CN101271630A - Vehicle mounted traffic information terminal based on digital multimedia broadcast - Google Patents
Vehicle mounted traffic information terminal based on digital multimedia broadcast Download PDFInfo
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Abstract
The invention relates to a digital broadcasting-based embedded type traffic information receiving terminal, which can receive continuously the traffic information from a traffic information center, store the information into a database, show a relevant real-time traffic information by using a map, a text, an image and a speech synthesis and so on according to a current traffic route of a user, and is provided with warning function. A traffic navigation is based on a GPS and the real-time traffic information synchronously; the GPS information provides a current position before setting out; the user provides the terminal information; and the system provides a plurality of routes and the relevant information such as a distance, a traffic condition and so on according to the road distribution and the current traffic condition; after the user chooses the route, the system filters the received traffic information, shows the information related to the current route, warns the traffic jam ahead and provides the referential alternative route at a pinch. The user can inquire about the real-time traffic information by the text or clicking the map. The terminal is provided with the functions of automatic data updating and automatic software updating. The digital broadcasting-based embedded type traffic information receiving terminal of the invention plays an effective role in the vehicle navigation and the leading of the traffic jams.
Description
Technical field
The present invention relates to a kind of traffic information terminal and comprise digital broadcasting, embedded system, GPS navigation, Geographic Information System (GIS) etc.
Background technology
Traffic jam is a common problem that runs in the management of modernized big city, and traffic jam can be brought the enormous economic loss and the wasting of resources.At present, the city is more and more outstanding because of the traffic jam issue that road maintenance and traffic hazard cause, its question essence be the relevant information issue untimely due to.
Present traffic information broadcasting system is mainly broadcasted by the mode in simulation Traffic Announcement radio station, information source generally is that traffic police department provides, road surface driver report, the staff of information center site observation etc., the content information amount of broadcasting is few, real-time is poor, does not have direct relation with user's travel conditions.The receiving terminal of the transport information of this mode is exactly common simulation radio.
And present communication navigation product, the foundation of navigation generally is the distance of traffic route, not in conjunction with present traffic, can not provide traffic congestion information, also traffic jam is not played the effect of dredging.
The present invention proposes the mode by multimedia digital broadcast, sets up real-time information issue mechanism,, and broadcasts in real time by accident information, congestion information and monitoring image information are processed at the urban transportation information service center.In this manner, the information that system docking of the present invention is received is stored, and shows targetedly and the relevant information of travelling, and provides the road conditions induction information for the driver targetedly, the situation of precognition road ahead is avoided rather than is joined in the traffic jam and goes.The user receives the urban transportation information service center, under the guide of this personalized induction information by system of the present invention, at any time know the unimpeded situation of front link, in time select smooth suitable road driving, arrive the destination smoothly, alleviated urban transportation effectively.
Summary of the invention
Whether the present invention adopts the mode of digital broadcasting, receives and store the transport information of urban transportation information service center broadcasting in real time, and show in terminal according to relevant with course, and display mode comprises that map sign, text, sound are synthetic etc.User system before setting out can carry out route selection and coupling according to road distribution and traffic according to the geographic position of starting point and terminal point.In addition, the user can carry out the real-time inquiry of traffic by this paper, graphics mode.
The present invention can also broadcast other city public information except can broadcast traffic information, as the distribution of the distribution of the distribution in weather forecast, hotel, hotel, megastore, tourist attractions, trade promotion information etc.In addition, broadcast message also comprises system information, as system update order and program, user's behaviour in service information etc.
System hardware structure is seen Fig. 1.Form by central control module, memory module, power module, digital broadcasting receiver module, touch-screen display module, GPS receiver module and interface module.Central control module is responsible for control, the scheduling of system.Memory module is responsible for storing system information.Touch-screen display module is made up of LCD and touch-screen, is responsible for the input and output between system and the user.The digital broadcasting receiver module is responsible for receiving digital broadcast information, comprises various pieces such as receiving antenna, detuner, demoder, demultiplexing.The GPS receiver module is responsible for receiving satellite positioning signals, and interface module is and the interface of various external units, comprises RS232 serial ports, network interface, USB interface etc., can communicate and message exchange with external network by these interfaces.
System software structure is seen Fig. 2.Mainly form by embedded OS, hardware driving, embedded database, database maintenance module, GPS module, GIS module, phonetic synthesis module, communication protocol module, transport information processing module, traffic information display module, route decision-making module, the automatic update module of system, data decode module, data demultiplexing module, human-computer interaction interface etc.
Embedded OS is responsible for the management and the coordination of each software ingredient, and provides the software interface that uses hardware device to high-rise module.Hardware drive module is responsible for driving various external hardware devices, as touch-screen, GPS receiver module etc.Embedded database is responsible for storing, the information of administering digital broadcasting, comprises transport information and other city public informations, and supports the inquiry based on sql like language.The database maintenance module is safeguarded database according to predefined program automatically, comprise file, backup, deletion fail message etc., the GPS module is responsible for carrying out computing, processing and correction according to the satellite positioning signal that receives, and submits accurate in locating information to.The GIS module comprises parts such as geographic information database, electronic chart management, is responsible for relevant transport information and other urban transportation information are shown on electronic chart.The data decode module is responsible for the digital broadcasting information that receives is decoded, and comprises decompress(ion), error-correcting decoding, deciphering etc.The data demultiplexing module is responsible for multiplexing data decomposition is become various types of information.The transport information processing module is responsible for transport information is handled, comprise classification, storage etc., the Real-time Traffic Information of traffic information display module to receiving, filter in conjunction with present traffic route and geographical location information, and by text mode, figure sheet mode and the electronic chart mode by the GIS module in screen displaying.The phonetic synthesis module is responsible for according to the synthetic corresponding voice of Word message and is play.The route decision-making module is responsible for offering the user according to some routes of selection such as starting point and terminal point, road distribution situation, current traffics and is selected, and corresponding reference information is provided.Human-computer interaction interface is the graphical interfaces that the user operates, and comprises graphic user interface, input in Chinese submodule etc.The automatic update module of system is responsible for order and the program according to broadcasting, and system software is upgraded.
The principle of work of system is as follows, and the urban transportation information service center is by processing accident information, congestion information and monitoring image information, and broadcasts in real time by the multimedia digital broadcast mode.Information type comprises format text and picture.Native system receives the information that the urban transportation information service center is broadcasted by the digital broadcasting receiver module, classifies by the transport information processing module simultaneously, and is stored in the embedded database.Database is supported SQL query, and the user can carry out the inquiry of transport information by text, electronic chart mode.The database maintenance module is deleted old information automatically according to certain capacity limit.
In the present invention, system is continual to the reception and the storage of information in time, with whether to be in the communication navigation state irrelevant, but the traffic information display module is to the demonstration of information with in conjunction with present traffic route and geographic position, the communication navigation state is relevant with being in, and is personalized therefore.
The user enters the communication navigation state if desired, can enter the communication navigation interface, after entering the interface, provide present residing place by the GPS module, the user is by the touch-screen location that selects your destination, the route decision-making module is according to road distribution situation and some optimum traffic routes of traffic decision, and provide the reference information that the user carries out route selection, distance, traffic rules, traffic related information as route, wherein, above-mentioned reference information can comprehensively determine the traffic grade, and its weight can be provided with.The user can carry out the selection of traffic route according to the information that provides.At this moment, because the user has selected traffic route, the traffic information display module is to the demonstration of the transport information that receives and remind and filter in conjunction with current route, the mode of the information relevant with current route by electronic chart, text, sound is presented at terminal, wherein the demonstration of electronic chart realizes by the GIS module, the user broadcasts if desired, and the phonetic synthesis module adopts the mode of phonetic synthesis to carry out playback according to content of text.Native system can also monitor standby traffic route except the traffic route that present user is selected is monitored.
When running into the place ahead generation traffic jam, native system also provides the suggestion that changes traffic route according to road distribution and traffic except that reporting to the police, and the user can reselect new traffic route.
System is except carrying out the reception of broadcast traffic information, can also be to all the other city public informations of digital broadcasting, as weather forecast, daily paper, hotel's distribution, market distribution, commercial matters information etc., the demonstration of information and inquiry can realize in conjunction with the GIS module and the embedded database of software.
System also passes through the order and the program of broadcasting set form except broadcast traffic information, other city public information, when terminal receives these orders, and the corresponding software module of program updates that the automatic update module of system receives according to startup.
Description of drawings
Fig. 1 is the hardware configuration of system.
Fig. 2 is the software configuration of system.
Embodiment
System hardware can be taked the embedded system based on ARM, wherein, central processing unit can be taked the ARM9 microprocessor, touch screen display system can adopt the liquid crystal device of 7 inches band touch-screens, the digital received module can adopt the module or the chip of moulding, also can design information source encoding and decoding, channel coding/decoding, multiplexing and demultiplexing, modulation and demodulation voluntarily, scheme such as transmit and receive, develop based on microprocessor, Fpag, DSP etc.All the other storeies, GPS receiver module, power supply etc. all have ripe chip or module.Owing to the invention belongs to onboard system, the selection of chip and technology all need to reach the relevant criterion of automotive electronics.
The operating system of system can adopt built-in Linux, and database can adopt the embedded database of increasing income based on Linux, and as SQLite etc., the part Hardware drive module can be carried or hardware supplier provides by Linux.The GIS module can adopt ready-made Embedded GIS product.Remaining each software module need be programmed, and can adopt the C++ of Linux environment to programme.
Claims (9)
1. vehicle mounted traffic information terminal based on DMB, it is characterized in that: mainly be made up of system hardware and system software two large divisions, system hardware mainly comprises central control module, memory module, power module, digital broadcasting receiver module, touch-screen display module, GPS receiver module and interface module; System software comprises embedded OS, hardware driving, embedded database, database maintenance module, GPS module, GIS module, phonetic synthesis module, communication protocol stack, route decision-making module, transport information processing module, traffic information display module, the automatic update module of system, data decode module, data demultiplexing module, human-computer interaction interface.
2. the vehicle mounted traffic information terminal based on DMB as claimed in claim 1, it is characterized in that by multimedia digital broadcast mode receiving traffic information, the information of broadcasting comprises text and picture, and the reception of transport information continues, and it is irrelevant to be in the communication navigation situation in whether.
3. the vehicle mounted traffic information terminal based on DMB as claimed in claim 1, it is characterized in that utilizing embedded database, all transport information that receive are stored, because the transport information of issue is comprehensive, therefore the transport information of storage also is comprehensive, on this basis, can carry out inquiry based on the transport information of database.
4. the vehicle mounted traffic information terminal based on DMB as claimed in claim 1, it is characterized in that can be according to user's selection, road distribution situation and two aspects of traffic are analyzed, select excellent many traffic routes that go out, and provide reference informations such as corresponding route guidance information and real-time traffic condition information simultaneously, the user can be provided with the factor and the weight thereof of decision traffic grade voluntarily, and can carry out traffic route and select or run into to report to the police in advancing to reselect traffic route before setting out.
5. the vehicle mounted traffic information terminal based on DMB as claimed in claim 1, it is characterized in that navigating and the demonstration of transport information is personalized, selection according to the user is carried out analysis and filter to the transport information that receives, the information relevant with current traffic route is passed through map, text, the mode of sound is presented at terminal.
6. the vehicle mounted traffic information terminal based on DMB as claimed in claim 1 is characterized in that and can communicate and message exchange by hardware interface and external network.
7. as the described vehicle mounted traffic information terminal of one of claim 1-6, when it is characterized in that current traffic route monitored, also standby traffic route is monitored based on DMB.
8. as the described vehicle mounted traffic information terminal of one of claim 1-6 based on DMB, it is characterized in that except that receiving broadcast traffic information, can also be to all the other city public informations of digital broadcasting, as weather forecast, daily paper, hotel's distribution, market distribution and commercial matters information etc., the demonstration of information and inquiry can realize in conjunction with the GIS module and the embedded database of software.
9. as the described vehicle mounted traffic information terminal of one of claim 1-6 based on DMB, the renewal that it is characterized in that the software systems setting can be finished by the order and the program that receive the broadcasting set form, when to these orders, the program updating system that the automatic renewal process of system receives according to startup.
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| CNA2007100871727A CN101271630A (en) | 2007-03-23 | 2007-03-23 | Vehicle mounted traffic information terminal based on digital multimedia broadcast |
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| CNA2007100871727A CN101271630A (en) | 2007-03-23 | 2007-03-23 | Vehicle mounted traffic information terminal based on digital multimedia broadcast |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826262A (en) * | 2009-03-05 | 2010-09-08 | 株式会社电装 | Guider |
| CN101834681A (en) * | 2010-03-16 | 2010-09-15 | 北京交通大学 | Real-time traffic information distribution system based on frequency modulation broadcast |
| CN102104834A (en) * | 2009-12-16 | 2011-06-22 | 中国移动通信集团公司 | Method, system and equipment for implementing road condition business of mobile terminal |
| WO2011079708A1 (en) * | 2009-12-29 | 2011-07-07 | 北京世纪高通科技有限公司 | Method and device for displaying real-time road condition information |
| CN102496295A (en) * | 2011-12-09 | 2012-06-13 | 北京世纪高通科技有限公司 | Informing method and device for traffic road conditions |
| CN102542828A (en) * | 2011-11-18 | 2012-07-04 | 厦门市鼎朔信息技术有限公司 | System and method for solving traffic jam |
| CN102594465A (en) * | 2011-01-12 | 2012-07-18 | 北京同方吉兆科技有限公司 | Vehicle-mounted mobile multimedia broadcasting field intensity covering road tester |
| CN101577754B (en) * | 2009-06-02 | 2012-07-25 | 宇龙计算机通信科技(深圳)有限公司 | Method for updating weather forecast city list and hand-held mobile terminal |
| CN102663895A (en) * | 2012-05-28 | 2012-09-12 | 上海海事大学 | Container truck jamming prompting system and realizing method thereof for container terminals |
| CN102663894A (en) * | 2012-05-20 | 2012-09-12 | 杭州妙影微电子有限公司 | Road traffic condition foreknowing system and method based on internet of things |
| CN102682617A (en) * | 2012-05-14 | 2012-09-19 | 东南大学 | System for interacting road traffic identification, information and vehicle |
| CN102737518A (en) * | 2012-06-14 | 2012-10-17 | 北京易掌时代科技有限公司 | Real-time interactive system and method for multi-media road condition information |
| CN103000039A (en) * | 2012-11-26 | 2013-03-27 | 杨伟 | Road condition crowding suggesting device |
| CN103000040A (en) * | 2012-11-26 | 2013-03-27 | 杨伟 | Road condition crowding suggesting method |
| CN103179083A (en) * | 2011-12-20 | 2013-06-26 | 触动多媒体技术（上海）有限公司 | Real-time climate information aggregation and broadcasting system |
| CN103398715A (en) * | 2013-07-31 | 2013-11-20 | 深圳市浩科电子有限公司 | Method and system for planning driving route |
| CN103884329A (en) * | 2012-12-21 | 2014-06-25 | 北京煜邦电力技术有限公司 | GIS-based helicopter line patrol voice early warning method and device |
| CN104504921A (en) * | 2014-12-29 | 2015-04-08 | 贵州博大智能终端科技有限公司 | Intelligent vehicle-mounted terminal control system |
| CN104697544A (en) * | 2015-04-02 | 2015-06-10 | 芜湖航飞科技股份有限公司 | Navigation system based on machine vision and GPS |
| CN104766489A (en) * | 2015-03-18 | 2015-07-08 | 法雷奥汽车内部控制（深圳）有限公司 | Road condition information arrangement system |
| CN106530718A (en) * | 2016-12-27 | 2017-03-22 | 西安大唐电信有限公司 | Intelligent driving system based on vehicle terminal |
| CN104471351B (en) * | 2012-06-21 | 2017-08-25 | 丰田自动车株式会社 | Path searching device and path searching method |
| CN107342828A (en) * | 2016-12-14 | 2017-11-10 | 上海申际轨道交通设备发展有限公司 | A kind of digital broadcasting control system applied to train |
| CN108281025A (en) * | 2011-09-05 | 2018-07-13 | 罗伯特·博世有限公司 | Method for running vehicle |
| CN114440894A (en) * | 2022-02-28 | 2022-05-06 | 河南嘉晨智能控制股份有限公司 | Offline distributed autonomous path planning method and system |
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Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101826262A (en) * | 2009-03-05 | 2010-09-08 | 株式会社电装 | Guider |
| CN101577754B (en) * | 2009-06-02 | 2012-07-25 | 宇龙计算机通信科技(深圳)有限公司 | Method for updating weather forecast city list and hand-held mobile terminal |
| CN102104834A (en) * | 2009-12-16 | 2011-06-22 | 中国移动通信集团公司 | Method, system and equipment for implementing road condition business of mobile terminal |
| WO2011079708A1 (en) * | 2009-12-29 | 2011-07-07 | 北京世纪高通科技有限公司 | Method and device for displaying real-time road condition information |
| CN101834681B (en) * | 2010-03-16 | 2012-05-30 | 北京交通大学 | Real-time traffic information distribution system based on frequency modulation broadcast |
| CN101834681A (en) * | 2010-03-16 | 2010-09-15 | 北京交通大学 | Real-time traffic information distribution system based on frequency modulation broadcast |
| CN102594465A (en) * | 2011-01-12 | 2012-07-18 | 北京同方吉兆科技有限公司 | Vehicle-mounted mobile multimedia broadcasting field intensity covering road tester |
| CN108281025A (en) * | 2011-09-05 | 2018-07-13 | 罗伯特·博世有限公司 | Method for running vehicle |
| CN102542828B (en) * | 2011-11-18 | 2014-03-19 | 陈飞 | System and method for solving traffic jam |
| CN102542828A (en) * | 2011-11-18 | 2012-07-04 | 厦门市鼎朔信息技术有限公司 | System and method for solving traffic jam |
| CN102496295A (en) * | 2011-12-09 | 2012-06-13 | 北京世纪高通科技有限公司 | Informing method and device for traffic road conditions |
| CN102496295B (en) * | 2011-12-09 | 2014-02-26 | 北京世纪高通科技有限公司 | Informing method and device for traffic road conditions |
| CN103179083A (en) * | 2011-12-20 | 2013-06-26 | 触动多媒体技术（上海）有限公司 | Real-time climate information aggregation and broadcasting system |
| CN102682617A (en) * | 2012-05-14 | 2012-09-19 | 东南大学 | System for interacting road traffic identification, information and vehicle |
| CN102663894A (en) * | 2012-05-20 | 2012-09-12 | 杭州妙影微电子有限公司 | Road traffic condition foreknowing system and method based on internet of things |
| CN102663894B (en) * | 2012-05-20 | 2014-01-01 | 杭州妙影微电子有限公司 | Road traffic condition foreknowing system and method based on internet of things |
| CN102663895A (en) * | 2012-05-28 | 2012-09-12 | 上海海事大学 | Container truck jamming prompting system and realizing method thereof for container terminals |
| CN102737518A (en) * | 2012-06-14 | 2012-10-17 | 北京易掌时代科技有限公司 | Real-time interactive system and method for multi-media road condition information |
| CN104471351B (en) * | 2012-06-21 | 2017-08-25 | 丰田自动车株式会社 | Path searching device and path searching method |
| CN103000040A (en) * | 2012-11-26 | 2013-03-27 | 杨伟 | Road condition crowding suggesting method |
| CN103000039B (en) * | 2012-11-26 | 2014-12-03 | 余姚德诚科技咨询有限公司 | Road condition crowding suggesting device |
| CN103000039A (en) * | 2012-11-26 | 2013-03-27 | 杨伟 | Road condition crowding suggesting device |
| CN103884329A (en) * | 2012-12-21 | 2014-06-25 | 北京煜邦电力技术有限公司 | GIS-based helicopter line patrol voice early warning method and device |
| CN103398715A (en) * | 2013-07-31 | 2013-11-20 | 深圳市浩科电子有限公司 | Method and system for planning driving route |
| CN104504921A (en) * | 2014-12-29 | 2015-04-08 | 贵州博大智能终端科技有限公司 | Intelligent vehicle-mounted terminal control system |
| CN104766489A (en) * | 2015-03-18 | 2015-07-08 | 法雷奥汽车内部控制（深圳）有限公司 | Road condition information arrangement system |
| CN104697544A (en) * | 2015-04-02 | 2015-06-10 | 芜湖航飞科技股份有限公司 | Navigation system based on machine vision and GPS |
| CN107342828A (en) * | 2016-12-14 | 2017-11-10 | 上海申际轨道交通设备发展有限公司 | A kind of digital broadcasting control system applied to train |
| CN107342828B (en) * | 2016-12-14 | 2020-07-07 | 上海申际轨道交通设备发展有限公司 | Digital broadcast control system applied to train |
| CN106530718A (en) * | 2016-12-27 | 2017-03-22 | 西安大唐电信有限公司 | Intelligent driving system based on vehicle terminal |
| CN114440894A (en) * | 2022-02-28 | 2022-05-06 | 河南嘉晨智能控制股份有限公司 | Offline distributed autonomous path planning method and system |
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Open date: 20080924 |