CN114158069B - Method and device for data transmission in private network - Google Patents
Method and device for data transmission in private network Download PDFInfo
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Abstract
The embodiment of the application provides a method and a device for data transmission in a private network, wherein a first network device and a second network device in the private network serve a terminal, and the method comprises the following steps: the user plane function network element UPF receives first data from a server; if the type of the first data is a preset type, determining target network equipment in the first network equipment and the second network equipment, wherein the data of the preset type is used for being sent to a terminal through one network equipment; and sending the first data to the terminal through the target network equipment. In the embodiment of the application, when the UPF transmits the downlink data of the preset type, one target network device can be selected to transmit the downlink data to the terminal, and each network device serving the terminal does not need to transmit the same downlink data to the terminal, so that the resources of the network device are saved.
Description
Technical Field
The present application relates to the field of private network communication technologies, and in particular, to a method and an apparatus for data transmission in a private network.
Background
The fifth generation mobile communication technology (5th generation mobile communication Technology,5G) private network provides a new transmission mode for data transmission. The 5G private network has the characteristics of large bandwidth, low time delay and wide connection, so the adoption of the 5G private network for transmitting data has the advantages of high speed, low time delay, good transmission stability, high transmission reliability and the like.
At present, the 5G private network adopts multilink redundancy to improve the reliability of data transmission. The 5G private network provides a plurality of network devices for the terminal to serve the terminal, and when the user plane function network element of the core network receives data from the service end, the user plane function network element can copy a plurality of copies of the data, respectively send the copies of the data to the plurality of network devices serving the terminal, and then send the copies of the data to the terminal by the network devices.
In the current 5G private network, the resource consumption of the network device for downlink data, i.e. data transmitted from the server to the terminal is large.
Disclosure of Invention
The application provides a method and a device for data transmission in a private network, which can reduce the resource consumption of network equipment and improve the processing efficiency of the network equipment.
A first aspect of the present application provides a method for data transmission in a private network, where a first network device and a second network device in the private network both serve a terminal, the method comprising: the UPF receives first data from a server; if the type of the first data is a preset type, determining target network equipment in the first network equipment and the second network equipment, wherein the data of the preset type is used for being sent to the terminal through one network equipment; and sending the first data to the terminal through the target network equipment.
In one possible implementation manner, the determining, in the first network device and the second network device, the target network device includes: acquiring a first transmission quality of the first network device and a second transmission quality of the second network device; and determining target network equipment in the first network equipment and the second network equipment according to the first transmission quality and the second transmission quality.
In one possible implementation manner, the acquiring the first transmission quality of the first network device and the second transmission quality of the second network device includes: receiving a first transmission parameter reported by the first network equipment and a second transmission parameter reported by the second network equipment in a preset time window; acquiring the first transmission quality according to the first transmission parameters; and acquiring the second transmission quality according to the second transmission parameters.
In a possible implementation manner, the first transmission parameter includes a first sub-parameter and a second sub-parameter, where the first sub-parameter is an alarm indication, and the second sub-parameter includes at least one of the following: the alarm indication is an alarm indication of the transmission quality of the first network device.
The obtaining the first transmission quality according to the first transmission parameter includes: and acquiring the first transmission quality according to the first sub-parameter and/or the second sub-parameter.
In one possible implementation manner, obtaining the first transmission quality according to the first sub-parameter and the second sub-parameter includes: acquiring a first score for indicating the first transmission quality according to the first sub-parameter; acquiring a second score for indicating the first transmission quality according to the second sub-parameter; and obtaining a score for indicating the first transmission quality according to the first score, the weight of the first score, the second score and the weight of the second score.
In one possible implementation manner, the obtaining, according to the first sub-parameter, a first score for indicating the first transmission quality includes: and acquiring a first score for indicating the first transmission quality according to the level of the alarm indication and/or the number of alarm indications.
In one possible implementation manner, the obtaining a first score for indicating the first transmission quality according to the level of the alarm indication and/or the number of alarm indications includes: when the alarm indication level is a preset highest level, the first score indicates that the first transmission quality is smaller than a second preset transmission quality; or when the level of the alarm indication is not the preset highest level, if the number of times of the alarm indication is greater than or equal to the preset number of times, the first score indicates that the first transmission quality is smaller than the second preset transmission quality.
In a possible implementation manner, the obtaining, according to the second sub-parameter, a second score for indicating the first transmission quality includes: and obtaining a second score for indicating the first transmission quality according to the value of the second sub-parameter and the mapping relation between the value and the second score.
In a possible implementation manner, the determining, in the first network device and the second network device, a target network device according to the first transmission quality and the second transmission quality includes: and taking the network device with the highest score among the scores of the first transmission quality and the second transmission quality as the target network device.
A second aspect of the present application provides an apparatus for data transmission in a private network, including:
and the receiving and transmitting module is used for receiving the first data from the server.
And the processing module is used for determining target network equipment in the first network equipment and the second network equipment if the type of the first data is a preset type, wherein the data of the preset type is used for being sent to the terminal through one network equipment.
The transceiver module is further configured to send the first data to the terminal through the target network device.
In a possible implementation manner, the processing module is specifically configured to obtain a first transmission quality of the first network device and a second transmission quality of the second network device, and determine a target network device in the first network device and the second network device according to the first transmission quality and the second transmission quality.
In a possible implementation manner, the transceiver module is further configured to receive, within a preset time window, a first transmission parameter reported from the first network device and a second transmission parameter reported from the second network device.
The processing module is specifically configured to obtain the first transmission quality according to the first transmission parameter; and acquiring the second transmission quality according to the second transmission parameters.
In a possible implementation manner, the first transmission parameter includes a first sub-parameter and a second sub-parameter, where the first sub-parameter is an alarm indication, and the second sub-parameter includes at least one of the following: the alarm indication is an alarm indication of the transmission quality of the first network device.
The processing module is specifically configured to obtain the first transmission quality according to the first sub-parameter and/or the second sub-parameter.
In a possible implementation manner, the processing module is specifically configured to obtain, according to the first sub-parameter, a first score for indicating the first transmission quality; acquiring a second score for indicating the first transmission quality according to the second sub-parameter; and obtaining a score for indicating the first transmission quality according to the first score, the weight of the first score, the second score and the weight of the second score.
In a possible implementation manner, the processing module is specifically configured to obtain a first score for indicating the first transmission quality according to the level of the alarm indication and/or the number of alarm indications.
In a possible implementation manner, the processing module is specifically configured to, when the level of the alarm indication is a preset highest level, indicate that the first transmission quality is smaller than a second preset transmission quality; or when the level of the alarm indication is not the preset highest level, if the number of times of the alarm indication is greater than or equal to the preset number of times, the first score indicates that the first transmission quality is smaller than the second preset transmission quality.
In a possible implementation manner, the processing module is specifically configured to obtain a second score for indicating the first transmission quality according to the value of the second sub-parameter and the mapping relationship between the value and the second score.
In a possible implementation manner, the processing module is specifically configured to take, as the target network device, a network device with a highest score among the score of the first transmission quality and the score of the second transmission quality.
A third aspect of the present application provides an electronic apparatus comprising: at least one processor, memory, and transceiver;
the memory stores computer-executable instructions;
the at least one processor executes the computer-executed instructions stored in the memory, so that the electronic device executes the method for transmitting data in the private network;
the transceiver is configured to perform the transceiving actions in the first aspect under the control of the processor.
A fourth aspect of the present application provides a computer-readable storage medium having stored thereon computer-executable instructions that, when executed by a processor, implement the method for data transmission in a private network described above.
A fifth aspect of the application provides a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of the first aspect described above.
The application provides a method and a device for data transmission in a private network, wherein the method comprises the following steps: the user plane function network element UPF receives first data from a server; if the type of the first data is a preset type, determining target network equipment in the first network equipment and the second network equipment, wherein the data of the preset type is used for being sent to a terminal through one network equipment; and sending the first data to the terminal through the target network equipment. In the application, when the UPF transmits the downlink data of the preset type, one target network device can be selected to transmit the downlink data to the terminal, and each network device serving the terminal is not required to transmit the same downlink data to the terminal, thereby saving the resources of the network device.
Drawings
Fig. 1 is a schematic diagram of a scenario where a method for data transmission in a private network according to an embodiment of the present application is applicable;
fig. 2 is a schematic diagram of another scenario where the method for data transmission in a private network according to the embodiment of the present application is applicable;
fig. 3 is a schematic diagram of another scenario where the method for data transmission in a private network according to the embodiment of the present application is applicable;
Fig. 4 is a schematic flow chart of a method for data transmission in a private network according to an embodiment of the present application;
fig. 5 is another flow chart of a method for data transmission in a private network according to an embodiment of the present application;
fig. 6 is a schematic diagram of a method for data transmission in a private network according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a device for data transmission in a private network according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the embodiments of the present application.
The private network in the embodiment of the application can include, but is not limited to: fifth generation mobile communication technology (5th generation mobile communication technology,5G) private network, 4G private network, etc. The following description will take a 5G private network as an example. Fig. 1 is a schematic diagram of a scenario where a method for data transmission in a private network according to an embodiment of the present application is applicable. Referring to fig. 1, the private network scenario may include: terminal, network equipment, core network element and server. It should be understood that the private network scenario shown in fig. 1 does not constitute a specific limitation on the private network scenario. In other embodiments of the present application, a private network scenario may include more or fewer devices than shown, or some devices may be combined, some devices may be split, or a different arrangement of devices may be used.
In one embodiment, the number of terminals may be at least one, and one terminal is illustrated in fig. 1.
The terminal in the embodiment of the present application may be referred to as a User Equipment (UE), for example, the terminal may be a mobile phone, a tablet computer (portable android device, PAD), a personal digital assistant (personal digital assistant, PDA), a handheld device with a wireless communication function, a computing device, a wearable device, a Virtual Reality (VR) terminal device, an augmented reality (augmented reality, AR) terminal device, a wireless terminal in an industrial control (industrial control), and the form of the terminal in the embodiment of the present application is not specifically limited.
The private network is different and the network equipment is different. Illustratively, in a 5G private network, the network devices may be, but are not limited to: base station, next generation base station (which may be collectively referred to as a new generation radio access network node (NG-RAN node)). The next generation base station may include a new air interface base station (NR node b, gNB), a new generation evolved node b (NG-eNB), a Central Unit (CU), a Distributed Unit (DU), a gNB with a separate configuration, or other nodes.
The core network elements include, but are not limited to: a user plane function (user plane function, UPF) network element, an edge computation technology (mobile edge computing, MEC) network element, a 5G core network control plane (5th generation core control plane,5GC-CP) network element, and a unified data management function (unified data management, UDM) network element. In an embodiment, the core network element may further include more or fewer network elements, which is not limited by the embodiment of the present application.
The UPF is mainly responsible for routing and forwarding data packets, filtering messages, performing quality of service (quality of service, qoS) control related functions, etc. of a Data Network (DN) and a user plane. The MEC is used for deploying high-density computing, high-flow and low-delay service, and meets multiple requirements of users on safety, speed and reliability. The 5GC-CP is used for assisting in transmitting the user plane data. The UDM is used for managing control plane data and user plane data. The functions of the network elements involved in the embodiments of the present application may also refer to related descriptions in the existing 5G private network, which are not described herein.
The server may include: a server or a cluster of servers. The following examples illustrate the server side.
The following describes a data transmission process from a terminal to a server in a private network scenario with reference to the private network scenario shown in fig. 1. When the terminal transmits data to the server, the terminal can send the data to the network equipment, and after the network equipment receives the data, the network equipment can send the data from the terminal to the UPF. After the UPF receives the data, the UPF can send the data to the server. In one embodiment, the data sent by the terminal to the server may be referred to as uplink data, where the uplink data may be service data. In one embodiment, the upstream data may be transmitted in the form of data packets.
In order to ensure the reliability of data transmission in the private network, a plurality of network devices can be configured for the terminal to serve the terminal in the private network scene. By way of example, as shown in fig. 2, both the first network device and the second network device serve the terminal, and it should be understood that two network devices are illustrated in fig. 2 as examples. In one embodiment, the first network device or the second network device may be a primary network device, and the other network device is a backup network device. It should be understood that the devices in the private network involved in the embodiments of the present application are shown in fig. 2, and the MEC, 5GC-CP, and UDM are not shown.
Referring to fig. 2, the process of transmitting data from a terminal to a server may be as follows:
when transmitting data, the terminal may copy the data (shown as data packet 1 in fig. 2) into two copies. The terminal transmits one of the data to the first network device and another of the data to the second network device. The first network device may send data to the UPF after receiving the data, and similarly, the second network device may send data to the UPF after receiving the data. As such, the UPF needs to receive data from all network devices serving the terminal, e.g., the UPF may receive two identical pieces of data from the terminal. In one embodiment, the UPF may send the data received first to the server, or the UPF may select any one of the data to send to the server.
Referring to fig. 3, the process of transmitting data from a server to a terminal may be as follows:
the server sends data (data is shown as data packet 2 in fig. 3) to the UPF, which, upon receiving the data, can copy the data into multiple copies, the number of copies being the same as the data of the network device serving the terminal. The UPF may send data to each network device serving the terminal, as in fig. 3, the UPF may send a copy of the data to the first network device and a copy of the data to the second network device. After the first network device receives the data, the first network device can send the data to the terminal, and similarly, the second network device can send the data to the terminal after receiving the data. Thus, the terminal can receive two identical data, discard any data and analyze the other data.
In the process that the server sends data (namely, downlink data transmission) to the terminal, the UPF needs to send the same data to each network device serving the terminal, and each network device needs to execute the operation of forwarding the data to the terminal, so that the resources of the network device are occupied, and the processing efficiency of the network device is reduced.
In order to reduce occupation of resources of network equipment by downlink data transmission and improve processing efficiency of the network equipment, in the embodiment of the application, after receiving data from a service end, the UPF can send the data to a terminal through one network equipment, so that other network equipment serving the terminal can execute other tasks without performing operations of forwarding the data for the terminal as well.
However, in the current service scenarios, some service scenarios have high requirements on reliability of downlink data transmission, and if the mode that the UPF transmits data to the terminal through one network device in the embodiment of the present application is adopted, the reliability of downlink data transmission is reduced, which is not worth losing. Therefore, the embodiment of the application can transmit the downlink data of the type in a mode of transmitting the data to the terminal by a network device aiming at the service data with low reliability requirement of the downlink data transmission, can reduce the occupation of the downlink data transmission on the resources of the network device and improve the processing efficiency of the network device on the basis of ensuring the reliability of the downlink data transmission.
In one embodiment, the service with low reliability requirement of downlink data transmission, such as a mobile monitoring service, in this service scenario, the terminal may upload the result of artificial intelligence identification to the server, and the server feeds back data for alarming or controlling the service to the terminal. The reliability requirement of the downlink data (such as data for alarm or control) fed back by the server to the terminal is not high, so that only uplink data needs to adopt multi-link redundancy to ensure the reliability, and the downlink data can be executed in the mode of the embodiment of the application, and the specific description can be referred to in the following embodiment.
It should be understood that, in the following embodiments, the transmission of downlink data is described, and the transmission process of uplink data may be described with reference to fig. 2.
The method for transmitting data in the private network according to the embodiment of the present application is described below with reference to specific embodiments. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes. Fig. 4 is a schematic flow chart of a method for data transmission in a private network according to an embodiment of the present application. In fig. 4, a method for transmitting data in a private network provided by an embodiment of the present application is illustrated in terms of a terminal, a network device (a first network device and a second network device), a UPF, and a server interaction.
As shown in fig. 4, the method for transmitting data in a private network according to the embodiment of the present application may include:
s401, the server side sends first data to the UPF.
Correspondingly, the UPF receives first data from the server.
S402, if the type of the first data is a preset type, the UPF determines a target network device in the first network device and the second network device, and the data of the preset type is used for being sent to the terminal through one network device.
The preset type of data is data with low requirements on transmission reliability, so to speak, the preset type of data is used for being sent to the terminal through one network device, and is not required to be sent to the terminal through all network devices serving the terminal. For a preset type of data, the UPF may determine a target network device in the first network device and the second network device, and transmit the first data to the terminal through the target network device.
In one embodiment, taking the first data as an example of a data packet, the header information of the data packet may include a type of data, so that the UPF may parse the header information of the first data, thereby obtaining the type of the first data.
In one embodiment, the header information of the data packet may include a source address and a destination address. The source address may be an address of the server, and the destination address is an address of the terminal. The UPF may parse header information of the first data, determine to which terminal the data is transmitted, and further determine a type of the first data based on a service type between the terminal and the server.
The preset type may be preset. Exemplary, preset types may include, but are not limited to: data for alarm, control class data.
For example, if the data sent by the terminal to the server is service data of a mobile monitoring class, the terminal may upload a result of the artificial intelligent identification to the server, and the server feeds back data for alarming or controlling the class to the terminal, where the data for alarming or controlling the class is data of a preset type. When the UPF receives the data of the preset type from the server, the target network device may be determined in the first network device and the second network device, so as to send the data of the preset type to the terminal through the target network device.
In one embodiment, the UPF may have any one of the first network device and the second network device as the target network device. That is, the target network device may be the first network device or the second network device.
S403, the UPF sends the first data to the target network device.
And S404, the target network equipment sends the first data to the terminal.
In the prior art, a terminal may receive the same first data from a first network device and a second network device, and the terminal needs to select any one of the first data to perform operations such as parsing. In the embodiment of the application, the terminal only receives the first data from one network device (namely the target network device), and the terminal does not need to select among a plurality of first data, so that the processing steps of the terminal can be reduced, and the resources of the terminal are saved.
In the method for transmitting data in the private network provided by the embodiment of the application, the UPF receives the first data from the server, if the type of the first data is a preset type, the UPF can determine a target network device in the first network device and the second network device, and the first data is sent to the terminal through the target network device. In the embodiment of the application, when the UPF transmits the downlink data of the preset type, one target network device can be selected to transmit the downlink data to the terminal, and each network device serving the terminal does not need to transmit the same downlink data to the terminal, so that the resources of the network device are saved. In addition, the terminal only receives the first data from one network device, and the terminal does not need to select among a plurality of first data, so that the processing steps of the terminal can be reduced, and the resources of the terminal are saved.
In the above embodiments, examples are described in which the UPF may transmit the first data from the server to the terminal in the first network device and the second network device, and in one embodiment, if the network transmission quality of the target network device selected by the UPF is poor, the transmission of the first data may fail, and even the first data may be retransmitted multiple times, which results in low transmission efficiency and large delay of the first data. Therefore, in the embodiment of the application, when the target network device is selected, the UPF can select the network device with good transmission quality to transmit the first data to the terminal based on the transmission quality of the first network device and the second network device, so as to ensure the smooth transmission of the first data, improve the transmission efficiency of the first data and reduce the transmission delay of the first data.
Referring to fig. 5, a method for data transmission in a private network according to an embodiment of the present application may include:
s501, the server side sends first data to the UPF.
S501 may refer to the related description in S401, which is not described herein.
S502, if the type of the first data is a preset type, the UPF acquires the first transmission quality of the first network device and the second transmission quality of the second network device.
In the embodiment of the present application, if the type of the first data from the server is a preset type, the UPF may acquire the first transmission quality of the first network device and the second transmission quality of the second network device. In this embodiment of the present application, the UPF may obtain a score for characterizing the first transmission quality (the score characterizes the first transmission quality), and a score for characterizing the second transmission quality (the score characterizes the second transmission quality). Alternatively, the UPF may obtain a range of the first transmission quality (e.g., greater than a certain threshold, or less than a certain threshold) to obtain whether the first transmission quality is good or bad. Similarly, the UPF may obtain a range of the second transmission quality (e.g., greater than a certain threshold or less than a certain threshold) to obtain whether the second transmission quality is good or bad, so as to facilitate the UPF to determine the target network device based on the transmission quality of each network device. The specific modes can include:
The first way is:
in one embodiment, the first network device may periodically report a first transmission quality of the first network device to the UPF and the second network device may periodically report a second transmission quality of the second network device to the UPF. The first network device may acquire the first transmission quality based on a first transmission parameter of the first network device, and further report the first transmission quality to the UPF. Similarly, the second network device may acquire the second transmission quality based on the second transmission parameter of the second network device, and further report the second transmission quality to the UPF. The manner of "the first network device obtains the first transmission quality based on the first transmission parameter and the second network device obtains the second transmission quality based on the second transmission parameter" may refer to "the UPF obtains the first transmission quality based on the first transmission parameter and the UPF obtains the second transmission quality based on the second transmission parameter" in the following embodiments.
In this embodiment, the first transmission quality and the second transmission quality may both be characterized by a "range", e.g., the range of the first transmission quality is greater than the first transmission quality, which characterizes the first transmission quality as good enough to transmit data.
The second way is:
in one embodiment, the first network device may periodically report the first transmission parameters of the first network device to the UPF and the second network device may periodically report the second transmission parameters of the second network device to the UPF. Thus, the UPF may obtain the first transmission quality of the first network device based on the first transmission parameter in the preset time window, and obtain the second transmission quality of the second network device according to the second transmission parameter in the preset time window.
The following description will take "UPF obtains a first transmission quality of a first network device based on a first transmission parameter" as an example:
first, in one embodiment, the first transmission parameters include: a second sub-parameter comprising at least one of: the method comprises the steps of average transmission rate of the first network equipment, average time delay of a service terminal of the first network equipment, time delay jitter, connection success rate and resource utilization rate of the first network equipment. The UPF may obtain a first transmission quality of the first network device based on the second sub-parameter.
In one embodiment, taking an example in which the first transmission parameter includes an average transmission rate of the first network device, the UPF may determine that the first transmission quality of the first network device is greater than the first transmission quality when the average transmission rate of the first network device is greater than or equal to the first preset transmission rate. When the average transmission rate of the first network device is less than the first preset transmission rate, the UPF may determine that the first transmission quality of the first network device is less than the second transmission quality. Wherein the first transmission quality is greater than (or better than) the second transmission quality. The parameter value of the second sub-parameter in the first transmission parameter characterizes the transmission quality of the first network device.
In one embodiment, the value of the second sub-parameter has a mapping relationship with a second score characterizing the transmission quality of the first network device. For example, taking an example that the first transmission parameter includes an average transmission rate of the first network device, when the average transmission rate is within a first preset transmission rate range, the second score of the transmission quality of the first network device may be a, and when the average transmission rate is within a second preset transmission rate range, the second score of the transmission quality of the first network device may be B. Thus, the UPF may obtain a second score indicating the first transmission quality according to the value of the second sub-parameter and the mapping relationship between the value and the second score.
It should be appreciated that in such an embodiment, because the second sub-parameter may include a plurality of parameters therein, when the second sub-parameter includes a plurality of parameters therein, the second score for each parameter may be derived based on the value of each parameter and the mapping of the value of each parameter to the second score. In the embodiment of the application, the average value or the weighted average value of the second score of each parameter can be used as the second score for indicating the first transmission quality.
For example, the second sub-parameter may include an average transmission rate of the first network device and an average delay of the service terminal of the first network device, and the UPF may obtain the second score represented by the average transmission rate based on the value of the average transmission rate and a mapping relationship between the value of the average transmission rate and the second score. Similarly, the UPF may obtain a second score represented by the average delay based on the value of the average delay of the service terminal of the first network device and a mapping relationship between the value of the average delay and the second score. Further, the UPF may take as a score indicative of the first transmission quality an average (or weighted average) of the second score characterized by the average transmission rate and the second score characterized by the average delay.
Second, the first transmission parameters include: a first sub-parameter. The first sub-parameter is an alarm indication, which is an alarm indication of the transmission quality of the first network device. It should be understood that the types of alarm indications of the network devices are various, and in the embodiments of the present application, the alarm indication of the transmission quality of the first network device is mainly described. The alarm indication characterizes a low transmission quality of the first network device.
In the embodiment of the present application, the UPF may acquire the first transmission quality of the first network device based on the first sub-parameter.
In one embodiment, if the alert indication indicates that the transmission quality of the first network device is less than the second predetermined transmission quality, the transmission quality of the first network device is poor and insufficient to transmit data. If the alarm indication indicates that the transmission quality of the first network device is greater than or equal to the first preset transmission quality, the transmission quality of the first network device is good enough to transmit data. If the alarm indication indicates that the transmission quality of the first network device is smaller than the first preset transmission quality but greater than or equal to the second transmission quality, the transmission quality of the first network device is poorer, but data can be transmitted.
In one embodiment, the UPF may obtain a first score indicating a first transmission quality based on the level of the alert indication, and/or the number of alert indications. Wherein the higher the level of the alarm indication, the lower the first transmission quality is characterized.
Illustratively, taking the example that the UPF may obtain a first score indicating a first transmission quality according to the level of the alarm indication, the level of the alarm indication may be divided into three levels, "high" and "bad". If the level of the alarm indication is high (i.e. the preset highest level), the first transmission quality is poor, and the first score is low, i.e. the first score of the first network device may indicate that the first network quality is smaller than the second preset transmission quality. If the alarm indication level is "bad" (i.e. not the preset highest level), the first transmission quality is poor, and the first score is high, i.e. the first score may indicate that the first transmission quality is greater than the second preset transmission quality.
That is, when the level of the alert indication is a preset highest level, the UPF may determine that the first score of the first network device indicates that the first transmission quality is less than the second preset transmission quality.
Taking the UPF as an example, the UPF may obtain a first score for indicating the first transmission quality according to the level of the alarm indication and the number of times of the alarm indication, and when the level of the alarm indication is not the preset highest level (such as a difference), if the number of times of the alarm indication is greater than or equal to the preset number of times, the first score indicates that the first transmission quality is less than the second preset transmission quality. In other words. The level of the alarm indication is not the preset highest level, if the number of alarm indications is large (if the number of alarm indications is larger than or equal to the preset number), the first transmission quality is continuously worse, and the transmission reliability is low, so that the first score indicates that the first transmission quality is smaller than the second preset transmission quality.
Third, the UPF may obtain a first transmission quality of the first network device based on the first sub-parameter and the second sub-parameter.
In this manner, the UPF may obtain a first score indicating the first transmission quality based on the first sub-parameter, and obtain a second score indicating the first transmission quality based on the second sub-parameter. The UPF may obtain the first score and the second score by referring to the description related to the "first score and the second score" above.
The UPF may take an average of the first score and the second score as a score for indicating the first transmission quality. Alternatively, in one embodiment, the UPF may take a weighted average of the first score and the second score as a score for indicating the first transmission quality. For example, the UPF may obtain a score indicating the first transmission quality based on the first score, the weight of the first score, the second score, and the weight of the second score.
Referring to equation one, the UPF may obtain a score G indicating the first transmission quality:
G＝Q 1 ·G 1 +Q 2 ·G 2 equation one
Wherein G characterizes a score indicative of a first transmission quality, Q 1 Weights characterizing the first score, G 1 Characterizing a first score, Q 2 Characterizing the weight of the second score, G 2 The second score is characterized.
It should be understood that the UPF may obtain the second transmission quality of the second network device based on the first sub-parameter and/or the second sub-parameter in the second transmission parameter, and specific reference may be made to the description of the foregoing "one to three" and details thereof will not be described herein. That is, the UPF may obtain a range of first transmission quality and a range of second transmission quality, or the UPF may obtain a score for characterizing the first transmission quality and a score for characterizing the second transmission quality.
S503, the UPF determines a target network device in the first network device and the second network device according to the first transmission quality and the second transmission quality.
Based on the description in S502 above, the UPF may determine the network device with the highest transmission quality of the first transmission quality and the second transmission quality as the target network device. For example, when the UPF obtains a score for characterizing a first transmission quality and a score for characterizing a second transmission quality, the UPF may determine the highest scoring network device as the target network device.
Fig. 6 is a schematic diagram of a data transmission method in a private network according to an embodiment of the present application. Taking the first data as the data packet 2 as an example, referring to fig. 6, when the UPF receives the data packet 2 from the server, if the type of the data packet 2 is determined to be a preset type, the UPF may determine the target network quality of transmitting the data packet 2 according to the first transmission quality of the first network device and the second transmission quality of the second network device. For example, if the second transmission quality is higher than the first transmission quality (e.g., the score used to characterize the second transmission quality is greater than the score used to characterize the first transmission quality), the UPF may determine that the second network device is the target network device. As shown in fig. 6, the UPF may send the data packet 2 to the terminal through the second network device.
S504, the UPF sends the first data to the target network device.
S505, the target network device sends the first data to the terminal.
S504-S505 may refer to the related descriptions in S403-S404, and are not described herein.
In the embodiment of the application, when the UPF receives the first data from the server, the network device with the best transmission quality can be determined to be the target network device based on the first transmission quality of the first network device and the second transmission quality of the second network device, so that the first data can be transmitted to the terminal through the target network device, the smooth transmission of the first data can be ensured, and the transmission reliability of the first data can be improved.
Fig. 7 is a schematic structural diagram of a device for data transmission in a private network according to an embodiment of the present application. The device for data transmission in the private network may be a UPF or a chip in a UPF as in the above embodiment. As shown in fig. 7, the apparatus 700 for data transmission in the private network includes: a transceiver module 701 and a processing module 702.
The transceiver module 701 is configured to receive first data from a server.
And the processing module 702 is configured to determine the target network device from the first network device and the second network device if the type of the first data is a preset type, where the preset type of data is used for being sent to the terminal through one network device.
The transceiver module 701 is further configured to send the first data to the terminal through the target network device.
In one possible implementation, the processing module 702 is specifically configured to obtain a first transmission quality of the first network device and a second transmission quality of the second network device, and determine the target network device in the first network device and the second network device according to the first transmission quality and the second transmission quality.
In a possible implementation manner, the transceiver module 701 is further configured to receive, within a preset time window, a first transmission parameter reported from the first network device and a second transmission parameter reported from the second network device.
The processing module 702 is specifically configured to obtain a first transmission quality according to a first transmission parameter; and acquiring second transmission quality according to the second transmission parameters.
In one possible implementation, the first transmission parameter includes a first sub-parameter and a second sub-parameter, the first sub-parameter being an alarm indication, the second sub-parameter including at least one of: the alarm indication is an alarm indication of the transmission quality of the first network device.
The processing module 702 is specifically configured to obtain the first transmission quality according to the first sub-parameter and/or the second sub-parameter.
In one possible implementation, the processing module 702 is specifically configured to obtain, according to the first sub-parameter, a first score for indicating the first transmission quality; acquiring a second score for indicating the first transmission quality according to the second sub-parameter; and obtaining a score for indicating the first transmission quality according to the first score, the weight of the first score, the second score and the weight of the second score.
In one possible implementation, the processing module 702 is specifically configured to obtain a first score for indicating the first transmission quality according to the level of the alarm indication and/or the number of alarm indications.
In a possible implementation manner, the processing module 702 is specifically configured to, when the level of the alarm indication is the preset highest level, indicate that the first transmission quality is smaller than the second preset transmission quality by the first score; or when the level of the alarm indication is not the preset highest level, if the number of times of the alarm indication is greater than or equal to the preset number of times, the first score indicates that the first transmission quality is smaller than the second preset transmission quality.
In one possible implementation, the processing module 702 is specifically configured to obtain a second score for indicating the first transmission quality according to the value of the second sub-parameter and the mapping relationship between the value and the second score.
In one possible implementation, the processing module 702 is specifically configured to take, as the target network device, a network device with a highest score among the score of the first transmission quality and the score of the second transmission quality.
The data transmission device in the private network provided in this embodiment is similar to the principle and technical effects achieved by the data transmission method in the private network, and will not be described herein.
Fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application. The electronic device is a UPF as in the above embodiments. As shown in fig. 8, the electronic device 800 includes: a memory 801 and at least one processor 802.
A memory 801 for storing program instructions.
The processor 802 is configured to implement the method for data transmission in the private network in this embodiment when the program instructions are executed, and the specific implementation principle can be seen from the above embodiment, which is not described herein again.
The electronic device 800 may also include and input/output interface 803.
The input/output interface 803 may include a separate output interface and input interface, or may be an integrated interface that integrates input and output. The output interface is used for outputting data, the input interface is used for acquiring input data, the output data is the generic name output in the method embodiment, and the input data is the generic name input in the method embodiment. The input/output interface 803 is as described above for the transceiver module.
The embodiment of the application also provides a readable storage medium, wherein the readable storage medium stores execution instructions, when at least one processor of the electronic device executes the execution instructions, when the computer execution instructions are executed by the processor, the method for transmitting data in the private network in the embodiment is realized.
Embodiments of the present application also provide a program product comprising execution instructions stored in a readable storage medium. The at least one processor of the electronic device may read the execution instructions from the readable storage medium, and execution of the execution instructions by the at least one processor causes the electronic device to implement the method of data transmission in a private network provided by the various embodiments described above.
In the several embodiments provided in the embodiments of the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or modules, which may be in electrical, mechanical, or other forms.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical modules, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules can be selected according to actual needs to achieve the purpose of the embodiment of the application.
In addition, each functional module in each embodiment of the present application may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module. The integrated modules may be implemented in hardware or in hardware plus software functional modules.
In the above embodiment of the apparatus for data transmission in a private network, it should be understood that the processing module may be a central processing unit (in english: central Processing Unit, abbreviated as CPU), or may be another general purpose processor, a digital signal processor (in english: digital Signal Processor, abbreviated as DSP), an application specific integrated circuit (in english: application Specific Integrated Circuit, abbreviated as ASIC), or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in a hardware processor for execution, or in a combination of hardware and software modules in the processor for execution.
The integrated modules, which are implemented in the form of software functional modules, may be stored in a computer readable storage medium. The software functional module is stored in a storage medium, and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (english: processor) to execute some steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: u disk, mobile hard disk, read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
The term "plurality" in embodiments of the present application refers to two or more. The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship; in the formula, the character "/" indicates that the front and rear associated objects are a "division" relationship. In addition, it should be understood that in the description of the present application, the words "first," "second," and the like are used merely for distinguishing between the descriptions and not for indicating or implying any relative importance or order.
It will be appreciated that the various numerical numbers referred to in the embodiments of the present application are merely for ease of description and are not intended to limit the scope of the embodiments of the present application.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the embodiments of the present application, and are not limited thereto; although embodiments of the present application have been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (11)
1. A method for data transmission in a private network, wherein a first network device and a second network device in the private network both serve a terminal, the method being applied to a user plane function network element UPF, the method comprising:
receiving first data from a server;
if the type of the first data is a preset type, acquiring the first transmission quality of the first network equipment and the second transmission quality of the second network equipment;
Determining target network equipment in the first network equipment and the second network equipment according to the first transmission quality and the second transmission quality, wherein the data of the preset type is used for being sent to the terminal through one network equipment;
transmitting the first data to the terminal through the target network device;
and if the type of the first data is not the preset type, sending the first data to the terminal through the first network equipment and the second network equipment.
2. The method of claim 1, wherein the obtaining the first transmission quality of the first network device and the second transmission quality of the second network device comprises:
receiving a first transmission parameter reported by the first network equipment and a second transmission parameter reported by the second network equipment in a preset time window;
acquiring the first transmission quality according to the first transmission parameters;
and acquiring the second transmission quality according to the second transmission parameters.
3. The method of claim 2, wherein the first transmission parameter comprises a first sub-parameter and a second sub-parameter, the first sub-parameter being an alarm indication, the second sub-parameter comprising at least one of: the average transmission rate of the first network device, the average time delay, time delay jitter and connection success rate of the first network device serving the terminal, and the resource utilization rate of the first network device, wherein the alarm indication is an alarm indication of the transmission quality of the first network device;
The obtaining the first transmission quality according to the first transmission parameter includes:
and acquiring the first transmission quality according to the first sub-parameter and/or the second sub-parameter.
4. A method according to claim 3, wherein obtaining the first transmission quality based on the first sub-parameter and the second sub-parameter comprises:
acquiring a first score for indicating the first transmission quality according to the first sub-parameter;
acquiring a second score for indicating the first transmission quality according to the second sub-parameter;
and obtaining a score for indicating the first transmission quality according to the first score, the weight of the first score, the second score and the weight of the second score.
5. The method of claim 4, wherein the obtaining a first score indicating the first transmission quality based on the first sub-parameter comprises:
and acquiring a first score for indicating the first transmission quality according to the level of the alarm indication and/or the number of alarm indications.
6. The method according to claim 5, wherein the obtaining a first score indicating the first transmission quality according to the level of the alarm indication and/or the number of alarm indications comprises:
When the alarm indication level is a preset highest level, the first score indicates that the first transmission quality is smaller than a second preset transmission quality; or,
and when the level of the alarm indication is not the preset highest level, if the number of times of the alarm indication is greater than or equal to the preset number of times, the first score indicates that the first transmission quality is smaller than the second preset transmission quality.
7. The method of claim 4, wherein the obtaining a second score indicating the first transmission quality based on the second sub-parameter comprises:
and obtaining a second score for indicating the first transmission quality according to the value of the second sub-parameter and the mapping relation between the value and the second score.
8. The method according to any of claims 4-7, wherein said determining a target network device in the first network device and the second network device based on the first transmission quality and the second transmission quality comprises:
and taking the network device with the highest score among the scores of the first transmission quality and the second transmission quality as the target network device.
9. An apparatus for data transmission in a private network, comprising:
the receiving and transmitting module is used for receiving the first data from the server;
the processing module is used for acquiring the first transmission quality of the first network equipment and the second transmission quality of the second network equipment if the type of the first data is a preset type; determining target network equipment in the first network equipment and the second network equipment according to the first transmission quality and the second transmission quality, wherein the data of the preset type is used for being sent to a terminal through one network equipment;
the receiving and transmitting module is further configured to send the first data to a terminal through the target network device;
the transceiver module is further configured to send the first data to the terminal through the first network device and the second network device if the type of the first data is not a preset type.
10. An electronic device, comprising: at least one processor, memory, and transceiver;
the memory stores computer-executable instructions;
the at least one processor executing computer-executable instructions stored in the memory to cause the electronic device to perform the method of any one of claims 1-8;
The transceiver is used for executing the transceiving action under the control of the processor.
11. A computer readable storage medium having stored thereon computer executable instructions which, when executed by a processor, implement the method of any of claims 1-8.
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