CN107846659A - Car networking data transmission method, system, mobile terminal and storage medium - Google Patents
Car networking data transmission method, system, mobile terminal and storage medium Download PDFInfo
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- CN107846659A CN107846659A CN201711042972.7A CN201711042972A CN107846659A CN 107846659 A CN107846659 A CN 107846659A CN 201711042972 A CN201711042972 A CN 201711042972A CN 107846659 A CN107846659 A CN 107846659A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/28—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
- G01C21/30—Map- or contour-matching
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Abstract
The invention provides a kind of car networking data transmission method, system, mobile terminal and storage medium, methods described includes：The information of vehicles of car-mounted terminal memory storage is obtained, and controls car-mounted terminal to carry out corresponding informance with other car-mounted terminals in predetermined interval distance and shares；Road information is obtained, and road conditions map is drawn according to road information and information of vehicles；When receiving the navigation requests that any car-mounted terminal is sent, navigation requests are matched with road conditions map, to obtain navigation results, and navigation results are sent to corresponding car-mounted terminal, the present invention is designed by the acquisition of information of vehicles and road information, so that data calculate accurately, the burden of server is small, information transmission is timely, avoid due to data volume information transmission hysteresis caused greatly, and by drawing road conditions map based on information of vehicles and road information, so that the drafting degree of accuracy of road conditions map is high, so that the analyze data degree of accuracy provided the user is high, improve Consumer's Experience.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of car networking data transmission method, system, mobile terminal and
Storage medium.
Background technology
As the improvement of people's living standards, automobile has turned into the life necessary article of more and more families, due to vehicle
Increase, the degree of crowding of road also more and more higher, especially increase in early, middle and late peak period on and off duty, the current number of major trunk roads
It is more, cause vehicle flowrate to increase, cause heavy congestion, therefore car networking technology arises, car networking (Internet of
Vehicles be) the huge Internet by information structures such as vehicle location, speed and routes, car networking widely use so that
The trip of people is more and more convenient, but because car networking is technology emerging in recent years, its technical method is perfect not enough, also has
Many technologies are left to be desired, therefore the development of car networking technology is increasingly paid attention to by people.
In existing car networking data transmission procedure, the analysis to road information is inaccurate, causes road conditions map
Draw inaccurate so that the analyze data degree of accuracy provided the user is relatively low, and then reduces Consumer's Experience, and existing car joins
The vehicle data analysis result of its own only can be sent to user during network data transmission so that user can not be to its periphery
Information of vehicles in environment is understood.
The content of the invention
Based on this, the purpose of the embodiment of the present invention is to provide a kind of road conditions mapping degree of accuracy high car networking
Data transmission method, system, mobile terminal and storage medium.
In a first aspect, the invention provides a kind of car networking data transmission method, methods described includes：
The information of vehicles of car-mounted terminal memory storage is obtained, and controls other in the car-mounted terminal and predetermined interval distance
Car-mounted terminal carries out corresponding informance and shared；
Road information is obtained, and road conditions map is drawn according to the road information and the information of vehicles；
When receiving the navigation requests that any car-mounted terminal is sent, by the navigation requests and the road conditions
Map is matched, and to obtain navigation results, and the navigation results is sent to the corresponding car-mounted terminal.
Above-mentioned car networking data transmission method, designed by the acquisition of the information of vehicles and the road information so that
Data calculate, and accurate, time-consuming data that are short, calculating are few, server burden is small, information transmission is timely, effectively avoid due to
The phenomenon of data volume information transmission hysteresis caused greatly occurs, and by being drawn based on the information of vehicles and the road information
The road conditions map so that the drafting degree of accuracy of the road conditions map is high so that the analyze data provided the user
The degree of accuracy is high, improves Consumer's Experience.
Further, described the step of being matched the navigation requests with the road conditions map, includes：
The starting point and terminal in the navigation requests are obtained, and according to the starting point and the terminal in the road
The acquisition of navigation way is carried out on road conditions map；
The operating range of the different navigation ways is obtained respectively, according to the operating range to the corresponding navigation road
Line carries out ascending order arrangement, and stops ascending order arrangement when arrangement is to presetting digit capacity, to obtain apart from permutation table；
The running time of the navigation ways different in permutation table is calculated respectively, according to the running time pair
The corresponding navigation way carries out ascending order arrangement, to obtain Time alignment table；
Obtain respectively the same navigation way it is described in permutation table and the Time alignment table apart from sequence number
With time sequence number, and calculate it is described apart from sequence number and the sum of the time sequence number, to obtain final sequence number；
Ascending order arrangement is carried out to the corresponding navigation way according to the final sequence number, and rank results are shown
Show.
Further, it is described calculate the navigation ways different in permutation table respectively running time the step of
Including：
The jam level of the different navigation ways is obtained respectively, and congestion speed is calculated according to the jam level；
According to the congestion speed and the corresponding operating range, to calculate the running time.
Further, described the step of drawing road conditions map according to the road information and the information of vehicles, wraps
Include：
Road-map is drawn according to the road information；
The information of vehicles and the road information that the same time is got merge, to obtain traffic information；
The marking of cars is carried out on the road-map according to the traffic information, and to the road-map after mark
Duplicate removal processing and overlap-add procedure are carried out respectively, to obtain the road conditions map.
Further, the step of road-map after described pair of mark carries out duplicate removal processing and overlap-add procedure respectively is wrapped
Include：
Judge to whether there is the marking of cars described in identical on the road-map；
If so, then the marking of cars described in identical is deleted to one；
Further, after described the step of obtaining the road conditions map, methods described also includes：
The coordinate information of each car-mounted terminal is obtained respectively, and according to the coordinate information obtains respectively
The cartographic information in the range of predeterminable area is corresponded on road conditions map；
The cartographic information got is respectively sent to the corresponding car-mounted terminal.
Further, the step of car-mounted terminal in the control predetermined interval distance correspondingly carries out information sharing bag
Include：
The coordinate information of each car-mounted terminal is obtained respectively, and judges that difference is described vehicle-mounted according to the coordinate information
Whether the convoy spacing between terminal is less than the pre-determined distance；
If so, then the information of vehicles in the different car-mounted terminals of control carries out mutually information sharing.
Second aspect, the invention provides a kind of car networking data transmission system, including：
Information of vehicles acquisition module, obtains the information of vehicles of car-mounted terminal memory storage, and control the car-mounted terminal with it is pre-
Shared if other car-mounted terminals in spacing distance carry out corresponding informance；
Drafting module, Road is drawn for obtaining road information, and according to the road information and the information of vehicles
Condition map；
Navigation module, for when receiving the navigation requests that any car-mounted terminal is sent, by the navigation requests
Matched with the road conditions map, to obtain navigation results, and the navigation results are sent to the corresponding car
Mounted terminal.
Above-mentioned car networking data transmission system, by the information of vehicles acquisition module to the information of vehicles and the road
The acquisition design of road information so that data calculate, and accurate, time-consuming data that are short, calculating are few, server burden is small, information transmission
In time, effectively avoid because the phenomenon of data volume information transmission hysteresis caused greatly occurs, and pass through the drafting module
The drafting of the road conditions map is carried out based on the information of vehicles and the road information so that the road conditions map
The drafting degree of accuracy it is high so that the analyze data degree of accuracy provided the user is high, improves Consumer's Experience.
The third aspect, the invention provides a kind of mobile terminal, including memory and processor, the memory is used for
Computer program is stored, the processor runs the computer program so that the mobile terminal performs above-mentioned car networking number
According to transmission method.
Fourth aspect, the invention provides a kind of storage medium, the meter being stored thereon with used in above-mentioned mobile terminal
Calculation machine program.
Brief description of the drawings
Fig. 1 is the flow chart for the car networking data transmission method that first embodiment of the invention provides；
Fig. 2 is the flow chart for the car networking data transmission method that second embodiment of the invention provides；
Fig. 3 is the specific implementation step of step S41 in Fig. 2；
Fig. 4 is the flow chart for the car networking data transmission method that third embodiment of the invention provides；
Fig. 5 is the structural representation for the car networking data transmission system that fourth embodiment of the invention provides；
Embodiment
For the ease of more fully understanding the present invention, the present invention is carried out further below in conjunction with related embodiment accompanying drawing
Explain.Embodiments of the invention are given in accompanying drawing, but the present invention is not limited in above-mentioned preferred embodiment.Conversely, there is provided
The purpose of these embodiments be in order that disclosure of the invention face more fully.
Referring to Fig. 1, the flow chart of the car networking data transmission method provided for first embodiment of the invention, including step
S10 to S40.
Step S10, obtains the information of vehicles of car-mounted terminal memory storage, and controls the car-mounted terminal and predetermined interval distance
Other interior car-mounted terminals carry out corresponding informance and shared；
Wherein, the car-mounted terminal is electrically connected with by wireless network and server, and passes through GPS location, RFID identification
Technology, automobile black box, camera and searching system are obtained in real time to the information of vehicles of the car-mounted terminal memory storage
Take, while and control and corresponding between the car-mounted terminal in predetermined interval distance carry out information sharing, it is preferred that it is described
Predetermined interval distance is circumference 1km.
Specifically, automobile black box is connected by GPRS with road monitoring center, and taken the photograph in vehicle by road monitoring
During as head, by the information transmission recorded in automobile black box, it is stored in road monitoring center, while road monitoring center will receive
Information in the automobile black box of collection is resent to server, and server is according to the car plate of vehicle, car owner, vehicle model and car
Ownership province stored respectively, while control the car-mounted terminal and have an area of 1km within the car-mounted terminal between it is right
The GPS location information of vehicle, the essential information of vehicle, the running status of the contact method of car owner and vehicle are shared, and make
Obtain surrounding vehicles can give a hand in time when special circumstances occurs in vehicle, shorten the issue handling time.
Step S20, road information is obtained, and according to the road information and the information of vehicles with drawing road conditions
Figure；
Wherein, server is electrically connected with the car-mounted terminal and preventing road monitoring system respectively, and is collecting vehicle letter
After breath, the information that the information for multiple vehicles that the same time is collected is collected with preventing road monitoring system merges, to draw
Road conditions map is stated, and the complete road conditions map is stored in the server, while vehicle GPRS is positioned
Traffic information within the circumference 1km of position is sent to the information receiving end of vehicle, for grasp of the car owner to traffic information.
Step S30, when receiving the navigation requests that any car-mounted terminal is sent, by the navigation requests with it is described
Road conditions map is matched, to obtain navigation results；
Wherein, will be in the reason in server when car owner is inputting departure place and destination on the car-mounted terminal
The mark of the enterprising driving starting point of road conditions map and terminal, while road is screened according to the traffic information of storage, with
Obtain the navigation results.
Step S40, the navigation results are sent to the corresponding car-mounted terminal；
The present embodiment is designed by the acquisition of the information of vehicles and the road information so that accurate, consumption that data calculate
When it is short, calculate data it is few, server burden is small, information transmission is timely, effectively avoid because data volume is caused greatly
The phenomenon of information transmission hysteresis occurs, and by based on the information of vehicles and the road information with drawing the road conditions
Figure so that the drafting degree of accuracy of the road conditions map is high so that the analyze data degree of accuracy provided the user is high, improves
Consumer's Experience, by the way that the accurate information of vehicle is sent into server, while the information generated in server is sent back in time
Vehicle, and information sharing is carried out with surrounding vehicles, surrounding vehicles it can be given a hand in time when special circumstances occurs in vehicle,
Shorten the issue handling time.
Referring to Fig. 2, the flow chart of the car networking data transmission method provided for second embodiment of the invention, methods described
Including step S11 to S91.
Step S11, obtains the information of vehicles of car-mounted terminal memory storage, and controls the car-mounted terminal and predetermined interval distance
Other interior car-mounted terminals carry out corresponding informance and shared；
Wherein, the step of car-mounted terminal in the control predetermined interval distance correspondingly carries out information sharing includes：
The coordinate information of each car-mounted terminal is obtained respectively, and judges that difference is described vehicle-mounted according to the coordinate information
Whether the convoy spacing between terminal is less than the pre-determined distance；
If so, then the information of vehicles in the different car-mounted terminals of control carries out mutually information sharing.
Step S21, road information is obtained, and road-map is drawn according to the road information；
Wherein, main stem road is drawn by obtaining the data in preventing road monitoring system, and road is carried out to main road-map
Name label, obtain the road-map.
Step S31, the information of vehicles and the road information that the same time is got merge, to obtain road
Condition information；
Step S41, the marking of cars is carried out on the road-map according to the traffic information, and to described in after mark
Road-map carries out duplicate removal processing and overlap-add procedure respectively, to obtain the road conditions map；
Preferably, in the present embodiment, after described the step of obtaining the road conditions map, methods described also includes：
The coordinate information of each car-mounted terminal is obtained respectively, and according to the coordinate information obtains respectively
The cartographic information in the range of predeterminable area is corresponded on road conditions map；
The cartographic information got is respectively sent to the corresponding car-mounted terminal.
Referring to Fig. 3, be the flow chart of step S41 specific implementation steps in Fig. 2, including S411 to S413.
Step S411, judge to whether there is the marking of cars described in identical on the road-map；
Wherein, whether there is the coincidence of the marking of cars on the road-map on same coordinate point by contrasting, to sentence
It is fixed whether to have the marking of cars described in identical.
When the judged result of the step S411 is is, step S412 is performed.
Step S412, the marking of cars described in identical is deleted to one；
In the present embodiment, when determine multiple markings of cars be present in same coordinate points when, by the marking of cars
Quantity delete to one.
When the judged result of the step S411 is no, step S413 is performed.
Step S413, without the modification of the marking of cars.
Specifically, server is connected with vehicle and preventing road monitoring system respectively, and after information of vehicles has been collected, will be same
The information that the information for multiple vehicles that one time collected is collected with preventing road monitoring system merges, and in the road conditions
It is labeled in figure, the mark that the information that the information transmitted after mark to vehicle in map transmits with preventing road monitoring system mutually repeats
Duplicate removal processing is carried out, is only retained first, the traffic information of the same road segment of different vehicle transmission is overlapped into processing, and root again
Shown according to the difference of superposition number on the road conditions map, ultimately form the complete road conditions map,
And the information of the complete road conditions map is stored in server, while the position that vehicle GPRS is positioned is had an area of
Traffic information within 1km is sent to the information receiving end of vehicle, for grasp of the car owner to traffic information.
Step S51, when receiving the navigation requests that any car-mounted terminal is sent, obtain in the navigation requests
Starting point and terminal, and obtaining for navigation way is carried out on the road conditions map according to the starting point and the terminal
Take；
Step S61, the operating range of the different navigation ways is obtained respectively, according to the operating range to corresponding institute
State navigation way and carry out ascending order arrangement, and stop ascending order arrangement when arrangement is to presetting digit capacity, to obtain apart from permutation table；
Specifically, the length according to distance in all routes between the starting point on the road conditions map and terminal
Carry out, from long sequence is short to, after by distance-taxis to the 10th article of route, that is, stopping the screening of route distance.
Step S71, the running time of the navigation ways different in permutation table is calculated respectively, according to the row
The time is sailed to the corresponding navigation way progress ascending order arrangement, to obtain Time alignment table；
Wherein, 1-10, then the time of 10 to sorting out route demands are counted as respectively from length is short to 10 routes
Calculated, while the length of the result of calculating time as desired is ranked up.
Preferably, it is described calculate the navigation ways different in permutation table respectively running time the step of wrap
Include：
The jam level of the different navigation ways is obtained respectively, and congestion speed is calculated according to the jam level；
According to the congestion speed and the corresponding operating range, to calculate the running time.
Specifically, according to the traffic information on the road conditions map and the travel speed within demand vehicle 5min
Calculating is summed up, is worth based on the real-time speed of vehicle and congested conditions, is calculated as 0, it is big compared to basic value congested conditions
One grade then subtracts 1 in counting, and the small grade of congested conditions then adds 1 in counting, the like, by the numerical value after calculating
Compared with basic value, every more 1, then add 5km/h in the speed of basic value, calculate final velocity amplitude, and according to starting point
With the time needed for the distance of terminal and the estimated route of the velocity amplitude of calculating.
Step S81, the same navigation way is obtained respectively described in permutation table and the Time alignment table
Apart from sequence number and time sequence number, and calculate it is described apart from sequence number and the sum of the time sequence number, to obtain final sequence number；
Specifically, by the distance of 10 routes according to from closely to being far counted as 1-10 respectively, then by same route away from
The count value of discrete time is summed up, then the numerical value to 10 plus with after is ranked up from small to large, as described final sequence
Number.
Step S91, ascending order arrangement is carried out to the corresponding navigation way according to the final sequence number, and by rank results
It has been shown that, to obtain navigation results, and the navigation results are sent to the corresponding car-mounted terminal；
In the present embodiment, methods described also includes the processing of wireless network signal weak-strong test：
30s before the monitoring server will travel to the weak region of wireless network signal to vehicle, by existing road
Road conditions information when road traffic information, wireless signal change from weak to strong and the number of vehicles in wireless signal weak-strong test, car
Transport condition is combined, thus it is speculated that the road conditions in the weak region of wireless signal, and result is delivered to will enter it is wireless
In the vehicle of signal weak-strong test.
The present embodiment data calculate, and accurate, time-consuming data that are short, calculating are few, server burden is small, information transmission is timely,
The phenomenon due to data volume information transmission hysteresis caused greatly is effectively avoided to occur；Vehicle is using GPS location, RFID identification skill
Art, automobile black box, camera, searching system various ways are connected with server, and the accurate information of vehicle is sent into service
Device, while the information generated in server is sent back into vehicle in time, and information sharing is carried out with surrounding vehicles, can be in car
Surrounding vehicles give a hand in time when there are special circumstances, shorten the issue handling time；Server will be more after receive information
The information of individual vehicle transmission and the information of road monitoring central collection merge, duplicate removal and overlap-add procedure, reduce duplicate data
Interference to road conditions evaluation, ensure the accuracy of data；Consider the speed and road conditions of vehicle, use less data
Amount and the time is calculated, predict a plurality of from starting point to terminal compared with major path and time, supply car owner select optimum road
Line, car owner is facilitated smoothly to pass through；And before wireless network signal is weak, the traffic information of supposition is sent to corresponding vehicle, can
Effectively to solve vehicle into grasp during the weak region of wireless signal to traffic information, so that car owner makes correct roadway
Line.
Referring to Fig. 4, the flow chart of the car networking data transmission method provided for third embodiment of the invention, including step
S12 to step S42.
Step S12, the collection of information of vehicles；
Wherein, vehicle is connected by wireless network with master control system, passes through GPS location, RFID identification technology, automobile
The information of vehicle is sent to master control system by black box, camera and searching system in real time, while vehicle is with having an area of within 1km
A progress information sharing for car.
Automobile black box in the S12 steps is connected by GPRS with road monitoring center, and in vehicle through passageway
During the monitoring camera of road, by the information transmission recorded in vehicle automobile black box, it is stored in road monitoring center, while road
Information in the automobile black box of collection is resent in master control system by Surveillance center, and middle control system is according to the car of vehicle
Board, car owner, vehicle model and vehicle ownership province are stored respectively.
Preferably, the information sharing in the S12 steps includes the GPS location information, the essential information of vehicle, car of vehicle
Main contact method and the running status of vehicle.
Step S22, analysis of the master control system to information of vehicles；
Wherein, master control system is connected with vehicle and preventing road monitoring system respectively, and after information of vehicles has been collected, will
The information that the information for multiple vehicles that the same time collects is collected with preventing road monitoring system merges, and in main road conditions
It is labeled in figure, the mark that the information that the information transmitted after mark to vehicle in map transmits with preventing road monitoring system mutually repeats
Duplicate removal processing is carried out, is only retained first, the traffic information of the same road segment of different vehicle transmission is overlapped into processing, and root again
Shown according to the difference of superposition number on main road conditions map, ultimately form complete main road conditions map, and will
The information of complete main road conditions map is stored in master control system, while 1km is had an area of in the position that vehicle GPRS is positioned
Within traffic information send to the information receiving end of vehicle, for grasp of the car owner to traffic information.
Preferably, the display in the S22 steps on main road conditions map includes herein below：Road it is crowded etc.
The positioning of level, the position location of vehicle and the adjacent 5 closest cars of vehicle.
Step S32, the screening of road；
Wherein, when car owner inputs departure place and destination in searching system on vehicle, by main stem in master control system
Vehicle starting point and terminal in the road conditions map of road are labeled, while road is screened according to the traffic information of storage,
And the result of screening is transmitted back in the searching system of corresponding vehicle, selected for car owner.
Preferably, the specific method screened in the S3 steps is：First according to the starting point on main road conditions map
The length of distance is carried out from long sequence is short in all routes between terminal, when by distance-taxis to the 10th article of route
Afterwards, that is, stop the screening of route distance, and 1-10, then 10 to sorting out roads are counted as respectively from length is short to 10 routes
The time of line demand is calculated, while the length of the result of calculating time as desired is ranked up, and by 10 routes
Distance summed up according to from closely to being far counted as 1-10 respectively, then by the count value away from discrete time of same route,
The numerical value to 10 plus with after is ranked up from small to large again, the result as screened.
Preferably, the method for the time calculating is：According to the traffic information and demand car on main road conditions map
Travel speed within 5min sums up calculating, is worth based on the real-time speed of vehicle and congested conditions, is calculated as 0, phase
Than then subtracting 1 in counting in the big grade of basic value congested conditions, the small grade of congested conditions then adds 1 in counting, according to
It is secondary to analogize, the numerical value after calculating is compared with basic value, per more 1, then adds 5km/h in the speed of basic value, calculates final
Velocity amplitude, and time according to needed for the estimated route of the velocity amplitude of the distance and calculating of starting point and terminal.
Step S42, the processing of wireless network signal weak-strong test；
Wherein, master control system monitors that vehicle will travel to 30s before the weak region of wireless network signal, will be existing
The road conditions information of road conditions information, wireless signal when changing from weak to strong and the vehicle number in wireless signal weak-strong test
Mesh, vehicle running state are combined, thus it is speculated that the road conditions in the weak region of wireless signal, and result is delivered to and will entered
In the vehicle of wireless signal weak-strong test.
The car networking data transmission method that the present embodiment proposes, data calculate, and accurate, time-consuming data that are short, calculating are few, main
The burden of control system is small, information transmission is timely, effectively avoids due to the phenomenon hair of data volume information transmission hysteresis caused greatly
It is raw；Vehicle uses GPS location, RFID identification technology, automobile black box, camera, searching system various ways and main control system
System connection, is sent to master control system, while the information generated in master control system is transmitted in time by the accurate information of vehicle
Carriage return, and information sharing is carried out with surrounding vehicles, surrounding vehicles it can in time give and help when special circumstances occurs in vehicle
Help, shorten the issue handling time；Master control system is after receive information, information and road monitoring center that multiple vehicles are transmitted
The information of collection merges, duplicate removal and overlap-add procedure, reduces the interference that duplicate data is evaluated road conditions, ensures data
Accuracy；Consider the speed and road conditions of vehicle, using less data amount and calculate the time, predict from starting point to terminal
It is a plurality of compared with major path and the time, supply car owner selects optimum route, facilitates car owner smoothly to pass through；And in wireless network
Before network signal is weak, the traffic information of supposition is sent to corresponding vehicle, can effectively solve vehicle into the weak area of wireless signal
To the grasp of traffic information during domain, so that car owner makes correct traffic route.
Referring to Fig. 5, the structural representation of the car networking data transmission system 100 provided for fourth embodiment of the invention,
Including：.
Information of vehicles acquisition module 10, for obtaining the information of vehicles of car-mounted terminal memory storage, and control the vehicle-mounted end
Hold and shared with other car-mounted terminals progress corresponding informance in predetermined interval distance；
Drafting module 20, road is drawn for obtaining road information, and according to the road information and the information of vehicles
Road conditions map；
Navigation module 30, for when receiving the navigation requests that any car-mounted terminal is sent, the navigation to be asked
Ask and matched with the road conditions map, to obtain navigation results, and the navigation results are sent to corresponding described
Car-mounted terminal.
The navigation module 30 includes：
Route acquiring module 31, for obtaining starting point and terminal in the navigation requests, and according to the starting point
The acquisition of navigation way is carried out on the road conditions map with the terminal.
Distance-taxis module 32, for obtaining the operating range of the different navigation ways respectively, according to the traveling away from
From carrying out ascending order arrangement to the corresponding navigation way, and stop ascending order arrangement when arrangement is to presetting digit capacity, with obtain away from
From permutation table.
Time-sequencing module 33, during traveling for calculating the navigation ways different in permutation table respectively
Between, ascending order arrangement is carried out to the corresponding navigation way according to the running time, to obtain Time alignment table.
Integrated ordered module 34, for obtaining the same navigation way respectively described apart from permutation table and the time
In permutation table apart from sequence number and time sequence number, and calculate it is described apart from sequence number and the sum of the time sequence number, it is final to obtain
Sequence number, ascending order arrangement is carried out to the corresponding navigation way according to the final sequence number, and rank results are shown.
The time-sequencing module 33 includes：
First computing module 331, for obtaining the jam level of the different navigation ways respectively, and according to the congestion
Rating calculation congestion speed.
Second computing module 332, for according to the congestion speed and the corresponding operating range, to calculate the row
Sail the time.
The drafting module 20 includes：
First sub- drafting module 21, for drawing road-map according to the road information.
Information merging module 22, the information of vehicles and the road information for the same time to be got are closed
And to obtain traffic information.
Second sub- drafting module 23, for carrying out the marking of cars on the road-map according to the traffic information, and
Duplicate removal processing and overlap-add procedure are carried out respectively to the road-map after mark, to obtain the road conditions map.
The second sub- drafting module 23 includes：
First judge module 231, for judging to whether there is the marking of cars described in identical on the road-map, if
It is then to delete the marking of cars described in identical to one.
The information of vehicles acquisition module 10 includes：
Second judge module 11, for obtaining the coordinate information of each car-mounted terminal respectively, and according to the coordinate
Information judges whether the convoy spacing between the different car-mounted terminals is less than the pre-determined distance, if so, then controlling different institutes
The information of vehicles stated in car-mounted terminal carries out mutually information sharing.
The car networking data transmission system 100 also includes：
Region acquisition module 40, the coordinate information of each car-mounted terminal is obtained respectively, and according to the coordinate
Information obtains the cartographic information corresponded on the road conditions map in the range of predeterminable area respectively.
Sending module 50, for the cartographic information got to be respectively sent into the corresponding car-mounted terminal.
The present embodiment, pass through acquisition of the information of vehicles acquisition module 10 to the information of vehicles and the road information
Design so that data calculate, and accurate, time-consuming data that are short, calculating are few, server burden is small, information transmission is timely, effectively
Avoid because the phenomenon of data volume information transmission hysteresis caused greatly occurs, and the car is based on by the drafting module 20
Information and the road information carry out the drafting of the road conditions map so that the drafting of the road conditions map is accurate
Degree is high so that the analyze data degree of accuracy provided the user is high, improves Consumer's Experience.
The present embodiment additionally provides a kind of mobile terminal, including memory and processor, and the memory is used to store
Computer program, the processor runs the computer program so that the mobile terminal performs above-mentioned car networking data and passed
Transmission method.
The present embodiment additionally provides a kind of storage medium, the computer journey being stored thereon with used in above-mentioned mobile terminal
Sequence, the program upon execution, comprise the following steps：
The information of vehicles of car-mounted terminal memory storage is obtained, and controls the car-mounted terminal in predetermined interval distance correspondingly to enter
Row information is shared；
Road information is obtained, and road conditions map is drawn according to the road information and the information of vehicles；
When receiving the navigation requests that any car-mounted terminal is sent, by the navigation requests and the road conditions
Map is matched, and to obtain navigation results, and the navigation results is sent to the corresponding car-mounted terminal.Described deposits
Storage media, such as：ROM/RAM, magnetic disc, CD etc..
Above embodiment described the technical principle of the present invention, the description is merely to explain the principles of the invention, and
The limitation of the scope of the present invention can not be construed in any way.Based on explanation herein, those skilled in the art is not required to
Other embodiments of the present invention can be associated by paying performing creative labour, and these modes fall within the present invention's
In protection domain.
Claims (10)
1. a kind of car networking data transmission method, it is characterised in that methods described includes：
Obtain the information of vehicles of car-mounted terminal memory storage, and control the car-mounted terminal and predetermined interval in other are vehicle-mounted
Terminal carries out corresponding informance and shared；
Road information is obtained, and road conditions map is drawn according to the road information and the information of vehicles；
When receiving the navigation requests that any car-mounted terminal is sent, by the navigation requests and the road conditions map
Matched, to obtain navigation results, and the navigation results are sent to the corresponding car-mounted terminal.
2. car networking data transmission method according to claim 1, it is characterised in that described by the navigation requests and institute
Stating the step of road conditions map is matched includes：
The starting point and terminal in the navigation requests are obtained, and according to the starting point and the terminal in the road conditions
The acquisition of navigation way is carried out on map；
The operating range of the different navigation ways is obtained respectively, and the corresponding navigation way is entered according to the operating range
Row ascending order arranges, and stops ascending order arrangement when arrangement is to presetting digit capacity, to obtain apart from permutation table；
The running time of the navigation ways different in permutation table is calculated respectively, according to the running time to corresponding
The navigation way carry out ascending order arrangement, to obtain Time alignment table；
Obtain respectively the same navigation way it is described in permutation table and the Time alignment table apart from sequence number and when
Between sequence number, and calculate it is described apart from sequence number and the sum of the time sequence number, to obtain final sequence number；
Ascending order arrangement is carried out to the corresponding navigation way according to the final sequence number, and rank results are shown.
3. car networking data transmission method according to claim 2, it is characterised in that described to calculate the distance row respectively
Include in list the step of the running time of the different navigation ways：
The jam level of the different navigation ways is obtained respectively, and congestion speed is calculated according to the jam level；
According to the congestion speed and the corresponding operating range, to calculate the running time.
4. car networking data transmission method according to claim 1, it is characterised in that it is described according to the road information and
The step of information of vehicles drafting road conditions map, includes：
Road-map is drawn according to the road information；
The information of vehicles and the road information that the same time is got merge, to obtain traffic information；
The marking of cars is carried out on the road-map according to the traffic information, and the road-map after mark is distinguished
Duplicate removal processing and overlap-add procedure are carried out, to obtain the road conditions map.
5. car networking data transmission method according to claim 4, it is characterised in that the road after described pair of mark
Map carries out duplicate removal processing and included the step of overlap-add procedure respectively：
Judge to whether there is the marking of cars described in identical on the road-map；
If so, then the marking of cars described in identical is deleted to one.
6. car networking data transmission method according to claim 4, it is characterised in that it is described with obtaining the road conditions
After the step of figure, methods described also includes：
The coordinate information of each car-mounted terminal is obtained respectively, and the road is obtained according to the coordinate information respectively
The cartographic information in the range of predeterminable area is corresponded on road conditions map；
The cartographic information got is respectively sent to the corresponding car-mounted terminal.
7. car networking data transmission method according to claim 1, it is characterised in that in the control predetermined interval distance
Car-mounted terminal the step of correspondingly carrying out information sharing include：
The coordinate information of each car-mounted terminal is obtained respectively, and the different car-mounted terminals are judged according to the coordinate information
Between convoy spacing whether be less than the pre-determined distance；
If so, then the information of vehicles in the different car-mounted terminals of control carries out mutually information sharing.
A kind of 8. car networking data transmission system, it is characterised in that including：
Information of vehicles acquisition module, for obtaining the information of vehicles of car-mounted terminal memory storage, and control the car-mounted terminal with it is pre-
Shared if other car-mounted terminals in spacing distance carry out corresponding informance；
Drafting module, for obtaining road information, and according to the road information and the information of vehicles with drawing road conditions
Figure；
Navigation module, for when receiving the navigation requests that any car-mounted terminal is sent, by the navigation requests and institute
State road conditions map to be matched, to obtain navigation results, and the navigation results were sent to the corresponding vehicle-mounted end
End.
9. a kind of mobile terminal, it is characterised in that including memory and processor, the memory is used to store computer journey
Sequence, the processor runs the computer program so that the mobile terminal is performed according to any one of claim 1 to 7
Car networking data transmission method.
10. a kind of storage medium, it is characterised in that it is stored with the calculating used in the mobile terminal described in claim 9
Machine program.
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