A method and system for improving the signal strength of vehicle-mounted positioning hotspots

Abstract

The present invention relates to the field of communication technology, and discloses a vehicle-mounted positioning hotspot signal strength enhancement method and system, the method comprising: constructing a vehicle structure model of a vehicle to be improved in signal; analyzing the electromagnetic environment of the vehicle to be improved in signal, determining the interference source component and signal positioning component of the functional component, determining the interval position of the interference source component and the signal positioning component in the vehicle to be improved in signal, configuring the metal shielding structure and high-frequency filter of the interference source component, and constructing a signal anti-interference environment of the vehicle to be improved in signal; constructing a phased array antenna array surface of the signal positioning component; constructing a beamforming algorithm of the phased array antenna array surface, collecting the vehicle-mounted positioning hotspot signal of the vehicle to be improved in signal, calculating the vehicle-mounted signal quality of the vehicle-mounted positioning hotspot signal, using the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna array surface, and performing vehicle-mounted positioning hotspot signal strength enhancement. The present invention can improve the strength enhancement effect of the vehicle-mounted positioning hotspot signal.

Description

Technical Field

[0001] The present invention relates to the field of communication technology, and in particular to a method and system for improving the signal strength of a vehicle-mounted positioning hotspot. Background Art

[0002] Improving the signal strength of vehicle-mounted positioning hotspots refers to the process of enhancing the strength and stability of positioning signals (such as GPS, GLONASS, Beidou and other satellite navigation signals) received by the vehicle-mounted positioning system through a series of technical means and methods, thereby improving the accuracy and reliability of positioning. Improving the signal strength of vehicle-mounted positioning hotspots helps to improve the safety and convenience of intelligent connected vehicles.

[0003] The traditional method of improving the signal strength of vehicle-mounted positioning hotspots usually relies on a single antenna and a simple signal processing algorithm, which may lead to insufficient signal coverage and poor anti-interference ability, resulting in low positioning accuracy, thus resulting in poor improvement of the strength of vehicle-mounted positioning hotspot signals. Summary of the invention

[0004] The present invention provides a method and system for improving the strength of a vehicle-mounted positioning hotspot signal, the main purpose of which is to improve the strength improvement effect of the vehicle-mounted positioning hotspot signal.

[0005] To achieve the above purpose, the present invention provides a method for improving the signal strength of a vehicle-mounted positioning hotspot, comprising:

[0006] Acquire vehicle information of the vehicle to be upgraded, analyze functional components of the vehicle to be upgraded through the vehicle information, and construct a vehicle structure model of the vehicle to be upgraded based on the functional components;

[0007] Based on the vehicle structure model, analyzing the electromagnetic environment of the vehicle to be improved, wherein the electromagnetic environment includes an internal electromagnetic environment and an external electromagnetic environment; according to the electromagnetic environment, determining the interference source component and the signal positioning component of the functional component, and constructing the panel design index of the vehicle to be improved, wherein the panel design index includes minimizing interference, signal integrity and electromagnetic compatibility;

[0008] Determine the interval positions of the interference source component and the signal positioning component in the vehicle to be improved by using the plate design index and the vehicle structure model; calculate the signal interference coefficient of the interference source component based on the interval design; configure the metal shielding structure and high-frequency filter of the interference source component based on the signal interference coefficient; and construct a signal anti-interference environment of the vehicle to be improved by using the metal shielding structure and the high-frequency filter;

[0009] Defining the phased array antenna requirements of the signal positioning component, and constructing the phased array antenna array surface of the signal positioning component according to the phased array antenna requirements;

[0010] Construct a beamforming algorithm for the phased array antenna surface, use the phased array antenna surface to collect the on-board positioning hotspot signal of the vehicle whose signal is to be improved, calculate the on-board signal quality of the on-board positioning hotspot signal, and based on the on-board signal quality, use the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna surface, and perform on-board positioning hotspot signal strength improvement based on the beamforming optimization parameters and the signal anti-interference environment.

[0011] Optionally, constructing a vehicle structure model of the vehicle to be enhanced based on the functional components includes:

[0012] Analyzing the macroscopic structural parameters of the vehicle to be upgraded according to the vehicle information corresponding to the vehicle to be upgraded according to the signal;

[0013] Based on the macroscopic structural parameters, establishing a vehicle macroscopic model of the vehicle to be signal-enhanced;

[0014] analyzing component characteristics of the functional components;

[0015] Based on the component characteristics, determining electromagnetic field simulation software of the vehicle to be enhanced by the signal;

[0016] Defining a model boundary of the electromagnetic field simulation software;

[0017] constructing a component micro-model of the functional component according to the model boundary and the component characteristics;

[0018] The component micro-model is integrated into the vehicle macro-model to obtain a vehicle structural model of the vehicle to be enhanced.

[0019] Optionally, the integrating the component micro-model into the vehicle macro-model to obtain the vehicle structure model of the vehicle to be enhanced includes:

[0020] Integrating the component micro model into the vehicle macro model to obtain an integrated component model;

[0021] Analyzing the loss coefficients of the integrated component model, wherein the loss coefficients include: frequency response loss coefficient, propagation path loss coefficient, coupling mechanism loss coefficient, and environmental condition loss coefficient;

[0022] identifying signal propagation paths and interfering signals of the integrated component model;

[0023] Based on the loss coefficient, the signal propagation path and the interference signal, the coupling loss of the integrated component model is calculated:

[0024] ;

[0025] in, represents the coupling loss of the integrated component model, represents the propagation path loss coefficient in the loss coefficient, represents the frequency response loss coefficient in the loss coefficient, represents the interference frequency of the interference signal, represents the coupling mechanism loss coefficient in the loss coefficient, Represents the integrated component model Component micromodel to The distance of the signal propagation path between the microscopic models of the components, represents the distance of the maximum signal propagation path in the integrated component model, Indicates the environmental condition loss coefficient in the loss coefficient, Represents the integrated component model Component micromodel to The electromagnetic field strength of the signal propagation path between the microscopic models of the components, represents the maximum electromagnetic field strength of the integrated component model, Represents the number of component micro-models in the integrated component model;

[0026] Based on the coupling loss, the integrated component model is structurally optimized to obtain a vehicle structural model of the vehicle to be signal-enhanced.

[0027] Optionally, analyzing the electromagnetic environment of the vehicle to be enhanced based on the vehicle structure model includes:

[0028] Constructing a vehicle driving environment of the vehicle to be enhanced;

[0029] Using the vehicle structure model to simulate driving simulation data of the vehicle to be boosted under the vehicle driving environment;

[0030] Based on the driving simulation data, identifying the electromagnetic distribution of the vehicle structure model;

[0031] Determining internal interference sources and external interference sources of the vehicle structure model according to the electromagnetic distribution;

[0032] Analyzing the internal electromagnetic environment and the external electromagnetic environment of the vehicle to be enhanced by the signal through the internal interference source and the external interference source;

[0033] Based on the internal electromagnetic environment and the external electromagnetic environment, the electromagnetic environment of the vehicle to be enhanced by the signal is determined.

[0034] Optionally, the identifying the electromagnetic distribution of the vehicle structure model based on the driving simulation data includes:

[0035] Based on the driving simulation data, identifying the current source point of the vehicle structure model, and analyzing the current density vector of the current source point;

[0036] According to the current source point and the current density vector, the magnetic field intensity of the vehicle structure model is calculated using the following formula:

[0037] ;

[0038] in, represents the magnetic field strength of the vehicle structure model, represents pi, represents the position vector of the current source point, Indicates relative time. Indicates the current source point In relative time The current density vector under represents the position vector of the observation point, represents a differential operator;

[0039] The electromagnetic distribution of the vehicle structure model is identified through the magnetic field strength.

[0040] Optionally, the determining the position of the interference source component and the signal positioning component in the section of the vehicle to be enhanced by using the plate design index and the vehicle structure model includes:

[0041] Analyzing the interference source component radiation conduction capability and the signal locating component radiation conduction capability of the interference source component and the signal locating component;

[0042] Analyze the potential influence coefficients of the interference source component and the signal locating component according to the radiation conduction capability of the interference source component and the radiation conduction capability of the signal locating component;

[0043] By means of the plate design index, a position optimization function of the interference source component and the signal positioning component is constructed;

[0044] Based on the potential impact coefficient, the interval positions of the interference source component and the signal positioning component are calculated using the position optimization function.

[0045] Optionally, configuring the metal shielding structure and the high-frequency filter of the interference source component based on the signal interference coefficient includes:

[0046] Determining key interference source components of the interference source components based on the signal interference coefficient;

[0047] Identifying component structural features of the key interference source components;

[0048] According to the structural features of the component, construct a shielding shell of the key interference source component, and mark the grounding point of the shielding shell;

[0049] Constructing a metal shielding structure of the key interference source component according to the shielding shell and the grounding point;

[0050] Based on the signal interference coefficient, analyzing the filter parameters on the metal shielding structure of the key interference source component;

[0051] According to the filter parameters, a high-frequency filter of the key interference source component is configured.

[0052] Optionally, constructing the phased array antenna plane of the signal positioning component according to the phased array antenna requirements includes:

[0053] Determine the antenna array unit and antenna array scale of the signal positioning component according to the phased array antenna requirements;

[0054] Configuring a unit geometry structure of the antenna array unit, wherein the unit geometry structure includes a radiator, a feed network, and a matching circuit;

[0055] Constructing a phased array antenna layout of the antenna array unit based on the phased array antenna requirements, the antenna array size, and the unit geometry;

[0056] calculating antenna layout performance of the phased array antenna layout;

[0057] When the antenna layout performance meets a preset antenna layout performance threshold, a phased array antenna plane of the signal locating component is constructed based on the phased array antenna layout.

[0058] Optionally, the beamforming algorithm for constructing the phased array antenna plane includes:

[0059] Determining a target beam direction of the phased array antenna face;

[0060] Defining a phase offset and a position vector of the phased array antenna face;

[0061] Based on the target beam direction, the phase offset and the position vector, the array factor of the phased array antenna plane is calculated using the following formula:

[0062] ;

[0063] in, represents the array factor of the phased array antenna, It represents the number of antenna array units corresponding to the phased array antenna surface. The phased array antenna array The amplitude weighting factor of each antenna array element, represents the base of natural logarithms, represents the imaginary unit, The phased array antenna array The phase shift of each antenna array element, represents the sine function, represents the cosine function, represents the elevation angle in the target beam direction, represents the azimuth in the target beam direction, represents the wave number, The phased array antenna array The position vector of each antenna array element;

[0064] A beamforming algorithm for the phased array antenna plane is determined according to the array factor.

[0065] In order to solve the above problems, the present invention also provides a vehicle-mounted positioning hotspot signal strength enhancement system, the system comprising:

[0066] A vehicle structure model building module, used to obtain vehicle information of the vehicle to be upgraded, analyze functional components of the vehicle to be upgraded through the vehicle information, and build a vehicle structure model of the vehicle to be upgraded based on the functional components;

[0067] An interference source component identification module is used to analyze the electromagnetic environment of the vehicle to be improved based on the vehicle structure model, wherein the electromagnetic environment includes an internal electromagnetic environment and an external electromagnetic environment, and according to the electromagnetic environment, determine the interference source component and the signal positioning component of the functional component, and construct the plate design index of the vehicle to be improved, wherein the plate design index includes minimizing interference, signal integrity and electromagnetic compatibility;

[0068] An anti-interference environment construction module is used to determine the interval positions of the interference source component and the signal positioning component in the vehicle to be improved through the plate design index and the vehicle structure model, calculate the signal interference coefficient of the interference source component based on the interval design, configure the metal shielding structure and high-frequency filter of the interference source component based on the signal interference coefficient, and construct the signal anti-interference environment of the vehicle to be improved through the metal shielding structure and the high-frequency filter;

[0069] An antenna array surface construction module is used to define the phased array antenna requirements of the signal positioning component and construct the phased array antenna array surface of the signal positioning component according to the phased array antenna requirements;

[0070] The signal strength enhancement module is used to construct a beamforming algorithm for the phased array antenna surface, use the phased array antenna surface to collect the vehicle-mounted positioning hotspot signal of the vehicle to be enhanced, calculate the vehicle-mounted signal quality of the vehicle-mounted positioning hotspot signal, and based on the vehicle-mounted signal quality, use the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna surface, and perform vehicle-mounted positioning hotspot signal strength enhancement based on the beamforming optimization parameters and the signal anti-interference environment.

[0071] The present invention constructs the vehicle structure model of the vehicle to be improved based on the functional components, and an accurate vehicle structure model can be constructed based on the functional components, providing a basis for subsequent signal shielding and interference isolation design; the present invention analyzes the electromagnetic environment of the vehicle to be improved based on the vehicle structure model, and can effectively evaluate and improve the electromagnetic environment of the vehicle to be improved, and provide a basis for subsequent electromagnetic interference optimization; further, the present invention determines the interference source component and the signal positioning component of the functional component according to the electromagnetic environment, and can effectively identify and solve the electromagnetic interference problem in the vehicle structure model, ensuring the normal operation of the functional component; further, the present invention determines the position of the interference source component and the signal positioning component in the interval of the vehicle to be improved through the plate design index and the vehicle structure model. The location of the interference source component and the signal positioning component in the vehicle to be enhanced can be determined, and corresponding measures can be taken to improve the electromagnetic compatibility of the vehicle. Furthermore, based on the signal interference coefficient, the present invention configures the metal shielding structure and high-frequency filter of the interference source component to reduce the electromagnetic interference to the signal positioning component. Furthermore, the present invention can construct a phased array antenna array surface that meets the needs of the signal positioning component by constructing the phased array antenna array surface of the signal positioning component according to the requirements of the phased array antenna, providing a basis for subsequent signal reception. Finally, the beamforming algorithm of the phased array antenna array surface constructed by the present invention can optimize the parameters of the phased array antenna array surface to enhance the signal and use the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna array surface to improve the performance of the vehicle-mounted positioning system. Therefore, the present invention can improve the intensity enhancement effect of the vehicle-mounted positioning hotspot signal. BRIEF DESCRIPTION OF THE DRAWINGS

[0072] Figure 1 A schematic diagram of a process for improving the signal strength of a vehicle-mounted positioning hotspot provided by an embodiment of the present invention;

[0073] Figure 2A functional module diagram of a vehicle-mounted positioning hotspot signal strength enhancement system provided by an embodiment of the present invention;

[0074] Figure 3 A schematic diagram of the structure of an electronic device of a vehicle-mounted positioning hotspot signal strength enhancement system provided by an embodiment of the present invention;

[0075] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0076] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0077] The embodiment of the present application provides a method for improving the signal strength of a vehicle-mounted positioning hotspot. The execution subject of the method for improving the signal strength of a vehicle-mounted positioning hotspot includes but is not limited to at least one of the electronic devices such as a server and a terminal that can be configured to execute the method provided in the embodiment of the present application. In other words, the method for improving the signal strength of a vehicle-mounted positioning hotspot can be executed by software or hardware installed on a terminal device or a server device, and the software can be a blockchain platform. The server includes but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, etc. The server can be an independent server, or it can be a cloud server that provides cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, content delivery networks (Content Delivery Network, CDN), and basic cloud computing services such as big data and artificial intelligence platforms.

[0078] Reference Figure 1 FIG. 1 is a flow chart of a method for improving the signal strength of a vehicle-mounted positioning hotspot provided by an embodiment of the present invention. In this embodiment, the method for improving the signal strength of a vehicle-mounted positioning hotspot includes:

[0079] S1. Acquire vehicle information of a vehicle whose signal is to be promoted, analyze functional components of the vehicle whose signal is to be promoted based on the vehicle information, and construct a vehicle structure model of the vehicle whose signal is to be promoted based on the functional components.

[0080] It should be explained that the vehicle information refers to all relevant data and details about the vehicle whose signal is to be enhanced, including but not limited to the vehicle model, manufacturer, year, internal and external physical layout, configuration and layout of the electronic system, wiring of the power cord, and mechanical and electronic components that may affect signal reception, and the functional components refer to all electronic and mechanical components in the vehicle.

[0081] The present invention constructs a vehicle structure model of the vehicle to be enhanced based on the functional components. An accurate vehicle structure model can be constructed based on the functional components, providing a basis for subsequent signal shielding and interference isolation design.

[0082] In detail, the constructing of the vehicle structure model of the vehicle to be enhanced based on the functional components includes:

[0083] Analyzing the macroscopic structural parameters of the vehicle to be upgraded according to the vehicle information corresponding to the vehicle to be upgraded according to the signal;

[0084] Based on the macroscopic structural parameters, establishing a vehicle macroscopic model of the vehicle to be signal-enhanced;

[0085] analyzing component characteristics of the functional components;

[0086] Based on the component characteristics, determining electromagnetic field simulation software of the vehicle to be enhanced by the signal;

[0087] Defining a model boundary of the electromagnetic field simulation software;

[0088] constructing a component micro-model of the functional component according to the model boundary and the component characteristics;

[0089] The component micro-model is integrated into the vehicle macro-model to obtain a vehicle structural model of the vehicle to be enhanced.

[0090] Among them, the macro-structural parameters refer to parameters such as the overall size, shape, and material properties of the vehicle; the vehicle macro-model refers to an overall vehicle model established based on the macro-structural parameters; the component characteristics refer to the electromagnetic characteristics of each functional component (such as antennas, electronic equipment, etc.), such as radiation pattern, receiving capability, electromagnetic interference, etc.; the electromagnetic field simulation software refers to a software tool used to simulate the internal electromagnetic field of a vehicle, such as ANSYS HFSS, CST Microwave Studio and other software; the model boundary refers to the model boundary conditions defined in the electromagnetic field simulation software, such as open boundaries, perfectly matched layers (PML) and other conditions; the component micro-model refers to a model obtained after micro-modeling of each functional component; and the vehicle structural model refers to an overall vehicle structural model obtained by integrating the micro-model into the macro-model.

[0091] Furthermore, the integrating the component micro-model into the vehicle macro-model to obtain the vehicle structure model of the vehicle to be enhanced includes:

[0092] Integrating the component micro model into the vehicle macro model to obtain an integrated component model;

[0093] Analyzing the loss coefficients of the integrated component model, wherein the loss coefficients include: frequency response loss coefficient, propagation path loss coefficient, coupling mechanism loss coefficient, and environmental condition loss coefficient;

[0094] identifying signal propagation paths and interfering signals of the integrated component model;

[0095] Based on the loss coefficient, the signal propagation path and the interference signal, the coupling loss of the integrated component model is calculated:

[0096] ;

[0097] in, represents the coupling loss of the integrated component model, represents the propagation path loss coefficient in the loss coefficient, represents the frequency response loss coefficient in the loss coefficient, represents the interference frequency of the interference signal, represents the coupling mechanism loss coefficient in the loss coefficient, Represents the integrated component model Component micromodel to The distance of the signal propagation path between the microscopic models of the components, represents the distance of the maximum signal propagation path in the integrated component model, Indicates the environmental condition loss coefficient in the loss coefficient, Represents the integrated component model Component micromodel to The electromagnetic field strength of the signal propagation path between the microscopic models of the components, represents the maximum electromagnetic field strength of the integrated component model, Represents the number of component micro-models in the integrated component model;

[0098] Based on the coupling loss, the integrated component model is structurally optimized to obtain a vehicle structural model of the vehicle to be signal-enhanced.

[0099] Among them, the integrated component model refers to: all microscopic models (such as antennas, electronic equipment, etc.) are integrated into the macroscopic model (i.e., the entire vehicle) to form a complete model, the frequency response loss coefficient refers to the coefficient that describes the electromagnetic response and loss characteristics of the component at different frequencies, the propagation path loss coefficient refers to the description of the loss caused by path loss during the propagation of the signal, the coupling mechanism loss coefficient refers to the description of the loss caused by different coupling mechanisms (such as conduction coupling, radiation coupling, etc.), the environmental condition loss coefficient describes the influence of environmental conditions (such as temperature, humidity, etc.) on the loss, the signal propagation path refers to the description of the propagation path of the signal from the transmitter to the receiver, the interference signal refers to the description of other signals that may interfere with the signal, and the coupling loss refers to the description of the loss caused by various loss mechanisms during the propagation of the signal.

[0100] S2. Based on the vehicle structure model, the electromagnetic environment of the vehicle to be improved is analyzed, wherein the electromagnetic environment includes an internal electromagnetic environment and an external electromagnetic environment; according to the electromagnetic environment, the interference source components and signal positioning components of the functional components are determined, and the panel design indicators of the vehicle to be improved are constructed, wherein the panel design indicators include minimizing interference, signal integrity and electromagnetic compatibility.

[0101] The present invention analyzes the electromagnetic environment of the vehicle to be improved based on the vehicle structure model, which can effectively evaluate and improve the electromagnetic environment of the vehicle to be improved, and provide a basis for subsequent electromagnetic interference optimization.

[0102] In detail, the analyzing the electromagnetic environment of the vehicle to be enhanced based on the vehicle structure model includes:

[0103] Constructing a vehicle driving environment of the vehicle to be enhanced;

[0104] Using the vehicle structure model to simulate driving simulation data of the vehicle to be boosted under the vehicle driving environment;

[0105] Based on the driving simulation data, identifying the electromagnetic distribution of the vehicle structure model;

[0106] Determining internal interference sources and external interference sources of the vehicle structure model according to the electromagnetic distribution;

[0107] Analyzing the internal electromagnetic environment and the external electromagnetic environment of the vehicle to be enhanced by the signal through the internal interference source and the external interference source;

[0108] Based on the internal electromagnetic environment and the external electromagnetic environment, the electromagnetic environment of the vehicle to be enhanced by the signal is determined.

[0109] In detail, the vehicle driving environment refers to all external conditions in which the vehicle is located during driving, including road conditions, traffic conditions, weather conditions, surrounding buildings, electromagnetic environment, etc. The driving simulation data refers to the data obtained by the vehicle structure model simulating the behavior of the vehicle in a specific driving environment. The electromagnetic distribution refers to the electromagnetic field strength, direction and distribution inside and outside the vehicle under a specific state. The internal interference source refers to the electromagnetic interference source generated inside the vehicle. These interference sources may include engines, generators, inverters, vehicle-mounted radio transmitters, electronic control units (ECUs) and other interference sources. The external interference source refers to the electromagnetic interference source in the external environment of the vehicle. These interference sources may include radio signals from other vehicles, mobile communication base stations, high-voltage transmission lines, radar stations, broadcast towers and other interference sources. The internal electromagnetic environment refers to the electromagnetic field conditions in the internal space of the vehicle. The external electromagnetic environment refers to the electromagnetic field conditions in the external space of the vehicle. The electromagnetic environment refers to the comprehensive electromagnetic field conditions faced by the vehicle during driving, including internal and external electromagnetic environments.

[0110] Further, the identifying the electromagnetic distribution of the vehicle structure model based on the driving simulation data includes:

[0111] Based on the driving simulation data, identifying the current source point of the vehicle structure model, and analyzing the current density vector of the current source point;

[0112] According to the current source point and the current density vector, the magnetic field intensity of the vehicle structure model is calculated using the following formula:

[0113] ;

[0114] in, represents the magnetic field strength of the vehicle structure model, represents pi, represents the position vector of the current source point, Indicates relative time. Indicates the current source point In relative time The current density vector under represents the position vector of the observation point, represents a differential operator;

[0115] The electromagnetic distribution of the vehicle structure model is identified through the magnetic field strength.

[0116] The current source point refers to a specific location where current is generated in the vehicle structure model, and the current density vector describes the current density at the current source point. and relative time The magnetic field strength refers to the vector field that describes the distribution of the magnetic field in space. The relative time refers to the difference between the time when the current is generated at the current source point and the time required for the electromagnetic wave to propagate to the observation point. The observation point position vector refers to the specific position in the vehicle structure model where we want to calculate or measure the magnetic field strength.

[0117] The present invention can effectively identify and solve the electromagnetic interference problem in the vehicle structure model by determining the interference source component and signal positioning component of the functional component according to the electromagnetic environment, thereby ensuring the normal operation of the functional component. The interference source component refers to a component or device that generates electromagnetic interference (EMI) in a vehicle or other electronic system, such as equipment for overload charging and vehicle-mounted fast charging function modules, and the signal positioning component refers to those components or devices that are responsible for receiving, processing and transmitting signals in a vehicle or other electronic system, including sensors, receivers, communication interfaces and other equipment.

[0118] Optionally, the present invention constructs the plate design index of the vehicle to be improved, wherein the plate design index includes minimizing interference, signal integrity and electromagnetic compatibility, which can effectively improve the signal processing performance of the vehicle and ensure its stable and reliable operation in a complex electromagnetic environment. Wherein, minimizing interference refers to taking measures to reduce or eliminate electromagnetic interference inside and outside the electronic system, the signal integrity refers to the ability of the electronic signal to maintain its original shape and quality during transmission, and the electromagnetic compatibility refers to the ability of an electronic device or system to work normally in an electromagnetic environment without generating unacceptable electromagnetic interference.

[0119] S3. Determine the interval positions of the interference source component and the signal positioning component in the vehicle to be improved by using the plate design index and the vehicle structure model; calculate the signal interference coefficient of the interference source component based on the interval design; configure the metal shielding structure and high-frequency filter of the interference source component based on the signal interference coefficient; and construct a signal anti-interference environment for the vehicle to be improved by using the metal shielding structure and the high-frequency filter.

[0120] The present invention determines the interval positions of the interference source components and the signal locating components in the vehicle to be improved in terms of the panel design index and the vehicle structure model, and can determine the interval positions of the interference source components and the signal locating components in the vehicle to be improved in terms of the signal, and take corresponding measures to improve the electromagnetic compatibility of the vehicle.

[0121] In detail, the determining of the position of the interference source component and the signal positioning component in the section of the vehicle to be enhanced by the plate design index and the vehicle structure model includes:

[0122] Analyzing the interference source component radiation conduction capability and the signal locating component radiation conduction capability of the interference source component and the signal locating component;

[0123] Analyze the potential influence coefficients of the interference source component and the signal locating component according to the radiation conduction capability of the interference source component and the radiation conduction capability of the signal locating component;

[0124] By means of the plate design index, a position optimization function of the interference source component and the signal positioning component is constructed;

[0125] Based on the potential impact coefficient, the interval positions of the interference source component and the signal positioning component are calculated using the position optimization function.

[0126] Among them, the radiation conduction capability of the interference source component refers to the ability of the interference source component to generate electromagnetic interference in both radiation and conduction modes; the radiation conduction capability of the signal locating component refers to the sensitivity of these components when receiving electromagnetic interference; the potential impact coefficient refers to a quantitative indicator of the possibility or intensity of interference caused by the interference source component to the signal locating component; the position optimization function refers to a function used to describe the relationship between the position of the interference source component and the signal locating component and the electromagnetic compatibility of the vehicle; the interval position refers to the specific position range of the interference source component and the signal locating component inside the vehicle.

[0127] Optionally, the position optimization function of constructing the interference source component and the signal positioning component through the plate design index can be constructed by an optimization algorithm (such as genetic algorithm, particle swarm optimization, simulated annealing, etc.).

[0128] It should be explained that the signal interference coefficient refers to the degree of influence of the interference signal on the received signal.

[0129] Based on the signal interference coefficient, the present invention configures the metal shielding structure and high-frequency filter of the interference source component to reduce electromagnetic interference to the signal positioning component.

[0130] In detail, configuring the metal shielding structure and high-frequency filter of the interference source component based on the signal interference coefficient includes:

[0131] Determining key interference source components of the interference source components based on the signal interference coefficient;

[0132] Identifying component structural features of the key interference source components;

[0133] According to the structural features of the component, construct a shielding shell of the key interference source component, and mark the grounding point of the shielding shell;

[0134] Constructing a metal shielding structure of the key interference source component according to the shielding shell and the grounding point;

[0135] Based on the signal interference coefficient, analyzing the filter parameters on the metal shielding structure of the key interference source component;

[0136] According to the filter parameters, a high-frequency filter of the key interference source component is configured.

[0137] Among them, the key interference source component refers to a specific component in a vehicle or other electronic system that produces significant electromagnetic interference to the signal positioning component, the shielding shell refers to a metal structure used to surround the interference source component to block the propagation of electromagnetic waves, the grounding point refers to the point where the shielding shell is connected to the vehicle grounding system, the metal shielding structure refers to the overall design including the shielding shell and the grounding point, the filter parameters refer to the technical specifications used to design and configure high-frequency filters, including cut-off frequency, insertion loss, bandwidth, impedance matching, etc., and the high-frequency filter refers to an electronic component used to filter out high-frequency signals emitted or received by the interference source component.

[0138] It should be explained that the signal anti-interference environment refers to an environment in which a series of measures are taken to reduce the impact of external electromagnetic interference on the signal, thereby ensuring the quality and integrity of the signal during transmission and processing.

[0139] S4. Define the phased array antenna requirements of the signal locating component, and construct the phased array antenna array surface of the signal locating component according to the phased array antenna requirements.

[0140] It should be explained that the phased array antenna requirements refer to the requirements for the antenna to receive signals, including beamforming and scanning capabilities, directionality, signal reception and transmission capabilities, etc.

[0141] The present invention can construct a phased array antenna array surface that meets the requirements of the signal locating component by constructing the phased array antenna array surface of the signal locating component according to the requirements of the phased array antenna, thereby providing a basis for subsequent signal reception.

[0142] In detail, the phased array antenna array surface of the signal positioning component is constructed according to the phased array antenna requirements, including:

[0143] Determine the antenna array unit and antenna array scale of the signal positioning component according to the phased array antenna requirements;

[0144] Configuring a unit geometry structure of the antenna array unit, wherein the unit geometry structure includes a radiator, a feed network, and a matching circuit;

[0145] Constructing a phased array antenna layout of the antenna array unit based on the phased array antenna requirements, the antenna array size, and the unit geometry;

[0146] calculating antenna layout performance of the phased array antenna layout;

[0147] When the antenna layout performance meets a preset antenna layout performance threshold, a phased array antenna plane of the signal locating component is constructed based on the phased array antenna layout.

[0148] Among them, the antenna array unit refers to a single antenna element that constitutes a phased array antenna, which can independently transmit or receive electromagnetic waves. The antenna array scale refers to the total number of antenna units contained in the antenna array. The radiator refers to the part of the antenna array unit responsible for transmitting and receiving electromagnetic waves. The feed network refers to a network that distributes signals from a signal source to each antenna unit. The matching circuit refers to a circuit used to ensure that the input impedance of the antenna unit matches the impedance of the feed network, thereby reducing reflections and improving transmission efficiency. The phased array antenna layout refers to the specific arrangement of antenna units in space, including the spacing, arrangement order and relative position between units. The antenna layout performance refers to performance indicators calculated or measured based on the designed phased array antenna layout, such as beam width, sidelobe level, gain, beam pointing accuracy and cross-polarization suppression. The antenna layout performance threshold refers to a set of preset performance standards. The performance of the antenna layout must meet or exceed these standards to be considered acceptable. The phased array antenna array plane refers to an overall structure composed of multiple antenna array units.

[0149] S5. Construct a beamforming algorithm for the phased array antenna surface, use the phased array antenna surface to collect the on-board positioning hotspot signal of the vehicle whose signal is to be improved, calculate the on-board signal quality of the on-board positioning hotspot signal, and based on the on-board signal quality, use the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna surface, and based on the beamforming optimization parameters and the signal anti-interference environment, perform on-board positioning hotspot signal strength improvement.

[0150] The beamforming algorithm for constructing the phased array antenna surface in the present invention can optimize the parameters of the phased array antenna surface to enhance the signal.

[0151] In detail, the beamforming algorithm for constructing the phased array antenna plane includes:

[0152] Determining a target beam direction of the phased array antenna face;

[0153] Defining a phase offset and a position vector of the phased array antenna face;

[0154] Based on the target beam direction, the phase offset and the position vector, the array factor of the phased array antenna plane is calculated using the following formula:

[0155] ;

[0156] in, represents the array factor of the phased array antenna, It represents the number of antenna array units corresponding to the phased array antenna surface. The phased array antenna array The amplitude weighting factor of each antenna array element, represents the base of natural logarithms, represents the imaginary unit, The phased array antenna array The phase shift of each antenna array element, represents the sine function, represents the cosine function, represents the elevation angle in the target beam direction, represents the azimuth in the target beam direction, represents the wave number, The phased array antenna array The position vector of each antenna array element;

[0157] A beamforming algorithm for the phased array antenna plane is determined according to the array factor.

[0158] Among them, the target beam direction refers to the specific direction that the antenna system needs to form or point to. It is usually defined by azimuth and elevation angles, the phase offset refers to the phase delay applied to each antenna element to control the direction of the beam, the position vector refers to the position of each antenna element relative to a reference point (usually the center of the array), the array factor refers to the spatial response generated by the phase offset and position vector of the antenna element, the amplitude weighting factor refers to the amplitude gain assigned to each antenna element, the imaginary unit, the azimuth refers to the angle of the target beam direction in the horizontal plane, the elevation angle refers to the angle of the target beam direction in the vertical plane, the wave number refers to the parameter used to describe the propagation characteristics of waves in space, and the beamforming algorithm refers to the algorithm used to calculate and adjust the phase and amplitude weighting of the antenna element.

[0159] The present invention uses the phased array antenna array to collect the vehicle-mounted positioning hotspot signal of the vehicle to be improved, and calculates the vehicle-mounted signal quality of the vehicle-mounted positioning hotspot signal, which can be used as a basis for antenna array optimization. Among them, the vehicle-mounted positioning hotspot signal refers to the signal source used for positioning inside the vehicle or in the surrounding environment, and the vehicle-mounted signal quality refers to the ability of the signal to meet the requirements of the vehicle-mounted positioning system under a specific environment, including parameters such as signal strength, signal-to-noise ratio, and positioning accuracy.

[0160] Optionally, the present invention uses the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna array to improve the performance of the vehicle-mounted positioning system. In detail, the beamforming optimization parameters use the beamforming algorithm model to adjust the phase and amplitude parameters through an iterative optimization method to form an optimal beam shape. Wherein, the beamforming optimization parameters include the phase and amplitude parameters of the antenna array unit.

[0161] The present invention constructs the vehicle structure model of the vehicle to be improved based on the functional components, and an accurate vehicle structure model can be constructed based on the functional components, providing a basis for subsequent signal shielding and interference isolation design; the present invention analyzes the electromagnetic environment of the vehicle to be improved based on the vehicle structure model, and can effectively evaluate and improve the electromagnetic environment of the vehicle to be improved, and provide a basis for subsequent electromagnetic interference optimization; further, the present invention determines the interference source component and the signal positioning component of the functional component according to the electromagnetic environment, and can effectively identify and solve the electromagnetic interference problem in the vehicle structure model, ensuring the normal operation of the functional component; further, the present invention determines the position of the interference source component and the signal positioning component in the interval of the vehicle to be improved through the plate design index and the vehicle structure model. The location of the interference source component and the signal positioning component in the vehicle to be enhanced can be determined, and corresponding measures can be taken to improve the electromagnetic compatibility of the vehicle. Furthermore, based on the signal interference coefficient, the present invention configures the metal shielding structure and high-frequency filter of the interference source component to reduce the electromagnetic interference to the signal positioning component. Furthermore, the present invention can construct a phased array antenna array surface that meets the needs of the signal positioning component by constructing the phased array antenna array surface of the signal positioning component according to the requirements of the phased array antenna, providing a basis for subsequent signal reception. Finally, the beamforming algorithm of the phased array antenna array surface constructed by the present invention can optimize the parameters of the phased array antenna array surface to enhance the signal and use the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna array surface to improve the performance of the vehicle-mounted positioning system. Therefore, the present invention can improve the intensity enhancement effect of the vehicle-mounted positioning hotspot signal.

[0162] like Figure 2 The figure shows a functional module diagram of a vehicle-mounted positioning hotspot signal strength enhancement system provided by an embodiment of the present invention.

[0163] The vehicle-mounted positioning hotspot signal strength enhancement system 200 of the present invention can be installed in an electronic device. According to the functions to be implemented, the vehicle-mounted positioning hotspot signal strength enhancement system 200 can include a vehicle structure model construction module 201, an interference source component identification module 202, an anti-interference environment construction module 203, an antenna array surface construction module 204 and a signal strength enhancement module 205. The module described in the present invention can also be called a unit, which refers to a series of computer program segments that can be executed by an electronic device processor and can complete fixed functions, which are stored in the memory of the electronic device.

[0164] In this embodiment, the functions of each module / unit are as follows:

[0165] The vehicle structure model building module 201 is used to obtain vehicle information of the vehicle to be upgraded, analyze the functional components of the vehicle to be upgraded through the vehicle information, and build a vehicle structure model of the vehicle to be upgraded based on the functional components;

[0166] The interference source component identification module 202 is used to analyze the electromagnetic environment of the vehicle to be improved based on the vehicle structure model, wherein the electromagnetic environment includes an internal electromagnetic environment and an external electromagnetic environment, and according to the electromagnetic environment, determine the interference source component and the signal positioning component of the functional component, and construct the plate design index of the vehicle to be improved, wherein the plate design index includes minimizing interference, signal integrity and electromagnetic compatibility;

[0167] The anti-interference environment construction module 203 is used to determine the interval position of the interference source component and the signal positioning component in the vehicle to be improved through the plate design index and the vehicle structure model, calculate the signal interference coefficient of the interference source component based on the interval design, configure the metal shielding structure and high-frequency filter of the interference source component based on the signal interference coefficient, and construct the signal anti-interference environment of the vehicle to be improved through the metal shielding structure and the high-frequency filter;

[0168] The antenna array surface construction module 204 is used to define the phased array antenna requirements of the signal positioning component and construct the phased array antenna array surface of the signal positioning component according to the phased array antenna requirements;

[0169] The signal strength enhancement module 205 is used to construct a beamforming algorithm for the phased array antenna surface, use the phased array antenna surface to collect the vehicle-mounted positioning hotspot signal of the vehicle to be enhanced, calculate the vehicle-mounted signal quality of the vehicle-mounted positioning hotspot signal, and based on the vehicle-mounted signal quality, use the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna surface, and perform vehicle-mounted positioning hotspot signal strength enhancement based on the beamforming optimization parameters and the signal anti-interference environment.

[0170] In detail, the modules described in the vehicle-mounted positioning hotspot signal strength improvement system 200 described in the embodiment of the present invention adopt the same technical means as the vehicle-mounted positioning hotspot signal strength improvement method described in the accompanying drawings when in use, and can produce the same technical effects, which will not be repeated here.

[0171] An embodiment of the present invention provides an electronic device for implementing a method for improving the signal strength of a vehicle-mounted positioning hotspot.

[0172] See also Figure 3 As shown, the electronic device may include a processor 30, a memory 31, a communication bus 32 and a communication interface 33, and may also include a computer program stored in the memory 31 and executable on the processor 30, such as a vehicle-mounted positioning hotspot signal strength enhancement method program.

[0173] In some embodiments, the processor may be composed of an integrated circuit, for example, a single packaged integrated circuit, or a plurality of packaged integrated circuits with the same or different functions, including one or more central processing units (CPUs), microprocessors, digital processing chips, graphics processors, and a combination of various control chips. The processor is the control core (Control Unit) of the electronic device, and uses various interfaces and lines to connect the various components of the entire electronic device, and executes or executes programs or modules stored in the memory (for example, executing a vehicle-mounted positioning hotspot signal strength enhancement program, etc.), and calls data stored in the memory to execute various functions of the electronic device and process data.

[0174] The memory includes at least one type of readable storage medium, and the readable storage medium includes flash memory, mobile hard disk, multimedia card, card-type memory (for example: SD or DX memory, etc.), magnetic memory, disk, optical disk, etc. In some embodiments, the memory may be an internal storage unit of an electronic device, such as a mobile hard disk of the electronic device. In other embodiments, the memory may also be an external storage device of an electronic device, such as a plug-in mobile hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), etc. equipped on the electronic device. Furthermore, the memory may also include both an internal storage unit and an external storage device of the electronic device. The memory can be used not only to store application software and various types of data installed in the electronic device, such as the code of a vehicle-mounted positioning hotspot signal strength enhancement program, but also to temporarily store data that has been output or is to be output.

[0175] The communication bus may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus, etc. The bus may be divided into an address bus, a data bus, a control bus, etc. The bus is configured to realize connection and communication between the memory and at least one processor, etc.

[0176] The communication interface is used for communication between the above-mentioned electronic device and other devices, including a network interface and a user interface. Optionally, the network interface may include a wired interface and / or a wireless interface (such as a WI-FI interface, a Bluetooth interface, etc.), which is generally used to establish a communication connection between the electronic device and other electronic devices. The user interface may be a display (Display), an input unit (such as a keyboard (Keyboard)), and optionally, the user interface may also be a standard wired interface, a wireless interface. Optionally, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, and an OLED (Organic Light-Emitting Diode, organic light-emitting diode) touch device, etc. Among them, the display may also be appropriately referred to as a display screen or a display unit, which is used to display information processed in the electronic device and to display a visual user interface.

[0177] For example, although not shown, the electronic device may also include a power source (such as a battery) for supplying power to various components. Preferably, the power source may be logically connected to the at least one processor through a power management system, so that the power management system can realize functions such as charging management, discharging management, and power consumption management. The power source may also include any components such as one or more DC or AC power sources, recharging systems, power failure detection circuits, power converters or inverters, and power status indicators. The electronic device may also include a variety of sensors, Bluetooth modules, Wi-Fi modules, etc., which will not be repeated here.

[0178] It should be understood that the embodiment is for illustration only and the scope of the patent application is not limited to this structure.

[0179] The vehicle-mounted positioning hotspot signal strength enhancement program stored in the memory of the electronic device is a combination of multiple instructions, and when running in the processor, it can achieve:

[0180] Acquire vehicle information of the vehicle to be upgraded, analyze functional components of the vehicle to be upgraded through the vehicle information, and construct a vehicle structure model of the vehicle to be upgraded based on the functional components;

[0181] Based on the vehicle structure model, analyzing the electromagnetic environment of the vehicle to be improved, wherein the electromagnetic environment includes an internal electromagnetic environment and an external electromagnetic environment; according to the electromagnetic environment, determining the interference source component and the signal positioning component of the functional component, and constructing the panel design index of the vehicle to be improved, wherein the panel design index includes minimizing interference, signal integrity and electromagnetic compatibility;

[0182] Determine the interval positions of the interference source component and the signal positioning component in the vehicle to be improved by using the plate design index and the vehicle structure model; calculate the signal interference coefficient of the interference source component based on the interval design; configure the metal shielding structure and high-frequency filter of the interference source component based on the signal interference coefficient; and construct a signal anti-interference environment of the vehicle to be improved by using the metal shielding structure and the high-frequency filter;

[0183] Defining the phased array antenna requirements of the signal positioning component, and constructing the phased array antenna array surface of the signal positioning component according to the phased array antenna requirements;

[0184] Construct a beamforming algorithm for the phased array antenna surface, use the phased array antenna surface to collect the on-board positioning hotspot signal of the vehicle whose signal is to be improved, calculate the on-board signal quality of the on-board positioning hotspot signal, and based on the on-board signal quality, use the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna surface, and perform on-board positioning hotspot signal strength improvement based on the beamforming optimization parameters and the signal anti-interference environment.

[0185] Specifically, the specific implementation method of the processor for the above instructions can refer to the description of the relevant steps in the corresponding embodiment of the accompanying drawings, which will not be repeated here.

[0186] Furthermore, if the module / unit integrated in the electronic device is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. The computer-readable storage medium can be volatile or non-volatile. For example, the computer-readable medium can include: any entity or system that can carry the computer program code, a recording medium, a USB flash drive, a mobile hard disk, a magnetic disk, an optical disk, a computer memory, and a read-only memory (ROM).

[0187] The present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor of an electronic device, the computer program can implement:

[0188] Acquire vehicle information of the vehicle to be upgraded, analyze functional components of the vehicle to be upgraded through the vehicle information, and construct a vehicle structure model of the vehicle to be upgraded based on the functional components;

[0189] Based on the vehicle structure model, analyzing the electromagnetic environment of the vehicle to be improved, wherein the electromagnetic environment includes an internal electromagnetic environment and an external electromagnetic environment; according to the electromagnetic environment, determining the interference source component and the signal positioning component of the functional component, and constructing the panel design index of the vehicle to be improved, wherein the panel design index includes minimizing interference, signal integrity and electromagnetic compatibility;

[0190] Determine the interval positions of the interference source component and the signal positioning component in the vehicle to be improved by using the plate design index and the vehicle structure model; calculate the signal interference coefficient of the interference source component based on the interval design; configure the metal shielding structure and high-frequency filter of the interference source component based on the signal interference coefficient; and construct a signal anti-interference environment of the vehicle to be improved by using the metal shielding structure and the high-frequency filter;

[0191] Defining the phased array antenna requirements of the signal positioning component, and constructing the phased array antenna array surface of the signal positioning component according to the phased array antenna requirements;

[0192] Construct a beamforming algorithm for the phased array antenna surface, use the phased array antenna surface to collect the on-board positioning hotspot signal of the vehicle whose signal is to be improved, calculate the on-board signal quality of the on-board positioning hotspot signal, and based on the on-board signal quality, use the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna surface, and perform on-board positioning hotspot signal strength improvement based on the beamforming optimization parameters and the signal anti-interference environment.

[0193] In the several embodiments provided by the present invention, it should be understood that the disclosed devices, systems and methods can be implemented in other ways. For example, the system embodiments described above are only schematic, for example, the division of the modules is only a logical function division, and there may be other division methods in actual implementation.

[0194] The modules described as separate components may or may not be physically separated, and the components shown as modules may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0195] In addition, each functional module in each embodiment of the present invention may be integrated into one processing unit, each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of hardware plus software functional modules.

[0196] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

[0197] Therefore, no matter from which point of view, the embodiments should be regarded as illustrative and non-restrictive, and the scope of the present invention is limited by the appended claims rather than the above description, so it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any attached figure mark in the claims should not be regarded as limiting the claims involved.

[0198] The embodiments of the present application can acquire and process relevant data based on artificial intelligence technology. Artificial Intelligence (AI) is the theory, method, technology and application system that uses digital computers or machines controlled by digital computers to simulate, extend and expand human intelligence, perceive the environment, acquire knowledge and use knowledge to obtain the best results.

[0199] In addition, it is clear that the word "comprising" does not exclude other units or steps, and the singular does not exclude the plural. Multiple units or systems stated in a system claim can also be implemented by one unit or system through software or hardware. The words first, second, etc. are used to indicate names, and do not indicate any particular order.

[0200] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A method for improving the signal strength of a vehicle-mounted positioning hotspot, characterized in that: The method comprises: Acquire vehicle information of the vehicle to be upgraded, analyze functional components of the vehicle to be upgraded through the vehicle information, analyze macroscopic structural parameters of the vehicle to be upgraded through the vehicle information corresponding to the vehicle to be upgraded, establish a vehicle macroscopic model of the vehicle to be upgraded based on the macroscopic structural parameters, analyze component characteristics of the functional components, determine electromagnetic field simulation software of the vehicle to be upgraded based on the component characteristics, define a model boundary of the electromagnetic field simulation software, construct a component microscopic model of the functional components according to the model boundary and the component characteristics, integrate the component microscopic model into the vehicle macroscopic model to obtain an integrated component model, analyze the loss coefficient of the integrated component model, wherein the loss coefficient includes: frequency response loss coefficient, propagation path loss coefficient, coupling mechanism loss coefficient, environmental condition loss coefficient, identify the signal propagation path and interference signal of the integrated component model, and calculate the coupling loss of the integrated component model based on the loss coefficient, the signal propagation path and the interference signal: ； in, represents the coupling loss of the integrated component model, represents the propagation path loss coefficient in the loss coefficient, represents the frequency response loss coefficient in the loss coefficient, represents the interference frequency of the interference signal, represents the coupling mechanism loss coefficient in the loss coefficient, Represents the integrated component model Component micromodel to The distance of the signal propagation path between the microscopic models of the components, represents the distance of the maximum signal propagation path in the integrated component model, Indicates the environmental condition loss coefficient in the loss coefficient, Represents the integrated component model Component micromodel to The electromagnetic field strength of the signal propagation path between the microscopic models of the components, represents the maximum electromagnetic field strength of the integrated component model, represents the number of component microscopic models in the integrated component model, and based on the coupling loss, the integrated component model is structurally optimized to obtain a vehicle structural model of the vehicle to be enhanced in terms of signal; Based on the vehicle structure model, analyzing the electromagnetic environment of the vehicle to be improved, wherein the electromagnetic environment includes an internal electromagnetic environment and an external electromagnetic environment; according to the electromagnetic environment, determining the interference source component and the signal positioning component of the functional component, and constructing the panel design index of the vehicle to be improved, wherein the panel design index includes minimizing interference, signal integrity and electromagnetic compatibility; Determine the interval position of the interference source component and the signal positioning component in the vehicle to be improved by using the plate design index and the vehicle structure model, calculate the signal interference coefficient of the interference source component based on the interval position, configure the metal shielding structure and high-frequency filter of the interference source component based on the signal interference coefficient, and construct a signal anti-interference environment of the vehicle to be improved by using the metal shielding structure and the high-frequency filter; Defining the phased array antenna requirements of the signal positioning component, and constructing the phased array antenna array surface of the signal positioning component according to the phased array antenna requirements; Construct a beamforming algorithm for the phased array antenna surface, use the phased array antenna surface to collect the on-board positioning hotspot signal of the vehicle whose signal is to be improved, calculate the on-board signal quality of the on-board positioning hotspot signal, and based on the on-board signal quality, use the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna surface, and perform on-board positioning hotspot signal strength improvement based on the beamforming optimization parameters and the signal anti-interference environment.

2. The method for improving the signal strength of the vehicle-mounted positioning hotspot according to claim 1, characterized in that: The analyzing the electromagnetic environment of the vehicle to be enhanced based on the vehicle structure model includes: Constructing a vehicle driving environment of the vehicle to be enhanced; Using the vehicle structure model to simulate driving simulation data of the vehicle to be boosted under the vehicle driving environment; Based on the driving simulation data, identifying the electromagnetic distribution of the vehicle structure model; Determining internal interference sources and external interference sources of the vehicle structure model according to the electromagnetic distribution; Analyzing the internal electromagnetic environment and the external electromagnetic environment of the vehicle to be enhanced by the signal through the internal interference source and the external interference source; Based on the internal electromagnetic environment and the external electromagnetic environment, the electromagnetic environment of the vehicle to be enhanced by the signal is determined.

3. The method for improving the signal strength of the vehicle-mounted positioning hotspot according to claim 2, characterized in that: The identifying the electromagnetic distribution of the vehicle structure model based on the driving simulation data includes: Based on the driving simulation data, identifying the current source point of the vehicle structure model, and analyzing the current density vector of the current source point; According to the current source point and the current density vector, the magnetic field intensity of the vehicle structure model is calculated using the following formula: ； in, represents the magnetic field strength of the vehicle structure model, represents pi, represents the position vector of the current source point, Indicates relative time. Indicates the current source point In relative time The current density vector under represents the position vector of the observation point, represents a differential operator; The electromagnetic distribution of the vehicle structure model is identified through the magnetic field strength.

4. The method for improving the signal strength of the vehicle-mounted positioning hotspot according to claim 3, characterized in that: The determining, by means of the plate design index and the vehicle structure model, the position of the interference source component and the signal positioning component in the interval of the vehicle to be signal-enhanced includes: Analyzing the interference source component radiation conduction capability and the signal locating component radiation conduction capability of the interference source component and the signal locating component; Analyze the potential influence coefficients of the interference source component and the signal locating component according to the radiation conduction capability of the interference source component and the radiation conduction capability of the signal locating component; By means of the plate design index, a position optimization function of the interference source component and the signal positioning component is constructed; Based on the potential impact coefficient, the interval positions of the interference source component and the signal positioning component are calculated using the position optimization function.

5. The method for improving the signal strength of the vehicle-mounted positioning hotspot according to claim 4, characterized in that: The configuring of the metal shielding structure and the high-frequency filter of the interference source component based on the signal interference coefficient includes: Determining key interference source components of the interference source components based on the signal interference coefficient; Identifying component structural features of the key interference source components; According to the structural features of the component, construct a shielding shell of the key interference source component, and mark the grounding point of the shielding shell; Constructing a metal shielding structure of the key interference source component according to the shielding shell and the grounding point; Based on the signal interference coefficient, analyzing the filter parameters on the metal shielding structure of the key interference source component; According to the filter parameters, a high-frequency filter of the key interference source component is configured.

6. The method for improving the signal strength of the vehicle-mounted positioning hotspot according to claim 5, characterized in that: The step of constructing the phased array antenna plane of the signal positioning component according to the phased array antenna requirements includes: Determine the antenna array unit and antenna array scale of the signal positioning component according to the phased array antenna requirements; Configuring a unit geometry structure of the antenna array unit, wherein the unit geometry structure includes a radiator, a feed network, and a matching circuit; Constructing a phased array antenna layout of the antenna array unit based on the phased array antenna requirements, the antenna array size, and the unit geometry; calculating antenna layout performance of the phased array antenna layout; When the antenna layout performance meets a preset antenna layout performance threshold, a phased array antenna plane of the signal locating component is constructed based on the phased array antenna layout.

7. The method for improving the signal strength of the vehicle-mounted positioning hotspot according to claim 6, characterized in that: The beamforming algorithm for constructing the phased array antenna plane includes: Determining a target beam direction of the phased array antenna face; Defining a phase offset and a position vector of the phased array antenna face; Based on the target beam direction, the phase offset and the position vector, the array factor of the phased array antenna plane is calculated using the following formula: ； in, represents the array factor of the phased array antenna, It represents the number of antenna array units corresponding to the phased array antenna surface. The phased array antenna array The amplitude weighting factor of each antenna array element, represents the base of natural logarithms, represents the imaginary unit, The phased array antenna array The phase shift of each antenna array element, represents the sine function, represents the cosine function, represents the elevation angle in the target beam direction, represents the azimuth in the target beam direction, represents the wave number, The phased array antenna array The position vector of each antenna array element; A beamforming algorithm for the phased array antenna plane is determined according to the array factor.

8. A vehicle-mounted positioning hotspot signal strength enhancement system, characterized in that: The system is used to execute the vehicle-mounted positioning hotspot signal strength improvement method according to any one of claims 1 to 7, and the system comprises: The vehicle structure model building module is used to obtain vehicle information of the vehicle to be upgraded, analyze the functional components of the vehicle to be upgraded through the vehicle information, analyze the macroscopic structural parameters of the vehicle to be upgraded through the vehicle information corresponding to the vehicle to be upgraded, establish a vehicle macroscopic model of the vehicle to be upgraded based on the macroscopic structural parameters, analyze the component characteristics of the functional components, determine the electromagnetic field simulation software of the vehicle to be upgraded based on the component characteristics, define the model boundary of the electromagnetic field simulation software, build a component microscopic model of the functional component according to the model boundary and the component characteristics, integrate the component microscopic model into the vehicle macroscopic model to obtain an integrated component model, analyze the loss coefficient of the integrated component model, wherein the loss coefficient includes: frequency response loss coefficient, propagation path loss coefficient, coupling mechanism loss coefficient, environmental condition loss coefficient, identify the signal propagation path and interference signal of the integrated component model, and calculate the coupling loss of the integrated component model based on the loss coefficient, the signal propagation path and the interference signal: ； in, represents the coupling loss of the integrated component model, represents the propagation path loss coefficient in the loss coefficient, represents the frequency response loss coefficient in the loss coefficient, represents the interference frequency of the interference signal, represents the coupling mechanism loss coefficient in the loss coefficient, Represents the integrated component model Component micromodel to The distance of the signal propagation path between the microscopic models of the components, represents the distance of the maximum signal propagation path in the integrated component model, Indicates the environmental condition loss coefficient in the loss coefficient, Represents the integrated component model Component micromodel to The electromagnetic field strength of the signal propagation path between the microscopic models of the components, represents the maximum electromagnetic field strength of the integrated component model, represents the number of component microscopic models in the integrated component model, and based on the coupling loss, the integrated component model is structurally optimized to obtain a vehicle structural model of the vehicle to be enhanced in terms of signal; An interference source component identification module is used to analyze the electromagnetic environment of the vehicle to be improved based on the vehicle structure model, wherein the electromagnetic environment includes an internal electromagnetic environment and an external electromagnetic environment, and according to the electromagnetic environment, determine the interference source component and the signal positioning component of the functional component, and construct the plate design index of the vehicle to be improved, wherein the plate design index includes minimizing interference, signal integrity and electromagnetic compatibility; An anti-interference environment construction module is used to determine the interval position of the interference source component and the signal positioning component in the vehicle to be improved through the plate design index and the vehicle structure model, calculate the signal interference coefficient of the interference source component based on the interval position, configure the metal shielding structure and high-frequency filter of the interference source component based on the signal interference coefficient, and construct the signal anti-interference environment of the vehicle to be improved through the metal shielding structure and the high-frequency filter; An antenna array surface construction module is used to define the phased array antenna requirements of the signal positioning component and construct the phased array antenna array surface of the signal positioning component according to the phased array antenna requirements; The signal strength enhancement module is used to construct a beamforming algorithm for the phased array antenna surface, use the phased array antenna surface to collect the vehicle-mounted positioning hotspot signal of the vehicle to be enhanced, calculate the vehicle-mounted signal quality of the vehicle-mounted positioning hotspot signal, and based on the vehicle-mounted signal quality, use the beamforming algorithm to calculate the beamforming optimization parameters of the phased array antenna surface, and perform vehicle-mounted positioning hotspot signal strength enhancement based on the beamforming optimization parameters and the signal anti-interference environment.

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