CN106954184A - Method, cloud server and the mobile unit of vehicle-to-vehicle distance measurement - Google Patents
Method, cloud server and the mobile unit of vehicle-to-vehicle distance measurement Download PDFInfo
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- CN106954184A CN106954184A CN201710175403.3A CN201710175403A CN106954184A CN 106954184 A CN106954184 A CN 106954184A CN 201710175403 A CN201710175403 A CN 201710175403A CN 106954184 A CN106954184 A CN 106954184A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses method, cloud server and the mobile unit of a kind of vehicle-to-vehicle distance measurement, this method includes：Cloud server receives the positional information that the first vehicle is uploaded by base station；The distance between the first vehicle and other vehicles according to the positional information calculation；The distance between first vehicle and other vehicles information is sent to first vehicle by the base station, wherein the range information includes the distance between first vehicle and other described vehicles.Through the above way, the present invention, which can solve the problem that, need in the prior art the problem of onboard enter row distance calculating and shorter calculating distance.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of method of vehicle-to-vehicle distance measurement, cloud server
And mobile unit.
Background technology
Range measurement is needed in car networking system between car and car, in the prior art, the distance between measurement car and car one
As using radar, senior drive assist system (Advanced Driver Assistant System, abbreviation ADAS) image survey
Away from methods such as methods, wherein, radar range finding needs onboard to install radar additional, determined using radar return between car and car away from
From ADAS image telemetrys are that the distance between car and car are calculated by the image of intake, and both approaches need onboard
Enter the calculating of row distance, and short-range calculating can only be carried out.
The content of the invention
The present invention solves the technical problem of provide a kind of method of vehicle-to-vehicle distance measurement, cloud server
And mobile unit, can solve the problem that and need in the prior art the problem of onboard enter row distance calculating and shorter calculating distance.
In order to solve the above technical problems, one aspect of the present invention is：A kind of vehicle-to-vehicle distance is provided
The method of measurement, including：Cloud server receives the positional information that the first vehicle is uploaded by base station；According to positional information calculation
The distance between first vehicle and other vehicles；The distance between first vehicle and other vehicles information is sent to by base station
First vehicle, wherein range information include the distance between the first vehicle and other vehicles.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of cloud server is provided, wrapped
Include：The processor and telecommunication circuit of interconnection, wherein, telecommunication circuit is used to receive the position that the first vehicle is uploaded by base station
Information；Processor is used for according to the distance between the vehicle of positional information calculation first and other vehicles；Telecommunication circuit is further used
In the distance between the first vehicle and other vehicles information is sent into the first vehicle by base station, wherein range information includes the
The distance between one vehicle and other vehicles.
In order to solve the above technical problems, another technical scheme that the present invention is used is：A kind of mobile unit is provided, wrapped
Include：GPS location instrument, the positional information for receiving the first vehicle；Radio communication circuit, connects GPS location instrument, for passing through base
Stand and send positional information to cloud server, and receive the first vehicle and other vehicles that cloud server sent by base station it
Between range information, wherein range information includes the distance between the first vehicle and other vehicles；Processor, it is fixed with GPS respectively
Position instrument and radio communication circuit connection, for judging whether the distance between the first vehicle and other vehicles meet preparatory condition,
And the distance between the first vehicle and other vehicles is when meeting preparatory condition, prompt message is sent.
The beneficial effects of the invention are as follows：The situation of prior art is different from, embodiments of the invention utilize cloud server
Receive the positional information that the first vehicle is uploaded by base station, according between the vehicle of positional information calculation first and other vehicles away from
From, and the distance between the first vehicle and other vehicles information is sent to the first vehicle by base station, so that the first car
Only need to upload the positional information of itself and receive and other vehicles range information, it is not necessary to carry out extra calculating, subtract
The amount of calculation of few mobile unit, reduces cost, and cloud server can be obtained with the first vehicle distances farther out by base station
The distance between other vehicles.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the method first embodiment of vehicle-to-vehicle distance measurement of the present invention；
Fig. 2 is the schematic flow sheet of the method second embodiment of vehicle-to-vehicle distance measurement of the present invention；
Fig. 3 is the structural representation of the embodiment of cloud server one of the present invention；
Fig. 4 is the structural representation of the embodiment of mobile unit one of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is the flow signal of the method first embodiment of vehicle-to-vehicle distance measurement of the present invention
Figure.As shown in figure 1, the method for vehicle-to-vehicle distance measurement of the present invention includes：
Step S11：Cloud server receives the positional information that the first vehicle is uploaded by base station；
Specifically, cloud server at least with a base station communication, the first vehicle is provided with mobile unit, vehicle-mounted by this
Equipment can obtain the positional information of itself, and positional information is uploaded into cloud server by base station.
In an application examples, the mobile unit that the first vehicle is installed includes GPS location instrument and radio communication circuit, its
In, GPS location instrument is used for and base station communication for the first vehicle of acquisition positional information of itself, radio communication circuit.Certainly, exist
In other application example, the mobile unit that the first vehicle is installed, which can also regard user's request, includes other devices, does not do specific herein
Limitation.
Further, before step S11, including：
Step S10：Cloud server obtains the positional information with all vehicles of base station communication and preservation, all vehicle bags
Include the first vehicle and other vehicles.
Specifically, in an application examples, the mobile unit of all vehicles passes through 5G or 4G cordless communication networks and base
Stand communication, cloud server obtains positional information and the preservation of all vehicles by multiple base stations, wherein, all vehicles include the
Other vehicles of all and each base station communication in the range of one vehicle and multiple base station communications, and all vehicles of real-time update
Positional information so that ensure follow-up location calculate accuracy, and can pass through different base station obtain the vehicle of distance first
The positional information of other vehicles farther out, reduces the distance communicated between car and car and limits and apart from the limitation of calculating.Certainly,
In other application example, other vehicles can also be a certain/some particular vehicle, cloud server can also only with it is a certain/certain
A little certain base station communications, the first vehicle can also also may be used with other vehicles with same base station communication, the mobile unit of all vehicles
By other cordless communication networks such as 3G and base station communication, to be not specifically limited herein.
Step S12：According to the distance between the vehicle of positional information calculation first and other vehicles；
Specifically, in above-mentioned application examples, cloud server obtains the first vehicle and other vehicles by multiple base stations
After positional information, the positional information between the first vehicle and other vehicles is subjected to calculation process between any two respectively, with respectively
Obtain the first vehicle and the distance of other vehicles between any two.
For example, cloud server obtains the first vehicle and the positional information of other vehicles, i.e., after position coordinates, by the first car
And the position coordinateses of other vehicles subtracted each other two-by-two respectively, i.e. vector subtraction computing, thus obtain respectively the first vehicle and
The distance vector of other vehicles between any two, including apart from absolute value and deflection.Certainly, in other application example, the first car
And other vehicles distance between any two calculate and can also use other method, be not specifically limited herein.
Step S13：The distance between first vehicle and other vehicles information is sent to the first vehicle by base station, wherein
Range information includes the distance between the first vehicle and other vehicles.
Specifically, cloud server is calculated after the distance between the first vehicle and other vehicles, generates range information, should
Range information at least includes the distance between the first vehicle and other vehicles vector, and the range information is sent to by base station
First vehicle, make it that the first vehicle is parsed from the range information with other vehicles, consequently facilitating carrying out
Other operations.Certainly, other application example in, cloud server the range information can also be broadcast to the first vehicle and
Other vehicles, are not specifically limited herein.
In present embodiment, cloud server receives the positional information that the first vehicle is uploaded by base station, is believed according to position
Breath calculates the distance between the first vehicle and other vehicles, and the distance between the first vehicle and other vehicles information is passed through into base
Station is sent to the first vehicle so that the first vehicle only need to upload itself positional information and receive and other vehicles away from
From information, it is not necessary to carry out extra calculating, the amount of calculation of mobile unit is reduced, cost is reduced, and cloud server passes through
Base station can obtain the distance between other vehicles with the first vehicle distances farther out.
In other embodiments, the first vehicle can also obtain the range information with a certain particular vehicle by base station.
Specifically referring to Fig. 2, the flow that Fig. 2 is the method second embodiment of vehicle-to-vehicle distance measurement of the present invention is shown
It is intended to, present embodiment is on the basis of the method first embodiment that vehicle-to-vehicle distance of the present invention is measured, further
Including：
Step S21：Cloud server receives the ranging request information that the first vehicle is uploaded by first base station, wherein, survey
At least include the identity information of the second vehicle away from solicited message；
Specifically, each vehicle has unique identity information, and the IP address of such as mobile unit, cloud server is received
The positional information of each vehicle, can parse the identity information and position coordinates of the vehicle from the positional information.At one
In application examples, cloud server receives positional information and the ranging request information that the first vehicle is uploaded by first base station, the survey
At least include the identity information of the second vehicle away from solicited message, cloud server parses the first vehicle from the positional information
Identity information and position coordinates, parse the identity information of second vehicle from the ranging request information.
Step S22：According to the identity information of the second vehicle, the positional information of the second vehicle is obtained by the second base station；
In above-mentioned application examples, cloud server is looked for according to the identity information of the second vehicle in the base station communicated with
To the second base station with the second vehicle communication, the positional information of the second vehicle is obtained by the second base station, from the positional information
Parse the position coordinates of the second vehicle.
Step S23：According to the positional information of the first vehicle and the positional information of the second vehicle, the first vehicle and second is calculated
The distance between vehicle；
For example, cloud server is parsed respectively according to the positional information of the first vehicle and the positional information of the second vehicle
The position coordinates P1 (x1, y1, z1) of the first vehicle and position coordinates P2 (x2, y2, z2) of the second vehicle, by position coordinates P1 and
P2 carries out vector subtraction computing, you can to obtain the distance between the first vehicle and the second vehicle vector, the distance vector includes
The distance between first vehicle and the second vehicle absolute value and deflection.Certainly, in other embodiments, the first vehicle and
The distance between two vehicles can also use other computational methods, be not specifically limited herein.
Step S24：The distance between first vehicle and the second vehicle information are sent to the first vehicle by first base station,
Wherein the range information includes the distance between the first vehicle and the second vehicle.
Specifically, cloud server believes the distance between the first vehicle calculated and second vehicle vector generation distance
Breath, the first vehicle is sent to by first base station, make it that the first vehicle is parsed with the second vehicle, so that just
Other operations are carried out in the first vehicle.Certainly, in other embodiments, cloud server can also be by logical with the first vehicle
Other base stations of letter, are sent to the first vehicle by the range information, are not specifically limited herein.
Further, after step S24, including：
Step S241：The distance between first vehicle and the second vehicle information are sent to the second car by the second base station
.
Specifically, after cloud server generation the distance between the first vehicle and the second vehicle information, by the range information
Second vehicle is sent to by the second base station, make it that the second vehicle is parsed with the first vehicle, consequently facilitating
Second vehicle carries out other operations；Wherein the second base station is the base station with the second vehicle communication.Certainly, in other embodiment
In, the second vehicle and the first vehicle can also can also be incited somebody to action with same base station communication, i.e. cloud server by first base station
The range information is sent to the second vehicle.
The execution of the step of present embodiment is that after step s 11, present embodiment can be between car of the present invention and car
The method first embodiment of range measurement is combined.
Referring to Fig. 3, Fig. 3 is the structural representation of the embodiment of cloud server one of the present invention.As shown in figure 3, this hair
Bright cloud server 30 includes：The processor 301 and telecommunication circuit 302 of interconnection.
Telecommunication circuit 301, for receiving the positional information that the first vehicle A is uploaded by base station BT；
Processor 302, for according to the distance between positional information calculation the first vehicle A and other vehicles N；
Wherein, telecommunication circuit 301 is further used for the distance between the first vehicle A and other vehicles N information passing through base
The BT that stands is sent to the first vehicle A, and wherein range information includes the distance between the first vehicle A and other vehicles N.
Specifically, in an application examples, the first vehicle A and other vehicles N are led to by 5G or 4G networks and base station BT
Letter, cloud server 30 receives the first vehicle A by telecommunication circuit 301 and uploads to obtain positional information by base station BT, position letter
Breath at least includes the first vehicle A position coordinates；Processor 302 is obtained and cloud service by the first vehicle A position coordinates
The every other vehicle N for all base station BT that device 30 communicates positional information, wherein, every other vehicle N positional information can
To be obtained in advance and real-time update by telecommunication circuit 301, or pass through the acquisition in real time of telecommunication circuit 301；
Processor 302 carries out the position coordinates of first vehicle A position coordinates and other vehicles N vectorial two-by-two respectively
Subtraction, and then obtain the first vehicle A and the distance vectors of other vehicles N between any two respectively, the distance vector includes the
One vehicle A and other vehicles N between any two apart from absolute value and deflection；Finally, processor 302 generates the distance vector
The range information is sent to the first vehicle A by range information, telecommunication circuit 301 by base station, in order to the first vehicle A obtain with
The distance between other vehicles N.
Certainly, in other embodiments, other vehicles N can be a certain/some particular vehicle, the first vehicle A and its
His vehicle N other wireless networks can also be communicated by 3G etc. with base station BT, cloud server 30 can also only with a base station
BT is communicated, and the distance between the first vehicle A and other vehicles N can also use other computational methods, does not do specific herein
Limit.
Fig. 3 is further regarded to, in another application examples, telecommunication circuit 301 is used for the first vehicle A of reception and passes through the first base
The ranging request information that the BT1 that stands is uploaded, wherein, ranging request information at least includes the second vehicle B identity information；Telecommunication circuit
301 according to the second vehicle B identity information, passes through the positional information that the second base station BT2 obtains the second vehicle B；
Specifically, each vehicle is respectively provided with unique identity information, will when can be by sending positional information to base station BT
The identity information is arranged in the positional information, and telecommunication circuit 301 receives the position that the first vehicle A is uploaded by first base station BT1
Confidence ceases and ranging request information, the first vehicle A identity information and position coordinates is parsed from the positional information, so as to survey
Away from the identity information and distance measurement request that the second vehicle B is parsed in solicited message.Certainly, in other application example, vehicle also may be used
To upload its identity information to cloud server by other means, it is not specifically limited herein.
Processor 302 is used for positional information and the second vehicle B positional information according to the first vehicle A, calculates the first car
The distance between A and the second vehicle B；
Specifically, processor 302 is received after the distance measurement request and the second vehicle B identity information, passes through telecommunication circuit
301 obtain after the second vehicle B positional information, the position coordinates P2 (x2, y2, z2) for parsing the second vehicle B in real time, with parsing
The the first vehicle A gone out position coordinates P1 (x1, y1, z1) is carried out after vector subtraction computing, you can obtain the first vehicle A and second
The distance between vehicle B vector, i.e. the distance between the first vehicle A and the second vehicle B absolute value and deflection.Certainly, at it
In his embodiment, the position that processor 302 can also obtain the second vehicle B pre-saved by memory (not shown) is believed
Breath, processor 302 can also calculate the distance between the first vehicle A and the second vehicle B by other method, not do specific herein
Limit.
Wherein, telecommunication circuit 301 is further used for the distance between the first vehicle A and the second vehicle B information by
One base station BT1 is sent to the first vehicle A, and wherein range information includes the distance between the first vehicle A and the second vehicle B.
Further, telecommunication circuit 301 can be also used for leading to the distance between the first vehicle A and the second vehicle B information
Cross the second base station BT2 and be sent to the second vehicle B.
Specifically, processor 302 calculate the distance between the first vehicle A and the second vehicle B vector after, by the distance to
Amount generation range information, the range information is sent to the first vehicle A by telecommunication circuit 301 by first base station BT1, also by the
The range information is sent to the second vehicle B by two base station BT2, make it that the first vehicle A and the second vehicle B is obtained between the two
Distance, is easy to it to carry out other operations.Certainly, in other embodiments, the first vehicle A and the second vehicle B can also with it is same
One base station communication, is not specifically limited herein.
In present embodiment, cloud server receives the positional information that the first vehicle is uploaded by base station, is believed according to position
Breath calculates the distance between the first vehicle and other vehicles, and the distance between the first vehicle and other vehicles information is passed through into base
Station is sent to the first vehicle so that the first vehicle only need to upload itself positional information and receive and other vehicles away from
From information, it is not necessary to carry out extra calculating, the amount of calculation of mobile unit is reduced, cost is reduced, and cloud server passes through
Base station can obtain the distance between other vehicles with the first vehicle distances farther out.
Referring to Fig. 4, Fig. 4 is the structural representation of the embodiment of mobile unit one of the present invention.As shown in figure 4, of the invention
Mobile unit 40 includes：
GPS location instrument 401, the positional information for receiving the first vehicle；
Wherein, the first vehicle can obtain itself real-time positional information by the GPS location instrument 401, and such as position is sat
Mark.Certainly, in other embodiments, the GPS location instrument can also be big-dipper satellite position indicator, be not specifically limited herein.
Radio communication circuit 402, connection GPS location instrument 401 is believed for sending position to cloud server by base station
Breath, and the distance between the first vehicle that cloud server sent by base station and other vehicles information is received, wherein distance letter
Breath includes the distance between the first vehicle and other vehicles；
Specifically, the connection of radio communication circuit 402 GPS location instrument 401, can obtain the first vehicle real time position of itself
Information, by the wireless networks such as 5G or 4G can with base station communication, and then by base station to cloud server send the first vehicle
Positional information, the distance between the first vehicle that cloud server sent by base station and other vehicles letter can also be received
Breath, the range information includes the distance between the first vehicle and other vehicles.Certainly, in other embodiments, the first vehicle
It can also be communicated, with sharing information, be not specifically limited herein with other vehicles by radio communication circuit 402.
Processor 403, is connected with GPS location instrument 401 and radio communication circuit 402 respectively, for judge the first vehicle with
Whether the distance between other vehicles meet preparatory condition, and the distance between the first vehicle and other vehicles meets default bar
During part, prompt message is sent.
Wherein, the preparatory condition is the distance range or distance threshold that the first vehicle is pre-set, and the preparatory condition can be with
Have multiple, one prompt message of each preparatory condition correspondence.
For example, processor 403 is obtained after the distance between the first vehicle and other vehicles, the first vehicle and other cars are judged
The distance between whether be less than 10 meters, if being less than, send prompting deceleration/acceleration information so that car owner carry out can shift to an earlier date
Associative operation is carried out, and then to keep safe distance (such as 50 meters) between the first vehicle and other vehicles, improves and drives peace
Full property and convenient degree.
Certainly, in other embodiments, mobile unit can also regard actual demand include memory, display etc. other
Part, is not specifically limited herein.
In present embodiment, mobile unit is passed through using GPS location instrument the first vehicle of real-time acquisition positional information of itself
Radio communication circuit uploads the positional information to cloud server, and receives the first vehicle and other cars of cloud server transmission
The distance between, then judge whether the distance meets preparatory condition by processor, and when meeting preparatory condition, transmission is carried
Show information, make it that car owner carries out associative operation, improve drive safety and convenient degree, and mobile unit need not enter line-spacing
From calculating, reduce mobile unit amount of calculation, reduce cost.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of method of vehicle-to-vehicle distance measurement, it is characterised in that including：
Cloud server receives the positional information that the first vehicle is uploaded by base station；
The distance between the first vehicle and other vehicles according to the positional information calculation；
The distance between first vehicle and other vehicles information is sent to first vehicle by the base station,
Wherein described range information includes the distance between first vehicle and other described vehicles.
2. according to the method described in claim 1, it is characterised in that
The positional information that the first vehicle of the cloud server reception is uploaded by base station further comprises：
Cloud server receives the ranging request information that first vehicle is uploaded by first base station, wherein, the ranging please
Seeking information at least includes the identity information of the second vehicle；
According to the identity information of second vehicle, the positional information of second vehicle is obtained by the second base station；
The distance between first vehicle according to the positional information calculation and other vehicles are specifically included：
According to the positional information of first vehicle and the positional information of second vehicle, first vehicle is calculated and described
The distance between second vehicle；
It is described that the distance between first vehicle and other vehicles information is sent to first vehicle by base station
Including：
The distance between first vehicle and second vehicle information are sent to described first by the first base station
Vehicle, wherein the range information includes the distance between first vehicle and second vehicle.
3. method according to claim 2, it is characterised in that described by between first vehicle and second vehicle
Distance be sent to by base station after first vehicle, further comprise：
The distance between first vehicle and second vehicle information are sent to described second by second base station
Vehicle.
4. according to the method described in claim 1, it is characterised in that the cloud server receives the first vehicle and passed through on base station
Before the positional information of biography, further comprise：
Cloud server obtains the positional information with all vehicles of the base station communication and preservation, and all vehicles include institute
State the first vehicle and other described vehicles.
5. method according to claim 4, it is characterised in that all vehicles pass through 5G or 4G cordless communication networks
With the base station communication.
6. a kind of cloud server, it is characterised in that including：The processor and telecommunication circuit of interconnection, wherein,
The telecommunication circuit, for receiving the positional information that the first vehicle is uploaded by base station；
The processor, for the distance between the first vehicle according to the positional information calculation and other vehicles；
The telecommunication circuit is further used for passing through the distance between first vehicle and other vehicles information described
Base station is sent to first vehicle, wherein the range information include between first vehicle and other described vehicles away from
From.
7. cloud server according to claim 6, it is characterised in that
The telecommunication circuit is used to receive the ranging request information that first vehicle is uploaded by first base station, wherein, it is described
Ranging request information at least includes the identity information of the second vehicle；According to the identity information of second vehicle, pass through the second base
Stand and obtain the positional information of second vehicle；
The processor is calculated specifically for the positional information according to first vehicle and the positional information of second vehicle
The distance between first vehicle and second vehicle；
The telecommunication circuit is further used for passing through the distance between first vehicle and second vehicle information described
First base station is sent to first vehicle, wherein the range information is included between first vehicle and second vehicle
Distance.
8. cloud server according to claim 7, it is characterised in that
The telecommunication circuit is further used for passing through the distance between first vehicle and second vehicle information described
Second base station is sent to second vehicle.
9. cloud server according to claim 6, it is characterised in that the telecommunication circuit is used to obtain and the base station
The positional information of all vehicles of communication and preservation, all vehicles include first vehicle and other described vehicles.
10. a kind of mobile unit, it is characterised in that including：
GPS location instrument, the positional information for receiving the first vehicle；
Radio communication circuit, connects the GPS location instrument, for sending the positional information to cloud server by base station,
And the distance between first vehicle that the cloud server sent by the base station and other vehicles information is received, its
Described in range information include the distance between first vehicle and other described vehicles；
Processor, is connected with the GPS location instrument and the radio communication circuit respectively, for judging first vehicle and institute
State whether the distance between other vehicles meet preparatory condition, and the distance between first vehicle and other described vehicles
When meeting the preparatory condition, prompt message is sent.
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| CN201710175403.3A CN106954184A (en) | 2017-03-22 | 2017-03-22 | Method, cloud server and the mobile unit of vehicle-to-vehicle distance measurement |
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| CN111436025A (en) * | 2019-01-15 | 2020-07-21 | 财团法人工业技术研究院 | Driving information issuing method and system |
| CN111845405A (en) * | 2020-06-30 | 2020-10-30 | 南京工程学院 | Control method of mobile charging pile and mobile charging system |
| CN112136062A (en) * | 2019-08-30 | 2020-12-25 | 深圳市大疆创新科技有限公司 | Method, system and related equipment for positioning movable object |
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