CN103281438A - Mobile phone communication module-based data transmission method and system in Internet of vehicles - Google Patents
Mobile phone communication module-based data transmission method and system in Internet of vehicles Download PDFInfo
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- CN103281438A CN103281438A CN2013101600959A CN201310160095A CN103281438A CN 103281438 A CN103281438 A CN 103281438A CN 2013101600959 A CN2013101600959 A CN 2013101600959A CN 201310160095 A CN201310160095 A CN 201310160095A CN 103281438 A CN103281438 A CN 103281438A
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Abstract
The invention discloses a mobile phone communication module-based data transmission method and system in an Internet of vehicles. The data transmission system comprises a vehicle navigation device, a mobile phone communication module and a service counter. The vehicle navigation device is connected with the mobile phone communication module by a universal serial bus (USB) interface; the mobile phone communication module is connected with the service counter by a mobile phone network; the mobile phone communication module is a general packet radio service (GPRS) module or a the 3rd generation telecommunication (3G) module, and is provided with a USB socket; and a USB drive program is installed in the mobile phone communication module. By adopting the mobile phone communication module-based data transmission method and system in the Internet of vehicles disclosed by the invention, simple data interaction between a background and vehicle navigation can be realized.
Description
Technical field
The present invention relates to the vehicle electronics field, in a kind of car networking in particular based on data transmission method and the system of mobile communication module.
Background technology
In traditional car networking, information communication between backstage and the vehicle mounted guidance (car machine) is based on GPRS passage and the short message channel of cell phone network, this mode requires the user must have a mobile phone that can use the GPRS function, mobile phone connects the backstage, onboard navigation system connects mobile phone by bluetooth or Wifi, realizes the information exchange of backstage and onboard navigation system.This mode of prior art has the following disadvantages: 1. the user must prepare a mobile phone that can use GPRS function or 3G function, when user mobile phone does not have electricity, then can not realize the information exchange of backstage and onboard navigation system, uses inconvenient.2. in the use, the mobile phone power consumption is serious, because mobile phone need be connected by bluetooth or Wifi with onboard navigation system on the one hand, need to use GPRS or 3G online on the other hand, the mobile phone power consumption is fast, while charge when realizing the information exchange functions of backstage and onboard navigation system when user mobile phone, cell-phone heating is serious, the loss mobile phone reduces the mobile phone life-span easily.3. the rate of information throughput is low: because informational needs is transferred to onboard navigation system by mobile phone again through mobile phone, need in transport process through various protocols, transmit slower.4. information transmission stability has much room for improvement: bluetooth and Wifi transmit information and are subjected to the external electromagnetic effect of signals easily.5. cost height: bluetooth module or Wifi module need be set in onboard navigation system, be unfavorable for applying.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide in the networking of a kind of car based on data transmission method and the system of mobile communication module, be intended to solve prior art and use inconveniently, the mobile phone power consumption is serious, and the rate of information throughput is low, less stable, cost high-technology problem.
Technical scheme of the present invention is as follows: based on the data transmission system of mobile communication module, wherein, comprise in-vehicle navigation apparatus, mobile communication module and information desk in a kind of car networking; Described in-vehicle navigation apparatus connects the mobile communication module by USB interface, and described mobile communication module is by cell phone network Connection Service platform; Described mobile communication module is GPRS module or 3G module, has the USB socket, and described mobile communication module is built-in with the USB driver.
Based on the data transmission system of mobile communication module, wherein, described in-vehicle navigation apparatus comprises navigation module and the SD card that is connected by the SDIO interface with navigation module in the networking of described car; Described navigation module comprises driver module, dial module and middle control module; Described SD card is built-in with mobile communication driver of modules, dial-up program, middle control program and ground module.
In the networking of described car based on the data transmission system of mobile communication module, wherein, also be provided with independently PTT service application module, the icon independent displaying of this application module in all display interfaces foremost, when the user click application module icon the time, system can judge earlier whether map software opens, if open, the software of then spreading out the map is dialed the backstage then.
In the networking of described car based on the data transmission system of mobile communication module, wherein, with the icon independent displaying in the method foremost of all display interfaces be: in WINDOWS, the form of icon with the dialog box Background is presented on the display screen, and this dialog box is set to TOPMOST, and realizes the start self-starting by revising registration table.
Based on the data transmission system of mobile communication module, wherein, described cell phone network comprises GSM network, GPRS network and 3G network in the described car networking.
Based on the data transmission system of mobile communication module, wherein, described mobile communication module is the EM770W WCDMA of Huawei module in the described car networking.
Based on the data transmission method of mobile communication module, wherein, comprise the steps: in a kind of car networking
Step S1: the USB socket of mobile phone communication module is injected in the USB interface of in-vehicle navigation apparatus, the USB in the mobile communication module drives automatically and loads, and sets up being connected between mobile communication module and the in-vehicle navigation apparatus by USB interface;
Step S2: onboard navigation system produces a virtual serial port, and the dial module control dial-up program work in the navigation module utilizes ppp protocol to pass through the mobile communication module and sends connection request to information desk;
Step S3: after the server platform receives the connection request of in-vehicle navigation apparatus, setting up a socket intercepts, after server and the in-vehicle navigation apparatus successful connection, the control program sends the registration request by the mobile communication module to information desk in the middle control module controls in the navigation module;
Step S4: after succeeding in registration, middle control program can be carried out data communication with information desk.
In the networking of described car based on the data transmission method of mobile communication module, wherein, control program and information desk carry out the mode of data communication and be among the described step S4: information desk provides multiple service, each service arranges different data function sign indicating numbers, onboard navigation system is regularly to information desk inquiry state, if information desk has corresponding service, then the corresponding data function sign indicating number information of corresponding service is obtained, onboard navigation system is obtained corresponding information on services return according to the data function sign indicating number then, and navigation module is carried out this service again.
Beneficial effect of the present invention: the present invention is connected with the in-vehicle navigation apparatus USB interface by the mobile communication module, and onboard navigation system realizes easy data interaction between backstage and the vehicle mounted guidance by mobile communication module dial-up connection information desk.
Description of drawings
Fig. 1 is system block diagram provided by the invention.
Fig. 2 is method flow diagram provided by the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, clear and definite, below develop simultaneously with reference to accompanying drawing that the present invention is described in more detail for embodiment.
Referring to Fig. 1, system provided by the invention comprises in-vehicle navigation apparatus, mobile communication module and information desk; Described in-vehicle navigation apparatus connects the mobile communication module by USB interface, and described mobile communication module is by cell phone network Connection Service platform; Described mobile communication module is GPRS module or 3G module, has the USB socket, and described mobile communication module is built-in with the USB driver.Described cell phone network comprises GSM network, GPRS network and 3G network.
Described in-vehicle navigation apparatus comprises navigation module and the SD card that is connected by the SDIO interface with navigation module; Described navigation module comprises driver module, dial module and middle control module; Described SD card is built-in with mobile communication driver of modules, dial-up program, middle control program and ground module.
The control program is WINCE in described, but and in being limited to the wince system, so long as the operating system that band SD card drives can be used (as windows, linux, unix, android).In the described ground module map software is installed.
Driver is installed as follows between described navigation module, SD card and the mobile communication module: the mobile communication module is connected in the in-vehicle navigation apparatus by USB, corresponding USB driver is housed in the mobile communication module, this USB driver is installed automatically, and realization mobile communication module is connected with in-vehicle navigation apparatus; The mobile communication driver of modules that mates with the mobile communication module is installed in the SD card, driver module operation mobile communication driver of modules, after installing, navigation module can carry out dial-up connection to information desk by the mobile communication module.
The present invention also is provided with an independently PTT service application module on the basis of said system, this application module rests in a suitable position on the car machine screen with the form of an icon.In the time of user's clickable icon, system can judge at first whether the map software in the ground module opens, if do not open, the software of then spreading out the map is dialed the backstage then.Be in the top layer of screen after the start of this icon, the user can click this icon at any time always, and the software that need not to spread out the map just can be dialed the PTT backstage and navigate, and realizes that really PTT navigates.And this icon has suspension characteristic and mobility, and is also smaller.So the practicality on the car machine is also than higher.
Described icon is a common bitmap, and the form with the dialog box Background in WINDOWS is presented on the car machine display screen.Only need this dialog box to be set to TOPMOST among the WINDOWS and just can realize remaining on screen purpose foremost.And by writing registration table can realize the starting shooting function of self-starting.
Referring to Fig. 2, the means of communication provided by the invention comprise the steps:
Step S1: the USB socket of mobile phone communication module is injected in the USB interface of in-vehicle navigation apparatus, the USB in the mobile communication module drives automatically and loads, and sets up being connected between mobile communication module and the in-vehicle navigation apparatus by USB interface;
Step S2: onboard navigation system produces a virtual serial port, and the dial module control dial-up program work in the navigation module utilizes ppp protocol to pass through the mobile communication module and sends connection request to information desk;
Step S3: after the server platform receives the connection request of in-vehicle navigation apparatus, setting up a socket intercepts, after server and the in-vehicle navigation apparatus successful connection, the control program sends the registration request by the mobile communication module to information desk in the middle control module controls in the navigation module;
Step S4: after succeeding in registration, middle control program can be carried out data communication with information desk.
Control program and information desk carry out the mode of data communication and be among the described step S4: information desk provides multiple service, each service arranges different data function sign indicating numbers, onboard navigation system is regularly to information desk inquiry state, if information desk has corresponding service, then the corresponding data function sign indicating number information of corresponding service is obtained, onboard navigation system is obtained corresponding information on services return according to the data function sign indicating number then, and navigation module is carried out this service again.
In-vehicle navigation apparatus is provided with inputting interface, the user can want the information on services that obtains by inputting interface input, inquire about this service by control routine access information desk in the middle control module controls, when there is not corresponding service in information desk, middle control program sends solicited message to information desk, information desk receives the solicited message post analysis, and set up new service, data function sign indicating number for a correspondence of this service configuration, and the information of this data function sign indicating number send in the control program, middle control program finds corresponding port according to the information of this data function sign indicating number, obtains the service that the user wants.
For the navigation panel that realizes automatic navigator and the problem of the compatible property of map software, the present invention proposes: adopt one group of standard common interface function of encapsulation that dynamic load DLL is provided the method for (Dynamic-link libraries, dynamic link library).Its principle: in this DLL storehouse, encapsulated the needed DLL of different automatic navigator platforms, as the bridge of communication between map software and the automatic navigator, to realize the communication between different map software and the different automatic navigators.
The standard common interface function of described encapsulation is the inside that is put into the ground graph card, does a boot, when spreading out the map DLL is loaded in the system.Its specific practice is: at first, the EXENAME of original map software is replaced, the executable file of map software is made into the another one name; Then, boot is made into the map software original filename of part of can composing a piece of writing with holding.When car machine UI program start, will open boot earlier.It is exactly the executable file of software of spreading out the map that boot is finished two one of actions, and another one is exactly to load corresponding DLL.
Map software adopts the mode of inquiry to detect the DLL storehouse DLL corresponding with automatic navigator, and the DLL that dynamic load should correspondence on map software, and then calls the standard common interface function among the DLL, realizes the function of different automatic navigators.In the time of need using vocal function such as map software, can call corresponding interface function request automatic navigator and close DVD, MP3 etc. and stop sounding.
Automatic navigator transmits windows messaging by DLL to map software, and after map software was received message, the control AM/BAM switched.Require map software to realize arranging the navigation volume such as automatic navigator, functions such as navigation are closed in request.
Because versatility DLL adopts standard common interface function, and any automatic navigator company and map software company also can adopt the disclosure standard common interface function.So as long as automatic navigator company and navigation software have adopted this standard interface function to realize DLL.The user does not need to consider that automatic navigator uses which map software and the navigation panel problem of automatic navigator.The user arbitrarily buys any one tame map software and any one tame automatic navigator, can solve compatibility issue by loading DLL.Universal like this DLL can solve compatibling problem between different automatic navigators and the map software, can guarantee Navigator normally operation on automatic navigator.
The present invention contrasts prior art and has following advantage: 1. the present invention does not need to consume the electric weight of user mobile phone, make things convenient for the user to continue to use mobile phone, and because the mobile communication module that the present invention proposes is to be connected with in-vehicle navigation apparatus by USB, the mobile communication module directly obtains electric energy from in-vehicle navigation apparatus, do not need to dispose charger, easy to use; 2. data transmission stability height of the present invention, transmission rate is fast, and the mobile communication module is connected with in-vehicle navigation apparatus by USB, transfer of data is not easy to be subjected to the external electromagnetic wave interference, the accuracy height, because the mobile communication module is furnished with USB2.0 High Speed interface, message transmission rate is fast; 3. cost is low, with changing conveniently, utilizes the mobile communication module to replace user mobile phone, is conducive to reduce the loss of user mobile phone on the one hand, prolong the mobile phone life-span, on the other hand, mobile communication module price is low than the user mobile phone price, long service life, the reliability height, and change when damaging convenient.
Embodiment 1
The mobile communication module is the EM770W WCDMA of Huawei module (have USB interface, and self-carried USB driving), and Huawei's EM770W WCDMA module is made an external box, leaves USB interface.The drive installation bag of EM770W module is placed in the SD card of vehicle mounted guidance, and selects to install the driving of EM770W by vehicle mounted guidance.The USB of EM770W drives automatically and loads when external box inserts the USB interface of in-vehicle navigation apparatus, and onboard navigation system fictionalizes serial ports.Onboard navigation system utilizes ppp protocol to build a dial-up connection.In the SD card, put a dial-up program and middle control program.The dialing of dial module control dial-up program is after the dial-up success.The control program is set up by the mobile communication module and is connected with the socket of information desk in the middle control module controls.After in the socket connection, middle control program just can be carried out data communication with information desk.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, for those of ordinary skills, can be improved according to the above description or conversion that all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (8)
1. based on the data transmission system of mobile communication module, it is characterized in that during a car is networked, comprise in-vehicle navigation apparatus, mobile communication module and information desk; Described in-vehicle navigation apparatus connects the mobile communication module by USB interface, and described mobile communication module is by cell phone network Connection Service platform; Described mobile communication module is GPRS module or 3G module, has the USB socket, and described mobile communication module is built-in with the USB driver.
In the car according to claim 1 networking based on the data transmission system of mobile communication module, it is characterized in that described in-vehicle navigation apparatus comprises navigation module and the SD card that is connected by the SDIO interface with navigation module; Described navigation module comprises driver module, dial module and middle control module; Described SD card is built-in with mobile communication driver of modules, dial-up program, middle control program and ground module.
In the car according to claim 2 networking based on the data transmission system of mobile communication module, it is characterized in that, also be provided with independently PTT service application module, the icon independent displaying of this application module in all display interfaces foremost, when the user click application module icon the time, system can judge earlier whether map software opens, if open, the software of then spreading out the map is dialed the backstage then.
In the car according to claim 3 networking based on the data transmission system of mobile communication module, it is characterized in that, with the icon independent displaying in the method foremost of all display interfaces be: in WINDOWS, the form of icon with the dialog box Background is presented on the display screen, and this dialog box is set to TOPMOST, and realizes the start self-starting by revising registration table.
5. based on the data transmission system of mobile communication module, it is characterized in that described cell phone network comprises GSM network, GPRS network and 3G network during car according to claim 4 is networked.
6. based on the data transmission system of mobile communication module, it is characterized in that described mobile communication module is the EM770W WCDMA of Huawei module during car according to claim 5 is networked.
7. based on the data transmission method of mobile communication module, it is characterized in that during a car is networked, comprise the steps:
Step S1: the USB socket of mobile phone communication module is injected in the USB interface of in-vehicle navigation apparatus, the USB in the mobile communication module drives automatically and loads, and sets up being connected between mobile communication module and the in-vehicle navigation apparatus by USB interface;
Step S2: onboard navigation system produces a virtual serial port, and the dial module control dial-up program work in the navigation module utilizes ppp protocol to pass through the mobile communication module and sends connection request to information desk;
Step S3: after the server platform receives the connection request of in-vehicle navigation apparatus, setting up a socket intercepts, after server and the in-vehicle navigation apparatus successful connection, the control program sends the registration request by the mobile communication module to information desk in the middle control module controls in the navigation module;
Step S4: after succeeding in registration, middle control program can be carried out data communication with information desk.
In the car according to claim 7 networking based on the data transmission method of mobile communication module, it is characterized in that, control program and information desk carry out the mode of data communication and be among the described step S4: information desk provides multiple service, each service arranges different data function sign indicating numbers, onboard navigation system is regularly to information desk inquiry state, if information desk has corresponding service, then the corresponding data function sign indicating number information of corresponding service is obtained, onboard navigation system is obtained corresponding information on services return according to the data function sign indicating number then, and navigation module is carried out this service again.
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| CN103581337A (en) * | 2013-11-21 | 2014-02-12 | 江苏新科软件有限公司 | Method for mirroring from smart phone to vehicle-mounted system |
| CN104121914A (en) * | 2014-07-25 | 2014-10-29 | 广东翼卡车联网服务有限公司 | Method for transmitting navigation data by IP (Internet Protocol) telephone data channel as well as navigation method |
| CN104735812A (en) * | 2015-03-05 | 2015-06-24 | 广东翼卡车联网服务有限公司 | Method and system for allowing vehicle-mounted navigator to have access to wireless network |
| WO2017045276A1 (en) * | 2015-09-14 | 2017-03-23 | 百度在线网络技术（北京）有限公司 | Terminal interconnecting method, device, and storage medium |
| CN106899752A (en) * | 2016-12-30 | 2017-06-27 | 深圳天珑无线科技有限公司 | Information equipment and download and store the application system and method for information |
| CN106936869A (en) * | 2015-12-30 | 2017-07-07 | 沈阳美行科技有限公司 | A kind of car interconnection plane method and system based on AOA agreements |
| WO2018120493A1 (en) * | 2016-12-30 | 2018-07-05 | 百度在线网络技术（北京）有限公司 | Communication connection establishing method and system, mobile terminal, vehicle-mounted equipment, corresponding equipment and computer storage medium |
| CN110351358A (en) * | 2019-07-09 | 2019-10-18 | 成都信息工程大学 | A kind of car networking safe information transmission and intelligent early-warning system |
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| CN103581337A (en) * | 2013-11-21 | 2014-02-12 | 江苏新科软件有限公司 | Method for mirroring from smart phone to vehicle-mounted system |
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| WO2018120493A1 (en) * | 2016-12-30 | 2018-07-05 | 百度在线网络技术（北京）有限公司 | Communication connection establishing method and system, mobile terminal, vehicle-mounted equipment, corresponding equipment and computer storage medium |
| CN110351358A (en) * | 2019-07-09 | 2019-10-18 | 成都信息工程大学 | A kind of car networking safe information transmission and intelligent early-warning system |
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Address after: 528133, No. 2, inner ring road, 1 North East Sea Road, Sanshui East Road, Sanshui District, Guangdong, Foshan 303, 204 Applicant after: Guangdong Ecar Telematics Service Co.,Ltd. Address before: 528133 C District, Southwest Industrial Park, Sanshui District, Guangdong, Foshan Applicant before: Guangdong Ecar Telematics Service Co.,Ltd. |
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Application publication date: 20130904 |