CN110267327B - Service transmission method and device - Google Patents
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- CN110267327B CN110267327B CN201910381786.9A CN201910381786A CN110267327B CN 110267327 B CN110267327 B CN 110267327B CN 201910381786 A CN201910381786 A CN 201910381786A CN 110267327 B CN110267327 B CN 110267327B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 65
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- 238000010586 diagram Methods 0.000 description 8
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- 238000013461 design Methods 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
Abstract
The application provides a service transmission method and a service transmission device, relates to the field of communication, and can select a base station supporting a second service for a terminal and enable the terminal to access the base station under the condition that the base station currently connected with the terminal does not support the second service, so that the access failure rate of a network slicing service is reduced. The method comprises the following steps: in the process that a terminal and a first base station transmit a first service through a first network slice, network equipment receives a connection request message of a second service sent by the terminal; if the first base station does not support the second network slice, the network equipment determines at least one target base station from at least one second base station according to the prestored network slice types supported by the second base stations; and the network equipment sends the identifier of the at least one target base station to the terminal so that the terminal and a first target base station meeting the preset condition in the at least one target base station transmit a second service through a second network slice. The method is used for improving the access success rate of the network slicing service.
Description
Technical Field
The present application relates to the field of communications, and in particular, to a method and an apparatus for service transmission.
Background
With the development of network technology, the third generation partnership project (3 GPP) has proposed the concept of network slicing in a fifth generation (5th generation, 5G) mobile communication network. The physical network of an operator is divided into a plurality of virtual networks, each virtual network flexibly deals with different network application scenes according to different service requirements, namely, the same network is used for providing diversified services for users.
In the existing 5G network, a network slice is identified by single network slice selection assistance information (S-NSSAI), and a terminal may have 8S-NSSAIs at most to develop different service requirements. The same UE can establish different Protocol Data Unit (PDU) sessions for different network slices, the different PDU sessions have different quality of service requirements, and the network slices can find the optimal network transmission path for different network slices through the unified arrangement and management of network resources.
Under the existing 5G network slice design architecture, when a first network slice is established between a first base station and a terminal, if the terminal initiates a second service request to the first base station, and the first base station does not have a network slice capable of supporting the second service, the terminal cannot establish a second network slice connection under the condition that the connection with the first base station is not changed, so that the second network slice connection fails, data output of the second service is affected, and network experience of a user is reduced.
Disclosure of Invention
The application provides a service transmission method and a service transmission device, which can select a base station supporting a second service for a terminal and enable the terminal to establish connection of the second service with the base station under the condition that the base station currently connected with the terminal does not support the second service, thereby reducing the access failure rate of a network slicing service and improving the user experience.
In order to achieve the purpose, the technical scheme is as follows:
in a first aspect, the present application provides a service transmission method, which may include: in the process that the terminal and the first base station transmit the first service through the first network slice, the network equipment receives a connection request message of a second service sent by the terminal; wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service; if the first base station does not support the second network slice, the network equipment determines at least one target base station from the at least one second base station according to prestored network slice types supported by the second base stations; wherein the target base station is a base station of the at least one second base station that supports the second network slice; and the network equipment sends the identifier of the at least one target base station to the terminal so that the terminal and a first target base station meeting preset conditions in the at least one target base station transmit a second service through a second network slice.
In a second aspect, the present application provides a service transmission method, including: in the process that the terminal and the first base station transmit the first service through the first network slice, the terminal sends a connection request message of a second service to the network equipment; wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service; the terminal receives the identification of at least one target base station sent by the network equipment; the terminal respectively measures signals of each target base station according to the identification of the at least one target base station, and determines a first target base station which meets a preset condition in the at least one target base station; and the terminal and the first target base station transmit a second service through a second network slice.
In a third aspect, the present application provides a service transmission apparatus, including: a receiving unit, configured to receive a connection request message of a second service sent by the terminal in a process that the terminal and the first base station transmit a first service through a first network slice; wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service; a processing unit, configured to determine, if it is determined that the first base station does not support the second network slice, at least one target base station from the at least one second base station according to a pre-stored network slice type supported by each second base station; wherein the target base station is a base station of the at least one second base station that supports the second network slice; and the sending unit is used for sending the identifier of the at least one target base station to the terminal so that the terminal and a first target base station meeting preset conditions in the at least one target base station transmit a second service through a second network slice.
In a fourth aspect, the present application provides a service transmission apparatus, including: a sending unit, configured to send a connection request message of a second service to the network device in a process that the terminal and the first base station transmit a first service through a first network slice; wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service; a receiving unit, configured to receive an identifier of at least one target base station sent by the network device; the processing unit is used for respectively measuring signals of each target base station according to the identifier of the at least one target base station and determining a first target base station which meets a preset condition in the at least one target base station; and the processing unit is further used for transmitting a second service with the first target base station through a second network slice.
In a fifth aspect, the present application provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed by a computer, the computer executes the service transmission method described in any one of the first aspect, the second aspect, and various optional implementations of the first aspect and the second aspect.
In a sixth aspect, the present application provides a computer program product containing instructions, which when run on a computer, causes the computer to execute the service transmission method according to any one of the first aspect, the second aspect, and various alternative implementations thereof.
In a seventh aspect, the present application provides a communication system, which includes a first base station, at least one second base station, a network device, and a terminal.
The application provides a service transmission method and a device, wherein the method comprises the following steps: in the process that the terminal and the first base station transmit the first service through the first network slice, the network equipment receives a connection request message of a second service sent by the terminal; wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service; if the first base station does not support the second network slice, the network equipment determines at least one target base station from the at least one second base station according to prestored network slice types supported by the second base stations; wherein the target base station is a base station of the at least one second base station that supports the second network slice; and the network equipment sends the identifier of the at least one target base station to the terminal so that the terminal and a first target base station meeting preset conditions in the at least one target base station transmit a second service through a second network slice. The service transmission method provided by the application can select the base station supporting the second service for the terminal and enable the terminal to establish the connection of the second service with the base station under the condition that the base station currently connected with the terminal does not support the second service, so that the access failure rate of the network slice service is reduced, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural diagram of a communication system according to an embodiment of the present application;
fig. 2 is a schematic diagram of a service transmission method according to an embodiment of the present application;
fig. 3 is a first schematic diagram of a service transmission apparatus according to an embodiment of the present application;
fig. 4 is a schematic diagram of a service transmission apparatus according to an embodiment of the present application;
fig. 5 is a schematic diagram of a service transmission apparatus according to an embodiment of the present application;
fig. 6 is a fourth schematic diagram of a service transmission apparatus according to an embodiment of the present application.
Detailed Description
The service transmission method and apparatus provided in the embodiments of the present application are described in detail below with reference to the accompanying drawings.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.
The terms "first" and "second" and the like in the description and drawings of the present application are used for distinguishing different objects or for distinguishing different processes for the same object, and are not used for describing a specific order of the objects.
Furthermore, the terms "including" and "having," and any variations thereof, as referred to in the description of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that in the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
In the description of the present application, the meaning of "a plurality" means two or more unless otherwise specified.
The following is a description of technical terms involved in the examples of the present application:
network slicing: the physical network of an operator is divided into a plurality of virtual networks, and each virtual network flexibly deals with different network application scenes according to different service requirements. The essential of the method is that a physical network which exists in reality is divided into a plurality of virtual networks of different types on a logic level, and the virtual networks are divided according to indexes such as delay height, bandwidth size, reliability strength and the like according to service requirements of different users, so that the method can be applied to complex and changeable application scenes.
Network slice type: network slices can be divided into enhanced mobile broadband (eMBB), massive machine type communication (mtc), and ultra-reliable and low latency communication (urrllc). The eMBB can realize Gbps mobile broadband data access, three-dimensional video, ultra-high definition video, cloud work, cloud entertainment, augmented reality and the like; mMTC is mainly used for the construction of Internet of things, smart families, smart cities, intelligent buildings and the like; the application direction of the uRLLC is unmanned driving, remote medical operation, emergency task application and the like.
Network Slice Selection Assistance Information (NSSAI): the terminal selects and constructs slice instances by providing network slice selection auxiliary information, each piece of network slice selection auxiliary information corresponding to one network slice. The network slice selection auxiliary information comprises the service type carried by the network slice and the service quality of the service type. The network slice selection assistance information may be pre-configured or may be obtained by the terminal from the network. The network with the slicing function can select slices for the terminal according to the network slice selection auxiliary information provided by the terminal. In this embodiment of the present application, the network may be a 5G network, and the network slice selection auxiliary information includes a service type carried by the network slice and a service quality of the service type.
The embodiment of the present application provides a service transmission method, which is applied to a communication system 100, as shown in fig. 1, the communication system 100 includes a first base station 101, at least one second base station 102, a network device 103, and a terminal 104.
The network device 103 stores, in advance, the network slice types supported by the first base station and the network slice types supported by the second base stations 102.
The first base station 101 is configured to transmit a first service with the terminal 104 through a first network slice.
The second base station 102 is configured to, when the first base station 101 does not support the slice type of the second network slice, select, by the network device 103, a base station supporting the slice type of the second network slice from the second base station 102, and transmit, with the terminal 104, the second service through the second network slice.
The network device 103 is configured to store in advance the network slice types supported by the first base station 101 and the network slice types supported by each of the second base stations 102, and is further configured to store in advance distribution and coverage information of all the established base stations.
The terminal 104 starts up to scan a base station cell covering the terminal 104, determines a first base station 101 with the best signal quality from the base station cell covering the terminal 104, and resides on a frequency point of the first base station 101.
The terminal 104 may be connected to an access network device deployed by an operator through a wireless air interface, and then access to a data network; the first base station 101 and the second base station 102 are mainly used for implementing wireless physical layer functions, resource scheduling and wireless resource management, radio access control and mobility management functions.
The terminal 104 may be a User Equipment (UE), such as: cell phones, computers, and may also be cellular phones, Session Initiation Protocol (SIP) phones, smart phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), laptop computers, handheld communication devices, handheld computing devices, satellite radios, wireless modem cards, Set Top Boxes (STBs), Customer Premises Equipment (CPE), and/or other devices used to communicate over a wireless system.
The embodiment of the application provides a service transmission method, which is applied to a communication system shown in fig. 1. The following describes the technical solution of the embodiment of the present application in detail by taking the communication system as a 5G network as an example. As shown in fig. 2, the service transmission method includes S201 to S208:
s201, in the process that the terminal and the first base station transmit the first service through the first network slice, the terminal sends a connection request message of a second service to the network equipment.
Wherein the connection request message of the second service includes an identifier of the terminal and identifier information S-NSSAI-2 of a second network slice for transmitting the second service. The slice type of the second network slice is included in the S-NSSAI-2.
Specifically, the step S201 of transmitting, by the terminal and the first base station through the first network slice, the first service includes:
s301, the terminal sends a connection request message of the first service to the network equipment.
Wherein, the connection request message of the first service includes the identifier of the terminal and the identifier information S-NSSAI-1 of the first network slice for transmitting the first service. The slice type of the first network slice is included in the S-NSSAI-1.
S302, the network device receives a connection request message of a first service sent by the terminal and determines whether the first base station supports a first network slice. And if the first base station supports the first network slice, the terminal and the first base station transmit the first service through the first network slice.
Specifically, step S302 includes:
an access and mobility management function (AMF) receives a connection request message of a first service sent by the terminal.
And an authentication service function (AUSF) performs authentication on the terminal according to the identifier of the terminal, and determines whether the terminal supports the first network slice. And if the authentication of the terminal passes, continuing to execute the next step.
The AMF identifies S-NSSAI-1 in the connection request message of the first service, and sends the S-NSSAI-1 to a Network Slice Selection Function (NSSF), and the NSSF judges whether the first base station supports the first network slice according to the S-NSSAI-1. The NSSF stores an identification information set NSSAI of all network slices and base station information corresponding to each S-NSSAI in the NSSAI set. And if the base station corresponding to the S-NSSAI-1 in the NSSSAI set comprises the first base station, the first base station supports the first network slice.
If the first base station supports the first network slice, a network storage function (NRF) sends a Session Management Function (SMF) list and a User Plane Function (UPF) list to the AMF, and the AMF determines a corresponding SMF and establishes the first network slice. Further, the AMF determines a corresponding UPF to establish a connection of the first service between the terminal and a Data Network (DN).
And the terminal and the first base station transmit a first service through a first network slice.
S202, the network equipment receives a connection request message of the second service sent by the terminal.
Illustratively, the first service may be a network video service or a VR game, etc.; the second service may be a building intelligent conversation service or a smart home service, etc. The service types of the first service and the second service are not limited, and can be set according to requirements.
S203, the network device determines whether the first base station supports the second network slice.
Specifically, the AUSF performs authentication on the terminal according to the identifier of the terminal, and determines whether the terminal supports the second network slice. And if the authentication of the terminal passes, sending a connection request message of the second service to the AMF. The AMF identifies S-NSSAI-2 in the connection request message of the second service, and sends the S-NSSAI-2 to the NSSF, and the NSSF judges whether the first base station supports the second network slice according to the S-NSSAI-2. The NSSF stores an identification information set NSSAI of all network slices and base station information corresponding to each S-NSSAI in the NSSAI set. And if the base station corresponding to the S-NSSAI-2 in the NSSSAI set does not comprise the first base station, the first base station does not support the second network slice.
S204, if it is determined that the first base station does not support the second network slice, the network device determines at least one target base station from the at least one second base station according to the pre-stored network slice types supported by the second base stations.
Wherein the target base station is a base station of the at least one second base station that supports the second network slice.
Optionally, the determining, by the network device, at least one target base station from the at least one second base station according to the prestored network slice type supported by each second base station includes:
the network device determines a set of target base stations. Wherein the set of target base stations is a set of second base stations supporting the second network slice.
The network device determines the at least one target base station from the set of target base stations; and the at least one target base station is a base station covering the terminal in the target base station set.
Specifically, the NRF prestores distribution and coverage information of all established base stations, including the first base station and the second base station; the NRF also stores in advance a network slice type supported by the first base station and a network slice type supported by each of the second base stations. If the first base station does not support the second network slice, the NRF obtains the S-NSSAI-2 in the connection message of the second service, and searches for a base station corresponding to slice type information included in the S-NSSAI-2 from pre-stored network slice type information supported by each second base station, where the base station is at least one base station supporting the second network slice.
And the NRF determines the position of the terminal according to the position information reported by the terminal, and selects at least one target base station covering the terminal from the at least one base station supporting the second network slice according to a pre-stored base station coverage range.
S205, the network device sends the identifier of the at least one target base station to the terminal, so that the terminal and a first target base station that meets a preset condition in the at least one target base station transmit a second service through a second network slice.
The preset condition is that the signal strength is best and the signal strength is greater than a preset threshold value.
Specifically, at least one target base station supporting the second network slice is determined by step S304. And the AMF sends the identification of the at least one target base station and the measurement indication information to the terminal so that the terminal performs signal quality measurement on the base station according to the base station identification and transmits a second service with the first target base station meeting the preset condition through a second network slice.
S206, the terminal receives the identification of at least one target base station sent by the network equipment.
Specifically, the terminal receives a feedback message of the connection request of the AMF for the second service, where the feedback message includes the identifier of the at least one target base station and measurement indication information.
S207, the terminal respectively measures signals of each target base station according to the identification of the at least one target base station, and determines a first target base station which meets a preset condition in the at least one target base station.
Specifically, the terminal measures the signal strength of the identified base station according to the feedback message, and selects the base station with the best signal strength and greater than a preset threshold value as the first target base station.
And S208, the terminal and the first target base station transmit a second service through a second network slice.
Specifically, according to the first target base station determined in step S207, the terminal sends a connection request message of the second service to the AMF through the first target base station.
And the AMF receives the connection request message of the second service and sends the connection request message to the NRF. The NRF feeds back a Session Management Function (SMF) list and a User Plane Function (UPF) list to the AMF, and the AMF determines a corresponding SMF and establishes a second network slice. Further, the AMF determines a corresponding UPF to establish a connection of a second service between the terminal and a Data Network (DN).
And the terminal and the first target base station transmit a second service through a second network slice.
The embodiment of the application provides a service transmission method, which comprises the following steps: in the process that the terminal and the first base station transmit the first service through the first network slice, the network equipment receives a connection request message of a second service sent by the terminal; wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service. If the first base station does not support the second network slice, the network equipment determines at least one target base station from the at least one second base station according to prestored network slice types supported by the second base stations; wherein the target base station is a base station of the at least one second base station that supports the second network slice. And the network equipment sends the identifier of the at least one target base station to the terminal so that the terminal and a first target base station meeting preset conditions in the at least one target base station transmit a second service through a second network slice. The service transmission method provided by the application can select the base station supporting the second service for the terminal and enable the terminal to establish the connection of the second service with the base station under the condition that the base station currently connected with the terminal does not support the second service, so that the access failure rate of the network slice service is reduced, and the user experience is improved.
In the embodiment of the present application, the service transmission apparatus may be divided into the functional modules or the functional units according to the above method examples, for example, each functional module or functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module may be implemented in a form of hardware, or may be implemented in a form of a software functional module or a functional unit. The division of the modules or units in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
The embodiment of the application provides a service transmission device, which is characterized in that the service transmission device is applied to a communication system, wherein the communication system comprises a first base station, at least one second base station, network equipment and a terminal; the terminal and the first base station establish first service transmission; the network device stores in advance the network slice service information supported by the first base station and the network slice service information supported by each second base station. As shown in fig. 3, the apparatus includes:
a receiving unit 301, configured to receive a connection request message of a second service sent by the terminal in a process that the terminal and the first base station transmit a first service through a first network slice. The connection request message of the second service includes a slice type of a second network slice for transmitting the second service.
A processing unit 302, configured to determine, if it is determined that the first base station does not support the slice type of the second network slice, at least one target base station from the at least one second base station according to pre-stored network slice types supported by the respective second base stations. Wherein the target base station is a base station of the at least one second base station that supports the second network slice.
A sending unit 303, configured to send the identifier of the at least one target base station to the terminal, so that the terminal and a first target base station that meets a preset condition in the at least one target base station transmit a second service through a second network slice.
Optionally, the processing unit 302 is further configured to:
a set of target base stations is determined. Wherein the set of target base stations is a set of second base stations supporting the second network slice;
determining the at least one target base station from the set of target base stations. And the at least one target base station is a base station covering the terminal in the target base station set.
An embodiment of the present application provides a service transmission apparatus, where the apparatus includes: a receiving unit, configured to receive a connection request message of a second service sent by the terminal in a process that the terminal and the first base station transmit a first service through a first network slice; the connection request message of the second service comprises a slice type of a second network slice for transmitting the second service; a processing unit, configured to determine, if it is determined that the first base station does not support the slice type of the second network slice, at least one target base station from the at least one second base station according to pre-stored network slice types supported by the respective second base stations; wherein the target base station is a base station of the at least one second base station that supports the second network slice; and the sending unit is used for sending the identifier of the at least one target base station to the terminal so that the terminal and a first target base station meeting preset conditions in the at least one target base station transmit a second service through a second network slice. The service transmission method provided by the embodiment of the application can select the base station supporting the second service for the terminal and enable the terminal to establish the connection of the second service with the base station under the condition that the base station currently connected with the terminal does not support the second service, so that the access failure rate of the network slice service is reduced, and the user experience is improved.
An embodiment of the present application further provides a service transmission apparatus, as shown in fig. 4, the apparatus includes:
a sending unit 401, configured to send a connection request message of a second service to the network device in a process that the terminal and the first base station transmit a first service through a first network slice. Wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service.
A receiving unit 402, configured to receive an identifier of at least one target base station sent by the network device.
A processing unit 403, configured to perform signal measurement on each target base station according to the identifier of the at least one target base station, and determine a first target base station that meets a preset condition in the at least one target base station.
The processing unit 403 is further configured to transmit a second service with the first target base station through a second network slice.
An embodiment of the present application provides a service transmission apparatus, where the apparatus includes: a sending unit, configured to send a connection request message of a second service to the network device in a process that the terminal and the first base station transmit a first service through a first network slice. Wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service. A receiving unit, configured to receive an identifier of at least one target base station sent by the network device. And the processing unit is used for respectively carrying out signal measurement on each target base station according to the identifier of the at least one target base station and determining a first target base station which meets a preset condition in the at least one target base station. And the processing unit is further used for transmitting a second service with the first target base station through a second network slice. The service transmission method provided by the embodiment of the application can select the base station supporting the second service for the terminal and enable the terminal to establish the connection of the second service with the base station under the condition that the base station currently connected with the terminal does not support the second service, so that the access failure rate of the network slice service is reduced, and the user experience is improved.
Fig. 5 shows a schematic diagram of another possible structure of the service transmission apparatus in the above embodiment. The service transmission device comprises: a processor 502 and a communication interface 503. The processor 502 is used to control and manage the actions of the traffic transmitting device, e.g., to perform the steps performed by the processing unit 302 described above, and/or to perform other processes for the techniques described herein. The communication interface 503 is used for supporting communication between the service transmission apparatus and other network entities, for example, the steps performed by the receiving unit 301 and the sending unit 303 are performed. The service transmission means may also comprise a memory 501 and a bus 504, the memory 501 being used for storing program codes and data of the service transmission means.
The memory 501 may be a memory in a service transmission device, and the memory may include a volatile memory, such as a random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk; the memory may also comprise a combination of memories of the kind described above.
The processor 502 described above may be implemented or performed with the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor may be a central processing unit, general purpose processor, digital signal processor, application specific integrated circuit, field programmable gate array or other programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, a digital signal processor and a microprocessor, or the like.
The bus 504 may be an Extended Industry Standard Architecture (EISA) bus or the like. The bus 504 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 5, but this is not intended to represent only one bus or type of bus.
Fig. 6 also shows a schematic diagram of another possible structure of the service transmission apparatus in the above embodiment. The service transmission device comprises: a processor 602 and a communication interface 603. The processor 602 is configured to control and manage actions of the traffic transmitting device, for example, to perform the steps performed by the processing unit 403, and/or to perform other processes for the techniques described herein. The communication interface 603 is used for supporting communication between the service transmission apparatus and other network entities, for example, the steps performed by the sending unit 401 and the receiving unit 402 are performed. The service transmission device may further comprise a memory 601 and a bus 604, the memory 601 being used for storing program codes and data of the service transmission device.
The memory 601 may be a memory in the service transmission device, and the memory may include a volatile memory, such as a random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk; the memory may also comprise a combination of memories of the kind described above.
The processor 602 may be any logic block, module or circuitry that implements or executes the various illustrative logical blocks, modules and circuits described in connection with the disclosure herein. The processor may be a central processing unit, general purpose processor, digital signal processor, application specific integrated circuit, field programmable gate array or other programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, a digital signal processor and a microprocessor, or the like.
The bus 604 may be an Extended Industry Standard Architecture (EISA) bus or the like. The bus 604 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 6, but this is not intended to represent only one bus or type of bus.
The embodiment of the present application provides a communication system, which may include a first base station, a second base station, a terminal, and a network device, where the first base station and the second base station are configured to transmit data between a data network and the terminal, so as to execute the service transmission method provided in the embodiment of the present application. For the descriptions of the first base station, the second base station, the terminal, and the network device, reference may be specifically made to the related descriptions in the foregoing method embodiment and apparatus embodiment, and details are not repeated here.
Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
The present application provides a computer program product containing instructions, which when run on a computer, causes the computer to execute the service transmission method described in the above method embodiments.
An embodiment of the present application further provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the service transmission apparatus executes the instructions, the service transmission apparatus executes each step executed by the service transmission apparatus in the method flow shown in the foregoing method embodiment.
The computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), a register, a hard disk, an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing, or any other form of computer readable storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuit (ASIC). In embodiments of the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. A service transmission method is applied to a communication system, wherein the communication system comprises a first base station, at least one second base station, a network device and a terminal; the network device stores the network slice types supported by the first base station and the network slice types supported by the second base stations in advance; the method comprises the following steps:
in the process that the terminal and the first base station transmit the first service through the first network slice, the network equipment receives a connection request message of a second service sent by the terminal; wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service;
if the first base station does not support the second network slice, the network equipment determines at least one target base station from the at least one second base station according to prestored network slice types supported by the second base stations; wherein the target base station is a base station of the at least one second base station that supports the second network slice;
and the network equipment sends the identifier of the at least one target base station to the terminal so that the terminal and a first target base station meeting preset conditions in the at least one target base station transmit a second service through a second network slice.
2. The traffic transmission method according to claim 1, wherein the network device determining at least one target base station from the at least one second base station according to the prestored network slice types supported by the respective second base stations comprises:
the network equipment determines a target base station set; wherein the set of target base stations is a set of second base stations supporting the second network slice;
the network device determines the at least one target base station from the set of target base stations; and the at least one target base station is a base station covering the terminal in the target base station set.
3. A service transmission method is applied to a communication system, wherein the communication system comprises a first base station, at least one second base station, a network device and a terminal; the network device stores the network slice types supported by the first base station and the network slice types supported by the second base stations in advance; the method comprises the following steps:
in the process that the terminal and the first base station transmit the first service through the first network slice, the terminal sends a connection request message of a second service to the network equipment; wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service;
the terminal receives the identification of at least one target base station sent by the network equipment;
the terminal respectively measures signals of each target base station according to the identification of the at least one target base station, and determines a first target base station which meets a preset condition in the at least one target base station; the first target base station is a base station of which the signal strength measured by the signal is highest and is greater than a preset threshold value;
and the terminal and the first target base station transmit a second service through a second network slice.
4. A service transmission device is applied to a communication system, wherein the communication system comprises a first base station, at least one second base station, network equipment and a terminal; the network device stores the network slice types supported by the first base station and the network slice types supported by the second base stations in advance; the device comprises:
a receiving unit, configured to receive a connection request message of a second service sent by the terminal in a process that the terminal and the first base station transmit a first service through a first network slice; wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service;
a processing unit, configured to determine, if it is determined that the first base station does not support the second network slice, at least one target base station from the at least one second base station according to a pre-stored network slice type supported by each second base station; wherein the target base station is a base station of the at least one second base station that supports the second network slice;
and the sending unit is used for sending the identifier of the at least one target base station to the terminal so that the terminal and a first target base station meeting preset conditions in the at least one target base station transmit a second service through a second network slice.
5. The traffic transmission apparatus according to claim 4, wherein the processing unit is further configured to:
determining a target base station set; wherein the set of target base stations is a set of second base stations supporting the second network slice;
determining the at least one target base station from the set of target base stations; and the at least one target base station is a base station covering the terminal in the target base station set.
6. A service transmission device is applied to a communication system, wherein the communication system comprises a first base station, at least one second base station, network equipment and a terminal; the network device stores the network slice types supported by the first base station and the network slice types supported by the second base stations in advance; the device comprises:
a sending unit, configured to send a connection request message of a second service to the network device in a process that the terminal and the first base station transmit a first service through a first network slice; wherein the connection request message of the second service includes a slice type of a second network slice for transmitting the second service;
a receiving unit, configured to receive an identifier of at least one target base station sent by the network device;
the processing unit is used for respectively measuring signals of each target base station according to the identifier of the at least one target base station and determining a first target base station which meets a preset condition in the at least one target base station; the first target base station is a base station of which the signal strength measured by the signal is highest and is greater than a preset threshold value;
and the processing unit is further used for transmitting a second service with the first target base station through a second network slice.
7. A traffic transmission apparatus, characterized in that the traffic transmission apparatus comprises: a processor, a transceiver, and a memory; wherein the memory is used for storing one or more programs, the one or more programs comprising computer executable instructions, and when the service transmission apparatus is running, the processor executes the computer executable instructions stored in the memory to make the service transmission apparatus execute the service transmission method according to any one of claims 1 to 2 or claim 3.
8. A computer-readable storage medium having instructions stored therein, which when executed by a computer, cause the computer to perform the traffic transmission method of any one of claims 1 to 2 or claim 3.
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| CN201910381786.9A CN110267327B (en) | 2019-05-08 | 2019-05-08 | Service transmission method and device |
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