CN113038389B - Method and system for realizing data interaction based on Internet of vehicles - Google Patents
Method and system for realizing data interaction based on Internet of vehicles Download PDFInfo
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- CN113038389B CN113038389B CN202110581864.7A CN202110581864A CN113038389B CN 113038389 B CN113038389 B CN 113038389B CN 202110581864 A CN202110581864 A CN 202110581864A CN 113038389 B CN113038389 B CN 113038389B
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- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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Abstract
The application provides a method and a system for realizing data interaction based on Internet of vehicles, wherein the method comprises the following steps: receiving a vehicle networking data acquisition request of a request terminal; acquiring characteristic data of the Internet of vehicles data acquisition request; acquiring the characteristic data and network side resources of the request according to the Internet of vehicles data, and allocating a network side communication link and a communication port for the request terminal; the method comprises the steps that vehicle networking data of a road section where a request terminal is located are obtained and sent to the request terminal through a distributed communication link and a distributed communication port; acquiring communication characteristic data of a communication port; calculating the saturation of the communication port according to the communication characteristic data; and comparing the saturation of the communication port with a preset first expansion threshold, if the saturation of the communication port is greater than the preset first expansion threshold, expanding the communication port for the communication link, and otherwise, not expanding the communication port. The method and the device perform priority processing on the request with higher emergency degree, and improve the communication efficiency between the request terminal and the network side.
Description
Technical Field
The application relates to the technical field of wireless communication, in particular to a method and a system for realizing data interaction based on Internet of vehicles.
Background
The connotation of the Internet of vehicles mainly refers to: the vehicle-mounted equipment on the vehicle effectively utilizes all vehicle dynamic information in the information network platform through a wireless communication technology, and provides different functional services in the running process of the vehicle. It can be seen that the internet of vehicles exhibits the following features: the Internet of vehicles can provide guarantee for the distance between the vehicles, and the probability of collision accidents of the vehicles is reduced; the Internet of vehicles can help the vehicle owner to navigate in real time, and the efficiency of traffic operation is improved through communication with other vehicles and a network system. However, in the prior art, the disadvantages in the process of requesting the terminal to communicate with the network side include: the network side cannot communicate with the vehicle according to the emergency degree of the data request acquired by the request terminal, cannot perform priority processing on the acquisition request with higher emergency degree, and in addition, the network side cannot reasonably apply the communication ports, and the communication tasks of some communication ports are heavy, so that the communication efficiency between the request terminal and the network side is low.
Disclosure of Invention
The application aims to provide a method and a system for realizing data interaction based on the Internet of vehicles, the method carries out priority processing on a request with higher emergency degree, and the communication efficiency of a request terminal and a network side is improved.
In order to achieve the above object, the present application provides a method for implementing data interaction based on the internet of vehicles, which includes the following steps:
receiving a vehicle networking data acquisition request of a request terminal;
acquiring characteristic data of the Internet of vehicles data acquisition request;
acquiring the characteristic data and network side resources of the request according to the Internet of vehicles data, and allocating a network side communication link and a communication port for the request terminal;
the method comprises the steps that vehicle networking data of a road section where a request terminal is located are obtained and sent to the request terminal through a distributed communication link and a distributed communication port;
acquiring communication characteristic data of a communication port;
calculating the saturation of the communication port according to the communication characteristic data;
and comparing the saturation of the communication port with a preset first expansion threshold, if the saturation of the communication port is greater than the preset first expansion threshold, expanding the communication port for the communication link, and otherwise, not expanding the communication port.
As above, wherein, the vehicle networking data acquisition request includes a plurality of characteristic data: the request time, the type of the request terminal, the request type, the operation characteristic data of the request terminal and the road condition alarm information data of the road section where the request terminal is located.
As above, the method for allocating a network side communication link and a communication port to a requesting terminal includes:
calculating an emergency degree value of the Internet of vehicles data acquisition request according to the characteristic data of the Internet of vehicles data acquisition request;
acquiring the grade of the emergency degree value of the request and network side resources according to the Internet of vehicles data, and allocating a communication link with a corresponding grade to the request terminal for communication;
and realizing the communication between the request terminal and the network side according to the communication port corresponding to the preset communication link.
As above, a plurality of range thresholds are previously divided for the emergency degree of the data acquisition request of the internet of vehicles, different range thresholds match communication links of different levels, and communication links of higher levels match larger range thresholds of emergency degree.
As above, the obtaining of the internet of vehicles data of the road section where the request terminal is located includes: the method for acquiring the vehicle density comprises the following steps:
acquiring the number of a road section where a request terminal is located;
receiving vehicle position data and vehicle speed data at a plurality of roadside nodes corresponding to the serial number of the road section where the request terminal is located;
and calculating the vehicle intensity value of the road section where the request terminal is located according to the received vehicle position data and the vehicle speed data.
As above, wherein the calculation formula of the vehicle density value M of the road section is:
wherein M represents a level of intensity of the road segment; c represents the number of lanes of the road section; NC represents the number of vehicles on a single road segment; LC represents the length of a single road segment; GC represents the highest speed limit value of the vehicle speed of the current road section; VC (vitamin C)fRepresents a traveling speed of the f-th vehicle; DC represents the lowest speed limit value of the vehicle speed of the current road section; VC (vitamin C)f —The driving speed of the f-th vehicle is represented, wherein the driving speed of the vehicle is less than the lowest speed limit value; s represents the total logarithm of adjacent vehicles; djIndicating the distance between the jth pair of vehicles.
As above, the traffic information of different road segments is pre-stored in the network side, and the traffic alarm information is obtained according to the serial number of the road segment where the request terminal is located.
As above, the method for expanding the communication port for the communication link includes: the method comprises the steps of presetting a communication port name and a communication port address in a registration center, and enabling the set communication port name and the set communication port address.
As above, wherein the vehicle networking data comprises vehicle safety information data and network information data.
The application also provides a system for realizing data interaction based on the Internet of vehicles, which comprises:
the receiving module is used for receiving a vehicle networking data acquisition request of a request terminal;
the acquisition module is used for acquiring the characteristic data of the Internet of vehicles data acquisition request;
the network side resource allocation module is used for acquiring the characteristic data and the network side resources of the request according to the Internet of vehicles data and allocating a network side communication link and a communication port to the request terminal;
the data sending module is used for acquiring the Internet of vehicles data of the road section where the request terminal is located and sending the Internet of vehicles data to the request terminal through the distributed communication link and the distributed communication port;
the communication characteristic data acquisition module is used for acquiring communication characteristic data of a communication port;
the data processor is used for calculating the saturation of the communication port according to the communication characteristic data;
and the communication port expansion module is used for comparing the saturation of the communication port with a preset first expansion threshold, if the saturation of the communication port is greater than the preset first expansion threshold, the communication port is expanded for the communication link, and otherwise, the communication port does not need to be expanded.
The beneficial effect that this application realized is as follows:
(1) according to the method and the device, the emergency degree value of the Internet of vehicles data acquisition request is calculated according to the characteristic data of the Internet of vehicles data acquisition request, the communication links of corresponding levels are distributed according to the emergency degree value to carry out communication between the vehicles and the network side, the communication links with higher levels are preferentially communicated with the network side, and the priority processing of the emergency acquisition request is realized.
(2) The saturation of the communication port is calculated, the communication port is expanded for the communication link according to the saturation of the communication port, reasonable application of the communication port is achieved, smoothness of communication is guaranteed, and communication efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a flowchart of a method for implementing data interaction based on the internet of vehicles according to an embodiment of the present application.
Fig. 2 is a flowchart of a method for allocating a network-side communication link and a communication port to a requesting terminal according to an embodiment of the present application.
FIG. 3 is a flowchart of a method for obtaining vehicle density according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a system for implementing data interaction based on the internet of vehicles according to an embodiment of the present application.
Reference numerals: 10-a receiving module; 20-an acquisition module; 30-a network side resource allocation module; 40-a data transmission module; 50-a communication characteristic data acquisition module; 60-a data processor; 70-a communication port expansion module; 100-a system for implementing data interaction based on car networking.
Detailed Description
The technical solutions in the embodiments of the present application are clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example one
As shown in fig. 1, the present application provides a method for implementing data interaction based on internet of vehicles, which includes the following steps:
and S1, receiving the Internet of vehicles data acquisition request of the request terminal.
Specifically, the network side receives a request for acquiring the vehicle networking data of the request terminal.
And S2, acquiring the characteristic data of the Internet of vehicles data acquisition request.
Wherein, the car networking data acquisition request includes a plurality of characteristic data: the method comprises the steps of requesting time, the type of a requesting terminal (such as an ambulance, a fire truck, a passenger car, a truck, a cleaning vehicle, an obstacle removing vehicle and the like), the type of the request (such as safety information and network information), operation characteristic data of the requesting terminal (such as vehicle speed, fuel consumption, motor current, motor voltage, battery current, battery voltage and other fault information and the like), and road condition warning information data of a road section where the requesting terminal is located (such as sharp turn, speed limit, road wet and slippery, water accumulation and traffic accidents and the like).
Specifically, the receiving of the internet of vehicles data acquisition request may be receiving voice request data or text information data in the vehicle.
The internet of vehicles data includes vehicle safety information data (road condition information and vehicle intensity) and network information data (music, radio, station, etc.).
The vehicle-mounted data acquisition terminal acquires data such as the position, the speed, the mileage, the oil consumption, the current and the voltage of the motor, the current and the voltage of the battery, the fault information and the like of the vehicle and sends the acquired data to the roadside node or the network side server.
And S3, according to the characteristic data and the network side resources of the vehicle networking data acquisition request, allocating a network side communication link and a communication port for the request terminal.
As shown in fig. 2, step S3 includes the following sub-steps:
s310, calculating an emergency degree value of the Internet of vehicles data acquisition request according to the characteristic data of the Internet of vehicles data acquisition request.
Specifically, the formula for calculating the emergency degree value J of the internet-of-vehicles data acquisition request is as follows:
wherein J represents an emergency degree value of the Internet of vehicles data acquisition request; r1An influence factor representing the urgency value of the acquisition request at the request time; a represents an urgency factor requesting terminal input；R2An influence factor representing the type of the request terminal on the emergency degree value of the acquisition request; r3An influence factor representing the type of the request on the urgency value of the acquisition request; r4Representing the influence factor of the operation characteristic data of the request terminal on the emergency degree value of the acquisition request; r5Representing the influence factor of the road condition information data of the request terminal on the emergency degree value of the acquisition request; t is1Indicating the time at which the request was made; t is0Represents an initial time; ZL represents an urgency evaluation value of the type of the requesting terminal; QL represents an urgency evaluation value of the request type; h represents a parameter; h represents the total number of the operation characteristic data of the request terminal; ehRepresenting the influence weight of the operation characteristic data of the h-th request terminal; u shapehAn actual measurement value representing the operation characteristic data of the h-th request terminal; b ishA standard value representing operation characteristic data of the h-th request terminal; k represents the total number of the road condition warning information categories where the request terminal is located; k represents the kth traffic warning information category, GkA weight value representing the kth traffic warning information category; YLkIndicating the impact severity index of the kth road condition alarm information category; n is a radical ofkIndicating the number of occurrences of the kth traffic warning information category.
And S320, distributing a communication link with a corresponding grade to the request terminal for communication according to the grade of the emergency degree value of the Internet of vehicles data acquisition request and the network side resource.
The communication link includes multiple levels, each level of communication link matching a different level of urgency of the internet of vehicles data acquisition request. Specifically, a plurality of range thresholds are divided for the emergency degree of the vehicle networking data acquisition request, different range thresholds are matched with communication links of different levels, the higher the level of the communication link is, the larger the emergency degree range threshold is matched with, the higher the level of the communication link is, the communication link with the higher level is preferentially communicated with the network side.
And S330, according to a communication port corresponding to the preset communication link, realizing the communication between the request terminal and the network side.
And S4, acquiring the Internet of vehicles data of the road section where the request terminal is located, and sending the Internet of vehicles data to the request terminal through the distributed communication link and communication port.
The vehicle networking data includes vehicle safety information data and network information data. The vehicle safety information data includes road condition warning information (sharp turn, speed limit, road slippery, water accumulation, traffic accidents, etc.) and vehicle density. The road condition warning information of different road sections is pre-stored on the network side, and the road condition warning information can be acquired according to the serial number of the road section where the request terminal is located and the position of the request terminal.
As shown in fig. 3, the method of acquiring the vehicle density in S4 includes the steps of:
and S410, acquiring the number of the road section where the request terminal is located.
And S420, receiving vehicle position data and vehicle speed data at a plurality of roadside nodes corresponding to the serial number of the road section where the request terminal is located.
And S430, calculating the vehicle density degree value of the road section where the request terminal is located according to the received vehicle position data and the vehicle speed data.
Specifically, the calculation formula of the vehicle intensity value M of the road section is as follows:
wherein M represents a level of intensity of the road segment; c represents the number of lanes of the road section; NC represents the number of vehicles on a single road segment; LC represents the length of a single road segment; GC represents the highest speed limit value of the vehicle speed of the current road section; VC (vitamin C)fRepresents a traveling speed of the f-th vehicle; DC represents the lowest speed limit value of the vehicle speed of the current road section; VC (vitamin C)f —The driving speed of the f-th vehicle is represented, wherein the driving speed of the vehicle is less than the lowest speed limit value; s represents the total logarithm of adjacent vehicles; djRepresents the distance between the jth pair of vehicles; j denotes the j-th pair of vehicles.
Specifically, the intensity value is sent to the request terminal through the allocated network side communication link and the allocated communication port.
And S5, acquiring the communication characteristic data of the communication port.
The acquiring of the communication characteristic data of the communication port comprises the following steps: the time length required by the communication link to access the network side, the quantity of data packets transmitted and received by the communication link, the delay time length of the data packets transmitted and received, and the like.
And S6, calculating the saturation of the communication port according to the communication characteristic data.
Specifically, the calculation formula of the saturation B of the communication port is as follows:
wherein B represents the saturation of the communication port; l represents the number of communication links linked by a single communication port; ti represents the time length required by the access of the ith communication link to the network side; o isiIndicating the number of requesting terminals connected by the ith communication link; SB (bus bar)iIndicating the number of data packets received by the ith communication link; FAiIndicating the number of data packets sent out by the ith communication link; b represents the b-th delayed data packet; THbiThe delay time of the data packet representing the b-th receiving delay of the ith communication link; TFdiThe delay time of the data packet representing the d sending delay of the ith communication link; d represents the data packet of the d-th transmission delay; DBiIndicating the total number of lost data packets of the ith communication link; ZBiIndicating the total number of data packets sent and received by the ith communication link.
And S7, comparing the saturation of the communication port with a preset first expansion threshold, if the saturation of the communication port is greater than the preset first expansion threshold, expanding the communication port for the communication link, otherwise, not expanding the communication port.
The method for expanding the communication port for the network side communication link comprises the following steps: the method comprises the steps of presetting a communication port name and a communication port address in a registration center, and enabling the set communication port name and the set communication port address.
Example two
As shown in fig. 4, the present application provides a system 100 for implementing data interaction based on car networking, the system comprising:
the receiving module 10 is configured to receive a request for acquiring vehicle networking data from a requesting terminal.
And the obtaining module 20 is configured to obtain feature data of the vehicle networking data obtaining request.
And the network side resource allocation module 30 is configured to acquire the requested feature data and network side resources according to the vehicle networking data, and allocate a network side communication link and a communication port to the requesting terminal.
And the data sending module 40 is used for acquiring the internet of vehicles data of the road section where the request terminal is located, and sending the internet of vehicles data to the request terminal through the distributed communication link and communication port.
A communication characteristic data obtaining module 50 for obtaining communication characteristic data of the communication port,
a data processor 60 for calculating saturation of the communication port based on the communication characteristic data.
The communication port expansion module 70 is configured to compare the saturation of the communication port with a preset first expansion threshold, and if the saturation of the communication port is greater than the preset first expansion threshold, expand the communication port for the communication link, otherwise, do not need to expand the communication port.
The beneficial effect that this application realized is as follows:
(1) according to the method and the device, the emergency degree value of the Internet of vehicles data acquisition request is calculated according to the characteristic data of the Internet of vehicles data acquisition request, the communication link with the corresponding level is distributed according to the emergency degree value to realize the communication between the vehicle and the network side, the communication link with the higher level is preferentially communicated with the network side, and the priority processing of the emergency acquisition request is realized.
(2) The saturation of the communication port is calculated, the communication port is expanded for the communication link according to the saturation of the communication port, reasonable application of the communication port is achieved, smoothness of communication is guaranteed, and communication efficiency is improved.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. A method for realizing data interaction based on Internet of vehicles is characterized by comprising the following steps:
receiving a vehicle networking data acquisition request of a request terminal;
acquiring characteristic data of the Internet of vehicles data acquisition request;
acquiring the characteristic data and network side resources of the request according to the Internet of vehicles data, and allocating a network side communication link and a communication port for the request terminal;
the method comprises the steps that vehicle networking data of a road section where a request terminal is located are obtained and sent to the request terminal through a distributed communication link and a distributed communication port;
acquiring communication characteristic data of a communication port;
calculating the saturation of the communication port according to the communication characteristic data;
comparing the saturation of the communication port with a preset first expansion threshold, if the saturation of the communication port is greater than the preset first expansion threshold, expanding the communication port for the communication link, otherwise, not expanding the communication port;
the method for allocating the network side communication link and the communication port to the request terminal comprises the following steps:
calculating an emergency degree value of the Internet of vehicles data acquisition request according to the characteristic data of the Internet of vehicles data acquisition request;
acquiring the grade of the emergency degree value of the request and network side resources according to the Internet of vehicles data, and allocating a communication link with a corresponding grade to the request terminal for communication;
according to a communication port corresponding to a preset communication link, communication between the request terminal and a network side is achieved;
the formula for calculating the emergency degree value J of the Internet of vehicles data acquisition request is as follows:
wherein J represents Internet of vehicles dataAcquiring an emergency degree value of a request; r1An influence factor representing the urgency value of the acquisition request at the request time; a represents an emergency factor input by a request terminal; r2An influence factor representing the type of the request terminal on the emergency degree value of the acquisition request; r3An influence factor representing the type of the request on the urgency value of the acquisition request; r4Representing the influence factor of the operation characteristic data of the request terminal on the emergency degree value of the acquisition request; r5Representing the influence factor of the road condition information data of the request terminal on the emergency degree value of the acquisition request; t is1Indicating the time at which the request was made; t is0Represents an initial time; ZL represents an urgency evaluation value of the type of the requesting terminal; QL represents an urgency evaluation value of the request type; h represents a parameter; h represents the total number of the operation characteristic data of the request terminal; ehRepresenting the influence weight of the operation characteristic data of the h-th request terminal; u shapehAn actual measurement value representing the operation characteristic data of the h-th request terminal; b ishA standard value representing operation characteristic data of the h-th request terminal; k represents the total number of the road condition warning information categories where the request terminal is located; k represents the kth traffic warning information category, GkA weight value representing the kth traffic warning information category; YLkIndicating the impact severity index of the kth road condition alarm information category; n is a radical ofkIndicating the number of occurrences of the kth traffic warning information category.
2. The method for realizing data interaction based on the Internet of vehicles as claimed in claim 1, wherein the Internet of vehicles data acquisition request comprises a plurality of characteristic data: the request time, the type of the request terminal, the request type, the operation characteristic data of the request terminal and the road condition alarm information data of the road section where the request terminal is located.
3. The method for realizing data interaction based on the Internet of vehicles as claimed in claim 1, wherein a plurality of range thresholds are divided for the emergency degree of the Internet of vehicles data acquisition request in advance, different range thresholds match different levels of communication links, and higher levels of communication links match larger emergency degree range thresholds.
4. The method for realizing data interaction based on the Internet of vehicles according to claim 1, wherein the step of obtaining the Internet of vehicles data of the road section where the request terminal is located comprises the steps of: the degree of density of the vehicles is acquired,
the method for acquiring the vehicle density comprises the following steps:
acquiring the number of a road section where a request terminal is located;
receiving vehicle position data and vehicle speed data at a plurality of roadside nodes corresponding to the serial number of the road section where the request terminal is located;
and calculating the vehicle intensity value of the road section where the request terminal is located according to the received vehicle position data and the vehicle speed data.
5. The method for realizing data interaction based on the Internet of vehicles as claimed in claim 4, wherein the calculation formula of the vehicle intensity value M of the road section is as follows:
wherein M represents a level of intensity of the road segment; c represents the number of lanes of the road section; NC represents the number of vehicles on a single road segment; LC represents the length of a single road segment; GC represents the highest speed limit value of the vehicle speed of the current road section; VC (vitamin C)fRepresents a traveling speed of the f-th vehicle; DC represents the lowest speed limit value of the vehicle speed of the current road section; VC (vitamin C)f —The driving speed of the f-th vehicle is represented, wherein the driving speed of the vehicle is less than the lowest speed limit value; s represents the total logarithm of adjacent vehicles; djIndicating the distance between the jth pair of vehicles.
6. The method for realizing data interaction based on the Internet of vehicles as claimed in claim 2, wherein the road condition information of different road sections is pre-stored in the network side, and the road condition warning information is obtained according to the serial number of the road section where the request terminal is located.
7. The method for realizing data interaction based on the Internet of vehicles as claimed in claim 1, wherein the method for expanding the communication port for the communication link comprises the following steps: the method comprises the steps of presetting a communication port name and a communication port address in a registration center, and enabling the set communication port name and the set communication port address.
8. The method for realizing data interaction based on the Internet of vehicles as claimed in claim 1, wherein the Internet of vehicles data comprises vehicle safety information data and network information data.
9. A system for realizing data interaction based on Internet of vehicles is characterized by comprising:
the receiving module is used for receiving a vehicle networking data acquisition request of a request terminal;
the acquisition module is used for acquiring the characteristic data of the Internet of vehicles data acquisition request;
the network side resource allocation module is used for acquiring the characteristic data and the network side resources of the request according to the Internet of vehicles data and allocating a network side communication link and a communication port to the request terminal;
the data sending module is used for acquiring the Internet of vehicles data of the road section where the request terminal is located and sending the Internet of vehicles data to the request terminal through the distributed communication link and the distributed communication port;
the communication characteristic data acquisition module is used for acquiring communication characteristic data of a communication port;
the data processor is used for calculating the saturation of the communication port according to the communication characteristic data;
the communication port expansion module is used for comparing the saturation of the communication port with a preset first expansion threshold, if the saturation of the communication port is greater than the preset first expansion threshold, the communication port is expanded for the communication link, and otherwise, the communication port does not need to be expanded;
the method for allocating the network side communication link and the communication port to the request terminal comprises the following steps:
calculating an emergency degree value of the Internet of vehicles data acquisition request according to the characteristic data of the Internet of vehicles data acquisition request;
acquiring the grade of the emergency degree value of the request and network side resources according to the Internet of vehicles data, and allocating a communication link with a corresponding grade to the request terminal for communication;
according to a communication port corresponding to a preset communication link, communication between the request terminal and a network side is achieved;
the formula for calculating the emergency degree value J of the Internet of vehicles data acquisition request is as follows:
wherein J represents an emergency degree value of the Internet of vehicles data acquisition request; r1An influence factor representing the urgency value of the acquisition request at the request time; a represents an emergency factor input by a request terminal; r2An influence factor representing the type of the request terminal on the emergency degree value of the acquisition request; r3An influence factor representing the type of the request on the urgency value of the acquisition request; r4Representing the influence factor of the operation characteristic data of the request terminal on the emergency degree value of the acquisition request; r5Representing the influence factor of the road condition information data of the request terminal on the emergency degree value of the acquisition request; t is1Indicating the time at which the request was made; t is0Represents an initial time; ZL represents an urgency evaluation value of the type of the requesting terminal; QL represents an urgency evaluation value of the request type; h represents a parameter; h represents the total number of the operation characteristic data of the request terminal; ehRepresenting the influence weight of the operation characteristic data of the h-th request terminal; u shapehAn actual measurement value representing the operation characteristic data of the h-th request terminal; b ishA standard value representing operation characteristic data of the h-th request terminal; k represents the total number of the road condition warning information categories where the request terminal is located; k represents the kth traffic warning information category, GkA weight value representing the kth traffic warning information category; YLkIndicating the impact severity index of the kth road condition alarm information category; n is a radical ofkIndicating the number of occurrences of the kth traffic warning information category.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101605339A (en) * | 2009-07-22 | 2009-12-16 | 赛尔网络有限公司 | Monitoring of network bandwidth resources operating position and prompt system and method |
| CN106850860A (en) * | 2017-03-28 | 2017-06-13 | 上海无线通信研究中心 | Car networking information accelerates transmission method, vehicle termination and base station |
| CN109756547A (en) * | 2018-01-24 | 2019-05-14 | 启迪云控(北京)科技有限公司 | For the data processing method of car networking system, device and equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101605339A (en) * | 2009-07-22 | 2009-12-16 | 赛尔网络有限公司 | Monitoring of network bandwidth resources operating position and prompt system and method |
| CN106850860A (en) * | 2017-03-28 | 2017-06-13 | 上海无线通信研究中心 | Car networking information accelerates transmission method, vehicle termination and base station |
| CN109756547A (en) * | 2018-01-24 | 2019-05-14 | 启迪云控(北京)科技有限公司 | For the data processing method of car networking system, device and equipment |
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