CN103716473A - Vehicle-mounted navigation communication system and method - Google Patents
Vehicle-mounted navigation communication system and method Download PDFInfo
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- CN103716473A CN103716473A CN201210379392.8A CN201210379392A CN103716473A CN 103716473 A CN103716473 A CN 103716473A CN 201210379392 A CN201210379392 A CN 201210379392A CN 103716473 A CN103716473 A CN 103716473A
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Abstract
This invention relates to a vehicle-mounted navigation communication method which comprises: a user makes a call to a background phone of a calling center through a vehicle machine or a mobile phone and manually requests navigation; the calling center transmits the data information required by the user to a DTMF coding device through an interface according to the requirement of the user; DTMF coding device converts the data information to audio frequency signals which are sent to the requesting mobile phone of the user; the mobile phone receives the DTMF speech signals and synchronizes the information to the vehicle machine through the Bluetooth; and the vehicle machine performs DTMF decoding through a vehicle machine Bluetooth module after receiving the DTMF signals, and the decoded digital information can be utilized by other vehicle-mounted terminal software. The invention enables the mobile phone to connect with the vehicle-mounted terminal by utilizing the Bluetooth technology, realizes data transmission through using a voice communication line to transmit DTMF signals, doesn't need to additionally install a communication module on the vehicle-mounted terminal and afford extra cost, reduces accident occurrence rate, and adds operation convenience.
Description
Technical field
The present invention relates to automotive electronic technology and vehicle-carrying communication field, more particularly, relate to a kind of vehicle mounted guidance communication system and method.
Background technology
Automotive electronics is key and the core of automotive engineering development, is the emerging strategic industry of the high-tech autonomous innovation of country and the support of Shenzhen's emphasis.Constantly huge along with China's automobile pollution, private car owner gets more and more and rejuvenation, although national communication rules are clearly stipulated not allow, but the phenomenon of dialing answering mobile telephone in driving process remains incessant after repeated prohibition, in addition on the one hand, car owner is not only confined to provide traffic route for the requirement of navigation, and more and more urgent for the demand of all kinds of positions precise information around, onboard navigation system technical development must meet these demands.
DTMF(Dual tone multifrequency, dual-tone multifrequency) be a kind of signaling method, analog of telephone line by voice-bearer transmits dialing information, can be that dual tone phone machine is issued switch for calling out, can be also to issue dual-audio phone so that CID(caller identification to be provided by switch) business.On dual tone phone machine, press a key on its figure disc, telephone set will send a dtmf signal, and each dtmf signal is comprised of two frequencies, the frequency that each dtmf signal comprises.
Bluetooth (Bluetooth) is the radiotechnics of a kind of support equipment short haul connection (in general 10m).Can comprise mobile phone, PDA, wireless headset, notebook computer, be correlated with and carry out wireless messages exchange between numerous equipment such as peripheral hardware.
Summary of the invention
The technical problem to be solved in the present invention is; for traditional vehicle mounted terminal, need to install the defect that communication module could be realized security presence hidden danger in car machine and the mutual present situation of external information and operating process additional; provide a kind of simple and practical, the Realization Method of Communication greatly reducing costs; Another technical problem that the present invention will solve is, for traditional vehicle mounted terminal, need to install the defect that communication module could be realized security presence hidden danger in car machine and the mutual present situation of external information and operating process additional, and a kind of vehicle mounted guidance communication system is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of vehicle mounted guidance communication means, use mobile phone and the car-mounted terminal of call center, Ke Yu call center mobile communication, described mobile phone and described car-mounted terminal Bluetooth communication, described vehicle mounted guidance communication means comprises the following steps:
Described in S1, mobile phone connects by Bluetooth communication and described car-mounted terminal;
Described in S2, mobile phone or car machine are by voice channel dial-up connection call center;
The digital signal protocol package that described in S3, the background program of call center generates response from the request of described mobile phone mails to dtmf code device;
Described in S4, dtmf code device changes into voice signal by digital signal protocol package by dtmf code, then by the voice channel of having set up, sends on described mobile phone;
Described in S5, mobile phone, by receiving the signal of dtmf code, sends to car-mounted terminal by Bluetooth communication;
Described in S6, car-mounted terminal carries out the soft decoding of DTMF by the dtmf code signal receiving by Bluetooth communication, and decoded data are carried out to respective handling.
In above-mentioned vehicle mounted guidance communication means, described car-mounted terminal is vehicle mounted guidance machine.
The present invention solves the technical scheme that its another technical problem adopts: construct a kind of vehicle mounted guidance communication system, comprising:
Mobile phone, comprises processor and the bluetooth communication and the mobile communication module that are connected with described processor respectively;
Car-mounted terminal, comprises processor and is connected bluetooth communication with described processor, and described bluetooth communication is embedded with DTMF decoding;
Call center comprises the voice communication assembly of attending a banquet the processor of software, the dtmf code device being connected with processor through special purpose interface and be connected with dtmf code device in operation call center, backstage;
Described mobile phone is connected with described call center by mobile communication module, and described bluetooth communication connects through mobile communication module by having the mobile phone of bluetooth communication.
In above-mentioned vehicle mounted guidance communication system, the bluetooth communication of stating car-mounted terminal is embedded with the soft decoding function of DTMF, and by described bluetooth communication, be connected on the mobile phone of Bluetooth function, dtmf code device is used on backstage, call center, by speech line, self-defining protocol package is passed through to DTMF voice transfer to described car-mounted terminal, car-mounted terminal is given other car machine software applications after using the bluetooth with DTMF decoding function to decode.
In above-mentioned vehicle mounted guidance communication system, described car-mounted terminal is connected with car owner's mobile phone by described bluetooth communication, and the mobile phone with Bluetooth function is connected with described call center through communication network.
In above-mentioned vehicle mounted guidance communication system, the described mobile phone with bluetooth communication is connected with backstage, described call center.
In above-mentioned vehicle mounted guidance communication system, also comprise vehicle terminal software, this vehicle terminal software realizes some function according to the protocol contents of User Defined or agreement.
In above-mentioned vehicle mounted guidance communication system, described communication network is GSM/CDMA/WCDMA/CDMA200/TD-SCDMA.
In above-mentioned vehicle mounted guidance communication system, described car-mounted terminal is vehicle mounted guidance machine.
In above-mentioned vehicle mounted guidance communication system, described car-mounted terminal does not comprise communication module.
Implement vehicle mounted guidance communication means of the present invention and system, there is following beneficial effect: user terminal mobile phone is connected with the bluetooth of car-mounted terminal, directly realize the object that some function of car owner's mobile phone is directly used on car-mounted terminal; Car-mounted terminal need not increase communication module, use the SIM card voice of mobile phone to transmit, and its rate is by producing in former cell phone call charge, do not bear other extra charge; By voice manual service, greatly reduced accident rate, increased simple operation and cost there is no the features such as increase, convenient and safe easy to operate.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the theory diagram of vehicle mounted guidance communication means of the present invention;
Fig. 2 is the workflow block diagram of vehicle mounted guidance communication means of the present invention;
Fig. 3 is vehicle mounted guidance communication system signal flow graph of the present invention;
Fig. 4 is the structured flowchart of vehicle mounted guidance communication system of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 4, Fig. 4 shows the structured flowchart of vehicle mounted guidance communication system, and this system comprises mobile phone 10, comprises processor 13 and the bluetooth communication 11 being connected with processor 13 respectively and mobile communication module 12; Car-mounted terminal 20, comprises processor 23 and is connected bluetooth communication 21 with processor 23, and bluetooth communication 21 is embedded with DTMF decoding; Call center 30 comprises the voice communication assembly 32 of attending a banquet the processor 33 of software, the dtmf code device 31 being connected with processor 33 through special purpose interface and be connected with dtmf code device 31 in operation call center, backstage; Also comprise through the two-way computer PC end being connected of special purpose interface and dtmf code device 31; Car-mounted terminal 20 does not comprise communication module.
As shown in Figure 1 to Figure 3, bluetooth cellular phone connects with machine by bluetooth module and vehicle mounted guidance, by bluetooth module voice call, be connected to the terminal use with Bluetooth function, terminal use dials in to backstage, call center, backstage personnel ask according to terminal use, use PC end software program, by interface, the protocol package that meets user's request is mail to DTMF signaling device, this DTMF signaling device changes into voice signal by this protocol package by dtmf code system, then by telephone line passage, send, when mobile phone is received after voice signal, by being connected and being synchronized to vehicle mounted guidance main frame with the bluetooth module of mobile phone, vehicle mounted guidance is decoded with main frame bluetooth module the dtmf signal receiving, decoded content is given to vehicle terminal software, vehicle terminal software protocol contents according to a preconcerted arrangement realizes some function.
With reference to Fig. 2, Fig. 2 shows the workflow block diagram of vehicle mounted guidance communication means, mobile phone is set up to connection by bluetooth module and vehicle mounted guidance machine, terminal use arrives backstage, call center by car machine or handset dialing, backstage personnel ask according to terminal use, use PC end software program, by interface, the protocol package that meets user's request is mail to DTMF signaling device, DTMF signaling device changes into voice signal by this protocol package by dtmf code system, then by telephone line passage, send, when mobile phone is received after voice signal, by be connected the vehicle mounted guidance machine of issuing with the bluetooth module of mobile phone, vehicle mounted guidance machine bluetooth module is decoded the dtmf signal receiving by DTMF decode system, decoded content is given to vehicle mounted guidance machine software.
Wherein, car-mounted terminal bluetooth module is embedded with the soft decoding function of DTMF, and by bluetooth module, be connected on the mobile phone of Bluetooth function, backstage, call center is by being used DTMF and bluetooth to send out protocol package self-defining to vehicle mounted guidance machine, vehicle mounted guidance machine is connected with car owner's mobile phone by bluetooth module, the mobile phone with Bluetooth function is connected with call center system through communication network, its system is also held two-way connection through special purpose interface with PC, in the present embodiment, the network of mobile phone 10Yu call center 30 mobile communication is GSM/CDMA/WCDMA/CDMA200/TD-SCDMA.
As shown in Figure 3, mobile phone with bluetooth module is connected with backstage, call center, it is special purpose interface that dtmf code system is held the two-way interface being connected with PC, vehicle mounted guidance machine software is realized some function according to the protocol contents of User Defined or agreement, vehicle mounted guidance also comprises music playing module and video playback module with main frame, or other function and usage, do not repeat them here.
Particularly, car-mounted terminal part is comprised of car-mounted terminal program and the bluetooth communication that contains DTMF decoding, call center's part is by dtmf code device and call center attend a banquet software and custom protocol bag, and interface forms, and car-mounted terminal partly comprises bluetooth communication, without another other modules that increase, makes like this equipment simplify, and provides cost savings, easy to use, bluetooth communication contains the soft decoding function of DTMF, whole car-mounted terminal part is connected with car owner's mobile phone by bluetooth, bluetooth cellular phone is through communication network (GSM/CDMA/WCDMA etc.) and dtmf code system, voice dispensing device connects, its system is also held two-way connection through special purpose interface with PC, during work, car owner dials in to backstage, call center, demand navigation position, the information such as periphery shop, calling out backstage personnel receives after request, custom protocol bag is sent to dtmf code system, dtmf code system converts protocol package to voice signal and returns to car owner's mobile phone, mobile phone is connected with the bluetooth of car-mounted terminal, car-mounted terminal by the signal decoding receiving by being directly presented on display screen for car owner by car-mounted terminal APP, by custom protocol bag, car owner now can be by the information receiving on car-mounted terminal direct control mobile phone, as the solicited message feedback of car owner's transmission.
Wherein, DTMF codec converted keystroke or digital information two-tone signal to and sends in when coding, detected the existence of keystroke or digital information during decoding in the dtmf signal of receiving, dtmf signal consists of the audio signal stack of two frequencies.The frequency of these two audio signals is from two groups of preallocated group of frequencies: line frequency group or row are group frequently.Every numeral of the unique expression of a pair of such audio signal or symbol.In telephone set, conventionally there are 16 buttons, wherein have 10 numerical keys 0～9 and 6 function key *, #, A, B, C, D.Due to according to combinatorial principle, generally should there be 8 kinds of different single audio signals.
As Fig. 1, shown in Fig. 3, the course of work of the present invention is as described below: bluetooth cellular phone connects with machine by bluetooth module and vehicle mounted guidance, by bluetooth module voice call, be connected to the terminal use with Bluetooth function, terminal use arrives backstage, call center by handset dialing, backstage personnel ask according to terminal use, use PC end software program, by interface, the protocol package that meets user's request is mail to DTMF signaling device, this DTMF signaling device changes into voice signal by this protocol package by dtmf code system, then by telephone line passage, send, when mobile phone is received after voice signal, by being connected and issuing vehicle mounted guidance main frame with the bluetooth module of mobile phone, vehicle mounted guidance is decoded the dtmf signal receiving with main frame bluetooth module by DTMF decode system, decoded content is given to vehicle terminal software, vehicle terminal software protocol contents according to a preconcerted arrangement realizes some function.
With reference to Fig. 2, Fig. 2 shows the workflow block diagram of vehicle mounted guidance communication means of the present invention, and user is by Che Jihuo mobile phone dialing call center backstage phone, and manual request is navigated; Call center is according to client requests, and the data message that user is needed sends to dtmf code device by interface; Dtmf code device converts data digital information to audio signal, sends to the user mobile phone of request; Mobile phone is synchronized to car-mounted terminal by bluetooth by information after receiving DTMF voice signal; Car-mounted terminal passes through software decode after receiving dtmf signal, and decoded content is given to other vehicle mounted guidance machine software.
Such as, vehicle mounted guidance machine is connected with bluetooth module, bluetooth module has been embedded with DTMF decoding function, by bluetooth, be connected to the mobile phone of Bluetooth function, backstage, call center is by being used the technology such as DTMF and bluetooth to issue self-defining protocol package to vehicle mounted guidance machine, realize vehicle mounted guidance machine some control functions to mobile phone, as functions such as key navigation, information interaction is directly carried out on backstage, driver Ke Yu call center, as inquire road conditions, food and drink around, the positional informations such as gas station, and reach driver travel in without the facility of troublesome operation mobile phone, greatly improve travel safety, can both hands all on steering wheel, there is system modular, cost is low, rate produce in the cost of the phone call of mobile phone, do not exist by producing the advantages such as expense of flow after rear platform switching.
With reference to Fig. 3, Fig. 3 shows vehicle mounted guidance communication system signal flow graph of the present invention, and its operation principle is that mobile phone 10 is connected by Bluetooth communication and car-mounted terminal 20, and car-mounted terminal 20 comprises car machine bluetooth, the soft decoding of DTMF and other vehicle-mounted software module; By mobile phone 10, by voice channel dial-up connection call center 30, herein, voice channel is audio signal; The background program of call center 30 generates response digital signal protocol package from the request of mobile phone 10 mails to dtmf code device 31; This dtmf code device 31 changes into DTMF voice signal by digital signal protocol package by dtmf code, then by the voice channel of having set up, DTMF voice signal is sent on mobile phone 10; Mobile phone 10, by receiving the signal of dtmf code, sends to car-mounted terminal 20 by Bluetooth communication, and car-mounted terminal 20 comprises car machine bluetooth, and mobile phone 10 sends to car machine bluetooth by the signal of receiving dtmf code by Bluetooth communication; Car-mounted terminal 20 carries out the soft decoding of DTMF by the dtmf code signal receiving by Bluetooth communication, and decoded digital data signal is carried out to respective handling, and sends to other vehicle-mounted software module.
As shown in Figure 4, Fig. 4 shows the structured flowchart of vehicle mounted guidance communication system of the present invention, comprises mobile phone 10, comprises processor 13 and the bluetooth communication 11 being connected with processor 13 respectively and mobile communication module 12; Car-mounted terminal 20, comprises processor 23 and the bluetooth communication 21 being connected with processor 23; Call center 30 comprises the voice communication assembly 32 of attending a banquet the processor 33 of software, the dtmf code device 31 being connected with processor 33 through special purpose interface and be connected with dtmf code device 31 in operation call center, backstage; Also comprise through the two-way computer PC end being connected of special purpose interface and dtmf code device 31; Mobile phone 10 connects by mobile communication module 12Yu call center 30, and bluetooth communication 11 has the mobile phone of bluetooth communication through mobile communication module, and computer PC end and dtmf code device 31 are connected through special purpose interface is two-way.
The prior art of comparing, the innovative point of patent of the present invention is that by bluetooth, connecting car owner's mobile phone makes traditional vehicle-mounted guiding aircraft also can realize and extraneous information interaction without installing communication module additional; By DTMF, call and transfer of data are all carried out in voice channel, without increasing other extra charge.
By above embodiment, can find out that vehicle mounted guidance communication means of the present invention adopts user terminal mobile phone to be connected with the bluetooth of car-mounted terminal, directly realize the object that some function of car owner's mobile phone is directly used on car-mounted terminal; Car-mounted terminal need not add communication module, use the SIM card voice of mobile phone to transmit, and its rate is by producing in former cell phone call charge, do not bear other extra charge; Greatly reduce accident rate, increased simple operation and cost there is no the features such as increase, convenient and safe easy to operate.
Although the present invention is disclosed by above embodiment, protection scope of the present invention is not limited to this, is not departing under the condition of the present invention's design, and the distortion that above each member is done, replacement etc. all will fall within the scope of claim of the present invention.
Claims (10)
1. a vehicle mounted guidance communication means, use mobile phone (10) and the car-mounted terminal (20) of call center (30), Ke Yu call center (30) mobile communication, described mobile phone (10) and described car-mounted terminal (20) Bluetooth communication, it is characterized in that, described vehicle mounted guidance communication means comprises the following steps:
Mobile phone described in S1 (10) connects by Bluetooth communication and described car-mounted terminal (20);
Mobile phone described in S2 (10) or car machine (20) are by voice channel dial-up connection call center (30);
The background program of call center described in S3 (30) mails to dtmf code device (31) by responding the digital signal protocol package generating from the request of described mobile phone (10) or car machine (20);
Described in S4, dtmf code device (31) changes into voice signal by digital signal protocol package by dtmf code, then by the voice channel of having set up, sends on described mobile phone (10);
Mobile phone described in S5 (10) will be received the signal of dtmf code, by Bluetooth communication, sends to car-mounted terminal (20);
Car-mounted terminal described in S6 (20) carries out the soft decoding of DTMF by the dtmf code signal receiving by Bluetooth communication, and decoded data are carried out to respective handling.
2. vehicle mounted guidance communication means as claimed in claim 1, is characterized in that, described car-mounted terminal (20) is vehicle mounted guidance machine.
3. a vehicle mounted guidance communication system, is characterized in that, comprising:
Mobile phone (10), comprises processor (13) and the bluetooth communication (11) being connected with described processor (13) respectively and mobile communication module (12);
Car-mounted terminal (20), comprises processor (23) and is connected bluetooth communication (21) with described processor (23), and described bluetooth communication (21) is embedded with DTMF decoding;
Call center (30) comprises the voice communication assembly (32) of attending a banquet the processor (33) of software, the dtmf code device (31) being connected with processor (33) through special purpose interface and be connected with dtmf code device (31) in operation call center, backstage;
Described mobile phone (10) is connected with described call center (30) by mobile communication module (12), and described bluetooth communication (11) connects through mobile communication module by having the mobile phone of bluetooth communication.
4. vehicle mounted guidance communication system as claimed in claim 3, it is characterized in that, the bluetooth communication of described car-mounted terminal is embedded with the soft decoding function of DTMF, and by described bluetooth communication, be connected on the mobile phone of Bluetooth function, dtmf code device is used on backstage, call center, by speech line by self-defining protocol package by DTMF voice transfer to described car-mounted terminal, car-mounted terminal is given other car machine software applications after using the bluetooth with DTMF decoding function to decode.
5. vehicle mounted guidance communication system as claimed in claim 3, is characterized in that, described car-mounted terminal
(20) by described bluetooth communication, be connected with car owner's mobile phone (10), the mobile phone (10) with Bluetooth function is connected with described call center (30) through communication network.
6. vehicle mounted guidance communication system as claimed in claim 3, is characterized in that, the described mobile phone with bluetooth communication (10) is connected with backstage, described call center (30).
7. vehicle mounted guidance communication system as claimed in claim 3, is characterized in that, also comprises vehicle terminal software, and this vehicle terminal software realizes some function according to the protocol contents of User Defined or agreement.
8. vehicle mounted guidance communication system as claimed in claim 3, is characterized in that, described communication network is GSM/CDMA/WCDMA/CDMA200/TD-SCDMA.
9. the vehicle mounted guidance communication system as described in any one in claim 3 to 8, is characterized in that, described car-mounted terminal (20) is vehicle mounted guidance machine.
10. vehicle mounted guidance communication system as claimed in claim 9, is characterized in that, described car-mounted terminal (20) does not comprise communication module.
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| CN201210379392.8A CN103716473A (en) | 2012-09-29 | 2012-09-29 | Vehicle-mounted navigation communication system and method |
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| CN106936894A (en) * | 2017-01-23 | 2017-07-07 | 斑马信息科技有限公司 | The alternate communication system and its method of internet automobile |
| CN109257058A (en) * | 2018-10-31 | 2019-01-22 | 李洪孟 | A kind of vehicle positioning calling device |
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Application publication date: 20140409 |