CN117939520B - Satellite link-based adaptation degree determining method, device and storage medium - Google Patents
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Abstract
The application discloses a satellite link-based adaptation degree determining method, a satellite link-based adaptation degree determining device and a storage medium. Wherein the method comprises the following steps: determining a corresponding dirichlet allocation function according to the number of satellite links corresponding to each network slice, and determining a corresponding normalization function according to the dirichlet allocation function, wherein the normalization function is used for normalizing the numerical value of the output result of the dirichlet allocation function; generating a corresponding probability distribution function according to the first weight value corresponding to each network slice by using the normalization function; inputting second weight values corresponding to the network slices into a normalization function, and determining a first normalization function value; and determining whether the number of satellite links is adapted to the data volume of the application data packet transmitted through the corresponding network slice according to the first normalization function value using the probability distribution function.
Description
Technical Field
The present application relates to the field of satellite information transmission technologies, and in particular, to a method and apparatus for determining an adaptation degree based on a satellite link, and a storage medium.
Background
Network slicing is a network virtualization technique that allows a physical network to be divided into multiple logical, independent network slices, each of which can be customized according to different needs and use cases. Network slicing may enable more flexible and efficient management of network resources, particularly in a multi-purpose network environment, such as a 5G network, where various applications and services need to share a network infrastructure. In reality, the processing of data of different network slices requires different computing resources, such as CPU utilization, memory occupation, bandwidth utilization, and use of storage space.
Different network slices are used for different scenes and have different requirements on transmission quality. So that different types of devices deployed in each scenario are suitable for different network slices. Referring to fig. 1, different types of devices 101-10 m send corresponding data packets 1~m to the gateway station 301 via the base station 201 through corresponding network slices 401-40 m. Wherein data packet 1 is sent through network slice 401, data packet 2, … … is sent through network slice 402, and data packet m is sent through network slice 40 m.
The gateway 301 then transmits the data packet 1~m to the gateway 302 using the satellite link corresponding to the network slice 401-40 m according to the network slice to which the data packet 1~m belongs. Wherein the satellite link corresponding to the network slice 401 isSatellite link corresponding to network slice 402 is/>… … Satellite link corresponding to network slice 40m is/>。
After receiving the data packet 1~m, the gateway station 302 sends the data packet 1~m to the base station 202 through the corresponding network slice 401-40 m. Further transmissions are made by the base station 202. Thus, in this way, communication of 5G data between different areas is achieved.
Wherein each network slice is assigned a different number of satellite links, each having the same transmission rate and bandwidth. After the satellite link is allocated, the allocated satellite link is typically used to transmit the corresponding data packet. In this case, when a data packet is transmitted, the data amount of the data packet and the number of satellite links are not adapted, so that the time for transmitting the data packet through the satellite link is too long when the data amount of the data packet is large, or the satellite link usage rate is low when the data amount of the data packet is small, thereby causing waste.
Aiming at the technical problems that the transmission time of the data packet is too long or the utilization rate of the satellite link is lower caused by transmitting the data packet through the satellite link which is not matched with the data volume of the data packet because the corresponding data packet is transmitted through the pre-allocated satellite link in the prior art, no effective solution is proposed at present.
Disclosure of Invention
The embodiment of the application provides a satellite link-based adaptation degree determining method, a satellite link-based adaptation degree determining device and a storage medium, which at least solve the technical problems that in the prior art, corresponding data packets are transmitted by using a pre-allocated satellite link, so that the transmission time of the data packets is too long or the use rate of the satellite link is lower due to the fact that the data packets are transmitted by the satellite link which is not matched with the data quantity of the data packets.
According to an aspect of the embodiment of the present application, there is provided a satellite link-based adaptation degree determining method, including: determining a corresponding dirichlet allocation function according to the number of satellite links corresponding to each network slice, and determining a corresponding normalization function according to the dirichlet allocation function, wherein the normalization function is used for normalizing the numerical value of the output result of the dirichlet allocation function; generating a corresponding probability distribution function according to first weight values corresponding to the network slices by using a normalization function, wherein the first weight values are used for indicating the ratio of the data quantity of the sample data packets transmitted through the network slices; inputting second weight values corresponding to the network slices into the normalization function, and determining a first normalization function value, wherein the second weight values are used for indicating the ratio of the data quantity of application data packets transmitted through the network slices, and the application data packets are used for indicating the data packets transmitted when the normalization function is put into use; and determining whether the number of satellite links is adapted to the data volume of the application data packet transmitted through the corresponding network slice according to the first normalization function value using the probability distribution function.
According to another aspect of an embodiment of the present application, there is also provided a storage medium including a stored program, wherein the method described above is performed by a processor when the program is run.
According to another aspect of the embodiment of the present application, there is also provided an apparatus for determining an adaptation degree based on a satellite link, including: the first determining module is used for determining corresponding dirichlet allocation functions according to the number of satellite links corresponding to each network slice and determining corresponding normalization functions according to the dirichlet allocation functions, wherein the normalization functions are used for carrying out normalization processing on the numerical values of the output results of the dirichlet allocation functions; the function generation module is used for generating a corresponding probability distribution function according to first weight values corresponding to the network slices by using the normalization function, wherein the first weight values are used for indicating the ratio of the data quantity of the sample data packets transmitted through the network slices; the second determining module is used for inputting a second weight value corresponding to each network slice into the normalization function to determine a first normalization function value, wherein the second weight value is used for indicating the ratio of the data quantity of the application data packet transmitted through each network slice, and the application data packet is used for indicating the data packet actually transmitted when the normalization function is put into use; and the adaptation determining module is used for determining whether the number of the satellite links is adapted to the data volume of the application data packet transmitted through the corresponding network slice according to the first normalization function value by utilizing the probability distribution function.
According to another aspect of the embodiment of the present application, there is also provided an apparatus for determining an adaptation degree based on a satellite link, including: a processor; and a memory, coupled to the processor, for providing instructions to the processor for processing the steps of: determining a corresponding dirichlet allocation function according to the number of satellite links corresponding to each network slice, and determining a corresponding normalization function according to the dirichlet allocation function, wherein the normalization function is used for normalizing the numerical value of the output result of the dirichlet allocation function; generating a corresponding probability distribution function according to first weight values corresponding to the network slices by using a normalization function, wherein the first weight values are used for indicating the ratio of the data quantity of the sample data packets transmitted through the network slices; inputting a second weight value corresponding to each network slice into the normalization function, and determining a first normalization function value, wherein the second weight value is used for indicating the ratio of the data quantity of the application data packet transmitted through each network slice, and the application data packet is used for indicating the data packet actually transmitted when the normalization function is put into use; and determining whether the number of satellite links is adapted to the data volume of the application data packet transmitted through the corresponding network slice according to the first normalization function value using the probability distribution function.
In the embodiment of the application, before the application data packet is transmitted through the satellite link, the gateway station inputs the weight value corresponding to the application data packet into the normalization function established in advance through the number of the satellite link through the adaptation module. The normalization function is generated by normalizing the dirichlet distribution function. The adaptation module determines the adaptation degree of the data volume of the application data packet and the satellite link through the normalization function. Furthermore, the adaptation module inputs the normalized function value to a probability distribution function generated in advance by a plurality of normalized function values, thereby determining whether the adaptation degree reaches an adaptation standard by the probability distribution function. Therefore, when the adaptation degree reaches the adaptation standard, the number of the satellite links is adapted to the application data packet, and the application data packet is transmitted through the satellite links, so that the application data packet is transmitted through the satellite links with proper number, and the transmission efficiency is improved. In addition, when the adaptation degree does not reach the adaptation standard, the number of the satellite links and the data volume of the application data packet are not adapted, so that an alarm is given, and the number of the satellite links is adjusted. Therefore, before the satellite link transmits the application data packet, the technical scheme judges whether the number of the satellite link is matched with the data volume of the application data packet to be transmitted, so that the number of the satellite link is timely adjusted under the condition of discomfort, the situation that the size of the data packet and the number of the satellite link are not matched when the data packet is transmitted can be avoided, the time for transmitting the data packet through the satellite link is overlong, or the satellite link utilization rate is lower, and waste is caused is avoided. The technical problems of overlong transmission time of the data packet or lower utilization rate of the satellite link caused by the fact that the data packet is transmitted through the satellite link which is not matched with the data quantity of the data packet in the prior art are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of a prior art system for transmitting 5G data using a satellite network;
FIG. 2 is a block diagram of the hardware architecture of a computing device for implementing the method according to embodiment 1 of the application;
Fig. 3 is a schematic diagram of a satellite link-based data transmission system according to embodiment 1 of the present application;
fig. 4 is a flowchart of a satellite link-based adaptation degree determination method according to the first aspect of embodiment 1 of the present application;
FIG. 5 is a schematic diagram of a probability distribution function according to embodiment 1 of the present application;
Fig. 6 is a schematic diagram of a satellite link-based adaptation degree determining device according to embodiment 2 of the present application; and
Fig. 7 is a schematic diagram of an adaptation degree determining device based on a satellite link according to embodiment 3 of the present application.
Detailed Description
In order to enable those skilled in the art to better understand the technical solution of the present application, the technical solution of the present application in the embodiment of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present application. It will be apparent that the described embodiments are merely some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
According to the present embodiment, a method embodiment of a satellite link based adaptation degree determination method is provided, and it should be noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different from that herein.
The method embodiments provided by the present embodiments may be performed in a mobile terminal, a computer terminal, a server, or similar computing device. Fig. 2 shows a block diagram of a hardware architecture of a computing device for implementing a satellite link based adaptation level determination method. As shown in fig. 2, the computing device may include one or more processors (which may include, but are not limited to, a microprocessor MCU, a programmable logic device FPGA, etc., processing means), memory for storing data, and transmission means for communication functions. In addition, the method may further include: a display, an input/output interface (I/O interface), a Universal Serial Bus (USB) port (which may be included as one of the ports of the I/O interface), a network interface, a power supply, and/or a camera. It will be appreciated by those of ordinary skill in the art that the configuration shown in fig. 2 is merely illustrative and is not intended to limit the configuration of the electronic device described above. For example, the computing device may also include more or fewer components than shown in FIG. 2, or have a different configuration than shown in FIG. 2.
It should be noted that the one or more processors and/or other data processing circuits described above may be referred to herein generally as "data processing circuits. The data processing circuit may be embodied in whole or in part in software, hardware, firmware, or any other combination. Furthermore, the data processing circuitry may be a single stand-alone processing module, or incorporated in whole or in part into any of the other elements in the computing device. As referred to in embodiments of the application, the data processing circuit acts as a processor control (e.g., selection of the path of the variable resistor termination connected to the interface).
The memory may be used to store software programs and modules of application software, such as program instructions/data storage devices corresponding to the satellite link-based adaptation degree determining method in the embodiments of the present application, and the processor executes the software programs and modules stored in the memory, thereby executing various functional applications and data processing, that is, implementing the satellite link-based adaptation degree determining method of the application program. The memory may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some examples, the memory may further include memory remotely located with respect to the processor, which may be connected to the computing device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission means is used for receiving or transmitting data via a network. Specific examples of the network described above may include a wireless network provided by a communications provider of the computing device. In one example, the transmission means includes a network adapter (Network Interface Controller, NIC) that can be connected to other network devices via the base station to communicate with the Internet. In one example, the transmission device may be a Radio Frequency (RF) module, which is used to communicate with the internet wirelessly.
The display may be, for example, a touch screen type Liquid Crystal Display (LCD) that may enable a user to interact with a user interface of the computing device.
It should be noted herein that in some alternative embodiments, the computing device shown in FIG. 2 described above may include hardware elements (including circuitry), software elements (including computer code stored on a computer-readable medium), or a combination of both hardware and software elements. It should be noted that fig. 2 is only one example of a particular specific example and is intended to illustrate the types of components that may be present in the computing devices described above.
Fig. 3 is a schematic diagram of a data transmission system based on a satellite link according to the present embodiment. Referring to fig. 3, the system includes: the equipment is 101-10 m; base stations 201 to 202; gateway stations 301 to 302.
The devices 101-10 m are different types of devices, and send corresponding data packets 1~m to the base station 201 through corresponding network slices 401-40 m. The plurality of network slices may be, for example, 3 network slices, such as uRLLC slices, eMBB slices, and mMTC slices. Of course, more network slices can be set according to practical application, so that different network slices can meet different requirements of network transmission and computing resources.
The base station 201 is configured to send the corresponding data packet 1~m to the gateway station 301 through the network slice 401-40 m.
Gateway station 301 is configured to transmit corresponding data packets 1~m to gateway station 302 via corresponding satellite links. Wherein the gateway station 301 is provided with an adaptation module by which the gateway station 301 determines whether the number of satellite links used for transmitting the data packet 1~m is adapted to the data amount of the corresponding data packet before transmitting the data packet 1~m to the gateway station 302.
Gateway station 302 is configured to send data packet 1~m sent by gateway station 301 to base station 202, and base station 202 further transmits data packet 1~m.
It should be noted that, the above hardware structure may be applied to all the devices 101-10 m in the system.
In the above-described operation environment, according to the first aspect of the present embodiment, there is provided a satellite link-based adaptation degree determination method implemented by the gateway station 301 shown in fig. 3. Fig. 4 shows a schematic flow chart of the method, and referring to fig. 4, the method includes:
S402: determining a corresponding dirichlet allocation function according to the number of satellite links corresponding to each network slice, and determining a corresponding normalization function according to the dirichlet allocation function, wherein the normalization function is used for normalizing the numerical value of the output result of the dirichlet allocation function;
S404: generating a corresponding probability distribution function according to first weight values corresponding to the network slices by using a normalization function, wherein the first weight values are used for indicating the ratio of the data quantity of the sample data packets transmitted through the network slices;
S406: inputting a second weight value corresponding to each network slice into the normalization function, and determining a first normalization function value, wherein the second weight value is used for indicating the ratio of the data quantity of the application data packet transmitted through each network slice, and the application data packet is used for indicating the data packet actually transmitted when the normalization function is put into use; and
S408: and judging whether the number of satellite links is matched with the data quantity of the application data packet transmitted through the corresponding network slice or not according to the first normalization function value by using the probability distribution function.
Specifically, the network slices corresponding to the devices 101-10 m are respectively 401-40 m. The adaptation module of the gateway station 301 allocates a satellite link in advance for the network slices 401-40 m. For example, the adaptation module of gateway station 301 allocates k 1 satellite links, respectively satellite links, to network slice 401. The adaptation module of the gateway station 301 allocates k 2 satellite links to the network slice 402, respectively satellite links/>. By analogy, the adaptation module of gateway station 301 allocates k m satellite links for network slice 40m, respectively satellite links/>。
Further, the adaptation module of the gateway station 301 takes:
α1=k1+1；
α2=k2+1；
...
αm=km+1。
Thereby generating a corresponding dirichlet distribution function:
(equation 1)
Wherein the method comprises the steps ofAre all greater than or equal to 0, and/>，i=1~m。
Thus, the adaptation module of the gateway station 301 constructs a corresponding dirichlet allocation function according to the number of satellite links corresponding to each network slice 401-40 m.
Further, the adaptation module of the gateway station 301 performs normalization processing on the dirichlet allocation function, that is, maps the output result of the dirichlet allocation in a space of 0 to 1, so as to determine a corresponding normalization function g (x 1,x2, ...,xm).
Further, the adaptation module of the gateway station 301 obtains a weight value (i.e., a first weight value) of the data amount of the sample data packet transmitted at each time in the reference period. Wherein the adaptation module may determine the data amount of the sample data packet according to the traffic log recorded by the gateway station 301 when the sample data packet is transmitted.
More specifically, at the j-th time in the reference period, the ratio of the data amounts of the transmitted data packets (i.e., sample data packets) corresponding to the respective network slices t is w t,j. Where w t,j represents the weight value (i.e., the first weight value) corresponding to the nth network slice at the jth time instant. Where j=1 to n, n represents a total of n times in the reference period.
For example, at time 1, the weight value (i.e., the first weight value) corresponding to the 1 st network slice (i.e., network slice 401) is w 1,1; at time 1, the weight value (i.e., the first weight value) corresponding to the 2 nd network slice (i.e., network slice 402) is w 2,1; … …; at time 1, the weight value (i.e., the first weight value) corresponding to the mth network slice (i.e., network slice 40 m) is w m,1.
Further, the adaptation module of the gateway station 301 substitutes the weight value w 1,1、w2,1、...、wm,1 into the normalization function g (x 1,x2, ...,xm) to obtain a corresponding normalization function value g 1 (i.e., a second normalization function value). Wherein g 1=g(w1,1,w2,1, ...,wm,1).
Wherein the normalization function value represents the degree of adaptation of the weight value w 1,1~wm,1 with respect to the number of satellite links k 1~km corresponding to the respective network slice. The closer the value is to 1, the higher the adaptation degree is, otherwise the lower the adaptation degree is.
Further, for example, at time 2, the weight value (i.e., the first weight value) corresponding to the 1 st network slice (i.e., network slice 401) is w 1,2; at time 2, the weight value (i.e., the first weight value) corresponding to the 2 nd network slice (i.e., network slice 402) is w 2,2; … …; at time 2, the weight value (i.e., the first weight value) corresponding to the mth network slice (i.e., network slice 40 m) is w m,2.
Further, the adaptation module of the gateway station 301 substitutes the weight value w 1,2、w2,2、...、wm,2 into the normalization function g (x 1,x2, ...,xm) to obtain a corresponding normalization function value g 2 (i.e., a second normalization function value). Wherein g 2=g(w1,2,w2,2, ...,wm,2).
And so on, at the nth time instant, the weight value (i.e., the first weight value) corresponding to the 1 st network slice (i.e., network slice 401) is w 1,n; at the nth time instant, the weight value (i.e., the first weight value) corresponding to the 2 nd network slice (i.e., network slice 402) is w 2,n; … …; at the nth time instant, the weight value (i.e., the first weight value) corresponding to the mth network slice (i.e., network slice 40 m) is w m,n.
Further, the adaptation module of the gateway station 301 substitutes the weight value w 1,n、w2,n、...、wm,n into the normalization function g (x 1,x2, ...,xm) to obtain a corresponding normalization function value g n (i.e., a second normalization function value). Wherein g n=g(w1,n,w2,n, ...,wm,n).
Further, the adaptation module of the gateway station 301 determines, according to the normalization function value g 1、g2、...、gn, the mean μ and the variance σ 2 corresponding to the normalization function value (i.e., the second normalization function value):
；
。
Further, the adaptation module of the gateway station 301 determines a normal distribution (i.e. a probability distribution function) of the normalized function values based on the calculated mean μ and variance σ 2. Wherein fig. 5 shows a schematic diagram of the normal distribution curve. Wherein the abscissa axis represents the normalized function value and the ordinate axis represents the probability corresponding to the normalized function value.
Further, after the adaptation module of the gateway station 301 generates a normalization function and a probability distribution function, the normalization function and the probability distribution function are put into use, so as to determine whether the data volume of the application data packet transmitted in the application period is adapted to the number of corresponding satellite links.
More specifically, the devices 101-10 m send an application data packet 1~m to the base station 202. That is, device 101 sends application data packet 1 to base station 201 through network slice 401, and device 102 sends application data packet 2 to base station 201 through network slice 402. And so on, the device 10m sends an application data packet m to the base station 201 through the network slice 40 m.
Further, after receiving the application data packet 1~m, the base station 201 sequentially transmits the application data packet 1~m to the gateway station 301 through the corresponding network slice. That is, the base station 201 transmits the application data packet 1 to the gateway station 301 through the network slice 401, and transmits the application data packet 2 to the gateway station 301 through the network slice 402. And so on, the base station 201 transmits the application data packet m to the gateway station 301 through the network slice 40 m.
Further, after receiving the application data packet 1~m, the gateway station 301 calculates a ratio (i.e., a second weight value) of the data amount of the application data packet 1~m through the adaptation module. For example, the second weight values of the data amounts of the application data packet 1~m are ws 1、ws2、...、wsm, respectively. Thereafter, the adaptation module of the gateway station 301 substitutes the second weight value ws 1、ws2、...、wsm into the normalization function g (x 1,x2, ...,xm) to obtain a corresponding normalization function value gs (i.e., the first normalization function value). Where gs=g (ws 1,ws2, ...,wsm). Wherein the normalization function value gs represents the matching degree of the number of satellite links and the data amount of the corresponding application data packet.
The lower the normalization function value gs, the lower the degree of adaptation of the weight value ws 1~wsm with respect to the number of satellite links k 1~km corresponding to the respective network slice is explained. The higher the normalization function value gs, the higher the degree of adaptation of the weight value ws 1~wsm with respect to the number of satellite links k 1~km corresponding to the respective network slice.
Further, the adaptation module of the gateway station 301 inputs the normalized function value gs to the generated probability distribution function (i.e., normal distribution), and determines whether the normalized function value gs (i.e., the degree of adaptation) is within the adaptation standard range. Wherein when the normalized function value gs (i.e., the degree of adaptation) is within the range of the adaptation criterion, it indicates that the data amount of the application data packet is adapted to the number of satellite links. When the normalized function value gs (i.e., the degree of adaptation) is not within the adaptation standard range, it indicates that the data amount of the application data packet is not adapted to the number of satellite links.
More specifically, the adaptation module of the gateway station 301 determines the corresponding confidence intervals TL-TR according to the probability values of the ordinate of the normal distribution curve. For example, the adaptation module of the gateway station 301 determines the position of the abscissa of the set probability value (e.g., 0.8) on the normal distribution curve, and uses the position as the confidence intervals TL to TR. The adaptation module of the gateway station 301 then uses the confidence intervals TL-TR as the adaptation standard range. The set probability value may be determined according to historical data, or may be set by a worker according to actual situations, which is not particularly limited herein.
Further, the adaptation module of the gateway 301 compares the normalized function value gs with the preset confidence intervals TL-TR through the probability distribution function (i.e., normal distribution), and determines whether the normalized function value gs falls into the confidence intervals TL-TR. And when the normalized function value gs falls into the confidence interval TL-TR, the normalized function value gs is indicated to be in the adaptation standard range.
Further, when the normalized function value gs falls within the confidence interval TL-TR, the adaptation module of the gateway station 301 determines that the number k 1~km of satellite links is adapted to the weight value ws 1~wsm. That is, the number k 1~km of satellite links is adapted to the data volume of the application data packet 1~m. So that gateway station 301 transmits application data packets 1~m to gateway station 302 via the corresponding satellite link. That is, gateway station 301 is via a satellite linkApplication data packet 1 is sent to gateway station 302, gateway station 301 via satellite link/>Application data packet 2 is sent to gateway station 302. By analogy, gateway station 301 transmits via satellite link/>The application data packet m is sent to the gateway station 302.
Further, after receiving the application data packet 1~m, the gateway station 302 sends the application data packet 1~m to the base station 202 through the corresponding network slice 401-40 m, and the base station 202 further transmits the application data packet 1~m.
In addition, when the normalized function value gs does not fall within the confidence interval TL-TR, the adaptation module of the gateway station 301 determines that the number k 1~km of satellite links is not adapted to the weight value ws 1~wsm, so that the gateway station 301 alarms and notifies the staff.
Preferably, when the adaptation module of the gateway station 301 determines that the number k 1~km of satellite links is not adapted to the weight ws 1~wsm, the gateway station 301 randomly adjusts the number of satellite links corresponding to the network slices 401-40 m, to obtain the adjusted number of satellite links. The adaptation module of the gateway 301 then determines whether the number of satellite links is adapted to the data size of the application data packet 1~m according to the above-described method of determining whether the number of satellite links is adapted to the data size of the application data packet 1~m (i.e., first generating a corresponding dirichlet distribution function, then generating a corresponding normal distribution curve, then determining whether the number of satellite links is adapted to the data size of the application data packet 1~m according to the dirichlet distribution function and the normal distribution curve). If the satellite link is not matched with the application data packet 1~m, the number of the satellite links is randomly adjusted until the adjusted satellite link is matched with the application data packet 1~m. So that gateway station 301 transmits corresponding application data packets 1~m to gateway station 302 via the adapted satellite link.
As described in the background, each network slice is allocated a different number of satellite links, each of which has the same transmission rate and bandwidth. After the satellite link is allocated, the allocated satellite link is typically used to transmit the corresponding data packet. In this case, when a data packet is transmitted, the data amount of the data packet and the number of satellite links are not adapted, so that the time for transmitting the data packet through the satellite link is too long when the data amount of the data packet is large, or the satellite link usage rate is low when the data amount of the data packet is small, thereby causing waste.
According to the technical scheme provided by the embodiment of the application, before the application data packet is transmitted through the satellite link, the gateway station inputs the weight value corresponding to the application data packet into the normalization function established in advance through the number of the satellite link through the adaptation module. The normalization function is generated by normalizing the dirichlet distribution function. The adaptation module determines the adaptation degree of the data volume of the application data packet and the satellite link through the normalization function. Furthermore, the adaptation module inputs the normalized function value to a probability distribution function generated in advance by a plurality of normalized function values, thereby determining whether the adaptation degree reaches an adaptation standard by the probability distribution function. Therefore, when the adaptation degree reaches the adaptation standard, the number of the satellite links is adapted to the application data packet, and the application data packet is transmitted through the satellite links, so that the application data packet is transmitted through the satellite links with proper number, and the transmission efficiency is improved. In addition, when the adaptation degree does not reach the adaptation standard, the number of the satellite links and the data volume of the application data packet are not adapted, so that an alarm is given, and the number of the satellite links is adjusted. Therefore, before the satellite link transmits the application data packet, the technical scheme judges whether the number of the satellite link is matched with the data volume of the application data packet to be transmitted, so that the number of the satellite link is timely adjusted under the condition of discomfort, the situation that the size of the data packet and the number of the satellite link are not matched when the data packet is transmitted can be avoided, the time for transmitting the data packet through the satellite link is overlong, or the satellite link utilization rate is lower, and waste is caused is avoided. The technical problems of overlong transmission time of the data packet or lower utilization rate of the satellite link caused by the fact that the data packet is transmitted through the satellite link which is not matched with the data quantity of the data packet in the prior art are solved.
Optionally, the operation of determining the corresponding dirichlet distribution function according to the number of satellite links corresponding to each network slice includes: determining distribution parameters of a dirichlet allocation function according to the number of satellite links corresponding to each network slice; and determining a corresponding dirichlet distribution function according to the determined distribution parameters.
Specifically, with reference to the above, the adaptation module of the gateway station 301 determines the distribution parameter α 1~αm of the dirichlet distribution function according to the number k 1~km of satellite links. Then, the adaptation module constructs the dirichlet distribution function shown in formula 1 based on the distribution parameter α 1~αm.
Thus, the dirichlet function value reflects the degree of adaptation of the weight value ws 1~wsm with respect to the number k 1~km of satellite links of the respective network slice. A higher dirichlet function value indicates a higher degree of adaptation, and otherwise a lower degree of adaptation.
Optionally, the operation of determining the corresponding dirichlet distribution function according to the number of satellite links corresponding to each network slice includes: the maximum value of the output result of the dirichlet distribution function is mapped to the value 1, thereby mapping the output result of the dirichlet distribution function to the interval range of [0,1 ].
Optionally, the operation of generating the corresponding probability distribution function according to the first weight value corresponding to each network slice by using the normalization function includes: inputting a first weight value corresponding to each network slice into a normalization function, and determining a second normalization function value; calculating corresponding mean and variance according to the second normalized function value; and generating a probability distribution function according to the mean and the variance.
Optionally, the operation of determining whether the number of satellite links is adapted to the data volume of the application data packet transmitted through the corresponding network slice according to the first normalization function value using the probability distribution function includes: determining a corresponding confidence interval by using the probability distribution function; and inputting the first normalized function value into the probability distribution function, and determining that the number of satellite links is adapted to the data volume of the application data packet transmitted through the corresponding network slice if the first normalized function value falls within the confidence interval.
Optionally, the method further comprises: in the event that the first normalization function value does not fall within the confidence interval, it is determined that the number of satellite links does not match the data volume of the application data packet transmitted through the corresponding network slice.
Optionally, the method further comprises: in case the number of satellite links does not match the data volume of the application data packets transmitted via the corresponding network slice, an alarm processing is performed.
Further, referring to fig. 2, according to a second aspect of the present embodiment, there is provided a storage medium. The storage medium includes a stored program, wherein the method described above is performed by a processor when the program is run.
Thus, according to this embodiment, before transmitting the application data packet through the satellite link, the gateway station inputs the weight value corresponding to the application data packet to the normalization function established in advance through the number of satellite links through the adaptation module. The normalization function is generated by normalizing the dirichlet distribution function. The adaptation module determines the adaptation degree of the data volume of the application data packet and the satellite link through the normalization function. Furthermore, the adaptation module inputs the normalized function value to a probability distribution function generated in advance by a plurality of normalized function values, thereby determining whether the adaptation degree reaches an adaptation standard by the probability distribution function. Therefore, when the adaptation degree reaches the adaptation standard, the number of the satellite links is adapted to the application data packet, and the application data packet is transmitted through the satellite links, so that the application data packet is transmitted through the satellite links with proper number, and the transmission efficiency is improved. In addition, when the adaptation degree does not reach the adaptation standard, the number of the satellite links and the data volume of the application data packet are not adapted, so that an alarm is given, and the number of the satellite links is adjusted. Therefore, before the satellite link transmits the application data packet, the technical scheme judges whether the number of the satellite link is matched with the data volume of the application data packet to be transmitted, so that the number of the satellite link is timely adjusted under the condition of discomfort, the situation that the size of the data packet and the number of the satellite link are not matched when the data packet is transmitted can be avoided, the time for transmitting the data packet through the satellite link is overlong, or the satellite link utilization rate is lower, and waste is caused is avoided. The technical problems of overlong transmission time of the data packet or lower utilization rate of the satellite link caused by the fact that the data packet is transmitted through the satellite link which is not matched with the data quantity of the data packet in the prior art are solved.
It should be noted that, for simplicity of description, the foregoing method embodiments are all described as a series of acts, but it should be understood by those skilled in the art that the present invention is not limited by the order of acts described, as some steps may be performed in other orders or concurrently in accordance with the present invention. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present invention.
From the description of the above embodiments, it will be clear to a person skilled in the art that the method according to the above embodiments may be implemented by means of software plus the necessary general hardware platform, but of course also by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present invention.
Example 2
Fig. 6 shows a satellite link based adaptation degree determining device 600 according to the first aspect of the present embodiment, which device 600 corresponds to the method according to the first aspect of embodiment 1. Referring to fig. 6, the apparatus 600 includes: a first determining module 610, configured to determine a corresponding dirichlet allocation function according to the number of satellite links corresponding to each network slice, and determine a corresponding normalization function according to the dirichlet allocation function, where the normalization function is configured to normalize a value of an output result of the dirichlet allocation function; a function generating module 620, configured to generate a corresponding probability distribution function according to a first weight value corresponding to each network slice by using the normalization function, where the first weight value is used to indicate a ratio of data amounts of sample data packets transmitted through each network slice; a second determining module 630, configured to input a second weight value corresponding to each network slice to the normalization function, and determine a first normalization function value, where the second weight value is used to indicate a ratio of data amounts of application data packets transmitted through each network slice, and the application data packets are used to indicate data packets actually transmitted when the normalization function is put into use; and an adaptation determining module 640, configured to determine whether the number of satellite links is adapted to the data amount of the application data packet transmitted through the corresponding network slice according to the first normalization function value using the probability distribution function.
Optionally, the first determining module 610 includes: the first determining submodule is used for determining the distribution parameters of the dirichlet allocation function according to the number of satellite links corresponding to each network slice; and a second determining submodule for determining a corresponding dirichlet distribution function according to the determined distribution parameter.
Optionally, the first determining module 610 further includes: and a third determining sub-module, configured to map a maximum value of the output result of the dirichlet allocation function to a value of 1, thereby mapping the output result of the dirichlet allocation function to an interval range of [0, 1].
Optionally, the function generating module 620 includes: a fourth determining submodule, configured to input a first weight value corresponding to each network slice to the normalization function, and determine a second normalization function value; the calculating sub-module is used for calculating corresponding mean and variance according to the second normalized function value; and a function generation sub-module for generating a probability distribution function according to the mean and the variance.
Optionally, the adaptation determination module 640 includes: a fifth determining submodule, configured to determine a corresponding confidence interval using a probability distribution function; and a sixth determining sub-module for inputting the first normalized function value into the probability distribution function, and determining that the number of satellite links is adapted to the data amount of the application data packet transmitted through the corresponding network slice if the first normalized function value falls within the confidence interval.
Optionally, the apparatus 600 further comprises: and a third determining module, configured to determine that the number of satellite links is not adapted to the data volume of the application data packet transmitted through the corresponding network slice if the first normalization function value does not fall within the confidence interval.
Optionally, the apparatus 600 further comprises: and the alarm module is used for carrying out alarm processing under the condition that the number of satellite links is not matched with the data volume of the application data packet transmitted through the corresponding network slice.
Thus, according to this embodiment, before transmitting the application data packet through the satellite link, the gateway station inputs the weight value corresponding to the application data packet to the normalization function established in advance through the number of satellite links through the adaptation module. The normalization function is generated by normalizing the dirichlet distribution function. The adaptation module determines the adaptation degree of the data volume of the application data packet and the satellite link through the normalization function. Furthermore, the adaptation module inputs the normalized function value to a probability distribution function generated in advance by a plurality of normalized function values, thereby determining whether the adaptation degree reaches an adaptation standard by the probability distribution function. Therefore, when the adaptation degree reaches the adaptation standard, the number of the satellite links is adapted to the application data packet, and the application data packet is transmitted through the satellite links, so that the application data packet is transmitted through the satellite links with proper number, and the transmission efficiency is improved. In addition, when the adaptation degree does not reach the adaptation standard, the number of the satellite links and the data volume of the application data packet are not adapted, so that an alarm is given, and the number of the satellite links is adjusted. Therefore, before the satellite link transmits the application data packet, the technical scheme judges whether the number of the satellite link is matched with the data volume of the application data packet to be transmitted, so that the number of the satellite link is timely adjusted under the condition of discomfort, the situation that the size of the data packet and the number of the satellite link are not matched when the data packet is transmitted can be avoided, the time for transmitting the data packet through the satellite link is overlong, or the satellite link utilization rate is lower, and waste is caused is avoided. The technical problems of overlong transmission time of the data packet or lower utilization rate of the satellite link caused by the fact that the data packet is transmitted through the satellite link which is not matched with the data quantity of the data packet in the prior art are solved.
Example 3
Fig. 7 shows a satellite link based adaptation degree determining device 700 according to the first aspect of the present embodiment, which device 700 corresponds to the method according to the first aspect of embodiment 1. Referring to fig. 7, the apparatus 700 includes: a processor 710; and a memory 720 coupled to the processor 710 for providing instructions to the processor 710 for processing the following processing steps: determining a corresponding dirichlet allocation function according to the number of satellite links corresponding to each network slice, and determining a corresponding normalization function according to the dirichlet allocation function, wherein the normalization function is used for normalizing the numerical value of the output result of the dirichlet allocation function; generating a corresponding probability distribution function according to first weight values corresponding to the network slices by using a normalization function, wherein the first weight values are used for indicating the ratio of the data quantity of the sample data packets transmitted through the network slices; inputting a second weight value corresponding to each network slice into the normalization function, and determining a first normalization function value, wherein the second weight value is used for indicating the ratio of the data quantity of the application data packet transmitted through each network slice, and the application data packet is used for indicating the data packet actually transmitted when the normalization function is put into use; and determining whether the number of satellite links is adapted to the data volume of the application data packet transmitted through the corresponding network slice according to the first normalization function value using the probability distribution function.
Optionally, the operation of determining the corresponding dirichlet distribution function according to the number of satellite links corresponding to each network slice includes: determining distribution parameters of a dirichlet allocation function according to the number of satellite links corresponding to each network slice; and determining a corresponding dirichlet distribution function according to the determined distribution parameters.
Optionally, the operation of determining the corresponding dirichlet distribution function according to the number of satellite links corresponding to each network slice includes: the maximum value of the output result of the dirichlet distribution function is mapped to the value 1, thereby mapping the output result of the dirichlet distribution function to the interval range of [0,1 ].
Optionally, the operation of generating the corresponding probability distribution function according to the first weight value corresponding to each network slice by using the normalization function includes: inputting a first weight value corresponding to each network slice into a normalization function, and determining a second normalization function value; calculating corresponding mean and variance according to the second normalized function value; and generating a probability distribution function according to the mean and the variance.
Optionally, the operation of determining whether the number of satellite links is adapted to the data volume of the application data packet transmitted through the corresponding network slice according to the first normalization function value using the probability distribution function includes: determining a corresponding confidence interval by using the probability distribution function; and inputting the first normalized function value into the probability distribution function, and determining that the number of satellite links is adapted to the data volume of the application data packet transmitted through the corresponding network slice if the first normalized function value falls within the confidence interval.
Optionally, the memory 720 is further used to provide instructions for the processor 710 to process the following processing steps: in the event that the first normalization function value does not fall within the confidence interval, it is determined that the number of satellite links does not match the data volume of the application data packet transmitted through the corresponding network slice.
Optionally, the memory 720 is further used to provide instructions for the processor 710 to process the following processing steps: in case the number of satellite links does not match the data volume of the application data packets transmitted via the corresponding network slice, an alarm processing is performed.
Thus, according to this embodiment, before transmitting the application data packet through the satellite link, the gateway station inputs the weight value corresponding to the application data packet to the normalization function established in advance through the number of satellite links through the adaptation module. The normalization function is generated by normalizing the dirichlet distribution function. The adaptation module determines the adaptation degree of the data volume of the application data packet and the satellite link through the normalization function. Furthermore, the adaptation module inputs the normalized function value to a probability distribution function generated in advance by a plurality of normalized function values, thereby determining whether the adaptation degree reaches an adaptation standard by the probability distribution function. Therefore, when the adaptation degree reaches the adaptation standard, the number of the satellite links is adapted to the application data packet, and the application data packet is transmitted through the satellite links, so that the application data packet is transmitted through the satellite links with proper number, and the transmission efficiency is improved. In addition, when the adaptation degree does not reach the adaptation standard, the number of the satellite links and the data volume of the application data packet are not adapted, so that an alarm is given, and the number of the satellite links is adjusted. Therefore, before the satellite link transmits the application data packet, the technical scheme judges whether the number of the satellite link is matched with the data volume of the application data packet to be transmitted, so that the number of the satellite link is timely adjusted under the condition of discomfort, the situation that the size of the data packet and the number of the satellite link are not matched when the data packet is transmitted can be avoided, the time for transmitting the data packet through the satellite link is overlong, or the satellite link utilization rate is lower, and waste is caused is avoided. The technical problems of overlong transmission time of the data packet or lower utilization rate of the satellite link caused by the fact that the data packet is transmitted through the satellite link which is not matched with the data quantity of the data packet in the prior art are solved.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, such as the division of the units, is merely a logical function division, and may be implemented in another manner, for example, multiple units or components may be combined or may be 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 through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. A satellite link based adaptation degree determination method, comprising:
Determining a corresponding dirichlet allocation function according to the number of satellite links corresponding to each network slice, and determining a corresponding normalization function according to the dirichlet allocation function, wherein the normalization function is used for normalizing the numerical value of the output result of the dirichlet allocation function;
Generating a corresponding probability distribution function according to a first weight value corresponding to each network slice by using the normalization function, wherein the first weight value is used for indicating the ratio of the data quantity of the sample data packet transmitted through each network slice;
inputting a second weight value corresponding to each network slice into the normalization function, and determining a first normalization function value, wherein the second weight value is used for indicating the ratio of the data quantity of application data packets transmitted through each network slice, and the application data packets are used for indicating the data packets transmitted when the normalization function is put into use; and
And judging whether the number of the satellite links is matched with the data volume of the application data packet transmitted through the corresponding network slice or not according to the first normalization function value by utilizing the probability distribution function.
2. The method of claim 1, wherein determining the respective dirichlet allocation function based on the number of satellite links corresponding to each network slice comprises:
Determining distribution parameters of the dirichlet allocation function according to the number of satellite links corresponding to each network slice; and
And determining a corresponding dirichlet distribution function according to the determined distribution parameters.
3. The method according to claim 1, wherein the operation of normalizing the values of the output result of the dirichlet distribution function comprises:
And mapping the maximum value of the output result of the dirichlet distribution function to a value of 1, thereby mapping the output result of the dirichlet distribution function to an interval range of [0,1 ].
4. The method of claim 1, wherein generating the respective probability distribution function using the normalization function from the first weight values corresponding to the respective network slices comprises:
inputting a first weight value corresponding to each network slice into the normalization function, and determining a second normalization function value;
Calculating corresponding mean and variance according to the second normalized function value; and
And generating the probability distribution function according to the mean value and the variance.
5. The method of claim 1, wherein determining whether the number of satellite links matches the data volume of the application data packets transmitted through the corresponding network slice based on the first normalized function value using the probability distribution function comprises:
Determining a corresponding confidence interval by utilizing the probability distribution function; and
And inputting the first normalization function value into the probability distribution function, and judging that the number of the satellite links is suitable for the data quantity of the application data packet transmitted through the corresponding network slice under the condition that the first normalization function value falls into the confidence interval.
6. The method as recited in claim 5, further comprising: in the event that the first normalization function value does not fall within the confidence interval, a determination is made that the number of satellite links does not match the data volume of the application data packet transmitted through the corresponding network slice.
7. The method as recited in claim 6, further comprising: and carrying out alarm processing under the condition that the number of the satellite links is not matched with the data quantity of the application data packet transmitted through the corresponding network slice.
8. A storage medium comprising a stored program, wherein the method of any one of claims 1 to 7 is performed by a processor when the program is run.
9. An adaptation degree determining device based on a satellite link, comprising:
The first determining module is used for determining corresponding dirichlet allocation functions according to the number of satellite links corresponding to each network slice, and determining corresponding normalization functions according to the dirichlet allocation functions, wherein the normalization functions are used for carrying out normalization processing on the numerical values of the output results of the dirichlet allocation functions;
a function generating module, configured to generate a corresponding probability distribution function according to a first weight value corresponding to each network slice by using the normalization function, where the first weight value is used to indicate a ratio of data amounts of sample data packets transmitted through each network slice;
A second determining module, configured to input a second weight value corresponding to each network slice to the normalization function, and determine a first normalization function value, where the second weight value is used to indicate a ratio of data amounts of application data packets transmitted through each network slice, and the application data packets are used to indicate data packets actually transmitted when the normalization function is put into use; and
And the adaptation determining module is used for determining whether the number of the satellite links is adapted to the data volume of the application data packet transmitted through the corresponding network slice according to the first normalization function value by utilizing the probability distribution function.
10. An adaptation degree determining device based on a satellite link, comprising:
A processor; and
A memory, coupled to the processor, for providing instructions to the processor to process the following processing steps:
Determining a corresponding dirichlet allocation function according to the number of satellite links corresponding to each network slice, and determining a corresponding normalization function according to the dirichlet allocation function, wherein the normalization function is used for normalizing the numerical value of the output result of the dirichlet allocation function;
Generating a corresponding probability distribution function according to a first weight value corresponding to each network slice by using the normalization function, wherein the first weight value is used for indicating the ratio of the data quantity of the sample data packet transmitted through each network slice;
inputting a second weight value corresponding to each network slice into the normalization function, and determining a first normalization function value, wherein the second weight value is used for indicating the ratio of the data quantity of application data packets transmitted through each network slice, and the application data packets are used for indicating the data packets actually transmitted when the normalization function is put into use; and
And judging whether the number of the satellite links is matched with the data volume of the application data packet transmitted through the corresponding network slice or not according to the first normalization function value by utilizing the probability distribution function.
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