CN102438329B - Dialing method of vehicle-mounted navigation device supporting multimode 3G (the 3rd generation) network - Google Patents
Dialing method of vehicle-mounted navigation device supporting multimode 3G (the 3rd generation) network Download PDFInfo
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- CN102438329B CN102438329B CN201110307835.8A CN201110307835A CN102438329B CN 102438329 B CN102438329 B CN 102438329B CN 201110307835 A CN201110307835 A CN 201110307835A CN 102438329 B CN102438329 B CN 102438329B
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Abstract
The invention discloses a dialing method of a vehicle-mounted navigation device supporting a multimode 3G (the 3rd generation) network. The device structurally comprises a shell, a CPU (central processing unit) and a 3G data card status detection circuit, wherein the shell is provided with a card reading interface circuit for a 3G data card; and the CPU is arranged on a circuit board in the shell and is provided with a special memory. Importantly, a database of mapping relationship between 3G data card device IDs supporting three mobile communication network systems and corresponding driving programs, and an operator network dialing configuration information database are stored in the special memory; and based on the method adopted by the device for connecting the 3G network, the successful access of the 3G network which supports three large mobile communication operators at the same time becomes possible, thus the vehicle-mounted navigation device can be automatically regulated with the change of the connected 3G terminal data card, so as to be adapted to different networks, without manual interference.
Description
Technical field
The invention belongs to vehicle mounted guidance technical field, specifically a kind of Dialing Method of the vehicle mounted guidance instrument apparatus of supporting multimode 3G network.
Background technology
Now domestic three mobile communication carriers adopt the networking model of three kinds of different technologies, cause the different equipment of user's needs could realize the access of data network, due to the different communication modulation system of compatibility simultaneously between data terminal equipment, causing vehicle-mounted user's navigation terminal can only select a kind of access terminals equipment binds, allow user lose right to choose, also make the flexibility of vehicle-mounted user's online greatly reduce.Because the spreadability of each operator 3G network is inconsistent, the reliability that also causes user to obtain network service can not get abundant guarantee.Therefore, develop a kind of access that makes automatic navigator equipment reliably simultaneously support flexibly the 3G network of three large mobile communication carriers, in-vehicle navigation apparatus can automatically be followed according to the conversion of connected 3G terminal data card and adjust adapt to different networks, become a kind of trend.
Summary of the invention
The present invention is in order to make automatic navigator equipment reliably support flexibly the access of the 3G network of three large mobile communication carriers simultaneously, in-vehicle navigation apparatus can automatically be followed according to the conversion of connected 3G terminal data card and adjust and adapt to different networks, design a kind of Dialing Method of the vehicle mounted guidance instrument apparatus of supporting multimode 3G network, realized the access of simultaneously supporting three mobile communication carriers to adopt the 3G data network of the networking model of three kinds of different technologies.
The technical solution used in the present invention is: a kind of Dialing Method of the vehicle mounted guidance instrument apparatus of supporting multimode 3G network, this apparatus structure comprises: the housing that is provided with 3G data card card reading interface circuit, be arranged on the CPU with private memory on enclosure interior circuit board, 3G data card state detection circuit, key is: the mapping relations database of the 3G data card equipment ID that stores three kinds of mobile communications network standards in described private memory and corresponding driver, and network ID and carrier network dialing configuration information database, the step that said apparatus dials comprises:
The grafting signal of A, 3G data card state detection circuit real-time detector data card, in the time 3G data card access 3G data card card reading interface circuit having been detected, sends state information to CPU;
B, CPU obtain the device id number of the 3G data card of current access, and in mapping relations database, search corresponding device driver, if found, utilize this driver to carry out initialization to equipment, and set up virtual command channel and data channel, skip to step C; If do not found, skip to step D;
C, CPU access 3G data card by command channel, obtain the network ID of this 3G data card operator, in carrier network dialing configuration information database, search corresponding dialing configuration, if found, set up dial-up service and carry out dial-up connection, skip to step e; If do not found, skip to step D;
D, network connection failure;
E, dial.
The invention has the beneficial effects as follows: reliably support flexibly the access of the 3G network of three large mobile communication carriers simultaneously, in-vehicle navigation apparatus can automatically be followed according to the conversion of connected 3G terminal data card and adjust adapt to different networks, without artificial participation.
Accompanying drawing explanation
Fig. 1 is method flow diagram of the present invention.
Embodiment
A kind of Dialing Method of the vehicle mounted guidance instrument apparatus of supporting multimode 3G network, this apparatus structure comprises: be provided with 3G data card card reading interface circuit housing, be arranged on the CPU with private memory, 3G data card state detection circuit on enclosure interior circuit board, importantly: mapping relations database and network ID and the carrier network dialing configuration information database of the 3G data card equipment ID that stores three kinds of mobile communications network standards in described private memory and corresponding driver, the step that said apparatus dials comprises:
The grafting signal of A, 3G data card state detection circuit real-time detector data card, in the time 3G data card access 3G data card card reading interface circuit having been detected, sends state information to CPU;
B, CPU obtain the device id number of the 3G data card of current access, and in mapping relations database, search corresponding device driver, if found, utilize this driver to carry out initialization to equipment, and set up virtual command channel and data channel, skip to step C; If do not found, skip to step D;
C, CPU access 3G data card by command channel, obtain the network ID of this 3G data card operator, in carrier network dialing configuration information database, search corresponding dialing configuration, if found, set up dial-up service and carry out dial-up connection, skip to step e; If do not found, skip to step D;
D, network connection failure;
E, dial.
Three kinds of described mobile communications network standards are TDSCDMA, CDMA2000 and WCDMA.
After step e has dialled, set up hot plug testing circuit and in real time 3G data card is detected, if the signal that 3G data card is extracted detected, skip to step D; If detect that 3G data card inserts, and skips to steps A.
In the specific implementation, 3G data network access device adopts the 3G data card of the support single communication standard that widely used each mobile operator provides on PC and notebook computer, is connected by 3G data card card reading interface circuit with automatic navigator; Mapping relations database and the carrier network dialing configuration information database of model 3G data card equipment ID and corresponding driver, be kept in private memory.
A, 3G data card state detection circuit detect when 3G data card is connected to automatic navigator, send state information to CPU;
B, CPU obtain the device id number of the 3G data card of current access according to usb protocol, and in mapping relations database, search corresponding device driver, if found, utilize this driver to carry out initialization to equipment, and set up virtual command channel and data channel, skip to step C; If do not found, skip to step D;
C, CPU access 3G data card by command channel, obtain the network ID of this 3G data card operator, in carrier network dialing configuration information database, search corresponding dialing configuration, if found, set up dial-up service and carry out dial-up connection, skip to step e; If do not found, skip to step D;
D, network connection failure;
E, dialled, the hot plug testing circuit of automatic navigator detects the connection status of 3G data card, if the 3G network data card of finding 3G data card card reading interface circuit is to being extracted, exits dial-up connection, skips to step D; And continue monitoring 3G data card card reading interface circuit, in the time having new USB 3G data card access, repeat steps A.
This method makes the access of the 3G network of simultaneously supporting three large mobile communication carriers become possibility, in-vehicle navigation apparatus can automatically be followed according to the conversion of connected 3G terminal data card and adjust adapt to different networks, without artificial participation.
Claims (3)
1. support the Dialing Method of the vehicle mounted guidance instrument apparatus of multimode 3G network for one kind, this apparatus structure comprises: be provided with 3G data card card reading interface circuit housing, be arranged on the CPU with private memory, 3G data card state detection circuit on enclosure interior circuit board, it is characterized in that: mapping relations database and network ID and the carrier network dialing configuration information database of the 3G data card equipment ID that stores three kinds of mobile communications network standards in described private memory and corresponding driver, the step that said apparatus dials comprises:
The grafting signal of A, 3G data card state detection circuit real-time detector data card, in the time 3G data card access 3G data card card reading interface circuit having been detected, sends state information to CPU;
B, CPU obtain current access 3G data card device id and in mapping relations database, search corresponding device driver, if found, utilize this driver to carry out initialization to equipment, and set up virtual command channel and data channel, skip to step C; If do not found, skip to step D;
C, CPU access 3G data card by command channel, obtain this 3G data card network ID, in carrier network dialing configuration information database, search corresponding dialing configuration, if found, set up dial-up service and carry out dial-up connection, skip to step e; If do not found, skip to step D;
D, network connection failure;
E, dial.
2. the Dialing Method of a kind of vehicle mounted guidance instrument apparatus of supporting multimode 3G network according to claim 1, is characterized in that: three kinds of described mobile communications network standards are TDSCDMA, CDMA2000 and WCDMA.
3. the Dialing Method of a kind of vehicle mounted guidance instrument apparatus of supporting multimode 3G network according to claim 1, it is characterized in that: after step e has dialled, set up hot plug testing circuit and in real time 3G data card is detected, if the signal that 3G data card is extracted detected, skip to step D; If detect that 3G data card inserts, and skips to steps A.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110307835.8A CN102438329B (en) | 2011-10-12 | 2011-10-12 | Dialing method of vehicle-mounted navigation device supporting multimode 3G (the 3rd generation) network |
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| CN201110307835.8A CN102438329B (en) | 2011-10-12 | 2011-10-12 | Dialing method of vehicle-mounted navigation device supporting multimode 3G (the 3rd generation) network |
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| CN102438329A CN102438329A (en) | 2012-05-02 |
| CN102438329B true CN102438329B (en) | 2014-07-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103716815A (en) * | 2013-12-26 | 2014-04-09 | 惠州华阳通用电子有限公司 | Method for vehicle-mounted communication terminal to achieve dial-up internet access |
| CN106161574A (en) * | 2015-04-27 | 2016-11-23 | 北京长城金点物联网科技股份有限公司 | A kind of network signal provides method and device |
| CN110543340A (en) * | 2019-08-09 | 2019-12-06 | 北京信安世纪科技股份有限公司 | Method, device, equipment and medium for determining password equipment corresponding to interface library |
| CN114158066A (en) * | 2021-11-24 | 2022-03-08 | 杭州义益钛迪信息技术有限公司 | Wireless communication module configuration generation method and device, electronic equipment and storage medium |
| CN115291958B (en) * | 2022-10-10 | 2022-12-27 | 广州市保伦电子有限公司 | Method and device for replacing main control chip and peripheral chip |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101605332A (en) * | 2009-06-26 | 2009-12-16 | 北京鼎盛光华科技有限责任公司 | Vehicle multi-mode wireless network communication system |
| CN201594398U (en) * | 2010-01-14 | 2010-09-29 | 南靖万利达科技有限公司 | Vehicular navigation and multimedia video system |
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| FR2854521A1 (en) * | 2003-04-30 | 2004-11-05 | Orange France | COMMUNICATIONS DEVICE FOR LAND VEHICLE |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101605332A (en) * | 2009-06-26 | 2009-12-16 | 北京鼎盛光华科技有限责任公司 | Vehicle multi-mode wireless network communication system |
| CN201594398U (en) * | 2010-01-14 | 2010-09-29 | 南靖万利达科技有限公司 | Vehicular navigation and multimedia video system |
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