CN204854760U - Utilize chinese digital audio broadcasting's navigation terminal - Google Patents
Utilize chinese digital audio broadcasting's navigation terminal Download PDFInfo
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- CN204854760U CN204854760U CN201520609581.9U CN201520609581U CN204854760U CN 204854760 U CN204854760 U CN 204854760U CN 201520609581 U CN201520609581 U CN 201520609581U CN 204854760 U CN204854760 U CN 204854760U
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Abstract
The utility model relates to a navigation terminal with chinese digital audio broadcasting CDR, include with CDR demodulation module, location receiving module that CDR decoded and processing module links to each other and the CDR demodulation module who links to each other with CDR radio frequency module, the CDR radiofrequency signal who contains cartographic information and/or highway condition information transmits CDR demodulation module through CDR radio frequency module, obtains the transport stream data after the demodulation and decodes its transmission and processing module for CDR, the location receiving module acquire the locating information and transmit it to that CDR decodes and processing module from the satellite, CDR decode and processing module to the transmission fluxion according to decode, obtain cartographic information and/or highway condition information and combine locating information processings of navigating, the output result of navigating. The utility model discloses utilize digital broadcast CDR's information transfer mode, improved navigation terminal obtain information's mode, reduced navigation terminal's cost and system's complexity.
Description
Technical field
The utility model relates to information processing, particularly relates to the navigation terminal that one utilizes Chinese Digital audio frequency (ChinaDigitalRadio, CDR).
Background technology
At present, for car-mounted terminal, process cartographic information only needs to rely on vehicle-mounted digital map and GPS location just can navigate.But the problem of this processing mode is the instruction not having real-time road condition information.In today that urban transportation is blocked up day by day, be extremely not easy to human pilot and select Rational Path according to real-time road condition information, avoid blocking section, improve traffic benefits.
Use with the terminal of mobile communication function, such as mobile phone, can obtain traffic information, but it is mutual to need to carry out with mobile network.Specifically, need each terminal to set up direct correspondence with mobile network and traffic information server, processing cost is high, system complex.
In addition, for smart mobile phone, powered battery is also a very large problem.Keep the communication with base station for a long time, not only energy consumption issues is given prominence to, and environmental protection not, is harmful to the healthy of user.
Sound signal, vision signal that digital broadcasting (Digitalbroadcasting) has referred to digitizing, and various data-signal, carry out the process such as various coding, modulation, transmission under digital state.Meanwhile, digital broadcasting is also a broadcast technology being different from AM, FM known by tradition, and it is by ground transmission station, to launch digital signal to reach broadcast and data information transmission object.Chinese Digital audio broadcasting (ChinaDigitalRadio, CDR), as an important component part of China's broadcasting digitalization process, is the developing direction of digitization of broadcasting.Obviously, when each terminal needs to obtain same information, the mode of digital radio is used to be the most efficient obviously.
Utility model content
The purpose of this utility model is to provide a kind of navigation terminal utilizing Chinese Digital audio frequency (ChinaDigitalRadio, CDR) that can overcome above-mentioned defect.
The utility model provides a kind of navigation terminal utilizing Chinese Digital audio broadcasting CDR, comprise CDR radio-frequency module, CDR demodulation module, locating information receiver module, CDR decoding and processing module, described CDR decoding and processing module are electrically connected with described CDR demodulation module and described locating information receiver module respectively, described CDR demodulation module is electrically connected with described CDR radio-frequency module, wherein: described CDR radio-frequency module receives the radiofrequency signal of CDR broadcast and is delivered to described CDR demodulation module, includes cartographic information and/or traffic information in described radiofrequency signal; Described CDR demodulation module carries out channel demodulation to described radiofrequency signal, obtains transmit flow data and passed to described CDR to decode and processing module; Described locating information receiver module obtains locating information from satellite and is delivered to described CDR and decodes and processing module; Described CDR decoding and processing module are decoded to described transmit flow data, obtain described cartographic information and/or traffic information and carry out navigation process in conjunction with described locating information, output navigation results.
Preferably, described navigation terminal also comprises memory module, it is decoded with described CDR and processing module is electrically connected, for storage processing program and numerical map, described numerical map is passed to described CDR to decode and processing module processes for described navigation, and to decode from described CDR and processing module receives described cartographic information to carry out the renewal of described numerical map.
Preferably, described navigation terminal also comprises touch-screen input/output module, to decode and processing module processes for described navigation, and receive described navigation results for for user touch information being inputted described CDR.
Preferably, described navigation terminal also comprises phonetic entry output module, to decode and processing module processes for described navigation, and receive described navigation results for for user voice messaging being inputted described CDR.
Preferably, described CDR decoding and processing module also for:
Carry out described navigation process according to described locating information, described numerical map, described touch information and/or voice messaging, export described navigation results.
Preferably, described navigation terminal also comprises communication module, it is decoded with described CDR and processing module is electrically connected, and can carry out communicating for program updates, Data Update or voice communication with smart mobile phone, described communication mode can be one or more in bluetooth, near-field communication, WiFi or mobile communication.
Preferably, described navigation terminal also comprises general-purpose serial bus USB communication power supply double-purpose module, and it is decoded with described CDR and processing module is electrically connected, and is that described navigation terminal charges or carries out Data Update for being directly connected to external unit by USB interface.
The utility model utilizes the mode of the transmission of information that digital broadcasting CDR is new just, improves the vehicle-mounted mode waiting navigation terminal to obtain traffic information, cartographic information, reduces cost and the system complexity of navigation terminal.
Accompanying drawing explanation
Fig. 1 is the navigation terminal utilizing Chinese Digital audio frequency (ChinaDigitalRadio, CDR) according to the utility model embodiment.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is the navigation terminal utilizing Chinese Digital audio frequency (ChinaDigitalRadio, CDR) according to the utility model embodiment.
As shown in Figure 1, navigation terminal according to the embodiment of the present invention comprises: CDR radio-frequency module, CDR channel demodulation module, locating information receiver module, CDR decoding and processing module, touch-screen input/output module, memory module, communication module, phonetic entry/output module, usb communication power supply double-purpose module.CDR decoding and processing module are electrically connected with CDR demodulation module, locating information receiver module, memory module, communication module, usb communication power supply double-purpose module, touch-screen input/output module, phonetic entry output module respectively, and CDR demodulation module is also electrically connected with CDR radio-frequency module.
Below, the workflow of the navigation terminal according to the embodiment of the present invention is described in detail.
CDR radio-frequency module receives the radiofrequency signal that Chinese Digital audio broadcasting (CDR) sends, and includes up-to-date cartographic information and/or real-time traffic information in this radiofrequency signal.The CDR radiofrequency signal that the process of CDR radio-frequency module receives, is delivered to CDR demodulation module to it after processing, wherein, and the technical requirements such as CDR radio-frequency module meets signal to noise ratio (S/N ratio), signal voltage amplification.
CDR demodulation module, carries out channel demodulation to the radiofrequency signal that the transmission of CDR radio-frequency module comes, and obtains transport stream (TransportStream, the TS) data after demodulation, then these TS data is passed to CDR decoding and processing module.Locating information receiver module, it obtains the locating information of terminal from satellite.Such as, locating information receiver module can be GPS or Big Dipper receiver module, for receiving world locational system
The locating information of (GlobalPositionSystem, GPS) or BEI-DOU position system, this locating information is generally the specific geographic information of navigation terminal or its carrier.This locating information is passed to CDR decoding and processing module by locating information receiver module, and the map that this information can be used in terminal is subsequently with to the display providing specific, concrete.
CDR decoding and processing module, by obtaining cartographic information and traffic information to transport stream TS data decode, obtain the locating information of terminal from locating information receiver module.Memory module is used for storage system handling procedure, and numerical map etc.The digital map information that self stores is passed to CDR decoding and processing module by memory module, and CDR decoding and processing module compare process to the cartographic information of memory module and locating information, then provide the prompting of vision or the sense of hearing.In addition, memory module can receive the numerical map wherein stored with renewal from CDR decoding and the decoded up-to-date map information of processing module.
Touch-screen input/output module, the operating interactive, the information displaying that realize terminal and user are mutual, user passes through information input from touch screen, information is delivered to CDR decoding and processing module, CDR decoding and processing module carry out the computing about navigation in conjunction with other information, and result feeds back on touch-screen the most at last.Such as, user inputs destination by touch-screen and is delivered to described CDR and decodes and processing module, CDR decoding and processing module are according to its decode traffic information, the described destination information that obtain, the cartographic information that memory module transmission comes and the locating information received from locating information receiver module, the optimal route recommended is obtained by computing, then this optimal route is returned touch-screen input/output module with word, the transmission of image or video etc. form, be finally shown to user.Phonetic entry output module, supports that user is by voice operating terminal, realizes user speech operation and response.Such as, user also can be inputted in the mode of voice by phonetic entry output module, and above-mentioned CDR decoding and the result of processing module can be listened to for user by phonetic entry output module with audible simultaneously or independently.
Be to be understood that, above-mentioned user's input with touch information and voice messaging form can occur simultaneously, namely CDR decoding and processing module can in conjunction with or process respectively above-mentioned two kinds of forms user input, the result that certain CDR decodes and processing module is last, and navigation information, also can present to user in combination or dividually by touch-screen input/output module and/or phonetic entry output module at the same time or separately.
Communication module, communication between support terminal and smart mobile phone, it can be specifically bluetooth, near-field communication (NearFieldCommunication, NFC), WiFi (WirelessFidelity), and directly support mobile communication technology, the such as third generation/forth generation mobile communication technology (3G/4G).Like this, this navigation terminal just can communicate with smart mobile phone and carry out program or Data Update, even directly can carry out voice communication.
Usb communication power supply double-purpose module, supports to be charged by USB interface, and is connected to other external units to carry out program upgrade and map data update by USB interface.
Professional should recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present utility model.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-described embodiment, further describes the purpose of this utility model, technical scheme and beneficial effect.Institute it should be understood that and the foregoing is only embodiment of the present utility model, and is not used in restriction protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. one kind utilizes the navigation terminal of Chinese Digital audio broadcasting CDR, comprise CDR radio-frequency module, CDR demodulation module, locating information receiver module, CDR decoding and processing module, described CDR decoding and processing module are electrically connected with described CDR demodulation module and described locating information receiver module respectively, described CDR demodulation module is electrically connected with described CDR radio-frequency module, wherein:
Described CDR radio-frequency module receives the radiofrequency signal of CDR broadcast and is delivered to described CDR demodulation module, includes cartographic information and/or traffic information in described radiofrequency signal;
Described CDR demodulation module carries out channel demodulation to described radiofrequency signal, obtains transmit flow data and passed to described CDR to decode and processing module;
Described locating information receiver module obtains locating information from satellite and is delivered to described CDR and decodes and processing module;
Described CDR decoding and processing module are decoded to described transmit flow data, obtain described cartographic information and/or traffic information and carry out navigation process in conjunction with described locating information, output navigation results.
2. a navigation terminal according to claim 1, also comprises:
Memory module, it is decoded with described CDR and processing module is electrically connected, for storage processing program and numerical map, described numerical map is passed to described CDR to decode and processing module processes for described navigation, and to decode from described CDR and processing module receives described cartographic information to carry out the renewal of described numerical map.
3. a navigation terminal according to claim 1, also comprises:
Touch-screen input/output module, to decode and processing module processes for described navigation for for user touch information being inputted described CDR, and receives described navigation results.
4. a navigation terminal according to claim 1, also comprises:
Phonetic entry output module, to decode and processing module processes for described navigation for for user voice messaging being inputted described CDR, and receives described navigation results.
5. according to the navigation terminal one of claim 1-4 Suo Shu, wherein, described CDR decoding and processing module also for:
Carry out described navigation process according to described locating information, described numerical map, described touch information and/or voice messaging, export described navigation results.
6. navigation terminal according to claim 1, also comprises:
Communication module, it is decoded with described CDR and processing module is electrically connected, and can carry out communicating for program updates, Data Update or voice communication with smart mobile phone, described communication mode can be one or more in bluetooth, near-field communication, WiFi or mobile communication.
7. navigation terminal according to claim 1, also comprises:
General-purpose serial bus USB communication power supply double-purpose module, it is decoded with described CDR and processing module is electrically connected, and is that described navigation terminal charges or carries out Data Update for being directly connected to external unit by USB interface.
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| CN201520609581.9U CN204854760U (en) | 2015-08-13 | 2015-08-13 | Utilize chinese digital audio broadcasting's navigation terminal |
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| CN201520609581.9U CN204854760U (en) | 2015-08-13 | 2015-08-13 | Utilize chinese digital audio broadcasting's navigation terminal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679066A (en) * | 2016-04-18 | 2016-06-15 | 北京海尔集成电路设计有限公司 | Device and system for transmitting road condition information through CDR |
| CN106908817A (en) * | 2017-02-15 | 2017-06-30 | 深圳思凯微电子有限公司 | Assisting navigation localization method and system |
| CN107024700A (en) * | 2017-03-29 | 2017-08-08 | 国家新闻出版广电总局广播科学研究院 | A kind of satellite navigation information Transmission system, emitter and reception device |
| CN107454439A (en) * | 2017-09-04 | 2017-12-08 | 成都德芯数字科技股份有限公司 | Information carrying means, method, information processing system and method |
| CN107547156A (en) * | 2017-09-04 | 2018-01-05 | 成都德芯数字科技股份有限公司 | Information transfer adaptation method, device and CDR broadcast transmission systems |
| CN107580189A (en) * | 2017-09-04 | 2018-01-12 | 成都德芯数字科技股份有限公司 | Information carrying means, system and information transferring method |
-
2015
- 2015-08-13 CN CN201520609581.9U patent/CN204854760U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679066A (en) * | 2016-04-18 | 2016-06-15 | 北京海尔集成电路设计有限公司 | Device and system for transmitting road condition information through CDR |
| CN106908817A (en) * | 2017-02-15 | 2017-06-30 | 深圳思凯微电子有限公司 | Assisting navigation localization method and system |
| CN106908817B (en) * | 2017-02-15 | 2019-06-25 | 深圳思凯微电子有限公司 | Assisting navigation localization method and system |
| CN107024700A (en) * | 2017-03-29 | 2017-08-08 | 国家新闻出版广电总局广播科学研究院 | A kind of satellite navigation information Transmission system, emitter and reception device |
| CN107454439A (en) * | 2017-09-04 | 2017-12-08 | 成都德芯数字科技股份有限公司 | Information carrying means, method, information processing system and method |
| CN107547156A (en) * | 2017-09-04 | 2018-01-05 | 成都德芯数字科技股份有限公司 | Information transfer adaptation method, device and CDR broadcast transmission systems |
| CN107580189A (en) * | 2017-09-04 | 2018-01-12 | 成都德芯数字科技股份有限公司 | Information carrying means, system and information transferring method |
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