CN109121113A - A kind of vehicle information acquisition system based on LoRa technology - Google Patents
A kind of vehicle information acquisition system based on LoRa technology Download PDFInfo
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- CN109121113A CN109121113A CN201810855269.6A CN201810855269A CN109121113A CN 109121113 A CN109121113 A CN 109121113A CN 201810855269 A CN201810855269 A CN 201810855269A CN 109121113 A CN109121113 A CN 109121113A
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- vehicle
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- information
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- network server
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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
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- 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
-
- 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
- H04W4/025—Services making use of location information using location based information parameters
-
- 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
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a kind of vehicle information acquisition systems based on LoRa technology, comprising: terminal sends the travel condition of vehicle information for acquiring the running state information of vehicle, and to the base station LoRa；The base station LoRa receives and forwards the travel condition of vehicle information to network server；And application server, for calling travel condition of vehicle information to check for user from the network server.The invention has the benefit that substantially reducing the power consumption of Internet of things system and the input cost of user by with the radio access node in LoRa network struction Internet of Things, there is good promotion prospect.
Description
Technical field
The invention belongs to fields of communication technology, and in particular to a kind of vehicle information acquisition system based on LoRa technology.
Background technique
With the development of economy and society, most people selects online shopping instead of doing shopping under line, and online shopping is to people's lives
Bring many conveniences.With the rapid development of online shopping industry, material flow industry also flourishes, and logistics company is to logistics vehicles
Management more becomes a great problem.The route that logistics vehicles are grasped for logistics company understand that at the time of necessity
Vehicle real time position is very important.
The network that the application of existing Internet of Things is largely all based on telecom operators carries out, but due to power consumption and cost etc.
The problem of aspect, although telecom operators have construction and manage the advantage most outstanding of such a large scale network,
It needs remote, large capacity a system to consolidate the market by the subdivision of battery powered wireless terminal, and not only limits to
It further include wireless sensor network, smart grid acquisition, smart home, security device etc. in the management of vehicle, so existing
The technologies such as the GSM based on operator are being used only less than 30% in the radio node of some Internet of Things, and this number can also
It is further to reduce.Only use a kind of wider technology that the quantity of radio node could be made to reach due scale, and
The existing network that these radio nodes uniquely rely on operator cannot be achieved.And existing other networking modes such as ZigBee
The signal of network penetrates weak with the ability of diffraction, and WiFi transmission range is short.
Can it be those skilled in the art's urgent need to resolve that a kind of more advanced information of vehicles acquisition modes therefore be provided
Problem.
Summary of the invention
In order to solve the problems, such as that vehicle information acquisition system power consumption of the existing technology is big, at high cost, the present invention is provided
A kind of vehicle information acquisition system based on LoRa technology, with the features such as low in energy consumption, propagation distance is remote.
The object of the present invention is to provide one kind, low energy consumption, the lower Information Acquisition System of input cost.
A kind of vehicle information acquisition system based on LoRa technology of specific embodiment according to the present invention comprising:
Terminal sends the travel condition of vehicle information for acquiring the running state information of vehicle, and to the base station LoRa；
The base station LoRa receives and forwards the travel condition of vehicle information to network server, between the base station LoRa
X2 interface based on the base station common carrier 4G is communicated, and the core of common carrier 4G network is arranged in the network server
At heart net, the S1 interface based on common carrier 4G network between the network server and the base station LoRa is communicated；
And
Application server, for calling travel condition of vehicle information to check for user from the network server.
Further, the terminal includes: GPS module, for acquiring the location information of vehicle；Master controller, for pair
The vehicle position information is handled；And RF receiving and transmission module, for by the master controller treated vehicle location
Information is transferred to the base station LoRa.
Further, the terminal further include: acceleration transducer, acceleration used for vehicles be acquired and by its
It is transferred to the master controller and the RF receiving and transmission module, so that the RF receiving and transmission module is transferred to the base station LoRa.
Further, the base station LoRa includes: air feedback unit, for receiving being loaded with for the RF receiving and transmission module transmission
The radiofrequency signal of vehicle location and acceleration information；RF processing unit is used for the received radiofrequency signal of the air feedback unit
Be converted to digital signal；Baseband processing unit, for treated that digital signal demodulates through the RF processing unit
Obtain carrying the baseband signal of vehicle location and acceleration information；And main computer unit, for the baseband signal to be converted to
The signal that matches with the network server format is simultaneously uploaded to the network server by S1 interface.
Further, the main computer unit and the network server carry out the transmission of data in a manner of fiber optic communication.
Further, it is carried out between the network server and the application server by wired or wireless communication network
The transmission of data.
A kind of terminal of specific embodiment according to the present invention, the terminal are used to acquire the operating status letter of vehicle
Breath, and the travel condition of vehicle information is sent to the base station LoRa.
Further, the terminal includes: GPS module, for acquiring the location information of vehicle；Master controller, for pair
The vehicle position information is handled；And RF receiving and transmission module, for by the master controller treated vehicle location
Information is transferred to the base station LoRa.
Further, the terminal further include: acceleration transducer, acceleration used for vehicles be acquired and by its
It is transferred to the master controller and the RF receiving and transmission module, so that the RF receiving and transmission module is transferred to the base station LoRa.
A kind of base station LoRa of specific embodiment according to the present invention, comprising:
Air feedback unit, for receiving the radiofrequency signal for being loaded with vehicle location and acceleration information of terminal transmission, and to penetrating
Frequency processing unit is sent；RF processing unit, for the radiofrequency signal to be converted to digital signal, and to baseband processing unit
Send treated digital signal；Baseband processing unit is demodulated for the digital signal described to treated and is carried
The baseband signal of vehicle location and acceleration information, and the baseband signal is sent to main computer unit；And main computer unit, it is used for
The baseband signal is converted into the signal to match with the network server format and institute is uploaded to by S1 interface
State network server.
The invention has the benefit that 1, input cost is low and is easily achieved, by the base station of existing operator, at it
It is improved on base station；2, energy consumption is lower, further reduces costs, and compared to other networking modes, transmission range is more
Far, more reliably.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structure principle chart of a specific embodiment provided by the invention；
Fig. 2 is the structure principle chart of another specific embodiment provided by the invention；
Fig. 3 is base station HAL layers of control flow chart provided by the invention.
Appended drawing reference
1- terminal；The base station 2-LoRa；3- network server；4- application server.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Shown in referring to Fig.1, the embodiment provides a kind of vehicle information acquisition system based on LoRa technology, packets
Include: terminal 1 sends travel condition of vehicle information for acquiring the running state information of vehicle, and to the base station LoRa 2；LoRa base
It stands 2, receives and simultaneously forward travel condition of vehicle information to network server 3, be based on the base station common carrier 4G between the base station LoRa 2
X2 interface communicated, network server 3 is arranged at the core net of common carrier 4G network, 3 He of network server
S1 interface based on common carrier 4G network between the base station LoRa 2 is communicated；And application server 4, it is used for from network
Travel condition of vehicle information is called to check for user in server 3.
By using LoRa technology, solves the network for relying on operator merely in the prior art, power consumption is big at high cost
Disadvantage, while the radio access node of network end-point is increased, this is not available for existing communication network.
In a specific embodiment of the invention, the interaction for carrying out information between each base station LoRa 2 by X2 interface,
The transmitting of information is carried out to realize user between the different base stations LoRa 2 by X2 interface between the adjacent base station LoRa 2
Switching, carry out the switching between the different base stations LoRa 2 can smoothly.
Referring to shown in Fig. 2, terminal 1 includes: GPS module in a specific embodiment of the invention, for acquiring vehicle
Location information；Master controller, for handling vehicle position information；And RF receiving and transmission module, it is used for master controller
Treated, and vehicle position information is transferred to the base station LoRa 2.
User can be allowed to know the location information of vehicle in real time by GPS module, grasp the status information of vehicle to assist
User judges the abnormal resting state of some vehicles.
Terminal 1 in another embodiment of the present invention further include: acceleration transducer, acceleration used for vehicles
It is acquired and is transmitted to master controller and RF receiving and transmission module, so that RF receiving and transmission module is transferred to the base station LoRa 2.
Acceleration information when acceleration transducer can be to vehicle driving is acquired, while being cooperated acquired in GPS module
Real-time position information speed is measured, if necessary can to driver send information, make Vehicle Speed in safety
Velocity interval in, to ensure that the safety of vehicle driving.
The base station LoRa 2 includes: air feedback unit in some embodiments of the invention, for receiving RF receiving and transmission module
The radiofrequency signal for being loaded with vehicle location and acceleration information sent；RF processing unit, for penetrating air feedback unit is received
Frequency signal is converted to digital signal；Baseband processing unit, for treated that digital signal solves through RF processing unit
Adjust the baseband signal for obtaining carrying vehicle location and acceleration information；And main computer unit, for by baseband signal be converted to
Signal that 3 format of network server matches simultaneously is uploaded to network server 3 by the S1 interface of 4G network.
To advanced optimize the technical solution, main computer unit and network server 3 carry out data in a manner of fiber optic communication
Transmission.
To advanced optimize the technical solution, pass through wired or wireless communication between network server 3 and application server 4
The transmission of network progress data.
In some embodiments of the invention, the base station LoRa and building for system can be based on existing operators
Base station construct, and thus the transmission of data can be carried out using existing network, to facilitate network server and answer
With the transmission of server data, the cost of design is reduced.
The embodiments of the present invention also provide a kind of terminal, for acquiring the running state information of vehicle, and to LoRa base
It stands and sends travel condition of vehicle information, comprising: GPS module, for acquiring the location information of vehicle；Master controller, for vehicle
Location information is handled；And RF receiving and transmission module, for by master controller, treated that vehicle position information is transferred to
The base station LoRa.
In a specific embodiment of the invention, terminal further include: acceleration transducer, acceleration used for vehicles into
Row acquires and is transmitted to master controller and RF receiving and transmission module, so that RF receiving and transmission module is transferred to the base station LoRa 2.
The embodiments of the present invention also provide a kind of base stations LoRa, comprising: air feedback unit, for receiving the load of terminal transmission
There is the radiofrequency signal of vehicle location and acceleration information, and is sent to RF processing unit；
RF processing unit, for radiofrequency signal to be converted to digital signal, and to after baseband processing unit transmission processing
Digital signal；
Baseband processing unit, for digital signal to be demodulated to obtain carrying vehicle location and acceleration letter to treated
The baseband signal of breath, and baseband signal is sent to main computer unit；And
Main computer unit, for baseband signal to be converted to the signal to match with 3 format of network server and is connect by S1
Mouth is uploaded to network server 3.
In some embodiments of the invention, main computer unit uses Raspberry Pi specification for 3 generation of B class, raspberry
It sends 3 major advantage: improving the main frequency of 300MHz, accelerates the processing speed of CPU.
Baseband processing unit uses the SX1301 core with Digital Signal Processing issued by Semetch company
Piece, the agreement interconnected between network is dissolved into LoRa gateway by it.Connection between SX1301 and raspberry pie is logical by SPI
Believe bus；SX1301 start-up operation is to be programmed realization by hardware abstraction layer.The purpose of HAL is that hardware can be made to become to take out
As changing.It is in the interface layer [24] between the CPU and hardware device of operating system.HAL is since that includes one with hardware
A little connection regulations, it is possible to hardware is programmed on an operating system, be equivalent to containing an abstract platform.Either
Software test or hardware testing can be executed only on the basis of HAL layers, therefore may be performed simultaneously software and hardware survey
Examination.
RF processing unit uses SX1257 chip, and SX1257 chip is that a highly integrated radio-frequency front-end to number is adjusted
The transceiver of the more physical layer modes of modulator-demodulator.A variety of continuous and discontinuous envelope modulation schemes may be implemented in the chip.
The composition of the radio-frequency front-end element of SX1257 chip interior, which contains, sends frequency synthesizer, quadrature digital signal channel filtering
Device, quadrature digital signal frequency mixer and RF amplifier modules.Signal is converted by DAC using difference I/Q path filter
It is filtered.These filters are smoothed final analog waveform, eliminate the quantizing noise generated by analog-to-digital conversion.
Baseband processing unit and RF processing unit are mainly that SX1301 is connected by spi bus with two panels SX1257.
Referring to shown in Fig. 3, the work of base station is mainly controlled by HAL layers.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of vehicle information acquisition system based on LoRa technology characterized by comprising
Terminal (1) sends the travel condition of vehicle letter for acquiring the running state information of vehicle, and to the base station LoRa (2)
Breath；
The base station LoRa (2) receives and forwards the travel condition of vehicle information, the base station LoRa (2) to network server (3)
Between the X2 interface based on the base station common carrier 4G communicated, the network server (3) is arranged in common carrier 4G
At the core net of network, the S1 based on common carrier 4G network between the network server (3) and the base station LoRa (2)
Interface is communicated；And
Application server (4), for calling travel condition of vehicle information to check for user from the network server (3).
2. system according to claim 1, which is characterized in that the terminal (1) includes:
GPS module, for acquiring the location information of vehicle；
Master controller, for handling the vehicle position information；And
RF receiving and transmission module, for treated that vehicle position information is transferred to the base station LoRa (2) by the master controller.
3. system according to claim 2, which is characterized in that the terminal (1) further include:
Acceleration transducer, acceleration used for vehicles are acquired and are transmitted to the master controller and the radio frequency
Transceiver module, so that the RF receiving and transmission module is transferred to the base station LoRa (2).
4. system according to claim 3, which is characterized in that the base station LoRa (2) includes:
Air feedback unit, the radio frequency letter for being loaded with vehicle location and acceleration information sent for receiving the RF receiving and transmission module
Number；
RF processing unit, for the received radiofrequency signal of the air feedback unit to be converted to digital signal；
Baseband processing unit, for treated that digital signal demodulated obtains and carry vehicle through the RF processing unit
The baseband signal of position and acceleration information；And
Main computer unit, for the baseband signal to be converted to the signal to match with the network server (3) format and is led to
It crosses S1 interface and is uploaded to the network server (3).
5. system according to claim 4, which is characterized in that the main computer unit and the network server (3) are with light
The mode of fiber communication carries out the transmission of data.
6. system according to any one of claims 1 to 5, which is characterized in that the network server (3) and the application
The transmission of data is carried out between server (4) by wired or wireless communication network.
7. a kind of terminal, which is characterized in that the terminal is used to acquire the running state information of vehicle, and sends to the base station LoRa
The travel condition of vehicle information.
8. terminal according to claim 7 characterized by comprising
GPS module, for acquiring the location information of vehicle；
Master controller, for handling the vehicle position information；And
RF receiving and transmission module, for treated that vehicle position information is transferred to the base station LoRa (2) by the master controller.
9. terminal according to claim 8, which is characterized in that further include:
Acceleration transducer, acceleration used for vehicles are acquired and are transmitted to the master controller and the radio frequency
Transceiver module, so that the RF receiving and transmission module is transferred to the base station LoRa (2).
10. a kind of base station LoRa characterized by comprising
Air feedback unit, for receiving the radiofrequency signal for being loaded with vehicle location and acceleration information of terminal transmission, and at radio frequency
Unit is managed to send；
RF processing unit, for the radiofrequency signal to be converted to digital signal, and to after baseband processing unit transmission processing
Digital signal；
Baseband processing unit is demodulated to obtain carrying vehicle location and acceleration letter for the digital signal described to treated
The baseband signal of breath, and the baseband signal is sent to main computer unit；And
Main computer unit, for the baseband signal to be converted to the signal to match with network server format and by S1 interface
Uploaded to the network server (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810855269.6A CN109121113A (en) | 2018-07-30 | 2018-07-30 | A kind of vehicle information acquisition system based on LoRa technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810855269.6A CN109121113A (en) | 2018-07-30 | 2018-07-30 | A kind of vehicle information acquisition system based on LoRa technology |
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| CN201810855269.6A Withdrawn CN109121113A (en) | 2018-07-30 | 2018-07-30 | A kind of vehicle information acquisition system based on LoRa technology |
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| WO2023040795A1 (en) * | 2021-09-17 | 2023-03-23 | 华为技术有限公司 | Information transmission method and related device |
| CN114727427A (en) * | 2022-04-22 | 2022-07-08 | 南京芮捷电子科技有限公司 | Method for realizing MESH of LoRa gateway |
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Application publication date: 20190101 |