CN112532347A - Link adaptation method, device, equipment and storage medium based on transmission effect - Google Patents
Link adaptation method, device, equipment and storage medium based on transmission effect Download PDFInfo
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- CN112532347A CN112532347A CN202011212051.2A CN202011212051A CN112532347A CN 112532347 A CN112532347 A CN 112532347A CN 202011212051 A CN202011212051 A CN 202011212051A CN 112532347 A CN112532347 A CN 112532347A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0041—Arrangements at the transmitter end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
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Abstract
The embodiment of the application discloses a link self-adaption method, a device, equipment and a storage medium based on transmission effect. According to the technical scheme provided by the embodiment of the application, the data transmission effects of different data types under different combinations of communication channels and transmission parameters are recorded, when data are required to be sent to the user terminal, the combinations of the communication channels and the transmission parameters are sorted according to the data transmission effects corresponding to the data types of the data to be transmitted, the appropriate combinations of the communication channels and the transmission parameters are selected according to the sorting results and the channel occupancy rates of the communication channels, the quality of data transmission is improved, the combinations of the communication channels and the transmission parameters are selected according to different data transmission effect expectations, and the flexibility of link self-adaption is effectively improved.
Description
Technical Field
The embodiment of the application relates to the technical field of link adaptation, in particular to a link adaptation method, a device, equipment and a storage medium based on transmission effect.
Background
The physical layer of the internet of things supports a link adaptation technology, and in order to optimize system capacity and coverage at a certain transmission power, a transmitter should match a data transmission rate and received signal quality, the optimization is called link adaptation, that is, channel variation requires adaptive adjustment of transmission parameters.
Generally, the link adaptation is performed directly according to the channel environment, and the flexibility of the link adaptation is poor.
Disclosure of Invention
The embodiment of the application provides a link adaptation method, a device, equipment and a storage medium based on a transmission effect so as to improve the flexibility of link adaptation.
In a first aspect, an embodiment of the present application provides a link adaptation method based on a transmission effect, including:
recording data transmission effects of different data types under different communication channels and combinations of transmission parameters to form a transmission effect recording table, wherein the transmission parameters comprise a modulation mode, a coding mode, redundant information and transmission power;
based on the transmission effect record table, sorting combinations of different communication channels and transmission parameters according to data transmission effects corresponding to the data types of the data to be transmitted to obtain sorting results;
and selecting a combination of a communication channel and a transmission parameter based on the sorting result and the channel occupancy rate of each communication channel, and transmitting the data to be transmitted in the communication channel based on the transmission parameter.
Further, the recording the data transmission effect of different data types under the combination of different communication channels and transmission parameters to form a transmission effect recording table, including:
transmitting test files of different data types to the test terminal through each communication channel according to different transmission parameters;
determining the data transmission effect of the combination of each communication channel and the transmission parameter on different data types according to the setting effect parameters, and forming a transmission effect record table, wherein the setting effect parameters comprise one or more combinations of block error rate, burst error and throughput.
Further, the sorting, based on the transmission effect record table, the combinations of different communication channels and transmission parameters according to the data transmission effect corresponding to the data type of the data to be transmitted to obtain a sorting result, including:
determining the data type of the data to be transmitted, and determining the data transmission effect corresponding to the combination of the data type in different communication channels and transmission parameters according to the transmission effect record table;
and sequencing the combinations of different communication channels and transmission parameters according to the sequence of the data transmission effect from large to small to obtain a sequencing result.
Further, the selecting a combination of a communication channel and a transmission parameter based on the sorting result and the channel occupancy of each communication channel includes:
screening out a plurality of combinations of communication channels and transmission parameters based on the sorting result;
and determining the channel occupancy rate of each communication channel in the screened combinations of the communication channels and the transmission parameters, and selecting the combination of the communication channel with the lowest channel occupancy rate and the transmission parameters.
Further, after the transmitting the data to be transmitted in the communication channel based on the transmission parameter, the method further includes:
and determining the data transmission effect of the data to be transmitted, and updating a transmission effect recording table based on the data transmission effect when the data transmission effect does not meet the preset effect requirement.
Further, the selecting a combination of a communication channel and a transmission parameter based on the sorting result and the channel occupancy of each communication channel includes:
screening out a plurality of combinations of the communication channels and the transmission parameters which are ranked in the front and have confidence degrees meeting the set confidence requirements based on the ranking results, wherein the confidence degrees are used for representing the combined reliability degrees of the communication channels and the transmission parameters;
and determining the channel occupancy rate of each communication channel in the screened combinations of the communication channels and the transmission parameters, and selecting the combination of the communication channel with the lowest channel occupancy rate and the transmission parameters.
Further, after the transmitting the data to be transmitted in the communication channel based on the transmission parameter, the method further includes:
and determining the data transmission effect of the data to be transmitted, and updating the confidence coefficient of the combination of the corresponding communication channel and the transmission parameter based on the data transmission effect.
In a second aspect, an embodiment of the present application provides a link adaptation device based on transmission effects, including an effect recording module, an effect sorting module, a parameter determining module, and a data transmission module, where:
the effect recording module is used for recording data transmission effects of different data types under the combination of different communication channels and transmission parameters to form a transmission effect recording table, wherein the transmission parameters comprise a modulation mode, a coding mode, redundant information and transmitting power;
the effect sorting module is used for sorting combinations of different communication channels and transmission parameters according to the data transmission effect corresponding to the data type of the data to be transmitted based on the transmission effect record table to obtain a sorting result;
a parameter determination module for selecting a combination of a communication channel and a transmission parameter based on the sorting result and the channel occupancy rate of each communication channel;
and the data transmission module is used for transmitting the data to be transmitted in the communication channel based on the transmission parameters.
Further, the effect recording module is specifically configured to:
transmitting test files of different data types to the test terminal through each communication channel according to different transmission parameters;
determining the data transmission effect of the combination of each communication channel and the transmission parameter on different data types according to the setting effect parameters, and forming a transmission effect record table, wherein the setting effect parameters comprise one or more combinations of block error rate, burst error and throughput.
Further, the effect sorting module is specifically configured to:
determining the data type of the data to be transmitted, and determining the data transmission effect corresponding to the combination of the data type in different communication channels and transmission parameters according to the transmission effect record table;
and sequencing the combinations of different communication channels and transmission parameters according to the sequence of the data transmission effect from large to small to obtain a sequencing result.
Further, the parameter determining module is specifically configured to:
screening out a plurality of combinations of communication channels and transmission parameters based on the sorting result;
and determining the channel occupancy rate of each communication channel in the screened combinations of the communication channels and the transmission parameters, and selecting the combination of the communication channel with the lowest channel occupancy rate and the transmission parameters.
Further, the apparatus further includes a record updating module, configured to, after the data transmission module transmits the data to be transmitted in the communication channel based on the transmission parameter:
and determining the data transmission effect of the data to be transmitted, and updating a transmission effect recording table based on the data transmission effect when the data transmission effect does not meet the preset effect requirement.
Further, the parameter determining module is specifically configured to:
screening out a plurality of combinations of the communication channels and the transmission parameters which are ranked in the front and have confidence degrees meeting the set confidence requirements based on the ranking results, wherein the confidence degrees are used for representing the combined reliability degrees of the communication channels and the transmission parameters;
and determining the channel occupancy rate of each communication channel in the screened combinations of the communication channels and the transmission parameters, and selecting the combination of the communication channel with the lowest channel occupancy rate and the transmission parameters.
Further, the apparatus further includes a confidence update module configured to, after the data transmission module transmits the data to be transmitted in the communication channel based on the transmission parameter:
and determining the data transmission effect of the data to be transmitted, and updating the confidence coefficient of the combination of the corresponding communication channel and the transmission parameter based on the data transmission effect.
In a third aspect, an embodiment of the present application provides a computer device, including: a memory and one or more processors;
the memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the transmission effect-based link adaptation method as described in the first aspect.
In a fourth aspect, embodiments of the present application provide a storage medium containing computer-executable instructions for performing the transmission effect-based link adaptation method according to the first aspect when executed by a computer processor.
According to the embodiment of the application, the data transmission effects of different data types under different combinations of communication channels and transmission parameters are recorded, when data are required to be sent to the user terminal, the combinations of the communication channels and the transmission parameters are sorted according to the data transmission effects corresponding to the data types of the data to be transmitted, the appropriate combinations of the communication channels and the transmission parameters are selected according to the sorting results and the channel occupancy rates of the communication channels, the quality of data transmission is improved, the combinations of the communication channels and the transmission parameters are selected according to the expectation of different data transmission effects, and the flexibility of link self-adaptation is effectively improved.
Drawings
Fig. 1 is a flowchart of a link adaptation method based on transmission effect according to an embodiment of the present application;
fig. 2 is a flowchart of another link adaptation method based on transmission effect according to an embodiment of the present application;
fig. 3 is a flowchart of another link adaptation method based on transmission effect according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a link adaptation apparatus based on transmission effect according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a computer device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, specific embodiments of the present application will be described in detail with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present application are shown in the drawings. Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently or simultaneously. In addition, the order of the operations may be re-arranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Fig. 1 is a flowchart of a link adaptation method based on transmission effect according to an embodiment of the present disclosure, where the link adaptation method based on transmission effect according to the embodiment of the present disclosure may be executed by a link adaptation apparatus based on transmission effect, and the link adaptation apparatus based on transmission effect may be implemented by hardware and/or software and integrated in a computer device.
The following description will be given taking as an example a method in which a transmission effect-based link adaptation apparatus performs transmission effect-based link adaptation. Referring to fig. 1, the link adaptation method based on transmission effect includes:
s101: and recording the data transmission effect of different data types under the combination of different communication channels and transmission parameters to form a transmission effect recording table.
The transmission parameters provided by this embodiment include a modulation scheme, a coding scheme, redundant information, and transmission power.
Illustratively, based on different communication channels and combinations of transmission parameters, test files of different data types are sent to the test terminal, that is, for each communication channel, test files of different data types are sent to the test terminal according to different transmission parameters, and data transmission effects corresponding to the data types under different combinations of communication channels and transmission parameters are determined, and corresponding relations among different data types, communication channels, transmission parameters, data transmission effects and the like are recorded, so as to form a transmission effect recording table.
S102: and based on the transmission effect recording table, sorting combinations of different communication channels and transmission parameters according to the data transmission effect corresponding to the data type of the data to be transmitted to obtain a sorting result.
Illustratively, when data needs to be sent to the user terminal, the data type of the data to be transmitted is determined, the data transmission effect corresponding to the data type under the combination of different communication channels and transmission parameters is determined based on the transmission effect record table, and bubble sorting is performed on the combination of the different communication channels and the transmission parameters according to the data transmission effect, so as to obtain a sorting result.
S103: and selecting a combination of a communication channel and a transmission parameter based on the sorting result and the channel occupancy rate of each communication channel, and transmitting the data to be transmitted in the communication channel based on the transmission parameter.
Illustratively, after determining a sorting result corresponding to the data type of the data to be transmitted, acquiring the channel occupancy rates of the communication channels, and selecting a combination of the communication channel with a front data transmission effect and a rear channel occupancy rate in the communication channel with the front data transmission effect and the transmission parameters according to the sorting result and the channel occupancy rates of the communication channels.
Further, after selecting a combination of a communication channel and a transmission parameter, the data to be transmitted is transmitted to the user terminal in the corresponding communication channel based on the corresponding transmission parameter based on the combination of the communication channel and the transmission parameter.
The data transmission effects of different data types under different combinations of communication channels and transmission parameters are recorded, when data are required to be sent to the user terminal, the combinations of the communication channels and the transmission parameters are sorted according to the data transmission effects corresponding to the data types of the data to be transmitted, a proper combination of the communication channels and the transmission parameters is selected according to the sorting result and the channel occupancy rate of the communication channels, the quality of data transmission is improved, the combinations of the communication channels and the transmission parameters are selected according to different expected data transmission effects, and the flexibility of link self-adaptation is effectively improved.
On the basis of the foregoing embodiments, fig. 2 is a flowchart of another transmission effect-based link adaptation method provided in an embodiment of the present application, where the transmission effect-based link adaptation method is an embodiment of the transmission effect-based link adaptation method. Referring to fig. 2, the link adaptation method based on transmission effect includes:
s201: and transmitting the test files with different data types to the test terminal through each communication channel according to different transmission parameters.
S202: and determining the data transmission effect of the combination of each communication channel and the transmission parameter on different data types according to the set effect parameters, and forming a transmission effect recording table.
The transmission parameters include a modulation mode, a coding mode, redundant information and transmission power. The setting effect parameter may be represented by a combination of one or more of a Block Error Rate (BLER, Block Error Rate), a throughput, and a Burst Error (Burst Error).
Specifically, according to the combination of different transmission parameters, test files of different data types are sent to the test terminal in each communication channel for multiple times, and after the test terminal receives the test files, the set effect parameters are determined based on the receiving condition of the test files and are uploaded to the link adaptive device.
Further, after receiving the setting effect parameters uploaded by the test terminal, determining the data transmission effect of the combination of each communication channel and the transmission parameters on different data types according to the setting effect parameters.
In one possible embodiment, the data transmission effect may be determined directly according to a single type of effect parameter in the set effect parameters, for example, directly taking the inverse of the block error rate or the inverse of the burst error as the data transmission effect.
In a possible embodiment, the data transmission effect may also be calculated according to the weights of different effect parameters, for example, assuming that the weighted values of the block error rate, the throughput and the burst error are a1, a2 and a3 respectively, the data transmission effect corresponds to the scores: the data transmission effect is a 1/block error rate + a2 throughput + a 3/burst error, wherein the larger the score value corresponding to the data transmission effect, the better the data transmission effect.
Further, after determining the data transmission effect corresponding to each combination of the communication channel and the transmission parameter corresponding to each data type, recording the corresponding relationship among the data type, the communication channel, the data transmission parameter and the data transmission effect to form a transmission effect recording table.
S203: and determining the data type of the data to be transmitted, and determining the data transmission effect corresponding to the combination of the data type in different communication channels and transmission parameters according to the transmission effect record table.
Specifically, when data needs to be sent to the user terminal, the data type of the data to be transmitted is determined, and the data transmission effect corresponding to the combination of the transmission parameter and the different communication channels where the data type is located is searched in the transmission effect recording table.
S204: and sequencing the combinations of different communication channels and transmission parameters according to the sequence of the data transmission effect from large to small to obtain a sequencing result.
Specifically, after a plurality of data transmission effects corresponding to the data types of the data to be transmitted are obtained, bubble sorting is performed on the combinations of the communication channels and the transmission parameters according to the size of the data transmission effects and the size sequence, and a sorting result is obtained.
It is understood that the greater the score of the data transmission effect, the more forward the order of the combination of the corresponding communication channel and transmission parameters.
S205: and screening out a plurality of combinations of communication channels and transmission parameters based on the sorting result.
After the ranking results of the combinations of the communication channels and the transmission parameters are obtained, a plurality of (for example, 5) combinations of the communication channels and the transmission parameters ranked at the top are screened out as candidates.
S206: and determining the channel occupancy rate of each communication channel in the screened combinations of the communication channels and the transmission parameters, and selecting the combination of the communication channel with the lowest channel occupancy rate and the transmission parameters.
Specifically, after the candidate combinations of communication channels and transmission parameters are screened out, the occupancy rates of the screened communication channels are detected, and the combination of the communication channel with the lowest occupancy rate and the transmission parameter is used as the communication channel and the transmission parameter used for transmitting data to the user terminal.
S207: transmitting the data to be transmitted in the communication channel based on the transmission parameters.
In a possible embodiment, after the data to be transmitted is transmitted in the communication channel based on the transmission parameter, the transmission effect record table may be updated according to a data transmission effect of the data to be transmitted that is sent this time. The method specifically comprises the following steps: and determining the data transmission effect of the data to be transmitted, and updating a transmission effect recording table based on the data transmission effect when the data transmission effect does not meet the preset effect requirement.
Specifically, after the data to be transmitted is sent to the user terminal, each setting effect parameter fed back by the user terminal is obtained, and the data transmission effect of the combination of the current communication channel and the transmission parameter is determined according to the setting effect parameter (refer to step S202).
And further, comparing the score of the current data transmission effect with the score set by the preset effect requirement, and when the score of the current data transmission effect is smaller than the score set by the preset effect requirement, considering that the current data transmission effect does not meet the preset effect requirement, performing covering modification on the data transmission effect corresponding to the combination of the data type, the communication channel and the transmission parameter according to the new data transmission effect, thereby updating the transmission effect record table.
The data transmission effects of different data types under different combinations of communication channels and transmission parameters are recorded, when data are required to be sent to the user terminal, the combinations of the communication channels and the transmission parameters are sorted according to the data transmission effects corresponding to the data types of the data to be transmitted, a proper combination of the communication channels and the transmission parameters is selected according to the sorting result and the channel occupancy rate of the communication channels, the quality of data transmission is improved, the combinations of the communication channels and the transmission parameters are selected according to different expected data transmission effects, and the flexibility of link self-adaptation is effectively improved. Meanwhile, the transmission effect recording table is updated according to the data transmission effect, and the quality of data transmission is effectively guaranteed.
On the basis of the foregoing embodiments, fig. 3 is a flowchart of another transmission effect-based link adaptation method provided in an embodiment of the present application, where the transmission effect-based link adaptation method is an embodiment of the transmission effect-based link adaptation method. Referring to fig. 3, the link adaptation method based on transmission effect includes:
s301: and recording the data transmission effect of different data types under the combination of different communication channels and transmission parameters.
S302: and based on the transmission effect recording table, sorting combinations of different communication channels and transmission parameters according to the data transmission effect corresponding to the data type of the data to be transmitted to obtain a sorting result.
S303: and screening out a plurality of combinations of communication channels and transmission parameters which are ranked in the front and have confidence degrees meeting the set confidence requirement based on the ranking result.
The confidence is used for representing the reliability of the combination of the communication channel and the transmission parameter, and the initial confidence of the combination of each communication channel and the transmission parameter is the same.
Specifically, after the ranking result of the combination of each communication channel and transmission parameter is obtained, the combination of a plurality of communication channels and transmission parameters which are ranked at the top and whose confidence degrees meet the set confidence requirement is screened out as a candidate.
S304: and determining the channel occupancy rate of each communication channel in the screened combinations of the communication channels and the transmission parameters, and selecting the combination of the communication channel with the lowest channel occupancy rate and the transmission parameters.
Further, the occupancy rates of the respective screened communication channels are detected, and the combination of the communication channel with the lowest occupancy rate and the transmission parameter is used as the communication channel and the transmission parameter used for transmitting data to the user terminal.
S305: transmitting the data to be transmitted in the communication channel based on the transmission parameters.
S306: and determining the data transmission effect of the data to be transmitted, and updating the confidence coefficient of the combination of the corresponding communication channel and the transmission parameter based on the data transmission effect.
Specifically, after the data to be transmitted is sent to the user terminal, each setting effect parameter fed back by the user terminal is obtained, and the data transmission effect of the combination of the current communication channel and the transmission parameter is determined according to the setting effect parameter.
And further, comparing the value of the current data transmission effect with the value set by the preset effect requirement, when the value of the current data transmission effect is smaller than the value set by the preset effect requirement, and considering that the current data transmission effect does not meet the preset effect requirement, performing subtraction operation on the confidence coefficient of the combination of the corresponding communication channel and the transmission parameter according to a first set amplitude, otherwise, performing subtraction operation on the confidence coefficient of the combination of the corresponding communication channel and the transmission parameter according to a second set amplitude, wherein the first set amplitude is larger than the second set amplitude.
The data transmission effects of different data types under different combinations of communication channels and transmission parameters are recorded, when data are required to be sent to the user terminal, the combinations of the communication channels and the transmission parameters are sorted according to the data transmission effects corresponding to the data types of the data to be transmitted, a proper combination of the communication channels and the transmission parameters is selected according to the sorting result and the channel occupancy rate of the communication channels, the quality of data transmission is improved, the combinations of the communication channels and the transmission parameters are selected according to different expected data transmission effects, and the flexibility of link self-adaptation is effectively improved. Meanwhile, the confidence coefficient of the combination of the communication channel and the transmission parameter is updated according to the data transmission effect, and the quality of data transmission is effectively guaranteed.
Fig. 4 is a schematic structural diagram of a link adaptation apparatus based on a transmission effect according to an embodiment of the present application. Referring to fig. 4, the link adaptation apparatus based on transmission effect includes an effect recording module 41, an effect sorting module 42, a parameter determination module 43, and a data transmission module 44.
The effect recording module 41 is configured to record data transmission effects of different data types under combinations of different communication channels and transmission parameters to form a transmission effect recording table, where the transmission parameters include a modulation mode, a coding mode, redundant information, and transmission power; the effect sorting module 42 is configured to sort, based on the transmission effect record table, combinations of different communication channels and transmission parameters according to a data transmission effect corresponding to a data type of data to be transmitted, so as to obtain a sorting result; a parameter determining module 43, configured to select a combination of a communication channel and a transmission parameter based on the sorting result and the channel occupancy of each communication channel; a data transmission module 44, configured to transmit the data to be transmitted in the communication channel based on the transmission parameter.
The data transmission effects of different data types under different combinations of communication channels and transmission parameters are recorded, when data are required to be sent to the user terminal, the combinations of the communication channels and the transmission parameters are sorted according to the data transmission effects corresponding to the data types of the data to be transmitted, a proper combination of the communication channels and the transmission parameters is selected according to the sorting result and the channel occupancy rate of the communication channels, the quality of data transmission is improved, the combinations of the communication channels and the transmission parameters are selected according to different expected data transmission effects, and the flexibility of link self-adaptation is effectively improved.
In a possible embodiment, the effect recording module 41 is specifically configured to:
transmitting test files of different data types to the test terminal through each communication channel according to different transmission parameters;
determining the data transmission effect of the combination of each communication channel and the transmission parameter on different data types according to the setting effect parameters, and forming a transmission effect record table, wherein the setting effect parameters comprise one or more combinations of block error rate, burst error and throughput.
In a possible embodiment, the effect ranking module 42 is specifically configured to:
determining the data type of the data to be transmitted, and determining the data transmission effect corresponding to the combination of the data type in different communication channels and transmission parameters according to the transmission effect record table;
and sequencing the combinations of different communication channels and transmission parameters according to the sequence of the data transmission effect from large to small to obtain a sequencing result.
In a possible embodiment, the parameter determining module 43 is specifically configured to:
screening out a plurality of combinations of communication channels and transmission parameters based on the sorting result;
and determining the channel occupancy rate of each communication channel in the screened combinations of the communication channels and the transmission parameters, and selecting the combination of the communication channel with the lowest channel occupancy rate and the transmission parameters.
In one possible embodiment, the apparatus further comprises a record updating module, configured to, after the data transmission module 44 transmits the data to be transmitted in the communication channel based on the transmission parameter:
and determining the data transmission effect of the data to be transmitted, and updating a transmission effect recording table based on the data transmission effect when the data transmission effect does not meet the preset effect requirement.
In a possible embodiment, the parameter determining module 43 is specifically configured to:
screening out a plurality of combinations of the communication channels and the transmission parameters which are ranked in the front and have confidence degrees meeting the set confidence requirements based on the ranking results, wherein the confidence degrees are used for representing the combined reliability degrees of the communication channels and the transmission parameters;
and determining the channel occupancy rate of each communication channel in the screened combinations of the communication channels and the transmission parameters, and selecting the combination of the communication channel with the lowest channel occupancy rate and the transmission parameters.
In one possible embodiment, the apparatus further comprises a confidence update module for, after the data transmission module 44 transmits the data to be transmitted in the communication channel based on the transmission parameter:
and determining the data transmission effect of the data to be transmitted, and updating the confidence coefficient of the combination of the corresponding communication channel and the transmission parameter based on the data transmission effect.
The embodiment of the present application further provides a computer device, and the computer device may integrate the link adaptation device based on the transmission effect provided in the embodiment of the present application. Fig. 5 is a schematic structural diagram of a computer device according to an embodiment of the present application. Referring to fig. 5, the computer apparatus includes: an input device 53, an output device 54, a memory 52, and one or more processors 51; the memory 52 for storing one or more programs; when executed by the one or more processors 51, cause the one or more processors 51 to implement the transmission effect-based link adaptation method provided in the above-described embodiments. Wherein the input device 53, the output device 54, the memory 52 and the processor 51 may be connected by a bus or other means, as exemplified by the bus connection in fig. 5.
The memory 52 is a computer-readable storage medium, and can be used for storing software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the link adaptation method based on transmission effect according to any embodiment of the present application (for example, the effect recording module 41, the effect sorting module 42, the parameter determining module 43, and the data transmission module 44 in the link adaptation device based on transmission effect). The memory 52 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of the device, and the like. Further, the memory 52 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 52 may further include memory located remotely from the processor 51, which may be connected to the device over 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 input device 53 may be used to receive input numeric or character information and generate key signal inputs relating to user settings and function control of the apparatus. The output device 54 may include a display device such as a display screen.
The processor 51 executes various functional applications of the device and data processing, i.e., implements the above-described link adaptation method based on the transmission effect, by executing software programs, instructions, and modules stored in the memory 52.
The transmission effect-based link adaptation device, the equipment and the computer provided by the above can be used for executing the transmission effect-based link adaptation method provided by any of the above embodiments, and have corresponding functions and advantages.
Embodiments of the present application further provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform the transmission effect-based link adaptation method provided in the foregoing embodiments, the transmission effect-based link adaptation method including: recording data transmission effects of different data types under different communication channels and combinations of transmission parameters to form a transmission effect recording table, wherein the transmission parameters comprise a modulation mode, a coding mode, redundant information and transmission power; based on the transmission effect record table, sorting combinations of different communication channels and transmission parameters according to data transmission effects corresponding to the data types of the data to be transmitted to obtain sorting results; and selecting a combination of a communication channel and a transmission parameter based on the sorting result and the channel occupancy rate of each communication channel, and transmitting the data to be transmitted in the communication channel based on the transmission parameter.
Storage medium-any of various types of memory devices or storage devices. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in a first computer system in which the program is executed, or may be located in a different second computer system connected to the first computer system through a network (such as the internet). The second computer system may provide program instructions to the first computer for execution. The term "storage medium" may include two or more storage media that may reside in different locations, such as in different computer systems that are connected by a network. The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Of course, the storage medium provided in the embodiments of the present application contains computer-executable instructions, and the computer-executable instructions are not limited to the transmission effect-based link adaptation method described above, and may also perform related operations in the transmission effect-based link adaptation method provided in any embodiment of the present application.
The link adaptation device, the apparatus, and the storage medium based on transmission effect provided in the foregoing embodiments may perform the link adaptation method based on transmission effect provided in any embodiment of the present application, and refer to the link adaptation method based on transmission effect provided in any embodiment of the present application without detailed technical details described in the foregoing embodiments.
The foregoing is considered as illustrative of the preferred embodiments of the invention and the technical principles employed. The present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the claims.
Claims (10)
1. A link adaptation method based on transmission effect is characterized by comprising the following steps:
recording data transmission effects of different data types under different communication channels and combinations of transmission parameters to form a transmission effect recording table, wherein the transmission parameters comprise a modulation mode, a coding mode, redundant information and transmission power;
based on the transmission effect record table, sorting combinations of different communication channels and transmission parameters according to data transmission effects corresponding to the data types of the data to be transmitted to obtain sorting results;
and selecting a combination of a communication channel and a transmission parameter based on the sorting result and the channel occupancy rate of each communication channel, and transmitting the data to be transmitted in the communication channel based on the transmission parameter.
2. The link adaptation method based on transmission effect according to claim 1, wherein the recording the data transmission effect of different data types under different combinations of communication channels and transmission parameters to form a transmission effect recording table comprises:
transmitting test files of different data types to the test terminal through each communication channel according to different transmission parameters;
determining the data transmission effect of the combination of each communication channel and the transmission parameter on different data types according to the setting effect parameters, and forming a transmission effect record table, wherein the setting effect parameters comprise one or more combinations of block error rate, burst error and throughput.
3. The link adaptation method based on the transmission effect according to claim 1, wherein the step of sorting combinations of different communication channels and transmission parameters according to the data transmission effect corresponding to the data type of the data to be transmitted based on the transmission effect record table to obtain a sorting result comprises:
determining the data type of the data to be transmitted, and determining the data transmission effect corresponding to the combination of the data type in different communication channels and transmission parameters according to the transmission effect record table;
and sequencing the combinations of different communication channels and transmission parameters according to the sequence of the data transmission effect from large to small to obtain a sequencing result.
4. The method of claim 1, wherein selecting a combination of a communication channel and a transmission parameter based on the sorting result and the occupancy rate of each communication channel comprises:
screening out a plurality of combinations of communication channels and transmission parameters based on the sorting result;
and determining the channel occupancy rate of each communication channel in the screened combinations of the communication channels and the transmission parameters, and selecting the combination of the communication channel with the lowest channel occupancy rate and the transmission parameters.
5. The method of claim 1, wherein after the transmitting the data to be transmitted in the communication channel based on the transmission parameter, the method further comprises:
and determining the data transmission effect of the data to be transmitted, and updating a transmission effect recording table based on the data transmission effect when the data transmission effect does not meet the preset effect requirement.
6. The method of claim 1, wherein selecting a combination of a communication channel and a transmission parameter based on the sorting result and the occupancy rate of each communication channel comprises:
screening out a plurality of combinations of the communication channels and the transmission parameters which are ranked in the front and have confidence degrees meeting the set confidence requirements based on the ranking results, wherein the confidence degrees are used for representing the combined reliability degrees of the communication channels and the transmission parameters;
and determining the channel occupancy rate of each communication channel in the screened combinations of the communication channels and the transmission parameters, and selecting the combination of the communication channel with the lowest channel occupancy rate and the transmission parameters.
7. The method of claim 6, wherein after the transmitting the data to be transmitted in the communication channel based on the transmission parameter, the method further comprises:
and determining the data transmission effect of the data to be transmitted, and updating the confidence coefficient of the combination of the corresponding communication channel and the transmission parameter based on the data transmission effect.
8. A link self-adapting device based on transmission effect is characterized by comprising an effect recording module, an effect sequencing module, a parameter determining module and a data transmission module, wherein:
the effect recording module is used for recording data transmission effects of different data types under the combination of different communication channels and transmission parameters to form a transmission effect recording table, wherein the transmission parameters comprise a modulation mode, a coding mode, redundant information and transmitting power;
the effect sorting module is used for sorting combinations of different communication channels and transmission parameters according to the data transmission effect corresponding to the data type of the data to be transmitted based on the transmission effect record table to obtain a sorting result;
a parameter determination module for selecting a combination of a communication channel and a transmission parameter based on the sorting result and the channel occupancy rate of each communication channel;
and the data transmission module is used for transmitting the data to be transmitted in the communication channel based on the transmission parameters.
9. A computer device, comprising: a memory and one or more processors;
the memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the transmission effect based link adaptation method of any of claims 1-7.
10. A storage medium containing computer-executable instructions for performing the transmission effect-based link adaptation method of any one of claims 1-7 when executed by a computer processor.
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