CN114301789B - Data transmission method and device, storage medium and electronic equipment - Google Patents
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Abstract
The disclosure belongs to the technical field of communication, and relates to a data transmission method and device, a storage medium and electronic equipment. The method comprises the following steps: receiving a multi-access session request sent by a terminal; the multi-access session request carries different slice identifiers respectively associated with the multiple access modes and information for allowing session network upgrade, wherein the slice identifiers respectively correspond to the different access modes; judging whether to support access to the network slices corresponding to the slice identifiers associated with different access modes, so as to obtain an access judgment result, and establishing data transmission between the terminal and the network slices in different access modes according to the access judgment result. In the present disclosure, the multiple access session request carries multiple slice identifiers respectively associated with different access modes, and the different slice identifiers correspond to the different access modes, so that data transmission between the different access modes and different network slices of the terminal in the multiple access session can be established.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a data transmission method, a data transmission device, a computer readable storage medium, and an electronic apparatus.
Background
With the development of communication technology, a terminal can establish data transmission between different access modes of the terminal and a network slice by sending a multi-access session request.
In the prior art, only data transmission between a terminal and the same network slice in different access modes can be established, which cannot meet different requirements of different access modes on the network slice.
In view of this, there is a need in the art to develop a new data transmission method and apparatus.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The disclosure aims to provide a data transmission method, a data transmission device, a computer readable storage medium and an electronic device, so as to overcome the problem that a terminal can only establish data transmission with the same network slice in a non-use access mode due to the related technology at least to a certain extent.
Other features and advantages of the present disclosure will be apparent from the following detailed description, or may be learned in part by the practice of the disclosure.
According to a first aspect of an embodiment of the present invention, there is provided a data transmission method, the method including: receiving a multi-access session request sent by a terminal; the multi-access session request carries a plurality of different slice identifiers respectively associated with a plurality of access modes and information for allowing session network upgrade, wherein the plurality of slice identifiers respectively correspond to the different access modes; judging whether to support access to the network slices corresponding to the slice identifiers associated with different access modes, so as to obtain an access judgment result, and establishing data transmission between the terminal and the network slices in different access modes according to the access judgment result.
In an exemplary embodiment of the present invention, the different access manners in the multiple access session request include a first access manner and a second access manner; the establishing data transmission between the terminal and the network slice in different access modes according to the access judgment result comprises the following steps: if the access judgment result is that the access of the first network slice corresponding to the first slice identifier in the first access mode is supported, and the access of the second network slice corresponding to the second slice identifier in the second access mode is also supported; establishing data transmission between the terminal and the first network slice in the first access mode, and establishing data transmission between the terminal and the second network slice in the second access mode; the first slice identifier and the second slice identifier are a plurality of different slice identifiers carried in the multi-access session request.
In an exemplary embodiment of the present invention, establishing data transmission between the terminal and the network slice in different access modes according to the access determination result includes: if the access judgment result is that only the first network slice corresponding to the first slice identifier in the first access mode is supported to be accessed, establishing data transmission between the terminal and the first network slice in the first access mode; or the access judgment result is that only the second network slice corresponding to the second slice identifier in the second access mode is supported to be accessed, and then the data transmission between the terminal and the second network slice in the second access mode is established.
In an exemplary embodiment of the invention, the method further comprises: if the access judgment result is that only the first network slice corresponding to the first slice identifier in the first access mode is supported to be accessed, establishing data transmission between the terminal and the first slice in the first access mode, and establishing data transmission between the terminal and a target network slice in the second access mode; wherein the target network slice is allowed to establish data transmission with the terminal at the time; or if the access judgment result is that only the second network slice corresponding to the second slice identifier in the second access mode is supported to be accessed, establishing data transmission between the terminal and the second network slice in the second access mode, and establishing data transmission between the terminal and the target network slice in the first access mode.
In an exemplary embodiment of the invention, the method further comprises: if the access judgment result is that the first network slice corresponding to the first slice identifier in the first access mode is not supported to be accessed, and the second network slice corresponding to the second slice identifier in the second access mode is not supported to be accessed, determining a target network slice in the network slices allowed to establish data transmission with the terminal; and establishing data transmission between the terminal and the target network slice in the first access mode, and establishing data transmission between the terminal and the target network slice in the second access mode.
In an exemplary embodiment of the invention, the determining a target network slice among network slices allowed to establish data transmission with the terminal comprises: determining all network slices allowed to establish data transmission with all access modes of the terminal; if the number of all the network slices is one, determining one network slice as a target network slice; and if the number of all the network slices is a plurality of network slices, determining the network slices which are consistent with the number of the access modes from the plurality of network slices as the target network slices.
In an exemplary embodiment of the invention, the target network slice includes a third network slice and a fourth network slice; the establishing data transmission between the terminal and the target network slice in the first access mode, and the establishing data transmission between the terminal and the target network slice in the second access mode, includes: establishing data transmission between the terminal and the third network slice in the first access mode, and establishing data transmission between the terminal and the fourth network slice in the second access mode; or establishing data transmission between the terminal and the fourth network slice in the first access mode, and establishing data transmission between the terminal and the third network slice in the second access mode.
According to a second aspect of embodiments of the present invention, there is provided a data transmission apparatus, the apparatus comprising: the receiving module is configured to receive a multi-access session request sent by the terminal; the multi-access session request carries a plurality of different slice identifiers respectively associated with a plurality of access modes and information for allowing session network upgrade, wherein the plurality of slice identifiers respectively correspond to the different access modes; the establishing module is configured to judge whether to support access to the network slice corresponding to the slice identifier associated with different access modes so as to obtain an access judgment result, and establish data transmission between the terminal and the network slice under different access modes according to the access judgment result.
According to a third aspect of an embodiment of the present invention, there is provided an electronic apparatus including: a processor and a memory; wherein the memory has stored thereon computer readable instructions which, when executed by the processor, implement the data transmission method of any of the above-described exemplary embodiments.
According to a fourth aspect of embodiments of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the data transmission method in any of the above-described exemplary embodiments.
As can be seen from the above technical solutions, the data transmission method, the data transmission device, the computer storage medium and the electronic device in the exemplary embodiment of the present invention have at least the following advantages and positive effects:
In the method and the device provided by the exemplary embodiment of the disclosure, on one hand, the multi-access session request carries a plurality of slice identifiers respectively associated with different access modes, and the different slice identifiers correspond to the different access modes, so that data transmission between the terminal and different network slices in the different access modes in the multi-access session can be established, on the other hand, the multi-access session request carries information allowing session network upgrade, and the network can establish a multi-data session or a single data session in the different access modes according to the access judgment result, so that the situation that the multi-access session request is directly refused when the network does not support the network slices in a certain access mode is avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without undue effort.
Fig. 1 schematically illustrates a flow chart of a data transmission method in an embodiment of the present disclosure;
fig. 2 schematically illustrates a flow chart of data transmission between a terminal and a network slice under different access modes established in a data transmission method in an embodiment of the disclosure;
Fig. 3 schematically illustrates a flow chart of data transmission between a terminal and a network slice under different access modes established in a data transmission method in an embodiment of the disclosure;
fig. 4 schematically illustrates a flow chart of data transmission between a terminal and a network slice under different access modes established in a data transmission method in an embodiment of the disclosure;
fig. 5 schematically illustrates a flow chart of data transmission between a terminal and a network slice under different access modes established in a data transmission method in an embodiment of the disclosure;
Fig. 6 schematically illustrates a flowchart of determining a target network slice among network slices allowed to establish data transmission with a terminal in the data transmission method in the embodiment of the present disclosure;
Fig. 7 schematically illustrates a flow chart of data transmission between a terminal and a target network slice under different access modes established in a data transmission method in an embodiment of the disclosure;
FIG. 8 schematically illustrates a schematic diagram of data interactions in a data transmission method in an embodiment of the disclosure;
Fig. 9 schematically illustrates a structural diagram of a data transmission apparatus in an embodiment of the present disclosure;
Fig. 10 schematically illustrates an electronic device for a data transmission method in an embodiment of the disclosure;
fig. 11 schematically illustrates a computer-readable storage medium for a data transmission method in an embodiment of the present disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the present disclosure. One skilled in the relevant art will recognize, however, that the aspects of the disclosure may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present disclosure.
The terms "a," "an," "the," and "said" are used in this specification to denote the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.; the terms "first" and "second" and the like are used merely as labels, and are not intended to limit the number of their objects.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.
In view of the problems in the related art, the present disclosure proposes a data transmission method. Fig. 1 shows a flow chart of a data transmission method, and as shown in fig. 1, the data transmission method at least includes the following steps:
S110, receiving a multi-access session request sent by a terminal; the multi-access session request carries different slice identifiers respectively associated with the multiple access modes and information for allowing session network upgrade, and the slice identifiers respectively correspond to the different access modes.
And S120, judging whether the network slices corresponding to the slice identifiers associated with different access modes are supported to be accessed so as to obtain an access judgment result, and establishing data transmission between the terminal and the network slices in different access modes according to the access judgment result.
In the method and the device provided by the exemplary embodiment of the disclosure, on one hand, the multi-access session request carries a plurality of slice identifiers respectively associated with different access modes, and the different slice identifiers correspond to the different access modes, so that data transmission between the terminal and different network slices in the different access modes in the multi-access session can be established, on the other hand, the multi-access session request carries information allowing session network upgrade, and the network can establish a multi-data session or a single data session in the different access modes according to the access judgment result, so that the situation that the multi-access session request is directly refused when the network does not support the network slices in a certain access mode is avoided.
The respective steps of the data transmission method are described in detail below.
In step S110, receiving a multi-access session request sent by a terminal; the multi-access session request carries different slice identifiers respectively associated with the multiple access modes and information for allowing session network upgrade, and the slice identifiers respectively correspond to the different access modes.
In the exemplary embodiment of the present disclosure, the terminal refers to a terminal device that needs to access to a network slice, and specifically, the terminal may be a mobile terminal, a computer terminal, or any terminal that needs to access to a network slice, which is not limited in this exemplary embodiment.
The multiple access session request is a request sent by the terminal, in which multiple slice identifiers are carried and are different, and different slice identifiers are associated with different access modes, specifically, the slice identifiers may be in the form of numbers, letters, or strings, which is not limited in particular by the present exemplary embodiment.
The network can access different network slices for the terminal under different access modes by receiving the multi-access session request, so that the data transmission is realized, and the network requirements of different services are further met.
In addition, the multi-access session request also carries information for allowing the session network to upgrade, and when the network receives the multi-access session request, the information for allowing the session network to upgrade can be identified, at this time, even if the network does not support the network slice in a certain access mode in the multi-access session request, the multi-access session request is not directly refused, and signaling overhead is reduced.
For example, the network receives a multi-access session request sent by the terminal, and the multi-access session request carries two different slice identifiers, namely a slice identifier a and a slice identifier B, an access mode corresponding to the slice identifier a is an access mode based on a third generation mobile communication technology, and an access mode corresponding to the slice identifier B is an access mode based on a wireless local area network, and in addition, the multi-access session request also carries information for allowing session network upgrade.
In this exemplary embodiment, on the one hand, the multiple access session request carries multiple different slice identifiers, and the multiple slice identifiers correspond to different access modes, so that multiple data sessions between the terminal and different network slices in different access modes can be established; on the other hand, the multi-access session request also carries information for allowing session network upgrade, so that in the follow-up, the network can establish multi-data session or single-data session for different access modes according to the access judgment result, and the situation that the network directly refuses the multi-access session request when the network does not support the network slice in a certain access mode is avoided.
In step S120, it is determined whether access to the network slice corresponding to the slice identifier associated with the different access modes is supported, so as to obtain an access determination result, and data transmission between the terminal and the network slice in the different access modes is established according to the access determination result.
In an exemplary embodiment of the present disclosure, an access determination result is obtained by an AMF (AuthenticationManagementFunction ) in a network, where the content of the determination is whether the network supports access to a network slice corresponding to slice identifiers in different access modes, and if the multiple access session request includes slice identifiers respectively associated with two access modes, the AMF needs to determine whether the network supports access to a network slice corresponding to slice identifiers associated with the two access modes, so as to obtain an access determination result.
Based on the above, if the access judgment result is that the network supports the access of the terminal to the network slice corresponding to the slice identifier under different access modes, a multi-data session between the terminal and the corresponding network slice under different access modes is established, and then the data transmission between the terminal and the corresponding network slice under different access modes is realized.
For example, the multi-access session request carries a slice identifier a associated with the access mode 1, a slice identifier B associated with the access mode 2, and the AMF determines whether the network supports accessing the terminal to the network slice a corresponding to the slice identifier a associated with the access mode 1, and determines whether the network supports accessing the terminal to the network slice B corresponding to the slice identifier B associated with the access mode 2, so as to obtain an access determination result.
Specifically, the access judgment result is that the network supports the terminal to access to the network slice a corresponding to the slice identifier a associated with the access mode 1, and simultaneously supports the terminal to access to the network slice B corresponding to the slice identifier B associated with the access mode 2, based on the network slice a, a multi-data session between the terminal and the corresponding network slice in two access modes is established, specifically, a data session between the terminal and the network slice a in the access mode 1 is established, and a data session between the terminal and the network slice B in the access mode 2 is established, so as to realize data transmission between the terminal and the network slice a and between the terminal and the network slice B.
In an alternative embodiment, fig. 2 shows a flow chart of data transmission between a terminal and a network slice under different access modes established in a data transmission method, where the different access modes in the multi-access session request include a first access mode and a second access mode, and as shown in fig. 2, the method at least includes the following steps: in step S210, if the access determination result is that the access to the first network slice corresponding to the first slice identifier in the first access mode is supported, and the access to the second network slice corresponding to the second slice identifier in the second access mode is also supported.
The multiple access session request carries different access modes, and generally, the different access modes are divided into two types, wherein one type of access mode is an access mode relying on 3GPP (3 rd Generation Partnership Project, third generation partnership project), for example, an access mode relying on third generation mobile communication technology, an access mode relying on fourth generation mobile communication technology, or an access mode relying on fifth generation mobile communication technology, and the second type of access mode is an access mode relying on non-3 GPP, for example, an access mode relying on wireless local area network, or an access mode relying on broadband of fixed network, which is not limited in particular in this exemplary embodiment.
Based on this, the first access mode may be an access mode relying on 3GPP, or an access mode relying on non-3 GPP, and the second access mode may be an access mode relying on 3GPP, or an access mode relying on non-3 GPP, which is not particularly limited in this exemplary embodiment.
The first access mode and the second access mode are two different access modes, so if the first access mode is an access mode relying on 3GPP, the second access mode is an access mode relying on non-3 GPP, and if the first access mode is an access mode relying on non-3 GPP, the second access mode is an access mode relying on 3 GPP.
The access judgment result may have a plurality of cases, wherein one case is that a first network slice corresponding to a first slice identifier in a first access mode is supported to be accessed, and in addition, a second network slice corresponding to a second slice identifier in a second access mode is supported to be accessed, and it is worth explaining that the first slice identifier is a slice identifier associated with the first access mode in the multi-access session request, the second slice identifier is a slice identifier corresponding to the second access mode in the multi-access session request, the first network slice corresponds to the first slice identifier, and the second network slice corresponds to the second slice identifier.
For example, the multiple access session request carries a first slice identifier a and a second slice identifier B, and the access mode corresponding to the first slice identifier a is a first access mode, the access mode corresponding to the second slice identifier B is a second access mode, and at this time, the access judgment result obtained by the AMF is that the access of the first network slice a corresponding to the first slice identifier a in the first access mode is supported, and the access of the second network slice B corresponding to the second slice identifier B in the second access mode is also supported.
In step S220, data transmission between the terminal and the first network slice in the first access mode is established, and data transmission between the terminal and the second network slice in the second access mode is established; the first slice identifier and the second slice identifier are a plurality of different slice identifiers carried in the multi-access session request.
Based on the access determination result in step S210, the AMF establishes two access mapping relationships, where the first access mapping relationship is an access mapping relationship between the terminal and the first network slice in the first access mode, and the second access mapping relationship is an access mapping relationship between the terminal and the second network slice in the second access mode.
And then the SMF (session Management Function, session management function entity) establishes data transmission between the terminal and the first network slice in the first access mode according to the access mapping relationship generated by the AMF, and also needs to establish data transmission between the terminal and the second network slice in the second access mode.
For example, based on the access determination result in step S210, the AMF establishes two access mapping relationships, where the first access mapping relationship is an access mapping relationship between the terminal and the network slice B in the access mode of the wireless local area network, and the second access mapping relationship is an access mapping relationship between the terminal and the network slice a in the access mode of the third generation mobile communication technology.
And then the SMF establishes data transmission between the terminal and the first network slice B in the access mode of the wireless local area network according to the two access mapping relations generated by the AMF, and also needs to establish data transmission between the terminal and the second network slice a in the access mode of the third generation mobile communication technology.
In this exemplary embodiment, when the access determination result is that the first network slice in the first access mode is supported and the second network slice in the second access mode is supported, multiple data sessions between the terminal and the corresponding network slice in two different access modes are respectively established, so that data transmission between the terminal and the corresponding network slice in the multiple access modes is realized, the requirement of different services on network resources is met, and the situation that in the prior art, no matter what access mode the terminal can only access one network slice is avoided.
In an alternative embodiment, fig. 3 shows a schematic flow chart of data transmission between a terminal and a network slice in different access modes established in a data transmission method, and as shown in fig. 3, the method at least includes the following steps: in step S310, if the access determination result indicates that only the first network slice corresponding to the first slice identifier in the first access mode is supported, data transmission between the terminal and the first network slice in the first access mode is established.
The other condition of the access judgment result is that only the first network slice corresponding to the first slice identifier in the first access mode is supported to be accessed, and the second network slice corresponding to the second slice identifier in the second access mode is not supported to be accessed at the moment, so that only a single data session between the terminal and the first network slice in the first access mode is established at the moment, and further, the data transmission between the terminal and the corresponding first network slice in the first access mode is realized.
For example, the first slice identifier a and the second slice identifier b of the carrier in the multi-access session request, where the slice identifier a corresponds to an access mode relying on the third generation mobile communication technology, and the second slice identifier b corresponds to an access mode relying on the wireless local area network.
Based on this, if the access judgment result is that the network only supports access to the first network slice a corresponding to the first slice identifier a in the access mode relying on the third-generation mobile communication technology, on this basis, the AMF needs to establish an access mapping relationship, and specifically, the one access mapping relationship is an access mapping relationship between the terminal and the network slice a in the access mode of the third-generation mobile communication technology.
And the SMF establishes a single data session between the terminal and the network slice A in an access mode based on the third generation mobile communication technology according to the access mapping relation generated by the AMF, so as to realize data transmission between the terminal and the network slice A.
In step S320, if the access determination result is that only the second network slice corresponding to the second slice identifier in the second access mode is supported, data transmission between the terminal and the second network slice in the second access mode is established.
When the access judgment result is that only the network slice corresponding to the slice identifier in one access mode is supported, only the second network slice corresponding to the second slice identifier in the second access mode is supported, and the first network slice corresponding to the first slice identifier in the first access mode is not supported, only the data transmission between the terminal and the second network slice in the second access mode is established.
For example, the multiple access session request carries a first slice identifier a and a second slice identifier b, where the first slice identifier a is associated with a first access mode, specifically, the first slice identifier a is associated with an access mode relying on a third generation mobile communication technology, the second slice identifier b is associated with a second access mode, specifically, the second slice identifier b is associated with an access mode relying on a wireless local area network.
Based on the above, if the access judgment result is that the network only supports to access the second network slice B corresponding to the second slice identifier B in the access mode depending on the wireless local area network, on the basis, the AMF needs to establish an access mapping relationship, and specifically, the access mapping relationship is the access mapping relationship between the terminal and the network slice B in the access mode of the wireless local area network.
And the SMF establishes a single data session between the terminal and the network slice B in an access mode depending on the wireless local area network according to the access mapping relation generated by the AMF, so as to realize data transmission between the terminal and the network slice B.
In this exemplary embodiment, when the access judgment result is that only the network slice in a certain access mode is supported, a single data session between the terminal and the corresponding network slice in the access mode is established, so that the situation that in the prior art, when the network does not support the network slice in the access mode, the multi-access session request is directly refused is avoided, and signaling overhead is further reduced.
In an alternative embodiment, fig. 4 shows a schematic flow chart of data transmission between a terminal and a network slice under different access modes in data transmission, and as shown in fig. 4, the method at least includes the following steps: in step S410, if the access determination result is that only the first network slice corresponding to the first slice identifier in the first access mode is supported, data transmission between the terminal and the first network slice in the first access mode is established, and data transmission between the terminal and the target network slice in the second access mode is established.
The access determination result has many cases, and when the access determination result is that only the first network slice corresponding to the first slice identifier in the first access mode is supported, or the access determination result is that only the second network slice corresponding to the second slice identifier in the second access mode is supported, the following processing modes exist in addition to the processing modes of step S310 and step S320.
Specifically, if the access judgment result is that only the first network slice corresponding to the first slice identifier in the first access mode is supported to be accessed, data transmission between the terminal and the first network slice in the second access mode needs to be established in addition to data transmission between the terminal and the target network slice in the first access mode, and it is worth explaining that the target network slice is the network slice which is determined by the AMF at the moment and allows data transmission to be established with the second access mode of the terminal.
For example, the multiple access session request carries a first slice identifier a and a second slice identifier b, where the first slice identifier a corresponds to a first access mode, specifically, the first slice identifier a is associated with an access mode relying on a third generation mobile communication technology, and the second slice identifier b is associated with a second access mode, specifically, the second slice identifier b is associated with an access mode relying on a wireless local area network.
Based on this, if the access judgment result is that only the network slice a corresponding to the access mode relying on the third generation mobile communication technology is supported, data transmission between the terminal and the first network slice a in the access mode relying on the third generation mobile communication technology is established, in addition, the AMF needs to determine a target network slice allowing data transmission to be established with the second access mode of the terminal at this time, if the target network slice determined by the AMF is the network slice C, data transmission between the access mode terminal of the wireless local area network and the network slice C is established, and if the target network slice determined by the AMF is the network slice D and the network slice F, one network slice can be selected arbitrarily from the network slice D and the network slice F to establish data transmission between the access mode terminal establishing the wireless local area network and the network slice.
In step S420, if the access determination result is that only the second network slice corresponding to the second slice identifier in the second access mode is supported, data transmission between the terminal and the second network slice in the second access mode is established, and data transmission between the terminal and the target network slice in the first access mode is established.
Correspondingly, if the access judgment result is that only the second network slice corresponding to the second slice identifier in the second access mode is supported to be accessed, data transmission between the terminal and the second network slice in the second access mode is required to be established, and data transmission between the terminal and the target network slice in the first access mode is required to be established.
For example, the multiple access session request carries a first slice identifier a and a second slice identifier b, where the first slice identifier a is associated with a first access mode, specifically, the first slice identifier a is associated with an access mode relying on a third generation mobile communication technology, and the second slice identifier b is associated with a second access mode, specifically, the second slice identifier is associated with an access mode relying on a wireless local area network.
Based on this, if the access judgment result is that only the network slice B associated with the access mode relying on the wireless lan technology is supported, then data transmission between the terminal and the second network slice B in the access mode relying on the wireless lan technology is established, in addition, the AMF needs to determine a target network slice that allows data transmission to be established between the terminal and the first access mode of the terminal at this time, if the target network slice determined by the AMF is the network slice C, then data transmission between the terminal and the network slice C in the access mode relying on the third generation mobile communication technology is established, if the target network slice determined by the AMF is the network slice D and the network slice F, then one network slice can be selected arbitrarily from the network slice D and the network slice F, so as to establish data transmission between the terminal and the network slice in the access mode relying on the third generation mobile communication technology.
In this exemplary embodiment, if the access judgment result is that only the network slice in a certain access mode is supported, data transmission between the terminal and the network slice in the supported access mode is required to be established, and data transmission between the terminal and the target network slice in the unsupported access mode is also required to be established, so that flexibility of establishing data transmission between the terminal and the network slice is increased, requirements of no service on network resources are met, and the situation that in the prior art, when the network does not support the network slice in the access mode, a multi-access session request is directly refused is avoided, thereby reducing signaling overhead.
In an alternative embodiment, fig. 5 shows a schematic flow chart of data transmission between a terminal and a network slice under different access modes in data transmission, and as shown in fig. 5, the method at least includes the following steps: in step S510, if the access determination result is that the access to the first network slice corresponding to the first slice identifier in the first access mode is not supported, and the access to the second network slice corresponding to the second slice identifier in the second access mode is not supported, determining the target network slice from the network slices allowed to establish data transmission with the terminal.
In addition to the above cases, there may be a case where the AMF is required to determine a network slice that allows data transmission with all access modes of the terminal at this time, if the AMF determines that one network slice that allows data transmission with the terminal at this time is determined to be the determined target network slice, and if the AMF determines that a plurality of network slices that allow data transmission with the terminal at this time are determined to be the determined target network slice, any two of the plurality of network slices are selected as the target network slice.
For example, the multiple access session request carries a first slice identifier a and a second slice identifier b, where the first slice identifier a is associated with a first access mode, specifically, the first slice identifier a is associated with an access mode relying on a third generation mobile communication technology, and the second slice identifier b is associated with a second access mode, specifically, the second slice identifier b is associated with an access mode relying on a wireless local area network.
Based on the above, if the access judgment result is that the first network slice a corresponding to the first slice identifier a under the access mode relying on the third generation mobile communication technology is neither supported to be accessed, nor the second network slice B corresponding to the second slice identifier B under the access mode relying on the wireless local area network technology is supported to be accessed, then determining the target network slice, and specifically, determining the determined target network slice to be the network slice C.
In step S520, data transmission between the terminal and the target network slice in the first access mode is established, and data transmission between the terminal and the target network slice in the second access mode is established.
After determining the target network slice, data transmission between the terminal and the target network slice in the first access mode is established, and in addition, data transmission between the terminal and the target network slice in the second access mode is also required to be established.
For example, the multiple access session request carries a first slice identifier a and a second slice identifier b, where the first slice identifier a is associated with a first access mode, specifically, the first slice identifier a is associated with an access mode relying on a third generation mobile communication technology, and the second slice identifier b is associated with a second access mode, specifically, the second slice identifier b is associated with an access mode relying on a wireless local area network.
Based on this, if the access judgment result is that the first network slice a corresponding to the first slice identifier a in the access mode relying on the third generation mobile communication technology is neither supported nor the second network slice B corresponding to the second slice identifier B in the access mode relying on the wireless local area network technology is supported, then determining the target network slice, specifically, determining the target network slice as the network slice C, further establishing data transmission between the terminal and the target network slice C in the access mode relying on the third generation mobile communication technology, and further establishing data transmission between the terminal and the target network slice C in the access mode relying on the wireless local area network technology.
In this exemplary embodiment, even if the access determination result is that the first network slice corresponding to the first slice identifier in the first access mode is not supported, the second network slice corresponding to the second slice identifier in the second access mode is not supported, data transmission between the terminal and the target network slice in different access modes can still be established, so that the situation that in the prior art, when the network does not support access to the network slice in a certain access mode, the multi-access session request is directly refused is avoided.
In an alternative embodiment, fig. 6 shows a schematic flow chart of determining a target network slice among network slices allowed to establish data transmission with a terminal in a data transmission method, and as shown in fig. 6, the method at least includes the following steps: in step S610, all network slices that are allowed to establish data transmission with all access modes of the terminal are determined.
All network slices refer to slices which are determined by the AMF at the moment and can establish data transmission with all access modes of the terminal.
For example, when the access determination result is that the access to the first network slice corresponding to the first slice identifier in the first access mode is not supported, and the access to the second network slice corresponding to the second slice identifier in the second access mode is not supported, the AMF needs to determine the network slice that can establish data transmission with all the access modes of the terminal at this time.
In step S620, if the number of all the network slices is one, it is determined that one network slice is the target network slice.
If the AMF determines that the network slice capable of establishing data transmission with all access modes of the terminal is one network slice, the network slice is determined to be the target network slice.
For example, the AMF determines that the network slice that can establish data transmission with all access modes of the terminal at this time is the network slice C, and determines that the network slice C is the target network slice at this time.
In step S630, if the number of all the network slices is plural, the network slice corresponding to the number of access methods is determined as the target network slice among the plurality of network slices.
If the AMF determines that the number of network slices capable of establishing data transmission with all access modes of the terminal is multiple, determining a target network slice from the multiple network slices according to the number of access modes.
For example, if the network slice that can establish data transmission with all the access modes of the terminal and is determined by the AMF at this time includes a network slice C, a network slice D, and a network slice E, and the access modes include a first access mode and a second access mode, any two network slices are determined to be target network slices in the network slice C, the network slice D, and the network slice E.
In the present exemplary embodiment, the number of target network slices may be one or more, so that the situation that in the prior art, when the network does not support to access to a network slice in a certain access mode, the multiple access session request is directly refused is avoided.
In an alternative embodiment, fig. 7 shows a schematic flow chart of data transmission between a terminal and a target network slice in a data transmission method in different access modes, where the target network slice includes a third network slice and a fourth network slice, and as shown in fig. 7, the method at least includes the following steps: in step S710, data transmission between the terminal and the third network slice in the first access mode is established, and data transmission between the terminal and the fourth network slice in the second access mode is established.
When the target network slice is multiple and the multiple target network slices include a third network slice and a fourth network slice, data transmission between the terminal and the third network slice in the first access mode can be established, and data transmission between the terminal and the fourth network slice in the second access mode can be established.
For example, if the number of all the network slices is plural, and it is determined that the target network slice determined from the plural network slices includes the third network slice C and the fourth network slice D, then data transmission between the terminal and the third network slice C in the first access mode is established, and data transmission between the terminal and the fourth network slice D in the second access mode is established.
In step S720, data transmission between the terminal and the fourth network slice in the first access mode is established, and data transmission between the terminal and the third network slice in the second access mode is established.
In addition to the establishing method in step S710, data transmission between the terminal and the fourth network slice in the first access method may be established, and data transmission between the terminal and the third network slice in the second access method may be established.
For example, if the number of all the network slices is plural, and it is determined that the target network slice determined from the plural network slices includes the third network slice C and the fourth network slice D, then data transmission between the terminal and the fourth network slice D in the first access mode is established, and data transmission between the terminal and the third network slice C in the second session mode is established.
In this exemplary embodiment, when the target network slice is multiple, data transmission between the terminal and one of the multiple network slices in the first access mode and data transmission between the terminal and another one of the multiple network slices in the second access mode can be respectively established, which not only avoids the situation that in the prior art, when the network does not support access to a network slice in a certain access mode, multiple access session requests are directly refused, but also satisfies the requirements of different services on the network.
In the method and the device provided by the exemplary embodiment of the disclosure, on one hand, the multi-access session request carries a plurality of slice identifiers respectively associated with different access modes, and the different slice identifiers correspond to the different access modes, so that data transmission between the terminal and different network slices in the different access modes in the multi-access session can be established, on the other hand, the multi-access session request carries information allowing session network upgrade, and the network can establish a multi-data session or a single data session in the different access modes according to the access judgment result, so that the situation that the multi-access session request is directly refused when the network does not support the network slices in a certain access mode is avoided.
The data transmission method in the embodiment of the present disclosure is described in detail below in connection with an application scenario.
Fig. 8 schematically illustrates a schematic diagram of data interaction in a data transmission method in the embodiment of the present disclosure, as shown in fig. 8, where a terminal 810 is a mobile terminal, and a network 820 includes an AMF and an SMF, and at this time, the mobile terminal sends a multiple access session request 830 to the AMF, where different access manners of carriers in the multiple access session request 830 are an access manner of a wireless local area network and an access manner of a third generation wireless communication network, respectively, and the access manner of the wireless local area network is associated with a first slice identifier, and the access manner of the third generation wireless communication network is associated with a second slice identifier.
After the AMF receives the multi-access session request 830, step S840 is performed, i.e., determining whether the network supports access to a first network slice corresponding to the first slice identifier in the first access mode, and determining whether the network supports access to a second network slice corresponding to the second slice identifier in the second access mode, so as to obtain an access determination result.
Then, step S850 is executed, where the SMF establishes data transmission between the terminal and the network slice in different access modes according to the access determination result table.
In the application scenario, on one hand, the multi-access session request carries a plurality of slice identifiers respectively associated with different access modes, and the different slice identifiers correspond to the different access modes, so that data transmission between the terminal and different network slices in the different access modes in the multi-access session can be established, on the other hand, the multi-access session request carries information allowing session network upgrade, and the network can establish a multi-data session or a single data session in the different access modes according to an access judgment result, so that the situation that the multi-access session request is directly refused when the network does not support the network slices in a certain access mode is avoided.
In addition, in an exemplary embodiment of the present disclosure, a data transmission apparatus is also provided. Fig. 9 shows a schematic structural diagram of a data transmission device, and as shown in fig. 9, a data transmission device 900 may include: a receiving module 910 and a setting up module 920. Wherein:
A receiving module 910 configured to receive a multi-access session request sent by a terminal; the multi-access session request carries different slice identifiers respectively associated with the multiple access modes and information for allowing session network upgrade, wherein the slice identifiers respectively correspond to the different access modes; the establishing module 920 is configured to determine whether to support access to the network slice corresponding to the slice identifier associated with the different access modes, so as to obtain an access determination result, and establish data transmission between the terminal and the network slice in the different access modes according to the access determination result.
The details of the data transmission device 900 are described in detail in the corresponding data transmission method, and thus are not described herein.
It should be noted that although several modules or units of the data transmission device 900 are mentioned in the above detailed description, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit in accordance with embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
In addition, in an exemplary embodiment of the present disclosure, an electronic device capable of implementing the above method is also provided.
An electronic device 1000 according to such an embodiment of the invention is described below with reference to fig. 10. The electronic device 1000 shown in fig. 10 is merely an example and should not be construed as limiting the functionality and scope of use of embodiments of the present invention.
As shown in fig. 10, the electronic device 1000 is embodied in the form of a general purpose computing device. Components of electronic device 1000 may include, but are not limited to: the at least one processing unit 1010, the at least one memory unit 1020, a bus 1030 connecting the various system components (including the memory unit 1020 and the processing unit 1010), and a display unit 1040.
Wherein the storage unit stores program code that is executable by the processing unit 1010 such that the processing unit 1010 performs steps according to various exemplary embodiments of the present invention described in the above section of the "exemplary method" of the present specification.
The memory unit 1020 may include readable media in the form of volatile memory units such as Random Access Memory (RAM) 1021 and/or cache memory unit 1022, and may further include Read Only Memory (ROM) 1023.
Storage unit 1020 may also include a program/usage tool 1024 having a set (at least one) of program modules 1025, such program modules 1025 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which may include the reality of a network environment, or some combination thereof.
Bus 1030 may be representing one or more of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.
The electronic device 1000 can also communicate with one or more external devices 1070 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 1000, and/or with any device (e.g., router, modem, etc.) that enables the electronic device 1000 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 1050. Also, electronic device 1000 can communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through network adapter 1060. As shown, the network adapter 1060 communicates with other modules of the electronic device 1000 over the bus 1030. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with the electronic device 1000, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, and includes several instructions to cause a computing device (may be a personal computer, a server, a terminal device, or a network device, etc.) to perform the method according to the embodiments of the present disclosure.
In an exemplary embodiment of the present disclosure, a computer-readable storage medium having stored thereon a program product capable of implementing the method described above in the present specification is also provided. In some possible embodiments, the various aspects of the invention may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps according to the various exemplary embodiments of the invention as described in the "exemplary methods" section of this specification, when said program product is run on the terminal device.
Referring to fig. 11, a program product 1100 for implementing the above-described method according to an embodiment of the present invention is described, which may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited thereto, and in this document, a 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 program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The computer readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected via the Internet using an Internet service provider).
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (10)
1. A method of data transmission, the method comprising:
Receiving a multi-access session request sent by a terminal; the multi-access session request carries a plurality of different slice identifiers respectively associated with a plurality of access modes and information for allowing session network upgrade, wherein the plurality of slice identifiers respectively correspond to the different access modes; the session network upgrading information is used for avoiding that the multi-access session request is directly refused when a network slice in a certain access mode is not supported;
judging whether to support access to the network slices corresponding to the slice identifiers associated with different access modes, so as to obtain an access judgment result, and establishing data transmission between the terminal and the network slices in different access modes according to the access judgment result.
2. The data transmission method according to claim 1, wherein the different access modes in the multi-access session request include a first access mode and a second access mode;
the establishing data transmission between the terminal and the network slice in different access modes according to the access judgment result comprises the following steps:
If the access judgment result is that the access of the first network slice corresponding to the first slice identifier in the first access mode is supported, and the access of the second network slice corresponding to the second slice identifier in the second access mode is also supported;
Establishing data transmission between the terminal and the first network slice in the first access mode, and establishing data transmission between the terminal and the second network slice in the second access mode; the first slice identifier and the second slice identifier are a plurality of different slice identifiers carried in the multi-access session request.
3. The data transmission method according to claim 2, wherein establishing data transmission between the terminal and the network slice in different access modes according to the access determination result comprises:
If the access judgment result is that only the first network slice corresponding to the first slice identifier in the first access mode is supported to be accessed, establishing data transmission between the terminal and the first network slice in the first access mode; or (b)
And if the access judgment result is that only the second network slice corresponding to the second slice identifier in the second access mode is supported to be accessed, establishing data transmission between the terminal and the second network slice in the second access mode.
4. A data transmission method according to claim 3, characterized in that the method further comprises:
If the access judgment result is that only the first network slice corresponding to the first slice identifier in the first access mode is supported to be accessed, establishing data transmission between the terminal and the first slice in the first access mode, and establishing data transmission between the terminal and a target network slice in the second access mode; wherein the target network slice is allowed to establish data transmission with the terminal at the time; or (b)
If the access judgment result is that only the second network slice corresponding to the second slice identifier in the second access mode is supported to be accessed, establishing data transmission between the terminal and the second network slice in the second access mode, and establishing data transmission between the terminal and the target network slice in the first access mode.
5. The data transmission method according to claim 2, characterized in that the method further comprises:
If the access judgment result is that the first network slice corresponding to the first slice identifier in the first access mode is not supported to be accessed, and the second network slice corresponding to the second slice identifier in the second access mode is not supported to be accessed, determining a target network slice in the network slices allowed to establish data transmission with the terminal;
And establishing data transmission between the terminal and the target network slice in the first access mode, and establishing data transmission between the terminal and the target network slice in the second access mode.
6. The data transmission method according to claim 5, wherein the determining a target network slice among network slices allowed to establish data transmission with the terminal comprises:
Determining all network slices allowed to establish data transmission with all access modes of the terminal;
if the number of all the network slices is one, determining one network slice as a target network slice;
And if the number of all the network slices is a plurality of network slices, determining the network slices which are consistent with the number of the access modes from the plurality of network slices as the target network slices.
7. The data transmission method of claim 6, wherein the target network slice comprises a third network slice and a fourth network slice;
The establishing data transmission between the terminal and the target network slice in the first access mode, and the establishing data transmission between the terminal and the target network slice in the second access mode, includes:
Establishing data transmission between the terminal and the third network slice in the first access mode, and establishing data transmission between the terminal and the fourth network slice in the second access mode; or (b)
And establishing data transmission between the terminal and the fourth network slice in the first access mode, and establishing data transmission between the terminal and the third network slice in the second access mode.
8. A data transmission apparatus, comprising:
The receiving module is configured to receive a multi-access session request sent by the terminal; the multi-access session request carries a plurality of different slice identifiers respectively associated with a plurality of access modes and information for allowing session network upgrade, wherein the plurality of slice identifiers respectively correspond to the different access modes; the session network upgrading information is used for avoiding that the multi-access session request is directly refused when a network slice in a certain access mode is not supported;
the establishing module is configured to judge whether to support access to the network slice corresponding to the slice identifier associated with different access modes so as to obtain an access judgment result, and establish data transmission between the terminal and the network slice under different access modes according to the access judgment result.
9. An electronic device, comprising:
A processor;
a memory for storing executable instructions of the processor;
Wherein the processor is configured to perform the data transmission method of any of claims 1-7 via execution of the executable instructions.
10. A computer readable storage medium on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the data transmission method of any one of claims 1-7.
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