CN116827493A - Dual-mode communication method and device based on HPLC and micropower - Google Patents
Dual-mode communication method and device based on HPLC and micropower Download PDFInfo
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Abstract
The invention provides a dual-mode communication method and device based on HPLC and micropower, and relates to the technical field of power grid communication. The invention is applied to dual-mode communication equipment, which is provided with a plurality of modules, wherein at least one of the modules is an HPLC module, at least one of the modules is a micropower module, and by monitoring the communication states of the modules, when the communication of the current communication module is abnormal, an alternative module is determined based on the transmission speed of each module, and the current communication module is switched to the alternative module for communication, so that the dual-mode communication equipment can ensure higher transmission speed for data transmission and communication, ensure the data transmission speed of power grid equipment, improve the communication efficiency among all the equipment in the power grid, and solve the problems of large communication interference and low transmission success rate in a single communication mode.
Description
Technical Field
The invention relates to the technical field of power grid communication, in particular to a dual-mode communication method and device based on HPLC and micropower.
Background
With the development of intelligent power grids, massive data are transmitted among devices of the grids. For example, transmissions between smart meters, uninterruptible power supplies (Uninterruptible Power Supply, UPS), new energy generation control devices, reactive compensation control devices, and sensor monitoring devices.
Currently, these devices mainly adopt a single communication mode during communication, high-speed power line carrier communication (high speed power line carrier communication, HPLC) or micropower radio frequency communication. In practical application, due to the problems of power grid noise, distance between devices, and the like, a single communication mode has the problems of large communication interference and low transmission success rate.
Disclosure of Invention
The embodiment of the invention provides a dual-mode communication method and device based on HPLC and micropower, which can solve the problems of large communication interference and low transmission success rate of a single communication mode, ensure the data transmission rate of power grid equipment and improve the communication efficiency.
In a first aspect, an embodiment of the present invention provides a dual-mode communication method based on HPLC and micropower, applied to a dual-mode communication device, where the dual-mode communication device includes a plurality of modules, at least one module in the plurality of modules is an HPLC module, and at least one module is a micropower module, and the dual-mode communication method includes: monitoring a communication state of a current communication module in a transmission state among a plurality of modules of the dual-mode communication device; if the communication state of the current communication module is abnormal, acquiring communication parameters of a plurality of modules, and determining a module with normal communication in other modules except the current communication module based on the communication parameters of the plurality of modules; acquiring the transmission speed of each module in the modules with normal communication, and determining an alternative module based on the transmission speed of each module in the modules with normal communication; and switching the current communication module into an alternative module, and communicating through the alternative module.
In one possible implementation, monitoring a communication state of a current communication module of a plurality of modules of a dual-mode communication device that is currently in a transmission state includes: sending first request information to opposite terminal equipment connected with the current communication module; recording the sending time of the first request information; the first request information is used for indicating the receiving time of the opposite terminal equipment returning the first request information; receiving first response information returned by opposite terminal equipment; recording the receiving time of the first response information; the first response information includes a reception time of the first request information and a transmission time of the first response information; the communication state of the current communication module is determined based on the transmission time and the reception time of the first request information and the transmission time and the reception time of the first response information.
In one possible implementation, the communication state includes a communication normal and a communication abnormal, and the communication abnormal includes an uploading channel abnormal and a downloading channel abnormal; determining a communication state of the current communication module based on the transmission time and the reception time of the first request information and the transmission time and the reception time of the first response information, includes: calculating a first time difference between the sending time and the receiving time of the first request information, and if the first time difference is larger than a first threshold value, determining that the communication state of the current communication module is abnormal in the uploading channel; calculating a second time difference between the sending time and the receiving time of the first response information, and if the second time difference is larger than a second threshold value, determining that the communication state of the current communication module is abnormal in the downloading channel; if the first time difference is smaller than or equal to the first threshold value and the second time difference is smaller than or equal to the second threshold value, determining that the communication state of the current communication module is normal.
In one possible implementation manner, acquiring the transmission speed of each module in the modules with normal communication includes: sending second request information to opposite terminal equipment connected with the current communication module through each module in the normal communication modules, and recording the sending time of the second request information; the second request information comprises data with preset size; receiving second response information returned by the opposite terminal equipment, and recording the receiving time of the second response information; the second response information comprises the receiving time of the second request information, the sending time of the second response information and data with preset size; and determining the transmission speed of each module in the modules with normal communication based on the sending time and the receiving time of the first request information, the sending time and the receiving time of the first response information and the data with preset size.
In one possible implementation, after monitoring the communication state of a current communication module currently in a transmission state among the plurality of modules of the dual-mode communication device, the method further includes: if the communication state of the current communication module is normal, periodically acquiring the transmission speeds of a plurality of modules in the dual-mode communication device; if the transmission speed of the current communication module is smaller than that of the first module, updating the recorded continuous times that the transmission speed of the current communication module is smaller than that of the first module; the first module is any one module except the current communication module in the plurality of modules; if the updated continuous times are greater than or equal to the set times, determining the first module as an alternative module, switching the current communication module into the alternative module, and communicating through the alternative module.
In one possible implementation manner, after determining a module with normal communication among other modules except the current communication module based on communication parameters of the plurality of modules, the method further includes: if the other modules do not have the modules with normal communication, acquiring the transmission speeds of the modules; if the transmission speed of the second module is greater than that of the current communication module, the second module is determined to be an alternative module, the current communication module is switched to be the alternative module, and communication is carried out through the alternative module.
In one possible implementation, determining the candidate module based on the transmission speed of each module in the modules with normal communication includes: acquiring a destination address of data to be transmitted, and determining a distance between the destination address and the dual-mode communication device; selecting a communication mode of data to be transmitted in an HPLC mode and a micropower mode based on a distance between a destination address and the dual-mode communication device; and acquiring the transmission speed corresponding to the communication mode of the data to be transmitted, and determining an alternative module based on the transmission speed corresponding to the communication mode of the data to be transmitted and the transmission speed of each module in the modules with normal communication.
In one possible implementation, the alternative module is an HPLC module; accordingly, communication is performed through the alternative module, including: acquiring a destination address of data to be transmitted, and determining a target power line for transmitting the data to be transmitted and the length of the target power line based on the destination address of the data to be transmitted; determining the line loss of the target power line based on the predicted impedance of the target power line at the preset next moment and the length of the target power line; determining initial sending power of an HPLC signal for transmitting data to be transmitted based on the lowest receiving power of target equipment corresponding to the destination address and line loss of a target power line; according to the initial transmission power, adjusting the transmission power of the HPLC signal so that the transmission power of the adjusted HPLC signal reaches the initial transmission power; and sending the adjusted HPLC signal to a target power line.
In one possible implementation, the alternative module is a micropower module; accordingly, communication is performed through the alternative module, including: acquiring a destination address of data to be transmitted; determining the transmission power, the transmission angle and the transmission frequency corresponding to the destination address based on the destination address of the data to be transmitted and the mapping relation among the preset address, the transmission power, the transmission angle and the transmission frequency; determining a transmitting module in the micropower module based on the transmitting angle corresponding to the destination address; and transmitting a radio frequency signal by the transmitting module at the transmitting power and the transmitting frequency corresponding to the destination address, wherein the radio frequency signal carries data to be transmitted.
In a second aspect, an embodiment of the present invention provides a dual-mode communication device based on HPLC and micropower, applied to a dual-mode communication apparatus, where the dual-mode communication apparatus includes a plurality of modules, at least one module in the plurality of modules is an HPLC module, and at least one module is a micropower module, and the dual-mode communication device includes: the communication module is used for monitoring the communication state of a current communication module in a transmission state among a plurality of modules of the dual-mode communication device; the processing module is used for acquiring communication parameters of the plurality of modules if the communication state of the current communication module is abnormal, and determining a module with normal communication in other modules except the current communication module based on the communication parameters of the plurality of modules; acquiring the transmission speed of each module in the modules with normal communication; determining an alternative module based on the transmission speed of each module in the modules with normal communication; and switching the current communication module into an alternative module, and communicating through the alternative module.
In one possible implementation manner, the processing module is specifically configured to send first request information to a peer device connected to the current communication module; recording the sending time of the first request information; the first request information is used for indicating the receiving time of the opposite terminal equipment returning the first request information; receiving first response information returned by opposite terminal equipment; recording the receiving time of the first response information; the first response information includes a reception time of the first request information and a transmission time of the first response information; the communication state of the current communication module is determined based on the transmission time and the reception time of the first request information and the transmission time and the reception time of the first response information.
In one possible implementation, the communication state includes a communication normal and a communication abnormal, and the communication abnormal includes an uploading channel abnormal and a downloading channel abnormal; the processing module is specifically configured to calculate a first time difference between a sending time and a receiving time of the first request information, and if the first time difference is greater than a first threshold value, determine that a communication state of the current communication module is abnormal in an uploading channel; calculating a second time difference between the sending time and the receiving time of the first response information, and if the second time difference is larger than a second threshold value, determining that the communication state of the current communication module is abnormal in the downloading channel; if the first time difference is smaller than or equal to the first threshold value and the second time difference is smaller than or equal to the second threshold value, determining that the communication state of the current communication module is normal.
In one possible implementation manner, the processing module is specifically configured to send, through each module in the modules with normal communication, second request information to an opposite terminal device connected to the current communication module, and record a sending time of the second request information; the second request information comprises data with preset size; receiving second response information returned by the opposite terminal equipment, and recording the receiving time of the second response information; the second response information comprises the receiving time of the second request information, the sending time of the second response information and data with preset size; and determining the transmission speed of each module in the modules with normal communication based on the sending time and the receiving time of the first request information, the sending time and the receiving time of the first response information and the data with preset size.
In one possible implementation manner, the processing module is further configured to periodically obtain transmission speeds of a plurality of modules in the dual-mode communication device if the current communication state of the communication module is that communication is normal; if the transmission speed of the current communication module is smaller than that of the first module, updating the recorded continuous times that the transmission speed of the current communication module is smaller than that of the first module; the first module is any one module except the current communication module in the plurality of modules; if the updated continuous times are greater than or equal to the set times, determining the first module as an alternative module, switching the current communication module into the alternative module, and communicating through the alternative module.
In one possible implementation manner, the processing module is further configured to obtain transmission speeds of the plurality of modules if no module with normal communication exists in the other modules; if the transmission speed of the second module is greater than that of the current communication module, the second module is determined to be an alternative module, the current communication module is switched to be the alternative module, and communication is carried out through the alternative module.
In one possible implementation, the communication module is further configured to obtain a destination address of data to be transmitted, and the processing module is further configured to determine a distance between the destination address and the dual-mode communication device; selecting a communication mode of data to be transmitted in an HPLC mode and a micropower mode based on a distance between a destination address and the dual-mode communication device; the communication module is also used for acquiring the transmission speed corresponding to the communication mode of the data to be transmitted, the processing module is also used for determining the alternative module based on the transmission speed corresponding to the communication mode of the data to be transmitted and the transmission speed of each module in the modules with normal communication.
In one possible implementation, the alternative module is an HPLC module; the communication module is specifically used for acquiring a destination address of data to be transmitted; the processing module is specifically used for determining a target power line for transmitting the data to be transmitted and the length of the target power line based on the destination address of the data to be transmitted; determining the line loss of the target power line based on the predicted impedance of the target power line at the preset next moment and the length of the target power line; determining initial sending power of an HPLC signal for transmitting data to be transmitted based on the lowest receiving power of target equipment corresponding to the destination address and line loss of a target power line; according to the initial transmission power, adjusting the transmission power of the HPLC signal so that the transmission power of the adjusted HPLC signal reaches the initial transmission power; and sending the adjusted HPLC signal to a target power line.
In one possible implementation, the alternative module is a micropower module; the communication module is specifically used for acquiring a destination address of data to be transmitted; the processing module is specifically used for determining the transmission power, the transmission angle and the transmission frequency corresponding to the destination address based on the destination address of the data to be transmitted and the mapping relation among the preset address, the transmission power, the transmission angle and the transmission frequency; determining a transmitting module in the micropower module based on the transmitting angle corresponding to the destination address; and transmitting a radio frequency signal by the transmitting module at the transmitting power and the transmitting frequency corresponding to the destination address, wherein the radio frequency signal carries data to be transmitted.
In a third aspect, an embodiment of the present invention provides a dual-mode communication device, where the dual-mode communication device includes a memory, a processor, and a plurality of modules, at least one of the plurality of modules being an HPLC module and at least one of the plurality of modules being a micropower module, the memory storing a computer program, and the processor being configured to invoke and execute the computer program stored in the memory to perform the steps of the method according to the first aspect and any possible implementation manner of the first aspect.
In a fourth aspect, embodiments of the present invention provide a computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method according to the first aspect and any one of the possible implementations of the first aspect.
The embodiment of the invention provides a dual-mode communication method and device based on HPLC and micropower, which are applied to dual-mode communication equipment, wherein the equipment is provided with a plurality of modules, at least one of the modules is an HPLC module, and at least one of the modules is a micropower module.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a dual mode communication method based on HPLC and micropower according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of another dual mode communication method based on HPLC and micropower according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of yet another dual mode communication method based on HPLC and micropower according to an embodiment of the present invention;
FIG. 4 is a flow chart of yet another dual mode communication method based on HPLC and micropower provided by an embodiment of the present invention;
FIG. 5 is a schematic diagram of a dual mode communication device based on HPLC and micropower according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a dual-mode communication device according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In the description of the present application, "/" means "or" unless otherwise indicated, for example, A/B may mean A or B. "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. Further, "at least one", "a plurality" means two or more. The terms "first," "second," and the like do not limit the number and order of execution, and the terms "first," "second," and the like do not necessarily differ.
In embodiments of the application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion that may be readily understood.
Furthermore, references to the terms "comprising" and "having" and any variations thereof in the description of the present application are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to only those steps or modules but may, alternatively, include other steps or modules not listed or inherent to such process, method, article, or apparatus.
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the following description will be made with reference to the accompanying drawings of the present invention by way of specific embodiments.
In a first scenario, an HPLC module is respectively arranged on the power equipment A and the power equipment B, and communication is performed through an HPLC mode, but in the communication process, larger harmonic interference exists along with load access in a power line of a power grid, the communication interference is larger, and the transmission efficiency is lower.
In a second scenario, the distance between the power equipment A and the power equipment B is relatively long, the micro-power transmission mode is easy to break, data loss is caused, and the success rate of data transmission is relatively low.
And in a third scene, the power equipment A is provided with an HPLC module and a micropower module, and the power equipment B is provided with the HPLC module and the micropower module. In the communication process of the power equipment A and the power equipment B, two kinds of communication modules are unevenly distributed, one kind of communication module is heavy in load, the transmission rate is low, the other kind of communication module is light in load, and the two kinds of communication modules between the power equipment A and the power equipment B cannot be freely switched, so that the communication efficiency is low.
To solve the above technical problems, the embodiments of the present invention provide a dual-mode communication method based on HPLC and micropower, which is applied to a dual-mode communication device, where the device is provided with a plurality of modules, at least one of which is an HPLC module, and at least one of which is a micropower module, and by monitoring the communication states of the plurality of modules, automatic switching between two communication modes is achieved, so that a higher transmission speed of the dual-mode communication device is ensured to perform data transmission and communication, a data transmission speed of a power grid device is ensured, and communication efficiency between devices in the power grid is improved
As shown in fig. 1, an embodiment of the present invention provides a dual mode communication method based on HPLC and micropower. The method is applied to dual-mode communication equipment, the dual-mode communication equipment comprises a plurality of modules, at least one module in the plurality of modules is an HPLC module, and at least one module is a micropower module, and the dual-mode communication method comprises steps S101-S104.
S101, monitoring the communication state of a current communication module in a transmission state in a plurality of modules of the dual-mode communication device.
In some embodiments, the communication status includes communication normal and communication abnormal, and the communication abnormal includes an upload channel abnormal and a download channel abnormal.
As a possible implementation manner, the embodiment of the present invention may determine the communication state of the current communication module through steps S1011-S1013.
S1011, sending first request information to opposite terminal equipment connected with a current communication module; and recording the transmission time of the first request information.
In some embodiments, the first request information is used to indicate a time of receipt of the first request information returned by the peer device.
S1012, receiving first response information returned by the opposite terminal equipment; and recording the reception time of the first response information.
In some embodiments, the first response information includes a reception time of the first request information and a transmission time of the first response information.
S1013, determining the communication status of the current communication module based on the transmission time and the reception time of the first request information, and the transmission time and the reception time of the first response information.
For example, the embodiment of the present invention may calculate a first time difference between the sending time and the receiving time of the first request information, and if the first time difference is greater than a first threshold, determine that the communication state of the current communication module is abnormal in the uploading channel.
In still another example, a second time difference between the transmission time and the reception time of the first response information is calculated, and if the second time difference is greater than a second threshold value, it is determined that the communication state of the current communication module is abnormal in the download channel.
In addition, if the first time difference is smaller than or equal to the first threshold value and the second time difference is smaller than or equal to the second threshold value, the communication state of the current communication module is determined to be normal.
The first threshold may be determined according to a sending time and a receiving time of the first request information when the uploading channel of the communication module is normal, and the second threshold may be determined according to a sending time and a receiving time of the first response information when the downloading channel of the communication module is normal.
S102, if the communication state of the current communication module is abnormal, acquiring communication parameters of a plurality of modules, and determining a module with normal communication among other modules except the current communication module based on the communication parameters of the plurality of modules.
S103, acquiring the transmission speed of each module in the modules with normal communication; and determining an alternative module based on the transmission speed of each module in the modules with normal communication.
As a possible implementation manner, the embodiment of the present invention may determine the transmission speed of each module in the modules with normal communication through steps S1031-S1033.
S1031, sending second request information to the opposite terminal equipment connected with the current communication module through each module in the modules with normal communication, and recording the sending time of the second request information.
In some embodiments, the second request information includes data of a preset size, such as data of a unit file size.
S1032, receiving the second response information returned by the opposite terminal equipment, and recording the receiving time of the second response information.
In some embodiments, the second response information includes a reception time of the second request information and a transmission time of the second response information; the second response information further comprises data with the preset size, such as data with the unit file size;
S1033, based on the sending time and the receiving time of the first request information, the sending time and the receiving time of the first response information and the data with preset size, determining the transmission speed of each module in the modules with normal communication.
S104, switching the current communication module into an alternative module, and communicating through the alternative module.
In some embodiments, the alternative module may be an HPLC module.
Accordingly, step S104 may be embodied as A1-A5.
A1, obtaining a destination address of data to be transmitted.
A2, determining a target power line for transmitting the data to be transmitted and the length of the target power line based on the destination address of the data to be transmitted.
A3, determining the line loss of the target power line based on the predicted impedance of the target power line at the preset next moment and the length of the target power line.
A4, determining the initial sending power of the HPLC signal for transmitting the data to be transmitted based on the lowest receiving power of the target equipment corresponding to the destination address and the line loss of the target power line.
A5, adjusting the emission power of the HPLC signal according to the initial emission power so that the emission power of the adjusted HPLC signal reaches the initial emission power, and sending the adjusted HPLC signal to a target power line.
In some embodiments, the alternative module may be a micro-power module.
Accordingly, step S104 may be embodied as B1-B4.
B1, obtaining a destination address of data to be transmitted.
B2, determining the transmission power, the transmission angle and the transmission frequency corresponding to the destination address based on the destination address of the data to be transmitted and the mapping relation among the preset address, the transmission power, the transmission angle and the transmission frequency.
The mapping relation is the mapping relation of address, transmitting power, transmitting angle and transmitting frequency.
And B3, determining a transmitting module in the micro-power module based on the transmitting angle corresponding to the destination address.
And B4, transmitting a radio frequency signal through the transmitting module at the transmitting power and the transmitting frequency corresponding to the destination address, wherein the radio frequency signal carries data to be transmitted.
The embodiment of the invention provides a dual-mode communication method based on HPLC and micropower, which is applied to dual-mode communication equipment, wherein the equipment is provided with a plurality of modules, at least one of the modules is an HPLC module, and at least one of the modules is a micropower module, and when the communication of the current communication module is abnormal, an alternative module is determined based on the transmission speed of each module, and the current communication module is switched into the alternative module for communication, so that the dual-mode communication equipment can ensure higher transmission speed for data transmission and communication, ensure the data transmission speed of power grid equipment, improve the communication efficiency among all the equipment in the power grid, and solve the problems of large communication interference and low transmission success rate of a single communication mode.
Optionally, as shown in fig. 2, the dual-mode communication method based on HPLC and micropower provided in the embodiment of the present invention further includes steps S201 to S203.
S201, if the communication state of the current communication module is normal, periodically acquiring the transmission speeds of a plurality of modules in the dual-mode communication device.
S202, if the transmission speed of the current communication module is smaller than that of the first module, updating the recorded continuous times that the transmission speed of the current communication module is smaller than that of the first module.
The first module is any one module except the current communication module in the plurality of modules;
and S203, if the updated continuous times are greater than or equal to the set times, determining the first module as an alternative module, switching the current communication module into the alternative module, and communicating through the alternative module.
The number of times of setting may be set according to practical situations, for example, 5 times.
In this way, when the communication of the current communication module is normal, the embodiment of the invention can compare the transmission speeds of other modules and the current communication module, record the continuous times that the transmission speed of the current communication module is smaller than the transmission speed of the first module, switch the modules when the continuous times are larger than or equal to the set times, and communicate through the module with higher transmission speed, thereby realizing the automatic switching of the communication module when the communication is normal and ensuring the data transmission speed of the dual-mode communication device. In addition, the embodiment of the invention can avoid frequent switching of the communication module and improve the stability of the dual-mode communication device by combining the transmission speed comparison and the frequency comparison.
Optionally, as shown in fig. 3, the dual-mode communication method based on HPLC and micropower according to the embodiment of the present invention further includes steps S301 to S302 after step S102.
S301, if no module with normal communication exists in other modules, acquiring transmission speeds of a plurality of modules.
S302, if the transmission speed of the second module is greater than that of the current communication module, the second module is determined to be an alternative module, the current communication module is switched to be the alternative module, and communication is carried out through the alternative module.
In this way, when no module with normal communication exists, the embodiment of the invention can select the module with the transmission speed larger than that of the current communication module as the alternative module to perform switching transmission, thereby ensuring the data transmission speed of the dual-mode communication device.
Optionally, as shown in fig. 4, in step S103, an alternative module is determined based on a transmission speed of each module in modules with normal communication, which may include steps S401 to S404.
S401, a destination address of data to be transmitted is acquired, and the distance between the destination address and the dual-mode communication device is determined.
S402, selecting a communication mode of data to be transmitted in an HPLC mode and a micro-power mode based on the distance between the destination address and the dual-mode communication device.
S403, acquiring a transmission speed corresponding to a communication mode of the data to be transmitted, and determining an alternative module based on the transmission speed corresponding to the communication mode of the data to be transmitted and the transmission speed of each module in the modules with normal communication.
In this way, the embodiment of the invention can detect the distance between the destination address and the dual-mode communication device, determine the communication mode suitable for data transmission based on the distance, and ensure the data transmission speed of the dual-mode communication device.
It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic, and should not limit the implementation process of the embodiment of the present invention.
The following are device embodiments of the invention, for details not described in detail therein, reference may be made to the corresponding method embodiments described above.
Fig. 5 shows a schematic structural diagram of a dual-mode communication device based on HPLC and micropower according to an embodiment of the present invention. The dual-mode communication device is applied to dual-mode communication equipment, and the dual-mode communication equipment comprises a plurality of modules, wherein at least one module in the plurality of modules is an HPLC module, and at least one module is a micropower module; the dual-mode communication device 500 includes a communication module 501 and a processing module 502.
A communication module 501, configured to monitor a communication state of a current communication module currently in a transmission state among a plurality of modules of the dual-mode communication device.
The processing module 502 is configured to obtain communication parameters of a plurality of modules if the communication state of the current communication module is abnormal, and determine a module with normal communication among other modules except the current communication module based on the communication parameters of the plurality of modules; acquiring the transmission speed of each module in the modules with normal communication; determining an alternative module based on the transmission speed of each module in the modules with normal communication; and switching the current communication module into an alternative module, and communicating through the alternative module.
In one possible implementation manner, the processing module 502 is specifically configured to send the first request information to a peer device connected to the current communication module; recording the sending time of the first request information; the first request information is used for indicating the receiving time of the opposite terminal equipment returning the first request information; receiving first response information returned by opposite terminal equipment; recording the receiving time of the first response information; the first response information includes a reception time of the first request information and a transmission time of the first response information; the communication state of the current communication module is determined based on the transmission time and the reception time of the first request information and the transmission time and the reception time of the first response information.
In one possible implementation, the communication state includes a communication normal and a communication abnormal, and the communication abnormal includes an uploading channel abnormal and a downloading channel abnormal; the processing module 502 is specifically configured to calculate a first time difference between a sending time and a receiving time of the first request information, and if the first time difference is greater than a first threshold, determine that a communication state of the current communication module is an uplink channel abnormality; calculating a second time difference between the sending time and the receiving time of the first response information, and if the second time difference is larger than a second threshold value, determining that the communication state of the current communication module is abnormal in the downloading channel; if the first time difference is smaller than or equal to the first threshold value and the second time difference is smaller than or equal to the second threshold value, determining that the communication state of the current communication module is normal.
In a possible implementation manner, the processing module 502 is specifically configured to send, through each module in the modules that are in normal communication, second request information to an opposite terminal device connected to the current communication module, and record a sending time of the second request information; the second request information comprises data with preset size; receiving second response information returned by the opposite terminal equipment, and recording the receiving time of the second response information; the second response information comprises the receiving time of the second request information, the sending time of the second response information and data with preset size; and determining the transmission speed of each module in the modules with normal communication based on the sending time and the receiving time of the first request information, the sending time and the receiving time of the first response information and the data with preset size.
In a possible implementation manner, the processing module 502 is further configured to periodically obtain transmission speeds of a plurality of modules in the dual-mode communication device if the current communication state of the communication module is that communication is normal; if the transmission speed of the current communication module is smaller than that of the first module, updating the recorded continuous times that the transmission speed of the current communication module is smaller than that of the first module; the first module is any one module except the current communication module in the plurality of modules; if the updated continuous times are greater than or equal to the set times, determining the first module as an alternative module, switching the current communication module into the alternative module, and communicating through the alternative module.
In a possible implementation manner, the processing module 502 is further configured to obtain transmission speeds of the plurality of modules if no module with normal communication exists in the other modules; if the transmission speed of the second module is greater than that of the current communication module, the second module is determined to be an alternative module, the current communication module is switched to be the alternative module, and communication is carried out through the alternative module.
In one possible implementation, the communication module 501 is further configured to obtain a destination address of data to be transmitted, and the processing module 502 is further configured to determine a distance between the destination address and the dual-mode communication device; selecting a communication mode of data to be transmitted in an HPLC mode and a micropower mode based on a distance between a destination address and the dual-mode communication device; the communication module 501 is further configured to obtain a transmission speed corresponding to a communication mode of the data to be transmitted, and the processing module 502 is further configured to determine an alternative module based on the transmission speed corresponding to the communication mode of the data to be transmitted and a transmission speed of each module in the modules with normal communication.
In one possible implementation, the alternative module is an HPLC module; the communication module 501 is specifically configured to obtain a destination address of data to be transmitted; the processing module 502 is specifically configured to determine, based on a destination address of data to be transmitted, a target power line for transmitting the data to be transmitted, and a length of the target power line; determining the line loss of the target power line based on the predicted impedance of the target power line at the preset next moment and the length of the target power line; determining initial sending power of an HPLC signal for transmitting data to be transmitted based on the lowest receiving power of target equipment corresponding to the destination address and line loss of a target power line; according to the initial transmission power, adjusting the transmission power of the HPLC signal so that the transmission power of the adjusted HPLC signal reaches the initial transmission power; and sending the adjusted HPLC signal to a target power line.
In one possible implementation, the alternative module is a micropower module; the communication module 501 is specifically configured to obtain a destination address of data to be transmitted; the processing module 502 is specifically configured to determine, based on a destination address of data to be transmitted and a mapping relationship of a preset address, a transmission power, a transmission angle, and a transmission frequency, the transmission power, the transmission angle, and the transmission frequency corresponding to the destination address; determining a transmitting module in the micropower module based on the transmitting angle corresponding to the destination address; and transmitting a radio frequency signal by the transmitting module at the transmitting power and the transmitting frequency corresponding to the destination address, wherein the radio frequency signal carries data to be transmitted.
Fig. 6 is a schematic structural diagram of a dual-mode communication device according to an embodiment of the present invention. As shown in fig. 6, the dual mode communication device 600 of this embodiment includes: a processor 601, a memory 602, and a computer program 603 stored in the memory 602 and executable on the processor 601. In addition, the dual-mode communication device 600 further includes a plurality of modules, at least one of the plurality of modules being an HPLC module and at least one of the plurality of modules being a micropower module. The steps of the method embodiments described above, such as steps S101-S104 shown in fig. 1, are implemented when the processor 601 executes the computer program 603. Alternatively, the processor 601 may implement the functions of the modules/units in the above-described device embodiments when executing the computer program 603, for example, the functions of the communication module 501 and the processing module 502 shown in fig. 2.
Illustratively, the computer program 603 may be partitioned into one or more modules/units that are stored in the memory 602 and executed by the processor 601 to accomplish the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions for describing the execution of the computer program 603 in the dual mode communication device 600. For example, the computer program 603 may be partitioned into a communication module 501 and a processing module 502 as shown in FIG. 2.
The processor 601 may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field-programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 602 may be an internal storage unit of the dual-mode communication device 600, such as a hard disk or a memory of the dual-mode communication device 600. The memory 602 may also be an external storage device of the dual-mode communication device 600, such as a plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash memory Card (Flash Card) or the like, which are provided on the dual-mode communication device 600. Further, the memory 602 may also include both internal storage units and external storage devices of the dual-mode communication device 600. The memory 602 is used for storing the computer program and other programs and data required by the terminal. The memory 602 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiment 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, where the integrated units may be implemented in a form of hardware or a form of a software functional unit. In addition, the specific names of the functional units and modules are only for distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working process of the units and modules in the above system may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal and method may be implemented in other manners. For example, the apparatus/terminal embodiments described above are merely illustrative, e.g., the division of the modules or units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection via interfaces, devices or units, which may be in electrical, mechanical 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 modules/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 present invention may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention.
Claims (10)
1. A dual-mode communication method based on HPLC and micropower, applied to a dual-mode communication device, the dual-mode communication device comprising a plurality of modules, at least one of the plurality of modules being an HPLC module and at least one of the plurality of modules being a micropower module, the dual-mode communication method comprising:
monitoring a communication state of a current communication module currently in a transmission state in the plurality of modules of the dual-mode communication device;
if the communication state of the current communication module is abnormal, acquiring communication parameters of the plurality of modules, and determining a module with normal communication in other modules except the current communication module based on the communication parameters of the plurality of modules;
Acquiring the transmission speed of each module in the modules with normal communication, and determining an alternative module based on the transmission speed of each module in the modules with normal communication;
and switching the current communication module into the alternative module, and communicating through the alternative module.
2. The dual mode communication method based on HPLC and micropower of claim 1, wherein said monitoring the communication state of a current communication module of the plurality of modules of the dual mode communication device that is currently in a transmission state comprises:
sending first request information to opposite terminal equipment connected with the current communication module, and recording the sending time of the first request information; the first request information is used for indicating the receiving time of the opposite terminal equipment returning the first request information;
receiving first response information returned by the opposite terminal equipment, and recording the receiving time of the first response information; the first response information includes a reception time of the first request information and a transmission time of the first response information;
and determining the communication state of the current communication module based on the sending time and the receiving time of the first request information and the sending time and the receiving time of the first response information.
3. The dual mode HPLC and micropower based communication method of claim 2, wherein the communication state comprises communication normal and communication abnormal, the communication abnormal comprising an upload channel abnormal and a download channel abnormal;
the determining the communication state of the current communication module based on the sending time and the receiving time of the first request information and the sending time and the receiving time of the first response information includes:
calculating a first time difference between the sending time and the receiving time of the first request information, and if the first time difference is larger than a first threshold value, determining that the communication state of the current communication module is abnormal in an uploading channel;
calculating a second time difference between the sending time and the receiving time of the first response information, and if the second time difference is larger than a second threshold value, determining that the communication state of the current communication module is abnormal in a downloading channel;
and if the first time difference is smaller than or equal to the first threshold value and the second time difference is smaller than or equal to the second threshold value, determining that the communication state of the current communication module is normal.
4. The method for dual mode communication based on HPLC and micropower according to claim 1, wherein said obtaining the transmission speed of each of the modules with normal communication comprises:
Sending second request information to opposite terminal equipment connected with the current communication module through each module in the modules with normal communication, and recording the sending time of the second request information; the second request information comprises data with preset size;
receiving second response information returned by the opposite terminal equipment, and recording the receiving time of the second response information; the second response information comprises the receiving time of the second request information, the sending time of the second response information and the data with the preset size;
and determining the transmission speed of each module in the modules with normal communication based on the sending time and the receiving time of the first request information, the sending time and the receiving time of the first response information and the data with the preset size.
5. The dual mode communication method based on HPLC and micropower of claim 1, further comprising, after monitoring a communication state of a current communication module currently in a transmission state among the plurality of modules of the dual mode communication device:
if the communication state of the current communication module is normal, periodically acquiring the transmission speeds of the modules in the dual-mode communication device;
If the transmission speed of the current communication module is smaller than that of the first module, updating the recorded continuous times that the transmission speed of the current communication module is smaller than that of the first module; the first module is any module except the current communication module in the plurality of modules;
if the updated continuous times are greater than or equal to the set times, determining the first module as the alternative module, switching the current communication module into the alternative module, and communicating through the alternative module.
6. The HPLC and micropower based dual mode communication method according to claim 1, wherein after determining a module that is communicating normally among other modules than the current communication module based on the communication parameters of the plurality of modules, further comprising:
if the other modules do not have the modules with normal communication, acquiring the transmission speeds of the modules;
if the transmission speed of the second module is greater than that of the current communication module, determining the second module as an alternative module, switching the current communication module into the alternative module, and communicating through the alternative module.
7. The method for dual mode communication based on HPLC and micropower according to claim 1, wherein determining an alternative module based on a transmission speed of each module among the modules having normal communication comprises:
acquiring a destination address of data to be transmitted, and determining a distance between the destination address and the dual-mode communication device;
selecting a communication mode of the data to be transmitted in an HPLC mode and a micropower mode based on a distance between the destination address and the dual mode communication device;
and acquiring the transmission speed corresponding to the communication mode of the data to be transmitted, and determining the alternative module based on the transmission speed corresponding to the communication mode of the data to be transmitted and the transmission speed of each module in the modules with normal communication.
8. The dual mode HPLC and micropower based communication method of any one of claims 1 to 7, wherein the alternative module is an HPLC module;
correspondingly, the communication through the alternative module comprises:
acquiring a destination address of data to be transmitted;
determining a target power line for transmitting the data to be transmitted and the length of the target power line based on the destination address of the data to be transmitted;
Determining the line loss of the target power line based on the predicted impedance of the target power line at the preset next moment and the length of the target power line;
determining initial sending power of an HPLC signal for transmitting the data to be transmitted based on the lowest receiving power of the target equipment corresponding to the destination address and the line loss of the target power line;
according to the initial transmitting power, adjusting the transmitting power of the HPLC signal so that the transmitting power of the adjusted HPLC signal reaches the initial transmitting power;
and sending the adjusted HPLC signal to the target power line.
9. The dual mode HPLC and micropower based communication method of any one of claims 1 to 7, wherein the alternative module is a micropower module;
correspondingly, the communication through the alternative module comprises:
acquiring a destination address of data to be transmitted;
determining the transmitting power, the transmitting angle and the transmitting frequency corresponding to the destination address based on the destination address of the data to be transmitted and the mapping relation of the preset address, the transmitting power, the transmitting angle and the transmitting frequency;
determining a transmitting module in the micro power module based on the transmitting angle corresponding to the destination address;
And transmitting a radio frequency signal by the transmitting module at the transmitting power and the transmitting frequency corresponding to the destination address, wherein the radio frequency signal carries the data to be transmitted.
10. A dual-mode communication device based on HPLC and micropower, applied to the dual-mode communication apparatus, the dual-mode communication apparatus including a plurality of modules, at least one of the plurality of modules being an HPLC module and at least one of the plurality of modules being a micropower module, the dual-mode communication device comprising:
a communication module for monitoring a communication state of a current communication module currently in a transmission state among the plurality of modules of the dual-mode communication device;
the processing module is used for acquiring communication parameters of the plurality of modules if the communication state of the current communication module is abnormal, and determining a module with normal communication in other modules except the current communication module based on the communication parameters of the plurality of modules; acquiring the transmission speed of each module in the modules with normal communication; determining an alternative module based on the transmission speed of each module in the modules with normal communication; and switching the current communication module into the alternative module, and communicating through the alternative module.
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| CN116979997A (en) * | 2023-08-03 | 2023-10-31 | 国网思极位置服务有限公司 | Dual-mode communication-based power distribution network automation method and system |
| CN116979997B (en) * | 2023-08-03 | 2024-03-15 | 国网思极位置服务有限公司 | Dual-mode communication-based power distribution network automation method and system |
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