CN114301789A - 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 multiple slice identifiers respectively associated with multiple access modes and information allowing session network upgrading, and the multiple slice identifiers respectively correspond to the different access modes; and judging whether the network slices corresponding to the slice identifications associated with the different access modes are supported to be accessed or not to obtain an access judgment result, and establishing data transmission between the terminal and the network slices in the different access modes according to the access judgment result. In the disclosure, the multiple access session request carries multiple slice identifiers respectively associated with different access modes, and different slice identifiers correspond to different access modes, so that data transmission between 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 apparatus, a computer-readable storage medium, and an electronic device.
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, data transmission between a terminal and the same network slice in different access modes can only be established, which cannot meet different requirements of different access modes on the network slice.
In view of the above, there is a need in the art to develop a new data transmission method and apparatus.
It is to be noted that the information disclosed in the above background section is only for enhancement of 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 present disclosure is directed to a data transmission method, a data transmission apparatus, a computer-readable storage medium, and an electronic device, so as to overcome, at least to a certain extent, a problem that a terminal can only establish data transmission with a same network slice in an access mode that is not used in related technologies.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows, or in part will be obvious from the description, or may be learned by practice of the disclosure.
According to a first aspect of embodiments of the present invention, there is provided a data transmission method, including: receiving a multi-access session request sent by a terminal; the multi-access session request carries different multiple slice identifiers respectively associated with multiple access modes and information allowing session network upgrading, and the multiple slice identifiers respectively correspond to the different access modes; and judging whether the network slices corresponding to the slice identifications associated with different access modes are supported to be accessed or not 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 multi-access session request include a first access manner and a second access manner; the establishing of data transmission between the terminal and the network slice in different access modes according to the access judgment result includes: if the access judgment result is that 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 also supported to be accessed; 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; wherein 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 under the first access mode is supported to be accessed, establishing data transmission between the terminal and the first network slice under the first access mode; 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.
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 under the first access mode is supported to be accessed, establishing data transmission between the terminal under the first access mode and the first slice, and establishing data transmission between the terminal under the second access mode and a target network slice; wherein the target network slice is now allowed to establish data transmission with the terminal; or if the access judgment result is that only the second network slice corresponding to the second slice identifier under the second access mode is supported, establishing data transmission between the terminal and the second network slice under the second access mode, and establishing data transmission between the terminal and the target network slice under the first access mode.
In an exemplary embodiment of the invention, the method further comprises: if the access judgment result indicates 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 network slices which are 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 the target network slice among the network slices allowed to establish data transmission with the terminal includes: 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 that one network slice is a target network slice; and if the number of all the network slices is multiple, determining the network slices with the number consistent with the number of the access modes in the multiple network slices as the target network slices.
In an exemplary embodiment of the present invention, the target network slice includes a third network slice and a fourth network slice; the establishing of data transmission between the terminal and the target network slice in the first access mode and the establishing of 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 the embodiments of the present invention, there is provided a data transmission apparatus, including: the terminal comprises a receiving module, a sending module and a receiving module, wherein the receiving module is configured to receive a multi-access session request sent by the terminal; the multi-access session request carries different multiple slice identifiers respectively associated with multiple access modes and information allowing session network upgrading, and the multiple slice identifiers respectively correspond to the different access modes; and the establishing module is configured to judge whether the network slices corresponding to the slice identifications associated with different access modes are supported to be accessed so as to obtain an access judgment result, and establish data transmission between the terminal and the network slices in the different access modes according to the access judgment result.
According to a third aspect of embodiments 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 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 foregoing technical solutions, the data transmission method, the data transmission apparatus, the computer storage medium and the electronic device in the exemplary embodiments of the present invention have at least the following advantages and positive effects:
in the method and apparatus provided in the exemplary embodiment of the present disclosure, on one hand, a multiple access session request carries multiple slice identifiers respectively associated with different access modes, and different slice identifiers correspond to different access modes, so that data transmission between a terminal and different network slices in the multiple access session in different access modes can be established, and on the other hand, the multiple access session request carries information allowing a session network to be upgraded, and a network can establish multiple data sessions or a single data session in different access modes according to an access determination result, thereby avoiding a situation that the multiple access session request is directly rejected when the network does not support a network slice in a certain access mode.
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 present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
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 in a data transmission method for establishing different access modes in an embodiment of the present disclosure;
fig. 3 schematically illustrates a flow chart of establishing data transmission between a terminal and a network slice in different access modes in the data transmission method in the embodiment of the present disclosure;
fig. 4 is a schematic flow chart illustrating establishment of data transmission between a terminal and a network slice in different access modes in the data transmission method according to the embodiment of the present disclosure;
fig. 5 is a schematic flow chart illustrating establishing data transmission between a terminal and a network slice in different access modes in the data transmission method in the embodiment of the present disclosure;
fig. 6 is a schematic flow chart illustrating a target network slice determined in a network slice allowed to establish data transmission with a terminal in a data transmission method in an embodiment of the present disclosure;
fig. 7 is a schematic flow chart illustrating establishing data transmission between a terminal and a target network slice in different access modes in the data transmission method in the embodiment of the present disclosure;
fig. 8 is a schematic diagram schematically illustrating data interaction in a data transmission method according to an embodiment of the present disclosure;
fig. 9 is a schematic 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 present 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. Example embodiments may, however, be embodied in many different 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 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 disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and the like. 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/parts/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first" and "second", etc. are used merely as labels, and are not limiting on 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 their repetitive description 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 order to solve the problems in the related art, the present disclosure provides 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:
step S110, receiving a multi-access session request sent by a terminal; the multi-access session request carries different multiple slice identifiers respectively associated with the multiple access modes and information allowing session network upgrading, and the multiple slice identifiers respectively correspond to the different access modes.
And S120, judging whether the network slices corresponding to the slice identifications associated with different access modes are supported to be accessed or not 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 apparatus provided in the exemplary embodiment of the present disclosure, on one hand, a multiple access session request carries multiple slice identifiers respectively associated with different access modes, and different slice identifiers correspond to different access modes, so that data transmission between a terminal and different network slices in the multiple access session in different access modes can be established, and on the other hand, the multiple access session request carries information allowing a session network to be upgraded, and a network can establish multiple data sessions or a single data session in different access modes according to an access determination result, thereby avoiding a situation that the multiple access session request is directly rejected when the network does not support a network slice in a certain access mode.
The respective steps of the data transmission method are explained in detail below.
In step S110, a multi-access session request sent by a terminal is received; the multi-access session request carries different multiple slice identifiers respectively associated with the multiple access modes and information allowing session network upgrading, and the multiple slice identifiers respectively correspond to the different access modes.
In an exemplary embodiment of the present disclosure, a terminal refers to a terminal device that needs to access a network slice, and specifically, the terminal may be a mobile terminal, a computer terminal, or any terminal that needs to access a network slice.
The multiple access session request is a request sent by a terminal, where the multiple access session request carries multiple slice identifiers, the multiple slice identifiers are different, and different slice identifiers are associated with different access manners, specifically, the slice identifier may be in a form of a number, a form of a letter, or a form of a character string, and this is not particularly limited in this exemplary embodiment.
The network receives the multi-access session request, and can access different network slices for the terminal in different access modes, so that data transmission is realized, and the requirements of different services on the network are met.
In addition, the multi-access session request also carries information allowing the session network to be upgraded, and then when the network receives the multi-access session request, the information allowing the session network to be upgraded can be identified, at the moment, even if the network does not support network slices in a certain access mode in the multi-access session request, the multi-access session request cannot be directly rejected, and signaling overhead is reduced.
For example, a network receives a multi-access session request sent by a terminal, and the multi-access session request carries two different slice identifiers, which are a slice identifier a and a slice identifier B, respectively, an access mode corresponding to the slice identifier a is an access mode depending on a third generation mobile communication technology, an access mode corresponding to the slice identifier B is an access mode depending on a wireless local area network, and in addition, the multi-access session request also carries information allowing a session network to be upgraded.
In the present exemplary embodiment, on one hand, the multiple access session request carries different multiple slice identifiers, and the multiple slice identifiers correspond to different access manners, so that multiple data sessions between the terminal and different network slices in different access manners can be established; on the other hand, the multi-access session request also carries information allowing the session network to be upgraded, and then in the subsequent process, the network can establish multi-data session or single-data session for different access modes according to the access judgment result, so that the situation that the network directly rejects 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 to support accessing a network slice corresponding to a slice identifier associated with a different access mode, so as to obtain an access determination result, and data transmission between the terminal and the network slice in the different access mode is established according to the access determination result.
In an exemplary embodiment of the present disclosure, the access determination result is obtained by an AMF (authentication management function) in the network, where the determined content is whether the network supports accessing a network slice corresponding to slice identifiers in different access manners, and assuming that the multiple access session request includes slice identifiers respectively associated with the two access manners, the AMF needs to determine whether the network supports accessing a network slice corresponding to the slice identifiers associated with the two access manners, so as to obtain the access determination result.
Based on this, if the access judgment result is that the network supports the access of the terminal to the network slice corresponding to the slice identifier in different access modes, a multi-data session between the terminal and the corresponding network slice in different access modes is established, and further data transmission between the terminal and the corresponding network slice in different access modes is realized.
For example, the multiple access session request carries a slice identifier a associated with the access mode 1 and a slice identifier B associated with the access mode 2, the AMF determines whether the network supports accessing the terminal to a network slice a corresponding to the slice identifier a associated with the access mode 1, and the AMF also determines whether the network supports accessing the terminal to a network slice B corresponding to the slice identifier B associated with the access mode 2 to obtain an access determination result.
Specifically, the access judgment result indicates that the network supports the terminal to access the network slice a corresponding to the slice identifier a associated with the access mode 1, and also supports the terminal to access the network slice B corresponding to the slice identifier B associated with the access mode 2, based on which, multiple data sessions between the terminal and the corresponding network slices in the two access modes are 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 schematic flow chart of data transmission between a terminal and a network slice in a data transmission method under the condition of establishing different access modes, where the different access modes in a 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 indicates that access to the first network slice corresponding to the first slice identifier in the first access manner is supported, and access to the second network slice corresponding to the second slice identifier in the second access manner is also supported.
The multiple access session request carries different access manners, and generally, the different access manners are divided into two types, where one type of access manner is an access manner depending on a 3rd Generation Partnership Project (3rd Generation Partnership Project), for example, an access manner depending on a third Generation mobile communication technology, an access manner depending on a fourth Generation mobile communication technology, an access manner depending on a fifth Generation mobile communication technology, and a second type of access manner is an access manner depending on a non-3 GPP, for example, an access manner depending on a wireless local area network, an access manner depending on a fixed network broadband, which is not particularly limited in this exemplary embodiment.
Based on this, the first access mode may be an access mode depending on 3GPP or an access mode depending on non-3 GPP, and the second access mode may be an access mode depending on 3GPP or an access mode depending on non-3 GPP, which is not particularly limited in this exemplary embodiment.
It is noted that the first access mode and the second access mode are two different access modes, and therefore, if the first access mode is an access mode depending on 3GPP, the second access mode is an access mode depending on non-3 GPP, and if the first access mode is an access mode depending on non-3 GPP, the second access mode is an access mode depending on 3 GPP.
The access determination result may have a plurality of situations, where one situation is to support accessing a first network slice corresponding to a first slice identifier in a first access manner, and in addition, to support accessing a second network slice corresponding to a second slice identifier in a second access manner, it is worth to say that the first slice identifier is a slice identifier associated with the first access manner in the multi-access session request, the second slice identifier is a slice identifier corresponding to the second access manner 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 multi-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, and the access mode corresponding to the second slice identifier B is a second access mode, at this time, the AMF obtains an access determination result that the AMF supports accessing a first network slice a corresponding to the first slice identifier a in the first access mode and also supports accessing a second network slice B corresponding to the second slice identifier B in the second access mode.
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 a first access mapping relationship is an access mapping relationship between the terminal and the first network slice in the first access mode, and a second access mapping relationship is an access mapping relationship between the terminal and the second network slice in the second access mode.
Further, the SMF (session Management Function) 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 lan, 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 indicates that both the first network slice accessed in the first access manner and the second network slice accessed in the second access manner are supported, multiple data sessions between the terminal and the corresponding network slice in two different access manners are respectively established, so that data transmission between the terminal and the corresponding network slice in multiple access manners is realized, requirements of different services on network resources are met, and the occurrence of the situation that the terminal can only access one network slice in any access manner in the prior art is avoided.
In an alternative embodiment, fig. 3 is a schematic flow chart illustrating a data transmission method for establishing data transmission between a terminal and a network slice in different access modes, where as shown in fig. 3, the method at least includes the following steps: in step S310, 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 for access, data transmission between the terminal and the first network slice in the first access mode is established.
Another situation of the access judgment result is that only the first network slice corresponding to the first slice identifier in the first access mode is accessed, and neither the second network slice corresponding to the second slice identifier in the second access mode is accessed, and then only a single data session between the terminal in the first access mode and the first network slice is established, so that data transmission between the terminal in the first access mode and the corresponding first network slice is realized.
For example, the multi-access session request carries a first slice identifier a and a second slice identifier b, the slice identifier a corresponds to an access mode depending on a third generation mobile communication technology, and the second slice identifier b corresponds to an access mode depending on a wireless local area network.
Based on this, if the access judgment result is that the network only supports the access and the first network slice a corresponding to the first slice identifier a in the access mode depending on the third generation mobile communication technology, on this basis, the AMF needs to establish an access mapping relationship, specifically, the access mapping relationship is the access mapping relationship between the terminal and the network slice a in the access mode of the third generation mobile communication technology.
Further, the SMF establishes a single data session between the terminal and the network slice a in an access mode depending on a third generation mobile communication technology according to the access mapping relationship generated by the AMF, thereby realizing data transmission between the terminal and the network slice a.
In step S320, if the access determination result only supports accessing the second network slice corresponding to the second slice identifier in the second access mode, data transmission between the terminal and the second network slice in the second access mode is established.
When the access judgment result indicates that only the network slice corresponding to the slice identifier in one access mode is supported, the following condition also exists, namely that only the second network slice corresponding to the second slice identifier in the second access mode is supported, and that only the first network slice corresponding to the first slice identifier in the first access mode is not supported, the data transmission between the terminal and the second network slice in the second access mode is established.
For example, the multi-access session request carries a first slice identifier a and a second slice identifier b, and the first slice identifier a is associated with the first access mode, specifically, the first slice identifier a is associated with an access mode depending on a third generation mobile communication technology, the second slice identifier b is associated with the second access mode, and specifically, the second slice identifier b is associated with an access mode depending on a wireless local area network.
Based on this, if the access judgment result is that the network only supports the access of the second network slice B corresponding to the second slice identifier B in the access mode depending on the wireless local area network, on this basis, the AMF needs to establish an access mapping relationship, 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.
Further, 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 relationship generated by the AMF, thereby realizing data transmission between the terminal and the network slice B.
In the exemplary embodiment, when the access determination result indicates that only the network slice accessed in a certain access mode is supported, the single data session between the terminal and the corresponding network slice in the access mode is established, which avoids the occurrence of the situation that a multi-access session request is directly rejected when the network slice does not support the access in the certain access mode in the prior art, thereby reducing signaling overhead.
In an alternative embodiment, fig. 4 shows a schematic flow chart of establishing data transmission between a terminal and a network slice in 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 for access, 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.
In addition to the processing manners of step S310 and step S320, when the access determination result is that only the first network slice corresponding to the first slice identifier in the first access manner is supported or that only the second network slice corresponding to the second slice identifier in the second access manner is supported, the following processing manners exist.
Specifically, 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 for access, in addition to the data transmission between the terminal and the first network slice in the first access mode, data transmission between the terminal and the target network slice in the second access mode needs to be established.
For example, the multi-access session request carries a first slice identifier a and a second slice identifier b, and the first slice identifier a corresponds to the first access mode, specifically, the first slice identifier a is associated with an access mode depending on a third generation mobile communication technology, the second slice identifier b is associated with the second access mode, specifically, the second slice identifier b is associated with an access mode depending on a wireless local area network.
Based on this, if the access judgment result is that only the access of the network slice a corresponding to the access mode depending on the third-generation mobile communication technology is supported, data transmission between the terminal and the first network slice a in the access mode depending 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 the 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, 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 from the network slice D and the network slice F, so as to establish data transmission between the access mode terminal of the wireless local area network and the network slice.
In step S420, if the access determination result only supports accessing the second network slice corresponding to the second slice identifier in the second access mode, 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.
Correspondingly, if the access determination result only supports accessing the second network slice corresponding to the second slice identifier in the second access mode, it is not only necessary to establish data transmission between the terminal and the second network slice in the second access mode, but also necessary to establish data transmission between the terminal and the target network slice in the first access mode.
For example, the multi-access session request carries a first slice identifier a and a second slice identifier b, and the first slice identifier a is associated with a first access mode, specifically, the first slice identifier a is associated with a supportFirst, theAnd the second slice identifier b is associated with the second access mode, and specifically, the second slice identifier is associated with the access mode depending on the wireless local area network.
Based on this, if the access judgment result is that only the network slice B associated with the access mode depending on the wireless local area network technology is supported, then establishing data transmission between the terminal and the second network slice B in an access mode depending on the wireless lan technology, in addition, the AMF needs to determine a target network slice allowing data transmission with the first access mode of the terminal at this time, if the target network slice determined by the AMF is the network slice C, establishing data transmission between the terminal and the network slice C in an access mode depending on the third generation mobile communication technology, if the target network slice determined by the AMF is the network slice D and the network slice F, one network slice can be arbitrarily selected from the network slice D and the network slice F to establish data transmission between the access mode terminal depending on the third generation mobile communication technology and the network slice.
In the exemplary embodiment, if the access determination result indicates that only a network slice accessed in a certain access mode is supported, not only data transmission between the terminal and the network slice in the supported access mode needs to be established, but also data transmission between the terminal and a target network slice in an unsupported access mode needs to be established, so that the flexibility of establishing data transmission between the terminal and the network slice is increased, the requirement of a non-service on network resources is met, the occurrence of the situation that in the prior art, when a network slice which does not support access in a certain access mode exists, a multi-access session request is directly rejected is avoided, and further signaling overhead is reduced.
In an alternative embodiment, fig. 5 shows a schematic flow chart of establishing data transmission between a terminal and a network slice in 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 indicates 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 target network slice is determined among the network slices allowed to establish data transmission with the terminal.
In this case, the AMF is required to determine a network slice which allows data transmission to be established between all access manners of the terminal at the time, and if the AMF determines that the network slice which allows data transmission to be established between the terminal at the time is one, the determined target network slice is the network slice, and if the AMF determines that the network slices which allow data transmission to be established between the terminal at the time are multiple, any two of the multiple network slices are selected as the target network slice.
For example, the multi-access session request carries a first slice identifier a and a second slice identifier b, and the first slice identifier a is associated with a first access mode, specifically, the first slice identifier a is associated with a supportFirst, theAnd the second slice identifier b is associated with the second access mode, and specifically, the second slice identifier b is associated with the access mode depending on the wireless local area network.
Based on the above, if the access judgment result is that the access and the support are not supportedFirst, theAnd determining a target network slice at the moment, specifically, determining the target network slice as a network slice C if the first network slice A corresponding to the first slice identifier a in the access mode of the third generation mobile communication technology does not support accessing to the second network slice B corresponding to the second slice identifier B in the access mode depending on the wireless local area network technology.
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 the target network slice is determined, 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 needs to be established.
For example, multiple access session requestsA first slice identification a and a second slice identification b are carried in the first access mode, and the first slice identification a is associated with the first access mode, in particular the first slice identification a is associated with the supportFirst, theAnd the second slice identifier b is associated with the second access mode, and specifically, the second slice identifier b is associated with the access mode depending on the wireless local area network.
Based on the above, if the access judgment result is that the access and the support are not supportedFirst, theA first network slice A corresponding to a first slice identifier a in an access mode of a third generation mobile communication technology and a second network slice B corresponding to a second slice identifier B in an access mode depending on a wireless local area network technology are not supported, a target network slice is determined at the moment, specifically, the determined target network slice is a network slice C, and then the method for establishing the dependence on the wireless local area network technologyFirst, theData transmission between the terminal and the target network slice C in the access mode of the third generation mobile communication technology needs to be established.
In this exemplary embodiment, even if the access determination result indicates that the first network slice corresponding to the first slice identifier in the first access mode is not supported and 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 be established, thereby avoiding the occurrence of a situation that a multi-access session request is directly rejected when the network does not support access to a network slice in a certain access mode in the prior art.
In an alternative embodiment, fig. 6 is a schematic flowchart illustrating a data transmission method for determining a target network slice in a network slice allowed to establish data transmission with a terminal, where as shown in fig. 6, the method at least includes the following steps: in step S610, all network slices allowed to establish data transmission with all access modes of the terminal are determined.
All network slices refer to slices determined by the AMF at this time that data transmission can be established with all access modes of the terminal.
For example, when the access determination result indicates 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 slices that can establish data transmission with all access modes of the terminal at this time.
In step S620, if the number of all network slices is one, it is determined that one network slice is the target network slice.
If the AMF determines that one network slice capable of establishing data transmission with all access modes of the terminal is the same, the network slice is determined to be the target network slice.
For example, if 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, the network slice C is determined to be the target network slice at this time.
In step S630, if the number of all network slices is multiple, the network slice whose number matches the number of access methods is determined as the target network slice among the multiple network slices.
If the AMF determines that a plurality of network slices capable of establishing data transmission with all access modes of the terminal are provided, determining a target network slice from the plurality of network slices according to the number of the access modes.
For example, if the network slice determined by the AMF at this time and capable of establishing data transmission with all access modes of the terminal 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 as target network slices from among the network slice C, the network slice D, and the network slice E.
In this exemplary embodiment, the number of target network slices may be one or multiple, which avoids the situation that the network directly rejects the multi-access session request when the network does not support accessing the network slice in a certain access mode in the prior art.
In an alternative embodiment, fig. 7 is a schematic flowchart illustrating a data transmission method for establishing data transmission between a terminal and a target network slice 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 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 multiple and it is determined that the target network slice determined from the multiple network slices includes a third network slice C and a fourth network slice D, 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 establishment 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 multiple and it is determined that the target network slice determined from the multiple network slices includes a third network slice C and a fourth network slice D, 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 in the first access mode and one of the multiple network slices may be respectively established, and data transmission between the terminal in the second access mode and another of the multiple network slices may be established.
In the method and apparatus provided in the exemplary embodiment of the present disclosure, on one hand, a multiple access session request carries multiple slice identifiers respectively associated with different access modes, and different slice identifiers correspond to different access modes, so that data transmission between a terminal and different network slices in the multiple access session in different access modes can be established, and on the other hand, the multiple access session request carries information allowing a session network to be upgraded, and a network can establish multiple data sessions or a single data session in different access modes according to an access determination result, thereby avoiding a situation that the multiple access session request is directly rejected when the network does not support a network slice in a certain access mode.
The following describes the data transmission method in the embodiment of the present disclosure in detail with reference to an application scenario.
Fig. 8 schematically illustrates a schematic diagram of data interaction in a data transmission method according to an embodiment of the present disclosure, as shown in fig. 8, where a terminal 810 is a mobile terminal, 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 receiving the multiple access session request 830, the AMF performs step S840, that is, determines whether the network supports accessing a first network slice corresponding to a first slice identifier in the first access manner, and determines whether the network supports accessing a second network slice corresponding to a second slice identifier in the second access manner, so as to obtain an access determination result.
Then, step S850 is executed, that is, 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 multiple access session request carries multiple slice identifiers respectively associated with different access modes, and different slice identifiers correspond to different access modes, so that data transmission between the terminal and different network slices in the multiple access sessions in different access modes can be established, on the other hand, the multiple access session request carries information allowing session network upgrade, and the network can establish multiple data sessions or single data sessions in different access modes according to an access judgment result, so that the situation that the multiple access session request is directly rejected when the network does not support a network slice in a certain access mode is avoided.
Furthermore, 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 apparatus, and as shown in fig. 9, the data transmission apparatus 900 may include: a receiving module 910 and a establishing module 920. Wherein:
a receiving module 910 configured to receive a multiple access session request sent by a terminal; the multi-access session request carries different multiple slice identifiers respectively associated with multiple access modes and information allowing session network upgrading, and the multiple slice identifiers respectively correspond to the different access modes; the establishing module 920 is configured to determine whether to support accessing a network slice corresponding to a slice identifier associated with a different access mode, so as to obtain an access determination result, and establish data transmission between the terminal and the network slice in the different access mode according to the access determination result.
The details of the data transmission apparatus 900 are already described in detail in the corresponding data transmission method, and therefore are not described herein again.
It should be noted that although several modules or units of the data transmission device 900 are mentioned in the above detailed description, such 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, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
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 only an example, and should not bring any limitation to the functions and the scope of use of the 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. The components of the 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 different 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 to cause the processing unit 1010 to perform steps according to various exemplary embodiments of the present invention as described in the "exemplary methods" section above in this specification.
The memory unit 1020 may include readable media in the form of volatile memory units, such as a random access memory unit (RAM)1021 and/or a cache memory unit 1022, and may further include a read-only memory unit (ROM) 1023.
The electronic device 1000 may 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 devices (e.g., router, modem, etc.) that enable the electronic device 1000 to communicate with one or more other computing devices. Such communication may occur through input/output (I/O) interfaces 1050. Also, the electronic device 1000 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network such as the internet) via the network adapter 1060. As shown, the network adapter 1060 communicates with the 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 conjunction with the electronic device 1000, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, 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 (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the embodiments of the present disclosure.
In an exemplary embodiment of the present disclosure, there is also provided a computer-readable storage medium having stored thereon a program product capable of implementing the above-described method of the present specification. In some possible embodiments, aspects of the invention may also be implemented in the form of a program product comprising program code means for causing a terminal device to carry out the steps according to various exemplary embodiments of the invention described in the above-mentioned "exemplary methods" section of the present description, when said program product is run on the terminal device.
Referring to fig. 11, a program product 1100 for implementing the above 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 in this regard and, in the present 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. A 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 of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), 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.
A computer readable signal medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. 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 for aspects 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 and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, 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., through 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 variations, 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 different multiple slice identifiers respectively associated with multiple access modes and information allowing session network upgrading, and the multiple slice identifiers respectively correspond to the different access modes;
and judging whether the network slices corresponding to the slice identifications associated with different access modes are supported to be accessed or not 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 manners in the multi-access session request include a first access manner and a second access manner;
the establishing of data transmission between the terminal and the network slice in different access modes according to the access judgment result includes:
if the access judgment result is that 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 identifier in the second access mode is also supported to be accessed;
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; wherein 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 includes:
if the access judgment result is that only the first network slice corresponding to the first slice identifier under the first access mode is supported to be accessed, establishing data transmission between the terminal and the first network slice under the first access mode; or
And if the access judgment result only supports the access of the second network slice corresponding to the second slice identifier in the second access mode, establishing data transmission between the terminal and the second network slice in the second access mode.
4. The data transmission method of claim 3, further comprising:
if the access judgment result is that only the first network slice corresponding to the first slice identifier under the first access mode is supported to be accessed, establishing data transmission between the terminal under the first access mode and the first slice, and establishing data transmission between the terminal under the second access mode and a target network slice; wherein the target network slice is now allowed to establish data transmission with the terminal; or
And if the access judgment result only supports accessing the second network slice corresponding to the second slice identifier in the second access mode, 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 of claim 2, further comprising:
if the access judgment result indicates 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 network slices which are 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 the 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 that one network slice is a target network slice;
and if the number of all the network slices is multiple, determining the network slices with the number consistent with the number of the access modes in the multiple 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 of data transmission between the terminal and the target network slice in the first access mode and the establishing of 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
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 terminal comprises a receiving module, a sending module and a receiving module, wherein the receiving module is configured to receive a multi-access session request sent by the terminal; the multi-access session request carries different multiple slice identifiers respectively associated with multiple access modes and information allowing session network upgrading, and the multiple slice identifiers respectively correspond to the different access modes;
and the establishing module is configured to judge whether the network slices corresponding to the slice identifications associated with different access modes are supported to be accessed so as to obtain an access judgment result, and establish data transmission between the terminal and the network slices in the 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 one of claims 1-7 via execution of the executable instructions.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the data transmission method of any one of claims 1 to 7.
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