A low-altitude communication navigation integrated management system and method
Through demand analysis, network division and dynamic configuration, combined with sensor network monitoring, the flexibility and adaptability of low-altitude communication navigation systems in complex environments are solved, and accurate demand matching and real-time management are achieved.
Patent Information
- Application Number
- CN202411944385.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2044-12-27
AI Technical Summary
The existing low-altitude communication navigation system is difficult to achieve real-time communication, navigation and management in complex low-altitude environments, lacks flexibility and adaptability, and cannot meet the dynamic needs of multi-scenario environments.
Through demand analysis, network division, dynamic configuration and data acquisition, combined with the real-time monitoring of the environment and equipment status of the sensor network, a dynamic communication navigation management strategy is formulated to achieve accurate division and efficient deployment in low-altitude flight areas.
It improves the system's perception ability and adaptability, and realizes accurate demand matching, flexible network division, dynamic configuration optimization, and real-time data monitoring and management of low-altitude communication navigation systems.
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Figure CN119383560B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of communication network management, and in particular to a low-altitude communication navigation integrated management system and method. Background Art
[0002] With the advancement of the low-altitude airspace opening policy, the demand for low-altitude flight is increasing, which puts higher demands on low-altitude communication and navigation systems. Traditional communication and navigation systems cannot effectively meet the real-time communication, navigation and management needs in complex low-altitude environments.
[0003] In existing technologies, some low-altitude communication and navigation systems use a single communication network or navigation device for regional management, such as through fixed base stations or beacons to support communication and navigation for low-altitude aircraft. However, these solutions often lack flexibility in the complex and diverse environmental characteristics of low-altitude flight areas, making it difficult to adapt to dynamically changing communication needs. Existing technical solutions suffer from the following technical drawbacks: existing systems lack comprehensive perception and dynamic management capabilities for the multi-scenario environment within low-altitude flight areas, making it difficult to accurately partition and efficiently configure different communication network modules. Furthermore, they are unable to provide rapid response and optimized management strategies in complex environments or when equipment status is abnormal.
[0004] Therefore, the present invention provides a low-altitude communication navigation integrated management system and method. Summary of the Invention
[0005] The present invention provides a low-altitude communication and navigation integrated management system and method, which realizes the precise division and efficient deployment of communication networks within low-altitude flight areas through demand analysis, network division, dynamic configuration and data collection. The system's perception capability is enhanced by combining real-time monitoring of the environment and equipment status by sensor networks. Dynamic communication and navigation management strategies are formulated based on analysis and optimization of collected data, thereby improving the flexibility, adaptability and reliability of the system and realizing precise demand matching, flexible network division, dynamic configuration optimization and real-time data monitoring and management of low-altitude communication and navigation systems.
[0006] The present invention provides a low-altitude communication and navigation integrated management system, comprising:
[0007] Demand analysis module: obtains the communication and navigation requirements of the preset low-altitude flight area and conducts demand analysis;
[0008] Network division module: Determines several communication network modules for the preset low-altitude flight area based on the demand analysis results and the scenario characteristics of the preset low-altitude flight area;
[0009] Configuration and deployment module: Based on the divided communication network module, it is deployed using a preset configuration method;
[0010] Data acquisition module: A preset sensor network is deployed inside each communication network module to monitor and collect the surrounding environment data of each communication network module and the device status data of each communication network module;
[0011] Communication management module: Analyzes the collected surrounding environment data of each communication network module and the equipment status data of each communication network module, and then determines the low-altitude communication navigation management strategy based on the analysis results.
[0012] The present invention provides a low-altitude communication and navigation integrated management system, with preset configuration modes including: frequency band allocation mode, topology configuration mode, equipment deployment mode, communication protocol configuration mode, sensor network configuration mode, energy supply configuration mode, redundant backup configuration mode and dynamic adjustment configuration mode.
[0013] The present invention provides a low-altitude communication and navigation integrated management system, a network division module, comprising:
[0014] The first analysis unit performs a first analysis on the scene characteristics of the preset low-altitude flight area to obtain a first feature of the preset low-altitude flight area, and at the same time, performs a second analysis on the scene characteristics of the preset low-altitude flight area to obtain a second feature of the preset low-altitude flight area;
[0015] A first division unit: performing a first division on the preset low-altitude flight area based on a first feature of the preset low-altitude flight area and a preset division method;
[0016] A second division unit: performing a second division on the preset low-altitude flight area after the first division based on a second feature of the preset low-altitude flight area and a preset division method;
[0017] Area determination unit: determines the shape and coverage area of each communication network module based on the demand analysis results and the preset low-altitude flight area scenario;
[0018] The module determination unit determines a number of communication network areas based on the shape and coverage area of each communication network module and the preset low-altitude flight area after the second division, and then determines a number of communication network modules.
[0019] The present invention provides a low-altitude communication and navigation integrated management system, wherein the first analysis unit comprises:
[0020] The first features include: geographical features and geographical electromagnetic interference features, and the second features include: airspace features and aircraft arrangement features.
[0021] The present invention provides a low-altitude communication and navigation integrated management system, an area determination unit, comprising:
[0022] Demand analysis subunit: determines several demand data based on demand analysis results;
[0023] Scenario analysis subunit: Analyzes the scenario of the preset low-altitude flight area to determine the regional characteristics and environmental characteristics of each communication network module;
[0024] Flight analysis subunit: acquires and analyzes relevant data of the aircraft to determine the flight characteristics of the aircraft for each communication network module;
[0025] A coefficient determination subunit: determining a module form factor of each communication network module based on regional characteristics, environmental characteristics, and flight characteristics of the aircraft in combination with demand data;
[0026] A shape determining subunit: determining a module shape of each communication network module based on a module shape coefficient of each communication network module and a preset coefficient-shape data table;
[0027] Area determination subunit: determines the coverage area of each communication network module based on all demand data, regional characteristics of each communication network module and environmental characteristics.
[0028] The present invention provides a low-altitude communication and navigation integrated management system, a coefficient determination subunit, comprising:
[0029] The module form factor of each communication network module is determined based on the regional characteristics, environmental characteristics, and flight characteristics of the aircraft combined with the demand data:
[0030]
[0031]
[0032]
[0033]
[0034]
[0035] in, is the module shape factor of the i-th communication network module, is the regional characteristic coefficient of the i-th communication network module, is the influence coefficient of obstacles in the area where the i-th communication network module is located, is the preset maximum value of the obstacle influence coefficient, is the maximum flight altitude of the aircraft of the i-th communication network module, is the airspace height limit of the i-th communication network module, is the area of the no-fly zone of the i-th communication network module, is the flight area of the i-th communication network module, is the height characteristic influence coefficient, is the flight range characteristic influence coefficient, is the environmental impact coefficient of the i-th communication network module, is the adverse climate impact coefficient of the i-th communication network module, is the attenuation coefficient of climate on signal propagation, is the influence coefficient of electromagnetic interference on signal strength, is the electromagnetic interference intensity of the i-th communication network module, is the flight characteristic coefficient of the aircraft of the i-th communication network module, is the average flight altitude coefficient of the aircraft in the i-th communication network module, is the average flight speed coefficient of the aircraft in the i-th communication network module, is the influence coefficient of aircraft altitude on communication coverage, is the influence coefficient of aircraft flight speed on communication coverage, is the demand characteristics influence coefficient, is the influence coefficient of the importance of the j-th demand, is the impact coefficient of the feasibility of the j-th demand, is the importance coefficient of the jth demand, is the feasibility coefficient of the jth demand, is the adjustment factor of the importance of the j-th requirement, is the adjustment factor for the feasibility of the j-th demand, is the preset maximum importance coefficient, is the preset maximum feasibility coefficient, and ln is the logarithmic function.
[0036] The present invention provides a low-altitude communication and navigation integrated management system, a communication management module, comprising:
[0037] Coefficient determination unit: Analyzes the collected ambient environment data of each communication network module and the device status data of each communication network module to determine the management coefficient of each communication network module;
[0038] Comprehensive analysis unit: determines the comprehensive management coefficient based on the management coefficient of each communication network module and a preset algorithm;
[0039] Strategy determination unit: determines the corresponding low-altitude communication navigation management strategy based on the comprehensive management coefficient and the preset coefficient-strategy database.
[0040] The present invention provides a low-altitude communication navigation integrated management method, comprising:
[0041] Step 1: Obtain the communication and navigation requirements of the preset low-altitude flight area and conduct a demand analysis;
[0042] Step 2: Determine several communication network modules for the preset low-altitude flight area based on the demand analysis results and the scenario characteristics of the preset low-altitude flight area;
[0043] Step 3: Deploy the communication network modules using the preset configuration method.
[0044] Step 4: Deploy a preset sensor network inside each communication network module to monitor and collect the surrounding environment data of each communication network module and the device status data of each communication network module;
[0045] Step 5: Analyze the collected surrounding environment data of each communication network module and the equipment status data of each communication network module, and then determine the low-altitude communication navigation management strategy based on the analysis results.
[0046] Compared with the prior art, the present invention has the following advantages:
[0047] Through demand analysis, network division, dynamic configuration and data collection, the precise division and efficient deployment of communication networks in low-altitude flight areas are achieved. Combined with the real-time monitoring of the environment and equipment status by the sensor network, the system's perception capability is improved. Based on the analysis and optimization of the collected data, a dynamic communication and navigation management strategy is formulated, which improves the flexibility, adaptability and reliability of the system, and realizes precise demand matching, flexible network division, dynamic configuration optimization and real-time data monitoring and management of the low-altitude communication and navigation system. BRIEF DESCRIPTION OF THE DRAWINGS
[0048] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0049] Figure 1 It is a structural diagram of a low-altitude communication and navigation integrated management system provided by an embodiment of the present invention.
[0050] Figure 2 It is a flow chart of a low-altitude communication navigation integrated management method provided by an embodiment of the present invention. DETAILED DESCRIPTION
[0051] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.
[0052] Example 1:
[0053] The embodiment of the present invention provides a low-altitude communication navigation integrated management system, such as Figure 1 Shown, including:
[0054] Demand analysis module: obtains the communication and navigation requirements of the preset low-altitude flight area and conducts demand analysis;
[0055] Network division module: Determines several communication network modules for the preset low-altitude flight area based on the demand analysis results and the scenario characteristics of the preset low-altitude flight area;
[0056] Configuration and deployment module: Based on the divided communication network module, it is deployed using a preset configuration method;
[0057] Data acquisition module: A preset sensor network is deployed inside each communication network module to monitor and collect the surrounding environment data of each communication network module and the device status data of each communication network module;
[0058] Communication management module: Analyzes the collected surrounding environment data of each communication network module and the equipment status data of each communication network module, and then determines the low-altitude communication navigation management strategy based on the analysis results.
[0059] In this embodiment, the preset low-altitude flight zone refers to a geographically defined airspace area for communication and navigation of low-altitude aircraft (such as drones and helicopters). These areas are typically specific low-altitude flight scenarios, such as urban logistics routes, agricultural operations, or disaster relief areas. For example, an airspace below 300 meters in a city is designated as a low-altitude flight zone for drone logistics delivery, and satellite communications are used to cover this area to ensure stable communication and navigation between the aircraft and the ground station.
[0060] In this embodiment, the communication and navigation requirements refer to the functional requirements for communication and navigation put forward by low-altitude aircraft during flight to ensure safe and efficient operation, such as real-time positioning, route adjustment, and communication with ground stations. For example, a drone needs to receive accurate navigation signals and weather information via satellite communication, and send real-time flight data to adjust its route to avoid collisions with other aircraft.
[0061] In this embodiment, demand analysis is to determine the specific needs of communication and navigation, including signal coverage, communication bandwidth, navigation accuracy, etc., through a comprehensive analysis of the aircraft type, flight mission and environmental conditions in the low-altitude flight area. For example, by analyzing the low-altitude flight needs in the mountain rescue area, it is found that high-precision navigation signals and strong anti-interference communication capabilities are required, and it is recommended to adopt a communication solution that combines high-orbit satellites with ground relays.
[0062] In this embodiment, the communication network module refers to an independent communication network unit divided for low-altitude flight areas. Each module can be configured with specific communication and navigation functions based on flight requirements and regional characteristics. For example, within a low-altitude flight area, urban, rural, and mountainous areas can be divided into independent communication network modules. Urban areas use high-capacity satellite communication modules, while rural and mountainous areas use low-latency modules to enhance navigation performance.
[0063] In this embodiment, the preset configuration method refers to a method of designing and deploying a satellite communication network based on needs, including selecting a satellite orbit (such as a low-orbit, medium-orbit or high-orbit satellite), setting a communication frequency band (such as the Ka band or the Ku band), and deploying ground terminals. For example: configuring a satellite communication network for low-altitude logistics drones, selecting low-orbit satellites to achieve low-latency communication, and cooperating with ground base stations to provide signal enhancement to ensure high reliability of navigation signals in urban areas.
[0064] In this embodiment, the preset sensor network refers to a sensor system arranged in the communication network module, which is used to monitor the surrounding environment (such as weather, signal strength) and equipment operating status (such as power consumption, temperature). For example: in a low-altitude flight area, the sensor network can collect the wind speed in the drone route and the signal strength of the satellite communication terminal in real time to ensure stable operation of communication and navigation.
[0065] In this embodiment, the device status data of the communication network module refers to the real-time data of the device operation in the communication network module, including the status of the communication device (such as signal power, data rate) and the operating status of the sensor device (such as battery power, transmission delay). For example: the device status data of a communication module shows that the signal power of the satellite communication terminal has decreased and the temperature of the sensor feedback device has increased, indicating that there may be a risk of hardware failure.
[0066] In this embodiment, the low-altitude communication and navigation management strategy refers to management methods and solutions for optimizing low-altitude aircraft communication and navigation based on communication and environmental data analysis, such as dynamic channel allocation and route optimization. For example, in severe weather conditions, satellite communication analysis results indicate that navigation signals are being interfered with. The management strategy dynamically switches channel frequencies and replans the drone's route to avoid areas of strong interference to ensure flight safety.
[0067] The beneficial effects of the above technical solution are: through demand analysis, network division, dynamic configuration and data collection, accurate division and efficient deployment of communication networks in low-altitude flight areas are achieved, and the real-time monitoring of the environment and equipment status by the sensor network is combined to improve the system's perception ability; based on the analysis and optimization of the collected data, dynamic communication and navigation management strategies are formulated, which improves the flexibility, adaptability and reliability of the system, and realizes accurate demand matching, flexible network division, dynamic configuration optimization and real-time data monitoring and management of the low-altitude communication and navigation system.
[0068] Example 2:
[0069] An embodiment of the present invention provides a low-altitude communication and navigation integrated management system, with preset configuration methods including: frequency band allocation method, topology configuration method, equipment deployment method, communication protocol configuration method, sensor network configuration method, energy supply configuration method, redundant backup configuration method and dynamic adjustment configuration method.
[0070] In this embodiment, the frequency band allocation method is to select an appropriate satellite communication frequency band (such as L-band, Ka-band or Ku-band) based on low-altitude communication requirements to meet signal transmission requirements in different scenarios, such as high coverage or high-bandwidth transmission. For example, when a drone logistics network flies at low altitude, the L-band is allocated for navigation signals (due to its strong anti-interference ability) and the Ka-band is allocated for large data transmission (such as real-time video streaming);
[0071] In this embodiment, the topology configuration method is to design the connection mode between the satellite and the low-altitude communication network, including a star structure, a grid structure, or a hybrid topology to optimize communication efficiency and coverage. For example, in a disaster relief scenario, a grid topology is selected to connect low-orbit satellites, relay stations, and aircraft to ensure multi-path redundant communication and avoid signal interruption.
[0072] In this embodiment, the equipment deployment method is to rationally arrange communication and navigation equipment, such as satellite terminals, base stations, and relay stations, in low-altitude flight areas to ensure signal coverage without blind spots. For example, in mountainous flight areas, satellite communication receivers are deployed at higher points in the terrain, and ground relay stations are also deployed to improve signal transmission efficiency.
[0073] In this embodiment, the communication protocol configuration method is to select or customize a communication protocol suitable for low-altitude flight (such as TCP / IP, UDP or adaptive protocol) to improve data transmission efficiency and anti-interference performance. For example, when the UAV communicates with the satellite, the adaptive communication protocol automatically adjusts the data transmission rate and encoding method to ensure stable video and navigation data transmission;
[0074] In this embodiment, the sensor network configuration method is to arrange a sensor network in the communication network module to collect environmental data (such as meteorological data) and equipment status data (such as satellite signal strength). For example, temperature and humidity sensors and wind speed sensors are arranged to collect low-altitude flight environment data and adjust the navigation path of the aircraft in conjunction with the satellite communication system.
[0075] In this embodiment, the energy supply configuration method is to design an energy supply solution based on the equipment requirements, such as solar power supply, battery power supply or hybrid energy supply method, to ensure the long-term stable operation of the communication system. For example: in remote mountainous flight areas, solar power supply is used to provide energy for satellite communication terminals and sensor networks to ensure the continuity of system operation;
[0076] In this embodiment, the redundant backup configuration method is to design a redundancy mechanism for key equipment and data to ensure that the communication system can still operate normally in the event of a failure. For example, a dual-link redundant backup mechanism is designed for the satellite communication terminal. When the main link fails, it automatically switches to the backup link to ensure uninterrupted communication with the drone.
[0077] In this embodiment, the dynamic adjustment configuration method is to monitor the communication environment and equipment status in real time, and dynamically adjust the communication frequency band, topology structure or equipment parameters to ensure that the system adapts to the changing low-altitude flight needs. For example, in a high-density flight area, when a certain frequency band is congested, the satellite communication system dynamically switches to the backup frequency band and adjusts the antenna direction to optimize signal coverage.
[0078] The beneficial effect of the above technical solution is: by introducing multi-dimensional configuration methods such as frequency band allocation, topology, equipment deployment, communication protocol, sensor network, energy supply, redundant backup and dynamic adjustment, efficient resource management, flexible adaptation and reliability improvement of the low-altitude communication and navigation system can be achieved.
[0079] Example 3:
[0080] The embodiment of the present invention provides a low-altitude communication and navigation integrated management system, a network division module, including:
[0081] The first analysis unit performs a first analysis on the scene characteristics of the preset low-altitude flight area to obtain a first feature of the preset low-altitude flight area, and at the same time, performs a second analysis on the scene characteristics of the preset low-altitude flight area to obtain a second feature of the preset low-altitude flight area;
[0082] A first division unit: performing a first division on the preset low-altitude flight area based on a first feature of the preset low-altitude flight area and a preset division method;
[0083] A second division unit: performing a second division on the preset low-altitude flight area after the first division based on a second feature of the preset low-altitude flight area and a preset division method;
[0084] Area determination unit: determines the shape and coverage area of each communication network module based on the demand analysis results and the preset low-altitude flight area scenario;
[0085] The module determination unit determines a number of communication network areas based on the shape and coverage area of each communication network module and the preset low-altitude flight area after the second division, and then determines a number of communication network modules.
[0086] The module determining unit determines a plurality of communication network areas based on the shape and coverage area of each communication network module and the preset low-altitude flight area after the second division.
[0087] In this embodiment, the first analysis is to analyze the overall characteristics of the preset low-altitude flight area from a macro perspective, extracting basic attributes such as the environment, terrain, and flight density to provide a basis for preliminary classification. For example, in a satellite communication scenario, the first analysis conducts a preliminary assessment of the geographical characteristics (such as cities and mountainous areas) and flight demand density of a low-altitude flight area, extracting the area as "flat and open land with high flight density";
[0088] In this embodiment, the second analysis further analyzes the specific characteristics of the preset area from a detailed perspective, and explores more local details, such as weather, distribution of communication interference sources, etc., for fine division. For example: based on satellite monitoring data, the second analysis finds that some parts of the above-mentioned area have strong wireless interference (such as areas with dense communication towers) and complex weather (such as foggy areas), which require special treatment.
[0089] In this embodiment, the first division is based on the macro features obtained by the first analysis, and the low-altitude flight area is preliminarily divided into blocks at a larger scale to form a coarse-grained division result. For example, based on the analysis results of satellite communication, the first division divides the entire low-altitude flight area into three main communication network modules: urban core area, rural low-density area and mountainous complex area.
[0090] In this embodiment, the second division is based on the first division. According to the refined features of the second analysis, the preliminary block area is further subdivided to form smaller and more precise communication network units. For example, for the core area of the city, the second division further distinguishes between areas with high-rise buildings (strong signal obstruction) and open commercial areas (high signal demand), providing a refined plan for satellite signal deployment.
[0091] In this embodiment, the shape and coverage area of each communication network module are determined by analyzing the geographical distribution and demand density of the low-altitude flight area to determine the boundary shape and specific coverage range of each communication network module for effective communication deployment. For example, through satellite remote sensing analysis, a communication network module is determined to be a rectangle, covering the core area of the city's CBD, an area of 5 square kilometers, to ensure that all aircraft can receive satellite navigation and communication signals.
[0092] In this embodiment, the determination of a number of communication network areas based on the shape and coverage area of each communication network module, as well as the pre-defined low-altitude flight area after the second division, is based on the division results of shape and area. The number and distribution of communication network modules are ultimately determined based on flight requirements and environmental characteristics. The communication coverage and navigation optimization strategies within each module are also determined accordingly. For example, through satellite communication analysis and the second division, the module determination unit divides an urban area into five communication network areas, covering high-density residential areas, commercial areas, and industrial areas, respectively. The module determines the use of satellite communication signals in different frequency bands to meet the needs of each area.
[0093] The beneficial effects of the above technical solution are: by dividing the low-altitude flight area into multiple levels, combining the scene characteristics and demand analysis to dynamically determine the shape and coverage of the communication network module, it realizes the refinement of regional division, optimization of resource allocation and precise layout of the communication network, and improves the adaptability and efficiency of the low-altitude communication navigation system.
[0094] Example 4:
[0095] An embodiment of the present invention provides a low-altitude communication and navigation integrated management system, wherein a first analysis unit includes:
[0096] The first features include: geographical features and geographical electromagnetic interference features, and the second features include: airspace features and aircraft arrangement features.
[0097] In this embodiment, geographical features refer to the geographical environment characteristics of the low-altitude flight area, including terrain (plains, mountains, hills, etc.) and landforms (open areas or densely built-up areas). These factors can affect the satellite signal propagation path and coverage. For example, in mountainous flight areas, geographical feature analysis reveals that valleys and high peaks can block satellite signals. Therefore, it is necessary to plan the coordinated deployment of satellites and ground relay stations to ensure smooth signal transmission.
[0098] In this embodiment, geographic electromagnetic interference characteristics refer to the impact on satellite communication signals caused by radio interference in the geographical environment (such as high-density communication base stations or industrial equipment in cities). For example, in an analysis of a city's core area, geographic electromagnetic interference characteristics show the presence of a large amount of 5G base station signal interference. Satellite communication requires selecting a frequency band with less interference (such as the L band) for low-altitude aircraft navigation.
[0099] In this embodiment, airspace characteristics refer to the airspace distribution within the low-altitude flight area, including open airspace, restricted airspace, and airspace hierarchy. This directly affects satellite communication coverage design and frequency allocation strategy. For example, in airspace characteristics analysis, if a certain area includes part of the military restricted airspace, it is necessary to ensure that satellite signals avoid this airspace while providing strong coverage for the adjacent open airspace to ensure navigation continuity for low-altitude aircraft.
[0100] In this embodiment, aircraft formation characteristics refer to the distribution density, formation pattern (e.g., column, scattered), and movement trajectory characteristics of low-altitude aircraft within a specific area. These characteristics influence satellite communication capacity requirements and coverage accuracy. For example, analysis of aircraft formation characteristics reveals that logistics drones operate in a high-density point-to-point mode in urban delivery. Therefore, satellite communication bandwidth allocation and latency optimization are required to support the simultaneous transmission of large amounts of data.
[0101] The beneficial effects of the above technical solution are: by comprehensively analyzing geographical features, electromagnetic interference features, airspace features and aircraft arrangement features, a multi-dimensional feature model of the low-altitude communication and navigation system is constructed, accurate assessment and optimal configuration of complex low-altitude environments are achieved, and the robustness and adaptability of communication and navigation are significantly improved.
[0102] Example 5:
[0103] An embodiment of the present invention provides a low-altitude communication and navigation integrated management system, including an area determination unit, comprising:
[0104] Demand analysis subunit: determines several demand data based on demand analysis results;
[0105] Scenario analysis subunit: Analyzes the scenario of the preset low-altitude flight area to determine the regional characteristics and environmental characteristics of each communication network module;
[0106] Flight analysis subunit: acquires and analyzes relevant data of the aircraft to determine the flight characteristics of the aircraft for each communication network module;
[0107] A coefficient determination subunit: determining a module form factor of each communication network module based on regional characteristics, environmental characteristics, and flight characteristics of the aircraft in combination with demand data;
[0108] A shape determining subunit: determining a module shape of each communication network module based on a module shape coefficient of each communication network module and a preset coefficient-shape data table;
[0109] Area determination subunit: determines the coverage area of each communication network module based on all demand data, regional characteristics of each communication network module and environmental characteristics.
[0110] In this embodiment, regional characteristics refer to the attributes of the specific geographic area covered by satellite communications, including terrain (plains, mountains, oceans, etc.), terrain complexity (open areas, canyons, etc.), and the region's signal propagation conditions (such as obstruction). For example, in a mountainous flight scenario, regional characteristics analysis indicates signal obstruction in the mountains, requiring the communication network module to design multiple relay nodes to assist with signal coverage while utilizing low-orbit satellites to provide dynamically adjusted signal transmission paths. In this embodiment, environmental characteristics describe the external environmental conditions of the communication area, including meteorological conditions (wind speed, rainfall, ionospheric interference) and electromagnetic interference (interference from other communication devices or regional wireless signals). For example, in a low-altitude flight scenario over the sea, environmental characteristics indicate that high humidity and heavy rain will weaken Ku-band signal transmission, necessitating a switch to the L-band to improve satellite communication stability.
[0111] In this embodiment, aircraft flight characteristics include speed, altitude, trajectory pattern (straight flight, cruising, circling), and density distribution. These characteristics directly impact the satellite communication network's planning of bandwidth allocation, coverage, and real-time requirements. For example, in drone formation operations, aircraft flight characteristics exhibit high density and low-speed circling. The satellite communication network must plan for centralized beam coverage and prioritize higher bandwidth allocation to support real-time data transmission.
[0112] In this embodiment, the module form factor is a mathematical description of the shape of the communication network module. It is used to optimize the satellite signal coverage area and ensure the efficiency and uniformity of the low-altitude communication network. It comprehensively considers regional characteristics, environmental characteristics, and aircraft flight characteristics to define the optimal module coverage shape. For example, in urban delivery scenarios, regional characteristics show dense buildings and asymmetric aircraft trajectories. Analysis of the module form factor indicates that rectangular coverage is more suitable for this scenario than circular coverage, thereby reducing signal blind spots and optimizing communication resource utilization.
[0113] The beneficial effects of the above technical solution are: through three-dimensional analysis of demand, scenario, and flight, combined with dynamic calculation of module shape coefficient and coverage area, the module shape and coverage range of the low-altitude communication network are accurately determined, realizing multi-demand-oriented communication resource optimization configuration, and improving the flexibility, adaptability and coverage efficiency of navigation management.
[0114] Example 6:
[0115] An embodiment of the present invention provides a low-altitude communication and navigation integrated management system, wherein the coefficient determination subunit includes:
[0116] The module form factor of each communication network module is determined based on the regional characteristics, environmental characteristics, and flight characteristics of the aircraft combined with the demand data:
[0117]
[0118]
[0119]
[0120]
[0121]
[0122] in, is the module shape factor of the i-th communication network module, is the regional characteristic coefficient of the i-th communication network module, is the influence coefficient of obstacles in the area where the i-th communication network module is located, is the preset maximum value of the obstacle influence coefficient, is the maximum flight altitude of the aircraft of the i-th communication network module, is the airspace height limit of the i-th communication network module, is the area of the no-fly zone of the i-th communication network module, is the flight area of the i-th communication network module, is the height characteristic influence coefficient, is the flight range characteristic influence coefficient, is the environmental impact coefficient of the i-th communication network module, is the adverse climate impact coefficient of the i-th communication network module, is the attenuation coefficient of climate on signal propagation, is the influence coefficient of electromagnetic interference on signal strength, is the electromagnetic interference intensity of the i-th communication network module, is the flight characteristic coefficient of the aircraft of the i-th communication network module, is the average flight altitude coefficient of the aircraft in the i-th communication network module, is the average flight speed coefficient of the aircraft in the i-th communication network module, is the influence coefficient of aircraft altitude on communication coverage, is the influence coefficient of aircraft flight speed on communication coverage, is the demand characteristics influence coefficient, is the influence coefficient of the importance of the j-th demand, is the impact coefficient of the feasibility of the j-th demand, is the importance coefficient of the jth demand, is the feasibility coefficient of the jth demand, is the adjustment factor of the importance of the j-th requirement, is the adjustment factor for the feasibility of the j-th demand, is the preset maximum importance coefficient, is the preset maximum feasibility coefficient, and ln is the logarithmic function.
[0123] In this embodiment, the climate attenuation coefficient for signal propagation describes the degree to which climatic conditions (such as rain, snow, fog, and humidity) weaken the satellite signal strength. This coefficient is dynamically adjusted based on different climatic conditions and determines the signal propagation efficiency in a specific climate environment. For example, in tropical regions, due to frequent rainstorms, Ka-band signals in satellite communications are severely attenuated. The climate attenuation coefficient for signal propagation is relatively large (e.g., 0.8), necessitating a switch to the more stable L-band to ensure communication quality.
[0124] In this embodiment, the obstacle impact coefficient represents the degree to which ground buildings, mountains, or other obstacles block satellite signal propagation. Areas with severe obstruction have higher impact coefficients, requiring more supplementary measures to maintain signal coverage. For example, in urban areas, where high-rise buildings are densely packed and irregularly distributed, the obstacle impact coefficient can reach 0.9. The solution is to reduce signal blind spots through the combined coverage of low-orbit satellites and ground relay stations.
[0125] In this embodiment, the regional characteristic coefficient combines factors such as geographic attributes, landforms, and airspace distribution to represent the impact of the region on satellite communication network design. Complex areas (such as mountainous areas or restricted airspace) typically have a higher regional characteristic coefficient. For example, in mountainous flight scenarios, due to the significant terrain and numerous airspace restrictions, the regional characteristic coefficient is 0.85, requiring additional satellite beam partitioning design and adaptive beam pointing technology to cover ravine areas.
[0126] In this example, the demand feature impact coefficient reflects the weight of user communication needs on network module design, combining both the importance and feasibility of the needs. For example, scenarios with high priority and strong demand will have a higher demand feature impact coefficient. For example, the real-time navigation needs of a logistics drone are marked as high priority, with a demand feature impact coefficient of 0.9. This means that the satellite communication network must prioritize higher bandwidth resources for this scenario to ensure accurate aircraft path planning.
[0127] In this embodiment, the importance adjustment factor is used to adjust the importance coefficient of the requirement, ensuring that the core requirements in a specific scenario are met first. Its value is dynamically determined by integrating user requirements and system resource allocation. For example, in a disaster emergency communication scenario, real-time data transmission from search and rescue drones is considered extremely important. By using the adjustment factor to increase the importance coefficient of the requirement from 0.85 to 0.95, the real-time transmission resources of the satellite communication network are prioritized.
[0128] In this embodiment, the feasibility adjustment factor is used to dynamically adjust the feasibility of realizing the demand, taking into account factors such as system resource limitations, technical implementation difficulty, and environmental impact. For example: in the polar scientific research area, since satellite signals are restricted by extreme weather and environment, the initial feasibility coefficient is 0.5. By optimizing the constellation distribution and low-frequency band signal coverage, the adjustment factor is increased to 0.7, so that the system can meet the communication needs of the area.
[0129] The beneficial effects of the above technical solution are: by quantifying the regional characteristics, environmental characteristics, flight characteristics and demand characteristics of each communication network module in multiple dimensions, a comprehensive calculation model of the module shape coefficient is proposed, the complex state of the low-altitude communication network is accurately evaluated, and dynamic adaptation to different needs and environmental changes is achieved, which significantly improves the accuracy, adaptability and reliability of the communication and navigation system.
[0130] Example 7:
[0131] The embodiment of the present invention provides a low-altitude communication and navigation integrated management system, a communication management module, including:
[0132] Coefficient determination unit: Analyzes the collected ambient environment data of each communication network module and the device status data of each communication network module to determine the management coefficient of each communication network module;
[0133] Comprehensive analysis unit: determines the comprehensive management coefficient based on the management coefficient of each communication network module and a preset algorithm;
[0134] Strategy determination unit: determines the corresponding low-altitude communication navigation management strategy based on the comprehensive management coefficient and the preset coefficient-strategy database.
[0135] In this embodiment, the management coefficient is a quantitative evaluation of factors such as the operating status, surrounding environment, and device performance of a single module in a satellite communication network. It reflects the module's current operating efficiency and resource requirements. The management coefficient comprehensively considers signal strength, device health, environmental influences (such as weather and electromagnetic interference), and the current mission load. For example, if a communication module on a low-orbit satellite is currently operating at high load (50% of bandwidth allocated), the device temperature is monitored to be high (80% of the maximum operating temperature), and there is strong electromagnetic interference in the coverage area, the management coefficient is set to 0.6 after analysis, indicating that the module requires load optimization and maintenance scheduling.
[0136] In this embodiment, the preset algorithm is used to comprehensively analyze the rules and models for each module's management coefficient. It combines multi-dimensional data (such as module load, electromagnetic environment, and communication requirements) to perform dynamic weight calculations to derive a comprehensive management coefficient. Common algorithms include weighted average algorithms, fuzzy logic models, and machine learning prediction models. For example, in satellite constellation management, the preset algorithm uses a fuzzy logic model to calculate a comprehensive score based on module management coefficients (such as a signal strength weight of 0.4, a device health weight of 0.3, and a task priority weight of 0.3). If module A's signal strength is 0.8, its device health is 0.6, and its task priority is 0.9, the preset algorithm calculates a comprehensive score of 0.77.
[0137] In this embodiment, the comprehensive management coefficient (CMF) is a global quantitative assessment of the status of the entire satellite communication network (or its subset). It is derived by aggregating the management coefficients of all communication network modules and reflects the real-time operational status and mission-satisfying capabilities of the entire network. It determines the allocation of communication resources and the selection of optimization strategies. For example, a low-altitude communication network includes five satellite modules with management coefficients of 0.7, 0.6, 0.8, 0.9, and 0.5, respectively. Using a preset weighted average algorithm, the CMF is calculated to be 0.7. This indicates that the network is operating at a normal load, and some spare bandwidth can be allocated to high-priority tasks as needed.
[0138] In this embodiment, the preset coefficient-strategy database is a predefined rule base that maps comprehensive management coefficients (or correlation coefficient ranges) to communication management policies. This mapping provides optimization solutions for different network conditions, including strategies for bandwidth allocation, task priority adjustment, and fault recovery scheduling. For example, the contents of the coefficient-strategy database are as follows: Comprehensive management coefficient > 0.8: System stability; maintain the existing resource allocation policy. 0.6 ≤ Comprehensive management coefficient ≤ 0.8: Light load; reallocate bandwidth, prioritizing high-priority communication tasks. Comprehensive management coefficient < 0.6: High load or abnormal state; activate backup satellite resources and conduct fault diagnosis. In the above example, if the comprehensive management coefficient is 0.7, the system will select the "reallocate bandwidth" policy from the database, prioritizing the reallocation of the logistics drone's real-time navigation tasks.
[0139] The beneficial effects of the above technical solution are: by introducing management coefficients and comprehensive management coefficients, based on multi-module environment and equipment status data, dynamically evaluating the operation status of the communication network, and combining the coefficient-strategy database to intelligently match the optimal management strategy, it realizes the adaptive optimization management of the low-altitude communication navigation system, improves the communication stability, resource utilization efficiency and task execution accuracy in complex environments, and has the innovative advantages of strong real-time performance and intelligent decision-making.
[0140] Example 8:
[0141] An embodiment of the present invention provides a low-altitude communication navigation integrated management method, including:
[0142] Step 1: Obtain the communication and navigation requirements of the preset low-altitude flight area and conduct a demand analysis;
[0143] Step 2: Determine several communication network modules for the preset low-altitude flight area based on the demand analysis results and the scenario characteristics of the preset low-altitude flight area;
[0144] Step 3: Deploy the communication network modules using the preset configuration method.
[0145] Step 4: Deploy a preset sensor network inside each communication network module to monitor and collect the surrounding environment data of each communication network module and the device status data of each communication network module;
[0146] Step 5: Analyze the collected surrounding environment data of each communication network module and the equipment status data of each communication network module, and then determine the low-altitude communication navigation management strategy based on the analysis results.
[0147] The beneficial effects of the above technical solution are: through demand analysis, network division, dynamic configuration and data collection, accurate division and efficient deployment of communication networks in low-altitude flight areas are achieved, and the real-time monitoring of the environment and equipment status by the sensor network is combined to enhance the system's perception capabilities; based on the analysis and optimization of the collected data, dynamic communication and navigation management strategies are formulated, which improves the flexibility, adaptability and reliability of the system and effectively solves the problem of low efficiency in multi-scenario adaptation and management in existing technologies.
[0148] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. A low-altitude communication and navigation integrated management system, characterized in that: include: Demand analysis module: obtains the communication and navigation requirements of the preset low-altitude flight area and conducts demand analysis; Network division module: Based on the demand analysis results and the scenario characteristics of the low-altitude flight area, several communication network modules are determined for the low-altitude flight area. The communication network modules refer to independent communication network units divided for the low-altitude flight area. Each communication network module is configured with specific communication and navigation functions based on flight requirements and regional characteristics. Configuration and deployment module: Based on the divided communication network module, it is deployed using a preset configuration method; Data acquisition module: A preset sensor network is deployed inside each communication network module to monitor and collect the surrounding environment data and device status data of each communication network module; Communication management module: Analyzes the surrounding environment data and equipment status data of each communication network module, and determines the low-altitude communication navigation management strategy based on the analysis results; The network partitioning module includes: The first analysis unit performs a first analysis on the scene characteristics of the low-altitude flight area to obtain the geographical characteristics and geographical electromagnetic interference characteristics of the low-altitude flight area, and performs a second analysis on the scene characteristics of the low-altitude flight area to obtain the airspace characteristics and aircraft arrangement characteristics of the low-altitude flight area; A first division unit: performing a first division of the low-altitude flight area based on the geographical characteristics and geographical electromagnetic interference characteristics of the low-altitude flight area and a preset division method; A second division unit: performing a second division on the low-altitude flight area after the first division based on the airspace characteristics and aircraft arrangement characteristics of the low-altitude flight area and a preset division method; Area determination unit: determines the shape and coverage area of each communication network module based on demand analysis results and the scenario of the low-altitude flight area; A module determining unit: determining a plurality of communication network areas based on the shape and coverage area of each communication network module and the low-altitude flight area after the second division, and then determining a plurality of communication network modules; The area determination unit includes: Demand analysis subunit: determines several demand data based on demand analysis results; Scenario analysis subunit: Analyzes the low-altitude flight area to determine the regional and environmental characteristics of each communication network module; Flight analysis subunit: acquires and analyzes relevant data of the aircraft to determine the flight characteristics of the aircraft for each communication network module; A coefficient determination subunit: determining a module form factor of each communication network module based on regional characteristics, environmental characteristics, and flight characteristics of the aircraft in combination with demand data; A shape determination subunit: determining a module shape of each communication network module based on a module shape coefficient and a preset coefficient-shape data table; Area determination subunit: determines the coverage area of each communication network module based on all demand data, regional characteristics of each communication network module and environmental characteristics.
2. A low-altitude communication and navigation integrated management system according to claim 1, characterized in that: The preset configuration methods include: frequency band allocation method, topology configuration method, device deployment method, communication protocol configuration method, sensor network configuration method, energy supply configuration method, redundant backup configuration method and dynamic adjustment configuration method.
3. A low-altitude communication and navigation integrated management system according to claim 1, characterized in that: The calculation formula of the module shape factor is: in, is the module shape factor of the i-th communication network module, is the regional characteristic coefficient of the i-th communication network module, is the influence coefficient of obstacles in the area where the i-th communication network module is located, is the preset maximum value of the obstacle influence coefficient, is the maximum flight altitude of the aircraft of the i-th communication network module, is the airspace height limit of the i-th communication network module, is the area of the no-fly zone of the i-th communication network module, is the flight area of the i-th communication network module, is the height characteristic influence coefficient, is the flight range characteristic influence coefficient, is the environmental impact coefficient of the i-th communication network module, is the adverse climate impact coefficient of the i-th communication network module, is the attenuation coefficient of climate on signal propagation, is the influence coefficient of electromagnetic interference on signal strength, is the electromagnetic interference intensity of the i-th communication network module, is the flight characteristic coefficient of the aircraft of the i-th communication network module, is the average flight altitude coefficient of the aircraft in the i-th communication network module, is the average flight speed coefficient of the aircraft in the i-th communication network module, is the influence coefficient of aircraft altitude on communication coverage, is the influence coefficient of aircraft flight speed on communication coverage, is the demand characteristics influence coefficient, is the influence coefficient of the importance of the j-th demand, is the impact coefficient of the feasibility of the j-th demand, is the importance coefficient of the jth demand, is the feasibility coefficient of the jth demand, is the adjustment factor of the importance of the j-th requirement, is the adjustment factor for the feasibility of the j-th demand, is the preset maximum importance coefficient, is the preset maximum feasibility coefficient, and ln is the logarithmic function.
4. A low-altitude communication and navigation integrated management system according to claim 1, characterized in that: Communication management module, including: Coefficient determination unit: Analyzes the collected ambient environment data of each communication network module and the device status data of each communication network module to determine the management coefficient of each communication network module; Comprehensive analysis unit: determines the comprehensive management coefficient based on the management coefficient of each communication network module and a preset algorithm; Strategy determination unit: determines the corresponding low-altitude communication navigation management strategy based on the comprehensive management coefficient and the preset coefficient-strategy database.
5. A low-altitude communication and navigation integrated management method, characterized in that: include: Step 1: Obtain the communication and navigation requirements of the preset low-altitude flight area and conduct a demand analysis; Step 2: Determine several communication network modules for the low-altitude flight area based on the demand analysis results and the scenario characteristics of the low-altitude flight area. The communication network modules are independent communication network units divided for the low-altitude flight area. Each communication network module is configured with specific communication and navigation functions based on flight requirements and regional characteristics. Step 3: Deploy the communication network modules using the preset configuration method. Step 4: Deploy a preset sensor network inside each communication network module to monitor and collect the surrounding environment data and device status data of each communication network module; Step 5: Analyze the surrounding environment data and equipment status data of each communication network module, and determine the low-altitude communication navigation management strategy based on the analysis results; Wherein, step 2 includes: Performing a first analysis on the scene characteristics of the low-altitude flight area to obtain the geographical characteristics and geographical electromagnetic interference characteristics of the low-altitude flight area, and performing a second analysis on the scene characteristics of the preset low-altitude flight area to obtain the airspace characteristics and aircraft arrangement characteristics of the low-altitude flight area; Performing a first division of the low-altitude flight area based on the geographical characteristics and geographical electromagnetic interference characteristics of the low-altitude flight area and a preset division method; Performing a second division on the low-altitude flight area after the first division based on the airspace characteristics and aircraft arrangement characteristics of the low-altitude flight area and a preset division method; Determine the shape and coverage area of each communication network module based on the demand analysis results and the scenario of the low-altitude flight area; Determining a plurality of communication network areas based on the shape and coverage area of each communication network module and the low-altitude flight area after the second division, and then determining a plurality of communication network modules; The shape and coverage area of each communication network module are determined based on the demand analysis results and the preset low-altitude flight area scenario, including: Determine several demand data based on the demand analysis results; Analyze the low-altitude flight area scenario to determine the regional and environmental characteristics of each communication network module; Obtain and analyze relevant data of the aircraft to determine the flight characteristics of the aircraft for each communication network module; Determining a module form factor for each communication network module based on regional characteristics, environmental characteristics, and flight characteristics of the aircraft in combination with demand data; Determining a module shape of each communication network module based on a module shape coefficient and a preset coefficient-shape data table; The coverage area of each communication network module is determined based on all demand data, regional characteristics of each communication network module, and environmental characteristics.
6. A low-altitude communication and navigation integrated management method according to claim 5, characterized in that: The calculation formula of the module form factor is: in, is the module shape factor of the i-th communication network module, is the regional characteristic coefficient of the i-th communication network module, is the influence coefficient of obstacles in the area where the i-th communication network module is located, is the preset maximum value of the obstacle influence coefficient, is the maximum flight altitude of the aircraft of the i-th communication network module, is the airspace height limit of the i-th communication network module, is the area of the no-fly zone of the i-th communication network module, is the flight area of the i-th communication network module, is the height characteristic influence coefficient, is the flight range characteristic influence coefficient, is the environmental impact coefficient of the i-th communication network module, is the adverse climate impact coefficient of the i-th communication network module, is the attenuation coefficient of climate on signal propagation, is the influence coefficient of electromagnetic interference on signal strength, is the electromagnetic interference intensity of the i-th communication network module, is the flight characteristic coefficient of the aircraft of the i-th communication network module, is the average flight altitude coefficient of the aircraft in the i-th communication network module, is the average flight speed coefficient of the aircraft in the i-th communication network module, is the influence coefficient of aircraft altitude on communication coverage, is the influence coefficient of aircraft flight speed on communication coverage, is the demand characteristics influence coefficient, is the influence coefficient of the importance of the j-th demand, is the impact coefficient of the feasibility of the j-th demand, is the importance coefficient of the jth demand, is the feasibility coefficient of the jth demand, is the adjustment factor of the importance of the j-th requirement, is the adjustment factor for the feasibility of the j-th demand, is the preset maximum importance coefficient, is the preset maximum feasibility coefficient, and ln is the logarithmic function.
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