of the first target mobile terminal matched with the first position identification to the unified data management entity for authentication, and sends a group session establishing command to the session management functional entity; the session management functional entity establishes group session information and sends paging messages to each group of first target mobile terminals through the access and mobility management functional entity so that each group of first target mobile terminals can enter a group communication state after receiving the paging messages.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a system for automatically establishing a group in a 5G network.
Background
With the development of society, data sharing becomes an indispensable communication mode for people's life and work, and in the prior art, when people share data, data sharing is usually performed by means of a third-party platform, for example, data sharing is performed by building a group on the third-party platform such as WeChat, QQ and the like, but the data sharing mode causes data forwarding among users to need to pass through a third-party server, which inevitably has the problem that the transmission rate of data is limited by the third-party server; in addition, in the prior art, a data sharing mode exists, that is, dialing clustering is performed directly by using a mobile phone, and the data sharing mode enables data forwarding among users to be performed without passing through a third-party server, so that the data transmission efficiency is improved.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a method and a system for automatically establishing a group in a 5G network, which are used for solving the problem of complex dialing group establishment operation in the 5G network in the prior art.
In one aspect, the present invention provides a method for automatically establishing a group in a 5G network, the method comprising:
the access and mobile management functional entity monitors whether a target mobile terminal enters a preset position range; when monitoring that a target mobile terminal enters, sending the ID of the target mobile terminal and the corresponding position information thereof to a position management functional entity;
the position management functional entity counts the received ID of the target mobile terminal and the corresponding position information thereof according to a preset mobile terminal set and position identification corresponding relation table so as to screen out a first position identification from each position identification; the first position identification refers to the position identification of which the number of the matched mobile terminals reaches a first preset threshold value;
the position management functional entity sends the ID set of the first target mobile terminal matched with the first position identification to a unified data management entity for authentication so as to group the first target mobile terminal set; receiving grouping information returned by the unified data management entity, wherein the grouping information comprises the ID of each group of first target mobile terminals;
the position management functional entity sends a command of establishing a group session to a session management functional entity; the command for creating the group session comprises grouping information;
the session management functional entity establishes group session information respectively according to the ID of each group of first target mobile terminals, wherein each group session information comprises the ID of all the mobile terminals participating in the group session;
and the session management functional entity sends a paging message to each group of first target mobile terminals through the access and mobile management functional entity so that each group of first target mobile terminals can enter a group communication state after receiving the paging message.
Preferably, after the group session is automatically established, the method further includes:
the access and mobile management functional entity monitors whether a new target mobile terminal enters a preset position range; when a new target mobile terminal is monitored to enter the preset position range, the ID of the new target mobile terminal and the corresponding position information are sent to the position management functional entity;
the position management functional entity acquires a second position identification matched with the position information of the new target mobile terminal according to a preset mobile terminal set and position identification corresponding relation table, and calculates whether the number of the target mobile terminals matched with the second position identification exceeds a second preset threshold value or not;
when judging that the ID of the new target mobile terminal does not exceed a second preset threshold value, the position management functional entity sends the ID of the new target mobile terminal to a unified data management entity for authentication so as to determine a target group to which the new target mobile terminal is to be added;
the position management function entity sends a group session update command to the session management function entity, wherein the group session update command comprises an ID of a new target mobile terminal and a group identifier of a target group to which the new target mobile terminal is to be added;
the session management functional entity updates the session information of the target group according to the group identification of the target group to which the new target mobile terminal is added and the ID of the new target mobile terminal;
and the session management functional entity sends a paging message to the new target mobile terminal through the access and mobile management functional entity so that the new target mobile terminal enters a group communication state after receiving the paging message.
Preferably, the specific step that the session management functional entity sends the paging message to the new target mobile terminal through the access and mobility management functional entity so that the new target mobile terminal enters the group communication state after receiving the paging message includes:
the session management functional entity inquires the session state of the target group according to the group identification of the target group to which the new target mobile terminal is added;
when the target group is in a state without message transmission, the session management functional entity sends a first updating instruction to the access and mobile management functional entity, wherein the first updating instruction comprises a first command identifier; the first command identification is used for indicating that the new target mobile terminal is not activated immediately;
after receiving the first updating instruction, the access and mobility management functional entity sends a first paging message to the new target mobile terminal, wherein the first paging message comprises a pre-created group command identifier, so that the new target mobile terminal interactively executes a radio resource control configuration instruction with a base station after receiving the first paging message, and enters a radio resource control ready state;
when the target group is inquired to be in a message transmission state, the session management functional entity sends a second updating instruction to the access and mobile management functional entity, wherein the second updating instruction comprises a second command identifier which is used for indicating that the new target mobile terminal is activated immediately; and after receiving the second updating instruction, the access and mobility management functional entity sends a second paging message to the new target mobile terminal so that the new target mobile terminal and the base station interactively execute a radio resource control configuration instruction to enter a radio resource control connection state.
Preferably, the specific step of the session management functional entity sending the paging message to each group of the first target mobile terminals through the access and mobility management functional entity so that each group of the first target mobile terminals enters the group communication state after receiving the paging message includes:
the session management functional entity sends the command of creating the group session to an access and mobile management functional entity;
and after receiving the group session creating command, the access and mobility management functional entity sends a third paging message to each group of first target mobile terminals, wherein the third paging message comprises a pre-group creating command identifier, so that each group of first target mobile terminals can perform interaction with the base station to execute a radio resource control configuration instruction after receiving the paging message, and thus the first target mobile terminals enter a radio resource control ready state.
Preferably, the location information includes: any one of a tracking area, a base station, and a cell.
On the other hand, the invention also provides a system for automatically establishing the group under the 5G network, which comprises the following steps:
the access and mobile management function entity is used for monitoring whether a target mobile terminal enters a preset position range; when the target mobile terminal is monitored to enter, the ID of the target mobile terminal and the corresponding position information are sent to a position management functional entity;
the position management function entity is used for counting the received ID of the target mobile terminal and the corresponding position information thereof according to a preset mobile terminal set and position identification corresponding relation table so as to screen out a first position identification from each position identification; the first position identification refers to the position identification of which the number of the matched mobile terminals reaches a first preset threshold value; the system is also used for sending the ID set of the first target mobile terminal matched with the first position identification to a unified data management entity for authentication and receiving grouping information returned by the unified data management entity, wherein the grouping information comprises the ID of each group of first target mobile terminals;
the unified data management entity is used for authenticating the first target mobile terminal set so as to group the first target mobile terminal set and returning grouping information to the position management functional entity;
the position management function entity is also used for sending a command of creating the group session to the session management function entity; the command for creating the group session comprises grouping information;
the session management function entity is used for respectively establishing group session information according to the ID of each group of first target mobile terminals, wherein each group session information comprises the IDs of all the mobile terminals participating in the group session; and the access and mobile management function entity is further used for sending a paging message to each group of first target mobile terminals so that each group of first target mobile terminals can enter a group communication state after receiving the paging message.
Preferably, after the group session is automatically established, the access and mobility management functional entity is further configured to monitor whether a new target mobile terminal enters a preset location range; when a new target mobile terminal is monitored to enter the preset position range, the ID of the new target mobile terminal and the corresponding position information are sent to the position management functional entity;
the position management functional entity is further used for acquiring a second position identifier matched with the position information of the new target mobile terminal according to a preset mobile terminal set and position identifier corresponding relation table, and calculating whether the number of the target mobile terminals matched with the second position identifier exceeds a second preset threshold value or not; and further configured to send the ID of the new target mobile terminal to a unified data management entity for authentication when it is determined that the ID does not exceed a second preset threshold;
the unified data management entity is also used for authenticating the new target mobile terminal to determine a target group to which the new target mobile terminal is added;
the position management function entity is also used for sending a group session updating command to the session management function entity, wherein the group session updating command comprises the ID of a new target mobile terminal and the group identification of a target group to which the new target mobile terminal is added;
the session management function entity is also used for updating the session information of the target group according to the group identification of the target group to which the new target mobile terminal is added and the ID of the new target mobile terminal; and the access and mobile management function entity is also used for sending a paging message to the new target mobile terminal so that the new target mobile terminal enters a group communication state after receiving the paging message.
Preferably, the session management functional entity sends a paging message to the new target mobile terminal through the access and mobility management functional entity, so that when the new target mobile terminal enters a group communication state after receiving the paging message,
the session management function entity is specifically configured to query a session state of the target group according to a group identifier of the target group to which the new target mobile terminal is to join;
when the target group is in a state of no message transmission, the session management functional entity is specifically configured to send a first update instruction to the access and mobility management functional entity, where the first update instruction includes a first command identifier; the first command identification is used for indicating that the new target mobile terminal is not activated immediately; the access and mobility management functional entity is specifically configured to send a first paging message to the new target mobile terminal after receiving the first update instruction, where the first paging message includes a pre-created group command identifier, so that the new target mobile terminal interacts with a base station to execute a radio resource control configuration instruction after receiving the first paging message, so as to enter a radio resource control ready state;
when the target group is in a message transmission state, the session management functional entity is specifically configured to send a second update instruction to the access and mobility management functional entity, where the second update instruction includes a second command identifier, and the second command identifier is used to indicate that the new target mobile terminal is immediately activated; the access and mobility management functional entity is specifically configured to send a second paging message to the new target mobile terminal after receiving the second update instruction, so that the new target mobile terminal and the base station interactively execute a radio resource control configuration instruction to enter a radio resource control connection state.
Preferably, the session management functional entity sends a paging message to each group of first target mobile terminals through the access and mobility management functional entity, so that when each group of first target mobile terminals enters a group communication state after receiving the paging message,
the session management functional entity is specifically configured to send the create group session command to an access and mobility management functional entity;
the access and mobility management functional entity is specifically configured to send a third paging message to each group of first target mobile terminals after receiving the group session creation command, where the third paging message includes a pre-group creation command identifier, so that each group of first target mobile terminals interacts with the base station to execute a radio resource control configuration instruction after receiving the paging message, and enters a radio resource control ready state.
Preferably, the location information includes: any one of a tracking area, a base station, and a cell.
The invention has the beneficial technical effects that:
according to the method and the system for automatically establishing the group in the 5G network, the target users entering the preset range are automatically tracked, and dialing and clustering are automatically performed on all the target users when the number of the target users reaches the preset threshold value.
Drawings
Fig. 1 is a flowchart of a method for automatically establishing a group in a 5G network according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for automatically establishing a group in a 5G network according to a second embodiment of the present invention;
fig. 3 is a flowchart of a method for automatically establishing a group in a 5G network according to a third embodiment of the present invention;
fig. 4 is a flowchart of a method for automatically establishing a group in a 5G network according to a fourth embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a system for automatically establishing a group in a 5G network according to a fifth embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the method and system for automatically establishing a group in a 5G network provided by the present invention are described in detail below with reference to the accompanying drawings.
For convenience of description, before describing a specific technical scheme, the chinese and english names of components in a 5G core network involved in the technical scheme are listed as follows:
access and Mobility Management Function entities, Access and Mobility Management Function, AMF for short.
Location Management Function entity, Location Management Function, LMF for short.
Session Management Function entity, Session Management Function, SMF for short.
Unified Data Management entity, Unified Data Management, UDM for short.
Example one
The present embodiment provides a method for automatically establishing a group in a 5G network, as shown in fig. 1, the method includes:
step S101, AMF monitors whether a target mobile terminal enters a preset position range.
The AMF is an access and mobility management functional entity for short, and is a functional entity in a 5G network, and is used for managing access of a mobile terminal. An AMF generally serves a plurality of mobile terminals, and is capable of monitoring a certain location range, and acquiring location information of the mobile terminal when the mobile terminal enters the location range. In this embodiment, the target mobile terminal is a mobile terminal served by the AMF and subscribed with the automatic clustering service, after the target mobile terminal subscribes the automatic clustering service, the operator system marks the ID of the target terminal in the corresponding AMF, and after the target mobile terminal enters the area monitored by the AMF, the AMF can identify the target mobile terminal and further acquire the location information of the target mobile terminal.
In this embodiment, the mobile terminal may subscribe to the automatic clustering service through any one of an online offline business hall, an online business hall, and a telephone dialing mode.
In step S101, when the AMF monitors that the target mobile terminal enters the preset position range, the following step S102 is performed.
Step S102, the AMF sends the ID of the target mobile terminal and the corresponding position information to the LMF.
Step S103, the LMF counts the received ID of the target mobile terminal and the corresponding position information thereof according to a preset mobile terminal set and position identification corresponding relation table so as to screen out the first position identification from each position identification.
The LMF is a functional entity for location management, and is a functional entity in the 5G network, and is used to manage location information of the mobile terminal. In the present invention, a corresponding relation table between a mobile terminal set and a Location identifier is stored in advance in an LMF, where the relation table represents a set of mobile terminals that can be clustered at a Location represented by the Location identifier, and specifically, the relation table may be represented in a binary form, where the form is ({ UE _ ID }, Location _ ID) — where { UE _ ID } represents a set formed by IDs of mobile terminals, and represents a plurality of mobile terminals, and Location _ ID represents a Location identifier. In this embodiment, the location identifier in the relationship table stored in the LMF has the same physical meaning as the location information of the mobile terminal received by the LMF, and preferably, any one of the TA, the base station, and the cell is selected.
In step S103, after the LMF receives the ID of the target mobile terminal and the corresponding location information sent by the AMF, the LMF performs statistics on the location information of the target mobile terminal, so as to mark the target mobile terminals with the same location information as one set, and matches the LMF with a mobile terminal set and a location identifier correspondence table stored in advance to determine which number of matching target mobile terminals of the location identifier in the relationship table reaches a first preset threshold. In this embodiment, the screened location identifier is referred to as a first location identifier, that is, the first location identifier refers to a location identifier whose number of matching target mobile terminals reaches a first preset threshold, and the number of the first location identifiers may be one or multiple.
The ID of the target mobile terminal includes: the Mobile terminal includes any one of a Mobile phone Number, a SUCI, a SUPI, or a 5G-TMSI, where the SUPI (short for description Permanent Identifier) is a Mobile phone real identity code, and is similar to an IMSI Number (short for International Mobile Subscriber identity), and the SUCI (short for description public Identifier) is a Number obtained by encrypting the SUPI with a public key.
Step S104, the LMF sends the ID set of the first target mobile terminal matched with the first position identification to the UDM for authentication so as to group the first target mobile terminal set; and receives the packet information returned by the UDM.
UDM is a short for unified data management entity, and is a functional entity in 5G network, which is used to authenticate user data. In this embodiment, after the user subscribes to the automatic group establishment service, the UDM stores user information that will subscribe to the service, and stores group information to which the user belongs, specifically, the UDM stores group identifiers and information of group members corresponding to each group identifier, such as a mobile terminal ID.
In step S104, after the LMF sends the ID of the first target mobile terminal matching the first location identifier to the UDM, the UDM determines the group to which each first target mobile terminal belongs by querying the stored information, that is, grouping the first target mobile terminals, and returns the grouping information to the LFM, where the grouping information includes the ID of each group of first target mobile terminals.
In step S105, the LMF sends a create group session command to the SMF.
The group session creating command includes grouping information, and the grouping information includes an ID and a group identifier of each group of the first target mobile terminals.
And step S106, the SMF respectively creates group session information according to the ID of each group of first target mobile terminals.
After receiving a group session creating command sent by the LMF, the SMF generates group session information for each group of first target mobiles according to group information included in the group session command, each group session information represents a group and includes related information of the group, for example, the group session information includes a group session ID and a group identifier, the group session ID is generated according to an ID of each group of first target mobile terminals, and members included in the group can be determined by identifying the group session ID.
Step S107, the SMF sends the paging message to each group of first target mobile terminals through the AMF, so that each group of first target mobile terminals enters a group communication state after receiving the paging message.
After the SMF creates the group session information for each group, the SMF forwards a group session creating command to the AMF, after the AMF receives the group session creating command, the AMF sends a paging message to each first target user through the base station, and each first target mobile terminal responds to the paging message after receiving the paging message, so as to enter a group communication state, wherein the group communication state refers to a preparation state for adjusting wireless link resources to carry out communication.
In the method for automatically establishing a group in a 5G network provided in this embodiment, when a mobile terminal subscribed with an automatic group establishment service enters a destination, a call group establishment procedure is automatically initiated, so that, compared with the prior art, a user is prevented from performing complicated manual dialing group establishment, automatic group establishment is realized, and user experience is improved.
Example two
In this embodiment, a method for automatically establishing a group in a 5G network is further provided, and compared with the first embodiment, the method provided in this embodiment further includes a process of joining a new target user, as shown in fig. 2, fig. 2 only shows method steps added in the first embodiment, but does not represent that the present embodiment only includes the method steps shown. The method further comprises the following steps:
step S108, the AMF monitors whether a new target mobile terminal enters the preset position range.
When the communication group is successfully established, the AMF also continuously monitors whether a new target user enters the preset position range, and when the new target mobile terminal enters the preset position range, the new target mobile terminal needs to be added into the group represented by the ordered automatic group establishment service.
Step S109, the AMF sends the ID of the new target mobile terminal and the corresponding location information to the LMF.
And when the AMF monitors that the new target mobile terminal enters a preset position range, the AMF sends the ID of the new target mobile terminal and the corresponding position information to the LMF.
Step S110, the LMF obtains a second position identification matched with the position information of the new target mobile terminal according to a preset mobile terminal set and position identification corresponding relation table, and calculates whether the number of the target mobile terminals matched with the second position identification exceeds a second preset threshold value.
In this embodiment, after receiving the location information of the new target mobile terminal, the LMF determines, according to a preset mobile terminal set and location identifier correspondence table, a second location identifier matched with the new target mobile terminal, where the determination process is the same as step S103 in the first embodiment, specifically please refer to the description of step S103, and details are not repeated here.
When the LMF determines a second location identifier matched with a new target mobile terminal, calculating whether the number of the target mobile terminals (including the new target mobile terminal) matched with the second location identifier currently exceeds a second preset threshold, wherein the second preset threshold refers to an upper limit value of the number of the mobile terminals capable of establishing a group at the location represented by the location identifier, and when the number of the target mobile terminals exceeds the upper limit value, the new target mobile terminal cannot be added into the corresponding group. In this embodiment, when it is determined that the number of the target mobile terminals matching the second location identifier does not exceed the second preset threshold, step S111 is executed, and when it is determined that the number of the target mobile terminals exceeds the second preset threshold, the process is ended.
And step S111, the LMF sends the ID of the new target mobile terminal to the UDM for authentication so as to determine a target group to which the new target mobile terminal is added.
The process of authenticating the new target mobile terminal by the UDM is the same as the step S104 in the first embodiment, and please refer to the step S104, which is not described herein again. Specifically, when the authentication is successful, the UDM returns the group identifier of the target group to which the new target mobile terminal is to be added to the LMF, and when the authentication is unsuccessful, the process is ended.
In step S112, the LMF sends a group session update command to the SMF.
After determining the target group to which the new target mobile terminal is to be added, the LMF sends a group session update instruction to the SMF so as to update the target group to which the new target mobile terminal is to be added. The group session update command includes an ID of the new target mobile terminal and a group identifier of a target group to which the new target mobile terminal is to be added.
In step S113, the SMF updates the session information of the target group according to the group identifier of the target group to which the new target mobile terminal is to join and the ID of the new target mobile terminal.
After receiving the group session update command sent by the LMF, the SMF determines the target group according to the group identifier of the target group included in the group session update command, and updates the session information of the target group, for example, updates the group session ID, according to the ID of the new target mobile terminal.
Step S114, the SMF sends the paging message to the new target mobile terminal through the AMF, so that the new target mobile terminal enters a group communication state after receiving the paging message.
In the method for automatically establishing a group in a 5G network provided in this embodiment, after a communication group is successfully established, when a new mobile terminal subscribed with an automatic group establishment service enters a destination, a target group to be added can be automatically determined for the new target mobile terminal, and a group updating process is automatically initiated, so that the new mobile terminal is added to the target group.
EXAMPLE III
The present embodiment is a supplement to the second embodiment, as shown in fig. 3, on the basis of the second embodiment, in the present embodiment, the specific step of the SMF sending the paging message to the new target mobile terminal through the AMF, so that the new target mobile terminal enters the group communication state after receiving the paging message includes:
in step S1141, the SMF queries the session state of the target group according to the group identifier of the target group to which the new target mobile terminal is to join.
The session state refers to whether the group is in a state of group messaging, and the session state includes: messaging and non-messaging; when the target group is inquired to be in a state of no message transmission, the following steps S1142 and S1143 are performed, and when the target group is inquired to be in a state of message transmission, the following steps S1142 'and S1143' are performed.
In step S1142, the SMF sends a first update instruction to the AMF, where the first update instruction includes a first command identifier.
When the SMF inquires that the target group is in a state without message transmission, the SMF indicates that the current members in the target group do not allocate the wireless link resources, and therefore sends a first updating instruction to the AMF, wherein the first updating instruction comprises a first command identifier which is used for indicating that a new target mobile terminal is not activated immediately, and the 'non-activated new target mobile terminal' means that the wireless link resources are not allocated to the new target mobile terminal immediately. That is, when the update instruction includes the first command identifier, the subsequent network element does not immediately allocate the radio link resource to the new target mobile terminal when executing the update instruction.
Step S1143, after receiving the first update instruction, the AMF sends a first paging message to the new target mobile terminal, where the first paging message includes a pre-created group command identifier, so that the new target mobile terminal interacts with the base station to execute a radio resource control configuration instruction to enter an RRC _ INACTIVE state after receiving the first paging message.
In this embodiment, after receiving the update command, the AMF determines that the update command is the first update command by identifying that the update command includes the first command identifier, and further sends a first paging message to the new target mobile terminal, where the first paging message includes a pre-created group command identifier, and the pre-created group command identifier is used to instruct the new target mobile terminal to set a parameter of a Radio Resource Control configuration command (the Radio Resource Control configuration command refers to a rrcrconfiguration command in 5G technology, where RRC is an abbreviation of Radio Resource Control) after receiving the first paging message, so as to interact with the base station to execute the Radio Resource Control configuration command, so that the new target brake terminal enters a Radio Resource Control ready state (RRC _ INACTIVE state), which is a Radio Resource allocation state in 5G technology, in this state, the terminal is in a power-saving "sleep" state, but it still retains a part of the process context (security context, user capability information, etc.), always remains CONNECTED to the network, and can quickly transition from RRC INACTIVE state to an RRC CONNECTED (radio resource control CONNECTED) state by a paging-like message, which is a state in which the user has applied for radio link resources, and the amount of signaling is reduced, and in this state, the user can communicate at any time. The RRC _ INACTIVE state and the RRC CONNECTED state are well known in the art and will not be described in further detail herein.
When the target group is queried to be in the message transmission state, the following steps S1142 'and S1143' are performed.
In step S1142', the SMF sends a second update instruction to the AMF, where the second update instruction includes a second command identifier.
When the SMF inquires that the target group is in a message transmission state, the SMF indicates that the current members in the target group have allocated wireless link resources, and therefore a second updating instruction is sent to the AMF, wherein the second updating instruction comprises a second command identifier which is used for indicating to immediately activate a new target mobile terminal, and the step of immediately activating the new target mobile terminal means that the SMF immediately allocates wireless link resources to the new target mobile terminal. That is, when the update instruction includes the second command identifier, the subsequent network element allocates the radio link resource to the new target mobile terminal when executing the update instruction.
In step S1143', after receiving the second update command, the AMF sends a second paging message to the new target mobile terminal, so that the new target mobile terminal and the base station interactively execute the RRC _ CONNECTED state.
In this embodiment, after receiving the update instruction, the AMF determines that the update instruction is the second update instruction by recognizing that the update instruction includes the second command identifier, and then sends a second paging message to the new target mobile terminal, where the second paging message does not include a special identifier and does not include a pre-created group command identifier, and after receiving the second update instruction, the new target mobile terminal recognizes that the command does not include the pre-created group command identifier, and sets a parameter of the radio resource control configuration instruction, so as to perform the radio resource control configuration instruction with the base station in an interactive manner, so that the new target mobile terminal enters a radio resource control CONNECTED state (RRC _ CONNECTED state), so that the new target mobile terminal also obtains a corresponding radio link resource to enable data transmission with other members in the target group.
How to set the parameters of the RRC configuration command between the mobile terminal and the base station to enable the mobile terminal to enter the RRC _ CONNECTED state or the RRC _ INACTIVE state is prior art in the art, and details are not described in this embodiment.
Example four
As shown in fig. 4, based on the first embodiment, in this embodiment, an SMF sends a paging message to each group of first target mobile terminals through an AMF, so that each group of first target mobile terminals enter a group communication state after receiving the paging message specifically includes:
in step S1071, the SMF sends a create group session command to the AMF.
Step S1072, after receiving the group session creation command, the AMF sends a third paging message to each group of first target mobile terminals, where the third paging message includes a pre-group creation command identifier, so that each group of first target mobile terminals interacts with the base station to execute a radio resource control configuration instruction after receiving the paging message, so as to enter an RRC _ INACTIVE state.
After receiving the group session creating command, the AMF sends a third paging message to each group of first target mobile terminals, where the third paging message includes a pre-created group command identifier, where the pre-created group command identifier is used to indicate a new target mobile terminal to set parameters of a radio resource control configuration instruction after receiving the third paging message, so as to interact with the base station to execute the radio resource control configuration instruction, so that the new target brake terminal enters a radio resource control ready state (RRC _ INACTIVE state).
In the method for automatically establishing a group in a 5G network provided in this embodiment, after the group establishment is successful, a data sharing process between members in the group is as follows: a first user in a group sends a first group message to the group, firstly submits a sending request to an AMF to which the first user belongs, the AMF forwards the sending request to an SMF, the SMF selects a UPF to provide service for the group session after receiving the sending request, the SMF sends the information of the selected UPF to the AMF, the AMF forwards the information of the UPF to the first user in the group, the first user executes a radio resource control configuration instruction to apply for radio link resources to enter an RRC _ CONNECTED state, the first user sends the group message to the UPF, and the UPF sends the group message to other users in the group.
EXAMPLE five
This embodiment provides a system for automatically establishing a group in a 5G network, which is used to implement the method for automatically establishing a group in a 5G network provided in the foregoing embodiment of the present invention, as shown in fig. 5, the system includes: an Access and Mobility Management Function 11 (AMF), a Location Management Function 12 (LMF), a Unified Data Management 13 (UDM), and a Session Management Function 14 (SMF).
The AMF11 is used for monitoring whether a target mobile terminal enters a preset position range; when the target mobile terminal is monitored to enter, the ID of the target mobile terminal and the corresponding position information are sent to a position management functional entity; the LMF12 is configured to count the received ID of the target mobile terminal and the corresponding location information thereof according to a preset mobile terminal set and location identifier correspondence table, so as to screen out a first location identifier from each of the location identifiers; the first position identification refers to the position identification of which the number of the matched mobile terminals reaches a first preset threshold value; the system is also used for sending the ID set of the first target mobile terminal matched with the first position identification to the UDM13 for authentication and receiving grouping information returned by the UDM13, wherein the grouping information comprises the ID of each group of first target mobile terminals; the UDM13 is used for authenticating the first target mobile terminal set so as to group the first target mobile terminal set and return grouping information to the location management functional entity; LMF12 is also used to send create group session command to SMF 14; the command for creating the group session comprises grouping information; the SMF14 is configured to respectively establish group session information according to the IDs of each group of first target mobile terminals, where each group session information includes IDs of all mobile terminals participating in a group session; and is further configured to send, through the AMF11, a paging message to each group of first target mobile terminals, so that each group of first target mobile terminals enters a group communication state after receiving the paging message.
Compared with the prior art, the system for automatically establishing the group in the 5G network automatically initiates a call group establishment process when the mobile terminal subscribed with the automatic group establishment service enters the destination, so that the complicated manual dialing group establishment by the user is avoided, the automatic group establishment is realized, and the user experience is improved.
In some embodiments, after the group session is automatically established, the AMF11 is further configured to monitor whether a new target mobile terminal enters within a preset location range; when a new target mobile terminal is monitored to enter the preset position range, the ID of the new target mobile terminal and the corresponding position information are sent to the position management functional entity; the LMF12 is further configured to obtain, according to a preset mobile terminal set and location identifier correspondence table, a second location identifier that matches the location information of the new target mobile terminal, and calculate whether the number of target mobile terminals that match the second location identifier exceeds a second preset threshold; and is also used for sending the ID of the new target mobile terminal to the UDM13 for authentication when it is determined that the second preset threshold is not exceeded; the UDM13 is further configured to authenticate the new target mobile terminal to determine a target group to which the new target mobile terminal is to join; the UDM13 is further configured to send a group session update command to the session management function entity, where the group session update command includes an ID of a new target mobile terminal and a group identifier of a target group to which the new target mobile terminal is to join; the SMF14 is further configured to update session information of the target group according to the group identifier of the target group to which the new target mobile terminal is to join and the ID of the new target mobile terminal; and further configured to send a paging message to the new target mobile terminal through the AMF11 for the new target mobile terminal to enter a group communication state after receiving the paging message.
In some embodiments, the SMF14 sends a paging message to the new target mobile terminal through the AMF11, so that when the new target mobile terminal enters a group communication state after receiving the paging message, the AMF11 is specifically configured to query a session state of a target group to which the new target mobile terminal is to join according to a group identifier of the target group; when the target group is in the state of no message transmission, the SMF14 is specifically configured to send a first update instruction to the AMF11, where the first update instruction includes a first command identifier; the first command identification is used for indicating that the new target mobile terminal is not activated immediately; the AMF11 is specifically configured to send a first paging message to the new target mobile terminal after receiving the first update instruction, where the first paging message includes a pre-created group command identifier, so that the new target mobile terminal interacts with the base station to execute a radio resource control configuration instruction after receiving the first paging message, so as to enter a radio resource control ready state; when the target group is in a message transmission state, the SMF14 is specifically configured to send a second update instruction to the AMF11, where the second update instruction includes a second command identifier, and the second command identifier is used to indicate that the new target mobile terminal is immediately activated; the AMF11 is specifically configured to send a second paging message to the new target mobile terminal after receiving the second update instruction, so that the new target mobile terminal and the base station interactively execute a radio resource control configuration instruction to enter a radio resource control connection state.
In some embodiments, the SMF14 sends a paging message to each group of first target mobile terminals through the AMF11, so that when each group of first target mobile terminals enters a group communication state after receiving the paging message, the SMF14 is specifically configured to send the create group session command to the AMF; the AMF is specifically configured to send a third paging message to each group of first target mobile terminals after receiving the group session creation command, where the third paging message includes a pre-group creation command identifier, so that each group of first target mobile terminals interacts with the base station to execute a radio resource control configuration instruction after receiving the paging message, and enters a radio resource control ready state.
In this embodiment, the location information includes: any one of a tracking area, a base station, and a cell.
For the functions of each module and the interaction process between the modules in this embodiment, please refer to the description of the corresponding steps of the method embodiments provided in the foregoing embodiments, which is not described herein again.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A method for automatically establishing a group under a 5G network is characterized by comprising the following steps:
the access and mobile management functional entity monitors whether a target mobile terminal enters a preset position range; when monitoring that a target mobile terminal enters, sending the ID of the target mobile terminal and the corresponding position information thereof to a position management functional entity;
the position management function entity counts the received ID of the target mobile terminal and the corresponding position information thereof according to a preset mobile terminal set and position identification corresponding relation table, so as to mark the target mobile terminal with the same position information as a set, and determines the position identification of which the number of the matched target mobile terminals in the relation table reaches a first preset threshold value by matching with the mobile terminal set and the position identification corresponding relation table stored in the position management function entity in advance, so as to screen out a first position identification from each position identification; the first position identification refers to the position identification of which the number of the matched mobile terminals reaches a first preset threshold value;
the position management functional entity sends an ID set of a first target mobile terminal matched with the first position identification in the target mobile terminal to a unified data management entity for authentication so as to group the first target mobile terminal set, wherein the unified data management entity groups the first target mobile terminal according to a prestored group identification and a corresponding group member ID thereof; receiving grouping information returned by the unified data management entity, wherein the grouping information comprises the ID of each group of first target mobile terminals;
the position management functional entity sends a command of establishing a group session to a session management functional entity; the command for creating the group session comprises grouping information;
the session management functional entity establishes group session information respectively according to the ID of each group of first target mobile terminals, wherein each group session information comprises the ID of all the mobile terminals participating in the group session;
and the session management functional entity sends a paging message to each group of first target mobile terminals through the access and mobile management functional entity, so that each group of first target mobile terminals enter a group communication state after receiving the paging message, wherein the group communication state is a preparation state for adjusting wireless link resources.
2. The method of claim 1, further comprising, after the group session is automatically established, the step of:
the access and mobile management functional entity monitors whether a new target mobile terminal enters a preset position range; when a new target mobile terminal is monitored to enter the preset position range, the ID of the new target mobile terminal and the corresponding position information are sent to the position management functional entity;
the position management functional entity acquires a second position identification matched with the position information of the new target mobile terminal according to a preset mobile terminal set and position identification corresponding relation table, and calculates whether the number of all target mobile terminals matched with the second position identification currently exceeds a second preset threshold value or not;
when judging that the ID of the new target mobile terminal does not exceed a second preset threshold value, the position management functional entity sends the ID of the new target mobile terminal to a unified data management entity for authentication so as to determine a target group to which the new target mobile terminal is to be added;
the position management function entity sends a group session update command to the session management function entity, wherein the group session update command comprises an ID of a new target mobile terminal and a group identifier of a target group to which the new target mobile terminal is to be added;
the session management functional entity updates the session information of the target group according to the group identification of the target group to which the new target mobile terminal is added and the ID of the new target mobile terminal;
and the session management functional entity sends a paging message to the new target mobile terminal through the access and mobile management functional entity so that the new target mobile terminal enters a group communication state after receiving the paging message.
3. The method according to claim 2, wherein the step of the session management function entity sending a paging message to the new target mobile terminal through the access and mobility management function entity for the new target mobile terminal to enter a group communication state after receiving the paging message comprises:
the session management functional entity inquires the session state of the target group according to the group identification of the target group to which the new target mobile terminal is added;
when the target group is in a state without message transmission, the session management functional entity sends a first updating instruction to the access and mobile management functional entity, wherein the first updating instruction comprises a first command identifier; the first command identification is used for indicating that the new target mobile terminal is not activated immediately;
after receiving the first update instruction, the access and mobility management functional entity sends a first paging message to the new target mobile terminal, where the first paging message includes a pre-created group command identifier, so that the new target mobile terminal interacts with a base station to execute a radio resource control configuration instruction after receiving the first paging message, so as to enter a radio resource control ready state, where the radio resource control ready state is an RRC _ INACTIVE state;
when the target group is inquired to be in a message transmission state, the session management functional entity sends a second updating instruction to the access and mobile management functional entity, wherein the second updating instruction comprises a second command identifier which is used for indicating that the new target mobile terminal is activated immediately; and after receiving the second updating instruction, the access and mobility management functional entity sends a second paging message to the new target mobile terminal so that the new target mobile terminal and the base station interactively execute a radio resource control configuration instruction to enter a radio resource control connection state.
4. The method as claimed in claim 1, wherein the step of the session management function entity sending a paging message to each group of first target mobile terminals through the access and mobility management function entity, so that each group of first target mobile terminals enters a group communication state after receiving the paging message comprises:
the session management functional entity sends the command of creating the group session to an access and mobile management functional entity;
and after receiving the group session creating command, the access and mobility management functional entity sends a third paging message to each group of first target mobile terminals, wherein the third paging message contains a pre-group creating command identifier, so that each group of first target mobile terminals can perform interaction with the base station to execute a radio resource control configuration instruction after receiving the paging message, and enter a radio resource control ready state, and the radio resource control ready state refers to an RRC _ INACTIVE state.
5. The method for automatically establishing a group under a 5G network according to any one of claims 1-4, wherein the location information comprises: any one of a tracking area, a base station, and a cell.
6. A system for automatically establishing a group under a 5G network is characterized by comprising:
the access and mobile management function entity is used for monitoring whether a target mobile terminal enters a preset position range; when the target mobile terminal is monitored to enter, the ID of the target mobile terminal and the corresponding position information are sent to a position management functional entity;
the position management function entity is used for counting the received ID of the target mobile terminal and the corresponding position information thereof according to a preset mobile terminal set and position identification corresponding relation table so as to mark the target mobile terminals with the same position information as a set, and determining the position identification of which the number of the matched target mobile terminals in the relation table reaches a first preset threshold value by matching with the mobile terminal set and the position identification corresponding relation table stored in the position management function entity in advance so as to screen out the first position identification from the position identifications; the first position identification refers to the position identification of which the number of the matched mobile terminals reaches a first preset threshold value; the system comprises a unified data management entity, a group member ID and a group identifier, wherein the unified data management entity is used for sending an ID set of a first target mobile terminal matched with the first position identifier in the target mobile terminal to a unified data management entity for authentication and receiving group information returned by the unified data management entity, the group information comprises the ID of each group of first target mobile terminals, and the unified data management entity groups the first target mobile terminals according to a prestored group identifier and the corresponding group member ID thereof;
the unified data management entity is used for authenticating the first target mobile terminal set so as to group the first target mobile terminal set and returning grouping information to the position management functional entity;
the position management function entity is also used for sending a command of creating the group session to the session management function entity; the command for creating the group session comprises grouping information;
the session management function entity is used for respectively establishing group session information according to the ID of each group of first target mobile terminals, wherein each group session information comprises the IDs of all the mobile terminals participating in the group session; and the access and mobile management function entity is further configured to send a paging message to each group of first target mobile terminals, so that each group of first target mobile terminals enters a group communication state after receiving the paging message, where the group communication state is a preparation state for adjusting radio link resources.
7. The system for automatically establishing a group under a 5G network according to claim 6, wherein after the group session is automatically established,
the access and mobile management functional entity is also used for monitoring whether a new target mobile terminal enters a preset position range; when a new target mobile terminal is monitored to enter the preset position range, the ID of the new target mobile terminal and the corresponding position information are sent to the position management functional entity;
the position management functional entity is further used for acquiring a second position identifier matched with the position information of the new target mobile terminal according to a preset mobile terminal set and position identifier corresponding relation table, and calculating whether the number of all target mobile terminals matched with the second position identifier currently exceeds a second preset threshold value or not; and further configured to send the ID of the new target mobile terminal to a unified data management entity for authentication when it is determined that the ID does not exceed a second preset threshold;
the unified data management entity is also used for authenticating the new target mobile terminal to determine a target group to which the new target mobile terminal is added;
the position management function entity is also used for sending a group session updating command to the session management function entity, wherein the group session updating command comprises the ID of a new target mobile terminal and the group identification of a target group to which the new target mobile terminal is added;
the session management function entity is also used for updating the session information of the target group according to the group identification of the target group to which the new target mobile terminal is added and the ID of the new target mobile terminal; and the access and mobile management function entity is also used for sending a paging message to the new target mobile terminal so that the new target mobile terminal enters a group communication state after receiving the paging message.
8. The system for automatically establishing a group under a 5G network as claimed in claim 7, wherein the session management function entity sends a paging message to the new target mobile terminal through the access and mobility management function entity for the new target mobile terminal to enter a group communication state after receiving the paging message,
the session management function entity is specifically configured to query a session state of the target group according to a group identifier of the target group to which the new target mobile terminal is to join;
when the target group is in a state of no message transmission, the session management functional entity is specifically configured to send a first update instruction to the access and mobility management functional entity, where the first update instruction includes a first command identifier; the first command identification is used for indicating that the new target mobile terminal is not activated immediately; the access and mobility management functional entity is specifically configured to send a first paging message to the new target mobile terminal after receiving the first update instruction, where the first paging message includes a pre-created group command identifier, so that the new target mobile terminal interacts with a base station to execute a radio resource control configuration instruction after receiving the first paging message to enter a radio resource control ready state, where the radio resource control ready state is an RRC _ INACTIVE state;
when the target group is in a message transmission state, the session management functional entity is specifically configured to send a second update instruction to the access and mobility management functional entity, where the second update instruction includes a second command identifier, and the second command identifier is used to indicate that the new target mobile terminal is immediately activated; the access and mobility management functional entity is specifically configured to send a second paging message to the new target mobile terminal after receiving the second update instruction, so that the new target mobile terminal and the base station interactively execute a radio resource control configuration instruction to enter a radio resource control connection state.
9. The system of claim 6, wherein the session management function entity sends a paging message to each group of first target mobile terminals through the access and mobility management function entity, so that when each group of first target mobile terminals enters a group communication state after receiving the paging message,
the session management functional entity is specifically configured to send the create group session command to an access and mobility management functional entity;
the access and mobility management functional entity is specifically configured to send a third paging message to each group of first target mobile terminals after receiving the group session creation command, where the third paging message includes a pre-group creation command identifier, so that each group of first target mobile terminals interacts with the base station to execute a radio resource control configuration instruction after receiving the paging message, and enters a radio resource control ready state, where the radio resource control ready state is an RRC _ INACTIVE state.
10. The system for automatically establishing a group under a 5G network according to any one of claims 6-9, wherein the location information comprises: any one of a tracking area, a base station, and a cell.
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| CN112672421B (en) * | 2020-12-28 | 2021-08-31 | 广州爱浦路网络技术有限公司 | Method, system, device and storage medium for positioning terminal in communication network |
| CN115086886B (en) * | 2021-03-10 | 2023-10-13 | 大唐移动通信设备有限公司 | Method, device and medium for controlling talk burst of point-to-multipoint communication service in group |
| CN113163472B (en) * | 2021-05-11 | 2022-04-26 | 中国联合网络通信集团有限公司 | AMF selection method and device |
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