CN111935651A - Cluster service implementation method, device, medium, base station and system - Google Patents
Cluster service implementation method, device, medium, base station and system Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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Abstract
The embodiment of the invention discloses a method, a device, a medium, a base station and a system for realizing a cluster service. The method is performed by a base station, and the method comprises: establishing network interface connection with a cluster core network, and acquiring a network slice identifier of the cluster core network; responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request; determining a target network interface according to the target identifier; and sending the NAS message of the terminal equipment to a cluster core network through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service. By adopting the technical scheme provided by the application, the corresponding cluster core networks can be distinguished at one side of the base station according to the slice identification information of the predefined cluster, so that the risk of air interface protocol conflict in 5G communication is avoided.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a method, a device, a medium, a base station and a system for realizing a cluster service.
Background
With the development of scientific technology, the official release of 3GPP R15, 5G communication is also entering commercial deployment.
Currently, the B-TrunC (Broadband Trunking Communication) standard has started research work on the 5G cluster in the prior art. The B-Trunc is a TD-LTE-based private network broadband trunking system standard of LTE digital transmission + trunking voice communication, which is established by the industry alliance organization of broadband trunking (B-Trunc).
B-TrunC redefines the reserved field of LTE, which is only 1bit, and in 5G this reserved field is still 1bit, with the risk of collision with B-TrunC due to the use of this field by 3GPP in protocol evolution. Therefore, in 5G communication, the loss is difficult to estimate if not avoided in time.
Disclosure of Invention
Embodiments of the present invention provide a method, an apparatus, a medium, a base station, and a system for implementing a cluster service, which can distinguish a corresponding cluster core network at a base station side according to slice identification information of a predefined cluster, thereby avoiding a risk of an air interface protocol collision in 5G communication.
In order to explain the scheme more intuitively, the base station provided in B-TrunC can distinguish data from a cluster terminal according to air interface information, and further can implement routing from the terminal to its home core network according to network sharing and a dedicated core network mechanism.
The following is the definition of the B-TrunC standard air interface MSG5 message:
RRCConnectionRequest ::= SEQUENCE {
criticalExtensions CHOICE {
rrcConnectionRequest-r8 RRCConnectionRequest-r8-IEs,
criticalExtensionsFuture SEQUENCE {}
}
}
RRCConnectionRequest-r8-IEs ::= SEQUENCE {
ue-Identity InitialUE-Identity,
establishmentCause EstablishmentCause,
isTrunkingUser BIT STRING （SIZE （1））
}
wherein the istrunk is used for distinguishing the data terminal from the cluster terminal, and the cluster terminal is filled with 1.
The following is the definition of RRCConnectionRequest-r8-IEs in 3GPP LTE:
RRCConnectionRequest-r8-IEs ::= SEQUENCE {
ue-Identity InitialUE-Identity,
establishmentCause EstablishmentCause,
spare BIT STRING (SIZE (1))
}
the RRCSetupRequest message of 5G is defined as follows:
RRCSetupRequest ::= SEQUENCE {
rrcSetupRequest RRCSetupRequest-IEs
}
RRCSetupRequest-IEs ::= SEQUENCE {
ue-Identity InitialUE-Identity,
establishmentCause EstablishmentCause,
spare BIT STRING (SIZE (1))
}
as can be seen from the definitions of B-TrunC and LTE, B-TrunC redefines the reserved field of LTE, which is only 1bit, and in 5G this reserved field is still 1bit, there is a risk of collision with B-TrunC due to the use of this field by 3GPP, and therefore, there is a need to consider using the new characteristics of 5G in 5G to avoid this risk.
In a first aspect, an embodiment of the present invention provides a method for implementing a trunking service, where the method is executed by a base station, and the method includes:
establishing network interface connection with a cluster core network, and acquiring a network slice identifier of the cluster core network;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request;
determining a target network interface according to the target identifier;
and sending the NAS message of the terminal equipment to a cluster core network through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service.
Further, the network slice identity comprises a first field;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request, wherein the method comprises the following steps:
responding to a connection request of a terminal device, and determining a first field of a target identifier in request information of the connection request;
determining a target network interface according to the target identifier, comprising:
and if the first field of the target identifier is consistent with the first field of the network slice identifier, determining that the network interface of the cluster core network is the target network interface.
Further, the network slice identifier further comprises a second field;
the request information further comprises a second field; the second field is a default value.
In a second aspect, an embodiment of the present invention provides a method for implementing a trunking service, where the method is executed by a base station, and the method includes:
establishing at least two network interface connections with at least two cluster core networks, and acquiring network slice identifiers of the cluster core networks;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request;
determining a target network interface from the at least two network interfaces according to the target identifier;
and sending the NAS signaling of the terminal equipment to a cluster core network corresponding to the target network interface through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service.
Further, the network slice identity comprises a first field and a second field; wherein, the first field is the same between the at least two cluster core networks, and the second field is different;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request, wherein the method comprises the following steps:
responding to a connection request of terminal equipment, and determining a first field and a second field of a target identifier in the request information;
determining a target network interface from the at least two network interfaces according to the target identifier, including:
and if the first field and the second field of the target identifier are consistent with the first field and the second field of the network slice identifier, the network interface is a target network interface.
In a third aspect, an embodiment of the present invention further provides an apparatus for implementing an online trunking service, where the apparatus is configured in a base station, and the apparatus includes:
the network slice identification acquisition module is used for establishing network interface connection with a cluster core network and acquiring a network slice identification of the cluster core network;
the target identification determining module is used for responding to a connection request of the terminal equipment and determining a target identification in request information of the connection request;
the target network interface determining module is used for determining a target network interface according to the target identifier;
and the N2 message transceiver module is configured to send the NAS message of the terminal device to a cluster core network through the target network interface, so as to establish a signaling connection related to the terminal and perform authentication and cluster service.
In a fourth aspect, an embodiment of the present invention further provides an apparatus for implementing an online trunking service, where the apparatus is configured in a base station, and the apparatus includes:
the network slice identifier acquisition module is used for establishing at least two network interface connections with at least two cluster core networks and acquiring the network slice identifiers of the cluster core networks;
the target identification determining module is used for responding to a connection request of the terminal equipment and determining a target identification in request information of the connection request;
the target network interface determining module is used for determining a target network interface from the at least two network interfaces according to the target identifier;
and the N2 message transceiver module is configured to send, through the target network interface, the NAS message of the terminal device to the cluster core network corresponding to the target network interface, so as to establish a signaling connection related to the terminal and perform authentication and cluster service.
In a fifth aspect, an embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements a cluster service implementing method according to the embodiment of the present application.
In a sixth aspect, an embodiment of the present application provides a base station, which includes a memory, a processor, and a computer program stored on the memory and executable by the processor, where the processor executes the computer program to implement the method for implementing a cluster service according to the embodiment of the present application.
In a seventh aspect, an embodiment of the present application provides a system for implementing a cluster service, where the system includes: the system comprises terminal equipment, a base station and at least one cluster core network; wherein:
the base station is used for establishing network interface connection with a cluster core network and acquiring a network slice identifier of the cluster core network;
the terminal device is used for sending a connection request to the base station, and request information of the connection request comprises a target identifier;
the base station is also used for determining a target network interface according to the target identifier; and sending the NAS message of the terminal equipment to a cluster core network through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service.
According to the technical scheme provided by the embodiment of the application, network interface connection is established with a cluster core network, and a network slice identifier of the cluster core network is obtained; responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request; determining a target network interface according to the target identifier; and sending the NAS message of the terminal equipment to a cluster core network through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service. By adopting the technical scheme provided by the application, the corresponding cluster core networks can be distinguished at one side of the base station according to the slice identification information of the predefined cluster, so that the risk of air interface protocol conflict in 5G communication is avoided.
Drawings
Fig. 1 is a flowchart of a cluster service implementation method according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an S-NSSAI according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an interaction process provided in an embodiment of the invention;
fig. 4 is a flowchart of a cluster service implementation method provided in the second embodiment of the present invention;
FIG. 5 is a schematic diagram of an interaction process provided in the second embodiment of the invention;
fig. 6 is a schematic structural diagram of a cluster service implementing apparatus according to a third embodiment of the present invention;
fig. 7 is a schematic structural diagram of a cluster service implementing apparatus according to a fourth embodiment of the present invention;
fig. 8 is a schematic structural diagram of a base station according to a sixth embodiment of the present application.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Example one
Fig. 1 is a flowchart of a method for implementing a cluster service in a network slice in 5G communication according to an embodiment of the present invention, where the method is applicable to a case where a network slice implements a cluster service in 5G communication.
As shown in fig. 1, the method is executed by a base station, and the method for implementing a trunking service includes:
s110, establishing network interface connection with a cluster core network, and acquiring a network slice identifier of the cluster core network.
Wherein the method may be performed by a base station. The base station may establish a network interface connection with the clustered core network. A base station (gNB) may perform an N2 setup procedure with a clustered core network, where N2 is the network interface between the core network and the base station.
The cluster core network is a network providing cluster services, and includes four logical entities, namely, an eMMC, an xGW, an eHSS, and a cluster control center, and these logical entities form actual network element equipment, such as a server, according to actual deployment. Therefore, the network slice described later is obtained by dividing the cluster core network into functions, and is composed of entities having one or more functions of the cluster core network.
By establishing the interface, the gNB obtains the S-NSSAI supported by the cluster core network, i.e., the network slice identifier of the core network. The S-NSSAI is short for Single Network Slice Selection Association Information, which identifies a Network Slice. Fig. 2 is a schematic structural diagram of an S-NSSAI according to an embodiment of the present invention, and as shown in fig. 2, the S-NSSAI is composed of two parts:
1) SST (Slice/Service type), Slice Service type, refers to the expected network Slice behavior in terms of functionality and Service.
2) Sd (slice differentiator), slice differentiation identifier, which is optional information, supplements the slice service type to differentiate multiple network slices of the same slice service type.
S120, responding to the connection request of the terminal equipment, and determining the target identification in the request information of the connection request.
The terminal device may connect to the gNB through a random access procedure, and may carry the S-NSSAI, i.e., the target identity, of the target cluster to be connected in the connection request. Wherein SST is filled as cluster SST and SD is filled as reserved, i.e. default, value.
S130, determining a target network interface according to the target identification.
After receiving the target identifier, the gNB may determine the target network interface according to the target identifier.
Since this scheme is for the case of a single cluster core network. Therefore, whether the terminal device needs to be connected to the single cluster core network can be determined by determining whether the target identifier is consistent with the slice identifier corresponding to the target network interface.
S140, sending the NAS message of the terminal equipment to a cluster core network through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service.
After determining the target network interface, the base station may send the NAS message to the clustered core network, i.e. the single clustered core network as determined above. Therefore, the connection among the terminal equipment, the base station and the cluster core network can be realized, and further, the processing flow of authentication and cluster conversation can be carried out on the basis of establishing the signaling connection related to the terminal.
NAS (Non-Access Stratum ) is an interface protocol between a terminal and a core network.
It can be understood that the technical solution provided in this embodiment may be applicable to a single cluster core network.
In this embodiment, optionally, the network slice identifier includes a first field;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request, wherein the method comprises the following steps:
responding to a connection request of a terminal device, and determining a first field of a target identifier in request information of the connection request;
determining a target network interface according to the target identifier, comprising:
and if the first field of the target identifier is consistent with the first field of the network slice identifier, determining that the network interface of the cluster core network is the target network interface.
Wherein the first field may be an SST field. The network interface of the cluster core network can be determined to be the target network interface according to the comparison between the SST field in the target identifier and the SST field in the network slice identifier.
On the basis of the above technical solution, optionally, the network slice identifier further includes a second field;
the request information further comprises a second field; the second field is a default value.
Wherein the second field may be an SD field. Since the SD field does not need to be distinguished in the case where the cluster core network is a single cluster core network, it may be set to a default value.
Fig. 3 is a schematic view of an interaction process provided in an embodiment of the present invention, and as shown in fig. 3, a service implementation process in a case where a cluster core network slice is deployed alone is shown, where a UE is a terminal device, and the following steps may be adopted:
step 1: the gNB and the cluster core network execute an N2 establishing process, and through the process, the gNB obtains S-NSSAI supported by the cluster core network;
step 2: the terminal accesses to the gNB through a random access process, and carries a cluster S-NSSAI in RRCSetupcomplete, wherein SST is filled as a cluster SST, and SD is filled as a reserved value;
and step 3: the gNB selects a cluster core network according to the SST of the terminal;
and 4, step 4: the gNB sends an Initial UE Message to a cluster core network;
and 5: and the UE, the gNB and the cluster core network continue to perform authentication and cluster session processing procedures.
The scheme is based on a 5G network slicing mechanism to realize the access of a special cluster core network. On the premise of not influencing the compatibility of a 5G air interface, an independent cluster core network can be added in the 5G network, the deployment of a plurality of independent cluster core networks can be supported, and the service isolation requirements of clients in a plurality of industries are met.
Example two
Fig. 4 is a flowchart of a cluster service implementation method provided in the second embodiment of the present invention, where this embodiment is applicable to a situation where a network slice implements a cluster service in 5G communication, and this method may be executed by a cluster service implementation device provided in the second embodiment of the present invention, and the device may be implemented in a software and/or hardware manner and may be integrated in a base station.
As shown in fig. 4, the method is executed by a base station, and the method for implementing a trunking service includes:
s410, establishing at least two network interface connections with at least two cluster core networks, and acquiring the network slice identifier of each cluster core network.
The scheme is suitable for designing scenes of two or more cluster core network slices. When there are at least two cluster core networks, at least two network interface connections need to be established, that is, one network interface connection needs to be established for each cluster core network.
S420, responding to the connection request of the terminal equipment, and determining the target identification in the request information of the connection request.
This step may be performed in the same manner as the step of the above-described embodiment. It will be appreciated that since there are multiple network interfaces, there is a need to determine a target network interface in a manner.
S430, determining a target network interface from the at least two network interfaces according to the target identifier.
In this embodiment, the target network interface of the at least two network interfaces may be determined according to the target identifier. Specifically, the determination may be made based on the SST field or the SST field and the SD field of the S-NSSAI. In a possible embodiment, the SST fields of at least two clustered core networks may be set to be different. In this scheme, preferably, the SST fields may be set to be the same, and the SD fields may be set to be different for distinguishing, so that the base station determines a target cluster core network to which the terminal device needs to connect.
S440, sending the NAS message of the terminal equipment to a cluster core network corresponding to the target network interface through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service.
It can be understood that the technical solution provided in this embodiment may be applicable to a situation of multiple cluster core networks.
In the above technical solution, optionally, the network slice identifier includes a first field and a second field; wherein, the first field is the same between the at least two cluster core networks, and the second field is different;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request, wherein the method comprises the following steps:
responding to a connection request of terminal equipment, and determining a first field and a second field of a target identifier in the request information;
determining a target network interface from the at least two network interfaces according to the target identifier, including:
and if the first field and the second field of the target identifier are consistent with the first field and the second field of the network slice identifier, the network interface is a target network interface.
Wherein the first field is an SST field and the second field is an SD field. A preferred embodiment may be provided herein for clarity of presentation of the present solution.
Fig. 5 is a schematic diagram of an interaction process provided in the second embodiment of the present invention, and as shown in fig. 5, there are multiple independent cluster core network slices, each core network slice has the same SST and a different SD.
Step 1: the gNB and the cluster core networks execute an N2 establishing process, through the process, the gNB obtains S-NSSAI supported by the cluster core networks, and the SD of each cluster core network is different;
step 2: the terminal is accessed to the gNB through a random access process, and a cluster S-NSSAI is carried in RRCSetupcomplete, wherein SST is filled as a cluster SST, and SD is filled as SD of a cluster core network to which the terminal belongs;
and step 3: the gNB selects a cluster core network according to the S-NSSAI of the terminal;
and 4, step 4: the gNB sends an Initial UE Message to a cluster core network;
and 5: and the UE, the gNB and the cluster core network continue to perform authentication and cluster session processing procedures.
In the scheme, under the cluster SST, a plurality of SDs can be defined according to networking conditions, and a base station distinguishes a plurality of independent cluster core networks.
EXAMPLE III
Fig. 6 is a schematic structural diagram of a cluster service implementing apparatus provided in the third embodiment of the present invention. As shown in fig. 6, the apparatus is configured at a base station, and the apparatus includes:
a network slice identifier obtaining module 610, configured to establish a network interface connection with a cluster core network, and obtain a network slice identifier of the cluster core network;
a target identifier determining module 620, configured to respond to a connection request of a terminal device, and determine a target identifier in request information of the connection request;
a target network interface determining module 630, configured to determine a target network interface according to the target identifier;
the N2 message transceiver module 640 is configured to send, through the target network interface, the NAS message of the terminal device to a cluster core network, so as to establish a signaling connection related to the terminal and perform authentication and cluster service.
The product can execute the method provided by the first embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
Example four
Fig. 7 is a schematic structural diagram of a cluster service implementing apparatus according to a fourth embodiment of the present invention. As shown in fig. 7, the apparatus is configured at a base station, and the apparatus includes:
a network slice identifier obtaining module 710, configured to establish at least two network interface connections with at least two cluster core networks, and obtain a network slice identifier of each cluster core network;
a target identifier determining module 720, configured to respond to a connection request of a terminal device, and determine a target identifier in request information of the connection request;
a target network interface determining module 730, configured to determine a target network interface from the at least two network interfaces according to the target identifier;
the N2 message transceiver module 740 is configured to send, through the target network interface, the NAS message of the terminal device to the cluster core network corresponding to the target network interface, so as to establish a signaling connection related to the terminal and perform authentication and cluster service.
The product can execute the method provided by the second embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
EXAMPLE five
Embodiments of the present application further provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform a method for implementing a cluster service, the method including:
establishing network interface connection with a cluster core network, and acquiring a network slice identifier of the cluster core network;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request;
determining a target network interface according to the target identifier;
and sending the NAS message of the terminal equipment to a cluster core network through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service.
Alternatively, it comprises:
establishing at least two network interface connections with at least two cluster core networks, and acquiring network slice identifiers of the cluster core networks;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request;
determining a target network interface from the at least two network interfaces according to the target identifier;
and sending the NAS message of the terminal equipment to a cluster core network corresponding to the target network interface through the target network interface so as to establish signaling connection related to the terminal and carry out authentication and cluster service.
Storage medium-any of various types of memory base stations or storage base stations. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in the computer system in which the program is executed, or may be located in a different second computer system connected to the computer system through a network (such as the internet). The second computer system may provide the program instructions to the computer for execution. The term "storage medium" may include two or more storage media that may reside in different locations, such as in different computer systems that are connected by a network. The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Of course, the storage medium provided in this embodiment of the present application and containing computer-executable instructions is not limited to the above-described online cluster service implementation operation, and may also perform related operations in the cluster service implementation method provided in any embodiment of the present application.
EXAMPLE six
The embodiment of the application provides a base station, and the base station can integrate the cluster service implementation device provided by the embodiment of the application. Fig. 8 is a schematic structural diagram of a base station according to a sixth embodiment of the present application. As shown in fig. 8, the present embodiment provides a base station 800, which includes: one or more processors 820; the storage 810 is configured to store one or more programs, and when the one or more programs are executed by the one or more processors 820, the one or more processors 820 are enabled to implement the cluster service implementation method provided in this embodiment of the present application, where the method includes:
establishing network interface connection with a cluster core network, and acquiring a network slice identifier of the cluster core network;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request;
determining a target network interface according to the target identifier;
and sending the NAS message of the terminal equipment to a cluster core network through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service.
Alternatively, it comprises:
establishing at least two network interface connections with at least two cluster core networks, and acquiring network slice identifiers of the cluster core networks;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request;
determining a target network interface from the at least two network interfaces according to the target identifier;
and sending the NAS message of the terminal equipment to a cluster core network corresponding to the target network interface through the target network interface so as to establish signaling connection related to the terminal and carry out authentication and cluster service.
Of course, those skilled in the art can understand that the processor 820 may also implement the technical solution of the cluster service implementation method provided in any embodiment of the present application.
The base station 800 shown in fig. 8 is only an example, and should not bring any limitation to the function and the scope of the application of the embodiments.
As shown in fig. 8, the base station 800 includes a processor 820, a storage device 810, an input device 830, and an output device 840; the number of the processors 820 in the base station may be one or more, and one processor 820 is taken as an example in fig. 8; the processor 820, the storage 810, the input 830 and the output 840 in the base station may be connected by a bus or other means, for example, by a bus 850 in fig. 8.
The storage device 810 is a computer-readable storage medium, and can be used to store a software program, a computer executable program, and a module unit, such as a program instruction corresponding to the cluster service implementation method in this embodiment of the application.
The storage device 810 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the storage 810 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, storage 810 may further include memory located remotely from processor 820, which may be connected via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 830 may be used to receive input numbers, character information, or voice information, and generate key signal inputs related to user settings and function control of the base station. Output device 840 may include a display screen, speakers, etc. base station.
The base station provided by the embodiment of the application can distinguish the corresponding cluster core network at one side of the base station according to the slice identification information of the predefined cluster, so that the risk of air interface protocol conflict in 5G communication is avoided.
EXAMPLE seven
The embodiment of the invention also provides a system for realizing the cluster service, which comprises: the system comprises terminal equipment, a base station and at least one cluster core network; wherein:
the base station is used for establishing network interface connection with a cluster core network and acquiring a network slice identifier of the cluster core network;
the terminal device is used for sending a connection request to the base station, and request information of the connection request comprises a target identifier;
the base station is also used for determining a target network interface according to the target identifier; and sending the NAS message of the terminal equipment to a cluster core network through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service.
The device, medium, base station and system for implementing the cluster service provided in the embodiments above may be used to operate the method for implementing the cluster service provided in any embodiment of the present application, and have corresponding functional modules and beneficial effects for operating the method. For details of the technology that are not described in detail in the above embodiments, reference may be made to a cluster service implementation method provided in any embodiment of the present application.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A method for implementing cluster service, the method being performed by a base station, the method comprising:
establishing network interface connection with a cluster core network, and acquiring a network slice identifier of the cluster core network;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request;
determining a target network interface according to the target identifier;
and sending the NAS message of the terminal equipment to a cluster core network through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service.
2. The method of claim 1, wherein the network slice identifier comprises a first field;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request, wherein the method comprises the following steps:
responding to a connection request of a terminal device, and determining a first field of a target identifier in request information of the connection request;
determining a target network interface according to the target identifier, comprising:
and if the first field of the target identifier is consistent with the first field of the network slice identifier, determining that the network interface of the cluster core network is the target network interface.
3. The method of claim 2, wherein the network slice identifier further comprises a second field;
the request information further comprises a second field; the second field is a default value.
4. A method for implementing cluster service, the method being performed by a base station, the method comprising:
establishing at least two network interface connections with at least two cluster core networks, and acquiring network slice identifiers of the cluster core networks;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request;
determining a target network interface from the at least two network interfaces according to the target identifier;
and sending the NAS message of the terminal equipment to a cluster core network corresponding to the target network interface through the target network interface so as to establish signaling connection related to the terminal and carry out authentication and cluster service.
5. The method of claim 4, wherein the network slice identifier comprises a first field and a second field; wherein, the first field is the same between the at least two cluster core networks, and the second field is different;
responding to a connection request of a terminal device, and determining a target identifier in request information of the connection request, wherein the method comprises the following steps:
responding to a connection request of terminal equipment, and determining a first field and a second field of a target identifier in the request information;
determining a target network interface from the at least two network interfaces according to the target identifier, including:
and if the first field and the second field of the target identifier are consistent with the first field and the second field of the network slice identifier, the network interface is a target network interface.
6. An apparatus for implementing trunking service, wherein the apparatus is configured at a base station, the apparatus comprising:
the network slice identification acquisition module is used for establishing network interface connection with a cluster core network and acquiring a network slice identification of the cluster core network;
the target identification determining module is used for responding to a connection request of the terminal equipment and determining a target identification in request information of the connection request;
the target network interface determining module is used for determining a target network interface according to the target identifier;
and the N2 message transceiver module is configured to send the NAS message of the terminal device to a cluster core network through the target network interface, so as to establish a signaling connection related to the terminal and perform authentication and cluster service.
7. An apparatus for implementing trunking service, wherein the apparatus is configured at a base station, the apparatus comprising:
the network slice identifier acquisition module is used for establishing at least two network interface connections with at least two cluster core networks and acquiring the network slice identifiers of the cluster core networks;
the target identification determining module is used for responding to a connection request of the terminal equipment and determining a target identification in request information of the connection request;
the target network interface determining module is used for determining a target network interface from the at least two network interfaces according to the target identifier;
and the N2 message transceiver module is configured to send, through the target network interface, the NAS message of the terminal device to the cluster core network corresponding to the target network interface, so as to establish a signaling connection related to the terminal and perform authentication and cluster service.
8. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, is adapted to carry out the cluster service enabling method according to any of the claims 1-3 or claims 4-5.
9. A base station comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the group service implementation method according to any of claims 1-3 or claims 4-5 when executing the computer program.
10. A system for implementing a cluster service, the system comprising: the system comprises terminal equipment, a base station and at least one cluster core network; wherein:
the base station is used for establishing network interface connection with a cluster core network and acquiring a network slice identifier of the cluster core network;
the terminal device is used for sending a connection request to the base station, and request information of the connection request comprises a target identifier;
the base station is also used for determining a target network interface according to the target identifier; and sending the NAS message of the terminal equipment to a cluster core network through the target network interface so as to establish signaling connection related to the terminal and perform authentication and cluster service.
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