CN117692940B - Microwave system performance detection method based on microwave link - Google Patents
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Abstract
The invention provides a microwave system performance detection method based on a microwave link, which relates to the technical field of microwave link communication, and is characterized in that a simulation microwave link model is constructed to simulate the propagation process of microwave signals in the microwave link; acquiring microwave signal information of a simulated microwave link and communication performance information of the simulated microwave link, and respectively calculating a microwave signal quality evaluation value of the simulated microwave link and a communication performance evaluation value of the simulated microwave link; acquiring actual measurement information of the microwave link performance, further acquiring an evaluation index of the simulated microwave link by combining the evaluation value of the microwave signal quality of the simulated microwave link and the evaluation value of the communication performance of the simulated microwave link, and evaluating the simulated usable condition of the simulated microwave link so as to realize the optimization and modification of the simulated microwave link; and acquiring a microwave link performance detection index through the simulated microwave link microwave signal quality evaluation value and the simulated microwave link communication performance evaluation value, and performing real-time monitoring on the microwave link operation to identify fault risks and further performing fault early warning.
Description
Technical Field
The invention relates to the technical field of microwave link communication, in particular to a microwave system performance detection method based on a microwave link.
Background
With the continued development of communication technology, the size and complexity of communication systems has increased significantly. As a part of the microwave communication system, the microwave communication system needs to meet the requirements of high bandwidth, low time delay and the like, and the system is a common wireless communication system and is widely applied to long-distance, high-bandwidth and high-capacity communication scenes, such as mobile communication, satellite communication, microwave background communication and the like, while a microwave link plays a key role in the systems and is responsible for signal transmission and reception, with the promotion of 5G technology and the development of emerging application, the microwave communication system is required to meet the requirements of the emerging application, and the performance of the microwave link needs to be studied in depth and optimized continuously.
The performance of the microwave link is affected by various factors including atmospheric conditions, obstructions, signal interference, etc., which cause various problems that may exist in the microwave link, such as signal attenuation, multipath effects, signal-to-noise ratio degradation, etc., and need to be discovered and resolved in time by a performance detection method.
Compared with the traditional performance detection which relies on manual segment monitoring, innovations of various communication technologies and microwave technologies, such as wireless sensor networks, real-time data analysis and the like, are continuously developed at present, and more means and tools are provided for the performance detection of a microwave system. However, under such a background, performance detection based on a microwave link still has difficulty, and because the microwave link has wide range of relation and difficult signal segment monitoring, the microwave link simulation model needs to be constructed to replace real-time monitoring of the operation of the microwave link, so that high-efficiency performance detection is realized, and meanwhile, comprehensive data support is not available for performance fault monitoring in the same-line process of the microwave link.
Therefore, in view of the above problems, there is a need for a microwave system performance detection method based on a microwave link.
Disclosure of Invention
The invention provides a microwave system performance detection method based on a microwave link, which solves the problems of performance bottleneck, difficult fault identification and poor resource utilization in the microwave link signal communication process.
In order to solve the above-mentioned purpose, the technical scheme provided by the invention is as follows:
A microwave system performance detection method based on a microwave link comprises the following steps: acquiring an evaluation value of the quality of a microwave signal of a simulated microwave link and an evaluation value of the communication performance of the simulated microwave link, which are respectively used for evaluating the quality condition of the microwave signal in the transmission process of the simulated microwave link and the communication capacity of the simulated microwave link; acquiring actual measurement information of the microwave link performance, and further acquiring an evaluation index of the simulated microwave link by combining the evaluation value of the microwave signal quality of the simulated microwave link and the evaluation value of the communication performance of the simulated microwave link, wherein the evaluation index is used for evaluating the simulated availability of the simulated microwave link so as to realize the optimization and modification of the simulated microwave link; and acquiring a microwave link performance detection index through the simulated microwave link microwave signal quality evaluation value and the simulated microwave link communication performance evaluation value, and performing real-time monitoring on the microwave link operation to identify fault risks and further performing fault early warning.
Optionally, the acquiring the evaluation value of the microwave signal quality of the analog microwave link and the evaluation value of the communication performance of the analog microwave link specifically includes: constructing a simulated microwave link model for simulating the propagation process of microwave signals in a microwave link; acquiring related information of a simulated microwave link model, wherein the related information comprises simulated microwave link microwave signal information and simulated microwave link communication performance information; and respectively analyzing the microwave signal information of the simulated microwave link and the communication performance information of the simulated microwave link, constructing a microwave signal quality evaluation model of the simulated microwave link and a communication performance evaluation model of the simulated microwave link, and obtaining a microwave signal quality evaluation value of the simulated microwave link and a communication performance evaluation value of the simulated microwave link.
Optionally, the microwave signal information of the analog microwave link specifically includes: the error rate of the microwave signal of the analog microwave link, the signal-to-noise ratio of the microwave signal of the analog microwave link and the transmission loss of the microwave signal of the analog microwave link; the simulated microwave link communication performance information specifically comprises: and simulating the transmission rate and the transmission delay of the microwave link.
Optionally, the specific calculation mode of the microwave signal quality evaluation value of the analog microwave link is as follows: the method comprises the steps of obtaining an evaluation value of microwave signal quality of an analog microwave link through analysis and calculation of an error rate of the microwave signal of the analog microwave link, a signal-to-noise ratio of the microwave signal of the analog microwave link and transmission loss of the microwave signal of the analog microwave link, wherein the evaluation value of microwave signal quality of the analog microwave link is calculated according to the following formula:
；
wherein η 1 is expressed as an analog microwave link microwave signal quality evaluation value, i is expressed as an analog microwave link model training number, i=1, 2,3, n, ω 1i is expressed as an i-th analog microwave link microwave signal error rate, ω 2i is expressed as an i-th analog microwave link microwave signal to noise ratio, ω 3i is expressed as an i-th analog microwave link microwave signal transmission loss, Δω 1 ' is expressed as a preset value of an analog microwave link microwave signal error rate, Δω 2 ' is expressed as a preset value of an analog microwave link microwave signal to noise ratio, Δω 3 ' is expressed as a preset value of an analog microwave link microwave signal transmission loss, and a1, a2, a3 are respectively expressed as weight factors corresponding to the analog microwave link microwave signal error rate, the analog microwave link microwave signal to noise ratio, and the analog microwave link microwave signal transmission loss.
Optionally, the specific calculation mode of the simulated microwave link communication performance evaluation value is as follows: the method comprises the steps of obtaining an evaluation value of the communication performance of the analog microwave link through analysis and calculation of the transmission rate and the transmission delay of the analog microwave link, wherein the evaluation value of the communication performance of the analog microwave link is calculated according to the following formula:
；
Wherein η 2 is denoted as an evaluation value of communication performance of the analog microwave link, iota 1i is denoted as an i-th analog microwave link transmission rate, iota 2i is denoted as an i-th analog microwave link transmission delay, Δiota 1 'is denoted as a preset value of the analog microwave link transmission rate, Δiota 2' is denoted as a preset value of the analog microwave link transmission delay, and r1 and r2 are respectively denoted as weight factors corresponding to the analog microwave link transmission rate and the analog microwave link transmission delay.
Optionally, the acquiring the actually measured information of the microwave link performance specifically includes: monitoring the actual microwave link for a plurality of signal propagation processes, and acquiring the actual microwave link performance measured information in the actual microwave link for a plurality of signal propagation processes, wherein the actual microwave link performance measured information comprises the microwave link microwave signal measured information and the microwave link actual communication performance information; and respectively analyzing and calculating through the microwave link microwave signal actual measurement information and the microwave link actual measurement communication performance information to obtain a microwave link microwave signal quality evaluation actual measurement value and a microwave link communication performance evaluation actual measurement value.
Optionally, the obtaining the analog microwave link evaluation index specifically includes: the method comprises the steps of constructing an available evaluation model of a simulated microwave link by combining a microwave signal quality evaluation value of the simulated microwave link and a communication performance evaluation value analysis of the simulated microwave link through a microwave signal quality evaluation actual measurement value of the microwave link and a communication performance evaluation actual measurement value of the microwave link, and obtaining an evaluation index of the simulated microwave link, wherein the evaluation index of the simulated microwave link is calculated according to the following formula:
；
Where σ is represented as an analog microwave link evaluation index, μ 1 is represented as a microwave link microwave signal quality evaluation actual measurement value, μ 2 is represented as a microwave link communication performance evaluation actual measurement value, η 1 is represented as an analog microwave link microwave signal quality evaluation value, η 2 is represented as an analog microwave link communication performance evaluation value, q1 and q2 are respectively represented as weight factors of which the microwave signal quality corresponds to the microwave link communication performance, and e is represented as a natural constant.
Optionally, the evaluating simulates the simulated availability of the microwave link, specifically: comparing and analyzing the simulated microwave link evaluation index with a simulated microwave link evaluation threshold, judging that the simulated microwave link is usable for simulating an actual microwave link when the simulated microwave link evaluation index is lower than or equal to the simulated microwave link evaluation threshold, and monitoring the operation of the actual microwave link by monitoring the operation of the simulated microwave link in real time; when the evaluation index of the simulated microwave link exceeds the evaluation threshold of the simulated microwave link, judging that the simulated microwave link is not suitable for simulating an actual microwave link, and sending a prompt message to prompt by using an alarm mechanism to perform the optimization of the simulated microwave link, wherein the optimization of the simulated microwave link comprises the steps of adjusting model parameters, improving a signal processing method and optimizing a propagation medium; and monitoring an evaluation index of the simulated microwave link for the optimized simulated microwave link, and ensuring that the simulation of the simulated microwave link is available.
Optionally, the acquiring the microwave link performance detection index specifically includes: based on the simulation available condition of the simulated microwave link to the actual microwave link, a microwave link performance detection model is constructed by analyzing a microwave signal quality evaluation value of the simulated microwave link and a communication performance evaluation value of the simulated microwave link and is used for monitoring the operation performance of the microwave link in real time so as to obtain a microwave link performance detection index, and the calculation formula of the microwave link performance detection index is as follows:
；
Where xi is expressed as a microwave link performance detection index, Denoted as a microwave link performance detection correction factor, η 1 denoted as an analog microwave link microwave signal quality evaluation value, η 2 denoted as an analog microwave link communication performance evaluation value, and q1, q2 respectively denoted as weight factors for the microwave signal quality corresponding to the microwave link communication performance.
Optionally, the identifying the fault risk specifically includes: comparing and analyzing the microwave link performance detection index with a microwave link performance detection threshold, judging that the microwave link has abnormal performance fault risk when the microwave link performance detection index is lower than the microwave link performance detection threshold, sending a prompt message by using an alarm mechanism to prompt the microwave link to perform microwave link fault investigation and performance optimization treatment, wherein the performance optimization treatment comprises: adjusting transmitting-receiving antenna, adjusting microwave signal transmitting power, configuring clock synchronization, and upgrading hardware equipment.
Compared with the prior art, the technical scheme has at least the following beneficial effects:
According to the scheme, the propagation process of microwave signals in the link can be simulated by constructing the simulated microwave link model, the microwave signal quality evaluation value and the communication performance evaluation value of the simulated microwave link are calculated, the availability of the simulated microwave link can be further evaluated, the comprehensive evaluation index is obtained by combining actual measurement information, comprehensive evaluation is provided for the performance of the microwave link, and the performance bottleneck discovery and optimization improvement space are facilitated; by analyzing the evaluation index of the analog microwave link, potential performance problems and bottlenecks can be identified; by utilizing the performance detection index of the microwave link, the real-time monitoring of the microwave link can be realized, the potential fault risk can be found in time, the fault early warning of the microwave link can be realized, the performance problem and the possibility of fault occurrence can be reduced, unnecessary resource waste can be avoided, the network structure and configuration can be optimized, the operation cost can be reduced, and the anti-interference capability and the robustness of the microwave link can be enhanced.
According to the scheme, the data processing technology is adopted, the microwave link simulation model is built for monitoring and replacing the process monitoring of the microwave link signal communication, the microwave signal quality and the microwave link communication capacity are combined with the performance of the microwave link microwave system, then the microwave link performance detection index comprehensively obtained by the weighting and summing technology can effectively evaluate the microwave link performance state, data support is provided for system performance fault early warning, and the operation reliability and high efficiency of the microwave link microwave system are guaranteed.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a microwave system performance detection method based on a microwave link.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
It should be noted that "upper", "lower", "left", "right", "front", "rear", and the like are used in the present invention only to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.
Aiming at the problems of performance bottleneck, difficult fault identification and poor resource utilization in the microwave link signal communication process, the invention provides a microwave system performance detection method based on a microwave link.
As shown in fig. 1, an embodiment of the present invention provides a method for detecting performance of a microwave system based on a microwave link, including the following steps: acquiring an evaluation value of the quality of a microwave signal of a simulated microwave link and an evaluation value of the communication performance of the simulated microwave link, which are respectively used for evaluating the quality condition of the microwave signal in the transmission process of the simulated microwave link and the communication capacity of the simulated microwave link; acquiring actual measurement information of the microwave link performance, and further acquiring an evaluation index of the simulated microwave link by combining the evaluation value of the microwave signal quality of the simulated microwave link and the evaluation value of the communication performance of the simulated microwave link, wherein the evaluation index is used for evaluating the simulated availability of the simulated microwave link so as to realize the optimization and modification of the simulated microwave link; and acquiring a microwave link performance detection index through the simulated microwave link microwave signal quality evaluation value and the simulated microwave link communication performance evaluation value, and performing real-time monitoring on the microwave link operation to identify fault risks and further performing fault early warning.
Specifically, obtaining an evaluation value of microwave signal quality of an analog microwave link and an evaluation value of communication performance of the analog microwave link specifically includes: constructing a simulated microwave link model for simulating the propagation process of microwave signals in a microwave link; acquiring relevant information of a simulated microwave link model, and providing performance evaluation and analysis data support for a microwave communication system, wherein the performance evaluation and analysis data support comprises simulated microwave link microwave signal information and simulated microwave link communication performance information; and respectively analyzing the microwave signal information of the simulated microwave link and the communication performance information of the simulated microwave link, constructing a microwave signal quality evaluation model of the simulated microwave link and a communication performance evaluation model of the simulated microwave link, and obtaining a microwave signal quality evaluation value of the simulated microwave link and a communication performance evaluation value of the simulated microwave link.
In this embodiment, the modeling of the simulated microwave link model may utilize a Network Simulator network simulator to model and simulate the microwave link, evaluate its performance characteristics or use Riverbed Modeler to model the microwave link and evaluate transmission performance; potential problems in the microwave link can be identified and understood by simulating a microwave link model and analyzing a microwave signal propagation process, so that the problems of signal attenuation, multipath interference, signal-to-noise ratio reduction and the like are helped to be identified, and corresponding measures are taken to perform performance optimization and improvement so as to improve the reliability and efficiency of a communication system; the performance characteristics of the simulation microwave link model can be known to provide reference for the design and planning of an actual microwave link microwave system, and the optimal setting of system parameters can be determined to meet the requirements in specific application scenes, so that the overall efficiency and performance of the system are improved.
Specifically, the method for simulating microwave link microwave signal information specifically comprises the following steps: the error rate of the microwave signal of the analog microwave link, the signal-to-noise ratio of the microwave signal of the analog microwave link and the transmission loss of the microwave signal of the analog microwave link; the simulation microwave link communication performance information specifically comprises: and simulating the transmission rate and the transmission delay of the microwave link.
In the embodiment, the signal quality of the microwave link can be comprehensively evaluated by simulating the error rate, the signal-to-noise ratio and the transmission loss of the microwave signal of the microwave link, so that potential communication problems can be found, further measures are taken to optimize the link performance and improve the reliability of a communication system; the error rate and the signal-to-noise ratio of the microwave link can help diagnose the root cause of the communication problem, once the signal quality is reduced or the transmission loss is increased, the fault elimination and maintenance can be rapidly carried out, and the maintenance cost of the system is reduced; by simulating the transmission rate and the transmission delay of the microwave link, network resources can be planned better, the optimization of a network structure is facilitated, the network can meet the bandwidth requirements in different application scenes, and the resource utilization efficiency is improved.
Specifically, the method for estimating the quality of the microwave signal of the analog microwave link comprises the following specific calculation modes: the method comprises the steps of obtaining an evaluation value of microwave signal quality of an analog microwave link through analysis and calculation of an error rate of the microwave signal of the analog microwave link, a signal-to-noise ratio of the microwave signal of the analog microwave link and transmission loss of the microwave signal of the analog microwave link, wherein the evaluation value of microwave signal quality of the analog microwave link is calculated according to the following formula:
；
wherein η 1 is expressed as an analog microwave link microwave signal quality evaluation value, i is expressed as an analog microwave link model training number, i=1, 2,3, n, ω 1i is expressed as an i-th analog microwave link microwave signal error rate, ω 2i is expressed as an i-th analog microwave link microwave signal to noise ratio, ω 3i is expressed as an i-th analog microwave link microwave signal transmission loss, Δω 1 ' is expressed as a preset value of an analog microwave link microwave signal error rate, Δω 2 ' is expressed as a preset value of an analog microwave link microwave signal to noise ratio, Δω 3 ' is expressed as a preset value of an analog microwave link microwave signal transmission loss, and a1, a2, a3 are respectively expressed as weight factors corresponding to the analog microwave link microwave signal error rate, the analog microwave link microwave signal to noise ratio, and the analog microwave link microwave signal transmission loss.
In this embodiment, the error rate is obtained by inserting a known test mode into the transmission link, and then detecting the number and position of the error codes at the receiving end, and calculating; the signal-to-noise ratio is obtained by measuring the power of the signal and the power of the noise at the receiving end and then calculating, and meanwhile, the frequency spectrums of the signal and the noise can be analyzed through a frequency spectrum analysis tool so as to obtain the estimation of the signal-to-noise ratio; the transmission loss is obtained by measuring input power and output power at the starting point and the end point of a link, and then calculating, and meanwhile, the change of the signal in the transmission process can be observed through a frequency domain analysis tool, so that the attenuation and loss of the signal are determined; the preset value of the error rate of the microwave signal of the analog microwave link, the preset value of the signal-to-noise ratio of the microwave signal of the analog microwave link and the preset value of the transmission loss of the microwave signal of the analog microwave link are respectively set according to the performance of the microwave signal by experimenters in the training of constructing the model of the analog microwave link; setting weight factors corresponding to the error rate of the microwave signal of the analog microwave link, the signal-to-noise ratio of the microwave signal of the analog microwave link and the transmission loss of the microwave signal of the analog microwave link is obtained by adjusting according to the system performance requirement and the actual scene and combining with the suggestions of professionals in the related field; the indexes such as the error rate, the signal-to-noise ratio, the transmission loss and the like are integrated into a comprehensive quality evaluation value, the overall performance of the microwave link model quality can be presented more intuitively, the root cause of the problem can be positioned rapidly, and the reliability, the stability and the efficiency of the communication network are improved.
Specifically, the method for simulating the communication performance evaluation value of the microwave link comprises the following specific calculation modes: the method comprises the steps of obtaining an evaluation value of the communication performance of the analog microwave link through analysis and calculation of the transmission rate and the transmission delay of the analog microwave link, wherein the evaluation value of the communication performance of the analog microwave link is calculated according to the following formula:
；
Wherein η 2 is denoted as an evaluation value of communication performance of the analog microwave link, iota 1i is denoted as an i-th analog microwave link transmission rate, iota 2i is denoted as an i-th analog microwave link transmission delay, Δiota 1 'is denoted as a preset value of the analog microwave link transmission rate, Δiota 2' is denoted as a preset value of the analog microwave link transmission delay, and r1 and r2 are respectively denoted as weight factors corresponding to the analog microwave link transmission rate and the analog microwave link transmission delay.
In this embodiment, the transmission rate and transmission delay of the analog microwave link may be obtained by setting and adjusting parameters of the microwave link by the professional simulation software; the setting of the weight factors corresponding to the transmission rate and the transmission delay of the analog microwave link depends on specific application scenes and performance requirements, if the transmission rate and the transmission delay are equally important for the actual link communication evaluation, the transmission rate and the transmission delay can be simply considered equally, namely the equal weight factors can be set for the transmission rate and the transmission delay, and the transmission delay can be evaluated and assigned by professionals in the related field, and in the actual application, multiple times of simulation and test can be performed to find the optimal weight setting; the preset value of the transmission rate of the simulated microwave link and the preset value of the transmission time delay of the simulated microwave link are set according to communication performance by experimenters in training by constructing a simulated microwave link model, and a group of transmission rate and transmission time delay in the normal operation process of the microwave link can be comprehensively selected as the preset values; by carrying out detailed analysis on the transmission rate and the transmission delay, the performance bottleneck and the potential problem in the microwave system can be found, the design and the configuration of the microwave link can be optimized, the overall communication performance can be improved, and powerful support is provided for network planning, performance optimization and fault management.
Specifically, obtaining the actually measured information of the microwave link performance specifically includes: monitoring the actual microwave link for a plurality of signal propagation processes, and obtaining the microwave link performance actual measurement information in the actual microwave link for a plurality of signal propagation processes, wherein the microwave link performance actual measurement information comprises the microwave link microwave signal actual measurement information and the microwave link actual measurement communication performance information, and the method respectively comprises the following steps: microwave signal error rate, microwave signal to noise ratio, microwave signal transmission loss, microwave link transmission rate and microwave link transmission delay; and respectively analyzing and calculating through the microwave link microwave signal actual measurement information and the microwave link actual measurement communication performance information to obtain a microwave link microwave signal quality evaluation actual measurement value and a microwave link communication performance evaluation actual measurement value.
In this embodiment, the calculation formulas of the microwave link microwave signal quality evaluation actual measurement value and the microwave link communication performance evaluation actual measurement value are the same as those of the analog microwave link microwave signal quality evaluation value and the analog microwave link communication performance evaluation value, namely:
；
；
Wherein mu 1 is expressed as a microwave link microwave signal quality evaluation actual measurement value, mu 2 is expressed as a microwave link communication performance evaluation actual measurement value, omega 1 ' is expressed as a microwave signal error rate, omega 2 ' is expressed as a microwave signal to noise ratio, and omega 3 ' is expressed as a microwave signal transmission loss;
preset value expressed as microwave signal error rate,/> Expressed as a preset value of the signal-to-noise ratio of the microwave signal,A preset value representing the transmission loss of the microwave signal;
Iota 1 'represents the microwave link transmission rate and iota 2' represents the microwave link transmission delay;
represented as a preset value of the microwave link transmission rate, Expressed as a preset value of microwave link transmission delay.
Specifically, obtaining an analog microwave link evaluation index specifically includes: the method comprises the steps of constructing an available evaluation model of a simulated microwave link by combining a microwave signal quality evaluation value of the simulated microwave link and a communication performance evaluation value analysis of the simulated microwave link through a microwave signal quality evaluation actual measurement value of the microwave link and a communication performance evaluation actual measurement value of the microwave link, and obtaining an evaluation index of the simulated microwave link, wherein the evaluation index of the simulated microwave link is calculated according to the following formula:
；
Where σ is represented as an analog microwave link evaluation index, μ 1 is represented as a microwave link microwave signal quality evaluation actual measurement value, μ 2 is represented as a microwave link communication performance evaluation actual measurement value, η 1 is represented as an analog microwave link microwave signal quality evaluation value, η 2 is represented as an analog microwave link communication performance evaluation value, q1 and q2 are respectively represented as weight factors of which the microwave signal quality corresponds to the microwave link communication performance, and e is represented as a natural constant.
In this embodiment, the setting of the weight factor corresponding to the microwave signal quality and the communication performance needs to comprehensively consider the specific requirement of the network, the user experience and the resource allocation, and the adjustment and allocation can be performed according to the knowledge and experience providing opinion of the professional in the related field on the network performance; the method can be used for optimizing the planning and design of the microwave link by constructing an available evaluation model of the simulated microwave link, and can be used for carrying out virtual experiments by introducing different parameters and variables into the model so as to evaluate the influence of different configurations and schemes on the performance of the microwave link, thereby optimizing the layout and resource allocation of the network and improving the overall efficiency.
Specifically, the simulation availability of the simulated microwave link is evaluated, specifically: comparing and analyzing the simulated microwave link evaluation index with a simulated microwave link evaluation threshold, judging that the simulated microwave link is usable for simulating an actual microwave link when the simulated microwave link evaluation index is lower than or equal to the simulated microwave link evaluation threshold, and monitoring the operation of the actual microwave link by monitoring the operation of the simulated microwave link in real time; when the evaluation index of the simulated microwave link exceeds the evaluation threshold of the simulated microwave link, judging that the simulated microwave link is not suitable for simulating an actual microwave link, and sending a prompt message to prompt by using an alarm mechanism to perform the optimization of the simulated microwave link, wherein the optimization of the simulated microwave link comprises the steps of adjusting model parameters, improving a signal processing method and optimizing a propagation medium; and monitoring an evaluation index of the simulated microwave link for the optimized simulated microwave link, and ensuring that the simulation of the simulated microwave link is available.
In the embodiment, the performance problem in the simulated microwave link can be rapidly found by monitoring the operation of the simulated microwave link in real time and performing simulation comparison with the actual microwave link, and when the evaluation index exceeds the threshold value, the system provides an optimization scheme of the simulated microwave link, including the steps of adjusting model parameters, improving a signal processing method and optimizing a propagation medium, so that the performance of the simulated microwave link can be improved, and the characteristics of the actual microwave link can be better reflected; by ensuring the simulation availability of the simulation microwave link, the design scheme is beneficial to improving the availability of the whole network; the automatic monitoring, alarming and optimizing mechanism can reduce the cost of system maintenance, reduce the requirement for manual intervention and debugging and improve the efficiency of the system.
Specifically, the method for obtaining the microwave link performance detection index specifically includes: based on the simulation available condition of the simulated microwave link to the actual microwave link, a microwave link performance detection model is constructed by analyzing a microwave signal quality evaluation value of the simulated microwave link and a communication performance evaluation value of the simulated microwave link and is used for monitoring the operation performance of the microwave link in real time so as to obtain a microwave link performance detection index, and the calculation formula of the microwave link performance detection index is as follows:
；
Where xi is expressed as a microwave link performance detection index, Denoted as a microwave link performance detection correction factor, η 1 denoted as an analog microwave link microwave signal quality evaluation value, η 2 denoted as an analog microwave link communication performance evaluation value, and q1, q2 respectively denoted as weight factors for the microwave signal quality corresponding to the microwave link communication performance.
In this embodiment, the microwave link performance detection correction factor is obtained by collecting performance data of an actual microwave link, performing detailed actual measurement analysis, comparing the performance data with a theoretical value or a standard value, finding a deviation in a performance evaluation value, further obtaining the performance evaluation value by analyzing the deviation, or performing calibration test periodically, using test equipment with known accurate performance, measuring the performance of the microwave link, comparing the actual measurement value with the known accurate value, and calculating to obtain the performance evaluation value; by monitoring and evaluating the signal quality and communication performance of the microwave link in real time, potential fault signs can be found early, network resources can be planned and managed more effectively, the bandwidth utilization rate is improved, the packet loss rate in signal transmission is reduced, and the overall efficiency of the network is optimized.
Specifically, identifying the risk of failure specifically includes: comparing and analyzing the microwave link performance detection index with a microwave link performance detection threshold, judging that the microwave link has abnormal performance fault risk when the microwave link performance detection index is lower than the microwave link performance detection threshold, sending a prompt message by using an alarm mechanism to prompt the microwave link to perform microwave link fault investigation and performance optimization treatment, wherein the performance optimization treatment comprises: adjusting transmitting-receiving antenna, adjusting microwave signal transmitting power, configuring clock synchronization, and upgrading hardware equipment.
In this embodiment, by comparing the performance detection index of the microwave link with the set performance detection threshold, the operation condition of the microwave link can be monitored in real time, and once the performance index is lower than the threshold, an alarm can be sent out in time to remind operation and maintenance personnel of paying attention to possible abnormal performance faults, so that the problems can be discovered early, and the influence of the faults on the service can be reduced; through the optimization means, the performance of the microwave link can be effectively improved, the overall performance of the network is further improved, the risk of service interruption is reduced, and the stability and reliability of the communication network are ensured.
The following points need to be described:
(1) The drawings of the embodiments of the present invention relate only to the structures related to the embodiments of the present invention, and other structures may refer to the general designs.
(2) In the drawings for describing embodiments of the present invention, the thickness of layers or regions is exaggerated or reduced for clarity, i.e., the drawings are not drawn to actual scale. It will be understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, it can be "directly on" or "under" the other element or intervening elements may be present.
(3) The embodiments of the invention and the features of the embodiments can be combined with each other to give new embodiments without conflict.
The present invention is not limited to the above embodiments, but the scope of the invention is defined by the claims.
Claims (6)
1. The microwave system performance detection method based on the microwave link is characterized by comprising the following steps of:
Acquiring an evaluation value of the quality of a microwave signal of a simulated microwave link and an evaluation value of the communication performance of the simulated microwave link, which are respectively used for evaluating the quality condition of the microwave signal in the transmission process of the simulated microwave link and the communication capacity of the simulated microwave link;
The method for estimating the quality of the microwave signal of the analog microwave link comprises the following specific calculation modes:
the method comprises the steps of obtaining an evaluation value of microwave signal quality of an analog microwave link through analysis and calculation of an error rate of the microwave signal of the analog microwave link, a signal-to-noise ratio of the microwave signal of the analog microwave link and transmission loss of the microwave signal of the analog microwave link, wherein the evaluation value of microwave signal quality of the analog microwave link is calculated according to the following formula:
；
Wherein η 1 is represented as an analog microwave link microwave signal quality evaluation value, i is represented as an analog microwave link model training number, i=1, 2,3,. N, ω 1i is represented as an i-th analog microwave link microwave signal error rate, ω 2i is represented as an i-th analog microwave link microwave signal to noise ratio, ω 3i is represented as an i-th analog microwave link microwave signal transmission loss, Δω 1 ' is represented as a preset value of an analog microwave link microwave signal error rate, Δω 2 ' is represented as a preset value of an analog microwave link microwave signal to noise ratio, Δω 3 ' is represented as a preset value of an analog microwave link microwave signal transmission loss, and a1, a2, a3 are respectively represented as weight factors corresponding to the analog microwave link microwave signal error rate, the analog microwave link microwave signal to noise ratio, and the analog microwave link microwave signal transmission loss;
The specific calculation mode of the simulated microwave link communication performance evaluation value is as follows:
the method comprises the steps of obtaining an evaluation value of the communication performance of the analog microwave link through analysis and calculation of the transmission rate and the transmission delay of the analog microwave link, wherein the evaluation value of the communication performance of the analog microwave link is calculated according to the following formula:
；
Wherein eta 2 is expressed as an evaluation value of communication performance of the analog microwave link, iota 1i is expressed as an i-th analog microwave link transmission rate, iota 2i is expressed as an i-th analog microwave link transmission delay, delta iota 1 'is expressed as a preset value of the analog microwave link transmission rate, delta iota 2' is expressed as a preset value of the analog microwave link transmission delay, and r1 and r2 are respectively expressed as weight factors corresponding to the analog microwave link transmission rate and the analog microwave link transmission delay;
Acquiring actual measurement information of the microwave link performance, and further acquiring an evaluation index of the simulated microwave link by combining the evaluation value of the microwave signal quality of the simulated microwave link and the evaluation value of the communication performance of the simulated microwave link, wherein the evaluation index is used for evaluating the simulated availability of the simulated microwave link so as to realize the optimization and modification of the simulated microwave link;
the obtaining the evaluation index of the simulated microwave link specifically comprises the following steps:
The method comprises the steps of constructing an available evaluation model of a simulated microwave link by combining a microwave signal quality evaluation value of the simulated microwave link and a communication performance evaluation value analysis of the simulated microwave link through a microwave signal quality evaluation actual measurement value of the microwave link and a communication performance evaluation actual measurement value of the microwave link, and obtaining an evaluation index of the simulated microwave link, wherein the evaluation index of the simulated microwave link is calculated according to the following formula:
；
Wherein sigma is expressed as an analog microwave link evaluation index, mu 1 is expressed as a microwave link microwave signal quality evaluation actual measurement value, mu 2 is expressed as a microwave link communication performance evaluation actual measurement value, eta 1 is expressed as an analog microwave link microwave signal quality evaluation value, eta 2 is expressed as an analog microwave link communication performance evaluation value, q1 and q2 are respectively expressed as weight factors of which the microwave signal quality corresponds to the microwave link communication performance, and e is expressed as a natural constant;
Acquiring a microwave link performance detection index through a microwave signal quality evaluation value of the simulated microwave link and a communication performance evaluation value of the simulated microwave link, and performing real-time monitoring on the operation of the microwave link to identify fault risks and further perform fault early warning;
the obtaining the microwave link performance detection index specifically includes:
Based on the simulation available condition of the simulated microwave link to the actual microwave link, a microwave link performance detection model is constructed by analyzing a microwave signal quality evaluation value of the simulated microwave link and a communication performance evaluation value of the simulated microwave link and is used for monitoring the operation performance of the microwave link in real time so as to obtain a microwave link performance detection index, and the calculation formula of the microwave link performance detection index is as follows:
；
In the middle of Expressed as microwave link performance detection index,/>Denoted as a microwave link performance detection correction factor, η 1 denoted as an analog microwave link microwave signal quality evaluation value, η 2 denoted as an analog microwave link communication performance evaluation value, and q1, q2 respectively denoted as weight factors for the microwave signal quality corresponding to the microwave link communication performance.
2. The microwave system performance detection method based on the microwave link according to claim 1, wherein the obtaining the microwave signal quality evaluation value of the analog microwave link and the communication performance evaluation value of the analog microwave link specifically includes:
constructing a simulated microwave link model for simulating the propagation process of microwave signals in a microwave link;
Acquiring related information of a simulated microwave link model, wherein the related information comprises simulated microwave link microwave signal information and simulated microwave link communication performance information;
And respectively analyzing the microwave signal information of the simulated microwave link and the communication performance information of the simulated microwave link, constructing a microwave signal quality evaluation model of the simulated microwave link and a communication performance evaluation model of the simulated microwave link, and obtaining a microwave signal quality evaluation value of the simulated microwave link and a communication performance evaluation value of the simulated microwave link.
3. The microwave system performance detection method based on the microwave link according to claim 2, wherein the microwave signal information of the analog microwave link specifically comprises: the error rate of the microwave signal of the analog microwave link, the signal-to-noise ratio of the microwave signal of the analog microwave link and the transmission loss of the microwave signal of the analog microwave link;
The simulated microwave link communication performance information specifically comprises: and simulating the transmission rate and the transmission delay of the microwave link.
4. The method for detecting the performance of a microwave system based on a microwave link according to claim 1, wherein the obtaining the actual measurement information of the performance of the microwave link specifically includes:
monitoring the actual microwave link for a plurality of signal propagation processes, and acquiring the actual microwave link performance measured information in the actual microwave link for a plurality of signal propagation processes, wherein the actual microwave link performance measured information comprises the microwave link microwave signal measured information and the microwave link actual communication performance information;
and respectively analyzing and calculating through the microwave link microwave signal actual measurement information and the microwave link actual measurement communication performance information to obtain a microwave link microwave signal quality evaluation actual measurement value and a microwave link communication performance evaluation actual measurement value.
5. The microwave system performance detection method based on the microwave link according to claim 4, wherein the evaluation simulates a simulation availability of the microwave link, specifically comprises: comparing and analyzing the simulated microwave link evaluation index with a simulated microwave link evaluation threshold, judging that the simulated microwave link is usable for simulating an actual microwave link when the simulated microwave link evaluation index is lower than or equal to the simulated microwave link evaluation threshold, and monitoring the operation of the actual microwave link by monitoring the operation of the simulated microwave link in real time;
When the evaluation index of the simulated microwave link exceeds the evaluation threshold of the simulated microwave link, judging that the simulated microwave link is not suitable for simulating an actual microwave link, and sending a prompt message to prompt by using an alarm mechanism to perform the optimization of the simulated microwave link, wherein the optimization of the simulated microwave link comprises the steps of adjusting model parameters, improving a signal processing method and optimizing a propagation medium;
And monitoring an evaluation index of the simulated microwave link for the optimized simulated microwave link, and ensuring that the simulation of the simulated microwave link is available.
6. The method for detecting performance of a microwave system based on a microwave link according to claim 5, wherein the identifying the risk of failure specifically comprises: comparing and analyzing the microwave link performance detection index with a microwave link performance detection threshold, judging that the microwave link has abnormal performance fault risk when the microwave link performance detection index is lower than the microwave link performance detection threshold, sending a prompt message by using an alarm mechanism to prompt the microwave link to perform microwave link fault investigation and performance optimization treatment, wherein the performance optimization treatment comprises: adjusting transmitting-receiving antenna, adjusting microwave signal transmitting power, configuring clock synchronization, and upgrading hardware equipment.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5794128A (en) * | 1995-09-20 | 1998-08-11 | The United States Of America As Represented By The Secretary Of The Army | Apparatus and processes for realistic simulation of wireless information transport systems |
| CN105871486A (en) * | 2015-01-20 | 2016-08-17 | 中国科学院上海高等研究院 | Channel model construction method and simulation method for wireless sensor network |
| CN108337036A (en) * | 2018-02-06 | 2018-07-27 | 西安四方星途测控技术有限公司 | Inter-satellite link simulation system based on navigation satellite constellation |
| WO2020038040A1 (en) * | 2018-08-22 | 2020-02-27 | 郑州云海信息技术有限公司 | Signal quality evaluation method, apparatus and device for signal link, and readable storage medium |
| CN112637883A (en) * | 2020-12-09 | 2021-04-09 | 深圳智芯微电子科技有限公司 | Federal learning method with robustness to wireless environment change in power Internet of things |
| CN113498071A (en) * | 2020-03-20 | 2021-10-12 | 大众汽车股份公司 | Method, apparatus and program for predicting future quality of service of a wireless communication link |
| CN116437365A (en) * | 2022-12-30 | 2023-07-14 | 国网江苏省电力有限公司 | Wireless sensor network link quality evaluation method and system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220247652A1 (en) * | 2021-01-29 | 2022-08-04 | Marvell Asia Pte Ltd | Link-quality estimation and anomaly detection in high-speed wireline receivers |
-
2024
- 2024-02-04 CN CN202410156771.3A patent/CN117692940B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5794128A (en) * | 1995-09-20 | 1998-08-11 | The United States Of America As Represented By The Secretary Of The Army | Apparatus and processes for realistic simulation of wireless information transport systems |
| CN105871486A (en) * | 2015-01-20 | 2016-08-17 | 中国科学院上海高等研究院 | Channel model construction method and simulation method for wireless sensor network |
| CN108337036A (en) * | 2018-02-06 | 2018-07-27 | 西安四方星途测控技术有限公司 | Inter-satellite link simulation system based on navigation satellite constellation |
| WO2020038040A1 (en) * | 2018-08-22 | 2020-02-27 | 郑州云海信息技术有限公司 | Signal quality evaluation method, apparatus and device for signal link, and readable storage medium |
| CN113498071A (en) * | 2020-03-20 | 2021-10-12 | 大众汽车股份公司 | Method, apparatus and program for predicting future quality of service of a wireless communication link |
| CN112637883A (en) * | 2020-12-09 | 2021-04-09 | 深圳智芯微电子科技有限公司 | Federal learning method with robustness to wireless environment change in power Internet of things |
| CN116437365A (en) * | 2022-12-30 | 2023-07-14 | 国网江苏省电力有限公司 | Wireless sensor network link quality evaluation method and system |
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Denomination of invention: A performance testing method for microwave systems based on microwave links Granted publication date: 20240426 Pledgee: China Construction Bank Corporation Beijing Anhua Sub-branch Pledgor: Beijing dayeqiao Technology Co.,Ltd. Registration number: Y2024980034036 |