CN116056034A - Vehicle-mounted wireless communication analysis regulation and control system based on in-vehicle environment monitoring - Google Patents
Vehicle-mounted wireless communication analysis regulation and control system based on in-vehicle environment monitoring Download PDFInfo
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- G07C5/00—Registering or indicating the working of vehicles
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- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
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Abstract
The invention relates to the technical field of vehicle-mounted wireless communication analysis regulation and control, and particularly discloses a vehicle-mounted wireless communication analysis regulation and control system based on vehicle interior environment monitoring.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted wireless communication analysis and regulation, in particular to a vehicle-mounted wireless communication analysis and regulation system based on in-vehicle environment monitoring.
Background
The current intelligent science and technology develop at a high speed, infinite possibility and development vigor are brought to the innovation of the automobile field, the vehicle-mounted wireless communication technology is gradually applied to automobile production and manufacture, the automobile starts to move to an intelligent and diversified development road, higher convenience is brought to driving and traveling of people, the functions of GPS positioning, driving and navigation, environment data acquisition, vehicle command and dispatch, in-vehicle video entertainment and the like in the automobile field all need to use the vehicle-mounted wireless communication technology nowadays, the improvement and development of the vehicle-mounted wireless communication technology are important supporting factors for guaranteeing safe driving of the vehicle and comfortable driving experience of a driver, and therefore reasonable and proper analysis and regulation of the vehicle-mounted wireless communication are quite necessary.
At present, the prior art has a series of defects aiming at the analysis and regulation of vehicle-mounted wireless communication, and the defects are specifically embodied in the following layers: (1) In the prior art, in signal regulation and control of vehicle-mounted wireless communication, signal intensity which is designed in advance in the actual production process is always only relied on one side, and signal intensity monitoring with real-time performance is not carried out on vehicle-mounted communication signals, and a certain degree of loss can occur to the receiving capacity of the vehicle along with the increase of service life, so that the receiving delay of the vehicle communication signals can be increased to a certain degree due to the lack of consideration of the level, the running safety risk of the vehicle is further increased, the supporting guarantee of reliability cannot be provided for the running safety and stability of the vehicle, and the running experience of a driver is greatly reduced.
(2) The prior art is deficient in carrying out detailed and in-place concrete analysis on the use condition of each vehicle-mounted communication hardware of the vehicle, so that the situation that the targeted analysis level is insufficient and the dimension to be considered is single exists, the coordinated signal distribution management cannot be carried out on each vehicle-mounted communication hardware of the vehicle, the matching degree between the communication signals applied by the vehicle-mounted communication hardware of the vehicle and the actual application state is greatly reduced, the transmission energy consumption of the vehicle-mounted communication hardware of the vehicle is increased to a certain extent, the dispute incidence rate caused by the large difference between the communication signals applied by the vehicle-mounted communication hardware and the actual requirements is indirectly increased, and the operation stability of related production departments of the vehicle is further negatively influenced.
Disclosure of Invention
In order to overcome the defects in the background art, the embodiment of the invention provides a vehicle-mounted wireless communication analysis and regulation system based on in-vehicle environment monitoring, which can effectively solve the problems related to the background art.
The aim of the invention can be achieved by the following technical scheme: an in-vehicle wireless communication analysis regulation system based on in-vehicle environmental monitoring, comprising: the system comprises a designated vehicle internal environment parameter monitoring and analyzing module, a designated vehicle internal environment parameter monitoring and analyzing module and a vehicle internal environment parameter monitoring and analyzing module, wherein the designated vehicle internal environment parameter monitoring and analyzing module is used for monitoring the environmental parameters of the designated vehicle, and further analyzing and evaluating the running safety index corresponding to the environmental parameters of the designated vehicle.
The designated vehicle driving parameter monitoring and analyzing module is used for monitoring the driving parameters of the designated vehicle and further analyzing and evaluating the driving safety indexes corresponding to the driving parameters of the designated vehicle.
The building distribution parameter acquisition and analysis module is used for acquiring the building distribution parameters of the signal receiving areas of the appointed vehicles, and further analyzing and evaluating the signal receiving stability indexes corresponding to the building distribution parameters of the signal receiving areas of the appointed vehicles.
The data integration processing center is used for comprehensively calculating the signal comprehensive demand index corresponding to the appointed vehicle according to the running safety index corresponding to the environmental parameter and the driving parameter in the appointed vehicle and the signal receiving stability index corresponding to the building distribution parameter to which the signal receiving area of the appointed vehicle belongs, analyzing the signal comprehensive demand index to obtain the signal demand intensity of the appointed vehicle, and performing signal early warning on the appointed vehicle.
The specified vehicle on-board communication hardware monitoring and analyzing module is used for monitoring each on-board communication hardware of the specified vehicle, and further analyzing and calculating signal allocation evaluation coefficients corresponding to each on-board communication hardware of the specified vehicle.
The signal regulation and control processing terminal is used for carrying out signal allocation on each vehicle-mounted communication hardware of the appointed vehicle according to the signal allocation evaluation coefficients corresponding to each vehicle-mounted communication hardware of the appointed vehicle.
The communication information base is used for storing the standard temperature, standard humidity and standard carbon dioxide concentration in the running environment of the vehicle, storing the proper running speed and the number of adaptation bearing people corresponding to various vehicle attributes, storing the number of adaptation buildings corresponding to the signal receiving area of the vehicle, the adaptation height of the single building, the adaptation occupied area and the adaptation distance from the central line of the corresponding signal receiving area, and storing signal demand allocation evaluation factors corresponding to unit application state attribute duration time of various vehicle-mounted communication hardware under various application state attributes.
As a further scheme, the evaluation specifies a running safety index corresponding to an environmental parameter in the vehicle, and the specific analysis process is as follows: monitoring environmental parameters in the appointed vehicle, wherein the environmental parameters comprise temperature, humidity and carbon dioxide concentration, further acquiring the temperature, humidity and carbon dioxide concentration in the appointed vehicle, comparing the temperature, humidity and carbon dioxide concentration with standard temperature, standard humidity and standard carbon dioxide concentration in a running environment of the vehicle stored in a communication information base, and calculating a running safety index corresponding to the environmental parameters in the appointed vehicle according to the standard temperature, standard humidity and standard carbon dioxide concentration, wherein a specific calculation formula is as follows:
wherein->
Driving safety index corresponding to environmental parameter expressed as specified vehicle interior, < ->
、/>
And->
Expressed as standard temperature, standard humidity and standard carbon dioxide concentration, respectively, inside the driving environment to which the vehicle belongs,/->
、/>
And->
Respectively expressed as a specified temperature, humidity and carbon dioxide concentration of the vehicle interior,/->
、/>
And->
The running safety correction factors corresponding to the set temperature, humidity and carbon dioxide concentration are shown as "e", and the natural constant "e", respectively.
As a further scheme, the specific driving parameters of the specified vehicle are monitored, and the specific process is as follows: and monitoring driving parameters of the appointed vehicle, wherein the driving parameters comprise driving basic parameters and actual driving parameters, the driving basic parameters comprise vehicle attributes, delivery using time and total driving mileage, and the actual driving parameters comprise driving speed and carrier number.
According to the vehicle attribute, the delivery service duration and the driving total mileage of the appointed vehicle, further delivering the vehicle according to units corresponding to the preset various vehicle attributesThe running safety factors of the using duration are matched to obtain the running safety factors of the using duration of the specified vehicle corresponding to the unit delivery, the running safety factors of the total mileage of the specified vehicle corresponding to the unit delivery are obtained by matching, the running safety index corresponding to the running basic parameters of the specified vehicle is obtained by calculation according to the running safety factors, and the specific calculation formula is as follows:
wherein->
Driving safety index corresponding to driving basic parameter expressed as specified vehicle,/>
And->
Respectively expressed as factory use duration and total driving mileage of a specified vehicle, < >>
And->
Running safety factors respectively expressed as a specified vehicle corresponding to a unit factory use time length and a unit driving total mileage +.>
The running safety correction value corresponding to the set running basic parameter is indicated.
Matching the vehicle attribute of the appointed vehicle with the proper running speed and the proper carrier number corresponding to various vehicle attributes stored in the communication information base to obtain the proper running speed and the proper carrier number corresponding to the appointed vehicle, and according to the running speed and the carrier number of the appointed vehicle, comparing and calculating to obtain the running safety index corresponding to the actual running parameter of the appointed vehicle, wherein the specific calculation formula is as follows:
wherein->
Driving safety index corresponding to actual driving parameter expressed as specified vehicle,/>
And->
Respectively expressed as a running speed and a number of carriers of a specified vehicle, < + >>
And->
Respectively expressed as the proper running speed and the number of the matched load corresponding to the appointed vehicle,/>
And->
Respectively expressed as a running safety weight factor corresponding to the set running speed and the number of the passengers.
As a further scheme, the specific running safety index corresponding to the driving parameter of the specified vehicle is calculated by the following steps: according to the running safety indexes corresponding to the running basic parameters and the actual running parameters of the appointed vehicle, further comprehensively calculating the running safety indexes corresponding to the driving parameters of the appointed vehicle, wherein the calculation formula is as follows:
wherein->
Expressed as a running safety index corresponding to a driving parameter of a specified vehicle,
and->
Respectively expressed as set driving basic parameters andthe ratio of the driving safety weight corresponding to the actual driving parameter.
As a further scheme, the specific analysis process of the signal receiving stability index corresponding to the building distribution parameter to which the signal receiving area of the specified vehicle belongs is as follows: according to building distribution parameters of a signal receiving area of a specified vehicle, wherein the building distribution parameters comprise the number of buildings, the height, the occupied area and the distance between the signal receiving areas and the central line of the corresponding signal receiving area, and further according to the number of adaptation buildings corresponding to the signal receiving area of the specified vehicle and the adaptation height, the adaptation occupied area and the distance between the adaptation of the signal receiving areas and the central line of the corresponding signal receiving area stored in a communication information base, the signal receiving stability index corresponding to the building distribution parameters of the signal receiving area of the specified vehicle is calculated according to the building distribution parameters, wherein the calculation formula is as follows:
wherein->
Signal reception stability index, expressed as correspondence of building distribution parameters to which a signal reception area of a specified vehicle belongs, +.>
、/>
、/>
And->
Respectively expressed as the number of the adaptation buildings corresponding to the signal receiving areas of the vehicles, the adaptation height of the single building, the adaptation occupied area and the adaptation distance from the central line of the corresponding signal receiving areas, and>
、/>
、/>
and->
Respectively expressed as the number of buildings to which the signal receiving area of the specified vehicle belongs, the height, the occupied area and the distance from the center line of the corresponding signal receiving area of the ith building, < + >>
、/>
、/>
And->
Signal reception stability correction values corresponding to the number of buildings and the height, floor area and distance of the buildings from the central line of the corresponding signal reception area are respectively expressed, i is expressed as the number of each building, and i is expressed as the number of each building>
。
As a further scheme, the signal comprehensive demand index corresponding to the specified vehicle has a specific calculation formula:
wherein->
Signal combination demand index, denoted as corresponding to the specified vehicle, ">
、/>
And->
Respectively expressed as settingsThe environment parameters, the driving parameters and the signal demand weight factors corresponding to the building distribution parameters to which the signal receiving areas belong.
As a further scheme, the signal early warning is carried out on the appointed vehicle, and the specific process is as follows: monitoring the communication signal strength of the appointed vehicle, further obtaining the communication signal strength of the appointed vehicle, matching the signal comprehensive demand index corresponding to the appointed vehicle with the signal demand strength corresponding to the set various signal comprehensive demand index sections, further obtaining the signal demand strength corresponding to the appointed vehicle, further comparing the communication signal strength of the appointed vehicle with the signal demand strength corresponding to the appointed vehicle, and carrying out signal early warning on the appointed vehicle if the communication signal strength of the appointed vehicle is lower than the signal demand strength corresponding to the appointed vehicle.
As a further scheme, the specific calculation process of the signal allocation evaluation coefficient corresponding to each vehicle-mounted communication hardware to which the specified vehicle belongs is as follows: monitoring application parameters of each vehicle-mounted communication hardware of the appointed vehicle, wherein the application parameters comprise application state attributes and application state attribute duration, further matching with signal demand allocation evaluation factors corresponding to unit application state attribute duration of each vehicle-mounted communication hardware stored in a communication information base under various application state attributes to obtain signal demand allocation evaluation factors corresponding to unit application state attribute duration of each vehicle-mounted communication hardware of the appointed vehicle, and calculating signal allocation evaluation coefficients corresponding to each vehicle-mounted communication hardware of the appointed vehicle according to the signal demand allocation evaluation factors, wherein the specific calculation formula is as follows:
wherein->
Representing signal allocation evaluation coefficients corresponding to j-th vehicle-mounted communication hardware of appointed vehicle>
Representing the application state of the j-th vehicle-mounted communication hardware of the appointed vehicleDuration of sex->
Signal demand allocation evaluation factor expressed as a unit application state attribute duration corresponding to an application state attribute specifying a jth in-vehicle communication hardware to which the vehicle belongs,/>
Signal allocation correction coefficients corresponding to application parameters of the set vehicle-mounted communication hardware are represented, j is represented as the number of each vehicle-mounted communication hardware, and +.>
。
As a further scheme, the signal allocation is carried out on each vehicle-mounted communication hardware of the appointed vehicle, and the specific process is as follows: and matching the signal allocation evaluation coefficients corresponding to the vehicle-mounted communication hardware of the appointed vehicle with the signal allocation intensities corresponding to the set various signal allocation evaluation coefficient intervals to obtain the signal allocation intensities corresponding to the vehicle-mounted communication hardware of the appointed vehicle, and allocating the signals to the vehicle-mounted communication hardware of the appointed vehicle according to the signal allocation evaluation coefficients.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects: (1) According to the vehicle-mounted wireless communication analysis regulation system based on the in-vehicle environment monitoring, the signal intensity monitoring on the vehicle-mounted communication signals is effectively achieved, the defect that the real-time performance is poor when the signal is regulated and controlled on the vehicle-mounted wireless communication in the prior art is overcome, the signal receiving capability of an automobile is also damaged to a certain extent due to the fact that the service life of the automobile is prolonged, the signal demand intensity of a specified vehicle is obtained through analysis and calculation, the receiving delay of the vehicle communication signals is reduced to a greater extent, the running safety risk of the vehicle is further reduced, the reliability support guarantee is provided for the running safety and stability of the vehicle, and the running experience of a driver is greatly improved.
(2) According to the invention, the application state attribute and the duration of the application state attribute of each vehicle-mounted communication hardware of the appointed vehicle are monitored, so that the signal allocation evaluation coefficient corresponding to each vehicle-mounted communication hardware of the appointed vehicle is calculated, the signal allocation is carried out on each vehicle-mounted communication hardware of the appointed vehicle according to the signal allocation evaluation coefficient, the defect that the prior art is deficient in carrying out detailed and in-place concrete analysis on the use condition of each vehicle-mounted communication hardware of the vehicle is effectively overcome, the pertinence analysis level is effectively improved, the considered dimension is rich and various, the signal allocation management can be carried out on each vehicle-mounted communication hardware of the vehicle in a coordinated manner, the matching degree between the communication signals applied by the vehicle-mounted communication hardware of the vehicle and the actual application state is greatly improved, the transmission energy consumption of the vehicle-mounted communication hardware of the vehicle is reduced to a certain extent, the dispute incidence caused by the large difference between the communication signals applied by the vehicle-mounted communication hardware and the actual requirements is reduced, and the negative influence on the operation stability of the production of relevant departments of the vehicle is avoided.
(3) According to the invention, the environment parameters, the driving parameters and the building distribution parameters of the signal receiving area in the appointed vehicle are respectively subjected to targeted monitoring analysis, so that the signal comprehensive demand index corresponding to the appointed vehicle is comprehensively calculated, the signal demand intensity of the appointed vehicle is obtained through analysis, the appointed vehicle is subjected to signal early warning, scientific and reasonable basis is effectively provided for signal monitoring management of the appointed vehicle, the phenomenon of low matching and coordination between the communication signals of the appointed vehicle and the actual driving conditions is avoided, the potential safety hazard of vehicle driving is reduced to a certain extent, the safe and stable driving of drivers is facilitated, and the harmonious driving environment of people and vehicles is constructed.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is a schematic diagram of the system structure of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a vehicle-mounted wireless communication analysis and control system based on in-vehicle environment monitoring, including: the system comprises an appointed vehicle internal environment parameter monitoring and analyzing module, an appointed vehicle driving parameter monitoring and analyzing module, a building distribution parameter acquisition and analyzing module, a data integration processing center, an appointed vehicle-mounted communication hardware monitoring and analyzing module, a signal regulation and control processing terminal and a communication information base.
The system comprises a specified vehicle internal environment parameter monitoring analysis module, a specified vehicle driving parameter monitoring analysis module and a building distribution parameter acquisition analysis module, wherein the specified vehicle internal environment parameter monitoring analysis module, the specified vehicle driving parameter monitoring analysis module and the building distribution parameter acquisition analysis module are respectively connected with a communication information base and a data integration processing center, the specified vehicle-mounted communication hardware monitoring analysis module is connected with the communication information base, and the signal regulation processing terminal is connected with the specified vehicle-mounted communication hardware monitoring analysis module.
The specified vehicle internal environment parameter monitoring and analyzing module is used for monitoring the environment parameters in the specified vehicle, and further analyzing and evaluating the running safety indexes corresponding to the environment parameters in the specified vehicle.
Specifically, the evaluation specifies a running safety index corresponding to an environmental parameter in the vehicle, and the specific analysis process is as follows: monitoring environmental parameters in the appointed vehicle, wherein the environmental parameters comprise temperature, humidity and carbon dioxide concentration, further acquiring the temperature, humidity and carbon dioxide concentration in the appointed vehicle, comparing the temperature, humidity and carbon dioxide concentration with standard temperature, standard humidity and standard carbon dioxide concentration in the running environment of the vehicle stored in a communication information base, and calculating running safety corresponding to the environmental parameters in the appointed vehicleThe specific calculation formula of the index is as follows:
wherein->
Driving safety index corresponding to environmental parameter expressed as specified vehicle interior, < ->
、/>
And->
Expressed as standard temperature, standard humidity and standard carbon dioxide concentration, respectively, inside the driving environment to which the vehicle belongs,/->
、/>
And->
Respectively expressed as a specified temperature, humidity and carbon dioxide concentration of the vehicle interior,/->
、/>
And->
The running safety correction factors corresponding to the set temperature, humidity and carbon dioxide concentration are shown as "e", and the natural constant "e", respectively.
The specific devices used for monitoring the environmental parameters in the specified vehicle include a temperature sensor, a humidity sensor and a carbon dioxide concentration sensor.
The specified vehicle driving parameter monitoring and analyzing module is used for monitoring the driving parameters of the specified vehicle, and further analyzing and evaluating the driving safety indexes corresponding to the driving parameters of the specified vehicle.
Specifically, the specific process of monitoring the driving parameters of the specified vehicle is as follows: and monitoring driving parameters of the appointed vehicle, wherein the driving parameters comprise driving basic parameters and actual driving parameters, the driving basic parameters comprise vehicle attributes, delivery using time and total driving mileage, and the actual driving parameters comprise driving speed and carrier number.
It should be noted that the vehicle attributes specifically include a car, a truck, a passenger car, an off-road vehicle, a tractor, a semitrailer and the like, and the factory use duration, the total driving mileage and the driving speed can be obtained by monitoring a driving cloud platform of a specified vehicle, and the number of the passengers can be obtained by monitoring by setting a human body infrared sensor.
According to the vehicle attribute, the delivery use duration and the total driving mileage of the appointed vehicle, and then the running safety factor which corresponds to the preset various vehicle attributes and corresponds to the delivery use duration of the unit is matched, the running safety factor which corresponds to the delivery use duration of the unit of the appointed vehicle is obtained, and similarly, the running safety factor which corresponds to the total driving mileage of the unit of the appointed vehicle is obtained by matching, and the running safety index which corresponds to the running basic parameter of the appointed vehicle is obtained by calculating according to the running safety factor, wherein the specific calculation formula is as follows:
wherein->
Driving safety index corresponding to driving basic parameter expressed as specified vehicle,/>
And->
Respectively expressed as factory use duration and total driving mileage of a specified vehicle, < >>
And->
Running safety factors respectively expressed as a specified vehicle corresponding to a unit factory use time length and a unit driving total mileage +.>
The running safety correction value corresponding to the set running basic parameter is indicated.
Matching the vehicle attribute of the appointed vehicle with the proper running speed and the proper carrier number corresponding to various vehicle attributes stored in the communication information base to obtain the proper running speed and the proper carrier number corresponding to the appointed vehicle, and according to the running speed and the carrier number of the appointed vehicle, comparing and calculating to obtain the running safety index corresponding to the actual running parameter of the appointed vehicle, wherein the specific calculation formula is as follows:
wherein->
Driving safety index corresponding to actual driving parameter expressed as specified vehicle,/>
And->
Respectively expressed as a running speed and a number of carriers of a specified vehicle, < + >>
And->
Respectively expressed as the proper running speed and the number of the matched load corresponding to the appointed vehicle,/>
And->
Respectively expressed as set travelingAnd the speed and the number of the passengers correspond to the driving safety weight factors.
Specifically, the specific running safety index corresponding to the driving parameter of the specified vehicle is calculated by the following steps: according to the running safety indexes corresponding to the running basic parameters and the actual running parameters of the appointed vehicle, further comprehensively calculating the running safety indexes corresponding to the driving parameters of the appointed vehicle, wherein the calculation formula is as follows:
wherein->
Driving safety index corresponding to driving parameter expressed as specified vehicle,/->
And->
Respectively representing the driving safety weight ratio corresponding to the set driving basic parameter and the actual driving parameter.
The building distribution parameter acquisition and analysis module is used for acquiring building distribution parameters of the signal receiving areas of the appointed vehicles, and further analyzing and evaluating signal receiving stability indexes corresponding to the building distribution parameters of the signal receiving areas of the appointed vehicles.
Specifically, the specific analysis process of the signal receiving stability index corresponding to the building distribution parameter to which the signal receiving area of the specified vehicle belongs is as follows: according to building distribution parameters of a signal receiving area of a specified vehicle, wherein the building distribution parameters comprise the number of buildings, the height, the occupied area and the distance between the signal receiving areas and the central line of the corresponding signal receiving area, and further according to the number of adaptation buildings corresponding to the signal receiving area of the specified vehicle and the adaptation height, the adaptation occupied area and the distance between the adaptation of the signal receiving areas and the central line of the corresponding signal receiving area stored in a communication information base, the signal receiving stability index corresponding to the building distribution parameters of the signal receiving area of the specified vehicle is calculated according to the building distribution parameters, wherein the calculation formula is as follows:
wherein->
Signal reception stability index, expressed as correspondence of building distribution parameters to which a signal reception area of a specified vehicle belongs, +.>
、/>
、/>
And->
Respectively expressed as the number of the adaptation buildings corresponding to the signal receiving areas of the vehicles, the adaptation height of the single building, the adaptation occupied area and the adaptation distance from the central line of the corresponding signal receiving areas, and>
、/>
、/>
and->
Respectively expressed as the number of buildings to which the signal receiving area of the specified vehicle belongs, the height, the occupied area and the distance from the center line of the corresponding signal receiving area of the ith building, < + >>
、/>
、/>
And->
Signal reception stability correction values corresponding to the number of buildings and the height, floor area and distance of the buildings from the central line of the corresponding signal reception area are respectively expressed, i is expressed as the number of each building, and i is expressed as the number of each building>
。
It should be noted that, the specific acquisition process of the building distribution parameter to which the signal receiving area of the specified vehicle belongs is as follows: carrying out live-action scanning on signal coverage areas of all vehicle-mounted signal emission base stations, constructing a signal coverage area model of all vehicle-mounted signal emission base stations, extracting a signal coverage area model of a vehicle-mounted signal emission base station of a specified vehicle, positioning the signal coverage area model of the vehicle-mounted signal emission base station of the specified vehicle from the signal coverage area model to the center point of the vehicle-mounted signal emission base station of the specified vehicle, connecting the center point of the vehicle-mounted signal emission base station of the specified vehicle with the center point of the specified vehicle in a straight line, further marking the connecting straight line as a signal receiving area of the specified vehicle to construct a datum line, and equally extending the signal receiving area of the specified vehicle to two sides according to the set signal receiving area coverage radius width, constructing the signal receiving area of the specified vehicle according to the signal receiving area coverage area model of the vehicle-mounted signal emission base station of the specified vehicle, dividing and extracting the signal receiving area model of the specified vehicle from the signal receiving area model of the specified vehicle, further extracting the number of the signal receiving area of the specified vehicle and the height and the occupied area of each building, further connecting the vertical line with the center point of the upper vertical plane of each building as datum point, further obtaining the signal receiving area center line of the corresponding signal receiving area, and the vertical line of the signal receiving area of the corresponding signal receiving area, and the vertical line of the signal receiving area is obtained and the signal receiving area of the corresponding distance of the vertical line.
The data integration processing center is used for comprehensively calculating the signal comprehensive demand index corresponding to the appointed vehicle according to the running safety index corresponding to the environmental parameter and the driving parameter in the appointed vehicle and the signal receiving stability index corresponding to the building distribution parameter to which the signal receiving area of the appointed vehicle belongs, analyzing the signal comprehensive demand index to obtain the signal demand intensity of the appointed vehicle, and then carrying out signal early warning on the appointed vehicle.
Specifically, the signal comprehensive demand index corresponding to the specified vehicle has a specific calculation formula:
wherein->
Signal combination demand index, denoted as corresponding to the specified vehicle, ">
、/>
And->
The signal demand weight factors are respectively expressed as the set environment parameters, driving parameters and corresponding building distribution parameters of the signal receiving area.
In a specific embodiment, the invention respectively carries out targeted monitoring analysis on the environmental parameters, the driving parameters and the building distribution parameters of the signal receiving areas in the appointed vehicle, further comprehensively calculates the signal comprehensive demand index corresponding to the appointed vehicle, analyzes the signal comprehensive demand index to obtain the signal demand intensity of the appointed vehicle, and then carries out signal early warning on the appointed vehicle, thereby effectively providing scientific and reasonable basis for the signal monitoring management of the appointed vehicle, avoiding the phenomenon of low matching and coordination between the communication signals of the appointed vehicle and the actual driving conditions, reducing the potential safety hazard of vehicle driving to a certain extent, further being beneficial to safe and stable driving of drivers and constructing harmonious driving environments of people and vehicles.
Specifically, the signal early warning is carried out on the appointed vehicle, and the specific process is as follows: monitoring the communication signal strength of the appointed vehicle, further obtaining the communication signal strength of the appointed vehicle, matching the signal comprehensive demand index corresponding to the appointed vehicle with the signal demand strength corresponding to the set various signal comprehensive demand index sections, further obtaining the signal demand strength corresponding to the appointed vehicle, further comparing the communication signal strength of the appointed vehicle with the signal demand strength corresponding to the appointed vehicle, and carrying out signal early warning on the appointed vehicle if the communication signal strength of the appointed vehicle is lower than the signal demand strength corresponding to the appointed vehicle.
The above-mentioned monitoring device for monitoring the intensity of the communication signal to which the specified vehicle belongs is a signal intensity tester.
The specified vehicle-mounted communication hardware monitoring and analyzing module is used for monitoring each vehicle-mounted communication hardware of the specified vehicle, and further analyzing and calculating signal allocation evaluation coefficients corresponding to each vehicle-mounted communication hardware of the specified vehicle.
The vehicle-mounted communication hardware comprises a media video and audio hardware terminal, a driving video recording terminal, a call equipment terminal, a driving safety prompt terminal, a driving assisting hardware terminal and the like.
Specifically, the signal allocation evaluation coefficients corresponding to each vehicle-mounted communication hardware to which the specified vehicle belongs are calculated according to the following steps: monitoring application parameters of each vehicle-mounted communication hardware of the appointed vehicle, wherein the application parameters comprise application state attributes and application state attribute duration, further matching with signal demand allocation evaluation factors corresponding to unit application state attribute duration of each vehicle-mounted communication hardware stored in a communication information base under various application state attributes to obtain signal demand allocation evaluation factors corresponding to unit application state attribute duration of each vehicle-mounted communication hardware of the appointed vehicle, and calculating signal allocation evaluation coefficients corresponding to each vehicle-mounted communication hardware of the appointed vehicle according to the signal demand allocation evaluation factors, wherein the specific calculation formula is as follows:
wherein->
Representing signal allocation evaluation coefficients corresponding to j-th vehicle-mounted communication hardware of appointed vehicle>
The duration of the application state attribute expressed as the j-th on-vehicle communication hardware to which the specified vehicle belongs, +.>
Signal demand allocation evaluation factor expressed as a unit application state attribute duration corresponding to an application state attribute specifying a jth in-vehicle communication hardware to which the vehicle belongs,/>
Signal allocation correction coefficients corresponding to application parameters of the set vehicle-mounted communication hardware are represented, j is represented as the number of each vehicle-mounted communication hardware, and +.>
。
It should be noted that the application state attributes include a power-on use state, a standby state, and a power-off state.
The signal regulation and control processing terminal is used for carrying out signal allocation on each vehicle-mounted communication hardware of the appointed vehicle according to the signal allocation evaluation coefficients corresponding to each vehicle-mounted communication hardware of the appointed vehicle.
Specifically, the signal allocation is carried out on each vehicle-mounted communication hardware of the appointed vehicle, and the specific process is as follows: and matching the signal allocation evaluation coefficients corresponding to the vehicle-mounted communication hardware of the appointed vehicle with the signal allocation intensities corresponding to the set various signal allocation evaluation coefficient intervals to obtain the signal allocation intensities corresponding to the vehicle-mounted communication hardware of the appointed vehicle, and allocating the signals to the vehicle-mounted communication hardware of the appointed vehicle according to the signal allocation evaluation coefficients.
In a specific embodiment of the invention, the application state attribute and the duration of the application state attribute of each vehicle-mounted communication hardware to which the appointed vehicle belongs are monitored, and then the signal allocation evaluation coefficient corresponding to each vehicle-mounted communication hardware to which the appointed vehicle belongs is calculated, so that each vehicle-mounted communication hardware of the appointed vehicle is allocated with signals, the defect that the prior art is deficient in carrying out detailed and in-place specific analysis on the use condition of each vehicle-mounted communication hardware of the vehicle is effectively overcome, the pertinence analysis level is effectively improved, the dimension to be considered is rich and diversified, the coordinated signal allocation management can be carried out on each vehicle-mounted communication hardware of the vehicle, the matching degree between the communication signals applied by the vehicle-mounted communication hardware of the vehicle and the actual application state is greatly improved, the transmission energy consumption of the vehicle-mounted communication hardware of the vehicle is reduced to a certain extent, the dispute incidence caused by the large difference between the communication signals applied by the vehicle-mounted communication hardware and the actual requirements is reduced, and the negative influence on the operation stability of the relevant production department of the vehicle is avoided.
The communication information base is used for storing standard temperature, standard humidity and standard carbon dioxide concentration in a running environment of a vehicle, storing proper running speeds and adaptive carrier numbers corresponding to various vehicle attributes, storing adaptive building numbers corresponding to signal receiving areas of the vehicle, adaptive heights, adaptive occupied areas and adaptive distances from central lines of the corresponding signal receiving areas of the single building, and storing signal demand allocation evaluation factors corresponding to unit application state attribute duration time of various vehicle-mounted communication hardware under various application state attributes.
In a specific embodiment, the invention effectively realizes the signal intensity monitoring on the vehicle-mounted communication signals by providing the vehicle-mounted wireless communication analysis regulation system based on the vehicle interior environment monitoring, thereby overcoming the defect that the real-time is relatively lacking in the signal regulation on the vehicle-mounted wireless communication in the prior art, considering that the signal receiving capability of the automobile is also lost to a certain extent along with the increase of the service life of the automobile, the invention obtains the signal demand intensity of the appointed vehicle through analysis and calculation, thereby greatly reducing the receiving delay of the vehicle communication signals, further reducing the running safety risk of the vehicle, not only providing reliable support guarantee for the running safety and stability of the vehicle, but also greatly improving the running experience of a driver.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. An on-vehicle wireless communication analysis regulation and control system based on in-vehicle environmental monitoring, characterized by comprising:
the system comprises a designated vehicle internal environment parameter monitoring and analyzing module, a monitoring and analyzing module and a control module, wherein the designated vehicle internal environment parameter monitoring and analyzing module is used for monitoring the environmental parameters in the designated vehicle, so as to analyze and evaluate the running safety index corresponding to the environmental parameters in the designated vehicle;
the specified vehicle driving parameter monitoring and analyzing module is used for monitoring the driving parameters of the specified vehicle and further analyzing and evaluating the driving safety indexes corresponding to the driving parameters of the specified vehicle;
the building distribution parameter acquisition and analysis module is used for acquiring building distribution parameters of the signal receiving area of the appointed vehicle, and further analyzing and evaluating signal receiving stability indexes corresponding to the building distribution parameters of the signal receiving area of the appointed vehicle;
the data integration processing center is used for comprehensively calculating the signal comprehensive demand index corresponding to the appointed vehicle according to the running safety index corresponding to the environmental parameter and the driving parameter in the appointed vehicle and the signal receiving stability index corresponding to the building distribution parameter to which the signal receiving area of the appointed vehicle belongs, analyzing the signal comprehensive demand index to obtain the signal demand intensity of the appointed vehicle, and performing signal early warning on the appointed vehicle;
the system comprises a specified vehicle-mounted communication hardware monitoring analysis module, a signal allocation evaluation coefficient calculation module and a signal allocation evaluation coefficient calculation module, wherein the specified vehicle-mounted communication hardware monitoring analysis module is used for monitoring each vehicle-mounted communication hardware to which the specified vehicle belongs, and further analyzing and calculating signal allocation evaluation coefficients corresponding to each vehicle-mounted communication hardware to which the specified vehicle belongs;
the signal regulation and control processing terminal is used for allocating and evaluating coefficients according to signals corresponding to the vehicle-mounted communication hardware of the appointed vehicle, and allocating the signals to the vehicle-mounted communication hardware of the appointed vehicle according to the signal allocation and evaluation coefficients;
the communication information base is used for storing the standard temperature, standard humidity and standard carbon dioxide concentration in the running environment of the vehicle, storing the proper running speed and the number of adaptation bearing people corresponding to various vehicle attributes, storing the number of adaptation buildings corresponding to the signal receiving area of the vehicle, the adaptation height of the single building, the adaptation occupied area and the adaptation distance from the central line of the corresponding signal receiving area, and storing signal demand allocation evaluation factors corresponding to unit application state attribute duration time of various vehicle-mounted communication hardware under various application state attributes.
2. The in-vehicle wireless communication analysis and regulation system based on in-vehicle environmental monitoring of claim 1, wherein: the specific analysis process of the running safety index corresponding to the environmental parameter in the specified vehicle is as follows:
monitoring environmental parameters in the appointed vehicle, wherein the environmental parameters comprise temperature, humidity and carbon dioxide concentration, further acquiring the temperature, humidity and carbon dioxide concentration in the appointed vehicle, comparing the temperature, humidity and carbon dioxide concentration with standard temperature, standard humidity and standard carbon dioxide concentration in a running environment of the vehicle stored in a communication information base, and calculating a running safety index corresponding to the environmental parameters in the appointed vehicle according to the standard temperature, standard humidity and standard carbon dioxide concentration, wherein a specific calculation formula is as follows:
wherein->
Driving safety index corresponding to environmental parameter expressed as specified vehicle interior, < ->
、/>
And->
Expressed as standard temperature, standard humidity and standard carbon dioxide concentration, respectively, inside the driving environment to which the vehicle belongs,/->
、/>
And->
Respectively expressed as a specified temperature, humidity and carbon dioxide concentration of the vehicle interior,/->
、/>
And->
The running safety correction factors corresponding to the set temperature, humidity and carbon dioxide concentration are shown as "e", and the natural constant "e", respectively.
3. The in-vehicle wireless communication analysis and regulation system based on in-vehicle environmental monitoring of claim 2, wherein: the specific process of monitoring the driving parameters of the appointed vehicle is as follows:
monitoring driving parameters of a specified vehicle, wherein the driving parameters comprise driving basic parameters and actual driving parameters, the driving basic parameters comprise vehicle attributes, delivery using time and total driving mileage, and the actual driving parameters comprise driving speed and carrier number;
according to the vehicle attribute, the delivery use duration and the total driving mileage of the appointed vehicle, matching with the preset running safety factor of the delivery use duration of various vehicle attribute corresponding units to obtain the corresponding appointed vehicleThe running safety factor of the unit delivery using time length is matched to obtain the running safety factor of the unit driving total mileage corresponding to the appointed vehicle, and the running safety index corresponding to the running basic parameter of the appointed vehicle is calculated according to the running safety factor, and the specific calculation formula is as follows:
wherein->
Driving safety index corresponding to driving basic parameter expressed as specified vehicle,/>
And->
Respectively expressed as factory use duration and total driving mileage of a specified vehicle, < >>
And->
Running safety factors respectively expressed as a specified vehicle corresponding to a unit factory use time length and a unit driving total mileage +.>
The driving safety correction value corresponding to the set driving basic parameter is shown;
matching the vehicle attribute of the appointed vehicle with the proper running speed and the proper carrier number corresponding to various vehicle attributes stored in the communication information base to obtain the proper running speed and the proper carrier number corresponding to the appointed vehicle, and according to the running speed and the carrier number of the appointed vehicle, comparing and calculating to obtain the running safety index corresponding to the actual running parameter of the appointed vehicle, wherein the specific calculation formula is as follows:
wherein->
Driving safety index corresponding to actual driving parameter expressed as specified vehicle,/>
And->
Respectively expressed as a running speed of a specified vehicle and the number of carriers,
and->
Respectively expressed as the proper running speed and the number of the matched load corresponding to the appointed vehicle,/>
And->
Respectively expressed as a running safety weight factor corresponding to the set running speed and the number of the passengers.
4. The in-vehicle wireless communication analysis and regulation system based on in-vehicle environmental monitoring of claim 3, wherein: the specific calculation process of the running safety index corresponding to the driving parameters of the appointed vehicle is as follows: according to the running safety indexes corresponding to the running basic parameters and the actual running parameters of the appointed vehicle, further comprehensively calculating the running safety indexes corresponding to the driving parameters of the appointed vehicle, wherein the calculation formula is as follows:
wherein->
Represented as a given vehicleDriving safety index corresponding to driving parameter +.>
And->
Respectively representing the driving safety weight ratio corresponding to the set driving basic parameter and the actual driving parameter.
5. The in-vehicle wireless communication analysis and regulation system based on in-vehicle environmental monitoring of claim 4, wherein: the specific analysis process of the signal receiving stability index corresponding to the building distribution parameter to which the signal receiving area of the appointed vehicle belongs is as follows:
according to building distribution parameters of a signal receiving area of a specified vehicle, wherein the building distribution parameters comprise the number of buildings, the height, the occupied area and the distance between the signal receiving areas and the central line of the corresponding signal receiving area, and further according to the number of adaptation buildings corresponding to the signal receiving area of the specified vehicle and the adaptation height, the adaptation occupied area and the distance between the adaptation of the signal receiving areas and the central line of the corresponding signal receiving area stored in a communication information base, the signal receiving stability index corresponding to the building distribution parameters of the signal receiving area of the specified vehicle is calculated according to the building distribution parameters, wherein the calculation formula is as follows:
wherein->
Signal reception stability index, expressed as correspondence of building distribution parameters to which a signal reception area of a specified vehicle belongs, +.>
、/>
、/>
And->
Respectively expressed as the number of the adaptation buildings corresponding to the signal receiving areas of the vehicles, the adaptation height of the single building, the adaptation occupied area and the adaptation distance from the central line of the corresponding signal receiving areas, and>
、/>
、/>
and->
Respectively expressed as the number of buildings to which the signal receiving area of the specified vehicle belongs, the height, the occupied area and the distance from the center line of the corresponding signal receiving area of the ith building, < + >>
、/>
、/>
And->
Signal reception stability correction values corresponding to the number of buildings and the height, floor area and distance of the buildings from the central line of the corresponding signal reception area are respectively expressed, i is expressed as the number of each building, and i is expressed as the number of each building>
。
6. The in-vehicle wireless communication analysis and regulation system based on in-vehicle environmental monitoring of claim 5, wherein: the specific calculation formula of the signal comprehensive demand index corresponding to the appointed vehicle comprises the following steps:
wherein->
Signal combination demand index, denoted as corresponding to the specified vehicle, ">
、/>
And->
The signal demand weight factors are respectively expressed as the set environment parameters, driving parameters and corresponding building distribution parameters of the signal receiving area.
7. The in-vehicle wireless communication analysis and regulation system based on in-vehicle environmental monitoring of claim 1, wherein: the specific process of the signal early warning for the appointed vehicle is as follows: monitoring the communication signal strength of the appointed vehicle, further obtaining the communication signal strength of the appointed vehicle, matching the signal comprehensive demand index corresponding to the appointed vehicle with the signal demand strength corresponding to the set various signal comprehensive demand index sections, further obtaining the signal demand strength corresponding to the appointed vehicle, further comparing the communication signal strength of the appointed vehicle with the signal demand strength corresponding to the appointed vehicle, and carrying out signal early warning on the appointed vehicle if the communication signal strength of the appointed vehicle is lower than the signal demand strength corresponding to the appointed vehicle.
8. The in-vehicle wireless communication analysis and regulation system based on in-vehicle environmental monitoring of claim 1, wherein: the specific calculation process of the signal allocation evaluation coefficient corresponding to each vehicle-mounted communication hardware of the appointed vehicle is as follows:
monitoring application parameters of each vehicle-mounted communication hardware of the appointed vehicle, wherein the application parameters comprise application state attributes and application state attribute duration, further matching with signal demand allocation evaluation factors corresponding to unit application state attribute duration of each vehicle-mounted communication hardware stored in a communication information base under various application state attributes to obtain signal demand allocation evaluation factors corresponding to unit application state attribute duration of each vehicle-mounted communication hardware of the appointed vehicle, and calculating signal allocation evaluation coefficients corresponding to each vehicle-mounted communication hardware of the appointed vehicle according to the signal demand allocation evaluation factors, wherein the specific calculation formula is as follows:
wherein->
Representing signal allocation evaluation coefficients corresponding to j-th vehicle-mounted communication hardware of appointed vehicle>
The duration of the application state attribute expressed as the j-th on-vehicle communication hardware to which the specified vehicle belongs, +.>
Signal demand allocation evaluation factor expressed as a unit application state attribute duration corresponding to an application state attribute specifying a jth in-vehicle communication hardware to which the vehicle belongs,/>
Signal allocation correction coefficients corresponding to application parameters of the set vehicle-mounted communication hardware are represented, j is represented as the number of each vehicle-mounted communication hardware, and +.>
。
9. The in-vehicle wireless communication analysis and regulation system based on in-vehicle environmental monitoring of claim 1, wherein: the signal allocation is carried out on each vehicle-mounted communication hardware of the appointed vehicle, and the specific process is as follows: and matching the signal allocation evaluation coefficients corresponding to the vehicle-mounted communication hardware of the appointed vehicle with the signal allocation intensities corresponding to the set various signal allocation evaluation coefficient intervals to obtain the signal allocation intensities corresponding to the vehicle-mounted communication hardware of the appointed vehicle, and allocating the signals to the vehicle-mounted communication hardware of the appointed vehicle according to the signal allocation evaluation coefficients.
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