CN111698290B - PDU session multiplexing method, device, user equipment and storage medium - Google Patents
PDU session multiplexing method, device, user equipment and storage medium Download PDFInfo
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Abstract
The embodiment of the invention discloses a PDU conversation multiplexing method, a device, user equipment and a medium, wherein the method comprises the following steps: determining which of the established multiple Packet Data Unit (PDU) sessions can be multiplexed by determining which multiple PDU sessions have been established and satisfy a multiplexing condition; selecting a target PDU session in the multi-path PDU sessions according to the RSD parameters, thereby determining the most appropriate target PDU session; finally, the target PDU session is multiplexed, such that by selecting a target PDU session from the multiple PDU sessions according to the RSD parameter, an appropriate target PDU session can be selected from the multiple PDU sessions that have been established and can be multiplexed for multiplexing.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a PDU session multiplexing method, apparatus, user equipment, and storage medium.
Background
In the 3rd generation partnership project (3 GPP) protocol, for each detected application, a User Equipment (UE) evaluates a user equipment routing option Policy (URSP) rule and selects an appropriate PDU session for the UE. If the PDU session which can be multiplexed does not exist, the UE can create the PDU session for the application program; if there are PDU sessions that can be multiplexed, the UE needs to multiplex the already established PDU sessions. Therefore, the problem of how to select a suitable PDU session when there are multiple PDU sessions that can be multiplexed needs to be solved.
Disclosure of Invention
The embodiment of the invention provides a PDU session multiplexing method, a device, user equipment and a computer storage medium, which can select a proper target PDU session from a plurality of established and multiplexed PDU sessions for multiplexing.
In a first aspect, an embodiment of the present invention provides a PDU session multiplexing method, where the PDU session multiplexing method includes:
determining a multiplex Packet Data Unit (PDU) session which is established and meets a multiplexing condition;
selecting a target PDU session in the multi-path PDU session according to the RSD parameter;
multiplexing the target PDU session.
In one possible implementation manner, the selecting a target PDU session of the multi-way PDU session according to the routing descriptor RSD parameter includes:
if the RSD parameters comprise a plurality of first network slice parameters, each PDU session only comprises one network slice, a second network slice parameter corresponding to the network slice contained in each PDU session is different from other second network slice parameters corresponding to the network slices contained in other PDU sessions in the multi-path PDU session, and each second network slice parameter is the same as one of the first network slice parameters in the plurality of first network slice parameters, and the plurality of network slices are prioritized to obtain first priority information;
and selecting a target PDU session in the multi-channel PDU session according to the first priority information.
In one possible implementation manner, the selecting a target PDU session of the multi-way PDU session according to the routing descriptor RSD parameter includes:
if the RSD parameters include a plurality of first data network name DNN parameters, each PDU session only includes one DNN, a second DNN parameter corresponding to the DNN included in each PDU session is different from other second DNN parameters corresponding to DNNs included in other PDU sessions in the multi-path PDU session, and each second DNN parameter is the same as one of the first DNN parameters, prioritizing the plurality of DNNs to obtain second priority information;
and selecting a target PDU session in the multi-channel PDU session according to the second priority information.
In one possible implementation manner, the selecting a target PDU session of the multi-way PDU session according to the routing descriptor RSD parameter includes:
if the PDU session anchor is changed, and at least one of the following conditions is satisfied: a plurality of first Data Network Name (DNN) parameters in the RSD parameters are the same as a plurality of second DNN parameters in the multi-path PDU session; selecting auxiliary information S-NSSAI and a plurality of second S-NSSAIs in the multi-channel PDU session by a plurality of first single network slices; there are a plurality of first sessions and a service continuity Mode SSC Mode that is the same as a plurality of second SSC modes in the multi-path PDU session;
determining an address lifetime corresponding to each PDU session in the multi-path PDU session to obtain a plurality of address lifetimes;
and selecting the PDU session corresponding to the longest address lifetime in the plurality of address lifetimes as the target PDU session.
In one possible implementation, the method further includes:
and if the RSD only comprises one first parameter and a second parameter with the same parameter dimension exists in the ith PDU session in the multi-path PDU session is the same as the first parameter, determining that the ith PDU session meets the multiplexing condition, wherein the ith PDU session is any one PDU session in the multi-path PDU session.
In one possible implementation, the method further includes:
if the RSD comprises a first parameter list, the first parameter list comprises a plurality of first list parameters of the same parameter dimension, and an ith path of PDU session in the multi-path PDU session comprises a second list parameter of the same dimension, the second list parameter is the same as one of the first list parameters, the ith path of PDU session is determined to meet the multiplexing condition, and the ith path of PDU session is any one path of PDU session in the multi-path PDU session.
In one possible implementation, the method further includes:
if the RSD lacks a first component and the ith PDU session in the multi-path PDU session does not carry parameters corresponding to the first component when being established, determining that the ith PDU session meets the multiplexing condition, wherein the ith PDU session is any one PDU session in the multi-path PDU session;
and if the RSD comprises a first time window or first position information, and a second time window which is the same as the first time window exists in the ith path of PDU conversation in the multi-path PDU conversation or second position information which is the same as the first position information exists, determining that the ith path of PDU conversation meets multiplexing conditions.
In a second aspect, an embodiment of the present invention provides a PDU session multiplexing apparatus, where the PDU session multiplexing apparatus includes:
a determining unit, configured to determine a multiplex packet data unit PDU session that has been established and satisfies a multiplexing condition;
a selecting unit, configured to select a target PDU session in the multiple PDU sessions according to a routing descriptor RSD parameter;
and the creating unit is used for multiplexing the target PDU session.
In a third aspect, an embodiment of the present invention provides a user equipment, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the program includes instructions for executing steps in any method of the first aspect of the embodiment of the present invention.
In a fourth aspect, the present invention provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program makes a computer perform part or all of the steps described in any one of the methods according to the first aspect of the present invention.
In a fifth aspect, the present invention provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program, and the computer program is operable to cause a computer to perform some or all of the steps as described in any one of the methods of the first aspect of the embodiments of the present invention. The computer program product may be a software installation package.
It can be seen that, in the embodiment of the present invention, by determining the multiple packet data unit PDU sessions that have been established and satisfy the multiplexing condition, it can be determined which of the established PDU sessions can be multiplexed; selecting a target PDU session in the multiple paths of PDU sessions according to the RSD parameters of the routing descriptor, thereby determining the most appropriate target PDU session for multiplexing; finally, the target PDU session is multiplexed, such that by selecting a target PDU session from the multiple PDU sessions according to the RSD parameter, an appropriate target PDU session can be selected from the multiple PDU sessions that have been established and can be multiplexed for multiplexing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a user equipment according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a PDU session multiplexing method according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a PDU session multiplexing method according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a PDU session multiplexing apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another user equipment according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The following describes embodiments of the present invention in detail.
The method comprises the steps that a URSP rule of a User Equipment (UE) is determined, whether a path descriptor (TD) parameter associated with an application program is matched with a TD parameter in the URSP rule is determined, and when the URSP rule is determined to be applicable to the application program, the UE selects an RSD to create a corresponding data path for the application program according to a Route Selection Descriptor (RSD) priority order. The UE may determine whether there is an already established Packet Data Unit (PDU) session matching all parameters of the selected RSD, and if there is a multiplex PDU session that can be multiplexed, select a target PDU session of the multiplex PDU session for multiplexing according to the RSD parameters.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a user equipment according to an embodiment of the present invention, where the user equipment includes a processor, a Memory, a signal processor, a communication interface, a touch display screen, a WiFi module, a speaker, a microphone, a Random Access Memory (RAM), a camera, and so on.
The storage, the signal processor, the WiFi module, the touch display screen, the loudspeaker, the microphone, the RAM and the camera are connected with the processor, and the communication interface is connected with the signal processor.
The memory stores original images, and the user equipment can read data of the original images and carry out reduction processing on image signals of the original images, so that noise in the images is reduced, and actual image signals are obtained; and further generating a target image after noise reduction processing.
The User Equipment may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices (such as smartwatches, smartbands, pedometers, and the like), computing devices or other processing devices connected to wireless modems, and various forms of User Equipment (UE), Mobile Stations (MS), terminal Equipment (terminal device), and the like. For convenience of description, the above-mentioned devices are collectively referred to as user equipment.
Based on the above description, the embodiment of the present invention provides a PDU session multiplexing method, which can be applied to the user equipment shown in fig. 1. Referring to fig. 2, the PDU session multiplexing method may include the following steps S201 to S203:
s201, a multiplex Packet Data Unit (PDU) session which is established and meets the multiplexing condition is determined.
Wherein a PDU session (session) may be used to provide a PDU connection service between the user equipment and the data network.
In a specific implementation, the ue may determine whether there is an already established PDU session, and if there are multiple already established PDU sessions, further determine whether the multiple already established PDU sessions can be multiplexed, specifically, determine whether each path of PDU session can be multiplexed according to the URSP rule, where the ue may determine whether any path of PDU session is available according to an RSD parameter corresponding to an RSD included in the URSP rule, and the RSD parameter may include at least one of the following: a Session and Service Continuity (SSC) mode (mode), a network Slice (network), a Data Network Name (DNN), single network Slice Selection Assistance Information (S-NSSAI), and a preferred access type (preferred access type), wherein the NSSAI can be used to distinguish different types of slices for different purposes, and wherein the preferred access type can include 3GPP or non-3 GPP.
In one possible implementation, the method further includes:
and if the RSD only comprises one first parameter and a second parameter with the same parameter dimension exists in the ith PDU session in the multi-path PDU session is the same as the first parameter, determining that the ith PDU session meets the multiplexing condition, wherein the ith PDU session is any one PDU session in the multi-path PDU session.
The first parameter may be an SSC mode, a PDU session type, and the like, and the PDU session type may include an IP descriptor and IP Descriptors, and Non-IP Descriptors: non-IP path destination information descriptor: in an implementation, if the RSD includes only one first parameter, which may be, for example, an SSC pattern, the SSC pattern corresponding to the established PDU session must be the same as the SSC pattern in the RSD, and therefore, if the RSD includes only one first parameter and the second parameter included in any PDU session in the multiple PDU sessions is the same as the first parameter, it may be determined that the ith PDU session satisfies the multiplexing condition.
In one possible implementation, the method further includes:
and if the RSD comprises a first parameter list, the first parameter list comprises a plurality of first list parameters with the same parameter dimension, and the ith path of PDU session in the multi-path PDU session comprises a second list parameter with the same dimension which is the same as one of the first list parameters, determining that the ith path of PDU session meets the multiplexing condition.
Taking the network slicing parameter as an example, if the first parameter list includes a plurality of network slicing parameters and each PDU session in the multiple PDU sessions includes one network slicing parameter, for the ith PDU session, if the network slicing parameter included in the ith PDU session is the same as one of the plurality of first network slicing parameters in the first parameter list, it may be determined that the ith PDU session satisfies the multiplexing condition.
In one possible implementation, the method further includes:
if the RSD lacks a first component and the ith PDU session in the multi-path PDU session does not carry parameters corresponding to the first component when being established, determining that the ith PDU session meets the multiplexing condition, wherein the ith PDU session is any one PDU session in the multi-path PDU session
In one possible implementation, the method further includes:
and if the RSD comprises a first time window or first position information, and a second time window which is the same as the first time window exists in an ith path of PDU conversation in the multi-path PDU conversation or second position information which is the same as the first position information exists, determining that the ith path of PDU conversation meets multiplexing conditions, wherein the ith path of PDU conversation is any path of PDU conversation in the multi-path PDU conversation.
S202, selecting a target PDU session in the multi-path PDU session according to the routing descriptor RSD parameter.
If the user equipment has multiple established PDU sessions which all meet the RSD parameter condition in the current URSP rule, the user equipment can further determine to select a target PDU session in the multiple PDU sessions, and therefore better data connection service can be guaranteed.
In one possible implementation manner, the selecting a target PDU session of the multi-way PDU session according to the routing descriptor RSD parameter includes:
if the RSD parameters comprise a plurality of first network slice parameters, each PDU session only comprises one network slice, a second network slice parameter corresponding to the network slice contained in each PDU session is different from other second network slice parameters corresponding to the network slices contained in other PDU sessions in the multi-path PDU session, and each second network slice parameter is the same as one of the first network slice parameters in the plurality of first network slice parameters, and the plurality of network slices are prioritized to obtain first priority information;
selecting a target PDU session in the multi-path PDU session according to the first priority information
Wherein, if the RSD parameter includes a plurality of first network slice parameters, each PDU session in the multi-path PDU session includes only one network slice, each network slice corresponds to a first second network slice parameter, the multi-path PDU session corresponds to a plurality of second network slice parameters, if the plurality of second network slice parameters are different from each other, and each second network slice parameter is the same as one of the plurality of first network slice parameters, in this case, the user equipment may prioritize the network slices, specifically, the first priority information includes a plurality of priorities, each priority includes at least one second network slice parameter at the priority, thereby, the PDU session corresponding to the second network slice parameter with a higher priority can be preferentially selected as the target PDU session, if there are more than two second network slice parameters with the same priority, the PDU sessions corresponding to the network slices having the same priority may be sequentially selected as the target PDU session.
In one possible implementation manner, the selecting a target PDU session of the multi-way PDU session according to the routing descriptor RSD parameter includes:
if the RSD parameters include a plurality of first data network name DNN parameters, each PDU session only includes DNN, a second DNN parameter corresponding to DNN included in each PDU session is different from other second DNN parameters corresponding to DNN included in other PDU sessions in the multi-path PDU session, and each second DNN parameter is the same as one of the first DNN parameters, prioritizing the plurality of DNNs to obtain second priority information;
and selecting a target PDU session in the multi-channel PDU session according to the second priority information.
Wherein, if the RSD parameter includes a plurality of first DNN parameters, each PDU session in the multi-path PDU session includes a DNN, each DNN corresponds to a first second DNN parameter, the multi-path PDU session corresponds to a plurality of second DNN parameters, and if the plurality of second DNN parameters are different from each other, and each second DNN parameter is the same as one of the plurality of first DNN parameters, in which case the user equipment may associate a plurality of DNNs for different levels of network slices, prioritizing the plurality of DNNs to obtain second priority information, in particular, the second priority information comprises a plurality of priorities, each priority comprises at least one second DNN parameter at the priority, therefore, the PDU session with higher priority corresponding to the second DNN parameter can be selected as the target PDU session, if more than two second DNN parameters have the same priority, the PDU sessions corresponding to DNNs with the same priority may be selected in order as the target PDU session.
In one possible implementation manner, the selecting a target PDU session of the multi-way PDU session according to the routing descriptor RSD parameter includes:
if the PDU session anchor is changed, and at least one of the following conditions is satisfied: a plurality of first Data Network Name (DNN) parameters in the RSD parameters are the same as a plurality of second DNN parameters in the multi-path PDU session; a plurality of first single network slices exist, and auxiliary information S-NSSAI is selected to be the same as a plurality of second S-NSSAIs in the multi-path PDU session; there are a plurality of first sessions and a service continuity Mode SSC Mode that is the same as a plurality of second SSC modes in the multi-path PDU session;
determining an address lifetime corresponding to each PDU session in the multi-path PDU session to obtain a plurality of address lifetimes;
and selecting the PDU session corresponding to the longest address lifetime in the plurality of address lifetimes as the target PDU session.
In the case that the PDU session anchor is changed, the above condition may be satisfied, so that the PDU session with the longest address lifetime corresponding to the multiple PDU sessions may be determined as the target PDU session, and thus, the continuity of the data connection service may be improved.
S203, multiplexing the target PDU session.
Wherein, after determining the target PDU session in the multi-path PDU session, the target PDU session can be multiplexed, thereby improving the continuity of the data connection service.
It can be seen that, in the embodiment of the present invention, by determining the multiple packet data unit PDU sessions that have been established and satisfy the multiplexing condition, it can be determined which of the established PDU sessions can be multiplexed; selecting a target PDU session in the multiple paths of PDU sessions according to the RSD parameters of the routing descriptor, thereby determining the most appropriate target PDU session for multiplexing; finally, the target PDU session is multiplexed, such that by selecting a target PDU session from the multiple PDU sessions according to the RSD parameter, an appropriate target PDU session can be selected from the multiple PDU sessions that have been established and can be multiplexed for multiplexing.
Referring to fig. 3, fig. 3 is a flowchart illustrating another PDU session multiplexing method according to an embodiment of the present invention, where the PDU session multiplexing method is applicable to the user equipment shown in fig. 1, and the PDU session multiplexing method includes the following steps S301 to S302:
s301, determining a multi-channel Packet Data Unit (PDU) session which is established and meets multiplexing conditions;
s302, if the RSD parameter includes a plurality of first network slice parameters, each PDU session only includes one network slice, a second network slice parameter corresponding to a network slice included in each PDU session is different from other second network slice parameters corresponding to network slices included in other PDU sessions in the multi-path PDU session, and each second network slice parameter is the same as one of the plurality of first network slice parameters, and the plurality of network slices are prioritized to obtain first priority information;
s303, selecting a target PDU session in the multi-channel PDU session according to the first priority information;
s304, if the RSD parameters include a plurality of first data network name DNN parameters, each PDU session only includes one DNN, a second DNN parameter corresponding to the DNN included in each PDU session is different from other second DNN parameters corresponding to DNNs included in other PDU sessions in the multi-path PDU session, and each second DNN parameter is the same as one of the first DNN parameters in the plurality of first DNN parameters, and the plurality of DNNs are prioritized to obtain second priority information;
s305, selecting a target PDU session in the multi-channel PDU session according to the second priority information;
s306, if the PDU session anchor is changed, and at least one of the following conditions is satisfied: a plurality of first Data Network Name (DNN) parameters in the RSD parameters are the same as a plurality of second DNN parameters in the multi-path PDU session; a plurality of first single network slices exist, and auxiliary information S-NSSAI is selected to be the same as a plurality of second S-NSSAIs in the multi-path PDU session; there are a plurality of first sessions and a service continuity Mode SSC Mode that is the same as a plurality of second SSC modes in the multi-path PDU session;
s307, determining an address lifetime corresponding to each PDU session in the multi-path PDU session to obtain a plurality of address lifetimes;
s308, selecting the PDU session corresponding to the longest address lifetime in the address lifetimes as the target PDU session;
s309, multiplexing the target PDU session.
It can be seen that in the embodiment of the present invention, by determining multiple PDU sessions that have been established and satisfy multiplexing conditions, if the RSD parameters include multiple first network slice parameters, each PDU session includes only one network slice, each PDU session includes a second network slice parameter corresponding to a network slice different from other second network slice parameters corresponding to network slices included in other PDU sessions in the multiple PDU sessions, and each second network slice parameter is the same as one of the multiple first network slice parameters, the multiple network slices are prioritized to obtain first priority information, a target PDU session in the multiple PDU sessions is selected according to the first priority information, and if the RSD parameters include multiple DNN parameters, each PDU session includes only one DNN, each PDU session includes a second DNN parameter corresponding to a DNN different from other second DNN parameters corresponding to DNNs included in other PDU sessions in the multiple PDU sessions, and each second DNN parameter is the same as one of the first DNN parameters, the plurality of DNNs are prioritized to obtain second priority information, a target PDU session in the multi-path PDU session is selected according to the second priority information, and if the PDU session anchor is changed, at least one of the following conditions is met: a plurality of first data network name DNN parameters in the RSD parameters are the same as a plurality of second DNN parameters in the multi-path PDU session; the method comprises the following steps that a plurality of first single network slices select auxiliary information S-NSSAI which is the same as a plurality of second S-NSSAIs in a multi-path PDU session; the method comprises the steps of determining an address lifetime corresponding to each PDU session in the multi-path PDU session to obtain a plurality of address lifetimes, selecting the PDU session corresponding to the longest address lifetime in the plurality of address lifetimes as a target PDU session, and multiplexing the target PDU session, wherein a plurality of first session and service continuity modes SSC Mode are the same as a plurality of second SSC Mode in the multi-path PDU session, so that the target PDU session in the multi-path PDU session is selected according to RSD parameters, and a proper target PDU session can be selected from the plurality of established and multiplexed PDU sessions for multiplexing, thereby improving the continuity of data connection service.
Based on the description of the above PDU session multiplexing method embodiment, the embodiment of the present invention also discloses a PDU session multiplexing device, which may be a computer program (including a program code) running in a user equipment. The PDU session multiplexing device may perform the method shown in fig. 2 or fig. 3. Referring to fig. 4, the PDU session multiplexing device may operate as follows:
a determining unit 401, configured to determine a multiplex packet data unit PDU session that has been established and satisfies a multiplexing condition;
a selecting unit 402, configured to select a target PDU session in the multiple PDU sessions according to a routing descriptor RSD parameter;
a creating unit 403, configured to multiplex the target PDU session.
It can be seen that, in the embodiment of the present invention, by determining the multiple packet data unit PDU sessions that have been established and satisfy the multiplexing condition, it can be determined which of the established PDU sessions can be multiplexed; selecting a target PDU session in the multi-path PDU sessions according to the RSD parameters, thereby determining the most appropriate target PDU session; finally, the target PDU session is multiplexed, such that by selecting a target PDU session from the multiple PDU sessions according to the RSD parameter, an appropriate target PDU session can be selected from the multiple PDU sessions that have been established and can be multiplexed for multiplexing.
In a possible implementation manner, the selecting unit 402, when configured to select a target PDU session in the multi-way PDU session according to the routing descriptor RSD parameter, is specifically configured to:
if the RSD parameters comprise a plurality of first network slice parameters, each PDU session only comprises one network slice, a second network slice parameter corresponding to the network slice contained in each PDU session is different from other second network slice parameters corresponding to the network slices contained in other PDU sessions in the multi-path PDU session, and each second network slice parameter is the same as one of the first network slice parameters in the plurality of first network slice parameters, and the plurality of network slices are prioritized to obtain first priority information;
and selecting a target PDU session in the multi-channel PDU session according to the first priority information.
In a possible implementation manner, the selecting unit 402, when configured to select a target PDU session in the multi-way PDU session according to the routing descriptor RSD parameter, is specifically configured to:
if the RSD parameters include a plurality of first data network name DNN parameters, each PDU session only includes one DNN, a second DNN parameter corresponding to the DNN included in each PDU session is different from other second DNN parameters corresponding to DNNs included in other PDU sessions in the multi-path PDU session, and each second DNN parameter is the same as one of the first DNN parameters, prioritizing the plurality of DNNs to obtain second priority information;
and selecting a target PDU session in the multi-channel PDU session according to the second priority information.
In a possible implementation manner, the selecting unit 402, when configured to select a target PDU session in the multi-way PDU session according to the routing descriptor RSD parameter, is specifically configured to:
if the PDU session anchor is changed, and at least one of the following conditions is satisfied: a plurality of first Data Network Name (DNN) parameters in the RSD parameters are the same as a plurality of second DNN parameters in the multi-path PDU session; a plurality of first single network slices exist, and auxiliary information S-NSSAI is selected to be the same as a plurality of second S-NSSAIs in the multi-path PDU session; there are a plurality of first sessions and a service continuity Mode SSC Mode that is the same as a plurality of second SSC modes in the multi-path PDU session;
determining an address lifetime corresponding to each PDU session in the multi-path PDU session to obtain a plurality of address lifetimes;
and selecting the PDU session corresponding to the longest address lifetime in the plurality of address lifetimes as the target PDU session.
In a possible implementation manner, the determining unit 401 is specifically configured to:
and if the RSD only comprises one first parameter and a second parameter with the same parameter dimension exists in the ith PDU session in the multi-path PDU session is the same as the first parameter, determining that the ith PDU session meets the multiplexing condition, wherein the ith PDU session is any one PDU session in the multi-path PDU session.
In a possible implementation manner, the determining unit 401 is specifically configured to:
if the RSD comprises a first parameter list, the first parameter list comprises a plurality of first list parameters of the same parameter dimension, and an ith path of PDU session in the multi-path PDU session comprises a second list parameter of the same dimension, the second list parameter is the same as one of the first list parameters, the ith path of PDU session is determined to meet the multiplexing condition, and the ith path of PDU session is any one path of PDU session in the multi-path PDU session.
In a possible implementation manner, the determining unit 401 is specifically configured to:
if the RSD lacks a first component and the ith PDU session in the multi-path PDU session does not carry parameters corresponding to the first component when being established, determining that the ith PDU session meets the multiplexing condition, wherein the ith PDU session is any one PDU session in the multi-path PDU session;
and if the RSD comprises a first time window or first position information, and a second time window which is the same as the first time window exists in the ith path of PDU conversation in the multi-path PDU conversation or second position information which is the same as the first position information exists, determining that the ith path of PDU conversation meets multiplexing conditions.
According to another embodiment of the present invention, the units in the PDU session multiplexing device shown in fig. 4 may be respectively or entirely combined into one or several other units to form, or some unit(s) therein may be further split into multiple units with smaller functions to form, which may achieve the same operation without affecting the achievement of the technical effect of the embodiment of the present invention. The units are divided based on logic functions, and in practical application, the functions of one unit can be realized by a plurality of units, or the functions of a plurality of units can be realized by one unit. In other embodiments of the present invention, the PDU-based session multiplexing apparatus may also include other units, and in practical applications, these functions may also be implemented by being assisted by other units, and may be implemented by cooperation of multiple units.
According to another embodiment of the present invention, the PDU session multiplexing device apparatus shown in fig. 4 may be constructed by running a computer program (including program codes) capable of executing the steps involved in the corresponding method shown in fig. 2 or fig. 3 on a general-purpose computing apparatus such as a computer including a processing element such as a Central Processing Unit (CPU), a random access storage medium (RAM), a read only storage medium (ROM), and a storage element, and implementing the PDU session multiplexing method of the embodiment of the present invention. The computer program may be recorded on a computer-readable recording medium, for example, and loaded and executed in the above-described computing apparatus via the computer-readable recording medium.
Based on the description of the method embodiment and the device embodiment, the embodiment of the invention also provides the user equipment. Referring to fig. 5, the user equipment includes at least a processor 501, a memory 502, a communication interface 503, and one or more programs 504. Where the processor 501, memory 502, communication interface 503, and one or more programs 504 within the user device may be connected by a bus or other means.
One or more programs 504 may be stored in the memory of the user device, the one or more programs 504 being for storing a computer program comprising program instructions, the processor 501 being for executing the program instructions stored by the one or more programs 504. The processor 501 (or CPU) is a computing core and a control core of the user equipment, and is adapted to implement one or more instructions, and specifically, adapted to load and execute the one or more instructions so as to implement a corresponding method flow or a corresponding function; in one embodiment, the processor 501 according to the embodiment of the present invention may be configured to perform a series of image processing, including: determining a multiplex Packet Data Unit (PDU) session which is established and meets a multiplexing condition; selecting a target PDU session in the multi-path PDU session according to the RSD parameter; multiplexing the target PDU session.
The embodiment of the invention also provides a computer storage medium (Memory), which is a Memory device in the user equipment and is used for storing programs and data. It is understood that the computer storage medium herein may include a built-in storage medium in the user equipment, and may also include an extended storage medium supported by the user equipment. The computer storage medium provides a storage space that stores an operating system of the user device. Also stored in this memory space are one or more instructions, which may be one or more computer programs (including program code), suitable for loading and execution by processor 501. The computer storage medium may be a high-speed RAM memory, or may be a non-volatile memory (non-volatile memory), such as at least one disk memory; and optionally at least one computer storage medium located remotely from the processor.
In one embodiment, one or more programs stored in a computer storage medium may be loaded and executed by processor 501 to perform the corresponding steps described above with respect to the method in the image processing embodiments; in particular implementations, one or more programs in a computer storage medium are loaded by processor 501 and perform the following steps:
determining a multiplex Packet Data Unit (PDU) session which is established and meets a multiplexing condition;
selecting a target PDU session in the multi-path PDU session according to the RSD parameter;
multiplexing the target PDU session.
In one possible implementation, when used to select a target PDU session of the multi-way PDU session according to the routing descriptor RSD parameter, the one or more programs may be further loaded and specifically executed by the processor 501: if the RSD parameters comprise a plurality of first network slice parameters, each PDU session only comprises one network slice, a second network slice parameter corresponding to the network slice contained in each PDU session is different from other second network slice parameters corresponding to the network slices contained in other PDU sessions in the multi-path PDU session, and each second network slice parameter is the same as one of the first network slice parameters in the plurality of first network slice parameters, and the plurality of network slices are prioritized to obtain first priority information;
and selecting a target PDU session in the multi-channel PDU session according to the first priority information.
In one possible implementation, when used to select a target PDU session of the multi-way PDU session according to the routing descriptor RSD parameter, the one or more programs may be further loaded and specifically executed by the processor 501: if the RSD parameters include a plurality of first data network name DNN parameters, each PDU session only includes one DNN, a second DNN parameter corresponding to the DNN included in each PDU session is different from other second DNN parameters corresponding to DNNs included in other PDU sessions in the multi-path PDU session, and each second DNN parameter is the same as one of the first DNN parameters, prioritizing the plurality of DNNs to obtain second priority information;
and selecting a target PDU session in the multi-channel PDU session according to the second priority information.
In one possible implementation, when used to select a target PDU session of the multi-way PDU session according to the routing descriptor RSD parameter, the one or more programs may be further loaded and specifically executed by the processor 501: if the PDU session anchor is changed, and at least one of the following conditions is satisfied: a plurality of first Data Network Name (DNN) parameters in the RSD parameters are the same as a plurality of second DNN parameters in the multi-path PDU session; a plurality of first single network slices exist, and auxiliary information S-NSSAI is selected to be the same as a plurality of second S-NSSAIs in the multi-path PDU session; there are a plurality of first sessions and a service continuity Mode SSC Mode that is the same as a plurality of second SSC modes in the multi-path PDU session;
determining an address lifetime corresponding to each PDU session in the multi-path PDU session to obtain a plurality of address lifetimes;
and selecting the PDU session corresponding to the longest address lifetime in the plurality of address lifetimes as the target PDU session.
In one possible implementation, the one or more programs may also be loaded and specifically executed by the processor 501: and if the RSD only comprises one first parameter and a second parameter with the same parameter dimension exists in the ith PDU session in the multi-path PDU session is the same as the first parameter, determining that the ith PDU session meets the multiplexing condition, wherein the ith PDU session is any one PDU session in the multi-path PDU session.
In one possible implementation, the one or more programs are loaded and executed by the processor 501: if the RSD comprises a first parameter list, the first parameter list comprises a plurality of first list parameters of the same parameter dimension, and an ith path of PDU session in the multi-path PDU session comprises a second list parameter of the same dimension, the second list parameter is the same as one of the first list parameters, the ith path of PDU session is determined to meet the multiplexing condition, and the ith path of PDU session is any one path of PDU session in the multi-path PDU session.
In one possible implementation, the one or more programs may also be loaded and specifically executed by the processor 501: and if the RSD lacks a first component and the ith PDU session in the multi-path PDU session does not carry parameters corresponding to the first component when being established, determining that the ith PDU session meets the multiplexing condition, wherein the ith PDU session is any one PDU session in the multi-path PDU session.
In one possible implementation, the one or more programs may also be loaded and specifically executed by the processor 501: and if the RSD comprises a first time window or first position information, and a second time window which is the same as the first time window exists in an ith path of PDU conversation in the multi-path PDU conversation or second position information which is the same as the first position information exists, determining that the ith path of PDU conversation meets multiplexing conditions, wherein the ith path of PDU conversation is any path of PDU conversation in the multi-path PDU conversation.
It can be seen that, in the embodiment of the present invention, by determining the multiple packet data unit PDU sessions that have been established and satisfy the multiplexing condition, it can be determined which of the established PDU sessions can be multiplexed; selecting a target PDU session in the multi-path PDU sessions according to the RSD parameters, thereby determining the most appropriate target PDU session; finally, the target PDU session is multiplexed, such that by selecting a target PDU session from the multiple PDU sessions according to the RSD parameter, an appropriate target PDU session can be selected from the multiple PDU sessions that have been established and can be multiplexed for multiplexing. .
Embodiments of the present application also provide a computer program product comprising a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps of any of the methods as described in the above method embodiments. The computer program product may be a software installation package, the computer comprising user equipment.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer readable memory if it is implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above-mentioned method of the embodiments of the present application. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (9)
1. A PDU session multiplexing method, the method comprising:
determining a multiplex Packet Data Unit (PDU) session which is established and meets a multiplexing condition;
selecting a target PDU session of the multiple PDU sessions according to a routing descriptor RSD parameter, wherein the selecting the target PDU session of the multiple PDU sessions according to the routing descriptor RSD parameter comprises: if the RSD parameters comprise a plurality of first network slice parameters, each PDU session only comprises one network slice, a second network slice parameter corresponding to the network slice contained in each PDU session is different from other second network slice parameters corresponding to the network slices contained in other PDU sessions in the multi-path PDU session, each second network slice parameter is the same as one of the first network slice parameters, and the plurality of network slices are prioritized to obtain first priority information; selecting a target PDU session in the multi-channel PDU session according to the first priority information;
multiplexing the target PDU session.
2. The method of claim 1, wherein selecting a target PDU session of the multi-way PDU session according to a routing descriptor (RSD) parameter comprises:
if the RSD parameters include a plurality of first data network name DNN parameters, each PDU session only includes one DNN, a second DNN parameter corresponding to the DNN included in each PDU session is different from other second DNN parameters corresponding to DNNs included in other PDU sessions in the multi-path PDU session, and each second DNN parameter is the same as one of the first DNN parameters, prioritizing the plurality of DNNs to obtain second priority information;
and selecting a target PDU session in the multi-channel PDU session according to the second priority information.
3. The method of claim 1, wherein selecting a target PDU session of the multi-way PDU session according to a routing descriptor (RSD) parameter comprises:
if the PDU session anchor is changed, and at least one of the following conditions is satisfied: a plurality of first Data Network Name (DNN) parameters in the RSD parameters are the same as a plurality of second DNN parameters in the multi-path PDU session; a plurality of first single network slices exist, and auxiliary information S-NSSAI is selected to be the same as a plurality of second S-NSSAIs in the multi-path PDU session; there are a plurality of first sessions and a service continuity Mode SSC Mode that is the same as a plurality of second SSC modes in the multi-path PDU session;
determining an address lifetime corresponding to each PDU session in the multi-path PDU session to obtain a plurality of address lifetimes;
and selecting the PDU session corresponding to the longest address lifetime in the plurality of address lifetimes as the target PDU session.
4. The method according to any one of claims 1-3, further comprising:
and if the RSD only comprises one first parameter and a second parameter with the same parameter dimension exists in the ith PDU session in the multi-path PDU session is the same as the first parameter, determining that the ith PDU session meets the multiplexing condition, wherein the ith PDU session is any one PDU session in the multi-path PDU session.
5. The method according to any one of claims 1-3, further comprising:
if the RSD comprises a first parameter list, the first parameter list comprises a plurality of first list parameters of the same parameter dimension, and an ith path of PDU session in the multi-path PDU session comprises a second list parameter of the same dimension, the second list parameter is the same as one of the first list parameters, the ith path of PDU session is determined to meet the multiplexing condition, and the ith path of PDU session is any one path of PDU session in the multi-path PDU session.
6. The method according to any one of claims 1-3, further comprising:
if the RSD lacks a first component and the ith PDU session in the multi-path PDU session does not carry parameters corresponding to the first component when being established, determining that the ith PDU session meets the multiplexing condition, wherein the ith PDU session is any one PDU session in the multi-path PDU session;
and if the RSD comprises a first time window or first position information, and a second time window which is the same as the first time window exists in the ith path of PDU conversation in the multi-path PDU conversation or second position information which is the same as the first position information exists, determining that the ith path of PDU conversation meets multiplexing conditions.
7. A PDU session multiplexing device, the device comprising:
a determining unit, configured to determine a multiplex packet data unit PDU session that has been established and satisfies a multiplexing condition;
a selecting unit, configured to select a target PDU session in the multiple PDU sessions according to a routing selection descriptor RSD parameter, where the selecting a target PDU session in the multiple PDU sessions according to the routing selection descriptor RSD parameter includes: if the RSD parameters comprise a plurality of first network slice parameters, each PDU session only comprises one network slice, a second network slice parameter corresponding to the network slice contained in each PDU session is different from other second network slice parameters corresponding to the network slices contained in other PDU sessions in the multi-path PDU session, each second network slice parameter is the same as one of the first network slice parameters, and the plurality of network slices are prioritized to obtain first priority information; selecting a target PDU session in the multi-channel PDU session according to the first priority information;
and the creating unit is used for multiplexing the target PDU session.
8. A user equipment comprising a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, the programs comprising instructions for performing the PDU session multiplexing method of any of claims 1-6.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes a computer to perform the PDU session multiplexing method according to any one of claims 1-6.
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