CN105652290A - Riding information shared system based on Beidou navigation and communication network - Google Patents
Riding information shared system based on Beidou navigation and communication network Download PDFInfo
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- CN105652290A CN105652290A CN201610175983.1A CN201610175983A CN105652290A CN 105652290 A CN105652290 A CN 105652290A CN 201610175983 A CN201610175983 A CN 201610175983A CN 105652290 A CN105652290 A CN 105652290A
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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
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
-
- 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
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/37—Hardware or software details of the signal processing chain
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention relates to a riding information shared system based on Beidou navigation and a communication network. The riding information shared system comprises a foundation support, a circuit board, a stand column, an antenna and an accumulator; the foundation support is mounted outside a vehicle, the foundation support is internally provided with the circuit board, the upper portion of the foundation support is connected with one end of the stand column, and the other end of the stand column is connected with the antenna; the circuit board is electrically connected with the antenna through the stand column; the foundation support is further internally provided with the accumulator which does not stop continuous work when an external source is replaced. The riding information shared system is used for positioning the vehicle geographic position, and the geographic position is described with longitude and latitude; the CUP of the circuit board is internally provided with a method for searching for the nearest SIM card; meanwhile, the circuit board is internally provided with a communication module with the function similar to that of the SIM card, and vehicle geographic position information and passenger SIM card information are transmitted to a communication company background system. When a passenger goes out for taking a bus, designated relatives or emergency contact persons reserved in a communication company by the passenger can receive riding information of the passenger as long as the passenger carries a mobile phone in the riding process.
Description
Technical field
The present invention relates to a kind of transport information network field, particularly share system about a kind of riding information based on Beidou navigation and network of communication.
Background technology
China's Beidou satellite navigation system (BEIDOUNavigationSatelliteSystem, BDS) is the GPS that China develops voluntarily. It is the 3rd ripe satellite navigation system after american global positioning system (GPS), Russia's Ge Luonasi satellite navigation system (GLONASS). Beidou satellite navigation system (BDS) and GPS of America, Russian GLONASS, European Union GALILEO are the suppliers that the satellite-navigation council of United Nations has been assert. Beidou satellite navigation system is made up of space section, ground segment and user's section three part, round-the-clock, round-the-clock can provide high precision, highly reliable location, navigation, time service service for all types of user in the world, and there is communication capacity, tentatively possess area navigation, location and time service ability, positioning precision 10 meters, the precision that tests the speed 0.2 meter/second, time service precision 10 nanosecond, cover the Asian-Pacific area, by covering the whole world about the year two thousand twenty.
Complete triones navigation system comprises satellite group group, ground control system, BDS receiving apparatus, and wherein BDS receiving apparatus can capture by the satellite to be measured selected by certain satellite cutoff angle, and follows the tracks of the operation of these satellites. When after receiver acquisition to the satellite-signal followed the tracks of, so that it may measure the velocity of variation of the pseudo range of receiving antenna to satellite and distance, demodulate the data such as satellite orbit parameters. According to these data, the micro-process computer in receiving apparatus just can position calculating by positioning calculation method, calculate user geographic location longitude and latitude, highly, speed, the information such as time. In receiving apparatus hardware and machine, the poster processing soft bag of software and BDS data forms complete BDS user equipment. The structure of BDS receiving apparatus is divided into antenna unit and receives unit two portions. Receiving apparatus generally adopts in machine and the outer two kinds of direct supplys of machine. Arrange the object of power supply in machine to be not interrupt day-night observation when changing external power. With battery automatic charging in machine external power opportunity. After shutdown, in machine, battery is that RAM memory is powered, to prevent data are lost.
Current various types of receiving apparatus volume is more and more less, weight is more and more lighter, customer equipment part, and it is by the satellite-signal of accept sky different positions more than three, measure the position at receiving apparatus place, it is make use of the principle that a point determined by mathematically three lines in simple terms. Along with the fast development of Beidou navigation technology, airmanship is all applied on vehicle by present numerous vehicle administration or company, in conjunction with the map in the system of backstage, is followed the tracks of by vehicle and supervises, greatly improves the efficiency of management of vehicle.
Although trip mode is diversification further, more convenient by bus, but the problem run in activity by bus but still exists, such as taxi driver plunders, or passenger is carried out personal injury event emerge in an endless stream, rely on the restriction of ethics can not stop the evil intentions of people completely, it is necessary to rely on science and technology strength to ensure the smooth enforcement of the theory of running the country according to law. If passenger is while taking a bus, the relatives of passenger or programmed emergency can receive the riding information of passenger in time, comprising pick-up time, Entrucking Point, license plate number, vehicle responsible official's information, time getting off, place of getting off, under this kind of riding information shares condition, vehicle drivers can stop evil intentions completely, if making criminal offence, offender just can be arrested by public security organization in time according to passenger's riding information. Therefore, develop a kind of riding information based on Beidou navigation and network of communication and share system, utilize science and technology to limit the evil intentions of people, ensure the smooth enforcement run the country according to law, this is for promotion scientific technological advance, promotes that the harmonious progressive of society is significant.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of riding information based on Beidou navigation and network of communication and share system, this system can effectively ensure the personnel safety of passenger, enables the relatives of passenger or programmed emergency receive the riding information of passenger in time.
For achieving the above object, the present invention takes following technical scheme: a kind of riding information based on Beidou navigation and network of communication shares system, it is characterised in that: it comprises pedestal, circuit card, column, antenna and store battery; Described pedestal is arranged on outside vehicle, is provided with described circuit card in described pedestal, and described pedestal top is connected with described column one end, and the described column the other end is connected with described antenna; Described circuit card is connected with described antenna electric through described column; Described store battery for not interrupting non-stop run when changing external power is also installed in described pedestal.
Preferably, described circuit card comprises frequency-variable module, signalling channel and the module that communicates; The satellite signal transit extremely described frequency-variable module that described antenna will receive through prime amplifier, described frequency-variable module transfers to described communication module through described signalling channel after this satellite-signal is become frequency processing, and described communication module is by the extremely existing communication company of the satellite signal transit after process backstage system.
Preferably, described frequency-variable module comprises frequency transformer, reference frequency module and frequency synthesizing module; Described frequency transformer for receiving described antenna transmission satellite-signal extremely, and by the Signal transmissions after conversion frequency to described signalling channel; Outside power supply is connected with described reference frequency module input terminus, and described reference frequency module output terminal is connected with described frequency transformer through described frequency synthesizing module; Described frequency synthesizing module output terminal also connects described signalling channel.
Preferably, described signalling channel comprises the satellite-signal that signal despread-and-demodulation device, C/A code generator, P code generator, D (t) module, pseudo-code measurement module and carrier phase are measured signal despread-and-demodulation device described in module and transferred to for receiving described frequency-variable module, described C/A code generator, P code generator input terminus are connected with described frequency synthesizing module output terminal, and described C/A code generator, P code generator output terminal connect described signal despread-and-demodulation device; Described signal despread-and-demodulation device output terminal connects described D (t) module respectively, pseudo-code measures module and carrier phase measures module, described D (t) module for the data code received is carried out calculation process, and by the Signal transmissions after process to described communication module; Described pseudo-code measures the three-dimensional coordinate that module determines receiver antenna place point for trying to achieve, it is utilize carrier phase observation data or carrier phase difference observed value that described carrier phase measures module, through the basic lineal vector coordinate difference of baseline vector procession to obtain between two synchronous research stations; Described pseudo-code is measured module, with carrier phase measurement module, the signal after process is all transferred to the described module that communicates.
Preferably, described communication module comprises storer and CPU, the signal that described storer transfers to for storing described signalling channel, and described storer and described CPU carry out information interaction, described CPU by the signal that receives through communication network transmission to existing communication company backstage system.
Preferably, described antenna adopts teledish, is made up of stupalith.
Preferably, described column is open tube, and the circuit that described circuit is connected with described antenna electric is positioned at the hollow of described column; The screw thread for connecting described antenna and pedestal also it is respectively arranged with at described column two.
Preferably, described pedestal, column all adopt nylon plastic material to make, and described pedestal is fixed by screws in outside vehicle.
Preferably, the method searching for nearest SIM card in described circuit card is: taking passenger's longitude and passenger's latitude as variable, with (| passenger's longitude-receiving apparatus longitude |/360)2+ (| passenger's latitude-receiving apparatus latitude |/360)2For distance, be benchmark taking receiver location, search nearest passenger, and then find out nearest SIM card.
The present invention is owing to taking above technical scheme, and it has the following advantages:
(1) the present invention mainly comprises antenna, column, pedestal, circuit card, and arranges the method searching for nearest SIM card in circuit card CPU. When passenger gos out by bus, as long as passenger's carrying mobile phone is by bus, the appointment relatives that passenger retains in communication company or programmed emergency, will receive the pick-up time of passenger, Entrucking Point, license plate number, vehicle responsible official's information, time getting off, these information of place of getting off;
(2) full-automatic intelligent of the present invention, it is not necessary to human consumer does any enforcement action;
(3) the present invention is cooperated jointly by triones navigation system, communication company, vehicle administration, it is achieved Techno-sharing, information sharing, greatly promotes the scientific and technological level of society fast-developing;
(4) the present invention is conducive to public security officer to crack criminal offence fast according to passenger's riding information, it is achieved utilize the smooth enforcement that science and technology strength guarantee is ruled by law.
Therefore, the riding information of the present invention shares system, passenger retains relatives or programmed emergency cell-phone number in communication company in advance, when passenger gos out by bus, retain phone and can receive Entrucking Point, pick-up time, license plate number, vehicle responsible official's information, time getting off, get off these information of place, eliminate passenger relatives the worry of passenger to be missed, public security part also can obtain case evidence fast according to riding information and solve a case, eliminate the thought of vehicle driver's crime, science and technology strength is utilized to ensure the smooth enforcement run the country according to law, greatly promote social harmonious development.
Other features and advantages of the present invention will be set forth in the following description, or understand by implementing the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the present invention is arranged on automobile when tightening up state.
Structure front view when Fig. 2 is softened state of the present invention.
Fig. 3 is the disassembly diagram of the present invention when tightening up state.
Fig. 4 is the board structure of circuit schematic diagram of the present invention.
Fig. 5 is the overall applicability schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in FIG. 1 to 3, the present invention provides a kind of riding information based on Beidou navigation and network of communication to share system, and it comprises pedestal 1, circuit card 2, column 3, antenna 4 and store battery, and pedestal 1, circuit card 2, column 3 and antenna 4 form BDS receiving apparatus. Pedestal 1 is arranged on outside vehicle, is provided with circuit card 2 in pedestal 1, and pedestal 1 top is connected with column 3 one end, and column 3 the other end is connected with antenna 4. Wherein, circuit card 2 is electrically connected with antenna 4 through column 3. Also being provided with store battery in pedestal 1, for not interrupting non-stop run when changing external power, the store battery automatic charging when using external power, after shutdown, store battery is that the storer in circuit card 2 is powered, to prevent data are lost. During use, by BDS receiving apparatus positioned vehicle geographical position, geographical position longitude and latitude describes; Passenger needs carrying mobile phone when going out by bus, mobile phone is also provided with SIM card, circuit card 2 in BDS receiving apparatus can realize searching for nearest SIM card function, and vehicle geographical position information and passenger's SIM card information can be transferred to the existing company's backstage system that communicates.
In above-described embodiment, as shown in Figure 4, circuit card 2 comprises frequency-variable module, signalling channel and the module that communicates. Antenna 4 through prime amplifier by the satellite signal transit that receives to frequency-variable module, frequency-variable module transfers to communication module through signalling channel after this satellite-signal is become frequency processing, and communication module is by the extremely existing communication company of the satellite signal transit after process backstage system.
Wherein, frequency-variable module comprises frequency transformer, reference frequency module and frequency synthesizing module. Frequency transformer is used for the satellite-signal that receiving antenna 4 transfers to, and by the Signal transmissions after conversion frequency to signalling channel; Outside power supply is connected with reference frequency module input terminus, and reference frequency module output terminal is connected with frequency transformer through frequency synthesizing module. Frequency synthesizing module output terminal also connection signal passage.
Signalling channel comprises signal despread-and-demodulation device, C/A code generator, P code generator, D (t) module, pseudo-code measures module and carrier phase measures module. The satellite-signal that signal despread-and-demodulation device transfers to for receiving frequency transformer, satellite-signal comprises data code, ranging code and carrier wave signal; C/A code generator, P code generator input terminus are connected with frequency synthesizing module output terminal, C/A code generator, P code generator output terminal connection signal despread-and-demodulation device. Signal despread-and-demodulation device output terminal connects D (t) module respectively, pseudo-code measures module and carrier phase measures module, D (t) module for the data code received is carried out calculation process, and by process after Signal transmissions to the module that communicates. It is at a time measure the pseudorange obtaining more than four satellites and known satellite position by BDS receiving apparatus that pseudo-code measures module, adopts the method for distance intersection to seek the three-dimensional coordinate determining receiver antenna place point. Being surveyed pseudorange is exactly the measurement distance ranging code signal launched by satellite travel-time of arriving BDS receiving apparatus being multiplied by the light velocity and drawing. Due to the delay in Kennelly heaviside layer and troposphere of the error of satellite clock, receiving apparatus clock and tick, the actual distance measured and satellite have certain difference to the geometry distance of receiving apparatus, and therefore generally weighing the distance measured is pseudorange; The pseudorange carrying out with code measuring is a yard pseudorange. Meanwhile, pseudorange can solve again whole wave number uncertain problem (blur level) as carrier phase auxiliary data in measuring is surveyed. It is utilize BDS receiving apparatus to measure carrier phase observation data or carrier phase difference observed value that carrier phase measures module, through the basic lineal vector coordinate difference of baseline vector procession to obtain between two synchronous research stations. The phase place of benchmark signal produced epoch in a certain appointment by BDS receiving apparatus and the difference (also claiming instantaneous carrier phase differential) of the phase place of the satellite carrier signal now received, by this value by survey station, satellite, the observation indirect observation (claiming the difference observed value of carrier phase) that epoch, it was carried out difference processing and obtain by 3 key elements. By the number of times seeking difference, poor, two differences, three poor observed values can be divided into once. This two observed value comprises the range information of satellite to receiving apparatus, and it is together with the time variations defending distance, is the function of satellite and receiver location, therefore available its carries out receiving apparatus location and Satellite Orbit Determination. Pseudo-code is measured module, with carrier phase measurement module, the signal after process is all transferred to the module that communicates.
Communication module comprises storer and CPU, storer is for storing D (t) module, pseudo-code measurement module and carrier phase measurement module transfer signal extremely, and storer and CPU carry out information interaction, CPU by the signal that receives through communication network transmission to existing communication company backstage system. Wherein, the nearest SIM card function of search it is provided with in CPU.
In above-described embodiment, the nearest SIM card functional realiey method of search is as follows in the CPU of circuit card 2: taking passenger's longitude and passenger's latitude as variable, with (| passenger's longitude-receiving apparatus longitude |/360)2+ (| passenger's latitude-receiving apparatus latitude |/360)2For distance, be benchmark taking receiver location, search nearest passenger, and then find out nearest SIM card.
The nearest SIM chucking method inquiry velocity of search that the present invention adopts is 2 times of mysqI space data algorithm, its essence is trigonometrical function, square value adjusted the distance has been screened, after tested, 2.5 seconds are only needed at 1,000,000 extracting data 100 data, the present invention only requires and finds out nearest No. SIMI, so the present invention finally can directly find out closest range passenger. after searching out nearest SIMI coding, IMSI coding is sent to communication company backstage system by the communication module in BDS receiving apparatus, database in the system of backstage describes the corresponding relation of IMSI coding and cell-phone number, passenger need to handle this service in communication company in advance, the cell-phone number of relatives or programmed emergency has been retained in advance in communication company background data base, passenger's riding information that BDS receiving apparatus is collected by backstage system subsequently, comprise Entrucking Point, pick-up time, license plate number, vehicle responsible official's information, time getting off, get off these information of place, it is sent on the mobile phone of relatives or programmed emergency.
And, vehicle management company supervises registration of vehicle driving information at application triones navigation system, shifts to an earlier date typing license plate number and vehicle responsible official's information in the BDS receiving apparatus of vehicle. Therefore, the present invention shared based on Beidou navigation and the riding information of network of communication to communicate company system combined, vehicle administration cooperates enforcement.
In the various embodiments described above, pedestal 1, column 3 all adopt nylon plastic material to make, and pedestal 1 is fixed by screws in outside vehicle.
In the various embodiments described above, column 3 is open tube, and the circuit that circuit 2 is electrically connected with antenna 4 is positioned at the hollow of column 3. Also it is respectively arranged with screw thread at column 3 two, it is respectively used to connect antenna 4 and pedestal 1.
In the various embodiments described above, antenna 4 adopts teledish, belongs to the one of omnidirectional antenna, without velocity of wave angle, and the same omnidirectional antenna of usable condition. Antenna 4 adopts stupalith to make, it reads close together, reading distance and can reach 2 meters, tool thunder anti-interference, anti-, water proof and dust proof ability, the electromagnetic wave energy that the effect of ceramic antenna is the tick transmitted by satellite is transformed into the electric current that receiving apparatus electron device can absorb application.
In sum, as shown in Figure 5, the present invention is when applying, the extraterrestrial space part of triones navigation system is distributed with multi-satellite, the running orbit that staff is correct is weaved into star and is gone through, and injects each satellite respectively, and is sent to the BDS receiving apparatus of the present invention via satellite, the correct star receiving each satellite is gone through, so that it may know the accurate position of satellite. Triones navigation system device on every satellite has very accurate atomic clock, and often calibrates by monitoring station. Satellite sends navigation information, also sends precise time information simultaneously. BDS receiving apparatus receives this information, makes the clock synchronization with self, so that it may obtain the time accurately, and therefore, BDS receiving apparatus, except accurately locating, also can produce accurate time information.
Satellite sends pseudo-random code to ground BDS receiving apparatus, and transmission time and reception time difference are exactly the electromagnetic transmission time, are multiplied by electromagnetic transmission speed, so that it may know satellite and the distance of ground BDS receiving apparatus. Therefore BDS receiving apparatus in ground is in multiple spherical intersection point, and the spherical centre of sphere is the position of satellite, and the radius of a ball is satellite and the distance of ground BDS receiving apparatus, the longitude and latitude of intersection point and the longitude and latitude of BDS receiving apparatus.
BDS receiving apparatus is provided with the communication module of the similar SIM of function, passenger's mobile phone is also installed SIM card, generally a globally unique mark number is all deposited inside every SIM card, it is called IMSI, when SIM card is all when state of activation, when namely mobile phone power-on constantly reads SIM information, IMSI number will be issued network of communication, then network of communication can give each IMSI distributing IP, so now the SIM card in passenger's hand and the communication chip in BDS, is assigned with specific IP respectively.
The various embodiments described above are only for illustration of the present invention; the connection of each parts and structure all can change to some extent; on the basis of technical solution of the present invention; all improvement of the connection of indivedual parts and structure being carried out according to the principle of the invention and equivalents, all should not get rid of outside protection scope of the present invention.
Claims (9)
1. share system based on the riding information of Beidou navigation and network of communication for one kind, it is characterised in that: it comprises pedestal, circuit card, column, antenna and store battery; Described pedestal is arranged on outside vehicle, is provided with described circuit card in described pedestal, and described pedestal top is connected with described column one end, and the described column the other end is connected with described antenna; Described circuit card is connected with described antenna electric through described column; Described store battery for not interrupting non-stop run when changing external power is also installed in described pedestal.
2. as claimed in claim 1 based on the shared system of the riding information of Beidou navigation and network of communication, it is characterised in that: described circuit card comprises frequency-variable module, signalling channel and the module that communicates; The satellite signal transit extremely described frequency-variable module that described antenna will receive through prime amplifier, described frequency-variable module transfers to described communication module through described signalling channel after this satellite-signal is become frequency processing, and described communication module is by the extremely existing communication company of the satellite signal transit after process backstage system.
3. as claimed in claim 2 based on the shared system of the riding information of Beidou navigation and network of communication, it is characterised in that: described frequency-variable module comprises frequency transformer, reference frequency module and frequency synthesizing module; Described frequency transformer for receiving described antenna transmission satellite-signal extremely, and by the Signal transmissions after conversion frequency to described signalling channel; Outside power supply is connected with described reference frequency module input terminus, and described reference frequency module output terminal is connected with described frequency transformer through described frequency synthesizing module; Described frequency synthesizing module output terminal also connects described signalling channel.
4. as claimed in claim 2 based on the shared system of the riding information of Beidou navigation and network of communication, it is characterized in that: described signalling channel comprises the satellite-signal that signal despread-and-demodulation device, C/A code generator, P code generator, D (t) module, pseudo-code measurement module and carrier phase are measured signal despread-and-demodulation device described in module and transferred to for receiving described frequency-variable module, described C/A code generator, P code generator input terminus are connected with described frequency synthesizing module output terminal, and described C/A code generator, P code generator output terminal connect described signal despread-and-demodulation device; Described signal despread-and-demodulation device output terminal connects described D (t) module respectively, pseudo-code measures module and carrier phase measures module, described D (t) module for the data code received is carried out calculation process, and by the Signal transmissions after process to described communication module; Described pseudo-code measures the three-dimensional coordinate that module determines receiver antenna place point for trying to achieve, it is utilize carrier phase observation data or carrier phase difference observed value that described carrier phase measures module, through the basic lineal vector coordinate difference of baseline vector procession to obtain between two synchronous research stations; Described pseudo-code is measured module, with carrier phase measurement module, the signal after process is all transferred to the described module that communicates.
5. as claimed in claim 2 based on the shared system of the riding information of Beidou navigation and network of communication, it is characterized in that: described communication module comprises storer and CPU, the signal that described storer transfers to for storing described signalling channel, and described storer and described CPU carry out information interaction, described CPU by the signal that receives through communication network transmission to existing communication company backstage system.
6. as claimed in claim 1 based on the shared system of the riding information of Beidou navigation and network of communication, it is characterised in that: described antenna adopts teledish, is made up of stupalith.
7. as claimed in claim 1 based on the shared system of the riding information of Beidou navigation and network of communication, it is characterised in that: described column is open tube, and the circuit that described circuit is connected with described antenna electric is positioned at the hollow of described column; The screw thread for connecting described antenna and pedestal also it is respectively arranged with at described column two.
8. the riding information based on Beidou navigation and network of communication as described in claim 1 or 7 shares system, it is characterised in that: described pedestal, column all adopt nylon plastic material to make, and described pedestal is fixed by screws in outside vehicle.
9. the riding information based on Beidou navigation and network of communication as described in claim 1 or the arbitrary item of 2-5 shares system, it is characterized in that: the method searching for nearest SIM card in described circuit card is: taking passenger's longitude and passenger's latitude as variable, with (| passenger's longitude-receiving apparatus longitude |/360)2+ (| passenger's latitude-receiving apparatus latitude |/360)2For distance, be benchmark taking receiver location, search nearest passenger, and then find out nearest SIM card.
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| CN201610175983.1A CN105652290A (en) | 2016-03-27 | 2016-03-27 | Riding information shared system based on Beidou navigation and communication network |
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| CN106453570A (en) * | 2016-10-19 | 2017-02-22 | 北京速能数码网络技术有限公司 | Remote monitoring method and system of driving state, vehicle-mounted device and server |
| CN107246628A (en) * | 2017-06-12 | 2017-10-13 | 浙江焦点烟具有限公司 | Integrate the Rechargeable electronic igniter of GPS location function |
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| CN108519990A (en) * | 2018-02-28 | 2018-09-11 | 平潭诚信智创科技有限公司 | Data processing method and system based on shared bicycle GPS big datas |
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| CN110428589A (en) * | 2019-07-29 | 2019-11-08 | 精英数智科技股份有限公司 | Monitoring method, device, equipment and storage medium |
| CN111178562A (en) * | 2018-11-12 | 2020-05-19 | 北京嘀嘀无限科技发展有限公司 | Information processing method, device, equipment and computer readable storage medium |
| CN112581787A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Bus taking reminding system and method based on public transport |
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