A communication method and system based on air-ground integrated network

Abstract

The present invention relates to the field of network communication technology, and in particular to a communication method and system based on an air-space-ground integrated network, including an air-space-ground integrated network platform, a link information unit, a link performance unit, a link interference unit, a communication quality evaluation unit, a communication optimization unit and a communication management unit; the present invention analyzes the communication performance and communication quality of the communication link in the air-space-ground integrated network to understand the communication efficiency and service quality of the communication link, so as to perform communication management according to information feedback to ensure the communication quality of the communication link, perform communication quality supervision division analysis on the communication link, and analyze the communication risk interference factors of the communication link to improve the comprehensiveness of the analysis data, which is helpful to realize the effective transmission of data, and analyzes it by means of information feedback so as to perform optimal path transmission on the data to be transmitted, so as to improve the optimal transmission effect of the communication link.

Description

Technical Field

[0001] The present invention relates to the field of network communication technology, and in particular to a communication method and system based on an air-ground integrated network. Background Art

[0002] The integrated air-space-ground network is based on the existing ground-based network, supplemented and extended by space-based networks, air-based networks and underwater networks, to form information connectivity coverage capabilities covering the entire area, and provide ubiquitous, intelligent, collaborative and efficient information security infrastructure for various information and intelligent applications in a wide area of ​​space. It is a necessary infrastructure to support the future information society and even the development of intelligence.

[0003] At present, the communication links between satellites and air-based platforms and ground terminals in the integrated air-ground-space network cannot be supervised, resulting in unstable link quality, which in turn affects the communication quality and efficiency. It is also impossible to make reasonable link adjustments based on the dynamic performance trend of the communication links, which is not conducive to the effective transmission of the communication links, and it is impossible to reasonably match the transmission paths, thereby reducing communication efficiency.

[0004] In view of the above technical defects, a solution is now proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a communication method and system based on an integrated air-space-ground-integrated network to solve the technical defects mentioned above. The present invention analyzes the communication performance and communication quality of the communication links in the integrated air-space-ground-integrated network to understand the communication efficiency and service quality of the communication links, so as to perform communication management according to the information feedback to ensure the communication quality of the communication links, perform communication quality supervision division analysis on the communication links, and analyze the communication risk interference factors of the communication links to improve the comprehensiveness of the analysis data, which helps to accurately understand the communication quality of each communication link to achieve effective data transmission, and perform preferential communication matching analysis on the communication links by means of information feedback to perform preferential path transmission on the data to be transmitted, so as to improve the preferential transmission effect of the communication links, so as to ensure that the data is transmitted quickly and reliably in the network.

[0006] The object of the present invention can be achieved by the following technical solutions: A communication system based on an air-ground integrated network, comprising an air-ground integrated network platform, a link information unit, a link performance unit, a link interference unit, a communication quality evaluation unit, a communication priority unit and a communication management unit;

[0007] The link information unit is used to collect state risk information and risk interference data of the communication link, and send the state risk information and risk interference data to the link performance unit and the link interference unit respectively;

[0008] After receiving the state risk information, the link performance unit immediately performs link state performance supervision and analysis on the state risk information, and sends the obtained risk signal to the communication management unit;

[0009] The link interference unit is used to perform communication interference supervision assessment analysis on the risk interference data to obtain a communication interference assessment coefficient, further divide and analyze the communication interference assessment coefficient, and send the obtained communication risk level TJ to the communication quality assessment unit;

[0010] The communication quality assessment unit is used to perform communication quality supervision division analysis on the communication link to obtain a link quality assessment coefficient Z, and compare and analyze the obtained link quality assessment coefficient Z to obtain a normal signal and an adjustment signal;

[0011] The communication optimization unit is used to perform optimization communication matching analysis on the communication link, obtain the path efficiency evaluation coefficient Rn, set the reachable path corresponding to the minimum value of the path efficiency evaluation coefficient Rn as the optimal path, and send the optimal path to the communication management unit.

[0012] Preferably, the link status performance supervision and analysis process of the link performance unit is as follows:

[0013] The working time period of each communication link in the integrated air-ground-space network is collected and set as the time threshold. The time threshold is divided into i sub-time periods, where i is a natural number greater than zero. The state risk information of each communication link in each sub-time period is obtained. The state risk information includes a link performance value and an efficiency evaluation value. A rectangular coordinate system is established with the number of sub-time periods as the X-axis and the link performance value and the efficiency evaluation value as the Y-axis. A link performance value curve and an efficiency evaluation value curve are drawn by plotting points, respectively. The maximum peak value and the minimum trough value in the link performance value curve and the efficiency evaluation value curve are obtained, respectively. The difference between the maximum peak value and the minimum trough value in the link performance value curve and the efficiency evaluation value curve is set as the link performance floating value and the efficiency floating value, respectively.

[0014] The link performance value indicates the proportion of the time corresponding to the network delay rate exceeding the preset network delay rate threshold;

[0015] The efficiency evaluation value indicates the number of times the transmission rate is lower than a preset transmission rate threshold.

[0016] Preferably, link performance information within m historical time thresholds is obtained, where m is a natural number greater than zero, and dynamic trend risk assessment and analysis is performed on the link performance information. The specific dynamic trend risk assessment and analysis process is as follows:

[0017] The link performance information includes the link performance floating value and the efficiency floating value. A rectangular coordinate system is established with the number of time thresholds as the X-axis and the link performance floating value and the efficiency floating value as the Y-axis. The link performance floating value curve and the efficiency floating value curve are drawn by plotting points, and then the proportion of the sum of the number of rising segments and the number of horizontal segments connected to the upper end of the rising segments in the link performance floating value curve and the efficiency floating value curve are obtained, and they are set as the link performance coefficient and the efficiency risk coefficient respectively.

[0018] Compare and analyze the link performance coefficient and efficiency risk coefficient with the preset link performance coefficient threshold and preset efficiency risk coefficient threshold that are stored internally:

[0019] If the link performance coefficient is less than the preset link performance coefficient threshold, and the efficiency risk coefficient is less than the preset efficiency risk coefficient threshold, no signal is generated;

[0020] If the link performance coefficient is greater than or equal to a preset link performance coefficient threshold, or the efficiency risk coefficient is greater than or equal to a preset efficiency risk coefficient threshold, a risk signal is generated.

[0021] Preferably, the communication interference supervision assessment analysis of the link interference unit:

[0022] S1: Obtain risk interference data for each communication link in each sub-time period. The risk interference data includes a vulnerability patching index and an interference ratio index. The vulnerability patching index indicates the ratio of the time for patching the vulnerability of the communication link. The interference ratio index indicates the ratio of the time for which the communication link is attacked. Compare and analyze the vulnerability patching index and the interference ratio index with the preset vulnerability patching index threshold and the preset interference ratio index threshold that are stored in the internal data entry:

[0023] If the vulnerability patching index is greater than or equal to the preset vulnerability patching index threshold, or the interference ratio index is greater than or equal to the preset interference ratio index threshold, the corresponding sub-time period is determined to be an interference period; if the vulnerability patching index is less than the preset vulnerability patching index threshold, and the interference ratio index is less than the preset interference ratio index threshold, the corresponding sub-time period is determined to be a normal period, and the ratio between the number corresponding to the interference period and the number corresponding to the normal period is set as the communication interference assessment coefficient;

[0024] S2: Compare and analyze the communication interference assessment coefficient with the preset communication interference assessment coefficient range stored internally: if the communication interference assessment coefficient is greater than the maximum value in the preset communication interference assessment coefficient range, a third-level communication risk is determined; if the communication interference assessment coefficient belongs to the preset communication interference assessment coefficient range, a second-level communication risk is determined; if the communication interference assessment coefficient is less than the minimum value in the preset communication interference assessment coefficient range, a first-level communication risk is determined;

[0025] S3: The first-level communication risk, the second-level communication risk and the third-level communication risk are set as the communication risk level TJ, TJ=1, 2, 3.

[0026] Preferably, the communication quality supervision division analysis process of the communication quality evaluation unit is as follows:

[0027] The link performance floating value and efficiency floating value of each communication link within the time threshold are obtained, and the communication risk level TJ of each communication link within the time threshold is obtained at the same time. The link performance floating value and the efficiency floating value are labeled LB and XF respectively. The link performance floating value LB, the efficiency floating value XF and the communication risk level TJ are substituted into the formula Z=(LB×a1+XF×a2)×TJ×a3×a4 to obtain the link quality evaluation coefficient, wherein a1, a2 and a3 are respectively the preset proportional factor coefficients of the link performance floating value LB, the efficiency floating value XF and the communication risk level TJ, a1, a2 and a3 are all greater than zero, a4 is the preset fault tolerance factor coefficient, and the value is 2.118, and Z is the link quality evaluation coefficient. The link quality evaluation coefficient Z is compared and analyzed with the preset link quality evaluation coefficient threshold value stored internally:

[0028] If the ratio between the link quality assessment coefficient Z and the preset link quality assessment coefficient threshold is less than 1, a normal signal is generated;

[0029] If the ratio between the link quality assessment coefficient Z and the preset link quality assessment coefficient threshold is greater than or equal to 1, an adjustment signal is generated.

[0030] Preferably, the optimal communication matching analysis process of the communication optimal selection unit is as follows:

[0031] Obtain the service data of each communication link within the time threshold, the service data including the service volume mean and the safety assessment coefficient, the safety assessment coefficient represents the sum of the number of historical data loss and the number of historical log record errors of the communication link, and the product value obtained by multiplying the service volume mean and the safety assessment coefficient after data normalization is set as the service assessment index;

[0032] All reachable paths for data to be transmitted are obtained, and the reachable paths are marked as n, where n is a natural number greater than zero. The link quality evaluation coefficient Zn in each reachable path is obtained, and the service evaluation index is marked as YPn. The link quality evaluation coefficient Zn and the service evaluation index YPn are substituted into the formula to obtain the path efficiency evaluation coefficient Rn of each reachable path, and the minimum value of the path efficiency evaluation coefficient Rn is obtained. The reachable path corresponding to the minimum value of the path efficiency evaluation coefficient Rn is set as the optimal path.

[0033] The beneficial effects of the present invention are as follows:

[0034] (1) The present invention analyzes the communication performance and communication quality of the communication links in the air-ground integrated network to understand the communication efficiency and service quality of the communication links, so as to perform communication management according to the information feedback, that is, to perform link status performance supervision and analysis on the status risk information to understand the status performance of each link, so as to manage and adjust the abnormal links to ensure the communication quality of the communication links;

[0035] (2) The present invention performs communication quality supervision division analysis on communication links, and analyzes the communication risk interference factors of the communication links in combination to improve the comprehensiveness of the analysis data, which helps to accurately understand the communication quality of each communication link so as to manage and adjust the communication links with poor communication quality to achieve effective data transmission, and performs preferential communication matching analysis on the communication links through information feedback so as to perform preferential path transmission for the data to be transmitted, thereby improving the preferential transmission effect of the communication links and ensuring that the data is transmitted quickly and reliably in the network. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The present invention will be further described below in conjunction with the accompanying drawings;

[0037] Figure 1 It is a flowchart of the system of the present invention;

[0038] Figure 2 It is a reference diagram of the method of the present invention. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Embodiment 1:

[0041] See also Figure 1 to Figure 2 As shown, the present invention is a communication system based on an air-ground-integrated network, comprising an air-ground-integrated network platform, a link information unit, a link performance unit, a link interference unit, a communication quality assessment unit, a communication preference unit and a communication management unit, the air-ground-integrated network platform is connected to the link information unit in a one-way communication manner, the link information unit is connected to the link performance unit and the link interference unit in a one-way communication manner, the link interference unit is connected to the communication quality assessment unit in a one-way communication manner, the link performance unit is connected to the communication management unit in a one-way communication manner, the communication quality assessment unit is connected to the communication preference unit and the communication management unit in a one-way communication manner, and the communication preference unit is connected to the communication management unit in a one-way communication manner.

[0042] When the air-ground integrated network platform generates a supervision instruction, the supervision instruction is sent to the link information unit. After receiving the supervision instruction, the link information unit is used to collect the state risk information and risk interference data of the communication link, and send the state risk information and risk interference data to the link performance unit and the link interference unit respectively. After receiving the state risk information, the link performance unit immediately performs link state performance supervision analysis on the state risk information to understand the state performance of each link, so as to manage and adjust the abnormal link to ensure the communication quality of the communication link. The specific link state performance supervision analysis process is as follows:

[0043] The working time period of each communication link in the integrated air-ground-space network is collected and set as the time threshold. The time threshold is divided into i sub-time periods, where i is a natural number greater than zero. The state risk information of each communication link in each sub-time period is obtained. The state risk information includes a link performance value and an efficiency evaluation value. A rectangular coordinate system is established with the number of sub-time periods as the X-axis and the link performance value and the efficiency evaluation value as the Y-axis. A link performance value curve and an efficiency evaluation value curve are drawn by plotting points, respectively. The maximum peak value and the minimum trough value in the link performance value curve and the efficiency evaluation value curve are obtained, respectively. The difference between the maximum peak value and the minimum trough value in the link performance value curve and the efficiency evaluation value curve is set as the link performance floating value and the efficiency floating value, respectively.

[0044] In the embodiment of the present invention, the link performance value indicates the proportion of the time corresponding to the preset network delay rate threshold value that the network delay rate exceeds. It should be noted that the performance analysis is performed from the perspective of the network delay time to understand the performance of the network link so as to manage the network link.

[0045] In the embodiment of the present invention, the efficiency evaluation value indicates the number of occurrences corresponding to the transmission rate being lower than the preset transmission rate threshold. It should be noted that the analysis is performed from the perspective of the network transmission rate to understand the performance of the network link transmission rate.

[0046] In the embodiment of the present invention, the air-ground integrated network platform is responsible for integrating the ground network, air-based network, underwater network and satellite network into a unified communication system and managing them to achieve global seamless coverage, high-speed transmission and low-latency services;

[0047] Then, the link performance information within the historical m time thresholds is obtained, where m is a natural number greater than zero. Dynamic trend risk assessment and analysis is performed on the link performance information to obtain the link performance coefficient and efficiency risk coefficient. The specific dynamic trend risk assessment and analysis process is as follows:

[0048] The link performance information includes the link performance floating value and the efficiency floating value. A rectangular coordinate system is established with the number of time thresholds as the X-axis and the link performance floating value and the efficiency floating value as the Y-axis. The link performance floating value curve and the efficiency floating value curve are drawn by plotting points, and then the proportion of the sum of the number of rising segments and the number of horizontal segments connected to the upper end of the rising segments in the link performance floating value curve and the efficiency floating value curve are obtained, and they are set as the link performance coefficient and the efficiency risk coefficient respectively.

[0049] Compare and analyze the link performance coefficient and efficiency risk coefficient with the preset link performance coefficient threshold and preset efficiency risk coefficient threshold that are stored internally:

[0050] If the link performance coefficient is less than the preset link performance coefficient threshold, and the efficiency risk coefficient is less than the preset efficiency risk coefficient threshold, no signal is generated;

[0051] If the link performance coefficient is greater than or equal to the preset link performance coefficient threshold, or the efficiency risk coefficient is greater than or equal to the preset efficiency risk coefficient threshold, a risk signal is generated and sent to the communication management unit. After receiving the risk signal, the communication management unit immediately displays the preset warning text corresponding to the risk signal, and then manages and adjusts the communication link corresponding to the risk signal, that is, optimizes the data transmission path, improves the communication efficiency and service quality, thereby improving the communication efficiency and service quality;

[0052] The link interference unit is used to perform communication interference supervision assessment and analysis on risk interference data, which helps to understand the risk classification of communication links. The specific communication interference supervision assessment and analysis are as follows:

[0053] The risk interference data of each communication link in each sub-time period is obtained. The risk interference data includes a vulnerability patching index and an interference ratio index. The vulnerability patching index indicates the ratio of the time for patching the vulnerability of the communication link. The interference ratio index indicates the ratio of the time for which the communication link is attacked. The vulnerability patching index and the interference ratio index are compared and analyzed with the preset vulnerability patching index threshold and the preset interference ratio index threshold that are recorded and stored internally:

[0054] If the vulnerability patching index is greater than or equal to the preset vulnerability patching index threshold, or the interference ratio index is greater than or equal to the preset interference ratio index threshold, the corresponding sub-time period is determined to be an interference period; if the vulnerability patching index is less than the preset vulnerability patching index threshold, and the interference ratio index is less than the preset interference ratio index threshold, the corresponding sub-time period is determined to be a normal period, and the ratio between the number corresponding to the interference period and the number corresponding to the normal period is set as the communication interference assessment coefficient. It should be noted that the larger the value of the communication interference assessment coefficient, the greater the communication risk of the communication link;

[0055] Compare and analyze the communication interference assessment coefficient with the preset communication interference assessment coefficient range stored internally:

[0056] If the communication interference assessment coefficient is greater than the maximum value in the preset communication interference assessment coefficient range, a third-level communication risk is determined;

[0057] If the communication interference assessment coefficient falls within the preset communication interference assessment coefficient range, a secondary communication risk is determined;

[0058] If the communication interference assessment coefficient is less than the minimum value in the preset communication interference assessment coefficient range, a first-level communication risk is determined, wherein the greater the degree of communication risk corresponding to the first-level communication risk, the second-level communication risk and the third-level communication risk, the first-level communication risk, the second-level communication risk and the third-level communication risk are set as communication risk levels TJ, TJ=1, 2, 3, that is, when the communication risk level TJ=1, it indicates a first-level communication risk, when the communication risk level TJ=2, it indicates a second-level communication risk, and when the communication risk level TJ=3, it indicates a third-level communication risk, and the communication risk level TJ is sent to the communication quality assessment unit.

[0059] In the embodiment of the present invention, the risk situation of the communication link is quantified by the communication risk level TJ, so as to provide data support for the subsequent communication quality analysis of the communication link.

[0060] Embodiment 2:

[0061] The communication quality assessment unit is used to perform communication quality supervision and division analysis on the communication links to understand the communication quality of each communication link so as to manage and adjust the communication links with poor communication quality to achieve effective data transmission. The specific communication quality supervision and division analysis process is as follows:

[0062] The link performance floating value and efficiency floating value of each communication link within the time threshold are obtained, and the communication risk level TJ of each communication link within the time threshold is obtained at the same time. The link performance floating value and the efficiency floating value are labeled LB and XF respectively. The link performance floating value LB, the efficiency floating value XF and the communication risk level TJ are substituted into the formula Z=(LB×a1+XF×a2)×TJ×a3×a4 to obtain the link quality evaluation coefficient, wherein a1, a2 and a3 are respectively the preset proportional factor coefficients of the link performance floating value LB, the efficiency floating value XF and the communication risk level TJ. The proportional factor coefficient is used to correct the deviation of various parameters in the formula calculation process, so as to make the calculation result more accurate. a1, a2 and a3 are all greater than zero. a4 is the preset fault tolerance factor coefficient, and the value is 2.118. Z is the link quality evaluation coefficient. The link quality evaluation coefficient Z is compared and analyzed with the preset link quality evaluation coefficient threshold value stored internally:

[0063] If the ratio between the link quality assessment coefficient Z and the preset link quality assessment coefficient threshold is less than 1, a normal signal is generated;

[0064] If the ratio between the link quality assessment coefficient Z and the preset link quality assessment coefficient threshold is greater than or equal to 1, an adjustment signal is generated and sent to the communication management unit. After receiving the adjustment signal, the communication management unit immediately displays the preset warning text corresponding to the adjustment signal, and then manages and adjusts the communication link corresponding to the adjustment signal to improve the communication efficiency and communication quality of the communication link;

[0065] When a normal signal is generated, the communication optimization unit is used to perform optimization communication matching analysis on the communication link so as to optimize the path transmission of the data to be transmitted to improve the optimization transmission effect of the communication link. The specific optimization communication matching analysis process is as follows:

[0066] The business data of each communication link within the time threshold is obtained, and the business data includes the mean value of business volume and the safety assessment coefficient. The safety assessment coefficient represents the sum of the number of historical data loss and the number of historical log record errors of the communication link, and the product value obtained by multiplying the mean value of business volume and the value of the safety assessment coefficient after data normalization is set as the business assessment index. It should be noted that the larger the value of the business assessment index, the greater the risk of abnormal communication efficiency of the communication link;

[0067] Obtain all reachable paths for data to be transmitted, mark the reachable paths as n, where n is a natural number greater than zero, obtain the link quality evaluation coefficient Zn in each reachable path, label the service evaluation index as YPn, and substitute the link quality evaluation coefficient Zn and the service evaluation index YPn into the formula Rn = (Zn×f1+YPn×f2) 2 ×f3 obtains the path efficiency evaluation coefficient of each reachable path, wherein f1 and f2 are respectively the preset weight factor coefficients of the link quality evaluation coefficient Zn and the service evaluation index YPn, f3 is the preset influence factor coefficient, f1, f2 and f3 are all greater than zero, Rn is the path efficiency evaluation coefficient of each reachable path, obtains the minimum value of the path efficiency evaluation coefficient Rn, and sets the reachable path corresponding to the minimum value of the path efficiency evaluation coefficient Rn as the optimal path, and sends the optimal path to the communication management unit. After receiving the optimal path, the communication management unit immediately displays the preset text corresponding to the optimal path, so as to communicate and transmit the data to be transmitted, so as to ensure that the data is transmitted quickly and reliably in the network, and at the same time helps to improve the preferential transmission effect of the communication link;

[0068] In an embodiment of the present invention, data to be transmitted refers to data packets received by a communication system from a network. These data packets may be information units that need to be transmitted from one place to another, such as from one user device to another user device. The data packets may contain various types of information, such as text, images, audio or video.

[0069] Embodiment three:

[0070] A communication method based on an air-ground integrated network comprises the following steps:

[0071] Step 1: Collect the status risk information and risk interference data of the communication link and send them to step 2 and step 3;

[0072] Step 2: Perform link status performance supervision analysis on the status risk information of the communication link to obtain link performance floating value and efficiency floating value. At the same time, perform dynamic trend risk assessment analysis based on historical link performance information. If a risk signal is obtained, feedback adjustment management is performed.

[0073] Step 3: Perform communication interference supervision assessment analysis on the risk interference data of the communication link to obtain a communication interference assessment coefficient, and further perform grade classification feedback analysis on the communication interference assessment coefficient to obtain a communication risk level TJ and proceed to step 4;

[0074] Step 4: Perform communication quality supervision division analysis on the communication link, and compare and analyze the obtained link quality assessment coefficient Z. If a normal signal is obtained, proceed to step 5; if an adjustment signal is obtained, feedback adjustment management is performed;

[0075] Step 5: Perform optimal communication matching analysis on the communication links by means of information feedback to obtain the minimum value of the path efficiency evaluation coefficient Rn, and set the reachable path corresponding to the minimum value of the path efficiency evaluation coefficient Rn as the optimal path, and feedback the optimal path at the same time;

[0076] In summary, the present invention analyzes the communication performance and communication quality of the communication links in the integrated air-ground-space network to understand the communication efficiency and service quality of the communication links, so as to perform communication management according to information feedback, that is, to perform link status performance supervision analysis on the status risk information to understand the status performance of each link, so as to manage and adjust the abnormal links to ensure the communication quality of the communication links, to perform communication quality supervision division analysis on the communication links, and to analyze the communication risk interference factors of the communication links to improve the comprehensiveness of the analysis data, which helps to accurately understand the communication quality of each communication link, so as to manage and adjust the communication links with poor communication quality to achieve effective data transmission, and to perform preferential communication matching analysis on the communication links by means of information feedback, so as to perform preferential path transmission on the data to be transmitted, so as to improve the preferential transmission effect of the communication links, so as to ensure that the data is transmitted quickly and reliably in the network.

[0077] The threshold is set to facilitate comparison. The size of the threshold depends on the amount of sample data and the number of bases set by technicians in this field for each group of sample data; as long as it does not affect the proportional relationship between the parameter and the quantized value.

[0078] The above formulas are obtained by collecting a large amount of data for software simulation and selecting a formula that is close to the actual value. The coefficients in the formula are set by technical personnel in this field according to actual conditions. The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited to this. Any technical personnel familiar with the technical field within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, make equivalent replacement or change, which should be covered within the protection scope of the present invention.

Claims

1. A communication system based on an air-ground integrated network, characterized in that: It includes an air-ground integrated network platform, a link information unit, a link performance unit, a link interference unit, a communication quality assessment unit, a communication optimization unit, and a communication management unit; The link information unit is used to collect state risk information and risk interference data of the communication link, and send the state risk information and risk interference data to the link performance unit and the link interference unit respectively; After receiving the state risk information, the link performance unit performs a link state performance supervision analysis on the state risk information and sends the obtained risk signal to the communication management unit; The link interference unit is used to perform communication interference supervision assessment analysis on the risk interference data to obtain a communication interference assessment coefficient, divide and analyze the communication interference assessment coefficient, and send the obtained communication risk level TJ to the communication quality assessment unit; The communication quality assessment unit is used to perform communication quality supervision division analysis on the communication link to obtain a link quality assessment coefficient Z, and compare and analyze the obtained link quality assessment coefficient Z to obtain a normal signal and an adjustment signal; The communication optimization unit is used to perform optimization communication matching analysis on the communication link, obtain the path efficiency evaluation coefficient Rn, set the reachable path corresponding to the minimum value of the path efficiency evaluation coefficient Rn as the optimal path, and send the optimal path to the communication management unit; The link status performance supervision and analysis process of the link performance unit is as follows: The working time period of each communication link in the integrated air-ground-space network is collected and set as the time threshold. The time threshold is divided into i sub-time periods, where i is a natural number greater than zero. The state risk information of each communication link in each sub-time period is obtained. The state risk information includes a link performance value and an efficiency evaluation value. A rectangular coordinate system is established with the number of sub-time periods as the X-axis and the link performance value and the efficiency evaluation value as the Y-axis. A link performance value curve and an efficiency evaluation value curve are drawn by plotting points, respectively. The maximum peak value and the minimum trough value in the link performance value curve and the efficiency evaluation value curve are obtained, respectively. The difference between the maximum peak value and the minimum trough value in the link performance value curve and the efficiency evaluation value curve is set as the link performance floating value and the efficiency floating value, respectively. The link performance value indicates the proportion of the time corresponding to the network delay rate exceeding the preset network delay rate threshold; The efficiency evaluation value indicates the number of times the transmission rate is lower than the preset transmission rate threshold; The link performance information within the historical m time thresholds is obtained, where m is a natural number greater than zero, and a dynamic trend risk assessment and analysis is performed on the link performance information. The specific dynamic trend risk assessment and analysis process is as follows: The link performance information includes the link performance floating value and the efficiency floating value. A rectangular coordinate system is established with the number of time thresholds as the X-axis and the link performance floating value and the efficiency floating value as the Y-axis. The link performance floating value curve and the efficiency floating value curve are drawn by plotting points, and then the proportion of the sum of the number of rising segments and the number of horizontal segments connected to the upper end of the rising segments in the link performance floating value curve and the efficiency floating value curve are obtained, and they are set as the link performance coefficient and the efficiency risk coefficient respectively. Compare and analyze the link performance coefficient and efficiency risk coefficient with the preset link performance coefficient threshold and preset efficiency risk coefficient threshold that are stored internally: If the link performance coefficient is less than the preset link performance coefficient threshold, and the efficiency risk coefficient is less than the preset efficiency risk coefficient threshold, no signal is generated; If the link performance coefficient is greater than or equal to a preset link performance coefficient threshold, or the efficiency risk coefficient is greater than or equal to a preset efficiency risk coefficient threshold, a risk signal is generated; Communication interference supervision assessment analysis of the link interference unit: S1: Obtain risk interference data for each communication link in each sub-time period. The risk interference data includes a vulnerability patching index and an interference ratio index. The vulnerability patching index indicates the ratio of the time for patching the vulnerability of the communication link. The interference ratio index indicates the ratio of the time for which the communication link is attacked. Compare and analyze the vulnerability patching index and the interference ratio index with the preset vulnerability patching index threshold and the preset interference ratio index threshold that are stored in the internal data entry: If the vulnerability patching index is greater than or equal to the preset vulnerability patching index threshold, or the interference ratio index is greater than or equal to the preset interference ratio index threshold, the corresponding sub-time period is determined to be an interference period; if the vulnerability patching index is less than the preset vulnerability patching index threshold, and the interference ratio index is less than the preset interference ratio index threshold, the corresponding sub-time period is determined to be a normal period, and the ratio between the number corresponding to the interference period and the number corresponding to the normal period is set as the communication interference assessment coefficient; S2: Compare and analyze the communication interference assessment coefficient with the preset communication interference assessment coefficient range stored internally: If the communication interference assessment coefficient is greater than the maximum value in the preset communication interference assessment coefficient range, a third-level communication risk is determined; if the communication interference assessment coefficient falls within the preset communication interference assessment coefficient range, a second-level communication risk is determined; if the communication interference assessment coefficient is less than the minimum value in the preset communication interference assessment coefficient range, a first-level communication risk is determined; S3: setting the first-level communication risk, the second-level communication risk and the third-level communication risk as the communication risk level TJ, TJ = 1, 2, 3; The communication quality supervision division analysis process of the communication quality evaluation unit is as follows: The link performance floating value and efficiency floating value of each communication link within the time threshold are obtained, and the communication risk level TJ of each communication link within the time threshold is obtained at the same time. The link performance floating value and the efficiency floating value are labeled LB and XF respectively. The link performance floating value LB, the efficiency floating value XF and the communication risk level TJ are substituted into the formula Z=(LB×a1+XF×a2)×TJ×a3×a4 to obtain the link quality evaluation coefficient, wherein a1, a2 and a3 are respectively the preset proportional factor coefficients of the link performance floating value LB, the efficiency floating value XF and the communication risk level TJ, a1, a2 and a3 are all greater than zero, a4 is the preset fault tolerance factor coefficient, and Z is the link quality evaluation coefficient. The link quality evaluation coefficient Z is compared and analyzed with the preset link quality evaluation coefficient threshold value stored internally: If the ratio between the link quality assessment coefficient Z and the preset link quality assessment coefficient threshold is less than 1, a normal signal is generated; If the ratio between the link quality assessment coefficient Z and the preset link quality assessment coefficient threshold is greater than or equal to 1, an adjustment signal is generated; The optimal communication matching analysis process of the communication optimal selection unit is as follows: Obtain the service data of each communication link within the time threshold, the service data including the service volume mean and the safety assessment coefficient, the safety assessment coefficient represents the sum of the number of historical data loss and the number of historical log record errors of the communication link, and the product value obtained by multiplying the service volume mean and the safety assessment coefficient after data normalization is set as the service assessment index; All reachable paths for data to be transmitted are obtained, and the reachable paths are marked as n, where n is a natural number greater than zero. The link quality evaluation coefficient Zn in each reachable path is obtained, and the service evaluation index is marked as YPn. The link quality evaluation coefficient Zn and the service evaluation index YPn are substituted into the formula to obtain the path efficiency evaluation coefficient Rn of each reachable path, and the minimum value of the path efficiency evaluation coefficient Rn is obtained. The reachable path corresponding to the minimum value of the path efficiency evaluation coefficient Rn is set as the optimal path.

2. A communication method based on an air-ground integrated network, the method being applied to the communication system based on an air-ground integrated network as claimed in claim 1, characterized in that: The following steps are involved: Step 1: Collect the status risk information and risk interference data of the communication link and send them to step 2 and step 3; Step 2: Perform link status performance supervision analysis on the status risk information of the communication link to obtain link performance floating value and efficiency floating value. At the same time, perform dynamic trend risk assessment analysis based on historical link performance information. If a risk signal is obtained, feedback adjustment management is performed. Step 3: Perform communication interference supervision assessment analysis on the risk interference data of the communication link to obtain a communication interference assessment coefficient, and further perform grade classification feedback analysis on the communication interference assessment coefficient to obtain a communication risk level TJ and proceed to step 4; Step 4: Perform communication quality supervision division analysis on the communication link, and compare and analyze the obtained link quality evaluation coefficient Z. If a normal signal is obtained, proceed to step 5; If an adjustment signal is obtained, feedback is given to the adjustment management; Step 5: Perform optimal communication matching analysis on the communication links by means of information feedback to obtain the minimum value of the path efficiency evaluation coefficient Rn, and set the reachable path corresponding to the minimum value of the path efficiency evaluation coefficient Rn as the optimal path, and feedback the optimal path at the same time.

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