CN116600250B - Network access mode determining method, device, equipment, medium and product - Google Patents

Network access mode determining method, device, equipment, medium and product Download PDF

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Publication number
CN116600250B
CN116600250B CN202310878848.3A CN202310878848A CN116600250B CN 116600250 B CN116600250 B CN 116600250B CN 202310878848 A CN202310878848 A CN 202310878848A CN 116600250 B CN116600250 B CN 116600250B
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user equipment
network element
generation partnership
partnership project
relay
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CN116600250A (en
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黄昌正
刘海
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application relates to a network access mode determining method, a network access mode determining device, a communication device, a storage medium and a program product. The method comprises the following steps: and acquiring the position information of the relay user equipment according to the service control message sent by the non-third generation partnership project interworking function network element, and determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information, wherein the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element. The method can successfully determine the network access mode of the remote user equipment to the network element with the non-third generation partnership project interworking function through the acquired position information of the relay user equipment.

Description

Network access mode determining method, device, equipment, medium and product
Technical Field
The present application relates to the field of wireless communications technologies, and in particular, to a method, an apparatus, a device, a medium, and a product for determining a network access mode.
Background
With the development of wireless broadband technology, in a mobile communication system, device-to-Device (D2D) communication allows direct communication between User Equipments (UEs).
For example, in the case that the remote user equipment is out of coverage of the base station network or communication with the core network of the base station network is poor, the core network may be accessed by the relay user equipment to implement communication with the core network.
In practical applications, different network traffic needs to be managed differently, but before traffic management is implemented, a network access manner of a remote user equipment is first determined when the remote user equipment sends a message to a core network. However, it is difficult to determine a network access manner of the remote user equipment in the related art.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a method, apparatus, device, medium and product for determining a network access mode, which are capable of determining a network access mode of a remote user equipment.
In a first aspect, an embodiment of the present application provides a method for determining a network access manner, which is applied to a network element with access and mobility management functions, where the method includes:
acquiring the position information of the relay user equipment according to the service control message sent by the non-third generation partnership project interworking function network element; the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element;
Based on the location information, determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element.
In one embodiment, obtaining a network access manner of a remote user equipment accessing a non-third generation partnership project interworking function network element based on location information includes:
acquiring the access network type of the relay user equipment;
and under the condition that the access network type is a non-third generation partnership project access type, determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment.
In one embodiment, determining a network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element according to the location information of the relay user equipment includes:
acquiring a network protocol address of the relay user equipment according to the position information of the relay user equipment;
if the network protocol address of the relay user equipment exists in the network protocol address pool, determining that the network access mode is a proximity service access mode;
if the network protocol address of the relay user equipment does not exist in the network protocol address pool, the network access mode is determined to be a non-adjacent service access mode.
In one embodiment, acquiring the network protocol address of the relay user equipment according to the location information of the relay user equipment includes:
acquiring a network protocol address associated with the position information of the relay user equipment according to a preset position address association relation, and taking the network protocol address as the network protocol address of the relay user equipment; the location address association relationship includes correspondence between location information of a plurality of different relay user equipments and associated network protocol addresses.
In one embodiment, determining a network access manner of the remote user equipment to the non-third generation partnership project interworking function network element based on the location information includes:
acquiring the access network type of the relay user equipment;
and sending the position information and the access network type to the session management function network element, and indicating the session management function network element to determine the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
In one embodiment, the service control message is sent to the non-third generation partnership project interworking function network element through the relay user equipment by the remote user equipment after the communication tunnel is established between the remote user equipment and the relay user equipment and between the relay user equipment and the non-third generation partnership project interworking function network element.
In one embodiment, the relay user equipment is any one candidate relay user equipment determined from a plurality of candidate relay user equipment under the condition that the neighboring service function authorization of the remote user equipment is successful; each candidate relay user equipment represents a candidate relay user equipment in the core network that has successfully authorized a proximity service function.
In one embodiment, the method further comprises:
and sending a flow management request to the session management function network element to instruct the session management function network element to manage the network flow when the network access mode is the proximity service access mode.
In a second aspect, an embodiment of the present application provides a method for determining a network access manner, which is applied to a network element with a session management function, where the method includes:
determining a network access mode of the remote user equipment to a non-third generation partnership project interworking function network element; the network access mode is determined based on the position information of the relay user equipment, the relay user equipment is used for realizing the communication between the remote user equipment and the network element with the non-third generation partnership project interworking function, and the position information is acquired by the network element with the access and mobility management function according to the service control information sent by the network element with the non-third generation partnership project interworking function.
In one embodiment, the network access mode is determined after the access and mobility management function network element obtains the position information of the relay user equipment and the access network type; accordingly, determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element includes:
and under the condition that the access network type is a non-third generation partnership project access type, determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment.
In one embodiment, determining a network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element according to the location information of the relay user equipment includes:
acquiring a network protocol address of the relay user equipment according to the position information of the relay user equipment;
if the network protocol address of the relay user equipment exists in the network protocol address pool, determining that the network access mode is a proximity service access mode;
if the network protocol address of the relay user equipment does not exist in the network protocol address pool, the network access mode is determined to be a non-adjacent service access mode.
In one embodiment, acquiring the network protocol address of the relay user equipment according to the location information of the relay user equipment includes:
acquiring a network protocol address associated with the position information of the relay user equipment according to a preset position address association relation, and taking the network protocol address as the network protocol address of the relay user equipment; the location address association relationship includes correspondence between location information of a plurality of different relay user equipments and associated network protocol addresses.
In a third aspect, an embodiment of the present application provides a method for determining a network access manner, where the method is applied to a remote user equipment, and the method includes:
sending a service control message to a non-third generation partnership project interworking function network element, instructing the non-third generation partnership project interworking function network element to send the service control message to an access and mobility management function network element, acquiring the position information of the relay user equipment after the access and mobility management function network element receives the service control message, and determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information;
the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element.
In one embodiment, determining, based on the location information, that a network access manner in which the remote user equipment accesses the non-third generation partnership project interworking function network element is determined for the access and mobility management function network element; or determining, based on the location information, that the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element is determined for the access and mobility management function network element to instruct the session management function network element.
In one embodiment, before sending the service control message to the non-third generation partnership project interworking function network element, the method further comprises:
sending a communication connection establishment request to the relay user equipment; the communication connection establishment request is used for indicating establishment of communication connection with the relay user equipment;
under the condition that the communication connection between the relay user equipment and the relay user equipment is successfully established, establishing a communication tunnel between the network elements with the non-third generation partnership project interworking function;
the control information is sent to the non-third generation partnership project interworking function network element through the relay user equipment via the communication tunnel.
In one embodiment, the method further comprises:
sending a communication system registration request to a core network; the communication system registration request is used for indicating the core network to authorize the proximity service function of the remote user equipment;
Receiving first relay service information sent by a core network under the condition that the adjacent service function authorization of the remote user equipment is successful;
and performing relay discovery processing based on the first relay service information to determine the relay user equipment.
In one embodiment, performing a relay discovery process based on the first relay service information to determine a relay user equipment includes:
acquiring second relay service information of a plurality of candidate relay user equipment; the candidate relay user equipment represents candidate relay user equipment of which the core network has successfully authorized the proximity service function;
and determining candidate relay user equipment corresponding to the second relay service information matched with the first relay service information as relay user equipment.
In one embodiment, the method further comprises:
responding to a service information updating instruction sent by a core network, and updating the first relay service information to obtain third relay service information;
and performing relay discovery processing according to the third relay service information.
In a fourth aspect, an embodiment of the present application provides a network access mode determining apparatus, where the apparatus includes:
the position information acquisition module is used for acquiring the position information of the relay user equipment according to the service control message sent by the non-third generation partnership project interworking function network element; the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element;
And the access mode determining module is used for determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information.
In a fifth aspect, an embodiment of the present application provides a network access mode determining apparatus, where the apparatus includes:
an access mode determining module, configured to determine a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element; the network access mode is determined based on the position information of the relay user equipment, the relay user equipment is used for realizing the communication between the remote user equipment and the network element with the non-third generation partnership project interworking function, and the position information is acquired by the network element with the access and mobility management function according to the service control information sent by the network element with the non-third generation partnership project interworking function.
In a sixth aspect, an embodiment of the present application provides a network access mode determining apparatus, where the apparatus includes:
the message sending module is used for sending a service control message to the non-third generation partnership project interworking function network element, instructing the non-third generation partnership project interworking function network element to send the service control message to the access and mobility management function network element, acquiring the position information of the relay user equipment after the access and mobility management function network element receives the service control message, and determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information; the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element.
In a seventh aspect, embodiments of the present application further provide a communication device, the communication device comprising a transceiver, a memory, and a processor, the memory storing a computer program, the processor implementing the steps of the method of any one of the embodiments of the first, second and third aspects described above when the computer program is executed.
In an eighth aspect, embodiments of the present application further provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method of any of the above-described first, second and third aspects.
In a ninth aspect, embodiments of the present application also provide a computer program product comprising a computer program which, when executed by a processor, implements the steps of the method of any of the above-described first, second and third aspects.
The method, the device, the equipment, the medium and the product for determining the network access mode provided by the embodiment of the application comprise the following steps: and acquiring the position information of the relay user equipment according to the service control message sent by the non-third generation partnership project interworking function network element, and determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information, wherein the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element. The method can successfully determine the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element through the acquired position information of the relay user equipment; further, on the basis of determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element, the core network can be triggered to successfully distinguish and manage different network flows, so that the wide usability of the network access mode determination method can be improved.
Drawings
FIG. 1 is an application environment diagram of a method for determining a network access mode in one embodiment;
fig. 2 is a flow chart of a method for determining a network access mode in an embodiment;
fig. 3 is a flow chart of a method for determining a network access mode in another embodiment;
fig. 4 is a flow chart of a method for determining a network access mode in another embodiment;
fig. 5 is a flow chart of a method for determining a network access mode in another embodiment;
fig. 6 is a flowchart of a method for determining a network access mode in another embodiment;
fig. 7 is a flowchart of a method for determining a network access mode in another embodiment;
fig. 8 is a flowchart of a method for determining a network access mode in another embodiment;
fig. 9 is a flowchart of a method for determining a network access mode in another embodiment;
fig. 10 is a flowchart of a method for determining a network access mode according to another embodiment;
fig. 11 is a flowchart of a method for determining a network access mode in another embodiment;
fig. 12 is a flowchart of a method for determining a network access mode according to another embodiment;
fig. 13 is a flowchart of a method for determining a network access mode according to another embodiment;
Fig. 14 is a flowchart of a method for determining a network access mode according to another embodiment;
fig. 15 is a block diagram of a network access mode determining apparatus in one embodiment;
fig. 16 is an internal structural diagram of a communication device in one embodiment.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The method for determining the network access mode provided by the embodiment of the application can be applied to a network access mode determining system shown in fig. 1, wherein the network access mode determining system comprises a core network, a remote user equipment (namely, remote User Equipment (UE)) and a plurality of relay user equipment (namely, relay User Equipment (UE)), and only 1 relay UE is shown in fig. 1. Alternatively, the core network may be a 2G, 3G, 4G, or other core network, and in the embodiment of the present application, the core network may be a 5G core network, i.e. 5GC. The core network may include unified data management function (Unified Data Management, UDM) network elements, access and mobility management function (Access and Mobility Management Function, AMF) network elements, unified data warehouse function (Unified Data Repository, UDR) network elements, policy control function (Policy Control Function, PCF) network elements, session management function (Session Management Function, SMF) network elements, non-third generation partnership project interworking function (Non-3GPP InterWorking Function,N3IWF) network elements, user plane function (User plane function, UPF) network elements, and the like. Wherein, the access and mobile management function network element and the session management function network element in the core network can indirectly communicate with the remote user equipment. Here, the above 3GPP represents the third generation partnership project.
In the embodiment of the present application, the remote ue communicates with the non-third generation partnership project interworking function network element through the relay ue, so fig. 1 illustrates the non-third generation partnership project interworking function network element outside the 5G core network. Meanwhile, the user plane functional network element in the core network may communicate with the data network, so the user plane functional network element in fig. 1 is also illustrated outside the 5G core network. In addition, in the overall Network architecture, the object connected to the core Network may further include a radio access Network (NG-RAN) node and a Data Network (Data Network), where the general user equipment may communicate with a user plane function Network element in the core Network through the NG-RAN node.
The solid lines in fig. 1 represent communication connection lines, and PCs 5, uu, N3, N4, and N6 each represent a communication interface between communication objects at both ends of the solid lines. PLMN A and PLMN B in FIG. 1 represent different public land mobile networks (PublicL and Mobile Network, PLMN), respectively, the non-third generation partnership project interworking function network element in FIG. 1 communicates with the left frame structure of the user plane function network element through PLMN B, and the non-third generation partnership project interworking function network element communicates with the right frame structure of the user plane function network element through PLMN A.
Alternatively, the remote user equipment and the relay user equipment may be, but not limited to, various personal computers, notebook computers, smart phones and tablet computers, and the specific forms of the remote user equipment and the relay user equipment are not limited in this embodiment. In the following embodiments, a specific process of the network access mode determining method will be specifically described, and a specific process of the network access mode determining method will be described with an execution subject being an access and mobility management function network element, a session management function network element, or a remote user equipment.
As shown in fig. 2, a flow chart of a network access mode determining method according to an embodiment of the present application is applied to an access and mobility management function network element, and the method may include the following steps:
s101, acquiring the position information of the relay user equipment according to the service control message sent by the non-third generation partnership project interworking function network element. The relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element.
Here, the relay ue may be any candidate relay ue selected by the remote ue from the plurality of candidate relay ue ues. Alternatively, the candidate relay ue may be a layer 2 ue to core network function relay ue, a layer 3 ue to core network function relay ue supporting access of a non-third generation partnership project interworking function, or a layer 3 ue to core network function relay ue not supporting access of a non-third generation partnership project interworking function, etc., in the embodiment of the present application, in order to enable the above method to be applicable not only to a 2G, 3G, 4G or 5G scenario, that is, to improve the wide applicability of the network access mode determining method, the relay ue may be a layer 3 ue to core network function relay ue supporting access of a non-third generation partnership project interworking function 5G.
In one embodiment, the relay user equipment is any one candidate relay user equipment determined from a plurality of candidate relay user equipment in the case that a Proximity-based Services (ProSe) function authorization is successful by the remote user equipment; each candidate relay user equipment represents a candidate relay user equipment in the core network that has successfully authorized a proximity service function.
In practical application, the remote ue may send a communication system registration request to the core network, so as to instruct the access and mobility management function network element, the policy control function network element, the session management function network element, and the unified data management function network element in the core network to execute together, register the communication system of the remote ue according to the communication system registration information carried in the communication system registration request, that is, authorize the proximity service function of the remote ue, and after the authorization is successful, the core network may send the first relay service information to the remote ue. Alternatively, the communication system may be a 2G system, a 3G system, a 4G system, or the like, and in the embodiment of the present application, the communication system may be a 5G system.
And, each candidate relay user equipment may also send a communication system registration request to the core network, so as to instruct the access and mobility management function network element, the policy control function network element, the session management function network element, the unified data management function network element, and the like in the core network to execute together, register the communication system of each candidate relay user equipment according to the communication system registration information carried in the communication system registration request, that is, authorize the neighboring service function of each candidate relay user equipment, and after the authorization is successful, the core network may send the second relay service information to each candidate relay user equipment.
Further, the remote ue may acquire second relay service information of each candidate relay ue from each candidate relay ue or the core network, and then determine a candidate relay ue corresponding to the second relay service information matched with the first relay service information as the relay ue.
In practical application, after the remote user equipment communicates with the non-third generation partnership project interworking function network element in the core network through the relay user equipment, the service control message can be sent to the non-third generation partnership project interworking function network element through the relay user equipment, and after the non-third generation partnership project interworking function network element receives the service control message, the service control message is sent to the access and mobile management function network element in the core network.
Correspondingly, the access and mobility management function network element may receive the service control message sent by the non-third generation partnership project interworking function network element, and after receiving the service control message, may obtain the location information of the relay user equipment according to the relay user equipment adopted when sending the service control message.
Wherein, the service control message can be understood as a message that the network element of the non-third generation partnership project interworking function controls other network elements in the core network to execute service processing; the traffic control message may include data information, control signaling, and the like.
The service control message may be an uplink Non-Access Stratum (NAS) message, or the like, and may also be N2 port, N3 port, or N4 port signaling, or the like.
In the embodiment of the application, the access and mobile management function network element can further acquire the position information of the relay user equipment according to the service control message sent by the non-third generation partnership project interworking function network element. Alternatively, the location information of the relay user equipment may be represented as a plane location coordinate or a space location coordinate of the relay user equipment, and may also be represented as longitude and latitude coordinates of the relay user equipment, which may, of course, be represented in other forms.
In an embodiment, the manner of acquiring the location information of the relay ue may be that the non-third generation partnership project interworking function network element actively transmits the service control message to the access and mobility management function network element.
In still another embodiment, the manner of acquiring the location information of the relay ue may be that the access and mobility management function network element sends a location information acquisition request to the non-third generation partnership project interworking function network element, and correspondingly, after the non-third generation partnership project interworking function network element responds to the location information acquisition request, the location information of the relay ue is sent to the access and mobility management function network element.
It should be noted that, the non-third generation partnership project interworking function network element may search for the candidate relay user equipment identifier corresponding to the relay user equipment identifier adopted when sending the service control message in the correspondence between the different candidate relay user equipment identifiers and the different candidate relay user equipment location information, and then determine the candidate relay user equipment location information corresponding to the found candidate relay user equipment identifier as the location information of the relay user equipment.
In one embodiment, the service control message is sent by the remote user equipment to the non-third generation partnership project interworking function network element through the relay user equipment by the communication tunnel after the communication tunnel is established for the remote user equipment and the non-third generation partnership project interworking function network element.
In an embodiment of the present application, the communication tunnel may be a signaling internet protocol security (Internet Protocol Security, IPsec) tunnel. The remote user equipment sends the service control message to the non-third generation partnership project interworking function network element through the relay user equipment by the communication tunnel, which can be understood that the remote user equipment directly sends the service control message to the non-third generation partnership project interworking function network element through the communication tunnel, the relay user equipment does not receive the service control message, but the communication signal in the process of sending the service control message can pass through the relay user equipment.
S102, determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information.
The network access mode can be understood as a network communication mode of the remote user equipment and a network element with a non-third generation partnership project interworking function. Alternatively, the network access mode may be a general packet radio access mode, a wideband code division multiple access radio access mode, a wireless local area network access mode, a code division multiple access mode, or a proximity service access mode.
Specifically, according to the location information of the relay user equipment, the method for determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element may be that the access and mobility management function network element directly processes the location information of the relay user equipment to obtain the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element.
In practical application, the method for determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment may also be that the access and mobility management function network element sends the position information of the relay user equipment to the session management function network element in the core network, and then the session management function network element processes the position information of the relay user equipment to obtain the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element.
In one implementation manner, the method for processing the position information of the relay user equipment to obtain the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element may be that the distance between the relay user equipment and the remote user equipment and the distance between the relay user equipment and the non-third generation partnership project interworking function network element are calculated by adopting a distance method according to the position information of the relay user equipment, the position information of the remote user equipment and the position information of the non-third generation partnership project interworking function network element, and then the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element is determined according to the distance between the relay user equipment and the remote user equipment and the distance between the relay user equipment and the non-third generation partnership project interworking function network element.
In another implementation manner, the method for processing the position information of the relay user equipment to obtain the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element may also be that the network access mode corresponding to the network access area identifier is searched for from the corresponding relationship between the different network access area identifiers and the position information of the different relay user equipment, and the network access mode corresponding to the network access area identifier is determined as the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element.
Alternatively, the network access area identity may be understood as an identity of a service area where a non-third generation partnership project interworking function network element may access a different network.
In the embodiment of the application, after the network access mode of the remote user equipment is determined to be the adjacent service access mode, the session management function network element can be further triggered to successfully distinguish and manage different network flows generated in other information sending processes, so that the problem that different flow distinguishing and management cannot be realized in the traditional technology is solved, and the core network can conveniently conduct differentiated charging on different flows and conduct service management and strategy control on the remote user equipment on the basis of being capable of realizing distinguishing and management on different flows.
Wherein, the sending of the other information refers to the process that the remote user equipment sends the other information to the non-third generation partnership project interworking function network element; other information may also be data information, control signaling, etc.
It should be noted that, the subsequent management of different network flows generated in the other information sending process may be understood as a process of distinguishing and managing the adjacent service flow and the normal flow used in the other information sending process when the remote user equipment accesses the non-third generation partnership project interworking function network element through the relay user equipment.
When ProSe is used to represent the proximity service, the proximity service traffic may include ProSe traffic used by the remote user equipment to send other information to the non-third generation partnership project interworking function network element, and ProSe traffic contributed by the remote user equipment to relay user equipment in the process of sending other information to the non-third generation partnership project interworking function network element; the normal traffic may include traffic used by the remote user equipment to access the non-third generation partnership project interworking function network element via the non-ProSe during the transmission of other information by the remote user equipment to the non-third generation partnership project interworking function network element.
In practical application, if the access and mobility management function network element determines that the network access mode is the proximity service access mode, the access and mobility management function network element can trigger the session management function network element to manage different network flows generated in other information sending processes subsequently; if the session management function network element determines that the network access mode is the adjacent service access mode, the session management function network element can automatically trigger the subsequent management of different network flows generated in other information sending processes.
In addition, the network traffic management may include performing fine-grained statistics, analysis and/or storage on different types of network traffic, where differentiated charging of different traffic by the core network may be further facilitated according to different network traffic statistics results, and service management and policy control of the remote user equipment by the core network may be performed by the core network.
According to the technical scheme in the embodiment of the application, the position information of the relay user equipment is acquired according to the service control message sent by the non-third generation partnership project interworking function network element, and the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element is determined based on the position information, wherein the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element. The method can successfully determine the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element through the acquired position information of the relay user equipment; further, on the basis of determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element, the core network can be triggered to successfully distinguish and manage different network flows, so that the wide usability of the network access mode determination method can be improved.
The procedure for determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the location information is described below. In an embodiment, as shown in fig. 3, the step in S102 may be implemented by:
s112, obtaining the access network type of the relay user equipment.
In practical application, after receiving the service control message, the non-third generation partnership project interworking function network element can acquire the access network type of the relay user equipment. Further, the access network type of the relay user equipment may be actively sent to the access and mobility management function network element.
In addition, the access and mobility management function network element may send an access network type acquisition request to a non-third generation partnership project interworking function network element, where the non-third generation partnership project interworking function network element sends the access network type of the relay user equipment to the access and mobility management function network element after responding to the access network type acquisition request.
Naturally, the access and mobility management function network element may receive the access network type of the relay user equipment transmitted by the non-third generation partnership project interworking function network element.
And S122, determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
Alternatively, the access network types may include a third generation partnership project access type, a non-third generation partnership project access type, and the like, which are not limiting on the embodiments of the present application. In the embodiment of the application, in order to reduce the data processing amount in the network access mode determining process and improve the determining speed of the network access mode, whether the access network type is a non-third generation partnership project access type can be initially judged.
Specifically, after the access network type of the relay user equipment is acquired, the access and mobility management function network element can preliminarily judge whether the access network type is a non-third generation partnership project access type, and further process the position information of the relay user equipment under the condition that the access network type is determined to be the non-third generation partnership project access type, so as to obtain a network access mode corresponding to the access network type, namely, a network access mode of the remote user equipment accessing the non-third generation partnership project interworking function network element.
Further, in practical applications, the flow management operation is performed by a session management function network element in the core network, and a procedure of how to trigger the session management function network element to perform the flow management operation is described below. In an embodiment, after the step of acquiring the network access manner by the access and mobility management function network element, the method may further include: and sending a flow management request to the session management function network element to instruct the session management function network element to manage the network flow when the network access mode is the proximity service access mode.
Alternatively, the traffic management request may include information about the network access mode being a proximity service access mode.
In the embodiment of the application, if the network access mode is determined to be the proximity service access mode by the access and mobile management function network element, at the moment, after the session management function network element responds to the flow management request, different network flows generated in other information sending processes can be successfully distinguished and managed subsequently.
It should be noted that, in order to reduce the data processing amount in the network access mode determining process, increase the determining speed of the network access mode, before executing the step of determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the location information of the relay user equipment, the access and mobility management function network element may determine whether the remote user equipment is located in the user equipment communication range provided by the relay user equipment according to the identification of the remote user equipment, if so, execute the step of determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the location information of the relay user equipment.
When the remote user equipment is out of the communication range of the user equipment provided by the relay user equipment, the remote user equipment and the relay user equipment cannot communicate, and at the moment, the determined network access mode is inaccurate.
According to the technical scheme, the access network type of the relay user equipment is obtained, and a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element is determined according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type; under the condition that the access network type of the relay user equipment is a non-third generation partnership project access type, the method can determine a network access mode corresponding to the non-third generation partnership project access type according to the position information of the relay user equipment, and can improve the wide usability of the network access mode determination method according to the determined network access mode.
The above-mentioned process of determining the network access mode of the remote ue to the non-third generation partnership project interworking function network element according to the location information of the relay ue is described below. In an embodiment, as shown in fig. 4, the step of determining, in S122, a network access manner of the remote ue to the non-third generation partnership project interworking function network element according to the location information of the relay ue may be implemented by:
S1221, according to the position information of the relay user equipment, acquiring the network protocol address of the relay user equipment.
Wherein the network protocol address of the relay user equipment may represent an IP address of the relay user equipment.
Specifically, the access and mobility management function network element may directly process the location information of the relay ue to obtain the network protocol address of the relay ue.
In an embodiment, the method for processing the location information of the relay ue to obtain the network protocol address of the relay ue may be to train an algorithm model in advance, then input the location information of the relay ue into the algorithm model, and output the network protocol address of the relay ue by the algorithm model.
In still another embodiment, the method of processing the location information of the relay ue to obtain the network protocol address of the relay ue may also be converting the location information of the relay ue to obtain the network protocol address of the relay ue.
In one embodiment, the step in S1221 may include: and acquiring a network protocol address associated with the position information of the relay user equipment according to the preset position address association relation, and taking the network protocol address as the network protocol address of the relay user equipment. The location address association relationship comprises correspondence between location information of a plurality of different relay user devices and associated network protocol addresses.
In the embodiment of the present application, the location address association relationship may include correspondence between location information of a plurality of different relay user equipments and associated network protocol addresses.
Specifically, a network protocol address associated with the location information of the relay user equipment may be searched in the location address association relationship, and the found network protocol address is determined as the network protocol address of the relay user equipment.
S1222, if there is a network protocol address of the relay user equipment in the network protocol address pool, determining that the network access mode is a proximity service access mode; or if the network protocol address of the relay user equipment does not exist in the network protocol address pool, determining that the network access mode is a non-adjacent service access mode.
Alternatively, the network protocol address pool may be pre-configured, and the network protocol address pool may include network protocol addresses of different candidate relay user devices that access the non-third generation partnership project interworking function network element through the proximity service.
Further, based on the acquired network protocol address of the relay user equipment, whether the network protocol address of the relay user equipment exists in the network protocol address pool can be judged, if so, the access network type is determined to be adjacent service access, namely, the network access mode is the adjacent service access mode.
When the network protocol address of the relay user equipment does not exist in the network protocol address pool, the access network type is determined to be a non-adjacent service access mode, namely the network access mode is determined to be a non-adjacent service access mode.
According to the technical scheme in the embodiment of the application, the network protocol address of the relay user equipment is obtained according to the position information of the relay user equipment, if the network protocol address of the relay user equipment exists in the network protocol address pool, the network access mode is determined to be a proximity service access mode, and if the network protocol address of the relay user equipment does not exist in the network protocol address pool, the network access mode is determined to be a non-proximity service access mode; the method can determine whether the network access mode is a proximity service access mode or not through the position information of the relay user equipment so as to prepare for further successfully triggering the flow management operation, thereby improving the feasibility of the flow management.
In some scenarios, the process of determining the network access mode is performed by a session management function network element in the core network, and a description is given below of how the access and mobility management function network element controls the process of determining the network access mode by the session management function network element. In an embodiment, as shown in fig. 5, the step of obtaining, based on the location information, the network access manner of the remote ue to the non-third generation partnership project interworking function network element in S102 may include:
S132, obtaining the access network type of the relay user equipment.
The method for acquiring the access network type of the relay ue in step S132 is the same as the method for acquiring the access network type of the relay ue in step S112, which is not described in detail in this embodiment of the present application.
S142, sending the position information and the access network type to the session management function network element, and indicating the session management function network element to determine the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
In practical application, after the access and mobility management function network element obtains the location information and the access network type of the relay user equipment, the location information and the access network type may both be sent to the session management function network element.
Correspondingly, after receiving the location information and the access network type, the session management function network element can preliminarily judge whether the access network type is a non-third generation partnership project access type, and further process the location information of the relay user equipment under the condition that the access network type is determined to be the non-third generation partnership project access type, so as to obtain a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element.
According to the technical scheme, the access network type of the relay user equipment is obtained, position information and the access network type are sent to a session management function network element, the session management function network element is indicated to determine a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type; in the case that the access network type of the relay user equipment is a non-third generation partnership project access type, the method can determine a network access mode corresponding to the non-third generation partnership project access type according to the position information of the relay user equipment, and further successfully trigger the flow management operation to prepare.
In an embodiment, the embodiment of the present application further provides a method for determining a network access mode, which is applied to a network element with access and mobility management functions, where the method includes the following procedures:
s10, acquiring the position information of the relay user equipment according to a service control message sent by a non-third generation partnership project interworking function network element; the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element; after the service control message establishes a communication tunnel for the remote user equipment and the non-third generation partnership project interworking function network element, the remote user equipment sends the communication tunnel to the non-third generation partnership project interworking function network element through the relay user equipment; the relay user equipment is any one candidate relay user equipment determined from a plurality of candidate relay user equipment under the condition that the remote user equipment is successful in the authorization of the adjacent service function; each candidate relay user equipment represents a candidate relay user equipment in the core network that has successfully authorized a proximity service function.
S11, determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information.
The implementation manner of the step S11 may include two types:
the first way may include:
s11a, acquiring an access network type of relay user equipment;
s11b, under the condition that the access network type is a non-third generation partnership project access type, acquiring a network protocol address associated with the position information of the relay user equipment according to a preset position address association relationship, and taking the network protocol address as the network protocol address of the relay user equipment; the location address association relationship comprises the correspondence relationship between the location information of a plurality of different relay user devices and the associated network protocol addresses;
s11c, if the network protocol address of the relay user equipment exists in the network protocol address pool, determining that the network access mode is a proximity service access mode;
and S11d, if the network protocol address of the relay user equipment does not exist in the network protocol address pool, determining that the network access mode is a non-adjacent service access mode.
The second way may include:
s11e, obtaining the access network type of the relay user equipment;
And S11f, sending the position information and the access network type to the session management function network element, and indicating the session management function network element to determine the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
The above execution process of S10 to S11 may be specifically referred to the description of the above embodiment, and its implementation principle and technical effects are similar, and will not be described herein again.
The flow chart of another network access mode determining method provided by the embodiment of the application is applied to a session management function network element, and the method can comprise the following steps: determining a network access mode of the remote user equipment to a non-third generation partnership project interworking function network element; the network access mode is determined based on the position information of the relay user equipment, the relay user equipment is used for realizing the communication between the remote user equipment and the network element with the non-third generation partnership project interworking function, and the position information is acquired by the network element with the access and mobility management function according to the service control information sent by the network element with the non-third generation partnership project interworking function.
The network access mode can be understood as a network communication mode of the remote user equipment and a network element with a non-third generation partnership project interworking function. Alternatively, the network access mode may be a general packet radio access mode, a wideband code division multiple access radio access mode, a wireless local area network access mode, a code division multiple access mode, or a proximity service access mode.
In practical application, the session management function network element can acquire a network access mode of accessing the remote user equipment transmitted by the mobile management function network element to the non-third generation partnership project interworking function network element; in addition, the session management function network element can also receive the position information of the relay user equipment sent by the access and mobile management function network element, and then determine the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment.
In one implementation manner, the method for determining the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element according to the position information of the relay user equipment may be to calculate the distance between the relay user equipment and the remote user equipment and the distance between the relay user equipment and the non-third generation partnership project interworking function network element by adopting a distance method according to the position information of the relay user equipment, the position information of the remote user equipment and the position information of the non-third generation partnership project interworking function network element, and then determine the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element according to the distance between the relay user equipment and the remote user equipment and the distance between the relay user equipment and the non-third generation partnership project interworking function network element.
In another implementation manner, the method for determining the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element according to the position information of the relay user equipment may further be that the network access area identifier corresponding to the position information of the relay user equipment matched with the position information of the relay user equipment is searched from the corresponding relationship between the different network access area identifiers and the position information of the different relay user equipment, and the network access mode corresponding to the network access area identifier is determined as the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element.
Alternatively, the network access area identity may be understood as an identity of a service area where a non-third generation partnership project interworking function network element may access a different network.
In the embodiment of the application, after the session management function network element determines that the network access mode of the remote user equipment is the adjacent service access mode, the operation of successfully distinguishing and managing different network flows generated in other information sending processes can be further triggered and executed, so that the problem that the traditional technology cannot realize different flow distinguishing and management is solved, and the core network can conveniently conduct different charging on different flows and conduct service management and policy control on the remote user equipment on the basis of being capable of realizing different flow distinguishing and management.
Wherein, the sending of the other information refers to the process that the remote user equipment sends the other information to the non-third generation partnership project interworking function network element; other information may also be data information, control signaling, etc.
It should be noted that, the subsequent management of different network flows generated in the other information sending process may be understood as a process of distinguishing and managing the adjacent service flow and the normal flow used in the other information sending process when the remote user equipment accesses the non-third generation partnership project interworking function network element through the relay user equipment.
When ProSe is used to represent the proximity service, the proximity service traffic may include ProSe traffic used by the remote user equipment to send other information to the non-third generation partnership project interworking function network element, and ProSe traffic contributed by the remote user equipment to relay user equipment in the process of sending other information to the non-third generation partnership project interworking function network element; the normal traffic may include traffic used by the remote user equipment to access the non-third generation partnership project interworking function network element via the non-ProSe during the transmission of other information by the remote user equipment to the non-third generation partnership project interworking function network element.
In addition, the network traffic management may include performing fine-grained statistics, analysis and/or storage on different types of network traffic, where differentiated charging of different traffic by the core network may be further facilitated according to different network traffic statistics results, and service management and policy control of the remote user equipment by the core network may be performed by the core network.
The technical proposal of the embodiment of the application can successfully determine the network access mode of the remote user equipment to the network element with the non-third generation partnership project interworking function; further, on the basis of determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element, the core network can be triggered to successfully distinguish and manage different network flows, so that the wide usability of the network access mode determination method can be improved.
In some scenarios, the network access mode is determined after the access and mobility management function network element obtains the location information of the relay user equipment and the access network type, and a procedure of how the session management function network element determines the network access mode is described below. In an embodiment, the step of determining a network access manner of the remote ue to the non-third generation partnership project interworking function network element may include: and under the condition that the access network type is a non-third generation partnership project access type, determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment.
Alternatively, the access network types may include a third generation partnership project access type, a non-third generation partnership project access type, and the like, which are not limiting on the embodiments of the present application. In order to reduce the data processing amount in the network access mode determining process and improve the determining speed of the network access mode, whether the access network type is a non-third generation partnership project access type can be initially determined.
After receiving the location information of the relay user equipment and the access network type sent by the access and mobility management function network element, the session management function network element can primarily determine whether the access network type is a non-third generation partnership project access type, and further determine a network access mode corresponding to the access network type according to the location information of the relay user equipment under the condition that the access network type is determined to be the non-third generation partnership project access type, namely, a network access mode of the remote user equipment accessing the non-third generation partnership project interworking function network element.
According to the technical scheme, under the condition that the access network type is a non-third generation partnership project access type, a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element is determined according to the position information of the relay user equipment; under the condition that the access network type of the relay user equipment is a non-third generation partnership project access type, the method can determine a network access mode corresponding to the non-third generation partnership project access type according to the position information of the relay user equipment, and on the basis of determining the network access mode of the remote user equipment accessing the non-third generation partnership project interworking function network element, the core network can be triggered to successfully distinguish and manage different network flows, so that the wide usability of the network access mode determination method can be improved.
The above-mentioned process of determining the network access mode of the remote ue to the non-third generation partnership project interworking function network element according to the location information of the relay ue is described below. In an embodiment, as shown in fig. 6, the above-mentioned step of determining, according to the location information of the relay ue, a network access manner of the remote ue to the non-third generation partnership project interworking function network element may be implemented by:
s201, according to the position information of the relay user equipment, the network protocol address of the relay user equipment is obtained.
Wherein the network protocol address of the relay user equipment may represent an IP address of the relay user equipment.
Specifically, the session management function network element may process the location information of the relay user equipment to obtain the network protocol address of the relay user equipment.
In an embodiment, the method for processing the location information of the relay ue to obtain the network protocol address of the relay ue may be to train an algorithm model in advance, then input the location information of the relay ue into the algorithm model, and output the network protocol address of the relay ue by the algorithm model.
In still another embodiment, the method of processing the location information of the relay ue to obtain the network protocol address of the relay ue may also be converting the location information of the relay ue to obtain the network protocol address of the relay ue.
In one embodiment, the step in S201 may include: and acquiring a network protocol address associated with the position information of the relay user equipment according to the preset position address association relation, and taking the network protocol address as the network protocol address of the relay user equipment. The location address association relationship comprises correspondence between location information of a plurality of different relay user devices and associated network protocol addresses.
In the embodiment of the present application, the location address association relationship may include correspondence between location information of a plurality of different relay user equipments and associated network protocol addresses.
Specifically, a network protocol address associated with the location information of the relay user equipment may be searched in the location address association relationship, and the found network protocol address is determined as the network protocol address of the relay user equipment.
S202, if the network protocol address of the relay user equipment exists in the network protocol address pool, determining that the network access mode is a proximity service access mode; or if the network protocol address of the relay user equipment does not exist in the network protocol address pool, determining that the network access mode is a non-adjacent service access mode.
Alternatively, the network protocol address pool may be pre-configured, and the network protocol address pool may include network protocol addresses of different candidate relay user devices that access the non-third generation partnership project interworking function network element through the proximity service.
Further, based on the acquired network protocol address of the relay user equipment, whether the network protocol address of the relay user equipment exists in the network protocol address pool can be judged, if so, the access network type is determined to be adjacent service access, namely, the network access mode is the adjacent service access mode.
When the network protocol address of the relay user equipment does not exist in the network protocol address pool, the access network type is determined to be a non-adjacent service access mode, namely the network access mode is determined to be a non-adjacent service access mode.
According to the technical scheme in the embodiment of the application, the network protocol address of the relay user equipment is obtained according to the position information of the relay user equipment, if the network protocol address of the relay user equipment exists in the network protocol address pool, the network access mode is determined to be a proximity service access mode, and if the network protocol address of the relay user equipment does not exist in the network protocol address pool, the network access mode is determined to be a non-proximity service access mode; the method can determine whether the network access mode is a proximity service access mode or not through the position information of the relay user equipment so as to prepare for further successfully triggering the flow management operation, thereby improving the feasibility of the flow management.
In an embodiment, the embodiment of the present application further provides a method for determining a network access manner, which is applied to a session management function network element, as shown in fig. 7, and the method includes the following steps:
s20, receiving the access network type and the position information of the relay user equipment sent by the access and mobility management function network element.
S21, under the condition that the access network type is a non-third generation partnership project access type, acquiring a network protocol address associated with the position information of the relay user equipment according to a preset position address association relationship, and taking the network protocol address as the network protocol address of the relay user equipment; the location address association relationship includes correspondence between location information of a plurality of different relay user equipments and associated network protocol addresses.
S22, if the network protocol address of the relay user equipment exists in the network protocol address pool, determining that the network access mode is a proximity service access mode; or if the network protocol address of the relay user equipment does not exist in the network protocol address pool, determining that the network access mode is a non-adjacent service access mode.
The above execution process of S20 to S22 may be specifically referred to the description of the above embodiment, and its implementation principle and technical effects are similar, and will not be described herein again.
The network access mode determining method provided by the embodiment of the application is applied to the remote user equipment, and the method can comprise the following steps: sending a service control message to a non-third generation partnership project interworking function network element, instructing the non-third generation partnership project interworking function network element to send the service control message to an access and mobility management function network element, acquiring the position information of the relay user equipment after the access and mobility management function network element receives the service control message, and determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information; the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element.
Wherein, the service control message can be understood as a message that the network element of the non-third generation partnership project interworking function controls other network elements in the core network to execute service processing; in the embodiment of the application, the service control message can be an uplink non-access layer message and the like, and can also be an N2 port, an N3 port or an N4 port signaling and the like.
In practical application, after the remote user equipment communicates with the non-third generation partnership project interworking function network element in the core network through the relay user equipment, the service control message can be directly sent to the non-third generation partnership project interworking function network element through the relay user equipment, and further the non-third generation partnership project interworking function network element can send the service control message to the access and mobile management function network element.
Correspondingly, after receiving the service control message, the access and mobility management function network element can acquire the position information of the relay user equipment, and determine the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information.
Alternatively, the location information of the relay user equipment may be represented as a plane location coordinate or a space location coordinate of the relay user equipment, and may also be represented as longitude and latitude coordinates of the relay user equipment, which may, of course, be represented in other forms.
In an embodiment, the manner of acquiring the location information of the relay ue may be that the non-third generation partnership project interworking function network element actively transmits the service control message to the access and mobility management function network element.
In still another embodiment, the manner of acquiring the location information of the relay ue may be that the access and mobility management function network element sends a location information acquisition request to the non-third generation partnership project interworking function network element, and the non-third generation partnership project interworking function network element sends the location information of the relay ue to the access and mobility management function network element after responding to the location information acquisition request.
It should be noted that, the non-third generation partnership project interworking function network element may search for the candidate relay user equipment identifier corresponding to the relay user equipment identifier adopted when sending the service control message in the correspondence between the different candidate relay user equipment identifiers and the different candidate relay user equipment location information, and then determine the candidate relay user equipment location information corresponding to the found candidate relay user equipment identifier as the location information of the relay user equipment.
The network access mode can be understood as a network communication mode of the remote user equipment and a network element with a non-third generation partnership project interworking function. Alternatively, the network access mode may be a general packet radio access mode, a wideband code division multiple access radio access mode, a wireless local area network access mode, a code division multiple access mode, or a proximity service access mode.
In one embodiment, determining, based on the location information, that a network access manner in which the remote user equipment accesses the non-third generation partnership project interworking function network element is determined for the access and mobility management function network element; or determining, based on the location information, that the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element is determined for the access and mobility management function network element to instruct the session management function network element.
Specifically, according to the location information of the relay user equipment, the method for determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element may be that the access and mobility management function network element directly processes the location information of the relay user equipment to obtain the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element.
In practical application, the method for determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment may also be that the access and mobility management function network element sends the position information of the relay user equipment to the session management function network element in the core network, and then the session management function network element processes the position information of the relay user equipment to obtain the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element.
In one implementation manner, the method for processing the position information of the relay user equipment to obtain the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element may be that the distance between the relay user equipment and the remote user equipment and the distance between the relay user equipment and the non-third generation partnership project interworking function network element are calculated by adopting a distance method according to the position information of the relay user equipment, the position information of the remote user equipment and the position information of the non-third generation partnership project interworking function network element, and then the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element is determined according to the distance between the relay user equipment and the remote user equipment and the distance between the relay user equipment and the non-third generation partnership project interworking function network element.
In another implementation manner, the method for processing the position information of the relay user equipment to obtain the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element may also be that the network access mode corresponding to the network access area identifier is searched for from the corresponding relationship between the different network access area identifiers and the position information of the different relay user equipment, and the network access mode corresponding to the network access area identifier is determined as the network access mode of the remote user equipment to access the non-third generation partnership project interworking function network element.
Alternatively, the network access area identity may be understood as an identity of a service area where a non-third generation partnership project interworking function network element may access a different network.
In the embodiment of the application, after the network access mode of the remote user equipment is determined to be the adjacent service access mode, the session management function network element can be further triggered to successfully distinguish and manage different network flows generated in other information sending processes, so that the problem that different flow distinguishing and management cannot be realized in the traditional technology is solved, and the core network can conveniently conduct differentiated charging on different flows and conduct service management and strategy control on the remote user equipment on the basis of being capable of realizing distinguishing and management on different flows. Wherein, the sending of the other information refers to the process that the remote user equipment sends the other information to the non-third generation partnership project interworking function network element; other information may also be data information, control signaling, etc.
It should be noted that, the subsequent management of different network flows generated in the other information sending process may be understood as a process of distinguishing and managing the adjacent service flow and the normal flow used in the other information sending process when the remote user equipment accesses the non-third generation partnership project interworking function network element through the relay user equipment.
When ProSe is used to represent the proximity service, the proximity service traffic may include ProSe traffic used by the remote user equipment to send other information to the non-third generation partnership project interworking function network element, and ProSe traffic contributed by the remote user equipment to relay user equipment in the process of sending other information to the non-third generation partnership project interworking function network element; the normal traffic may include traffic used by the remote user equipment to access the non-third generation partnership project interworking function network element via the non-ProSe during the transmission of other information by the remote user equipment to the non-third generation partnership project interworking function network element.
In practical application, if the access and mobility management function network element determines that the network access mode is the proximity service access mode, the access and mobility management function network element can trigger the session management function network element to manage different network flows generated in other information sending processes subsequently; if the session management function network element determines that the network access mode is the adjacent service access mode, the session management function network element can automatically trigger the subsequent management of different network flows generated in other information sending processes.
In addition, the network traffic management may include performing fine-grained statistics, analysis and/or storage on different types of network traffic, where differentiated charging of different traffic by the core network may be further facilitated according to different network traffic statistics results, and service management and policy control of the remote user equipment by the core network may be performed by the core network.
According to the technical scheme, a service control message is sent to a non-third generation partnership project interworking function network element, the non-third generation partnership project interworking function network element is instructed to send the service control message to an access and mobility management function network element, the access and mobility management function network element obtains position information of relay user equipment after receiving the service control message, and a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element is determined based on the position information; after the method sends the service control message to the non-third generation partnership project interworking function network element, the access and mobility management function network element can acquire the position information of the relay user equipment sent by the non-third generation partnership project interworking function network element, and can successfully determine the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information; further, on the basis of determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element, the core network can be triggered to successfully distinguish and manage different network flows, so that the wide usability of the network access mode determination method can be improved.
The procedure how the remote user equipment sends service control messages to non-third generation partnership project interworking function network elements is described below. In an embodiment, before sending the service control message to the non-third generation partnership project interworking function network element, as shown in fig. 8, the method may further include:
s300, sending a communication connection establishment request to relay user equipment; the communication connection establishment request is used to indicate establishment of a communication connection with the relay user equipment.
Specifically, the remote user equipment may send a communication connection establishment request to the relay user equipment to instruct the relay user equipment to establish a communication connection with the remote user equipment itself. In the embodiment of the application, the relay user equipment and the remote user equipment can establish communication connection through a PC5 interface.
And S301, under the condition that the communication connection with the relay user equipment is successfully established, establishing a communication tunnel between the network elements with the non-third generation partnership project interworking function.
Under the condition that the communication connection between the remote user equipment and the relay user equipment is successfully established, the network protocol address of the non-third generation partnership project interworking function network element can be acquired, and a (Internet Key Exchange, IKE) key negotiation establishment process is adopted, so that a communication tunnel between the remote user equipment and the non-third generation partnership project interworking function network element is established according to the network protocol address of the remote user equipment and the network protocol address of the non-third generation partnership project interworking function network element. Alternatively, the communication tunnel may be a signaling internet protocol security (Internet Protocol Security, IPsec) tunnel.
It should be noted that, after the communication connection between the remote ue and the relay ue is established successfully, the remote ue can send the service control message to the non-third generation partnership project interworking function network element through the communication tunnel successfully.
S302, the service control message is sent to the non-third generation partnership project interworking function network element through the relay user equipment through the communication tunnel.
Optionally, the remote ue sends the service control message to the non-third generation partnership project interworking function network element through the relay ue by the communication tunnel, which may be understood that the remote ue directly sends the service control message to the non-third generation partnership project interworking function network element through the communication tunnel, and the relay ue does not receive the service control message, but the communication signal in the sending process of the service control message may pass through the relay ue.
According to the technical scheme, a communication connection establishment request is sent to relay user equipment, a communication tunnel between the remote user equipment and a non-third generation partnership project interworking function network element is established under the condition that communication connection establishment between the remote user equipment and the relay user equipment is successful, and service control information is sent to the non-third generation partnership project interworking function network element through the relay user equipment by the communication tunnel; the method can firstly establish communication connection between the remote user equipment and the relay user equipment, then establish a communication tunnel between the remote user equipment and the non-third generation partnership project interworking function network element, and on the basis of successful establishment of the remote user equipment and the relay user equipment, the remote user equipment can successfully send the service control message to the non-third generation partnership project interworking function network element through the communication tunnel, thereby improving the success rate of the non-third generation partnership project interworking function network element for receiving the service control message.
In some scenarios, a network traffic system includes a plurality of candidate relay user devices, and one relay user device from the plurality of candidate relay user devices needs to be selected to enable communication between a remote user device and a non-third generation partnership project interworking function network element, and a procedure for determining the relay user device is described below. In an embodiment, before performing the step in S300, as shown in fig. 9, the method may further include:
s303, sending a communication system registration request to the core network. Wherein the communication system registration request is used to instruct the core network to authorize the proximity service function of the remote user equipment.
It should be noted that, before the remote ue communicates with the non-third generation partnership project interworking function element, the communication system may be registered with the core network, so that the core network authorizes the proximity service function of the remote ue.
In practical application, a user may input a communication system registration request to a remote user equipment to instruct the access and mobility management function network element, the policy control function network element, the session management function network element, the unified data management function network element, and the like in the core network to execute together, and authorize a proximity service function of the remote user equipment according to the communication system registration information of the remote user equipment.
Optionally, the communication system registration request may carry communication system registration information of the remote user equipment.
S304, under the condition that the adjacent service function authorization of the far-end user equipment is successful, the first relay service information sent by the core network is received.
The core network may send the first relay service information of the remote user equipment to the remote user equipment under the condition that the authorization of the proximity service function of the remote user equipment is successful. Optionally, successful authorization of the proximity service function of the remote user equipment refers to the proximity service function of the remote user equipment being turned on.
Correspondingly, the remote user equipment may receive the first relay service information of the remote user equipment sent by the core network.
And S305, performing relay discovery processing based on the first relay service information to determine the relay user equipment.
Specifically, the relay discovery processing based on the first relay service information may be that relay service information matched with the first relay service information is searched in a mapping relationship, an identifier of a candidate relay user equipment corresponding to the matched relay service information is obtained, and the candidate relay user equipment corresponding to the identifier is determined as the relay user equipment. Optionally, the mapping relationship may include different relay service information, identifiers of different candidate relay user equipments, and a correspondence relationship between the two.
In addition, the relay discovery processing may be performed based on the first relay service information by training a relay discovery model in advance, and then inputting the first relay service information into the relay discovery model, where the relay discovery model outputs the identity of the candidate relay user equipment, so as to determine the relay user equipment according to the identity of the candidate relay user equipment.
Alternatively, the relay discovery model may be composed of at least one of a convolutional neural network, a cyclic recursive neural network model, a long-short-term memory network model, a graph neural network model, and the like.
In one embodiment, as shown in fig. 10, the step of performing the relay discovery process based on the first relay service information to determine the relay user equipment in S305 may include:
s315, receiving second relay service information sent by each candidate relay user equipment.
In practical application, for each candidate relay ue, the candidate relay ue may send a communication system registration request of the candidate relay ue to the core network, so as to instruct the core network to authorize a proximity service function of the candidate relay ue according to communication system registration information in the communication system registration request, and send second relay service information to the candidate relay ue after the authorization is successful.
Further, each candidate relay user equipment may receive a relay service information acquisition request sent by the remote user equipment, where the relay service information acquisition request is used to request each candidate relay user equipment to send the received second relay service information to the remote user equipment, and correspondingly, the remote user equipment may receive the second relay service information sent by each candidate relay user equipment. It should be noted that, the second relay service information received by different candidate relay user equipments is different.
The communication system may be a 2G system, a 3G system, a 4G system, or the like, and in the embodiment of the present application, the communication system may be a 5G system.
In addition, after the core network successfully authorizes the adjacent service function of each candidate relay user equipment, the core network can directly send the second relay service information of each candidate relay user equipment to the remote user equipment.
S325, determining candidate relay user equipment corresponding to the second relay service information matched with the first relay service information as relay user equipment.
Specifically, the remote ue may search for second relay service information matched with the first relay service information from all second relay service information based on the received first relay service information and each second relay service information, and determine candidate relay ue corresponding to the second relay service information matched with the first relay service information as the relay ue.
According to the technical scheme, a communication system registration request is sent to a core network, first relay service information sent by the core network is received under the condition that the adjacent service function of remote user equipment is successfully authorized, and relay discovery processing is conducted based on the first relay service information so as to determine relay user equipment; the method can select the relay user equipment which is successfully communicated with the remote user equipment from a plurality of candidate relay user equipment which is successfully authorized to be adjacent to the service function, and further can improve the success rate of the communication between the remote user equipment and the network element with the non-third generation partnership project interworking function through the relay user equipment.
In some scenarios, with a plurality of relay user equipments having remote user equipments accessing non-third generation partnership project interworking function network elements through proximity services, the core network may send service information update instructions to the remote user equipments to instruct the remote user equipments to update the first relay service information to reselect the relay user equipments in communication with the remote user equipments. Based on this, in an embodiment, as shown in fig. 11, the method may further include:
s326, the first relay service information is updated in response to the service information updating instruction sent by the core network, and the third relay service information is obtained.
Alternatively, the core network may actively send a service information update instruction to the remote user equipment to control the remote user equipment to adjust the relay user equipment in communication therewith, i.e. reselect the relay user equipment in communication with the remote user equipment.
Wherein, the service information update instruction may carry third relay service information; in this case, the remote ue may respond to the service information update instruction sent by the core network, and replace the first relay service information with the third relay service information carried in the service information update instruction.
In addition, the service information updating instruction can also carry relay service information updating parameters; in this case, the remote ue may respond to the service information update instruction sent by the core network, and update the first relay service information by using the relay service information update parameter carried in the service information update instruction to obtain the third relay service information.
S327, performing relay discovery processing according to the third relay service information.
Further, a relay discovery process may be performed based on the acquired third relay service information to re-determine the relay user equipment.
According to the technical scheme, the first relay service information is updated in response to a service information updating instruction sent by a core network to obtain third relay service information, and relay discovery processing is carried out according to the third relay service information; according to the method, the relay user equipment can be reselected through the service information updating instruction sent by the core network, so that the relay user equipment which is in communication with the remote user equipment can be flexibly selected according to the actual application requirements, and the flexibility of the relay user equipment selection is improved.
In an embodiment, the embodiment of the present application further provides a method for determining a network access manner, which is applied to a remote user equipment, as shown in fig. 12, and the method includes the following steps:
s30, sending a communication system registration request to a core network; the communication system registration request is used to instruct the core network to authorize proximity service functions of the remote user equipment.
S31, under the condition that the adjacent service function authorization of the remote user equipment is successful, the first relay service information sent by the core network is received.
S32, performing relay discovery processing based on the first relay service information to determine relay user equipment.
The implementation manner of the step S32 may include two types:
the first way may include:
s32a, obtaining second relay service information of a plurality of candidate relay user equipment; the candidate relay user equipment represents candidate relay user equipment of which the core network has successfully authorized the proximity service function;
and S32b, determining candidate relay user equipment corresponding to the second relay service information matched with the first relay service information as relay user equipment.
The second way may include:
s32c, responding to a service information updating instruction sent by the core network, and updating the first relay service information to obtain third relay service information;
And S32d, determining the candidate relay user equipment corresponding to the second relay service information matched with the third relay service information as the relay user equipment.
S33, sending a communication connection establishment request to the relay user equipment; the communication connection establishment request is used to indicate establishment of a communication connection with the relay user equipment.
And S34, under the condition that the communication connection with the relay user equipment is successfully established, establishing a communication tunnel between the network elements with the non-third generation partnership project interworking function.
S35, sending a service control message to a non-third generation partnership project interworking function network element through a relay user equipment through a communication tunnel, indicating the non-third generation partnership project interworking function network element to send the service control message to an access and mobility management function network element, acquiring the position information of the relay user equipment after the access and mobility management function network element receives the service control message, and determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information;
the relay user equipment is used for realizing communication between the remote user equipment and a non-third generation partnership project interworking function network element; determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information, wherein the network access mode is determined for the access and mobility management function network element; or determining, based on the location information, that the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element is determined for the access and mobility management function network element to instruct the session management function network element.
The above execution process of S30 to S35 may be specifically referred to the description of the above embodiment, and its implementation principle and technical effects are similar, and will not be described herein again.
For ease of understanding, the network access mode determination method is described herein by way of an interactive embodiment. In one embodiment, the embodiment of the present application further provides a network access manner determining method, which is applied to a network access manner determining system, where the network access manner determining system includes an access and mobility management function network element, a relay user equipment and a remote user equipment, as shown in fig. 13, and the method includes the following procedures:
s40, the remote user equipment sends a communication system registration request to the core network; the communication system registration request is used to instruct the core network to authorize proximity service functions of the remote user equipment.
S41, under the condition that the adjacent service function authorization of the remote user equipment is successful, the remote user equipment receives the first relay service information sent by the core network.
S43, the remote user equipment performs relay discovery processing based on the first relay service information to determine the relay user equipment.
The implementation manner of the step S43 may include two types:
The first way may include:
s43a, obtaining second relay service information of a plurality of candidate relay user equipment; the candidate relay user equipment represents candidate relay user equipment of which the core network has successfully authorized the proximity service function;
and S43b, determining the candidate relay user equipment corresponding to the second relay service information matched with the first relay service information as the relay user equipment.
The second way may include:
s43c, responding to a service information updating instruction sent by the core network, and updating the first relay service information to obtain third relay service information;
and S43d, determining the candidate relay user equipment corresponding to the second relay service information matched with the third relay service information as the relay user equipment.
S44, the remote user equipment sends a communication connection establishment request to the relay user equipment; the communication connection establishment request is used to indicate establishment of a communication connection with the relay user equipment.
S45, under the condition that the communication connection between the remote user equipment and the relay user equipment is successfully established, a communication tunnel between the network elements with the non-third generation partnership project interworking function is established.
And S46, the remote user equipment sends the service control message to the non-third generation partnership project interworking function network element through the relay user equipment by the communication tunnel so as to instruct the non-third generation partnership project interworking function network element to send the service control message to the access and mobility management function network element.
S47, the access and mobility management function network element acquires the position information of the relay user equipment and the access network type of the relay user equipment according to the service control message sent by the non-third generation partnership project interworking function network element.
S48, under the condition that the access network type is a non-third generation partnership project access type, the access and mobility management function network element acquires a network protocol address associated with the position information of the relay user equipment according to a preset position address association relationship, and the network protocol address is used as the network protocol address of the relay user equipment; the location address association relationship includes correspondence between location information of a plurality of different relay user equipments and associated network protocol addresses.
S49, if the network protocol address of the relay user equipment exists in the network protocol address pool, the access and mobility management function network element determines that the network access mode is a proximity service access mode; or if the network protocol address of the relay user equipment does not exist in the network protocol address pool, the access and mobility management function network element determines that the network access mode is a non-adjacent service access mode.
The above execution process of S40 to S49 may be specifically referred to the description of the above embodiment, and its implementation principle and technical effects are similar, and will not be described herein again.
For ease of understanding, the network access mode determination method is described herein by way of an interactive embodiment. In another embodiment, the embodiment of the present application further provides a network access manner determining method, which is applied to a network access manner determining system, where the network access manner determining system includes an access and mobility management function network element, a session management function network element, a relay user equipment and a remote user equipment, as shown in fig. 14, and the method includes the following procedures:
s60, the remote user equipment sends a communication system registration request to a core network; the communication system registration request is used to instruct the core network to authorize proximity service functions of the remote user equipment.
And S61, under the condition that the adjacent service function authorization of the remote user equipment is successful, the remote user equipment receives the first relay service information sent by the core network.
And S62, the remote user equipment performs relay discovery processing based on the first relay service information so as to determine the relay user equipment.
The implementation manner of the step S62 may include two types:
the first way may include:
s62a, obtaining second relay service information of a plurality of candidate relay user equipment; the candidate relay user equipment represents candidate relay user equipment of which the core network has successfully authorized the proximity service function;
And S62b, determining candidate relay user equipment corresponding to the second relay service information matched with the first relay service information as relay user equipment.
The second way may include:
s62c, responding to a service information updating instruction sent by the core network, and updating the first relay service information to obtain third relay service information;
and S62d, determining candidate relay user equipment corresponding to the second relay service information matched with the third relay service information as relay user equipment.
S63, the remote user equipment sends a communication connection establishment request to the relay user equipment; the communication connection establishment request is used to indicate establishment of a communication connection with the relay user equipment.
S64, under the condition that the communication connection between the remote user equipment and the relay user equipment is successfully established, a communication tunnel between the network elements with the non-third generation partnership project interworking function is established.
S65, the remote user equipment sends service control information to the non-third generation partnership project interworking function network element through the relay user equipment by the communication tunnel.
S66, the access and mobility management function network element receives the service control message, acquires the position information of the relay user equipment and the access network type of the relay user equipment according to the service control message, and sends the position information and the access network type to the session management function network element.
S67, the session management function network element receives the position information and the access network type.
S68, under the condition that the access network type is a non-third generation partnership project access type, the session management function network element acquires a network protocol address associated with the position information of the relay user equipment according to a preset position address association relationship, and the network protocol address is used as the network protocol address of the relay user equipment; the location address association relationship includes correspondence between location information of a plurality of different relay user equipments and associated network protocol addresses.
S69, if the network protocol address of the relay user equipment exists in the network protocol address pool, the session management function network element determines that the network access mode is a proximity service access mode; or if the network protocol address of the relay user equipment does not exist in the network protocol address pool, the session management function network element determines that the network access mode is a non-adjacent service access mode.
The above execution process of S60 to S69 may be specifically referred to the description of the above embodiment, and its implementation principle and technical effects are similar, and will not be described herein again.
It should be understood that, although the steps in the flowcharts related to the above embodiments are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.
Based on the same inventive concept, the embodiment of the application also provides a network access mode determining device for realizing the above-mentioned network access mode determining method. The implementation of the solution provided by the device is similar to the implementation described in the above method, so the specific limitation in the embodiments of the network access mode determining device or devices provided below may refer to the limitation of the network access mode determining method hereinabove, and will not be described herein.
In an embodiment, fig. 15 is a schematic structural diagram of a network access mode determining device according to an embodiment of the present application, where the network access mode determining device provided by the embodiment of the present application may be applied to network elements with access and mobility management functions. As shown in fig. 15, the network access mode determining apparatus according to the embodiment of the present application may include: a location information acquisition module 11 and an access mode determination module 12, wherein:
a location information obtaining module 11, configured to obtain location information of the relay user equipment according to a service control message sent by a non-third generation partnership project interworking function network element; the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element;
An access mode determining module 12, configured to determine, according to the location information, a network access mode of the remote user equipment to access to a network element that is not a third generation partnership project interworking function;
after the service control message is that the remote user equipment establishes a communication tunnel with the non-third generation partnership project interworking function network element, the remote user equipment sends the communication tunnel to the non-third generation partnership project interworking function network element through the relay user equipment; the relay user equipment is any one candidate relay user equipment determined from a plurality of candidate relay user equipment under the condition that the remote user equipment is successful in the authorization of the adjacent service function; each candidate relay user equipment represents a candidate relay user equipment in the core network that has successfully authorized a proximity service function.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the access mode obtaining module 12 includes: a network type acquisition unit and an access mode determination unit, wherein:
A network type obtaining unit, configured to obtain an access network type of the relay user equipment;
and the access mode determining unit is used for determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the access manner determining unit includes: a protocol address acquisition subunit, a first determination subunit, and a second determination subunit, wherein:
a protocol address obtaining subunit, configured to obtain a network protocol address of the relay user equipment according to the location information of the relay user equipment;
a first determining subunit, configured to determine, when a network protocol address of the relay user equipment exists in the network protocol address pool, that the network access mode is a proximity service access mode;
and the second determining subunit is used for determining that the network access mode is a non-adjacent service access mode when the network protocol address of the relay user equipment does not exist in the network protocol address pool.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the protocol address acquisition subunit is specifically configured to:
acquiring a network protocol address associated with the position information of the relay user equipment according to a preset position address association relation, and taking the network protocol address as the network protocol address of the relay user equipment; the location address association relationship includes correspondence between location information of a plurality of different relay user equipments and associated network protocol addresses.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the access mode obtaining module 12 includes: a network type acquisition unit and an information transmission unit, wherein:
a network type obtaining unit, configured to obtain an access network type of the relay user equipment;
and the information sending unit is used for sending the position information and the access network type to the session management function network element, and indicating the session management function network element to determine the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the network access mode determining device in another embodiment of the present application may be applied to a session management function network element. The network access mode determining device of the embodiment of the application can comprise: an access mode determining module, wherein:
an access mode determining module, configured to determine a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element; the network access mode is determined based on the position information of the relay user equipment, the relay user equipment is used for realizing the communication between the remote user equipment and the network element with the non-third generation partnership project interworking function, and the position information is acquired by the network element with the access and mobility management function according to the service control information sent by the network element with the non-third generation partnership project interworking function.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the network access mode is determined after the access and mobility management function network element obtains the position information of the relay user equipment and the access network type; correspondingly, the access mode determining module comprises: an access manner determining unit, wherein:
and the access mode determining unit is used for determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the access manner determining unit includes: the method comprises the steps of obtaining a subunit, a first determining subunit and a second determining subunit, wherein:
an obtaining subunit, configured to obtain a network protocol address of the relay user equipment according to the location information of the relay user equipment;
a first determining subunit, configured to determine, when a network protocol address of the relay user equipment exists in the network protocol address pool, that the network access mode is a proximity service access mode;
And the second determining subunit is used for determining that the network access mode is a non-adjacent service access mode when the network protocol address of the relay user equipment does not exist in the network protocol address pool.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the acquisition subunit is specifically configured to:
acquiring a network protocol address associated with the position information of the relay user equipment according to a preset position address association relation, and taking the network protocol address as the network protocol address of the relay user equipment; the location address association relationship includes correspondence between location information of a plurality of different relay user equipments and associated network protocol addresses.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the network access mode determining device in another embodiment of the present application may be applied to a remote user equipment. The network access mode determining device of the embodiment of the application can comprise: a message sending module, wherein:
The message sending module is used for sending a service control message to the non-third generation partnership project interworking function network element, instructing the non-third generation partnership project interworking function network element to send the service control message to the access and mobility management function network element, acquiring the position information of the relay user equipment after the access and mobility management function network element receives the service control message, and determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information; the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, determining, based on the location information, that a network access manner of the remote user equipment to the non-third generation partnership project interworking function network element is determined for the access and mobility management function network element; or determining, based on the location information, that the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element is determined for the access and mobility management function network element to instruct the session management function network element.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the network access mode determining device further includes: the system comprises a request sending module, a communication tunnel establishing module and a message sending module, wherein:
the establishment request sending module is used for sending a communication connection establishment request to the relay user equipment; the communication connection establishment request is used for indicating establishment of communication connection with the relay user equipment;
the communication tunnel establishment module is used for establishing a communication tunnel between the remote user equipment and a non-third generation partnership project interworking function network element under the condition that the communication connection between the remote user equipment and the relay user equipment is successfully established;
and the message sending module is used for sending the service control message to the non-third generation partnership project interworking function network element through the relay user equipment by the communication tunnel.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the network access mode determining device includes: the system comprises a registration request sending module, a service information receiving module and a first processing module, wherein:
a registration request sending module, configured to send a communication system registration request to a core network; the communication system registration request is used for indicating the core network to authorize the proximity service function of the remote user equipment;
the service information receiving module is used for receiving the first relay service information sent by the core network under the condition that the adjacent service function authorization of the remote user equipment is successful;
and the first processing module is used for carrying out relay discovery processing according to the first relay service information so as to determine the relay user equipment.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the relay discovery processing module is specifically configured to:
acquiring second relay service information of a plurality of candidate relay user equipment; the candidate relay user equipment represents candidate relay user equipment of which the core network has successfully authorized the proximity service function;
And determining candidate relay user equipment corresponding to the second relay service information matched with the first relay service information as relay user equipment.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
In one embodiment, the network access mode determining device further includes: an update instruction response module and a second processing module, wherein:
the updating instruction response module is used for responding to the service information updating instruction sent by the core network, updating the first relay service information and obtaining third relay service information;
and the second processing module is used for carrying out relay discovery processing according to the third relay service information.
The network access mode determining device provided by the embodiment of the application can be used for executing the technical scheme in the embodiment of the network access mode determining method, and the implementation principle and the technical effect are similar and are not repeated here.
The specific limitation of the network access mode determining device may be referred to the limitation of the network access mode determining method hereinabove, and will not be described herein. The modules in the network access mode determining device may be implemented in whole or in part by software, hardware, or a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the communication device, or may be stored in software in a memory in the communication device, so that the processor may call and execute operations corresponding to the above modules.
In one embodiment, a communication device is provided, see fig. 16. Fig. 16 is a schematic structural diagram of a communication device according to an embodiment of the present application. Alternatively, the communication device may determine a communication module in a base station or terminal in the system for the network access mode. The communication apparatus shown in fig. 16 includes: a transceiver, at least one processor, memory, at least one network interface, and a user interface. The various components in the communication device are coupled together by a bus system. It will be appreciated that a bus system is used to enable connected communications between these components. The bus system includes a power bus, a control bus, and a status signal bus in addition to the data bus. But for clarity of illustration the various buses are labeled as bus systems in fig. 16. Alternatively, the transceiver may be a plurality of elements, i.e. comprising a transmitter and a receiver, providing a unit for communicating with various other apparatus over a transmission medium.
The user interface may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, a trackball, a touch pad, or a touch screen, etc.).
It will be appreciated that the memory in embodiments of the application may be 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 (DRRAM). The memory of the systems and methods described in embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, the memory stores the following elements, executable modules or data structures, or other subsets, or other extensions: an operating system and application programs.
The operating system includes various system programs, such as a framework layer, a core library layer, a driving layer, and the like, and is used for realizing various basic services and processing hardware-based tasks. Applications, including various applications such as media players, browsers, etc., are used to implement various application services. The program for implementing the method of the embodiment of the application can be contained in an application program.
In the embodiment of the application, the program or the instruction stored in the memory is called, and specifically, the program or the instruction stored in the application program can be called.
Some or all of the methods disclosed in the embodiments of the present application may be applied to a processor, or implemented by the processor in cooperation with other elements (e.g., a transceiver). The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or by instructions in the form of software. 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 the method disclosed in connection with the embodiments of the present application may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding 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 is to be understood that the embodiments of the application described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For a hardware implementation, the processing units may be implemented within one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processors (Digital Signal Processing, DSP), digital signal processing devices (dspev, DSPD), programmable logic devices (Programmable Logic Device, PLD), field programmable gate arrays (Field-Programmable Gate Array, FPGA), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units designed to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques in embodiments of the present application may be implemented by modules (e.g., procedures, functions, and so on) that perform the functions described by embodiments of the present application. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
It will be appreciated by those skilled in the art that the structure shown in fig. 16 is merely a block diagram of a portion of the structure associated with the present inventive arrangements and is not limiting of the communication device to which the present inventive arrangements are applied, and that a particular communication device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, there is also provided a communication device comprising a transceiver, a memory, and a processor, the memory having stored therein a computer program, the processor implementing the steps of the method of any of the embodiments described above when the computer program is executed.
In an embodiment, there is also provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method of any of the embodiments described above.
In an embodiment, a computer program product is also provided, comprising a computer program which, when executed by a processor, implements the steps of the method of any of the embodiments described above.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, information storage, or other medium used in embodiments provided herein can include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, or the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (23)

1. A method for determining a network access mode, which is applied to network elements with access and mobility management functions, the method comprising:
acquiring the position information of relay user equipment sent by a non-third generation partnership project interworking function network element according to a service control message sent by the non-third generation partnership project interworking function network element; the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element; the service control message is sent to the non-third generation partnership project interworking function network element by the remote user equipment through the relay user equipment after the relay user equipment communicates with the non-third generation partnership project interworking function network element;
Based on the position information, determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element; wherein determining, based on the location information, a network access manner of the remote ue to the non-third generation partnership project interworking function network element includes: and acquiring the access network type of the remote user equipment, and determining the network access mode of the remote user equipment for accessing the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
2. The method according to claim 1, wherein determining a network access manner of the remote ue to the non-third generation partnership project interworking function network element according to the location information of the relay ue comprises:
acquiring a network protocol address of the relay user equipment according to the position information of the relay user equipment;
if the network protocol address of the relay user equipment exists in the network protocol address pool, determining that the network access mode is a proximity service access mode;
And if the network protocol address of the relay user equipment does not exist in the network protocol address pool, determining that the network access mode is a non-adjacent service access mode.
3. The method according to claim 2, wherein the obtaining the network protocol address of the relay user equipment according to the location information of the relay user equipment comprises:
acquiring a network protocol address associated with the position information of the relay user equipment according to a preset position address association relation, and taking the network protocol address as the network protocol address of the relay user equipment; the location address association relationship comprises correspondence between location information of a plurality of different relay user equipments and associated network protocol addresses.
4. A method according to any of claims 1-3, wherein said determining a network access manner of said remote user equipment to said non-third generation partnership project interworking function network element based on said location information comprises:
acquiring the access network type of the relay user equipment;
and sending the position information and the access network type to a session management function network element, and indicating the session management function network element to determine a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
5. A method according to any of claims 1-3, characterized in that said service control message is sent by said remote user equipment to said non-third generation partnership project interworking function network element via said relay user equipment after establishing a communication tunnel for said remote user equipment and said non-third generation partnership project interworking function network element.
6. A method according to any of claims 1-3, wherein the relay user equipment is any one of a plurality of candidate relay user equipment determined by the remote user equipment in case of successful authorization of a proximity service function; each candidate relay user equipment represents a candidate relay user equipment in the core network that has successfully authorized a proximity service function.
7. A method according to any one of claims 1-3, characterized in that the method further comprises:
and sending a flow management request to a session management function network element to instruct the session management function network element to manage network flow when the network access mode is a proximity service access mode.
8. A method for determining a network access mode, which is applied to a session management function network element, the method comprising:
Determining a network access mode of the remote user equipment to a non-third generation partnership project interworking function network element; the network access mode is determined based on the position information of relay user equipment, the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element, and the position information is sent by the access and mobility management function network element according to the service control information sent by the non-third generation partnership project interworking function network element; the service control message is sent to the non-third generation partnership project interworking function network element by the remote user equipment through the relay user equipment after the relay user equipment communicates with the non-third generation partnership project interworking function network element;
wherein the determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element comprises: and under the condition that the access network type is a non-third generation partnership project access type, determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment.
9. The method of claim 8, wherein the network access manner is determined after the access and mobility management function network element obtains location information and an access network type of the relay user equipment.
10. The method according to claim 9, wherein determining a network access manner of a remote user equipment to the non-third generation partnership project interworking function network element according to the location information of the relay user equipment comprises:
acquiring a network protocol address of the relay user equipment according to the position information of the relay user equipment;
if the network protocol address of the relay user equipment exists in the network protocol address pool, determining that the network access mode is a proximity service access mode;
and if the network protocol address of the relay user equipment does not exist in the network protocol address pool, determining that the network access mode is a non-adjacent service access mode.
11. The method according to claim 10, wherein the obtaining the network protocol address of the relay user equipment according to the location information of the relay user equipment comprises:
acquiring a network protocol address associated with the position information of the relay user equipment according to a preset position address association relation, and taking the network protocol address as the network protocol address of the relay user equipment; the location address association relationship comprises correspondence between location information of a plurality of different relay user equipments and associated network protocol addresses.
12. A method for determining a network access mode, which is applied to a remote user equipment, the method comprising:
after the relay user equipment communicates with the non-third generation partnership project interworking function network element, sending a service control message to the non-third generation partnership project interworking function network element through the relay user equipment, indicating the non-third generation partnership project interworking function network element to send the service control message to an access and mobility management function network element, acquiring the position information of the relay user equipment sent by the non-third generation partnership project interworking function network element after the access and mobility management function network element receives the service control message, and determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the position information; the relay user equipment is used for realizing communication between the remote user equipment and a non-third generation partnership project interworking function network element;
the determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the location information includes:
And acquiring the access network type of the remote user equipment, and determining the network access mode of the remote user equipment for accessing the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
13. The method according to claim 12, wherein said determining, based on said location information, a network access manner in which said remote user equipment accesses said non-third generation partnership project interworking function network element is determined for said access and mobility management function network element; or determining, based on the location information, that a network access manner of the remote user equipment to the non-third generation partnership project interworking function network element is determined for the access and mobility management function network element to instruct a session management function network element.
14. The method of claim 12, wherein after the relay user equipment communicates with the non-third generation partnership project interworking function network element, before sending the traffic control message to the non-third generation partnership project interworking function network element through the relay user equipment, the method further comprises:
Sending a communication connection establishment request to the relay user equipment; the communication connection establishment request is used for indicating to establish communication connection with the relay user equipment;
establishing a communication tunnel with the non-third generation partnership project interworking function network element under the condition that communication connection with the relay user equipment is successfully established;
and sending the service control message to the non-third generation partnership project interworking function network element through the relay user equipment through the communication tunnel.
15. The method according to claim 13 or 14, characterized in that the method further comprises:
sending a communication system registration request to a core network; the communication system registration request is used for indicating the core network to authorize the proximity service function of the remote user equipment;
receiving first relay service information sent by the core network under the condition that the adjacent service function authorization of the remote user equipment is successful;
and performing relay discovery processing based on the first relay service information to determine the relay user equipment.
16. The method of claim 15, wherein the performing relay discovery processing based on the first relay service information to determine the relay user device comprises:
Acquiring second relay service information of a plurality of candidate relay user equipment; the candidate relay user equipment represents the relay user equipment of which the core network has successfully authorized the adjacent service function;
and determining candidate relay user equipment corresponding to the second relay service information matched with the first relay service information as the relay user equipment.
17. The method of claim 16, wherein the method further comprises:
responding to a service information updating instruction sent by the core network, and updating the first relay service information to obtain third relay service information;
and carrying out relay discovery processing according to the third relay service information.
18. A network access mode determining apparatus, the apparatus comprising:
the position information acquisition module is used for acquiring the position information of the relay user equipment sent by the non-third generation partnership project interworking function network element according to the service control message sent by the non-third generation partnership project interworking function network element; the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element; the service control message is sent to the non-third generation partnership project interworking function network element by the remote user equipment through the relay user equipment after the relay user equipment communicates with the non-third generation partnership project interworking function network element;
An access mode determining module, configured to determine, based on the location information, a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element; wherein determining, based on the location information, a network access manner of the remote ue to the non-third generation partnership project interworking function network element includes: and acquiring the access network type of the remote user equipment, and determining the network access mode of the remote user equipment for accessing the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
19. A network access mode determining apparatus, the apparatus comprising:
an access mode determining module, configured to determine a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element; the network access mode is determined based on the position information of relay user equipment, the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element, and the position information is sent by the access and mobility management function network element according to the service control information sent by the non-third generation partnership project interworking function network element; the service control message is sent to the non-third generation partnership project interworking function network element by the remote user equipment through the relay user equipment after the relay user equipment communicates with the non-third generation partnership project interworking function network element;
Wherein the determining the network access mode of the remote user equipment to the non-third generation partnership project interworking function network element comprises: and under the condition that the access network type is a non-third generation partnership project access type, determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element according to the position information of the relay user equipment.
20. A network access mode determining apparatus, the apparatus comprising:
a message sending module, configured to send a service control message to a non-third generation partnership project interworking function network element through a relay user equipment after the relay user equipment communicates with the non-third generation partnership project interworking function network element, instruct the non-third generation partnership project interworking function network element to send the service control message to an access and mobility management function network element, and after receiving the service control message, the access and mobility management function network element obtains location information of the relay user equipment sent by the non-third generation partnership project interworking function network element, and determine a network access mode of a remote user equipment accessing the non-third generation partnership project interworking function network element based on the location information; the relay user equipment is used for realizing communication between the remote user equipment and the non-third generation partnership project interworking function network element;
The determining a network access mode of the remote user equipment to the non-third generation partnership project interworking function network element based on the location information includes:
and acquiring the access network type of the remote user equipment, and determining the network access mode of the remote user equipment for accessing the non-third generation partnership project interworking function network element according to the position information of the relay user equipment under the condition that the access network type is the non-third generation partnership project access type.
21. A communication device comprising a transceiver, a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1-17 when the computer program is executed.
22. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1-17.
23. A computer program product comprising a computer program, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1-17.
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