CN111901842B - Wireless communication method and device - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
Abstract
The embodiment of the application provides a wireless communication method and device, which can realize specific application of network slicing. The method comprises the following steps: the network equipment receives a first message sent by the terminal equipment, wherein the first message is used for requesting network slicing service or indicating the network slicing capability of the terminal equipment; the network device sends a first feedback message for the first message to the terminal device.
Description
The present application is a divisional application of application title "wireless communication method and apparatus" with application number 201780057715.2, and application date 2017, 10, 26.
Technical Field
The present application relates to the field of communications, and more particularly, to a wireless communication method and apparatus.
Background
In a New Radio (NR) system, network slicing may be supported. The network slicing refers to slicing a hardware infrastructure into a plurality of virtual end-to-end networks, and each network slice is logically isolated and adapts to different feature requirements of various types of services.
At present, a specific application mode of network slicing in an NR system is not given.
Therefore, how to apply network slicing is a urgent problem to be solved.
Disclosure of Invention
The embodiment of the application provides a wireless communication method and device, which can realize specific application of network slicing.
In a first aspect, a wireless communication method is provided, including:
the network equipment receives a first message sent by the terminal equipment, wherein the first message is used for requesting network slicing service or indicating the network slicing capability of the terminal equipment;
the network device sends a first feedback message for the first message to the terminal device.
Therefore, in the embodiment of the application, the network device receives the first message sent by the terminal device and used for requesting the network slicing service or indicating the network slicing capability of the terminal device, and sends the first feedback message for the first message to the terminal device, so that the flexible application of the network slicing for the specific scene is realized through the interaction between the network device and the terminal device.
With reference to the first aspect, in a possible implementation manner of the first aspect, the sending, by the network device, a first feedback message for the first message to the terminal device includes:
according to the network slicing capability of the terminal equipment, the network equipment sends a first feedback message to the terminal equipment.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, according to a network slicing capability of the terminal device, the sending, by the network device, a first feedback message to the terminal device includes:
And the network equipment sends a first feedback message to the terminal equipment according to whether the network slicing capability of the terminal equipment belongs to the network slicing capability supported by the network.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, a first feedback message is used to indicate:
whether the network slicing capability of the terminal equipment belongs to the network slicing capability supported by the network; or (b)
Among the network slicing capabilities of the terminal equipment, the network slicing capabilities of the network support; or alternatively, the first and second heat exchangers may be,
among the network slicing capabilities of the terminal device, the network slicing capabilities not belonging to the network support.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, when all or part of the network slicing capabilities in the network slicing capabilities of the terminal device belong to network slicing capabilities supported by the network device, the first feedback message carries configuration information for configuring the network slicing of the terminal device.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the method further includes:
the network equipment acquires the network slicing capability of the terminal equipment from the first message, wherein the first message is used for indicating the network slicing capability of the terminal equipment; or alternatively, the first and second heat exchangers may be,
The network device obtains the network slicing capability of the terminal device from a subscription server of the terminal device, wherein the first message is used for requesting network slicing service.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, a network slicing capability of the terminal device is used to indicate at least one of the following:
the number of network slices supported by the terminal device;
identification information of a network slice supported by the terminal equipment;
the service type of the network slice supported by the terminal equipment.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the first message is used to request a network slice service, and the network device sends a feedback message for the first message to the terminal device, including:
the network device sends a first feedback message according to whether the network can meet the network slicing service requested by the terminal device.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the sending, by the network device, a first feedback message according to a network slice service that can be met by the network device and requested by the terminal device includes:
When the network can meet the network slicing service requested by the terminal equipment, the network equipment sends a first feedback message, wherein the first feedback message carries configuration information for configuring the network slicing of the terminal equipment.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the sending, by the network device, a first feedback message according to whether the network can meet a network slice service requested by the terminal device includes:
and when the network cannot meet the network slicing service requested by the terminal equipment, sending a first feedback message, wherein the first feedback message is used for rejecting the network slicing service request.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the first message is used to request a network slice service, and the first message further indicates that a joining network slice is requested.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the sending, by the network device, a first feedback message for the first message to the terminal device includes:
the network equipment determines whether the network slice requested to be added by the terminal equipment is a network slice signed by the terminal equipment;
And sending a first feedback message according to whether the network slice requested to be added by the terminal equipment is the network slice signed by the terminal equipment.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, sending the first feedback message according to whether the network slice requested to be added by the terminal device is a network slice subscribed by the terminal device includes:
and when all or part of the network slices requested by the terminal equipment belong to the network slices subscribed by the terminal equipment, sending a first feedback message, wherein the first feedback message carries configuration information for configuring the network slices of the terminal equipment, and the configured network slices belong to the network slices subscribed by the terminal equipment.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, sending the first feedback message according to whether the network slice requested to be added by the terminal device is a network slice subscribed by the terminal device includes:
and when all or part of the network slices requested by the terminal equipment do not belong to the network slices subscribed by the terminal equipment, sending a first feedback message, wherein the first feedback message is used for rejecting the network slice service to the terminal equipment.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the first feedback message carries a cause value that refuses to perform network slice service on the terminal device, where the cause value is all or part of network slices requested by the terminal device do not belong to network slices subscribed by the terminal device.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the determining, by the network device, whether the network slice that the terminal device requests to join is a network slice subscribed by the terminal device includes:
the network equipment sends a second message to a signing server of the terminal equipment, wherein the second message indicates the terminal equipment to request to join the network slice;
receiving a second feedback message sent by the signing server aiming at the second message, wherein the second feedback message is used for indicating whether the network slice requested to be added by the terminal equipment is the network slice signed by the terminal equipment;
and determining whether the network slice requested to be added by the terminal equipment is a network slice signed by the terminal equipment according to the second feedback message.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the determining, by the network device, whether the network slice that the terminal device requests to join is a network slice subscribed by the terminal device includes:
The network equipment sends a third message to a subscription server of the terminal equipment, wherein the third message is used for requesting subscription information of the terminal equipment;
receiving a third feedback message sent by the signing server aiming at the third message, wherein the third feedback message carries signing information of the terminal equipment;
and determining whether the network slice requested to be added by the terminal equipment is the network slice signed by the terminal equipment according to the signing information of the terminal equipment.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the first message is a registration message.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the first feedback message is a message that denies registration, and the reason value that the first feedback message carries that denies registration is that the network slicing service requested by the terminal device is not supported, or that the network slicing capability of the terminal device is not a network slicing capability supported by the network device.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the first feedback message carries indication information indicating refusal of network slicing service to the terminal device.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the first feedback message further carries a cause value of the rejection.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the first feedback message carries configuration information for configuring a network slice of the network device.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the configuration information includes:
type information of the configured network slice;
the configured identification information of network switching;
the number of configured network switches.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the service type includes at least one of the following:
and the mobile broadband eMBB, the low-delay high-reliability communication URLLC and the large-scale Internet of things mIOT are enhanced.
With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the network device is a core network device.
In a second aspect, a wireless communication method is provided, including:
The terminal equipment sends a first message to the network equipment, wherein the first message is used for requesting network slicing service or indicating the network slicing capability of the terminal equipment;
the terminal device receives a first feedback message sent by the network device for the first message.
Therefore, in the embodiment of the application, the network device receives the first message sent by the terminal device and used for requesting the network slicing service or indicating the network slicing capability of the terminal device, and sends the first feedback message for the first message to the terminal device, so that the flexible application of the network slicing for the specific scene is realized through the interaction between the network device and the terminal device.
With reference to the second aspect, in a possible implementation manner of the second aspect, the first message is used to request a network slice service, and the first message further indicates a network slice to which joining is requested.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, a network slicing capability of the terminal device is used to indicate at least one of the following:
the number of network slices supported by the terminal device;
identification information of a network slice supported by the terminal equipment;
The service type of the network slice supported by the terminal equipment.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, the first feedback message carries indication information indicating refusal of network slice services to the terminal device.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, the first feedback message carries a cause value of refusing to perform network slicing service on the terminal device.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, the method further includes:
the terminal device sends a first message to other network devices having a different public land mobile network PLMN or radio access technology RAT than the network device.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, the first feedback message carries configuration information for configuring a network slice of the terminal device.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, the configuration information includes:
Information of the service type of the configured network slice;
the configured identification information of network switching;
the number of configured network switches.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, a service type includes at least one of the following:
and the mobile broadband eMBB, the low-delay high-reliability communication URLLC and the large-scale Internet of things mIOT are enhanced.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, the first feedback message is used to indicate:
whether the network slicing capability of the terminal equipment belongs to the network slicing capability supported by the network; or (b)
Among the network slicing capabilities of the terminal equipment, the network slicing capabilities of the network support; or alternatively, the first and second heat exchangers may be,
among the network slicing capabilities of the terminal device, the network slicing capabilities not belonging to the network support.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, the method further includes:
when all or part of the network slicing capabilities of the terminal device do not belong to network supported network slicing capabilities, the terminal device sends a first message to other network devices having different PLMNs or RATs than the network device.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, the first message is a registration message.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, the first feedback message is a message that denies registration, and the reason value that the first feedback message carries that denies registration is that the network slicing service requested by the terminal device is not supported, or that the network slicing capability of the terminal device is not a network slicing capability supported by the network device.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, the sending, by a terminal device, a first message to a network device includes:
the first message is sent to the network device based on the public land mobile network PLMN, radio access technology RAT or area in which the network device is located.
With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, the network device is a core network device.
In a third aspect, a network device is provided for performing the method of the first aspect or any possible implementation of the first aspect. In particular, the network device comprises functional modules for performing the method of the first aspect or any possible implementation of the first aspect.
In a fourth aspect, a terminal device is provided for performing the method of the second aspect or any possible implementation of the second aspect. In particular, the terminal device comprises functional modules for performing the method of the second aspect or any possible implementation of the second aspect.
In a fifth aspect, a network device is provided that includes a processor, a memory, and a transceiver. The processor, the memory and the transceiver communicate with each other via an internal connection path, passing control and/or data signals such that the network device performs the method of the first aspect or any possible implementation of the first aspect.
In a sixth aspect, a terminal device is provided that includes a processor, a memory, and a transceiver. The processor, the memory and the transceiver communicate with each other via an internal connection path, passing control and/or data signals such that the terminal device performs the method of the second aspect or any possible implementation of the second aspect.
In a seventh aspect, a computer readable medium is provided for storing a computer program comprising instructions for performing any one of the methods or any possible implementation thereof.
In an eighth aspect, a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any one of the above methods or any of the possible implementations is provided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a wireless communication method according to an embodiment of the present application.
Fig. 2 is a schematic block diagram of a network device according to an embodiment of the present application.
Fig. 3 is a schematic block diagram of a terminal device according to an embodiment of the present application.
Fig. 4 is a schematic block diagram of a system chip according to an embodiment of the present application.
Fig. 5 is a schematic block diagram of a communication device according to an embodiment of the present application.
Detailed Description
The following description of the technical solutions in the embodiments of the present application will be made with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The technical solution of the embodiment of the application can be applied to various communication systems, for example: global mobile communications (Global System of Mobile communication, abbreviated as "GSM") system, code division multiple access (Code Division Multiple Access, abbreviated as "CDMA") system, wideband code division multiple access (Wideband Code Division Multiple Access, abbreviated as "WCDMA") system, general packet radio service (General Packet Radio Service, abbreviated as "GPRS"), long term evolution (Long Term Evolution, abbreviated as "LTE") system, LTE frequency division duplex (Frequency Division Duplex, abbreviated as "FDD") system, LTE time division duplex (Time Division Duplex, abbreviated as "TDD"), universal mobile telecommunications system (Universal Mobile Telecommunication System, abbreviated as "UMTS"), worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access, abbreviated as "WiMAX") communication system, or 5G system (which may also be referred to as NR system), and the like.
In a communication system, a mobile network needs to serve various types and demands of devices. Typical application scenarios may include mobile broadband, large-scale internet of things, mission critical internet of things. Different types of networks can be adopted in the scenes, and different requirements are met in the aspects of mobility, charging, security, policy control, delay, reliability and the like.
For example, a large-scale internet of things service connects fixed sensors to measure temperature, humidity, rainfall, etc. The characteristics of handover, location update, etc. of those primary service handsets in the mobile network are not required. In addition, the internet of things services such as automatic driving and remote control of robots, which are critical tasks, require end-to-end delay of several milliseconds, which is quite different from mobile broadband services.
But this does not mean that a private network needs to be built for each service, since multiple logical networks can be split on a separate physical network by network slicing techniques to save costs.
The network slicing refers to that the hardware infrastructure can be sliced into a plurality of virtual end-to-end networks, and each network slicing is logically isolated from a terminal to access network equipment, to a transmission network and then to a core network, so that different feature requirements of various types of services can be adapted.
For each network slice, dedicated resources like virtual servers, network bandwidth, quality of service, etc. can be fully guaranteed. Because the slices are isolated from each other, errors or faults in one slice may not affect the communication of the other slices.
To implement network slicing, network function virtualization (Network Function Virtual, NFV) may be employed. Basically, the main idea of NFV is to deploy network function software on a virtual machine on a server, rather than on its dedicated network device alone. In this way, the access network may be regarded as an edge cloud, while the core functionality is regarded as a core cloud. The connection between Virtual Machines (VMs) located in the edge and core clouds may be configured. A slice may then be created for each service (i.e., telephony service, large-scale internet of things service, mission critical internet of things service, etc.).
The network slice is described above, but the network slice mentioned in the embodiments of the present application is not limited to the above description.
The wireless communication method, network device, terminal and device provided below provide a specific application of network slicing.
Fig. 1 is a schematic flow chart of a wireless communication method 100 according to an embodiment of the present application. The method 100 includes at least some of the following.
In 110, the terminal device sends a first message to the network device, the first message being for requesting a network slicing service or for indicating network slicing capabilities of the terminal device.
Alternatively, the terminal device mentioned in the embodiments of the present application may be mobile or fixed. Alternatively, the terminal device may refer to an access terminal, user Equipment (UE), subscriber unit, subscriber station, mobile station, remote terminal, mobile device, user terminal, wireless communication device, user agent, or User Equipment. An access terminal may be a cellular telephone, a cordless telephone, a session initiation protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital assistant (Personal Digital Assistant, PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a 5G network, or a terminal device in an evolved PLMN.
Alternatively, the network device mentioned in the embodiments of the present application may be a core network device.
Optionally, when the first message is used to request a network slice service, the first message may also indicate a network slice requesting to join, but may not carry the network slice requesting to join.
Alternatively, when the first message is used to indicate the network slicing capability of the terminal device, it may also be used to request network slicing services at the same time.
Optionally, the network slicing capability of the terminal device is used to indicate at least one of:
the number of network slices supported by the terminal device;
identification information of the network slice supported by the terminal equipment;
the service type of the network slice supported by the terminal equipment.
Optionally, when the network slice capability of the terminal device in the first message is used to indicate the number of network slices supported by the terminal, it means that the first message may carry number information, or may also carry identification information of a specific supported network slice, so that the number of supported network slices may be indicated indirectly.
Alternatively, when the network slice capability of the terminal device in the first message is used to indicate the identification information of the network slice supported by the terminal, it means that the identification information may be carried in the first message.
Alternatively, when the network slicing capability of the terminal device in the first message is used to indicate the service type of the network slice supported by the terminal, it means that the service type information may be carried in the first message.
Alternatively, the service types mentioned in the embodiments of the present application may be enhanced mobile broadband (Enhance Mobile Broadband, emmbb), low latency high reliability communication (Ultra Reliable & Low Latency Communication, URLLC), and large-scale internet of things (Massive Internal of Thing, mIOT).
Alternatively, in the embodiment of the present application, the terminal device may send the first message to the network device based on the public land mobile network (Public Land Mobile Network, PLMN), radio access technology (Radio Access Technology, RAT) or area in which the network device is located. The area mentioned in the embodiment of the present application may be a service area or a registration area.
Specifically, the network slicing capability supported by the terminal device may be different in different PLMNs, RATs or areas, and at this time, the first message needs to be sent for the PLMN, RAT or area corresponding to the current network device.
Alternatively, the terminal device may determine PLMNs, RATs or areas according to network slicing capabilities supported by the respective PLMNs, RATs or areas, and send the first message to the network device corresponding to the determined PLMN, RAT or area.
Specifically, the terminal device may determine, according to each PLMN, RAT or area supported network slicing capability and the network slicing capability supported by the terminal device, a PLMN, RAT or area matching the network slicing capability supported by the terminal device, and send a first message to the matching PLMN, RAT or area.
Alternatively, the first message mentioned in the embodiment of the present application may be a registration message.
In particular, the terminal device may send the first message during any registration procedure, i.e. report the network slicing capabilities supported by itself to the network device, or request a network slicing service. Alternatively, the terminal device may alter the network slicing capability information, or alter the requested network slicing service, during any registration procedure.
In 120, the network device receives the first message sent by the terminal device.
In 130, the network device sends a first feedback message for the first message to the terminal device.
Specifically, after receiving the first message, the network device may feed back the first message according to the current actual situation. For a clearer understanding, several feedback approaches will be described below. It should be understood that the various feedback approaches described below are not independent and features of the various feedback approaches may be used in combination without conflict.
In one implementation, the network device sends the first feedback message to the terminal device according to the network slicing capabilities of the terminal device.
Specifically, the network device may send the first feedback message to the terminal device according to whether the network slicing capability of the terminal device belongs to a network supported network slicing capability.
Specifically, the network device needs to learn the network slicing capability supported by the terminal device, then, determine whether the network slicing capability supported by the terminal device belongs to the network slicing capability supported by the network in combination with the network slicing capability supported by the network, and then, feed back the determination result.
Optionally, the first feedback message may indicate: whether the network slicing capability of the terminal device belongs to the network slicing capability supported by the network.
In particular, the network device may feed back to the terminal device whether the network slicing capabilities of the terminal device are supported by the network. For example, assuming that the first message carries the number of network slices supported by the terminal device, it may be fed back whether the number of network slices is supported by the network. For example, assuming that the first message carries identification information of a network slice supported by the terminal device, whether the network slice of each identification information is supported by the network may be fed back. For example, assuming that the first message carries a service type of a network slice supported by the terminal device, whether the network slice of each service type is supported by the network may be fed back.
Optionally, the first feedback message may indicate: among the network slicing capabilities of the terminal device, the network slicing capabilities supported by the network belong to.
Specifically, the network device may feed back to the terminal device the supported network slicing capability of the network slicing capabilities of the terminal device. For example, assuming that the first message carries the number of network slices supported by the terminal device, the number of network slices actually capable of being supported by the network may be fed back, which may be smaller than the number of network slices supported by the terminal device. For example, assuming that the first message carries identification information of a network slice supported by the terminal device, the identification information of the network slice supported by the network may be fed back. For example, assuming that the first message carries the service type of the network slice supported by the terminal device, the service type of the network slice supported by the network may be fed back.
Optionally, the first feedback message may indicate: the network slicing capability of the terminal device does not belong to the network slicing capability supported by the network.
Specifically, the network device may feed back to the terminal device the network slicing capabilities that are not supported among the network slicing capabilities of the terminal device. For example, assuming that the first message carries the number of network slices supported by the terminal device, the number of network slices that are not actually supported by the network may be fed back, which may be equal to the number of network slices supported by the terminal device minus the number of network slices that are actually capable of being supported by the network. For example, assuming that the first message carries identification information of a network slice supported by the terminal device, the identification information of the network device slice not supported by the network may be fed back. For example, assuming that the first message carries a service type of a network slice supported by the terminal device, the service type of the network slice not supported by the network may be fed back.
Optionally, when all or part of the network slicing capabilities of the terminal device belong to the network slicing capabilities supported by the network device, the first feedback message carries configuration information for configuring the network slicing of the terminal device.
Specifically, when all network slicing capabilities in the network slicing capabilities of the terminal device belong to the network slicing capabilities supported by the network device, the network slicing configuration may be performed on the terminal device. Or when part of the network slicing capability in the network slicing capability of the terminal device belongs to the network slicing capability supported by the network device, the network slicing configuration can be performed on the terminal device.
Wherein the configuration information may indicate at least one of a number of configured network slices, identification information and a traffic type.
Alternatively, the configured network slice may be compatible with the capabilities of the terminal device at the same time, as well as the capabilities of the network device at the same time.
For example, the number of configured network slices is less than or equal to the number of network slices supported by the terminal device, and is also less than or equal to the number of network slices supported by the network to the terminal device.
For example, the identification information of the configured network slice is identification information of the network slice supported by the terminal device, and is also identification information of the network slice supported by the network device.
For example, the service type of the configured network slice is the service type of the network slice supported by the terminal device, and is also the service type of the network slice supported by the network device.
Optionally, when all or part of the network slicing capabilities of the terminal device do not belong to the network slicing capabilities supported by the network device, if the first message is used to request a network slicing service, the first feedback message is used to reject the network slicing service request.
Alternatively, the cause value may be carried when the first feedback message is used to reject the network slice service request.
Optionally, when the first message is a registration message, the first feedback message may be a message for rejecting registration, and the reason value of rejecting registration carried by the first feedback message is that the network slicing service requested by the terminal device is not supported, or the network slicing capability of the terminal device is not a network slicing capability supported by the network device.
Optionally, the network device obtains the network slicing capability of the terminal device from the first message, where the first message is used to indicate the network slicing capability of the terminal device.
Optionally, the network device obtains the network slicing capability of the terminal device from a subscription server of the terminal device, where the first message is used to request a network slicing service.
In one implementation, the network device sends the first feedback message according to whether the network is capable of satisfying the network slice service requested by the terminal device.
Optionally, the first message is for requesting a network slice service, and optionally the first message also indicates a network slice to request joining.
Alternatively, the first message is used to request a network slicing service, and the first message optionally also carries network slicing capabilities supported by the terminal device.
Optionally, when the network can meet the network slice service requested by the terminal device, the network device sends the first feedback message, where the first feedback message carries configuration information for configuring the network slice of the terminal device.
Wherein the configuration information may indicate at least one of a number of configured network slices, identification information and a traffic type.
The configured network slice may be a network slice that the terminal device requests to join; it may also be that the terminal device requests a joining network slice, in particular a configured network slice may be based on network slice capabilities supported by the terminal device (the network device may obtain the capabilities from the subscription server).
Optionally, when the network cannot meet the network slice service requested by the terminal device, the first feedback message is sent, and the first feedback message is used for rejecting the network slice service request.
Specifically, assuming that the network device does not support the number of network slices requested by the terminal device, the network slice service request may be denied when the network slice has specific identification information or the service type of the requested network slice. Or, the number of network slices, the identification information and/or the service type supported by the network device do not correspond to the number of network slices, the identification information and/or the service type supported by the terminal device, and the network slice service request may be rejected.
Alternatively, the cause value may be carried when the first feedback message is used to reject the network slice service request.
Optionally, when the first message is a registration message, the first feedback message may be a message for rejecting registration, and the reason value of rejecting registration carried by the first feedback message is that the network slicing service requested by the terminal device is not supported, or the network slicing capability of the terminal device is not a network slicing capability supported by the network device.
In one implementation, the network device determines whether the network slice that the terminal device requests to join is a network slice that the terminal device signs up for; and sending the first feedback message according to whether the network slice requested to be added by the terminal equipment is the network slice subscribed by the terminal equipment.
Optionally, when all or part of the network slices requested by the terminal device belong to the network slices subscribed by the terminal device, the first feedback message is sent, where the first feedback message carries configuration information for configuring the network slices of the terminal device, where the configured network slices belong to the network slices subscribed by the terminal device.
Optionally, when all or part of the network slices requested by the terminal device do not belong to the network slices subscribed by the terminal device, the first feedback message is sent, where the first feedback message is used to refuse to perform network slice service on the terminal device.
Optionally, the first feedback message carries a cause value for refusing to perform network slice service on the terminal device, where the cause value is all or part of network slices requested by the terminal device do not belong to network slices subscribed by the terminal device.
Optionally, the network device sends a second message to a subscription server of the terminal device, where the second message indicates that the terminal device requests to join a network slice; receiving a second feedback message sent by the signing server aiming at the second message, wherein the second feedback message is used for indicating whether the network slice requested to be added by the terminal equipment is the network slice signed by the terminal equipment; and determining whether the network slice requested to be added by the terminal equipment is a network slice subscribed by the terminal equipment according to the second feedback message.
Optionally, the network device sends a third message to the subscription server of the terminal device, where the third message is used to request subscription information of the terminal device; receiving a third feedback message sent by the signing server aiming at the third message, wherein the third feedback message carries signing information of the terminal equipment; and determining whether the network slice requested to be added by the terminal equipment is the network slice subscribed by the terminal equipment according to the subscription information of the terminal equipment.
In 140, the terminal device receives the first feedback message sent by the network device for the first message.
Optionally, when the terminal device knows through feedback of the network device that all or part of the network slicing capability of the terminal device does not belong to the network slicing capability supported by the network, the terminal device sends the first message to other network devices having different PLMNs or RATs from the network device.
Optionally, when the first feedback message indicates that network slicing service is refused to be performed on the terminal, the terminal device sends the first message to other network devices having different PLMNs or RATs from the network device.
Therefore, in the embodiment of the application, the network device receives the first message sent by the terminal device and used for requesting the network slicing service or indicating the network slicing capability of the terminal device, and sends the first feedback message for the first message to the terminal device, so that the flexible application of the network slicing for the specific scene is realized through the interaction between the network device and the terminal device.
Fig. 2 is a schematic block diagram of a network device 200 according to an embodiment of the present application. As shown in fig. 2, the network device 200 includes a receiving unit 210 and a feedback unit 220; wherein the receiving unit 210 is configured to: receiving a first message sent by a terminal device, wherein the first message is used for requesting network slicing service or indicating network slicing capability of the terminal device; the feedback unit 220 is configured to: and sending a first feedback message for the first message to the terminal equipment.
It should be understood that the network device 200 may correspond to a network device in a method embodiment, and corresponding operations implemented by the network device in the method embodiment may be implemented, which are not described herein for brevity.
Fig. 3 is a schematic block diagram of a terminal device 300 according to an embodiment of the present application. As shown in fig. 3, the terminal device 300 includes a transmitting unit 310 and a receiving unit 320; wherein, the sending unit 310 is configured to: transmitting a first message to a network device, the first message being used for requesting a network slicing service or for indicating network slicing capabilities of the terminal device; the receiving unit 320 is configured to: a first feedback message sent by the network device for the first message is received.
It should be understood that the terminal device 300 may correspond to a terminal device in a method embodiment, and corresponding operations implemented by the terminal device in the method embodiment may be implemented, which are not described herein for brevity.
Fig. 4 is a schematic block diagram of a system chip 600 according to an embodiment of the present application. The system chip 600 of fig. 4 includes an input interface 601, an output interface 602, the processor 603, and a memory 604, which may be connected by an internal communication connection, where the processor 603 is configured to execute codes in the memory 604.
Optionally, the processor 603 implements a method performed by the network device in a method embodiment when the code is executed. For brevity, the description is omitted here.
Optionally, the processor 603 implements a method performed by the terminal device in a method embodiment when the code is executed. For brevity, the description is omitted here.
Fig. 5 is a schematic block diagram of a communication device 700 according to an embodiment of the present application. As shown in fig. 5, the communication device 700 includes a processor 710 and a memory 720. The memory 720 may store program codes, and the processor 710 may execute the program codes stored in the memory 720.
Alternatively, as shown in fig. 5, the communication device 700 may include a transceiver 730, and the processor 710 may control the transceiver 730 to communicate externally.
Optionally, the processor 710 may invoke the program code stored in the memory 720 to execute the corresponding operations of the network device in the method embodiment, which are not described herein for brevity.
Optionally, the processor 710 may invoke the program codes stored in the memory 720 to execute the corresponding operations of the terminal device in the method embodiment, which are not described herein for brevity.
It should be appreciated that the processor of an embodiment of the present application may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be implemented by integrated logic circuits of hardware in a processor or instructions in software form. The processor may be a general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in hardware, in a decoded processor, or in a combination of hardware and software modules in a decoded processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.
It will be appreciated that the memory in embodiments of the present application may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (Double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown 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 may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (32)
1. A method of wireless communication, comprising:
the network equipment receives a first message sent by the terminal equipment, wherein the first message is used for indicating the network slicing capability of the terminal equipment;
the network equipment sends a first feedback message to the terminal equipment according to whether the network slicing capability of the terminal equipment belongs to the network slicing capability supported by a network;
wherein the first feedback message is for indicating:
among the network slicing capabilities of the terminal equipment, the network slicing capabilities supported by the network belong to the network slicing capabilities; or alternatively, the first and second heat exchangers may be,
and the network slicing capability of the terminal equipment does not belong to the network slicing capability supported by the network.
2. The method according to claim 1, wherein the first feedback message carries configuration information for configuring the network slice of the terminal device when all or part of the network slice capabilities of the terminal device belong to network slice capabilities supported by the network device.
3. The method according to claim 1, wherein the method further comprises:
and the network equipment acquires the network slicing capability of the terminal equipment from the first message.
4. The method of claim 1, wherein the network slicing capability of the terminal device is used to indicate at least one of:
the number of network slices supported by the terminal equipment;
identification information of the network slice supported by the terminal equipment;
and the service type of the network slice supported by the terminal equipment.
5. A method according to any of claims 1 to 3, wherein the first feedback message carries configuration information for network slice configuration of the network device.
6. The method of claim 5, wherein the configuration information comprises:
information of the service type of the configured network slice;
the configured identification information of network switching;
the number of configured network switches.
7. The method of claim 6, wherein the traffic type comprises at least one of:
and the mobile broadband eMBB, the low-delay high-reliability communication URLLC and the large-scale Internet of things mIOT are enhanced.
8. A method according to any one of claims 1 to 3, wherein the network device is a core network device.
9. A method of wireless communication, comprising:
the method comprises the steps that terminal equipment sends a first message to network equipment, wherein the first message is used for indicating network slicing capability of the terminal equipment;
the terminal equipment receives a first feedback message sent by the network equipment aiming at the first message;
the first feedback message is used for indicating network slicing capabilities which belong to the network support in the network slicing capabilities of the terminal equipment; or alternatively, the first and second heat exchangers may be,
and the network slicing capability of the terminal equipment does not belong to the network slicing capability supported by the network.
10. The method of claim 9, wherein the network slicing capability of the terminal device is used to indicate at least one of:
the number of network slices supported by the terminal equipment;
identification information of the network slice supported by the terminal equipment;
and the service type of the network slice supported by the terminal equipment.
11. The method according to claim 9 or 10, wherein the first feedback message carries configuration information for network slice configuration of the terminal device.
12. The method of claim 11, wherein the configuration information comprises:
information of the service type of the configured network slice;
the configured identification information of network switching;
the number of configured network switches.
13. The method of claim 10, wherein the traffic type comprises at least one of:
and the mobile broadband eMBB, the low-delay high-reliability communication URLLC and the large-scale Internet of things mIOT are enhanced.
14. The method according to claim 9, wherein the method further comprises:
and when all or part of the network slicing capabilities of the terminal equipment do not belong to the network slicing capabilities supported by the network, the terminal equipment sends the first message to other network equipment with PLMN or RAT different from the network equipment.
15. The method according to claim 9 or 10, wherein the terminal device sending a first message to a network device, comprising:
and sending the first message to the network equipment based on a Public Land Mobile Network (PLMN) in which the network equipment is located and a Radio Access Technology (RAT) or an area.
16. The method according to claim 9 or 10, wherein the network device is a core network device.
17. A network device, comprising a receiving unit and a feedback unit; wherein the method comprises the steps of
The receiving unit is used for: receiving a first message sent by a terminal device, wherein the first message is used for indicating the network slicing capability of the terminal device;
the feedback unit is used for: according to the network slicing capability of the terminal equipment, a first feedback message is sent to the terminal equipment;
wherein the first feedback message is for indicating:
among the network slicing capabilities of the terminal equipment, the network slicing capabilities supported by the network belong to the network slicing capabilities; or alternatively, the first and second heat exchangers may be,
and the network slicing capability of the terminal equipment does not belong to the network slicing capability supported by the network.
18. The device of claim 17, wherein the first feedback message carries configuration information for configuring the network slice of the terminal device when all or part of the network slice capabilities of the terminal device belong to network slice capabilities supported by the network device.
19. The apparatus of claim 17, wherein the feedback unit is further configured to:
and acquiring the network slicing capability of the terminal equipment from the first message.
20. The device of claim 17, wherein the network slicing capability of the terminal device is used to indicate at least one of:
the number of network slices supported by the terminal equipment;
identification information of the network slice supported by the terminal equipment;
and the service type of the network slice supported by the terminal equipment.
21. The device of claim 17, wherein the first feedback message carries configuration information for network slice configuration of the network device.
22. The apparatus of claim 21, wherein the configuration information comprises:
information of the service type of the configured network slice;
the configured identification information of network switching;
the number of configured network switches.
23. The apparatus of claim 22, wherein the traffic type comprises at least one of:
and the mobile broadband eMBB, the low-delay high-reliability communication URLLC and the large-scale Internet of things mIOT are enhanced.
24. The device of claim 17, wherein the network device is a core network device.
25. A terminal device, comprising a transmitting unit and a receiving unit; wherein, the liquid crystal display device comprises a liquid crystal display device,
The transmitting unit is used for: transmitting a first message to a network device, wherein the first message is used for indicating the network slicing capability of the terminal device;
the receiving unit is used for: receiving a first feedback message sent by the network device for the first message;
the first feedback message is used for indicating network slicing capabilities which belong to the network support in the network slicing capabilities of the terminal equipment; or alternatively, the first and second heat exchangers may be,
and the network slicing capability of the terminal equipment does not belong to the network slicing capability supported by the network.
26. The device of claim 25, wherein the network slicing capability of the terminal device is used to indicate at least one of:
the number of network slices supported by the terminal equipment;
identification information of the network slice supported by the terminal equipment;
and the service type of the network slice supported by the terminal equipment.
27. The apparatus according to claim 25 or 26, wherein the first feedback message carries configuration information for network slice configuration of the terminal device.
28. The apparatus of claim 27, wherein the configuration information comprises:
information of the service type of the configured network slice;
The configured identification information of network switching;
the number of configured network switches.
29. The apparatus of claim 28, wherein the traffic type comprises at least one of:
and the mobile broadband eMBB, the low-delay high-reliability communication URLLC and the large-scale Internet of things mIOT are enhanced.
30. The apparatus of claim 25, wherein the transmitting unit is further configured to:
and when all or part of the network slicing capabilities of the terminal device do not belong to the network slicing capabilities supported by the network, sending the first message to other network devices with different PLMNs or RATs from the network devices.
31. The apparatus according to claim 25 or 26, wherein the transmitting unit is further configured to:
and sending the first message to the network equipment based on a Public Land Mobile Network (PLMN) in which the network equipment is located and a Radio Access Technology (RAT) or an area.
32. The device according to claim 25 or 26, wherein the network device is a core network device.
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| CN109792657B (en) | 2020-08-18 |
| CN109792657A (en) | 2019-05-21 |
| CN111901842A (en) | 2020-11-06 |
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