CN110298654B - Mobile phone payment method and system based on 5G network - Google Patents

Mobile phone payment method and system based on 5G network Download PDF

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CN110298654B
CN110298654B CN201910595758.7A CN201910595758A CN110298654B CN 110298654 B CN110298654 B CN 110298654B CN 201910595758 A CN201910595758 A CN 201910595758A CN 110298654 B CN110298654 B CN 110298654B
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mobile terminal
payment
function node
network
mobile
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CN110298654A (en
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张伦泳
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/08Payment architectures
    • G06Q20/085Payment architectures involving remote charge determination or related payment systems
    • G06Q20/0855Payment architectures involving remote charge determination or related payment systems involving a third party
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/30Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/32Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
    • G06Q20/325Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices using wireless networks

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Abstract

The present disclosure provides a mobile phone payment method and system based on 5G network, including: connecting with a mobile terminal; sending a payment initiation request to a third party payment system through a network open function node so that the third party payment system can inquire a payment settlement request corresponding to the 5G unique temporary mark of the mobile terminal; receiving a query result fed back by a third-party payment system through a network open function node, and detecting whether a payment settlement request needing to be processed exists in the mobile terminal based on the query result; and if the mobile terminal is detected to have the payment settlement request needing to be processed, sending the payment settlement request needing to be processed to the mobile terminal so that the mobile terminal can process the payment settlement request. The technical scheme disclosed by the invention can realize that the intelligent machine or the non-intelligent machine directly uses the 5G network to carry out mobile payment, thereby reducing the payment threshold and improving the mobile payment experience while ensuring the payment safety.

Description

Mobile phone payment method and system based on 5G network
Technical Field
The disclosure relates to the technical field of mobile payment, in particular to a mobile phone payment method and system based on a 5G network.
Background
With the rapid development of internet technology and mobile communication technology, people pay more mobile terminals, mainly mobile phone payment, as a daily payment means. The existing mobile phone payment function generally needs to display a payment two-dimensional code or scan a collection two-dimensional code. The corresponding mobile phone is required to be a smart phone, so that the equipment threshold of mobile phone payment is increased, and the rapidness and convenience of mobile phone payment are influenced.
Disclosure of Invention
The present disclosure is directed to at least solve one of the technical problems in the prior art, and provides a mobile phone payment method and system based on a 5G network.
In order to achieve the above object, an embodiment of the present disclosure provides a mobile payment method based on a 5G network, including:
connecting with a mobile terminal;
sending a payment initiation request to a third party payment system through a network open function node so that the third party payment system can inquire a payment settlement request corresponding to the 5G unique temporary mark of the mobile terminal, wherein the payment initiation request comprises the 5G unique temporary mark of the mobile terminal;
receiving a query result fed back by the third-party payment system through the network open function node, and detecting whether the mobile terminal has a payment settlement request needing to be processed or not based on the query result;
and if the mobile terminal is detected to have the payment settlement request needing to be processed, sending the payment settlement request needing to be processed to the mobile terminal so that the mobile terminal can process the payment settlement request.
In some embodiments, before the step of connecting with the mobile terminal through the 5G network, the method further includes:
receiving a connection request sent by a mobile terminal through a 5G network, wherein the connection request comprises: cell information of a cell in which the mobile terminal is located;
detecting whether a mobile terminal in the same cell with the mobile terminal exists in all other mobile terminals connected with the mobile terminal according to the cell information;
if the detection result is yes, feeding back connection failure information to the mobile terminal;
and if the detection result is negative, executing the step of connecting with the mobile terminal through the 5G network.
In some embodiments, after the step of connecting with the mobile terminal through the 5G network and before the step of sending the payment initiation request to the third party payment system through the network open function node, the method further includes:
sending a signature request to a predetermined access and mobility management function node for the predetermined access and mobility management function node to sign a 5G unique temporary mark of the mobile terminal;
receiving a signature result fed back by the preset access and mobile management function node, and sending the signature result to the mobile terminal so that the mobile terminal can verify the signature result, wherein the signature result comprises a 5G unique temporary mark of the mobile terminal;
receiving a verification result fed back by the mobile terminal; when the verification result is verification failure, the mobile terminal is disconnected with the mobile terminal; and when the verification result is that the verification is passed, executing the step of sending a payment initiation request to a third-party payment system through the network open function node.
In some embodiments, the predetermined access and mobility management function node comprises: and the access and mobile management function node is connected with the mobile terminal before accessing the current cell.
In some embodiments, the step of detecting whether the mobile terminal has a payment settlement request that needs to be processed based on the query result specifically includes:
detecting whether the query result contains a payment settlement request or not;
if the detection result is yes, detecting that the mobile terminal has a payment settlement request which needs to be processed;
if the detection result is negative, detecting that the mobile terminal does not have a payment settlement request needing to be processed.
To achieve the above object, an embodiment of the present disclosure provides a payment special access and mobility management function node, including:
the connection module is used for connecting with the mobile terminal;
a first sending module, configured to send a payment initiation request to a third party payment system through a network open function node, so that the third party payment system queries a payment settlement request corresponding to the 5G unique temporary identifier of the mobile terminal, where the payment initiation request includes the 5G unique temporary identifier of the mobile terminal;
the first detection module is used for receiving a query result fed back by the third-party payment system through the network open function node and detecting whether the mobile terminal has a payment settlement request needing to be processed or not based on the query result;
and the second sending module is used for sending the payment settlement request needing to be processed to the mobile terminal when the first detection module detects that the payment settlement request needing to be processed exists in the mobile terminal, so that the mobile terminal can process the payment settlement request.
In some embodiments, the payment specific access and mobility management function node further comprises:
a first receiving module, configured to receive a connection request sent by a mobile terminal through a 5G network, where the connection request includes: cell information of a cell in which the mobile terminal is located;
the second detection module is used for detecting whether a mobile terminal in the same cell with the mobile terminal exists in all other mobile terminals connected with the second detection module according to the cell information;
the feedback module is used for feeding back connection failure information to the mobile terminal when the detection result of the second detection module is positive;
the connection module is specifically configured to, when the detection result of the second detection module is negative, execute the step of connecting with the mobile terminal through the 5G network by the connection module.
In some embodiments, the payment specific access and mobility management function node further comprises:
a third sending module, configured to send a signature request to a predetermined access and mobility management function node, so that the predetermined access and mobility management function node signs a 5G unique temporary token of the mobile terminal;
the second receiving module is used for receiving the signature result fed back by the preset access and mobile management function node and sending the signature result to the mobile terminal so that the mobile terminal can verify the signature result, and the signature result comprises a 5G unique temporary mark of the mobile terminal;
a third receiving module, configured to receive a verification result fed back by the mobile terminal;
the disconnection module is used for disconnecting the mobile terminal when the verification result is verification failure;
the first sending module is specifically configured to, when the verification result is that the verification is passed, execute the step of sending a payment initiation request to a third-party payment system through the network open function node by the first sending module.
In some embodiments, the predetermined access and mobility management function node comprises: a general access and mobility management function node or an access and mobility management function node to which the mobile terminal is connected before accessing a cell where the mobile terminal is currently located.
In some embodiments, the first detection module further comprises:
the detection unit is used for detecting whether the inquiry result contains a payment settlement request or not;
if the detection result of the detection unit is positive, the first detection module detects that the mobile terminal has a payment settlement request which needs to be processed;
if the detection result of the detection unit is negative, the first detection module detects that the mobile terminal does not have a payment settlement request which needs to be processed.
In order to achieve the above object, an embodiment of the present disclosure provides a mobile payment system based on a 5G network, including: the payment specific access and mobility management function node of any of the above embodiments.
The mobile phone payment method and the mobile phone payment system based on the 5G network can realize that an intelligent machine or a non-intelligent machine directly uses the 5G network to carry out mobile phone payment, ensure the payment safety, reduce the payment threshold and improve the mobile phone payment experience.
Drawings
Fig. 1 is a flowchart of a mobile phone payment method based on a 5G network according to an embodiment of the present disclosure;
fig. 2 is a flowchart of another 5G network-based mobile payment method provided in the embodiment of the present disclosure;
fig. 3 is a flowchart of another 5G network-based mobile payment method provided in the embodiment of the present disclosure;
fig. 4 is a block diagram of a structure of a payment specific access and mobility management function node according to an embodiment of the present disclosure;
fig. 5 is a block diagram of a mobile payment system based on a 5G network according to an embodiment of the present disclosure.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present disclosure, a detailed description is given below of a mobile phone payment method and system based on a 5G network provided in the present disclosure with reference to the accompanying drawings.
The mobile phone payment method and system based on the 5G network can be used for mobile phone payment of an intelligent machine or a non-intelligent machine in a mode of directly using the 5G network under the condition of not depending on a payment two-dimensional code or a collection two-dimensional code.
Fig. 1 is a flowchart of a mobile payment method based on a 5G network according to an embodiment of the present disclosure, and as shown in fig. 1, the mobile payment method includes:
and step S1, connecting with the mobile terminal.
In practical application, the mobile terminal is connected with a 5G network through a 5G signal in the corresponding 5G transaction terminal, and before that, if the mobile terminal is connected with a non-5G network, the process is to access the 5G network; if the connection with the 5G network is already established, the process is to change the 5G network cell. The transaction terminal has a wireless coverage unit or cell of a 5G network therein. The shell of the transaction terminal can prevent the 5G signal from leaking, i.e. the 5G signal is only limited inside the transaction terminal, and the 5G signal is connected to an Access and Mobility Management Function (AMF) node dedicated to the 5G core network. Meanwhile, the transaction terminal is provided with a socket into which a mobile terminal, mainly a mobile phone, can be inserted, and when the mobile terminal is inserted, the mobile terminal can be connected to a 5G network through a 5G signal in the transaction terminal.
Step S2, sending a payment initiation request to the third party payment system through a Network open Function (NEF) node, so that the third party payment system queries a payment settlement request corresponding to a 5G Unique Temporary Identifier (5G global Unique Identifier, 5G-GUTI for short) of the mobile terminal.
Wherein the payment initiation request comprises: the mobile terminal's 5G unique temporary token.
In practical applications, the payment settlement request includes: the 5G unique temporary mark and the transaction information of the mobile terminal. The transaction information may include: payment amount and merchant information.
After receiving the transaction information transmitted by the external acquisition equipment, the transaction terminal waits for the insertion of the mobile terminal, obtains the 5G unique temporary mark of the mobile terminal as the identity of a user through an internal 5G wireless coverage unit or a cell, packages the identity into a payment settlement request and then sends the payment settlement request to a third party transaction platform, so that the third party transaction platform can inquire the transaction information corresponding to the 5G unique temporary mark according to the payment initiation request.
If the third-party payment system can inquire a payment settlement request corresponding to the 5G unique temporary mark of the mobile terminal from a database of the third-party payment system, the inquired payment settlement request is used as an inquiry result to be fed back; and if the third party payment system cannot inquire the payment settlement request corresponding to the 5G unique temporary mark of the mobile terminal from the database of the third party payment system, the feedback inquiry result is null.
And step S3, receiving a query result fed back by the third party payment system through the network open function node, and detecting whether the mobile terminal has a payment settlement request which needs to be processed or not based on the query result.
In some embodiments, step S3 specifically includes:
step S3a, detecting whether the inquiry result includes a payment settlement request.
If it is detected in step S3a that the inquiry result includes a payment settlement request (i.e., the inquiry result is not empty), step S3 detects that the mobile terminal has a payment settlement request to be processed, and then step S4 is executed.
If the inquiry result does not include the payment settlement request (i.e. the inquiry result is null), step S3 detects that there is no payment settlement request to be processed by the mobile terminal, and at this time, transaction failure information may be fed back to the mobile terminal. Thereafter, the user may remove the mobile terminal from the transaction terminal to end the payment process.
And step S4, sending the payment settlement request to be processed to the mobile terminal, so that the mobile terminal can process the payment settlement request.
In practical application, after receiving the payment settlement request, the mobile terminal prompts the user through vibration or sound. For the scene of secret payment exemption, the mobile terminal finishes payment at the moment, and the payment process is finished; for the scene that the user needs to pay after confirming, after the user receives the prompt, the user takes the mobile terminal out of the socket of the transaction terminal for confirmation, at the moment, the mobile terminal is switched to the preset access and mobile management function node, the user confirmation result reaches a third party payment system through the preset access and mobile management function node and the network open function node, at the moment, the mobile terminal payment is completed, and the payment process is finished.
The embodiment of the disclosure provides a mobile phone payment method based on a 5G network, which can be used for mobile phone payment of an intelligent machine or a non-intelligent machine through a 5G network cell special for payment, and can ensure that a payment process is smoothly carried out and rapidly completed.
Fig. 2 is a flowchart of another 5G network-based mobile phone payment method provided in the embodiment of the present disclosure, and as shown in fig. 2, the mobile phone payment method provided in the embodiment includes steps S1 to S4, and further includes, before step S1: step S01 to step S03. Only step S01 to step S03 will be described in detail below.
And step S01, receiving the connection request sent by the mobile terminal through the 5G network.
Wherein the connection request includes: cell information of a cell in which the mobile terminal is located.
In practical application, the cell information is identification information of a 5G wireless coverage unit or a cell inside the transaction terminal.
Step S02, according to the cell information, detects whether there is a mobile terminal in the same cell as the mobile terminal among all other mobile terminals connected to the mobile terminal.
In step S02, if the detection result is yes, step S03 is executed; if the detection result is no, step S1 is executed.
And step S03, feeding back the connection failure information to the mobile terminal.
In practical application, in order to prevent the transaction terminal shell from being damaged or maliciously disassembled, the 5G signal special for internal payment is diffused to an open space to cause confusion, so that only one mobile terminal is required to be connected in the 5G cell special for payment corresponding to a single transaction terminal.
The embodiment of the disclosure provides a mobile phone payment method based on a 5G network, which is used for mobile phone payment of an intelligent machine or a non-intelligent machine through a 5G network cell special for payment, and ensures that a payment process is smoothly carried out and quickly completed while avoiding the disorder of payment objects and reducing the payment threshold.
Fig. 3 is a flowchart of another mobile payment method based on a 5G network according to an embodiment of the present disclosure, and as shown in fig. 3, the mobile payment method according to the embodiment includes steps S01 to S4, and further includes, after step S1 and before step S2: step S101 to step S104. Only step S101 to step S104 will be described in detail below.
Step S101, sending a signature request to a predetermined access and mobility management function node for the predetermined access and mobility management function node to sign the 5G unique temporary mark of the mobile terminal.
In practical application, the signing request is specifically used for requesting a 5G unique temporary mark of the mobile terminal from a predetermined access and mobility management function node, and signing by using a key used when the mobile terminal interacts with the access and mobility management function node.
In some embodiments, the predetermined access and mobility management function node comprises: and the access and mobile management function node is connected with the mobile terminal before accessing the current cell.
And step S102, receiving the signature result fed back by the preset access and mobile management function node, and sending the signature result to the mobile terminal so that the mobile terminal can verify the signature result.
Wherein, the signature result includes: the mobile terminal's 5G unique temporary token.
In practical application, the process of connecting the mobile terminal to the 5G network is a process of switching the access and mobility management function node connected by the mobile terminal from a predetermined access and mobility management function node to a payment-dedicated access and mobility management function node.
And the payment special access and mobile management function node sends the signature result to the mobile terminal so that the mobile terminal can verify the signature result, namely the identity of the mobile terminal. If the payment special access and mobile management function node is fake, the preset access and mobile management function node cannot be connected and a corresponding signature adopting a secret key is obtained.
In practical applications, if the payment-dedicated access and mobility management function node does not send a new 5G unique temporary token to the mobile terminal when the mobile terminal accesses the current payment-dedicated 5G network cell, the 5G unique temporary token received from the predetermined access and mobility management function node is used as the 5G unique temporary token transmitted in the following step.
If the payment special access and mobile management function node sends a new 5G unique temporary mark to the mobile terminal when the mobile terminal accesses the current payment special 5G network cell, the 5G unique temporary mark received from the predetermined access and mobile management function node is only used as an identifier for verifying the identity of the mobile terminal, and the 5G unique temporary mark used in the subsequent step is the new 5G unique temporary mark.
And step S103, receiving the verification result fed back by the mobile terminal.
Wherein, when the verification result is that the verification fails, the step S104 is executed; when the verification result is verification pass, step S2 is executed.
And step S104, disconnecting the mobile terminal.
The embodiment of the disclosure provides a mobile phone payment method based on a 5G network, which is used for a smart machine or a non-smart machine to directly use the 5G network for mobile phone payment, so that the payment safety is ensured, the payment threshold is reduced, and meanwhile, the payment process is ensured to be smoothly carried out and rapidly completed.
Fig. 4 is a block diagram of a structure of a payment specific access and mobility management function node according to an embodiment of the present disclosure. As shown in fig. 4, the payment-dedicated access and mobility management function node may be configured to implement the 5G network-based mobile payment method provided in the foregoing embodiments, and the payment-dedicated access and mobility management function node includes: the device comprises a connection module 1, a first sending module 2, a first detection module 3 and a second sending module 4.
The connection module 1 is used for connecting with a mobile terminal.
The first sending module 2 is configured to send a payment initiation request to the third-party payment system through the network open function node, so that the third-party payment system queries a payment settlement request corresponding to the 5G unique temporary token of the mobile terminal.
Wherein the payment initiation request comprises: the mobile terminal's 5G unique temporary token.
And the first detection module 3 is used for receiving a query result fed back by the third-party payment system through the network open function node and detecting whether the mobile terminal has a payment settlement request which needs to be processed or not based on the query result.
In some embodiments, the first detection module 3 further comprises: a detection unit 3 a.
The detecting unit 3a is configured to detect whether the inquiry result includes a payment settlement request.
If the detection result of the detection unit 3a is yes, the first detection module 3 detects that the mobile terminal has a payment settlement request which needs to be processed; if the detection result of the detection unit 3a is no, the first detection module 3 detects that the mobile terminal has no payment settlement request to be processed.
And the second sending module 4 is configured to send the payment settlement request to be processed to the mobile terminal when the first detecting module 3 detects that the payment settlement request to be processed exists in the mobile terminal, so that the mobile terminal can process the payment settlement request.
In some embodiments, the payment specific access and mobility management function node further comprises: the device comprises a first receiving module 01, a second detecting module 02 and a feedback module 03.
The first receiving module 01 is configured to receive a connection request sent by the mobile terminal through the 5G network.
Wherein the connection request includes: cell information of a cell in which the mobile terminal is located.
The second detecting module 02 is configured to detect whether there is a mobile terminal in the same cell as the mobile terminal in all other mobile terminals connected to the second detecting module according to the cell information.
And the feedback module 03 is configured to feed back connection failure information to the mobile terminal when the detection result of the second detection module 02 is yes.
In combination with the specific functions of the second detection module 02, the connection module 1 is specifically configured to:
when the detection result of the second detection module 02 is negative, the connection module 1 performs a step of connecting with the mobile terminal through the 5G network.
In some embodiments, the payment specific access and mobility management function node further comprises: a third sending module 101, a second receiving module 102, a third receiving module 103 and a disconnection module 104.
A third sending module 101, configured to send a signature request to the reservation access and mobility management function node, so that the reservation access and mobility management function node signs the 5G unique temporary token of the mobile terminal.
And the second receiving module 102 is configured to receive the signature result fed back by the predetermined access and mobility management function node, and send the signature result to the mobile terminal, so that the mobile terminal verifies the signature result.
Wherein, the signature result comprises: the mobile terminal's 5G unique temporary token.
And a third receiving module 103, configured to receive a verification result fed back by the mobile terminal.
And a disconnection module 104, configured to disconnect from the mobile terminal when the verification result is that the verification fails.
In combination with the specific functions of the third receiving module 103, the first sending module 2 is specifically configured to:
and when the verification result is that the verification is passed, the first sending module 2 executes the step of sending a payment initiation request to the third-party payment system through the network open function node.
In some embodiments, the predetermined access and mobility management function node comprises: and the access and mobile management function node is connected with the mobile terminal before accessing the current cell.
It should be noted that, for the specific execution process of each module and the relation between each module in this embodiment, reference may be made to corresponding contents in the foregoing 5G network-based mobile phone payment method embodiment, and details are not described here again.
Fig. 5 is a block diagram of a mobile payment system based on a 5G network according to an embodiment of the present disclosure. As shown in fig. 5, the mobile payment system may be used to implement the mobile payment method provided in the foregoing embodiments, and the mobile payment system includes: the embodiments described above provide a payment specific access and mobility management function node. For a detailed description of the payment specific access and mobility management function node, reference may be made to the contents in the foregoing embodiments, and details are not described here.
In this embodiment, the mobile payment system further includes: and (4) network open function nodes.
The mobile phone payment method and system based on the 5G network can realize mobile phone payment of an intelligent machine or a non-intelligent machine in a mode of connecting with a special 5G network cell for payment, guarantee payment safety, reduce payment threshold, ensure that a payment process is smoothly carried out and quickly completed, and improve mobile phone payment experience.
It is to be understood that the above embodiments are merely exemplary embodiments that are employed to illustrate the principles of the present disclosure, and that the present disclosure is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the disclosure, and these are to be considered as the scope of the disclosure.

Claims (9)

1. A mobile phone payment method based on a 5G network is characterized in that the method is applied to a payment special access and mobile management function node, and the payment special access and mobile management function node is connected with a transaction terminal, and the method comprises the following steps:
the transaction terminal is connected with the mobile terminal through a 5G network, wherein the transaction terminal is provided with a connection socket and a shell, the mobile terminal is accessed into a special payment cell of the transaction terminal through the connection socket, and the shell has a function of preventing a communication signal corresponding to the special payment cell from leaking;
sending a payment initiation request to a third party payment system through a network open function node so that the third party payment system can inquire a payment settlement request corresponding to the 5G unique temporary mark of the mobile terminal, wherein the payment initiation request comprises the 5G unique temporary mark of the mobile terminal;
receiving a query result fed back by the third-party payment system through the network open function node, and detecting whether the mobile terminal has a payment settlement request needing to be processed or not based on the query result;
if the mobile terminal is detected to have the payment settlement request needing to be processed, the payment settlement request needing to be processed is sent to the mobile terminal so that the mobile terminal can process the payment settlement request;
after the step of connecting the transaction terminal with the mobile terminal through the 5G network and before the step of sending a payment initiation request to the third-party payment system through the network open function node, the method further includes:
sending a signature request to a predetermined access and mobility management function node for the predetermined access and mobility management function node to sign a 5G unique temporary mark of the mobile terminal;
receiving a signature result fed back by the preset access and mobile management function node, and sending the signature result to the mobile terminal so that the mobile terminal can verify the signature result, wherein the signature result comprises a 5G unique temporary mark of the mobile terminal;
receiving a verification result fed back by the mobile terminal; when the verification result is verification failure, the mobile terminal is disconnected with the mobile terminal; and when the verification result is that the verification is passed, executing the step of sending a payment initiation request to a third-party payment system through the network open function node.
2. The method of claim 1, further comprising, prior to the step of the transaction terminal connecting with the mobile terminal over a 5G network:
receiving a connection request sent by the mobile terminal through a 5G network, wherein the connection request comprises: cell information of a cell in which the mobile terminal is located;
detecting whether a mobile terminal in the same cell with the mobile terminal exists in all other mobile terminals connected with the payment special access and mobile management function node according to the cell information;
if the detection result is yes, feeding back connection failure information to the mobile terminal;
and if the detection result is negative, executing the step of connecting with the mobile terminal through the 5G network.
3. The method of claim 1, wherein the predetermined access and mobility management function node comprises: and the access and mobile management function node is connected with the mobile terminal before accessing the current cell.
4. The method according to claim 1, wherein the step of detecting whether the mobile terminal has a payment settlement request to be processed based on the query result specifically comprises:
detecting whether the query result contains a payment settlement request or not;
if the detection result is yes, detecting that the mobile terminal has a payment settlement request which needs to be processed;
if the detection result is negative, detecting that the mobile terminal does not have a payment settlement request needing to be processed.
5. A payment specific access and mobility management function node, wherein the payment specific access and mobility management function node is connected to a transaction terminal, the payment specific access and mobility management function node comprising:
the connection module is used for connecting the transaction terminal with a mobile terminal through a 5G network, wherein the transaction terminal is provided with a connection socket and a shell, the mobile terminal is accessed into a special payment cell of the transaction terminal through the connection socket, and the shell has a function of preventing a communication signal corresponding to the special payment cell from leaking;
a first sending module, configured to send a payment initiation request to a third party payment system through a network open function node, so that the third party payment system queries a payment settlement request corresponding to the 5G unique temporary identifier of the mobile terminal, where the payment initiation request includes the 5G unique temporary identifier of the mobile terminal;
the first detection module is used for receiving a query result fed back by the third-party payment system through the network open function node and detecting whether the mobile terminal has a payment settlement request needing to be processed or not based on the query result;
the second sending module is used for sending the payment settlement request needing to be processed to the mobile terminal when the first detection module detects that the payment settlement request needing to be processed exists in the mobile terminal, so that the mobile terminal can process the payment settlement request;
the payment special access and mobile management function node further comprises:
a third sending module, configured to send a signature request to a predetermined access and mobility management function node, so that the predetermined access and mobility management function node signs a 5G unique temporary token of the mobile terminal;
the second receiving module is used for receiving the signature result fed back by the preset access and mobile management function node and sending the signature result to the mobile terminal so that the mobile terminal can verify the signature result, and the signature result comprises a 5G unique temporary mark of the mobile terminal;
a third receiving module, configured to receive a verification result fed back by the mobile terminal;
the disconnection module is used for disconnecting the mobile terminal when the verification result is verification failure;
the first sending module is specifically configured to, when the verification result is that the verification is passed, execute the step of sending a payment initiation request to a third-party payment system through the network open function node by the first sending module.
6. The functional node of claim 5, further comprising:
a first receiving module, configured to receive a connection request sent by the mobile terminal through a 5G network, where the connection request includes: cell information of a cell in which the mobile terminal is located;
the second detection module is used for detecting whether a mobile terminal in the same cell with the mobile terminal exists in all other mobile terminals connected with the second detection module according to the cell information;
the feedback module is used for feeding back connection failure information to the mobile terminal when the detection result of the second detection module is positive;
the connection module is specifically configured to, when the detection result of the second detection module is negative, execute the step of connecting with the mobile terminal through the 5G network by the connection module.
7. The functional node of claim 5, wherein the predetermined access and mobility management functional node comprises: and the access and mobile management function node is connected with the mobile terminal before accessing the current cell.
8. The functional node of claim 5, wherein the first detection module further comprises:
the detection unit is used for detecting whether the inquiry result contains a payment settlement request or not;
if the judgment result of the detection unit is yes, the first detection module detects that the mobile terminal has a payment settlement request which needs to be processed;
if the judgment result of the detection unit is negative, the first detection module detects that the mobile terminal does not have a payment settlement request which needs to be processed.
9. A mobile phone payment system based on a 5G network is characterized by comprising: a payment specific access and mobility management function node as claimed in any one of claims 5-8.
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